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	<id>https://wiki.tiffa.net/w/index.php?action=history&amp;feed=atom&amp;title=7-Dehydrocholesterol%2Fja</id>
	<title>7-Dehydrocholesterol/ja - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.tiffa.net/w/index.php?action=history&amp;feed=atom&amp;title=7-Dehydrocholesterol%2Fja"/>
	<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;action=history"/>
	<updated>2026-08-20T23:33:08Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137432&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;==生合成{{Anchor|Biosynthesis}}== ラトステロールはラトステロールオキシダーゼ（ラトステロール5-デサチュラーゼ）という酵素によってラトステロールから合成される。 これはコレステロール生合成の最後から最後の段階である。合成不全はスミス・レムリ・オピッツ症候群に似たヒトの遺伝性...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137432&amp;oldid=prev"/>
		<updated>2024-04-11T10:17:33Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;==生合成{{Anchor|Biosynthesis}}== ラトステロールは&lt;a href=&quot;/w/index.php?title=Lathosterol_oxidase/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Lathosterol oxidase/ja (page does not exist)&quot;&gt;ラトステロールオキシダーゼ&lt;/a&gt;（ラトステロール5-デサチュラーゼ）という酵素によって&lt;a href=&quot;/w/index.php?title=Lathosterol/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Lathosterol/ja (page does not exist)&quot;&gt;ラトステロール&lt;/a&gt;から合成される。 これはコレステロール生合成の最後から最後の段階である。合成不全は&lt;a href=&quot;/w/index.php?title=Smith%E2%80%93Lemli%E2%80%93Opitz_syndrome/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Smith–Lemli–Opitz syndrome/ja (page does not exist)&quot;&gt;スミス・レムリ・オピッツ症候群&lt;/a&gt;に似たヒトの遺伝性...&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:17, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l47&quot;&gt;Line 47:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 47:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;7-デヒドロコレステロール&amp;#039;&amp;#039;&amp;#039;（&amp;#039;&amp;#039;&amp;#039;7-DHC&amp;#039;&amp;#039;&amp;#039;）は[[zoosterol/ja|動物ステロール]]の一種で、[[blood plasma/ja|血清]]では[[cholesterol/ja|コレステロール]]前駆体として機能し、[[skin/ja|皮膚]]では[[photochemically/ja|光化学的]]に[[Cholecalciferol/ja||ビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]に変換されるため、[[provitamin/ja|プロビタミン]]-D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;として機能する。ヒトの皮膚にこの化合物が存在することで、ヒトはビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;（[[cholecalciferol/ja|コレカルシフェロール]]）を製造することができる。 [[ultraviolet/ja|紫外線]]を浴びると、ビタミンDは生成される。太陽光に含まれる[[UV-B]]を浴びると、7-DHCは中間[[異性体]]として[[Previtamin D3/ja|プレビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]を経由してビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;に変換される。また、いくつかの哺乳類の[[milk/ja|乳]]にも含まれている。羊毛を持つ哺乳類が自然に分泌する[[lanolin/ja|ラノリン]]という蝋状の物質には7-DHCが含まれており、日光によってビタミンDに変換され、毛づくろいの際に栄養素として摂取される。昆虫では、7-デヒドロコレステロールは成虫になるために必要なホルモン[[ecdysone/ja|エクダイソン]]の前駆体である。ノーベル賞受賞の有機化学者[[:en:Adolf Windaus|アドルフ・ウィンダウス]]によって発見された。&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;7-デヒドロコレステロール&amp;#039;&amp;#039;&amp;#039;（&amp;#039;&amp;#039;&amp;#039;7-DHC&amp;#039;&amp;#039;&amp;#039;）は[[zoosterol/ja|動物ステロール]]の一種で、[[blood plasma/ja|血清]]では[[cholesterol/ja|コレステロール]]前駆体として機能し、[[skin/ja|皮膚]]では[[photochemically/ja|光化学的]]に[[Cholecalciferol/ja||ビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]に変換されるため、[[provitamin/ja|プロビタミン]]-D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;として機能する。ヒトの皮膚にこの化合物が存在することで、ヒトはビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;（[[cholecalciferol/ja|コレカルシフェロール]]）を製造することができる。 [[ultraviolet/ja|紫外線]]を浴びると、ビタミンDは生成される。太陽光に含まれる[[UV-B]]を浴びると、7-DHCは中間[[異性体]]として[[Previtamin D3/ja|プレビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]を経由してビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;に変換される。また、いくつかの哺乳類の[[milk/ja|乳]]にも含まれている。羊毛を持つ哺乳類が自然に分泌する[[lanolin/ja|ラノリン]]という蝋状の物質には7-DHCが含まれており、日光によってビタミンDに変換され、毛づくろいの際に栄養素として摂取される。昆虫では、7-デヒドロコレステロールは成虫になるために必要なホルモン[[ecdysone/ja|エクダイソン]]の前駆体である。ノーベル賞受賞の有機化学者[[:en:Adolf Windaus|アドルフ・ウィンダウス]]によって発見された。&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;生合成{{Anchor|&lt;/ins&gt;Biosynthesis&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;}}&lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Biosynthesis==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ラトステロールは&lt;/ins&gt;[[lathosterol &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oxidase/ja|ラトステロールオキシダーゼ&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;（ラトステロール5-デサチュラーゼ）という酵素によって&lt;/ins&gt;[[lathosterol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|ラトステロール&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;から合成される。 これはコレステロール生合成の最後から最後の段階である。合成不全は&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Smith–Lemli–Opitz syndrome/ja|スミス・レムリ・オピッツ症候群&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;に似たヒトの遺伝性疾患&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lathosterolosis/ja|ラトステロール症&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;をもたらす。この遺伝子が欠失したマウスは、皮膚の紫外線暴露後に血中のビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;を増加させる能力を失う。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;It is synthesized from &lt;/del&gt;[[lathosterol]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;by the enzyme &lt;/del&gt;[[lathosterol &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oxidase&lt;/del&gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(lathosterol 5-desaturase).  This is the next-to-last step of cholesterol biosynthesis. Defective synthesis results in the human inherited disorder &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lathosterolosis&lt;/del&gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;resembling &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Smith–Lemli–Opitz syndrome&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Mice where this gene has been deleted lose the ability to increase vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in the blood following UV exposure of the skin.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==位置{{Anchor|Location}}==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==位置{{Anchor|Location}}==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137430&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;==位置{{Anchor|Location}}== 皮膚は、大部分が結合組織からなる内側の真皮と、外側の薄い表皮の2層からなる。表皮の厚さは0.08&amp;nbsp;mmから0.6&amp;nbsp;mm（0.003インチから0.024インチ）以上である。表皮は5つの&#039;&#039;層&#039;&#039;から構成されており、外側から内側に向かって、角質層、ルシダム層、...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137430&amp;oldid=prev"/>
