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Targeting zonulin and intestinal epithelial barrier function to prevent onset of arthritis.
Tajik, Narges Frech, Michael Schulz, Oscar Schälter, Fabian Lucas, Sébastien Azizov, Vugar Dürholz, Kerstin Steffen, Franziska Omata, Yasunori Rings, Andreas
Tajik, Narges
Frech, Michael
Schulz, Oscar
Schälter, Fabian
Lucas, Sébastien
Azizov, Vugar
Dürholz, Kerstin
Steffen, Franziska
Omata, Yasunori
Rings, Andreas
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2020-04-24
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2019-05-29
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TajikNatComm2020.pdf
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Abstract
Gut microbial dysbiosis is associated with the development of autoimmune disease, but the mechanisms by which microbial dysbiosis affects the transition from asymptomatic autoimmunity to inflammatory disease are incompletely characterized. Here, we identify intestinal barrier integrity as an important checkpoint in translating autoimmunity to inflammation. Zonulin family peptide (zonulin), a potent regulator for intestinal tight junctions, is highly expressed in autoimmune mice and humans and can be used to predict transition from autoimmunity to inflammatory arthritis. Increased serum zonulin levels are accompanied by a leaky intestinal barrier, dysbiosis and inflammation. Restoration of the intestinal barrier in the pre-phase of arthritis using butyrate or a cannabinoid type 1 receptor agonist inhibits the development of arthritis. Moreover, treatment with the zonulin antagonist larazotide acetate, which specifically increases intestinal barrier integrity, effectively reduces arthritis onset. These data identify a preventive approach for the onset of autoimmune disease by specifically targeting impaired intestinal barrier function.
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en
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2041-1723
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Attribution 4.0 International