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Article
Conformational Similarities of Vitamin D and Cholesterol as Enzyme Substrates
INVESTIGATIONS of the synthesis of vitamin D long chain fatty acid esters found in rats have indicated that cholesterol-specific esterifying enzymes in the small intestine and plasma have vitamin D as substrate1....
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Article
Unique Biosynthesis by Kidney of a Biologically Active Vitamin D Metabolite
BEFORE the molecule of vitamin D acts in the control of calcium metabolism it is converted to a functional form in at least two metabolic steps. The first, a side chain hydroxylation at carbon 25, was shown by...
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Article
Identification of 1,25-Dihydroxycholecalciferol, a New Kidney Hormone controlling Calcium Metabolism
A vitamin D metabolite, 25-dihydroxycholecalciferol, is further hydroxylated by kidney before acting as a hormone on target tissues. The structure of this kidney metabolite is now described.
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Article
A vitamin D encyclopaedia
Vitamin D. The Calcium Homeostatic Steroid Hormone.
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Article
A new mechanism for induced vitamin D deficiency in calcium deprivation
Synthesis of vitamin D in the skin in response to ultraviolet light is the main determinant of vitamin D status in man1 and it is therefore surprising that rickets and osteomalacia, clinical signs of vitamin D de...
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Article
Correction: A new mechanism for induced vitamin D deficiency in calcium deprivation
A new mechanism for induced vitamin D deficiency in calcium deprivation