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・ Cypheus Bunton
・ Cyphia
・ Cyphicerini
・ Cyphipelta
・ Cypho purpurascens
・ Cyornis
・ CYP
・ CYP17A1
・ CYP1A2
・ CYP1B1
・ CYP20A1
・ CYP24A1
・ CYP26A1
・ CYP26B1
・ CYP26C1
CYP27A1
・ CYP27C1
・ CYP2A
・ CYP2A13
・ CYP2A6
・ CYP2A7
・ CYP2B6
・ CYP2C18
・ CYP2C19
・ CYP2C8
・ CYP2C9
・ CYP2C9*13
・ CYP2C9*3
・ CYP2D6
・ CYP2E1


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CYP27A1 : ウィキペディア英語版
CYP27A1

CYP27A1 is a gene encoding a cytochrome P450 oxidase, and is commonly known as sterol 27-hydroxylase. This enzyme is located in many different tissues where it is found within the mitochondria. It is most prominently involved in the biosynthesis of bile acids.
== Function ==

CYP27A1 participates in the degradation of cholesterol to bile acids in both the classic and acidic pathways. It is the initiating enzyme in the acidic pathway to bile acids, yielding oxysterols by introducing a hydroxyl group to the carbon at the 27 position in cholesterol. In the acidic pathway, it produces 27-hydroxycholesterol from cholesterol whereas in the classic or neutral pathway, it produces 3β-hydroxy-5-cholestenoic acid.
It is also involved in the metabolism of vitamin D3.
While CYP27A1 is present in many different tissues, its function in these tissues is largely uncharacterized. In macrophages, 27-hydroxycholesterol generated by this enzyme may be helpful against the production of inflammatory factors associated with cardiovascular disease.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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