		<updated>2024-04-11T10:16:23Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;==位置{{Anchor|Location}}== 皮膚は、大部分が&lt;a href=&quot;/w/index.php?title=Connective_tissue/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Connective tissue/ja (page does not exist)&quot;&gt;結合組織&lt;/a&gt;からなる内側の&lt;a href=&quot;/w/index.php?title=Dermis/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Dermis/ja (page does not exist)&quot;&gt;真皮&lt;/a&gt;と、外側の薄い&lt;a href=&quot;/w/index.php?title=Epidermis_(skin)/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Epidermis (skin)/ja (page does not exist)&quot;&gt;表皮&lt;/a&gt;の2層からなる。表皮の厚さは0.08 mmから0.6 mm（0.003インチから0.024インチ）以上である。表皮は5つの&amp;#039;&amp;#039;層&amp;#039;&amp;#039;から構成されており、外側から内側に向かって、&lt;a href=&quot;/w/index.php?title=Stratum_corneum/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Stratum corneum/ja (page does not exist)&quot;&gt;角質層&lt;/a&gt;、&lt;a href=&quot;/w/index.php?title=Stratum_lucidum/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Stratum lucidum/ja (page does not exist)&quot;&gt;ルシダム層&lt;/a&gt;、...&amp;quot;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:16, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l52&quot;&gt;Line 52:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 52:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;位置{{Anchor|&lt;/ins&gt;Location&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;}}&lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Location ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;皮膚は、大部分が&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;connective tissue/ja|結合組織&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;からなる内側の&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dermis/ja|真皮&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;と、外側の薄い&lt;/ins&gt;[[Epidermis (skin)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;表皮&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の2層からなる。表皮の厚さは0&lt;/ins&gt;.08&amp;amp;nbsp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mmから0&lt;/ins&gt;.6&amp;amp;nbsp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mm（0&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;003インチから0&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;024インチ）以上である。表皮は5つの&lt;/ins&gt;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;層&lt;/ins&gt;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;から構成されており、外側から内側に向かって、&lt;/ins&gt;[[stratum corneum&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|角質層&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;、&lt;/ins&gt;[[stratum lucidum&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|ルシダム層&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;、&lt;/ins&gt;[[stratum granulosum&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|顆粒層&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;、&lt;/ins&gt;[[stratum spinosum&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|有棘層&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;、&lt;/ins&gt;[[stratum basale&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|基底層&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;である。7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロールの最高濃度は、皮膚の表皮層、特に基底層と有棘層に見られる。したがって、プレビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の産生はこの2つの層で最大となる。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The skin consists of two primary layers: an inner layer, the &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dermis&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, comprising largely &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;connective tissue&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, and an outer, thinner &lt;/del&gt;[[Epidermis (skin)|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;epidermis&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. The thickness of the epidermis ranges from 0&lt;/del&gt;.08&amp;amp;nbsp;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mm to greater than 0&lt;/del&gt;.6&amp;amp;nbsp;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mm (from 0.003 to 0&lt;/del&gt;.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;024 inches)&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The epidermis comprises five &lt;/del&gt;&#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;strata&lt;/del&gt;&#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;; from outer to inner, they are the &lt;/del&gt;[[stratum corneum]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/del&gt;[[stratum lucidum]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/del&gt;[[stratum granulosum]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/del&gt;[[stratum spinosum]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, and &lt;/del&gt;[[stratum basale]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. The highest concentrations of 7-dehydrocholesterol are found in the epidermal layer of skin—specifically in the stratum basale and stratum spinosum. The production of pre&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is, therefore, greatest in these two layers.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==放射線{{Anchor|Radiation}}==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==放射線{{Anchor|Radiation}}==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137428&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;==放射線{{Anchor|Radiation}}== 皮膚におけるプレビタミンD&lt;sub&gt;3&lt;/sub&gt;の合成にはUVB放射が関与しており、これは皮膚の表皮層のみを効果的に透過する。7-デヒドロコレステロールは295～300nmの波長で最も効果的に紫外線を吸収するため、ビタミンD&lt;sub&gt;3&lt;/sub&gt;の産生は主にこれらの波長で起こる。プレビタミンD&lt;sub&gt;3&lt;/sub&gt;の...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137428&amp;oldid=prev"/>
