Title : Metabolic studies using recombinant escherichia coli cells producing rat mitochondrial CYP24 CYP24 can convert 1alpha,25-dihydroxyvitamin D3 to calcitroic acid.

Pub. Date : 1999 May

PMID : 10231362






7 Functional Relationships(s)
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1 Metabolic studies using recombinant escherichia coli cells producing rat mitochondrial CYP24 CYP24 can convert 1alpha,25-dihydroxyvitamin D3 to calcitroic acid. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus
2 Metabolic studies using recombinant escherichia coli cells producing rat mitochondrial CYP24 CYP24 can convert 1alpha,25-dihydroxyvitamin D3 to calcitroic acid. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus
3 In this study, we demonstrate further oxidation by CYP24 including four- and six-step monooxygenation towards 25-hydroxyvitamin D3 and 1alpha,25-dihydroxyvitamin D3, respectively. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus
4 Furthermore, in-vivo and in-vitro metabolic studies on 1alpha,25-dihydroxyvitamin D3 clearly indicated that CYP24 catalyses six-step monooxygenation to convert 1alpha,25-dihydroxyvitamin D3 into calcitroic acid which is known as a final metabolite of 1alpha,25-dihydroxyvitamin D3 for excretion in bile. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus
5 Furthermore, in-vivo and in-vitro metabolic studies on 1alpha,25-dihydroxyvitamin D3 clearly indicated that CYP24 catalyses six-step monooxygenation to convert 1alpha,25-dihydroxyvitamin D3 into calcitroic acid which is known as a final metabolite of 1alpha,25-dihydroxyvitamin D3 for excretion in bile. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus
6 Furthermore, in-vivo and in-vitro metabolic studies on 1alpha,25-dihydroxyvitamin D3 clearly indicated that CYP24 catalyses six-step monooxygenation to convert 1alpha,25-dihydroxyvitamin D3 into calcitroic acid which is known as a final metabolite of 1alpha,25-dihydroxyvitamin D3 for excretion in bile. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus
7 These results strongly suggest that CYP24 is largely responsible for the metabolism of both 25-hydroxyvitamin D3 and 1alpha,25-dihydroxyvitamin D3. Calcitriol cytochrome P450, family 24, subfamily a, polypeptide 1 Rattus norvegicus