Estrogens as protectants of the neurovascular unit against ischemic stroke

Shaohua Yang, Ran Liu, Evelyn J. Perez, Xiaofei Wang, James W. Simpkins

Research output: Contribution to journalReview article

42 Scopus citations

Abstract

Estrogens are now recognized as potent neuroprotectants in a variety of in vitro and in vivo model for cerebral ischemia. These protective effects of estrogens are seen in neurons, astrocytes, microglia and vascular endothelial cells and result in a profound protection of the brain during stroke. Herein, we provide a thesis that indicates that the protective effects of estrogens during stroke may be a combined effect on multiple targets of the neurovascular unit (NVU) through a fundamental protective effect of estrogens on the subcellular organelle that defines the fate of cells during insults, the mitochondria. By protecting mitochondria during insult, estrogens are able to reduce or eliminate the signal for cellular necrosis or apoptosis and thereby protect the NVU from ischemia/reperfusion. In this context, estrogens may be unique in their ability to target the cellular site of initiation of damage during stroke and could be a central compound in a multi-drug approach to the prevention and treatment of brain damage from stroke.

Original languageEnglish
Pages (from-to)169-177
Number of pages9
JournalCurrent Drug Targets: CNS and Neurological Disorders
Volume4
Issue number2
DOIs
StatePublished - 1 Apr 2005

Keywords

  • Cerebral ischemia
  • Endothelial cells
  • Estrogens
  • Glia
  • Neurons
  • Neuroprotection
  • Neurovascular unit
  • Setradiol
  • Stroke
  • Tissue plasminogen activator

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