		<updated>2024-04-11T10:14:34Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;==放射線{{Anchor|Radiation}}== 皮膚におけるプレビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;の合成には&lt;a href=&quot;/w/index.php?title=UVB_radiation/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;UVB radiation/ja (page does not exist)&quot;&gt;UVB放射&lt;/a&gt;が関与しており、これは皮膚の表皮層のみを効果的に透過する。7-デヒドロコレステロールは295～300&lt;a href=&quot;https://en.wikipedia.org/wiki/nanometer&quot; class=&quot;extiw&quot; title=&quot;en:nanometer&quot;&gt;nm&lt;/a&gt;の&lt;a href=&quot;https://en.wikipedia.org/wiki/wavelength&quot; class=&quot;extiw&quot; title=&quot;en:wavelength&quot;&gt;波長&lt;/a&gt;で最も効果的に紫外線を吸収するため、ビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;の産生は主にこれらの波長で起こる。プレビタミンD&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;の...&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:14, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l57&quot;&gt;Line 57:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 57:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;放射線{{Anchor|&lt;/ins&gt;Radiation&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;}}&lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Radiation==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;皮膚におけるプレビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の合成には&lt;/ins&gt;[[UVB radiation&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|UVB放射&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;が関与しており、これは皮膚の表皮層のみを効果的に透過する。7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロールは295～300&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:en:nanometer|nm&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:en:wavelength&lt;/ins&gt;|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;波長&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;で最も効果的に紫外線を吸収するため、ビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の産生は主にこれらの波長で起こる。プレビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の生成を支配する2つの最も重要な要因は、基底層と有棘層の深部にある7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロールに到達するUVB照射の量（強度）と質（適切な波長）である。照射には発光ダイオード（&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:en:LED|&lt;/ins&gt;LED]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;）を用いることができる。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Synthesis of pre-vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in the skin involves &lt;/del&gt;[[UVB radiation]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, which effectively penetrates only the epidermal layers of skin. 7&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Dehydrocholesterol absorbs UV light most effectively at &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wavelength&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;s between 295 and 300 &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nanometer&lt;/del&gt;|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nm&lt;/del&gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and, thus, the production of vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;will occur primarily at those wavelengths. The two most important factors that govern the generation of pre-vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are the quantity (intensity) and quality (appropriate wavelength) of the UVB irradiation reaching the 7&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dehydrocholesterol deep in the stratum basale and stratum spinosum. Light-emitting diodes (&lt;/del&gt;[[LED]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;s) can be used to produce the radiation.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;もう一つの重要な考慮点は、皮膚に存在する7-デヒドロコレステロールの量である。通常であれば、ヒトの皮膚の[[stratum spinosum/ja|有棘層]]と[[stratum basale/ja|基底層]]には、体内のビタミンDの必要量を満たすのに十分な量の7-デヒドロコレステロール（約25&amp;amp;ndash;50 [[:en:microgram|μg]]/cm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt; of skin）が存在する。7-DHCの不足は、ビタミンD欠乏症の別の原因として提唱されている。&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;もう一つの重要な考慮点は、皮膚に存在する7-デヒドロコレステロールの量である。通常であれば、ヒトの皮膚の[[stratum spinosum/ja|有棘層]]と[[stratum basale/ja|基底層]]には、体内のビタミンDの必要量を満たすのに十分な量の7-デヒドロコレステロール（約25&amp;amp;ndash;50 [[:en:microgram|μg]]/cm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt; of skin）が存在する。7-DHCの不足は、ビタミンD欠乏症の別の原因として提唱されている。&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137426&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;もう一つの重要な考慮点は、皮膚に存在する7-デヒドロコレステロールの量である。通常であれば、ヒトの皮膚の有棘層と基底層には、体内のビタミンDの必要量を満たすのに十分な量の7-デヒドロコレステロール（約25&amp;ndash;50 μg/cm&lt;sup&gt;2&lt;/sup&gt; of skin）が存在する。7-DHCの不足は、ビタミンD欠乏症の別の原因と...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137426&amp;oldid=prev"/>
		<updated>2024-04-11T10:13:53Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;もう一つの重要な考慮点は、皮膚に存在する7-デヒドロコレステロールの量である。通常であれば、ヒトの皮膚の&lt;a href=&quot;/w/index.php?title=Stratum_spinosum/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Stratum spinosum/ja (page does not exist)&quot;&gt;有棘層&lt;/a&gt;と&lt;a href=&quot;/w/index.php?title=Stratum_basale/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Stratum basale/ja (page does not exist)&quot;&gt;基底層&lt;/a&gt;には、体内のビタミンDの必要量を満たすのに十分な量の7-デヒドロコレステロール（約25–50 &lt;a href=&quot;https://en.wikipedia.org/wiki/microgram&quot; class=&quot;extiw&quot; title=&quot;en:microgram&quot;&gt;μg&lt;/a&gt;/cm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt; of skin）が存在する。7-DHCの不足は、ビタミンD欠乏症の別の原因と...&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:13, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l62&quot;&gt;Line 62:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 62:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;もう一つの重要な考慮点は、皮膚に存在する7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロールの量である。通常であれば、ヒトの皮膚の[[stratum spinosum/ja|有棘層]]と[[stratum basale/ja|基底層]]には、体内のビタミンDの必要量を満たすのに十分な量の7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロール（約25&lt;/ins&gt;&amp;amp;ndash;50 [[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:en:&lt;/ins&gt;microgram|μg]]/cm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt; of &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;skin）が存在する。7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHCの不足は、ビタミンD欠乏症の別の原因として提唱されている。