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Related Experiment Videos

Is dehydroepiandrosterone a hormone?

F Labrie1, V Luu-The, A Bélanger

  • 1Laboratory of Molecular Endocrinology and Oncology, Laval University Hospital Research Center (CRCHUL) and Laval University, Québec City, Québec G1V4G2, Canada. fernand.labrie@crchul.ulaval.ca

The Journal of Endocrinology
|November 19, 2005
PubMed
Summary
This summary is machine-generated.

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Dehydroepiandrosterone (DHEA) is a crucial prohormone that fuels local sex steroid production in peripheral tissues. This "intracrinology" advances treatments for breast and prostate cancer and offers potential for women's health.

Area of Science:

  • Endocrinology
  • Reproductive Biology
  • Oncology

Background:

  • Dehydroepiandrosterone (DHEA) is a vital prohormone secreted abundantly by adrenal glands in primates.
  • DHEA levels are second only to cholesterol in blood concentration.
  • Peripheral tissues express enzymes for DHEA conversion to androgens and estrogens, enabling local sex steroid synthesis.

Purpose of the Study:

  • To explore the role of DHEA in local sex steroid production (intracrinology).
  • To highlight DHEA's impact on post-menopausal women's health.
  • To discuss DHEA's contribution to prostate cancer treatment strategies.

Main Methods:

  • Review of existing literature on DHEA metabolism and intracrinology.
  • Analysis of DHEA's role in peripheral androgen and estrogen synthesis.

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  • Evaluation of therapeutic applications, including combined androgen blockade (CAB).

    • Main Results:

    • DHEA is the primary source of estrogens and androgens in post-menopausal women, influencing bone, metabolism, and well-being.
    • In men, DHEA contributes significantly to prostate androgen levels.
    • Combined androgen blockade (CAB) has shown efficacy in advanced and localized prostate cancer treatment.

    Conclusions:

    • Intracrinology, focusing on local DHEA conversion, has significantly advanced breast and prostate cancer treatments.
    • DHEA's potential as a physiological hormone replacement therapy (HRT) offers promising avenues for women's health, particularly during menopause.