Estrogenic hormones receptors in Alzheimer's disease

Angeles C Tecalco-Cruz1, Jesús Zepeda-Cervantes2, Bibiana Ortega-Domínguez3

  • 1Programa en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Apdo. Postal 03100, Ciudad de México, México. angeles.tecalco@uacm.edu.mx.

Molecular Biology Reports
|October 17, 2021
PubMed

Insights

Estrogen decline during menopause affects brain signaling via estrogen receptors (ERα, ERβ, GPER), potentially accelerating Alzheimer's disease (AD) in women. This review explores estrogen receptor roles in aging-related AD.

Area of Science:

  • Endocrinology
  • Neuroscience
  • Gerontology

Background:

  • Estrogens are vital hormones for female reproductive health, bone density, metabolism, and cognitive function.
  • Menopause leads to decreased estrogen levels, impacting signaling through estrogen receptors (ERα, ERβ) and GPER.
  • Reduced estrogenic signaling in the brain is linked to Alzheimer's disease (AD) progression in postmenopausal women.

Purpose of the Study:

  • To review the involvement of estrogen receptors in the development and progression of Alzheimer's disease in aging women.
  • To elucidate the mechanisms by which estrogen receptor signaling impacts brain health during menopause and aging.

Main Methods:

  • Literature review of studies investigating estrogen receptors and Alzheimer's disease.
  • Analysis of molecular pathways affected by estrogen decline in the aging female brain.
  • Synthesis of current research on estrogen receptor subtypes (ERα, ERβ, GPER) in AD pathogenesis.

Main Results:

  • Estrogen deficiency during menopause alters estrogen receptor signaling pathways crucial for neuronal function.
  • Evidence suggests a protective role of estrogen signaling against AD pathology.
  • Dysregulation of ERα, ERβ, and GPER pathways may contribute to cognitive decline and AD development in aging women.

Conclusions:

  • Estrogen receptors play a significant role in modulating the risk and progression of Alzheimer's disease in women.
  • Understanding estrogen receptor function is critical for developing targeted therapies for AD in postmenopausal women.
  • Further research into estrogenic pathways may offer new avenues for AD prevention and treatment strategies.

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