Association of. Vitamin D and psoriasis - Refaat Youness, Eman;El Daly, Sherien M.
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Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and multiple other biological effects. The major natural source of the vitamin is synthesis of cholecalciferol in the lower layers of epidermis skin through a chemical reaction that is dependent on sun exposure. Vitamin D from the diet, or from skin synthesis, is biologically inactive. A protein enzyme must hydroxylate it to convert it to the active form. This is done in the liver and in the kidneys.

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Produktbeschreibung
Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and multiple other biological effects. The major natural source of the vitamin is synthesis of cholecalciferol in the lower layers of epidermis skin through a chemical reaction that is dependent on sun exposure. Vitamin D from the diet, or from skin synthesis, is biologically inactive. A protein enzyme must hydroxylate it to convert it to the active form. This is done in the liver and in the kidneys.
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Autorenporträt
Dr. Eman Refaat Youness, MD, Medical Biochemistry, Faculty of Medicine, Cairo university, Assistant professor of medical Biochemistry, National Research centre, Egypt, Experienced in experimental design, clinical Researches, DNA, PCR,have a lot of international publications, member in international societies, Reviewer and editor in many journals