Diabetes | VOL. 68

298-LB: GLP-1 Secretion Enhancement after H. Pylori Eradication Treatment Is Related to Gut Microbiota Modification

Publication Date Jun 1, 2019


Introduction: Antibiotic treatments modify gut microbiota. Microbiota alterations (in composition and biodiversity) are fundamental pieces in the development of metabolic disorders (T2DM and obesity). Objective: To evaluate the relationship between microbiota changes due to antibiotic treatment in patients colonized by H. pylori and GLP-1 secretion. Methods: A prospective case control study was assessed. We evaluated a H. pylori positive patient model before and two months after a short-term eradication therapy and a control group. Anthropometric measurements, carbohydrate and lipid metabolisms, GLP-1 levels and fecal microbiota composition (determined by 16S rRNA gene (V3-V4) sequencing with an Illumina Miseq) were analyzed. Results: We studied 40 cases and 20 controls (60% women, respectively). Average age was 47.0±2 vs. 43.6±2.7 years. 42.5% vs. 40% had clinical history of gastrointestinal disease. After eradication treatment, we found significant changes in microbiota profile at phylum, family, genus and species levels. The Chao1 and Shannon indices showed a decreased in bacterial richness and diversity in patients (pre and post H. pylori eradication) compared to controls. GLP-1 secretion and carbohydrate metabolism were improved after antibiotic treatment. GLP-1 changes were related to microbial community disturbances through correlation analysis, specifically with Bifidobacterium adolescentis (r=0.354, p=0.034), Lachnobacterium (r=-0.332, p=0.048) and Coriobacteriaceae (r=0....

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Carbohydrate Metabolism
GLP-1 Secretion
Lilly Diabetes
Bifidobacterium Adolescentis
Changes In Microbiota Profile
Antibiotic Treatment
Novo Nordisk
Antibiotic Treatment In Patients
Regeneron Pharmaceuticals
Changes In Microbial Community

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