Composition and Function of Gut Microbiota in Porto-sinusoidal Vascular Disease Associated With Variable Common Immunodeficiency

Overview

This aim of this study is the evaluation of the gut microbiota imbalance occurrence and its characterization in patients with common variable immunodeficiency associated to an enteropathy with or without porto-sinusoidal vascular disease.

Common variable immunodeficiency (CVID) is the most common symptomatic humoral deficiency in adults and is accompanied by digestive symptoms. It is associated with intestinal dysbiosis and half of the patients exert a clinical digestive disease, called enteropathy. Hepatic complications characterized by porto-sinusoidal vascular disease are observed in 10% of the CVID patients. This complication is associated with a high morbi-mortality. In our center experience and in the literature, clinical occurrence of enteropathy and hepatic disease are highly correlated. Considering (i) the anatomical link between the intestinal tractus and the portal circulation, (ii) the clinical correlation between enteropathy and the liver disease and (iii) the established relation between gut microbiota and alcoholic cirrhosis, we speculate that patients whom develop portosinusoidal complications exert a peculiar intestinal dysbiosis. This study could contribute to a better understanding of the hepatic disease development, hence allowing us to suggest novel therapies based on gut microbiota modification.

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Central Contacts