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7-dehydrocholesterol

   Also found in: Wikipedia 0.02 sec.
7-dehydrocholesterol /7-de·hy·dro·cho·les·ter·ol/ (de-hi″dro-kŏ-les´ter-ol) a sterol present in skin which, on ultraviolet irradiation, produces vitamin D.
activated 7-dehydrocholesterol  cholecalciferol.
7-de·hy·dro·cho·les·ter·ol (-d-hdr-k-lst-rôl, -rl)
n.
A provitamin present in the skin of humans as well as the milk of mammals that becomes vitamin D3 when exposed to ultraviolet light.


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Treatment with CPCA also resulted in regulation of a number of genes in the cholesterol and fatty acid pathways, including an upregulation of adipocyte lipid binding protein, squalene epoxidase, 7-dehydrocholesterol reductase, and downregulation of cholesterol hydroxylase 7 [alpha], lecithin-cholesterol acyltransferase, fatty acid desaturase, fatty acid amide hydrolase, and fatty acid binding proteins 1 and 7 (Table 3).
Development of a DNA microarray for toxicology based on ... by Ulrich, Roger G. / Environmental Health Perspectives
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