Estrogenic actions in the brain

Estrogen, phytoestrogens, and rapid intracellular signaling mechanisms

Scott M. Belcher, A. Zsarnovszky

Research output: Contribution to journalArticle

129 Citations (Scopus)

Abstract

The endogenous gonadal steroid 17 β-estradiol (E2) plays an important role in the development, maturation, and function of a wide variety of reproductive and nonreproductive tissues, including those of the nervous system. The actions of E2 at target tissues can be divided into 1) long-term "genomic" actions that are mediated by intracellular estrogen receptor-induced changes in gene expression and 2) rapid actions that modulate a diverse array of intracellular signal transduction cascades. Environmental estrogens are compounds present in the environment that can mimic, and in some cases antagonize, the effects of endogenous estrogens. As a result of these actions, there is currently much interest within the scientific community regarding the relative benefits or threats associated with exposure to different environmental estrogens. Within the general public there is considerable acceptance of the benefits associated with increased use of "natural" estrogens as a component of a healthy diet and in postmenopausal women as an alternative to estrogen replacement therapies. First, this review will focus attention on the role of estrogens in the central nervous system by briefly discussing some of the known mechanisms through which estrogen's effects are mediated, focusing on rapid intracellular signaling mechanisms during neurodevelopment. Second, with the hope of bringing attention to an area of study that until recently has received little consideration, we will briefly discuss phytoestrogens and suggest that these compounds have the potential to influence rapid E2-induced mechanisms in the nervous system in ways that may result in modified brain functions.

Original languageEnglish
Pages (from-to)408-414
Number of pages7
JournalJournal of Pharmacology and Experimental Therapeutics
Volume299
Issue number2
Publication statusPublished - 2001

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Phytoestrogens
Estrogens
Brain
Nervous System
Estrogen Replacement Therapy
Estrogen Receptors
Estradiol
Signal Transduction
Central Nervous System
Steroids
Gene Expression

ASJC Scopus subject areas

  • Pharmacology

Cite this

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