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cholecalciferol
A steroid hormone produced in the skin when exposed to ultraviolet light or obtained from dietary sources. The active form of cholecalciferol, 1,25-dihydroxycholecalciferol (calcitriol) plays an important role in maintaining blood calcium and phosphorus levels and mineralization of bone. The activated form of cholecalciferol binds to vitamin D receptors and modulates gene expression. This leads to an increase in serum calcium concentrations by increasing intestinal absorption of phosphorus and calcium, promoting distal renal tubular reabsorption of calcium and increasing osteoclastic resorption. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
| Synonyms: | | Calciol Vitamin D3 | |
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| Chemical structures: | | (3beta,5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3-ol 9,10-secocholesta-5,7,10(19)-trien-3-beta-ol | |
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