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Epithelial CaSR deficiency alters intestinal integrity and promotes proinflammatory immune responses. | LitMetric

Epithelial CaSR deficiency alters intestinal integrity and promotes proinflammatory immune responses.

FEBS Lett

Department of Infectious Diseases and Pathology, University of Florida, Gainesville, FL 32608, USA; Division of Gastroenterology, Hepatology & Nutrition, Department of Medicine, University of Florida, Gainesville, FL 32610, USA. Electronic address:

Published: November 2014

AI Article Synopsis

Article Abstract

The intestinal epithelium is equipped with sensing receptor mechanisms that interact with luminal microorganisms and nutrients to regulate barrier function and gut immune responses, thereby maintaining intestinal homeostasis. Herein, we clarify the role of the extracellular calcium-sensing receptor (CaSR) using intestinal epithelium-specific Casr(-/-) mice. Epithelial CaSR deficiency diminished intestinal barrier function, altered microbiota composition, and skewed immune responses towards proinflammatory. Consequently, Casr(-/-) mice were significantly more prone to chemically induced intestinal inflammation resulting in colitis. Accordingly, CaSR represents a potential therapeutic target for autoinflammatory disorders, including inflammatory bowel diseases.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4234694PMC
http://dx.doi.org/10.1016/j.febslet.2014.05.007DOI Listing

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