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Updated: Feb 8, 2026

A Murine Model of Subarachnoid Hemorrhage
Published on: November 21, 2013
Endothelial Cell Dysfunction and Injury in Subarachnoid Hemorrhage
T Peeyush Kumar1, Devin W McBride2, Pramod K Dash3
1The Vivian L. Smith Department of Neurosurgery, University of Texas Health Science Center, 6431 Fannin St., Houston, TX, 77030, USA. Peeyush.K.Thankamanipandit@uth.tmc.edu.
Aneurysmal subarachnoid hemorrhage damages brain endothelial cells and the blood-brain barrier. Understanding these injury mechanisms is key to developing new therapies for better clinical outcomes.
Area of Science:
- Neuroscience
- Vascular Biology
- Cell Biology
Background:
- Vascular endothelial cells in the brain regulate blood viscosity and flow, acting as a crucial interface.
- Aneurysmal subarachnoid hemorrhage (aSAH) leads to early brain injury and delayed cerebral ischemia, impacting clinical outcomes.
- The cerebral vasculature is a therapeutic target due to its rapid disruption and continued damage post-aSAH.
Purpose of the Study:
- To review current understanding of endothelial cell injury following aSAH.
- To highlight the role of blood-brain barrier dysfunction in cerebral injury.
- To identify potential novel therapeutic targets by understanding injury mechanisms.
Main Methods:
- Literature review of endothelial cell injury mechanisms in aSAH.
- Analysis of blood-brain barrier breakdown pathways.
- Synthesis of current knowledge on delayed cerebral ischemia.
Main Results:
- Endothelial cell injury and blood-brain barrier dysfunction are critical in aSAH.
- Damage to cerebral vasculature persists into the delayed injury phase.
- Current therapies have limited success in improving clinical outcomes.
Conclusions:
- Re-evaluation of therapeutic approaches for aSAH is warranted.
- Understanding endothelial cell injury mechanisms may reveal novel therapeutic targets.
- Focusing on the blood-brain barrier is crucial for improving patient outcomes.
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