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Another important consideration is the quantity of 7&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dehydrocholesterol present in the skin. Under normal circumstances, ample quantities of 7-dehydrocholesterol (about 25&lt;/del&gt;&amp;amp;ndash;50 [[microgram|μg]]/cm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt; of &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;skin) are available in the [[stratum spinosum]] and [[stratum basale]] of human skin to meet the body&#039;s vitamin D requirements. 7&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHC insufficiency has been proposed as an alternate cause for Vitamin D deficiency.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== 供給源{{Anchor|Sources}} ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== 供給源{{Anchor|Sources}} ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137424&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;工業的には、7-DHCは一般的にラノリンに由来し、紫外線暴露によってビタミンD3を生成するために使用される。地衣類（クラドニア・ランギフェリナ）はビーガンD3の生産に使われる。&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137424&amp;oldid=prev"/>
		<updated>2024-04-11T10:13:02Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;工業的には、7-DHCは一般的に&lt;a href=&quot;/w/index.php?title=Lanolin/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Lanolin/ja (page does not exist)&quot;&gt;ラノリン&lt;/a&gt;に由来し、紫外線暴露によってビタミンD3を生成するために使用される。&lt;a href=&quot;/w/index.php?title=Lichen/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Lichen/ja (page does not exist)&quot;&gt;地衣類&lt;/a&gt;（&lt;a href=&quot;/w/index.php?title=Cladonia_rangiferina/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Cladonia rangiferina/ja (page does not exist)&quot;&gt;クラドニア・ランギフェリナ&lt;/a&gt;）は&lt;a href=&quot;/w/index.php?title=Vega/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Vega/ja (page does not exist)&quot;&gt;ビーガン&lt;/a&gt;D3の生産に使われる。&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:13, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l66&quot;&gt;Line 66:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 66:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;供給源{{Anchor|&lt;/ins&gt;Sources&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;}} &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sources ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;7-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHCは動物や植物が異なる経路で産生する。真菌類ではかなりの量は生産されない。一部の&lt;/ins&gt;[[algae&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|藻類&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;によって生産されるが、その経路はよくわかっていない。また、一部の細菌によっても生産される。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;7-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHC can be produced by animals and plants via different pathways. It is not produced by fungi in significant amounts. It is made by some &lt;/del&gt;[[algae]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, but the pathway is poorly understood. It can also be produced by some bacteria.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;工業的には、7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHCは一般的に&lt;/ins&gt;[[lanolin&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|ラノリン&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;に由来し、紫外線暴露によってビタミンD3を生成するために使用される。&lt;/ins&gt;[[Lichen&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|地衣類&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;（&lt;/ins&gt;[[Cladonia rangiferina&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|クラドニア・ランギフェリナ&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;）は&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vega/ja|ビーガン&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;D3の生産に使われる。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Industrially, 7-DHC generally comes from &lt;/del&gt;[[lanolin]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, and is used to produce vitamin D3 by UV exposure. &lt;/del&gt;[[Lichen]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(&lt;/del&gt;[[Cladonia rangiferina]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;) is used to produce &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vegan&lt;/del&gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;D3.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;7-DHCは、陸上動物では[[lanosterol/ja|ラノステロール]]を介して、植物では[[cycloartenol/ja|シクロアルテノール]]を介して、藻類ではもう一つのプロビタミンDである[[ergosterol/ja|エルゴステロール]]とともにD2の合成に使われる。真菌類では、エルゴステロールのみがラノステロールを介したD2の合成に用いられる。&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;7-DHCは、陸上動物では[[lanosterol/ja|ラノステロール]]を介して、植物では[[cycloartenol/ja|シクロアルテノール]]を介して、藻類ではもう一つのプロビタミンDである[[ergosterol/ja|エルゴステロール]]とともにD2の合成に使われる。真菌類では、エルゴステロールのみがラノステロールを介したD2の合成に用いられる。&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137421&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;7-DHCは、陸上動物ではラノステロールを介して、植物ではシクロアルテノールを介して、藻類ではもう一つのプロビタミンDであるエルゴステロールとともにD2の合成に使われる。真菌類では、エルゴステロールのみがラノステロールを介したD2の合成に用いられる。&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137421&amp;oldid=prev"/>
		<updated>2024-04-11T10:11:43Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;7-DHCは、陸上動物では&lt;a href=&quot;/w/index.php?title=Lanosterol/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Lanosterol/ja (page does not exist)&quot;&gt;ラノステロール&lt;/a&gt;を介して、植物では&lt;a href=&quot;/w/index.php?title=Cycloartenol/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Cycloartenol/ja (page does not exist)&quot;&gt;シクロアルテノール&lt;/a&gt;を介して、藻類ではもう一つのプロビタミンDである&lt;a href=&quot;/wiki/Ergosterol/ja&quot; title=&quot;Ergosterol/ja&quot;&gt;エルゴステロール&lt;/a&gt;とともにD2の合成に使われる。真菌類では、エルゴステロールのみがラノステロールを介したD2の合成に用いられる。&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:11, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l75&quot;&gt;Line 75:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 75:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;7-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHCは、陸上動物では&lt;/ins&gt;[[lanosterol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|ラノステロール&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;を介して、植物では&lt;/ins&gt;[[cycloartenol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|シクロアルテノール&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;を介して、藻類ではもう一つのプロビタミンDである&lt;/ins&gt;[[ergosterol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|エルゴステロール&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;とともにD2の合成に使われる。