Cited by 13Gut microbiota and healthFood composition and propertiesMicrobial Metabolites in Food Biotechnology

Colonic microbiota profile characterization of the responsiveness to dietary fibre treatment in hypercholesterolemia

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Granado-Serrano, Ana Belen, Martín-Garí, Meritxell, Sánchez, Virginia, Riart Solans, Marissa, Lafarga Giribets, Antonia, Berdún, Rebeca, Vilaprinyó, Ester, Portero-Otín, Manuel +1 more·2022·Nutrients

Abstract

This study aimed to determine how the microbiota profile might be predisposed to a better response in blood lipid profiles due to dietary fibre supplementation. A three-arm intervention study that included three different fibre types (mainly insoluble, soluble, and antioxidant fibre) supplemented (19.2 g/day) during 2 months in individuals with hypercholesterolemia was developed. Changes in faecal microbiota and blood lipid profile after fibre supplementation were determined. In all volunteers, regardless of fibre type, an increase in the abundance of Bifidobacterium was observed, and similarly, an inverse relationship between faecal propionic acid and blood LDL-cholesterol, LDL particle size, and LDL/HDL particle ratio (p-values 0.0067, 0.0002, and 0.0067, respectively) was observed. However, not all volunteers presented an improvement in lipid profile. The non-responders to fibre treatment showed a decrease in microbiota diversity (Shannon and Simpson diversity index p-values of 0.0110 and 0.0255, respectively) after the intervention; where the reduction in short-chain fatty acids (SCFAs) producing bacterial genera such as Clostridium XIVa and Ruminococcus after dietary fibre treatment was the main difference. It was concluded that the non-responsiveness to dietary fibre treatment might be mediated by the lack of ability to maintain a stable SCFA producing bacteria diversity and composition after extra fibre intake.

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Authors
Granado-Serrano, A. B., Martín-Garí, M., Sánchez, V., Riart Solans, M., Lafarga Giribets, A., Berdún, R., Vilaprinyó, E., Portero-Otín, M., & Serrano, J. C. E.
Affiliations
  • NUTREN-Nutrigenomics, Department of Experimental Medicine, University of Lleida, 25198 Lleida, Spain
  • Institut Català de la Salut (ES)
  • Institut Català de la Salut, 08028 Barcelona, Spain
  • Universitat de Lleida (ES)
Corresponding author
Serrano, José C. E.
Venue
Nutrients
Publisher
MDPI AG
Published
2022-01-25
Volume
14
Issue
3
Pages
525
ISSN
2072-6643 (ISSN-L)
OpenAlex
W4210707301
Cited by
12
References
34
Citations by year
2026: 1 · 2025: 3 · 2024: 6 · 2022: 2
FWCI
0.89
Type
journal article
Language
en
Open access
Locations
  • Nutrients (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Repositori ObertUDL (University of Lleida) (submittedVersion, cc-by)
Funders
Agencia per a la Competitivit de l'Empresa (TECSPR14-0-0023)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
Keywords
colonic microbiota, dietary fiber supplementation, hypercholesterolemia, lipid profile, LDL cholesterol, LDL particle size, LDL/HDL ratio, Bifidobacterium, propionic acid, short-chain fatty acids, Clostridium XIVa, Ruminococcus, microbiome diversity, treatment response, insoluble dietary fiber, soluble dietary fiber
MeSH terms
Gastrointestinal Microbiome, Dietary Fiber, Fatty Acids, Volatile, Humans, Hypercholesterolemia, Microbiota

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