Dietary manipulation of the gut microbiome in inflammatory bowel disease patients: Pilot study

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Dietary manipulation of the gut microbiome in inflammatory bowel disease patients: Pilot study

Abstract

Diet is a modifiable, noninvasive, inexpensive behavior that is crucial in shaping the intestinal microbiome. A microbiome “imbalance” or dysbiosis in inflammatory bowel disease (IBD) is linked to inflammation. Here, we aim to define the impact of specific foods on bacterial species commonly depleted in patients with IBD to better inform dietary treatment. We performed a single-arm, pre-post intervention trial. After a baseline period, a dietary intervention with the IBD-Anti-Inflammatory Diet (IBD-AID) was initiated. We collected stool and blood samples and assessed dietary intake throughout the study. We applied advanced computational approaches to define and model complex interactions between the foods reported and the microbiome. A dense dataset comprising 553 dietary records and 340 stool samples was obtained from 22 participants. Consumption of prebiotics, probiotics, and beneficial foods correlated with increased abundance of Clostridia and Bacteroides, commonly depleted in IBD cohorts. We further show that specific foods categorized as prebiotics or adverse foods are correlated to levels of cytokines in serum (i.e., GM-CSF, IL-6, IL-8, TNF-alpha) that play a central role in IBD pathogenesis. By using robust predictive analytics, this study represents the first steps to detangle diet-microbiome and diet-immune interactions to inform personalized nutrition for patients suffering from dysbiosis-related IBD.

Details
Title
Dietary manipulation of the gut microbiome in inflammatory bowel disease patients: Pilot study
Type of Article
Related Research
Diets studied
IBD-AID
Date
January 8, 2022
Author(s)
Olendzki, B
Publication
Gut Microbes
Citation

 Olendzki, B., Bucci, V., Cawley, C., Maserati, R., McManus, M., Olednzki, E., Madziar, C., Chiang, D., Ward, D. V., Pellish, R., Foley, C., Bhattarai, S., McCormick, B. A., & Maldonado-Contreras, A. (2022). Dietary manipulation of the gut microbiome in inflammatory bowel disease patients: Pilot study. Gut Microbes, 14(1), 2046244. https://doi.org/10.1080/19490976.2022.2046244

ISSN Number
1949-0976, 1949-0984
Volume
14
Pages
2046244
Somebody in the kitch - view from the back while preparing healthy foods. Cutting board with various healthy foodsPink Milkshake and fruits on a white table and pink backgroundWoman stirring in a pot with vegetables.on the stove

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