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[Beta-endorphin--physiologic role and menstrual cycle disorders]

B Meczekalski1, A Warenik-Szymankiewicz

  • 1Kliniki Endokrynologii Ginekologicznej IGiP AM w Poznaniu.

Ginekologia Polska
|October 1, 1995
PubMed
Summary

Beta-endorphin, a key opioid peptide, regulates the menstrual cycle and puberty. Its altered levels are linked to menstrual disorders like amenorrhea and premenstrual syndrome.

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Area of Science:

  • Neuroendocrinology
  • Reproductive Biology

Context:

  • Endogenous opioid peptides, including endorphins, enkephalins, and dynorphins, are crucial signaling molecules.
  • Beta-endorphin is the primary endogenous opioid peptide, influencing reproductive functions.

Purpose:

  • To review current understanding of beta-endorphin's role in menstrual cycle physiology.
  • To explore beta-endorphin's involvement in the pathophysiology of menstrual disorders.

Summary:

  • Beta-endorphin is central to normal menstrual cycle regulation and potentially puberty onset.
  • Dysregulation of beta-endorphin levels is implicated in conditions such as exercise-associated amenorrhea, stress-induced amenorrhea, weight loss amenorrhea, and premenstrual syndrome.
  • Altered beta-endorphin may disrupt the pulsatile release of gonadotropin-releasing hormone (GnRH), impacting reproductive hormonal balance.

Impact:

  • Provides insights into the neuroendocrine mechanisms underlying menstrual cycle regulation.
  • Highlights beta-endorphin as a potential therapeutic target for menstrual disorders.
  • Enhances understanding of the interplay between the opioid system and reproductive health.

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