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Medientyp:
E-Artikel
Titel:
Role of Connexins 30, 36, and 43 in Brain Tumors, Neurodegenerative Diseases, and Neuroprotection
Beteiligte:
Sánchez, Oscar F.;
Rodríguez, Andrea V.;
Velasco-España, José M.;
Murillo, Laura C.;
Sutachan, Jhon-Jairo;
Albarracin, Sonia-Luz
Erschienen:
MDPI AG, 2020
Erschienen in:
Cells, 9 (2020) 4, Seite 846
Sprache:
Englisch
DOI:
10.3390/cells9040846
ISSN:
2073-4409
Entstehung:
Anmerkungen:
Beschreibung:
<jats:p>Gap junction (GJ) channels and their connexins (Cxs) are complex proteins that have essential functions in cell communication processes in the central nervous system (CNS). Neurons, astrocytes, oligodendrocytes, and microglial cells express an extraordinary repertory of Cxs that are important for cell to cell communication and diffusion of metabolites, ions, neurotransmitters, and gliotransmitters. GJs and Cxs not only contribute to the normal function of the CNS but also the pathological progress of several diseases, such as cancer and neurodegenerative diseases. Besides, they have important roles in mediating neuroprotection by internal or external molecules. However, regulation of Cx expression by epigenetic mechanisms has not been fully elucidated. In this review, we provide an overview of the known mechanisms that regulate the expression of the most abundant Cxs in the central nervous system, Cx30, Cx36, and Cx43, and their role in brain cancer, CNS disorders, and neuroprotection. Initially, we focus on describing the Cx gene structure and how this is regulated by epigenetic mechanisms. Then, the posttranslational modifications that mediate the activity and stability of Cxs are reviewed. Finally, the role of GJs and Cxs in glioblastoma, Alzheimer’s, Parkinson’s, and Huntington’s diseases, and neuroprotection are analyzed with the aim of shedding light in the possibility of using Cx regulators as potential therapeutic molecules.</jats:p>