J Acupunct Meridian Stud
December 2012
Testosterone 5α-reductase inhibitors represent important therapeutic drugs for use against androgen-dependent diseases such as benign prostatic hyperplasia, male pattern baldness, and acne. We have searched for inhibitors of rat prostate testosterone 5α-reductase in the cultured broths of many kinds of soil bacteria, and have found that cultured soybean-casein digest broths of certain bacterial strains have a potent inhibitory effect on the enzyme. We tested 10 selected isoflavonoids, including isoflavones and O-methylated isoflavones, for inhibitory effects on rat prostate testosterone 5α-reductase to determine the important structural elements for inhibition of the enzyme.
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