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Bursting at the Seams: Molecular Mechanisms Mediating Astrocyte Swelling

by 1,* and 2,3,4,*
1
Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA
2
Departments of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
3
Departments of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
4
Departments of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2019, 20(2), 330; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20020330
Received: 22 December 2018 / Revised: 10 January 2019 / Accepted: 11 January 2019 / Published: 15 January 2019
Brain swelling is one of the most robust predictors of outcome following brain injury, including ischemic, traumatic, hemorrhagic, metabolic or other injury. Depending on the specific type of insult, brain swelling can arise from the combined space-occupying effects of extravasated blood, extracellular edema fluid, cellular swelling, vascular engorgement and hydrocephalus. Of these, arguably the least well appreciated is cellular swelling. Here, we explore current knowledge regarding swelling of astrocytes, the most abundant cell type in the brain, and the one most likely to contribute to pathological brain swelling. We review the major molecular mechanisms identified to date that contribute to or mitigate astrocyte swelling via ion transport, and we touch upon the implications of astrocyte swelling in health and disease. View Full-Text
Keywords: astrocyte; swelling; gap junction channels; aquaporin; TRPV4; Kir4.1; Na+/K+-ATPase; NKCC; SUR1-TRPM4; VRAC astrocyte; swelling; gap junction channels; aquaporin; TRPV4; Kir4.1; Na+/K+-ATPase; NKCC; SUR1-TRPM4; VRAC
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MDPI and ACS Style

Lafrenaye, A.D.; Simard, J.M. Bursting at the Seams: Molecular Mechanisms Mediating Astrocyte Swelling. Int. J. Mol. Sci. 2019, 20, 330. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20020330

AMA Style

Lafrenaye AD, Simard JM. Bursting at the Seams: Molecular Mechanisms Mediating Astrocyte Swelling. International Journal of Molecular Sciences. 2019; 20(2):330. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20020330

Chicago/Turabian Style

Lafrenaye, Audrey D., and J. M. Simard. 2019. "Bursting at the Seams: Molecular Mechanisms Mediating Astrocyte Swelling" International Journal of Molecular Sciences 20, no. 2: 330. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20020330

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