Cited by 209Estrogen and related hormone effectsNeuroendocrine regulation and behaviorSexual Differentiation and Disorders

Aromatase in the Brain: Not Just for Reproduction Anymore

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Garcia‐Segura, L. M.·2008·Journal of Neuroendocrinology

Abstract

Aromatase, the enzyme that synthesises oestrogens from androgen precursors, is expressed in the brain, where it has been classically associated with the regulation of neuroendocrine events and behaviours linked with reproduction. Recent findings, however, have revealed new unexpected roles for brain aromatase, indicating that the enzyme regulates synaptic activity, synaptic plasticity, neurogenesis and the response of neural tissue to injury, and may contribute to control nonreproductive behaviours, mood and cognition. Therefore, the function of brain aromatase is not restricted to the regulation of reproduction as previously thought.

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Crossref · 10.1111/j.1365-2826.2008.01713.x

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  • Tissue injury and inflammation with subsequent healing is associated with a specific physiological process that involves local production of estrogen from its precursors.

    “Animal experiments with chemotoxic and mechanic stress to astroglia [20, 52, 53] and urinary bladder tissue as well as studies with isolated connective tissue such as fibroblasts and cartilage [54–56] have revealed that tissue injury and inflammation with subsequent healing is associated with a specific physiological process that involves the local production of estrogen from its precursors.”
  • Molecular mechanisms associated with mechanical strain, injury, and repair display a similar pattern in different tissues and involve expression of P450 aromatase and local production of estrogen.

    “Moreover, it became apparent that the molecular mechanisms associated with mechanical strain, injury, and repair displays a pattern that is quite similar in different tissues and involves the expression of the P450 aromatase and the local production of estrogen [20].”
  • Interleukin-1-induced activation of COX-2 results in production of PGE2, which in turn activates STAR and P450 aromatase.

    “Interleukin-1-induced activation of the cyclooxygenase-2 enzyme (COX-2) results in the production of prostaglandin E2 (PGE2), which in turn activates STAR (steroidogenic acute regulatory protein) and the P450 aromatase.”

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Research works printed but not linked: 4

  1. Naftolin F, Ryan KJ, Petro Z. Aromatization of androstenedione by the diencephalon. J Clin Endocrinol Metab 1971; 33: 368-370.
  2. Saldanha CJ, Tuerk MJ, Kim YH, Fernandes AO, Arnold AP, Schlinger BA. Distribution and regulation of telencephalic aromatase expression in the zebra finch revealed with a specific antibody. J Comp Neurol 2000; 423: 619-630.
  3. Garcia-Segura LM, Veiga S, Sierra A, Melcangi RC, Azcoitia I. Aroma- tase: a neuroprotective enzyme. Prog Neurobiol 2003; 71: 31-41.
  4. New roles for brain aromatase 711 ª 2008 The Author. Journal Compilation ª 2008 Blackwell Publishing Ltd, Journal of Neuroendocrinology, 20, 705-712 13652826, 2008, 6, Downloaded from https://onlinelibrary.wiley.com/doi/10.1111/j.1365-2826.2008.01713.x, Wiley Online Library on [12/07/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License 108

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Authors
Garcia‐Segura, L. M.
Venue
Journal of Neuroendocrinology
Publisher
Wiley
Published
2008-06
Volume
20
Issue
6
Pages
705-712
ISSN
  • 0953-8194 (ISSN-L)
  • 1365-2826
OpenAlex
W2024089136
Cited by
209
References
119
Citations by year
2026: 2 · 2025: 4 · 2024: 6 · 2023: 6 · 2022: 10 · 2021: 7 · 2020: 4 · 2019: 7 · 2018: 12 · 2017: 8 · 2016: 11 · 2015: 11 · 2014: 17 · 2013: 17 · 2012: 19
FWCI
2.17
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
Funders
European Commission
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
Keywords
brain aromatase, estrogen synthesis, androgen precursors, synaptic plasticity, neurogenesis, mood, cognition, neuroendocrine regulation
MeSH terms
Animals, Aromatase, Behavior, Brain, Estrogens, Humans, Neuronal Plasticity, Reproduction, Synapses, Testosterone, Neuroprotective Agents

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