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Therapeutic Implications of Estrogen for Cerebral Vasospasm and Delayed Cerebral Ischemia Induced by Aneurysmal Subarachnoid Hemorrhage
Joint Authors
Lin, Chih-Lung
Starke, Robert M.
Ding, Dale
Chalouhi, Nohra
Owens, Gary K.
Hasan, David M.
Medel, Ricky
Dumont, Aaron S.
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-03-02
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Cerebral vasospasm (CV) remains the leading cause of delayed morbidity and mortality following aneurysmal subarachnoid hemorrhage (SAH).
However, increasing evidence supports etiologies of delayed cerebral ischemia (DCI) other than CV.
Estrogen, specifically 17β-estradiol (E2), has potential therapeutic implications for ameliorating the delayed neurological deterioration which follows aneurysmal SAH.
We review the causes of CV and DCI and examine the evidence for E2-mediated vasodilation and neuroprotection.
E2 potentiates vasodilation by activating endothelial nitric oxide synthase (eNOS), preventing increased inducible NOS (iNOS) activity caused by SAH, and decreasing endothelin-1 production.
E2 provides neuroprotection by increasing thioredoxin expression, decreasing c-Jun N-terminal kinase activity, increasing neuroglobin levels, preventing SAH-induced suppression of the Akt signaling pathway, and upregulating the expression of adenosine A2a receptor.
The net effect of E2 modulation of these various effectors is the promotion of neuronal survival, inhibition of apoptosis, and decreased oxidative damage and inflammation.
E2 is a potentially potent therapeutic tool for improving outcomes related to post-SAH CV and DCI.
However, clinical evidence supporting its benefits remains lacking.
Given the promising preclinical data available, further studies utilizing E2 for the treatment of patients with ruptured intracranial aneurysms appear warranted.
American Psychological Association (APA)
Ding, Dale& Starke, Robert M.& Dumont, Aaron S.& Owens, Gary K.& Hasan, David M.& Chalouhi, Nohra…[et al.]. 2014. Therapeutic Implications of Estrogen for Cerebral Vasospasm and Delayed Cerebral Ischemia Induced by Aneurysmal Subarachnoid Hemorrhage. BioMed Research International،Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-493847
Modern Language Association (MLA)
Ding, Dale…[et al.]. Therapeutic Implications of Estrogen for Cerebral Vasospasm and Delayed Cerebral Ischemia Induced by Aneurysmal Subarachnoid Hemorrhage. BioMed Research International No. 2014 (2014), pp.1-9.
https://search.emarefa.net/detail/BIM-493847
American Medical Association (AMA)
Ding, Dale& Starke, Robert M.& Dumont, Aaron S.& Owens, Gary K.& Hasan, David M.& Chalouhi, Nohra…[et al.]. Therapeutic Implications of Estrogen for Cerebral Vasospasm and Delayed Cerebral Ischemia Induced by Aneurysmal Subarachnoid Hemorrhage. BioMed Research International. 2014. Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-493847
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-493847