真菌類では、エルゴステロールのみがラノステロールを介したD2の合成に用いられる。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;7-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHC is used for vitamin D3 synthesis via &lt;/del&gt;[[lanosterol]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in land animals, via &lt;/del&gt;[[cycloartenol]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in plants, and in algae together with another provitamin D &lt;/del&gt;[[ergosterol]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;for D2. In fungi solely ergosterol is used for synthesis of D2 via lanosterol.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==インタラクティブ経路マップ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==インタラクティブ経路マップ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137419&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;== こちらも参照 == * Vitamin D/ja * Smith–Lemli–Opitz syndrome/ja * 7-Dehydrocholesterol reductase/ja&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137419&amp;oldid=prev"/>
		<updated>2024-04-11T10:09:52Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;== こちらも参照 == * &lt;a href=&quot;/wiki/Vitamin_D/ja&quot; title=&quot;Vitamin D/ja&quot;&gt;ビタミン D&lt;/a&gt; * &lt;a href=&quot;/w/index.php?title=Smith%E2%80%93Lemli%E2%80%93Opitz_syndrome/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Smith–Lemli–Opitz syndrome/ja (page does not exist)&quot;&gt;Smith–Lemli–Opitz syndrome/ja&lt;/a&gt; * &lt;a href=&quot;/w/index.php?title=7-Dehydrocholesterol_reductase/ja&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;7-Dehydrocholesterol reductase/ja (page does not exist)&quot;&gt;7-Dehydrocholesterol reductase/ja&lt;/a&gt;&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:09, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l79&quot;&gt;Line 79:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 79:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang&lt;/del&gt;=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;en&quot; dir&lt;/del&gt;=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;インタラクティブ経路マップ&lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Interactive pathway map&lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{VitaminDSynthesis_WP1531|highlight=7-Dehydrocholesterol}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{VitaminDSynthesis_WP1531|highlight=7-Dehydrocholesterol}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== こちらも参照 ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== こちらも参照 ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137417&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;{{DEFAULTSORT:Dehydrocholesterol, 7-}} Category:Cholestanes Category:Sterols Category:Nutrition Category:Vitamin D&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137417&amp;oldid=prev"/>
		<updated>2024-04-11T10:09:30Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{DEFAULTSORT:Dehydrocholesterol, 7-}} &lt;a href=&quot;/wiki/Category:Cholestanes&quot; title=&quot;Category:Cholestanes&quot;&gt;Category:Cholestanes&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Sterols&quot; title=&quot;Category:Sterols&quot;&gt;Category:Sterols&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Nutrition&quot; title=&quot;Category:Nutrition&quot;&gt;Category:Nutrition&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Vitamin_D&quot; title=&quot;Category:Vitamin D&quot;&gt;Category:Vitamin D&lt;/a&gt;&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:09, 11 April 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;languages /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;languages /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{chembox&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{chembox&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| Verifiedfields = changed&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| Verifiedfields = changed&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot;&gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| ImageFile1 = 7-Dehydrocholesterol molecule ball.png&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| ImageFile1 = 7-Dehydrocholesterol molecule ball.png&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| ImageSize1 = 250&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| ImageSize1 = 250&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| ImageAlt1 = &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ball-and-stick model of &lt;/del&gt;7-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dehydrocholesterol&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| ImageAlt1 = 7-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロールのボール＆スティックモデル&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| IUPACName = Cholesta-5,7-dien-3β-ol&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| IUPACName = Cholesta-5,7-dien-3β-ol&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| SystematicName = (1&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,3a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,7&amp;#039;&amp;#039;S&amp;#039;&amp;#039;,9a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,9b&amp;#039;&amp;#039;S&amp;#039;&amp;#039;,11a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;)-9a,11a-Dimethyl-1-[(2&amp;#039;&amp;#039;R&amp;#039;&amp;#039;)-6-methylheptan-2-yl]-2,3,3a,6,7,8,9,9a,9b,10,11,11a-dodecahydro-1&amp;#039;&amp;#039;H&amp;#039;&amp;#039;-cyclopenta[&amp;#039;&amp;#039;a&amp;#039;&amp;#039;]phenanthren-7-ol&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| SystematicName = (1&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,3a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,7&amp;#039;&amp;#039;S&amp;#039;&amp;#039;,9a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,9b&amp;#039;&amp;#039;S&amp;#039;&amp;#039;,11a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;)-9a,11a-Dimethyl-1-[(2&amp;#039;&amp;#039;R&amp;#039;&amp;#039;)-6-methylheptan-2-yl]-2,3,3a,6,7,8,9,9a,9b,10,11,11a-dodecahydro-1&amp;#039;&amp;#039;H&amp;#039;&amp;#039;-cyclopenta[&amp;#039;&amp;#039;a&amp;#039;&amp;#039;]phenanthren-7-ol&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l45&quot;&gt;Line 45:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 44:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   }}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   }}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Image:Skinlayers.png|thumb|250px|right|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The epidermal strata of the skin.