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  • Title: 21-Hydroxylation of C-11-oxygenated and C-11-deoxysteroids by perfused dog adrenals.
    Author: Horn H, Halperin G, Weidenfeld J, Mordohovich D, Maschler I.
    Journal: Steroids; 1977 Aug; 30(2):165-7. PubMed ID: 303820.
    Abstract:
    The left adrenal of two female dogs were perfused with either 3 muCi [4-14C]cpd. S (2) and 45 muCi [1, 2-3H] 21-deoxycortisone (Dog I), or with 1 muCi [4-14C] 17-hydroxyprogesterone and 65 muCi [1,2-3H] 21-deoxycortisone (Dog II). In Dog I, 40% of the perfused 21-deoxycortisone was converted to cortisone and 23% of cpd. S was converted to cortisol. In Dog II the percent conversion of 21-deoxycortisone to cortisone and of 17- hydroxyprogesterone to cortisol was 24% and 15% respectively. The results demonstrate that the dog adrenal has the capability of hydroxylating an 11-oxygenated steroid at C-21.
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