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Estrogen Receptor and Vascular Aging.

Morgane Davezac1, Melissa Buscato1, Rana Zahreddine1

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Summary
This summary is machine-generated.

Cardiovascular disease risk increases with age, particularly after menopause due to estrogen decline. Estrogen receptors (ERs) and their function are crucial for protecting arteries, with potential implications for hormone therapy in menopause.

Keywords:
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Area of Science:

  • Cardiovascular Science
  • Endocrinology
  • Gerontology

Background:

  • Cardiovascular diseases (CVDs) are age-related, with higher prevalence in men before menopause, a gap that narrows post-menopause.
  • Estrogens exert a vasculoprotective role before menopause, but their decline's impact on cardiovascular risk during menopause is debated.
  • Estrogen receptors (ERs), including ERα and ERβ, mediate the arterial actions of estrogens and androgens via nuclear and non-genomic pathways.

Purpose of the Study:

  • To review clinical and experimental studies on estrogen's protective effects against CVDs, focusing on atherosclerosis.
  • To examine the impact of aging and estrogen deprivation on endothelial actions of estrogens.
  • To discuss how ERα mechanisms may optimize menopausal hormone therapy.

Main Methods:

  • Review of clinical and experimental studies.
  • Analysis of estrogen's effects on cardiovascular health and atherosclerosis.
  • Investigation of estrogen receptor (ER) expression and function in arterial tissues.

Main Results:

  • Estrogen deprivation at menopause is linked to increased cardiovascular risk.
  • ERα and ERβ mediate estrogen's protective effects on arteries.
  • Dysregulation of ER expression/function may impair estrogen's protective role in aging arteries.

Conclusions:

  • Estrogen decline significantly impacts cardiovascular health post-menopause.
  • Understanding ER mechanisms is key to addressing age-related cardiovascular risks in women.
  • Novel insights into ERα action could refine menopausal hormone therapy strategies.