&lt;/del&gt;]]  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Image:Skinlayers.png|thumb|250px|right|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;皮膚の表皮層&lt;/ins&gt;]]  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;7-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Dehydrocholesterol&lt;/del&gt;&#039;&#039;&#039; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(&lt;/del&gt;&#039;&#039;&#039;7-DHC&#039;&#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;) is a &lt;/del&gt;[[zoosterol]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;that functions in the &lt;/del&gt;[[blood plasma|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;serum&lt;/del&gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;as a &lt;/del&gt;[[cholesterol]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;precursor, and is &lt;/del&gt;[[photochemically]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;converted to &lt;/del&gt;[[Cholecalciferol|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in the [[skin]], therefore functioning as &lt;/del&gt;[[provitamin]]-D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. The presence of this compound in human skin enables humans to manufacture vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(&lt;/del&gt;[[cholecalciferol]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;).  Upon exposure to &lt;/del&gt;[[ultraviolet]] UV-B &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rays in the sun light, 7&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHC is converted into vitamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;via [[Previtamin D3|previtamin D&lt;/del&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] as an intermediate [[isomer]]. It is also found in the &lt;/del&gt;[[milk]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;of several mammalian species. &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Lanolin&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, a waxy substance that is naturally secreted by wool&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bearing mammals, contains 7&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHC which is converted into vitamin D by sunlight and then ingested during grooming as a nutrient. In insects 7-dehydrocholesterol is a precursor for the hormone &lt;/del&gt;[[ecdysone]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, required for reaching adulthood. It was discovered by Nobel-laureate organic chemist &lt;/del&gt;[[Adolf Windaus]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;7-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロール&lt;/ins&gt;&#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;（&lt;/ins&gt;&#039;&#039;&#039;7-DHC&#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;）は&lt;/ins&gt;[[zoosterol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|動物ステロール&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の一種で、&lt;/ins&gt;[[blood plasma&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;血清&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;では&lt;/ins&gt;[[cholesterol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|コレステロール]]前駆体として機能し、[[skin/ja|皮膚&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;では&lt;/ins&gt;[[photochemically&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|光化学的&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;に&lt;/ins&gt;[[Cholecalciferol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|ビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;に変換されるため、&lt;/ins&gt;[[provitamin&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|プロビタミン&lt;/ins&gt;]]-D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;として機能する。ヒトの皮膚にこの化合物が存在することで、ヒトはビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;（&lt;/ins&gt;[[cholecalciferol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|コレカルシフェロール&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;）を製造することができる。 &lt;/ins&gt;[[ultraviolet&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|紫外線&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;を浴びると、ビタミンDは生成される。太陽光に含まれる[[&lt;/ins&gt;UV-B&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]を浴びると、7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHCは中間[[異性体]]として[[Previtamin D3/ja|プレビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]を経由してビタミンD&lt;/ins&gt;&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;に変換される。また、いくつかの哺乳類の&lt;/ins&gt;[[milk&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|乳&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;にも含まれている。羊毛を持つ哺乳類が自然に分泌する&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lanolin/ja|ラノリン&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;という蝋状の物質には7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DHCが含まれており、日光によってビタミンDに変換され、毛づくろいの際に栄養素として摂取される。昆虫では、7&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;デヒドロコレステロールは成虫になるために必要なホルモン&lt;/ins&gt;[[ecdysone&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja|エクダイソン&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;の前駆体である。ノーベル賞受賞の有機化学者&lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;:en:&lt;/ins&gt;Adolf Windaus&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|アドルフ・ウィンダウス&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;によって発見された。