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Mechanism of the sex difference in endothelial dysfunction after stroke
Catherine M Davis1, Stacy L Fairbanks, Nabil J Alkayed
1Cerebrovascular Research Division, Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR 97239-3098, USA.
Translational Stroke Research
|July 16, 2013
Summary
Soluble epoxide hydrolase (sEH) impacts stroke by degrading protective compounds in brain blood vessels. Understanding sEH may reveal new therapeutic targets for stroke, particularly considering sex differences.
Area of Science:
- Neuroscience
- Cardiovascular Biology
- Pharmacology
Background:
- Stroke is a leading cause of death and disability, often linked to impaired blood vessel function (endothelial dysfunction).
- Endothelial dysfunction in stroke involves reduced vasodilation, impacting blood flow to the brain.
- Soluble epoxide hydrolase (sEH) degrades beneficial eicosatrienoic acids (EETs) that protect blood vessels.
Purpose of the Study:
- To review the role of sEH in the cerebral vasculature.
- To explore sEH's contribution to stroke development and outcomes.
- To examine the role of sEH in the sex-specific differences observed in stroke.
Main Methods:
- Literature review of studies on sEH, cerebral ischemia, and endothelial function.
- Analysis of research investigating the impact of sEH activity on vasodilation in brain arteries.
- Examination of data related to sex differences in stroke incidence and severity concerning sEH.
Main Results:
- sEH activity is implicated in endothelial dysfunction relevant to cerebral ischemia.
- The degradation of vasoprotective EETs by sEH contributes to impaired vasodilation.
- Evidence suggests sEH plays a role in the sexual dimorphism of stroke.
Conclusions:
- sEH is a key factor in cerebral vascular dysfunction and stroke.
- Targeting sEH may offer a therapeutic strategy to improve stroke outcomes.
- Further research into sEH's role in sex-specific stroke mechanisms is warranted.
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