title: Mechanism of 25-hydroxycholecalciferol 1 -hydroxylation. Incorporation of oxygen-18 into the 1  position of 25-hydroxycholecalciferol.
mesh_terms: D000818:Animals; D002645:Chickens; D002850:Chromatography, Gel; D003903:Deuterium; D006887:Hydroxycholecalciferols / Q000302:isolation & purification / Q000378:metabolism*; D006900:Hydroxylation; D007668:Kidney / Q000166:cytology / Q000201:enzymology / Q000378:metabolism; D008297:Male; D013058:Mass Spectrometry; D008928:Mitochondria / Q000201:enzymology / Q000378:metabolism; D010088:Oxidoreductases / Q000378:metabolism; D010100:Oxygen; D010103:Oxygen Isotopes
chemical_list: D006887:Hydroxycholecalciferols; D010103:Oxygen Isotopes; D003903:Deuterium; D010088:Oxidoreductases; D010100:Oxygen