&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;div lang=&amp;quot;en&amp;quot; dir=&amp;quot;ltr&amp;quot; class=&amp;quot;mw-content-ltr&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;div lang=&amp;quot;en&amp;quot; dir=&amp;quot;ltr&amp;quot; class=&amp;quot;mw-content-ltr&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l86&quot;&gt;Line 86:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 84:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/div&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang&lt;/del&gt;=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;en&quot; dir&lt;/del&gt;=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;こちらも参照 &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== See also &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[Vitamin D&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[Vitamin D]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[Smith–Lemli–Opitz syndrome&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[Smith–Lemli–Opitz syndrome]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[7-Dehydrocholesterol reductase&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[7-Dehydrocholesterol reductase]]&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Vitamin&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Vitamin}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Cholesterol metabolism intermediates&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Cholesterol metabolism intermediates}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Vitamin D receptor modulators&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/ja&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Vitamin D receptor modulators}}&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{二次利用|date=9 December 2023}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{DEFAULTSORT:Dehydrocholesterol, 7-}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{DEFAULTSORT:Dehydrocholesterol, 7-}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Cholestanes]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Cholestanes]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l106&quot;&gt;Line 106:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 98:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Nutrition]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Nutrition]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Vitamin D]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Vitamin D]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137398&amp;oldid=prev</id>
		<title>Fire: Created page with &quot;7-デヒドロコレステロール&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=7-Dehydrocholesterol/ja&amp;diff=137398&amp;oldid=prev"/>
		<updated>2024-04-11T10:05:26Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;7-デヒドロコレステロール&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;languages /&amp;gt;&lt;br /&gt;
&amp;lt;div lang=&amp;quot;en&amp;quot; dir=&amp;quot;ltr&amp;quot; class=&amp;quot;mw-content-ltr&amp;quot;&amp;gt;&lt;br /&gt;
{{chembox&lt;br /&gt;
| Verifiedfields = changed&lt;br /&gt;
| verifiedrevid = 477226494&lt;br /&gt;
| ImageFile = 7-Dehydrocholesterol.svg&lt;br /&gt;
| ImageSize = 220&lt;br /&gt;
| ImageFile1 = 7-Dehydrocholesterol molecule ball.png&lt;br /&gt;
| ImageSize1 = 250&lt;br /&gt;
| ImageAlt1 = Ball-and-stick model of 7-dehydrocholesterol&lt;br /&gt;
| IUPACName = Cholesta-5,7-dien-3β-ol&lt;br /&gt;
| SystematicName = (1&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,3a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,7&amp;#039;&amp;#039;S&amp;#039;&amp;#039;,9a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;,9b&amp;#039;&amp;#039;S&amp;#039;&amp;#039;,11a&amp;#039;&amp;#039;R&amp;#039;&amp;#039;)-9a,11a-Dimethyl-1-[(2&amp;#039;&amp;#039;R&amp;#039;&amp;#039;)-6-methylheptan-2-yl]-2,3,3a,6,7,8,9,9a,9b,10,11,11a-dodecahydro-1&amp;#039;&amp;#039;H&amp;#039;&amp;#039;-cyclopenta[&amp;#039;&amp;#039;a&amp;#039;&amp;#039;]phenanthren-7-ol&lt;br /&gt;
| OtherNames = &lt;br /&gt;
| Section1 = {{Chembox Identifiers&lt;br /&gt;
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}&lt;br /&gt;
| ChemSpiderID = 388534&lt;br /&gt;
| InChI = 1/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9-10,18-19,21,23-25,28H,6-8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1&lt;br /&gt;
| InChIKey = UCTLRSWJYQTBFZ-DDPQNLDTBZ&lt;br /&gt;
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}&lt;br /&gt;
| StdInChI = 1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9-10,18-19,21,23-25,28H,6-8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1-dehydrocholesterol &lt;br /&gt;
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}&lt;br /&gt;
| StdInChIKey = UCTLRSWJYQTBFZ-DDPQNLDTSA-N&lt;br /&gt;
| CASNo_Ref = {{cascite|correct|CAS}}&lt;br /&gt;
| CASNo = 434-16-2&lt;br /&gt;
| PubChem = 172&lt;br /&gt;
| UNII_Ref = {{fdacite|correct|FDA}}&lt;br /&gt;
| UNII = BK1IU07GKF&lt;br /&gt;
| ChEBI_Ref = {{ebicite|correct|EBI}}&lt;br /&gt;
| ChEBI = 17759&lt;br /&gt;
| SMILES = O[C@@H]4C/C3=C/C=C1\[C@H](CC[C@]2([C@H]1CC[C@@H]2[C@H](C)CCCC(C)C)C)[C@@]3(C)CC4&lt;br /&gt;
| MeSHName = 7-dehydrocholesterol&lt;br /&gt;
  }}&lt;br /&gt;
| Section2 = {{Chembox Properties&lt;br /&gt;
| Formula = C&amp;lt;sub&amp;gt;27&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;44&amp;lt;/sub&amp;gt;O&lt;br /&gt;
| MolarMass = 384.638&lt;br /&gt;
| Appearance = &lt;br /&gt;
| Density = &lt;br /&gt;
| MeltingPt = &lt;br /&gt;
| BoilingPt = &lt;br /&gt;
  }}&lt;br /&gt;
| Section3 = {{Chembox Hazards&lt;br /&gt;
| MainHazards = &lt;br /&gt;
| FlashPt = &lt;br /&gt;
| AutoignitionPt = &lt;br /&gt;
  }}&lt;br /&gt;
}}&lt;br /&gt;
