Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions

Central nervous system (CNS) homeostasis is closely linked to the delicate balance of the microenvironment in which different cellular components of the neurovascular unit (NVU) coexist. Intercellular communication plays a pivotal role in exchanges of signaling molecules and mediators essential for...

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Main Authors: Nunzio Vicario, Rosalba Parenti
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/17/9510
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author Nunzio Vicario
Rosalba Parenti
author_facet Nunzio Vicario
Rosalba Parenti
author_sort Nunzio Vicario
collection DOAJ
description Central nervous system (CNS) homeostasis is closely linked to the delicate balance of the microenvironment in which different cellular components of the neurovascular unit (NVU) coexist. Intercellular communication plays a pivotal role in exchanges of signaling molecules and mediators essential for survival functions, as well as in the removal of disturbing elements that can lead to related pathologies. The specific signatures of connexins (Cxs), proteins which form either gap junctions (GJs) or hemichannels (HCs), represent the biological substrate of the pathophysiological balance. Connexin 43 (Cx43) is undoubtedly one of the most important factors in glia–neuro–vascular crosstalk. Herein, Cxs signatures of every NVU component are highlighted and their critical influence on functional processes in healthy and pathological conditions of nervous microenvironment is reviewed.
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spelling doaj.art-afb496392ce2427d8efecdbdb67dc9bf2023-11-23T13:11:54ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-08-012317951010.3390/ijms23179510Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological FunctionsNunzio Vicario0Rosalba Parenti1Department of Biomedical and Biotechnological Sciences (BIOMETEC), Section of Physiology, University of Catania, 95123 Catania, ItalyDepartment of Biomedical and Biotechnological Sciences (BIOMETEC), Section of Physiology, University of Catania, 95123 Catania, ItalyCentral nervous system (CNS) homeostasis is closely linked to the delicate balance of the microenvironment in which different cellular components of the neurovascular unit (NVU) coexist. Intercellular communication plays a pivotal role in exchanges of signaling molecules and mediators essential for survival functions, as well as in the removal of disturbing elements that can lead to related pathologies. The specific signatures of connexins (Cxs), proteins which form either gap junctions (GJs) or hemichannels (HCs), represent the biological substrate of the pathophysiological balance. Connexin 43 (Cx43) is undoubtedly one of the most important factors in glia–neuro–vascular crosstalk. Herein, Cxs signatures of every NVU component are highlighted and their critical influence on functional processes in healthy and pathological conditions of nervous microenvironment is reviewed.https://www.mdpi.com/1422-0067/23/17/9510intercellular communicationastrocytesmicroglianeuroinflammationneurodegenerationconnexin 43
spellingShingle Nunzio Vicario
Rosalba Parenti
Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions
International Journal of Molecular Sciences
intercellular communication
astrocytes
microglia
neuroinflammation
neurodegeneration
connexin 43
title Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions
title_full Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions
title_fullStr Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions
title_full_unstemmed Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions
title_short Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions
title_sort connexins signatures of the neurovascular unit and their physio pathological functions
topic intercellular communication
astrocytes
microglia
neuroinflammation
neurodegeneration
connexin 43
url https://www.mdpi.com/1422-0067/23/17/9510
work_keys_str_mv AT nunziovicario connexinssignaturesoftheneurovascularunitandtheirphysiopathologicalfunctions
AT rosalbaparenti connexinssignaturesoftheneurovascularunitandtheirphysiopathologicalfunctions