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Published in: European Journal of Nutrition 1/2022

01-02-2022 | Constipation | Original Contribution

Dietary inflammatory index and its relationship with gut microbiota in individuals with intestinal constipation: a cross-sectional study

Authors: Lorena M. Costa, Marcela M. Mendes, Amanda C. Oliveira, Kelly G. Magalhães, Nitin Shivappa, James R. Hebert, Teresa H. M. da Costa, Patrícia B. Botelho

Published in: European Journal of Nutrition | Issue 1/2022

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Abstract

Objective

To determine whether there is an association between the inflammatory potential of the diet, measured by the dietary inflammatory index (DII®), and the composition of intestinal microbiota in adults with functional constipation (FC).

Methods

A cross-sectional study was carried out with 68 adults with FC. Energy-adjusted DII (E-DII) was calculated from data obtained from food surveys, serum inflammation markers were measured and the composition of the intestinal microbiota was evaluated using the 16S rRNA gene sequencing method. Participants were assigned into two groups: anti-inflammatory diet (AD: E-DII < 0) and pro-inflammatory diet (PD: E-DII ≥ 0). Associations of E-DII scores with microbial diversity and composition were examined using differences between the E-DII groups and linear and hierarchical regression.

Results

E- DII was inversely correlated with relative abundance of Hungatella spp. and Bacteroides fragilis and positively correlated with Bacteroides thetaiotaomicron and Bacteroides caccae (p < 0.05). B. fragilis was positively correlated with IL-10. The AD group had higher relative abundances for the genus Blautia and Hungatella, lower abundances of Bacteroides thetaiotamicron and Bacteroides spp. (p < 0.05), as well as higher frequency of evacuation (p = 0.02) and lower use of laxatives (p = 0.05). The AD group showed a reduction in the abundance of Desulfovibrio spp. and Butyrivibrio, Butyrivibrio crossotus, Bacteroides clarus, Bacteroides coprophilus and Bacteroides intestinalis (all p < 0.05). The greater abundance of Bacteroides clarus increased the individual's chance of performing a manual evacuation maneuver.

Conclusion

Therefore, the results of this study demonstrated that the inflammatory potential of the diet is associated with the gut microbiota in individuals with FC.
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Metadata
Title
Dietary inflammatory index and its relationship with gut microbiota in individuals with intestinal constipation: a cross-sectional study
Authors
Lorena M. Costa
Marcela M. Mendes
Amanda C. Oliveira
Kelly G. Magalhães
Nitin Shivappa
James R. Hebert
Teresa H. M. da Costa
Patrícia B. Botelho
Publication date
01-02-2022
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Nutrition / Issue 1/2022
Print ISSN: 1436-6207
Electronic ISSN: 1436-6215
DOI
https://doi.org/10.1007/s00394-021-02649-2

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