[[Image:Skinlayers.png|thumb|250px|right|The epidermal strata of the skin.]] &lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;7-Dehydrocholesterol&amp;#039;&amp;#039;&amp;#039; (&amp;#039;&amp;#039;&amp;#039;7-DHC&amp;#039;&amp;#039;&amp;#039;) is a [[zoosterol]] that functions in the [[blood plasma|serum]] as a [[cholesterol]] precursor, and is [[photochemically]] converted to [[Cholecalciferol|vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]] in the [[skin]], therefore functioning as [[provitamin]]-D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;. The presence of this compound in human skin enables humans to manufacture vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; ([[cholecalciferol]]).  Upon exposure to [[ultraviolet]] UV-B rays in the sun light, 7-DHC is converted into vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; via [[Previtamin D3|previtamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]] as an intermediate [[isomer]]. It is also found in the [[milk]] of several mammalian species. [[Lanolin]], a waxy substance that is naturally secreted by wool-bearing mammals, contains 7-DHC which is converted into vitamin D by sunlight and then ingested during grooming as a nutrient. In insects 7-dehydrocholesterol is a precursor for the hormone [[ecdysone]], required for reaching adulthood. It was discovered by Nobel-laureate organic chemist [[Adolf Windaus]].&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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==Biosynthesis==&lt;br /&gt;
It is synthesized from [[lathosterol]] by the enzyme [[lathosterol oxidase]] (lathosterol 5-desaturase).  This is the next-to-last step of cholesterol biosynthesis. Defective synthesis results in the human inherited disorder [[lathosterolosis]] resembling [[Smith–Lemli–Opitz syndrome]]. Mice where this gene has been deleted lose the ability to increase vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; in the blood following UV exposure of the skin.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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==Location ==&lt;br /&gt;
The skin consists of two primary layers: an inner layer, the [[dermis]], comprising largely [[connective tissue]], and an outer, thinner [[Epidermis (skin)|epidermis]]. The thickness of the epidermis ranges from 0.08&amp;amp;nbsp;mm to greater than 0.6&amp;amp;nbsp;mm (from 0.003 to 0.024 inches). The epidermis comprises five &amp;#039;&amp;#039;strata&amp;#039;&amp;#039;; from outer to inner, they are the [[stratum corneum]], [[stratum lucidum]], [[stratum granulosum]], [[stratum spinosum]], and [[stratum basale]]. The highest concentrations of 7-dehydrocholesterol are found in the epidermal layer of skin—specifically in the stratum basale and stratum spinosum. The production of pre-vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; is, therefore, greatest in these two layers.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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==Radiation==&lt;br /&gt;
Synthesis of pre-vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; in the skin involves [[UVB radiation]], which effectively penetrates only the epidermal layers of skin. 7-Dehydrocholesterol absorbs UV light most effectively at [[wavelength]]s between 295 and 300 [[nanometer|nm]] and, thus, the production of vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; will occur primarily at those wavelengths. The two most important factors that govern the generation of pre-vitamin D&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; are the quantity (intensity) and quality (appropriate wavelength) of the UVB irradiation reaching the 7-dehydrocholesterol deep in the stratum basale and stratum spinosum. Light-emitting diodes ([[LED]]s) can be used to produce the radiation.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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Another important consideration is the quantity of 7-dehydrocholesterol present in the skin. Under normal circumstances, ample quantities of 7-dehydrocholesterol (about 25&amp;amp;ndash;50 [[microgram|μg]]/cm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt; of skin) are available in the [[stratum spinosum]] and [[stratum basale]] of human skin to meet the body&amp;#039;s vitamin D requirements. 7-DHC insufficiency has been proposed as an alternate cause for Vitamin D deficiency.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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== Sources ==&lt;br /&gt;
7-DHC can be produced by animals and plants via different pathways. It is not produced by fungi in significant amounts. It is made by some [[algae]], but the pathway is poorly understood. It can also be produced by some bacteria.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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Industrially, 7-DHC generally comes from [[lanolin]], and is used to produce vitamin D3 by UV exposure. [[Lichen]] ([[Cladonia rangiferina]]) is used to produce [[vegan]] D3.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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&amp;lt;div lang=&amp;quot;en&amp;quot; dir=&amp;quot;ltr&amp;quot; class=&amp;quot;mw-content-ltr&amp;quot;&amp;gt;&lt;br /&gt;
7-DHC is used for vitamin D3 synthesis via [[lanosterol]] in land animals, via [[cycloartenol]] in plants, and in algae together with another provitamin D [[ergosterol]] for D2. In fungi solely ergosterol is used for synthesis of D2 via lanosterol.&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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==Interactive pathway map==&lt;br /&gt;
{{VitaminDSynthesis_WP1531|highlight=7-Dehydrocholesterol}}&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
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== See also ==&lt;br /&gt;
* [[Vitamin D]]&lt;br /&gt;
* [[Smith–Lemli–Opitz syndrome]]&lt;br /&gt;
* [[7-Dehydrocholesterol reductase]]&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;div lang=&amp;quot;en&amp;quot; dir=&amp;quot;ltr&amp;quot; class=&amp;quot;mw-content-ltr&amp;quot;&amp;gt;&lt;br /&gt;
{{Vitamin}}&lt;br /&gt;
{{Cholesterol metabolism intermediates}}&lt;br /&gt;
{{Vitamin D receptor modulators}}&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;div lang=&amp;quot;en&amp;quot; dir=&amp;quot;ltr&amp;quot; class=&amp;quot;mw-content-ltr&amp;quot;&amp;gt;&lt;br /&gt;
{{二次利用|date=9 December 2023}}&lt;br /&gt;
{{DEFAULTSORT:Dehydrocholesterol, 7-}}&lt;br /&gt;
[[Category:Cholestanes]]&lt;br /&gt;
[[Category:Sterols]]&lt;br /&gt;
[[Category:Nutrition]]&lt;br /&gt;
[[Category:Vitamin D]]&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;/div&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
</feed>