Physiological consequences of membrane-initiated estrogen signaling in the brain

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

Many of the actions of 17beta-estradiol (E2) in the central nervous system (CNS) are mediated via the classical nuclear steroid receptors, ERalpha and ERbeta, which interact with the estrogen response element to modulate gene expression. In addition to the nuclearinitiated estrogen signaling, E2 signaling in the brain can occur rapidly within minutes prior to any sufficient effects on transcription of relevant genes. These rapid, membraneinitiated E2 signaling mechanisms have now been characterized in many brain regions, most importantly in neurons of the hypothalamus and hippocampus. Furthermore, our understanding of the physiological effects of membrane-initiated pathways is now a major field of interest in the hypothalamic control of reproduction, energy balance, thermoregulation and other homeostatic functions as well as the effects of E2 on physiological and pathophysiological functions of the hippocampus. Membrane signaling pathways impact neuronal excitability, signal transduction, cell death, neurotransmitter release and gene expression. This review will summarize recent findings on membrane-initiated E2 signaling in the hypothalamus and hippocampus and its contribution to the control of physiological and behavioral functions.

Original languageEnglish (US)
Pages (from-to)1560-1573
Number of pages14
JournalFrontiers in bioscience : a journal and virtual library
Volume16
Issue number4
DOIs
StatePublished - Jan 1 2011

Fingerprint

Hippocampus
Brain
Estrogens
Membranes
Hypothalamus
Gene Expression
Estrogen Receptor beta
Gene expression
Estrogen Receptor alpha
Body Temperature Regulation
Steroid Receptors
Response Elements
Cytoplasmic and Nuclear Receptors
Reproduction
Neurotransmitter Agents
Estradiol
Signal Transduction
Cell Death
Central Nervous System
Signal transduction

Keywords

  • Energy homeostasis
  • Estrogen
  • Hippocampus
  • Hypothalamus
  • Membrane receptor
  • Neuroprotection
  • Reproduction
  • Review

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Medicine(all)

Cite this

Physiological consequences of membrane-initiated estrogen signaling in the brain. / Roepke, Troy A.; Ronnekleiv, Oline; Kelly, Martin.

In: Frontiers in bioscience : a journal and virtual library, Vol. 16, No. 4, 01.01.2011, p. 1560-1573.

Research output: Contribution to journalArticle

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