Plasma Unbound and Unconjugated Androgens in Oriental Men

    January 1976 in “ Journal of Endocrinology ”
    R. L. Rosenfield, T. Kubota, Fang Vs
    TLDR Oriental men may have lower androgen activity affecting hair growth despite similar testosterone levels to Caucasian men.
    The study investigated the biochemical basis for differences in sexual hair growth between Oriental and Caucasian men, focusing on plasma androgens. It involved 6 Oriental men (3 Chinese, 3 Japanese) and 6 Caucasian men, all around 24 years old. Despite having similar plasma testosterone levels to Caucasians, Oriental men exhibited low 17-oxosteroid excretion and required androgen to induce beard growth, suggesting hypoandrogenism. The research aimed to explore potential differences in plasma testosterone binding or levels of other androgens, such as androstenedione, dihydrotestosterone, and dehydroepiandrosterone.
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