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  • Title: Epitestosterone in human blood and prostatic tissue.
    Author: Stárka L, Hampl R, Hill M, Lapcík O, Bílek R, Petrik R.
    Journal: Eur J Clin Chem Clin Biochem; 1997 Jun; 35(6):469-73. PubMed ID: 9228331.
    Abstract:
    Epitestosterone, a C19-steroid with anti-androgenic activity, was determined in the plasma of 234 boys and men from the ages of 6-86 years, and in the prostate tissue of 15 men 55-82 years of age. It was documented that, while in adulthood the concentration of epitestosterone is about ten times lower than the concentration of testosterone, in the pre-pubertal period the level of epitestosterone is similar or even higher than that of testosterone. In the hyperplastic prostate tissue the content of epitestosterone is comparable to that of androstenedione, it is about twice as high as the content of testosterone and approximately half that of the content of dihydrotestosterone. At least in the case of pre-pubertal boys and in the prostatic tissue it is therefore possible to include epitestosterone into consideration as a regulatory factor for the androgen-dependent events.
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