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Oxytocin and prostatic function

H D Nicholson1, L Jenkin

  • 1Department of Anatomy, University of Bristol, UK.

Advances in Experimental Medicine and Biology
|January 1, 1995
PubMed
Summary
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Oxytocin influences male reproductive functions, including prostate health. Elevated oxytocin and 5 alpha-reductase activity in benign prostatic hyperplasia (BPH) suggest a role in this common condition.

Area of Science:

  • Reproductive Endocrinology
  • Urology
  • Molecular Endocrinology

Background:

  • Oxytocin is found in the mammalian testis and prostate, influencing reproductive processes.
  • In the testis, oxytocin modulates testosterone production and 5 alpha-reductase activity, affecting dihydrotestosterone (DHT) levels.
  • DHT is crucial for prostate function, and its levels are influenced by androgens.

Purpose of the Study:

  • To investigate the role of oxytocin in regulating prostatic DHT levels.
  • To explore the relationship between oxytocin, 5 alpha-reductase activity, and benign prostatic hyperplasia (BPH).

Main Methods:

  • Studied androgen regulation of prostatic oxytocin in rats.
  • Assessed the effect of oxytocin on 5 alpha-reductase activity in rat prostates.

Related Experiment Videos

  • Analyzed oxytocin and 5 alpha-reductase levels in prostatic tissue from dogs and men with BPH.

    • Main Results:

    • Prostatic oxytocin levels in rats are regulated by androgens.
    • Oxytocin transiently increases 5 alpha-reductase activity in rat prostates.
    • Elevated oxytocin and 5 alpha-reductase activity are observed in BPH prostatic tissue from dogs and suggestively in men.

    Conclusions:

    • A local feedback mechanism involving oxytocin may control prostatic DHT levels and growth.
    • Oxytocin is implicated in the pathophysiology of the prostate gland, particularly in BPH.
    • Further research is warranted to elucidate oxytocin's precise role in prostate diseases.