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Acute Brain Trauma in Mice Followed By Longitudinal Two-photon Imaging
Published on: April 6, 2014
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Targeting the neurovascular unit in brain trauma
Josephine Lok1, Xiao-Shu Wang, Chang-Hong Xing
1Departments of Radiology, Neurology and Pediatrics, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA.
CNS Neuroscience & Therapeutics
|December 6, 2014
Summary
Brain trauma disrupts the neurovascular unit, affecting blood flow, neuronal signaling, and the blood-brain barrier. Effective recovery requires restoring neural, glial, and vascular connections, not just neurons.
Area of Science:
- Neuroscience
- Neurology
- Vascular Biology
Background:
- The neurovascular unit, initially a stroke framework, is crucial in CNS disorders.
- Brain trauma significantly perturbs neurovascular unit functions.
Purpose of the Study:
- To highlight the critical role of the neurovascular unit in brain trauma.
- To underscore the necessity of a holistic approach for brain trauma recovery.
Main Methods:
- Review of existing literature on neurovascular unit function in CNS disorders.
- Analysis of pathways affected by brain trauma within the neurovascular unit.
Main Results:
- Neurovascular coupling disruptions affect blood flow and metabolism.
- Impaired neuronal and glial signaling contribute to excitotoxicity.
- Altered gliovascular signaling leads to blood-brain barrier breakdown and edema.
Conclusions:
- Brain trauma necessitates the integrated restoration of neural, glial, and vascular components.
- Treating brain trauma requires rescuing the entire neurovascular unit, not solely neurons.

