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Sex differences in vascular endothelial cells.

Jerome Robert1

  • 1University Hospital of Zurich, Institute of Clinical Chemistry, Wagistrasse 14, 8952, Schlieren, Switzerland.

Atherosclerosis
|September 28, 2023
PubMed
Summary

Sex hormones impact blood vessel health, with female hormones generally considered protective and male hormones potentially harmful. However, the relationship between sex hormones and endothelial function is complex and also influenced by genetic factors.

Keywords:
Cardiovascular diseaseEndothelial cellGenderHormoneSex

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Area of Science:

  • Cardiovascular Science
  • Endothelial Biology
  • Hormone Research

Background:

  • Endothelial cells maintain vascular homeostasis, regulating blood flow, immune response, and tissue exchange.
  • Endothelial dysfunction, marked by reduced vasodilators and increased oxidative stress, contributes to cardiovascular diseases.
  • Sex hormones (estrogens, androgens, progestogens) are known regulators of endothelial function.

Purpose of the Study:

  • To review the complex role of sex hormones in endothelial cell function.
  • To explore the influence of sex hormones on cardiovascular health, particularly in relation to menopause.
  • To investigate non-hormonal sex-based influences on endothelial physiology.

Main Methods:

  • Literature review of studies on sex hormones and endothelial cells.
  • Analysis of the impact of estrogens, androgens, and progestogens on vascular homeostasis.
  • Examination of genetic factors influencing sex differences in endothelial function.

Main Results:

  • The influence of sex hormones on endothelial cells is more intricate than previously assumed.
  • Estrogens and progestogens may promote endothelial health, while androgens' role is less clear.
  • Genetic factors contribute to sex-based differences in endothelial cell physiology, independent of hormones.

Conclusions:

  • The relationship between sex hormones and endothelial function requires nuanced understanding.
  • Cardiovascular disease risk post-menopause highlights the importance of female hormones in vascular health.
  • Genetic sex plays a significant role in endothelial cell behavior beyond hormonal effects.