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Aquaporin 4 Beyond a Water Channel; Participation in Motor, Sensory, Cognitive and Psychological Performances, a Comprehensive Review Publisher Pubmed



Jazaeri SZ1, 2 ; Taghizadeh G3 ; Babaei JF4 ; Goudarzi S5 ; Saadatmand P6 ; Joghataei MT1, 2, 7, 8 ; Khanahmadi Z9
Authors

Source: Physiology and Behavior Published:2023


Abstract

Aquaporin 4 (AQP4) is a protein highly expressed in the central nervous system (CNS) and peripheral nervous system (PNS) as well as various other organs, whose different sites of action indicate its importance in various functions. AQP4 has a variety of essential roles beyond water homeostasis. In this article, we have for the first time summarized different roles of AQP4 in motor and sensory functions, besides cognitive and psychological performances, and most importantly, possible physiological mechanisms by which AQP4 can exert its effects. Furthermore, we demonstrated that AQP4 participates in pathology of different neurological disorders, various effects depending on the disease type. Since neurological diseases involve a spectrum of dysfunctions and due to the difficulty of obtaining a treatment that can simultaneously affect these deficits, it is therefore suggested that future studies consider the role of this protein in different functional impairments related to neurological disorders simultaneously or separately by targeting AQP4 expression and/or polarity modulation. © 2023 Elsevier Inc.
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