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. 2012 Jul 25;87(3):68. doi: 10.1095/biolreprod.112.100479

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© 2012 by the Society for the Study of Reproduction, Inc.

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FIG. 1. — Androgen production in rat placenta. The arrow indicates the direction of the converting process catalyzed by the enzyme. CYP11A1, cytochrome P450, family 11, subfamily a, polypeptide 1; HSD3B1, hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1; CYP17A1, cytochrome P450, family 17, subfamily A, polypeptide 1; HSD17B2, hydroxysteroid (17-beta) dehydrogenase 2; SRD5A1, steroid-5-alpha-reductase, alpha polypeptide 1 (3-oxo-5 alpha-steroid delta 4-dehydrogenase alpha 1).