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

Nunzio Vicario, Rosalba Parenti

International journal of molecular sciences 2022 Aug 23

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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.

Citation

Nunzio Vicario, Rosalba Parenti. Connexins Signatures of the Neurovascular Unit and Their Physio-Pathological Functions. International journal of molecular sciences. 2022 Aug 23;23(17)