Roles of connexins and pannexins in digestive homeostasis

Michaël Maes, Bruno Cogliati, Sara Crespo Yanguas, Joost Willebrords, Mathieu Vinken

Onderzoeksoutput: Articlepeer review

29 Citaten (Scopus)

Samenvatting

Connexin proteins are abundantly present in the digestive system. They primarily form gap junctions, which control the intercellular exchange of critical homeostasis regulators. By doing so, gap junctions drive a plethora of gastrointestinal and hepatic functional features, including gastric and gut motility, gastric acid secretion, intestinal innate immune defense, xenobiotic biotransformation, glycogenolysis, bile secretion, ammonia detoxification and plasma protein synthesis. In the last decade, it has become clear that connexin hemichannels, which are the structural precursors of gap junctions, also provide a pathway for cellular communication, namely between the cytosol and the extracellular environment. Although merely pathological functions have been described, some physiological roles have been attributed to connexin hemichannels, in particular in the modulation of colonic motility. This equally holds true for cellular channels composed of pannexins, connexin-like proteins recently identified in the intestine and the liver, which have become acknowledged key players in inflammatory processes and that have been proposed to control colonic motility, secretion and blood flow.
Originele taal-2English
Pagina's (van-tot)2809-2821
Aantal pagina's13
TijdschriftCellular and Molecular Life Sciences
Volume72
Nummer van het tijdschrift15
Vroegere onlinedatum18 jun 2015
DOI's
StatusPublished - 1 aug 2015

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