Effects of Estrogen in the Brain: Is it a Neuroprotective Agent in Alzheimers Disease?

Sonia C. Correia, Renato X. Santos, Susana Cardoso, Cristina Carvalho, Maria S. Santos, Catarina R. Oliveira, Paula I. Moreira

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Over the last decades estrogen has been recognized to be involved in normal brain function due to its neurothrophic and neuroprotective effects. Estrogen is intimately associated with neuronal survival, mitochondrial function, neuroinflammation and cognition through genomic as well as non-genomic pathways. It is also known that the neuroprotective actions mediated by estrogens are interlinked with the insulin-like growth factor-1 (IGF-1) signaling pathway. This review is mainly devoted to explore the physiological and pathophysiological effects of estrogen and its signaling pathways in the brain. The molecular mechanisms underlying these effects are also debated. Finally, we discuss the potential neuroprotection afforded by estrogens in Alzheimers disease pathophysiology focusing in the “window of opportunity” for the initiation of estrogen therapy as a critical factor in the fight against neurodegeneration.
Original languageEnglish
Pages (from-to)113-126
Number of pages14
JournalCurrent Aging Science
Volume3
Issue number2
DOIs
Publication statusPublished - Jul 2010

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Neuroprotective Agents
Alzheimer Disease
Estrogens
Brain
Somatomedins
Cognition

Keywords

  • Alzheimer's disease
  • estrogen
  • IGF-1
  • mitochondria
  • neuroinflammation
  • neuroprotection

Cite this

Correia, S. C., Santos, R. X., Cardoso, S., Carvalho, C., Santos, M. S., Oliveira, C. R., & Moreira, P. I. (2010). Effects of Estrogen in the Brain: Is it a Neuroprotective Agent in Alzheimers Disease? Current Aging Science, 3(2), 113-126. https://doi.org/10.2174/1874609811003020113

Effects of Estrogen in the Brain : Is it a Neuroprotective Agent in Alzheimers Disease? / Correia, Sonia C.; Santos, Renato X.; Cardoso, Susana; Carvalho, Cristina; Santos, Maria S.; Oliveira, Catarina R.; Moreira, Paula I.

In: Current Aging Science, Vol. 3, No. 2, 07.2010, p. 113-126.

Research output: Contribution to journalArticle

Correia, SC, Santos, RX, Cardoso, S, Carvalho, C, Santos, MS, Oliveira, CR & Moreira, PI 2010, 'Effects of Estrogen in the Brain: Is it a Neuroprotective Agent in Alzheimers Disease?', Current Aging Science, vol. 3, no. 2, pp. 113-126. https://doi.org/10.2174/1874609811003020113
Correia, Sonia C. ; Santos, Renato X. ; Cardoso, Susana ; Carvalho, Cristina ; Santos, Maria S. ; Oliveira, Catarina R. ; Moreira, Paula I. / Effects of Estrogen in the Brain : Is it a Neuroprotective Agent in Alzheimers Disease?. In: Current Aging Science. 2010 ; Vol. 3, No. 2. pp. 113-126.
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