Cited by 73Microbial Metabolites in Food BiotechnologyGut microbiota and healthRegulation of Appetite and Obesity

Interactive effects of oligofructose and obesity predisposition on gut hormones and microbiota in diet-induced obese rats

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Cluny, Nina L., Eller, Lindsay K., Keenan, Catherine M., Reimer, Raylene A., Sharkey, Keith A.·2015·Obesity

Abstract

OBJECTIVE: Oligofructose (OFS) is a prebiotic that reduces energy intake and fat mass via changes in gut satiety hormones and microbiota. The effects of OFS may vary depending on predisposition to obesity. The aim of this study was to examine the effect of OFS in diet-induced obese (DIO) and diet-resistant (DR) rats. METHODS: Adult, male DIO, and DR rats were randomized to: high-fat/high-sucrose (HFS) diet or HFS diet + 10% OFS for 6 weeks. Body composition, food intake, gut microbiota, plasma gut hormones, and cannabinoid CB(1) receptor expression in the nodose ganglia were measured. RESULTS: OFS reduced body weight, energy intake, and fat mass in both phenotypes (P < 0.05). Select gut microbiota differed in DIO versus DR rats (P < 0.05), the differences being eliminated by OFS. OFS did not modify plasma ghrelin or CB(1) expression in nodose ganglia, but plasma levels of GIP were reduced and PYY were elevated (P < 0.05) by OFS. CONCLUSIONS: OFS was able to reduce body weight and adiposity in both prone and resistant obese phenotypes. OFS-induced changes in gut microbiota profiles in DIO and DR rats, along with changes in gut hormone levels, likely contribute to the sustained lower body weights.

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  • Oligofructose does not change plasma ghrelin levels in obese rats fed high fat/high sucrose diet.

    “However, oligofructose does not change plasma ghrelin levels in obese rats fed a high fat/high sucrose diet [203].”

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  1. Wing RR, Hill JO. Successful weight loss maintenance. Annu Rev Nutr 2001;21: 323-341.

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Authors
Cluny, N. L., Eller, L. K., Keenan, C. M., Reimer, R. A., & Sharkey, K. A.
Affiliations
University of Calgary (CA)
Corresponding author
Reimer, Raylene A.
Venue
Obesity
Publisher
Wiley
Published
2015-03-27
Volume
23
Issue
4
Pages
769-778
ISSN
  • 1930-7381 (ISSN-L)
  • 1930-739X
OpenAlex
W2164308461
Cited by
72
References
40
Citations by year
2025: 5 · 2024: 4 · 2023: 7 · 2022: 8 · 2021: 8 · 2020: 12 · 2019: 6 · 2018: 7 · 2017: 4 · 2016: 8 · 2015: 3
FWCI
7.06
Type
journal article
Language
en
Open access
Locations
  • Obesity (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research (MOP 115076-1, MOP 38185, OTG 88592)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
fructooligosaccharides, prebiotics, diet-induced obesity, obesity predisposition, gut microbiota, gastrointestinal hormones, ghrelin, glucagon-like peptide-1, peptide YY, CB1 receptor, nodose ganglion, high-fat high-sugar diet, adiposity, energy intake, body weight
MeSH terms
Animals, Body Composition, Body Weight, Diet, Dietary Fats, Eating, Gastrointestinal Hormones, Male, Obesity, Oligosaccharides, Satiation, Rats, Sprague-Dawley, Adiposity, Rats, Glucagon-Like Peptide 1, Ghrelin, Prebiotics, Microbiota

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