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Related Experiment Videos

[Testosterone and the prostate].

M P Wirth1, O W Hakenberg

  • 1Klinik und Poliklinik für Urologie, Universitätsklinikum Carl-Gustav Carus, Technische Universität Dresden.

Der Urologe. Ausg. A
|October 25, 2000
PubMed
Summary
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Prostate health relies on androgens, particularly dihydrotestosterone. While evidence is conflicting, testosterone substitution may not increase prostate cancer risk, but caution is advised due to high latent cancer prevalence.

Area of Science:

  • Andrology
  • Urology
  • Endocrinology

Context:

  • Prostate development and function are critically dependent on androgens, primarily from the testes.
  • Dihydrotestosterone is the key androgenic mediator in prostate tissue, unlike other androgen-sensitive organs.
  • Pathological prostate growth, including benign prostatic hyperplasia and prostate cancer, is linked to androgen signaling.

Purpose:

  • To review the conflicting evidence on androgen receptor changes in benign prostatic hyperplasia and prostate cancer.
  • To examine the inconsistent clinical data on androgen metabolism in advanced prostate cancer.
  • To assess the risk of prostate neoplasia associated with testosterone substitution therapy.

Summary:

  • Androgen action in the prostate is mediated by dihydrotestosterone, a metabolite of testosterone.

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  • Current evidence presents conflicting findings regarding alterations in prostatic androgen receptors in benign prostatic hyperplasia and prostate carcinoma.
  • Clinical data on androgen metabolism in patients with advanced prostate cancer remains inconsistent.
  • There is no definitive evidence linking testosterone substitution to an increased risk of prostate cancer, even in cases of partial or absolute androgen deficiency.

    • Impact:

    • Highlights the complex and often contradictory role of androgens in prostate diseases.
    • Underscores the need for further research into androgen metabolism and receptor dynamics in prostate pathologies.
    • Informs clinical practice regarding the cautious use of testosterone therapy in men with or at risk for prostate conditions.
    • Emphasizes the importance of considering the high prevalence of latent prostate cancer when evaluating testosterone replacement strategies.