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Aquaporin 4 in Traumatic Brain Injury: From Molecular Pathways to Therapeutic Target
Authors:Dadgostar  Ehsan  Rahimi  Shiva  Nikmanzar  Shahin  Nazemi  Sina  Naderi Taheri  Mojtaba  Alibolandi  Zahra  Aschner  Michael  Mirzaei  Hamed  Tamtaji  Omid Reza
Institution:1.Behavioral Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
;2.Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
;3.School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
;4.Department of Neurosurgery, Iran University of Medical Sciences, Tehran, Iran
;5.Tracheal Disease Research Center (TDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
;6.Students’ Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
;7.Anatomical Science Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
;8.Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
;9.Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
;
Abstract:

Traumatic brain injury (TBI) is known as an acute degenerative pathology of the central nervous system, and has been shown to increase brain aquaporin 4 (AQP4) expression. Various molecular mechanisms affect AQP4 expression, including neuronal high mobility group box 1, forkhead box O3a, vascular endothelial growth factor, hypoxia-inducible factor-1 α (HIF-1 α) sirtuin 2, NF-κB, Malat1, nerve growth factor and Angiotensin II receptor type 1. In addition, inhibition of AQP4 with FK-506, MK-801 (indirectly by targeting N-methyl-d-aspartate receptor), inactivation of adenosine A2A receptor, levetiracetam, adjudin, progesterone, estrogen, V1aR inhibitor, hypertonic saline, erythropoietin, poloxamer 188, brilliant blue G, HIF-1alpha inhibitor, normobaric oxygen therapy, astaxanthin, epigallocatechin-3-gallate, sesamin, thaliporphine, magnesium, prebiotic fiber, resveratrol and omega-3, as well as AQP4 gene silencing lead to reduced edema upon TBI. This review summarizes current knowledge and evidence on the relationship between AQP4 and TBI, and the potential mechanisms involved.

Keywords:
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