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Modulating the gut microbiota in Crohn’s disease: a pilot study on the impact of a plant-based diet with DNA-based monitoring

Authors :
Stine Karstenskov Østergaard
Zeynep Cetin
Henrik Højgaard Rasmussen
Helle Nygaard Lærke
Mette Holst
Charlotte Lauridsen
Jeppe Lund Nielsen
Source :
Frontiers in Nutrition, Vol 11 (2024)
Publication Year :
2024
Publisher :
Frontiers Media S.A., 2024.

Abstract

IntroductionCrohn’s Disease (CD) is characterized by chronic intestinal inflammation and dysbiosis. This study aimed to investigate the effects of a plant-based diet (PBD) on gut microbiota composition and inflammation in CD patients and assess the utility of trnL gene sequencing for monitoring dietary adherence.MethodsFourteen CD patients participated in a 12-week PBD intervention. Dietary adherence was monitored through self-reported food diaries and trnL sequencing, which detects plant residues in fecal samples. Gut microbiota was analyzed using 16S rRNA sequencing, and fecal calprotectin levels were measured as an indicator of intestinal inflammation.ResultsTrnL sequencing identified 55 plant genera in fecal samples, compared to 41 reported in food diaries, highlighting its accuracy in assessing plant residue diversity. By week 4, participants demonstrated a 1.4-fold increase in plant intake, correlating with a significant increase in microbial diversity. Key genera associated with gut health, such as Faecalibacterium and Bacteroides, increased in abundance. Additionally, fecal calprotectin levels decreased from 472 mg/kg at baseline to 207 mg/kg at week 12, indicating reduced intestinal inflammation.DiscussionA PBD positively influenced gut microbiota composition and decreased intestinal inflammation in CD patients. The study also demonstrated that trnL sequencing is an effective tool for assessing dietary adherence in clinical settings, offering a more objective measure than self-reported food diaries.

Details

Language :
English
ISSN :
2296861X
Volume :
11
Database :
Directory of Open Access Journals
Journal :
Frontiers in Nutrition
Publication Type :
Academic Journal
Accession number :
edsdoj.9af0b8608a9f44408075200eb144eb9e
Document Type :
article
Full Text :
https://doi.org/10.3389/fnut.2024.1502967