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Type: Artigo
Title: Remission in Crohn's disease is accompanied by alterations in the gut microbiota and mucins production
Author: Magro, Daniela Oliveira
Santos, Andrey
Guadagnini, Dioze
de Godoy, Flavia Moreira
Monteiro Silva, Sylvia Helena
Fernandes Lemos, Wilson Jose
Vitulo, Nicola
Torriani, Sandra
Pinheiro, Lilian Vital
Real Martinez, Carlos Augusto
Abdalla Saad, Mario Jose
Rodrigues Coy, Claudio Saddy
Abstract: Previous studies have demonstrated that patients with Crohn's disease (CD) in remission do not exhibit an improvement in gut microbiota composition, which might trigger relapses. The present study investigated the dysbiosis and mucins production in CD patients during remission. We performed an analytical cross-sectional single center study, which recruited 18 CD patients and 18 healthy controls (CG) residing in the same home, meaning that all of the participants experienced the same environmental factors, with similar hygiene status, diet, pollution and other common lifestyle characteristics that may influence the composition of the gut microbiota. When compared to healthy controls, the CD patients exhibited lower microbial et-diversity (p = 0.047), a greater abundance of the Proteobacteria phylum (p = 0.037) and a reduction in the Deltaproteobacteria class (p = 0.0006). There was also a reduction in the Akkermansia (p = 0.002) and Oscillospira (p = 0.024) genera and in the proportion of the yeast Saccharomyces cerevisiae (p = 0.01). Additionally, CD patients in remission presented increased neutral (p = 0.001) and acid mucin (p = 0.002) concentrations. The reductions in the proportions of Oscollospira and Akkermansia genera, sulfate-reducing bacteria and Saccharomyces cerevisiae, observed in the CD group, may account for the increased mucins production observed in these patients.
Subject: Microbioma gastrointestinal
Doença de Crohn
Country: Reino Unido
Editor: Springer
Rights: Aberto
Identifier DOI: 10.1038/s41598-019-49893-5
Date Issue: 2019
Appears in Collections:FCM - Artigos e Outros Documentos

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