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Exercise Training Modulates Gut Microbiota Profile and Improves Endotoxemia
Open accessAbstract
Introduction: Intestinal metabolism and microbiota profiles are impaired in obesity and insulin resistance. Moreover, dysbiotic gut microbiota has been suggested to promote systemic low-grade inflammation and insulin resistance through the release of endotoxins particularly lipopolysaccharides. We have previously shown that exercise training improves intestinal metabolism in healthy men. To understand whether changes in intestinal metabolism interact with gut microbiota and its release of inflammatory markers, we studied the effects of sprint interval (SIT) and moderate-intensity continuous training (MICT) on intestinal metabolism and microbiota in subjects with insulin resistance. Methods: Twenty-six, sedentary subjects (prediabetic, n = 9; type 2 diabetes, n = 17; age, 49 [SD, 4] yr; body mass index, 30.5 [SD, 3]) were randomized into SIT or MICT. Intestinal insulin-stimulated glucose uptake (GU) and fatty acid uptake (FAU) from circulation were measured using positron emission tomography. Gut microbiota composition was analyzed by 16S rRNA gene sequencing and serum inflammatory markers with multiplex assays and enzyme-linked immunoassay kit. Results: V˙O 2peak improved only after SIT ( P = 0.01). Both training modes reduced systematic and intestinal inflammatory markers (tumor necrosis factor-α, lipopolysaccharide binding protein) (time P < 0.05). Training modified microbiota profile by increasing Bacteroidetes phylum (time P = 0.03) and decreasing Firmicutes/Bacteroidetes ratio (time P = 0.04). Moreover, there was a decrease in Clostridium genus (time P = 0.04) and Blautia (time P = 0.051). Only MICT decreased jejunal FAU ( P = 0.02). Training had no significant effect on intestinal GU. Colonic GU associated positively with Bacteroidetes and inversely with Firmicutes phylum, ratio Firmicutes/Bacteroidetes and Blautia genus. Conclusions: Intestinal substrate uptake associates with gut microbiota composition and whole-body insulin sensitivity. Exercise training improves gut microbiota profiles and reduces endotoxemia.
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“lower abundance of Blautia genus was associated with better whole-body insulin sensitivity.”
From The athletic gut microbiota (2020) · cites this paper as [109]
In the citing paper
“Bacteroidetes increased and the Firmicutes/Bacteroidetes ratio decreased.”
From The athletic gut microbiota (2020) · cites this paper as [109]
In the citing paper
“both high intensity interval and moderate continuous training affected the gut microbiota in insulin resistant, sedentary individuals following a 2-week exercise intervention [109].”
From The athletic gut microbiota (2020) · cites this paper as [109]
In the citing paper
“There was also a decrease in Clostridium and Blautia genera.”
From The athletic gut microbiota (2020) · cites this paper as [109]
In the citing paper
“These results highlight the importance of intestinal substrate uptake on the whole-body and changes, especially in glucose uptake, might have a positive effect on the gut microbiota.”
From The athletic gut microbiota (2020) · cites this paper as [109]
In the citing paper
“colonic glucose concentrations associated positively with Bacteroidetes and inversely with Firmicutes phylum, the Firmicutes/Bacteroidetes ratio, and Blautia genus.”
From The athletic gut microbiota (2020) · cites this paper as [109]
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“, 2019, Finland [109] Obese sedentary, prediabetic/type 2 diabetic males and females; n = 26 (n = 9, n = 17 respectfully); 49 ± 4 years Parallel group design 16S rRNA gene amplification of the V3 and V4 regions Exercise groups: • Sprint interval training group; 30 s exercise bouts (4–6) of all out cycling efforts with…”
BackgroundMethodInfluentialInterplay Between Exercise and Gut Microbiome in the Context of Human Health and Performance
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Metadata
- Authors
- MOTIANI, K. K., COLLADO, M. C., ESKELINEN, J.-J., VIRTANEN, K. A., LÖYTTYNIEMI, E., SALMINEN, S., NUUTILA, P., KALLIOKOSKI, K. K., & HANNUKAINEN, J. C.
- Affiliations
- University of Turku (FI)
- Consejo Superior de Investigaciones Científicas (ES)
- Turku University Hospital (FI)
- ORCID
- Venue
- Medicine & Science in Sports & Exercise
- Published
- 2019-08-19
- Volume
- 52
- Issue
- 1
- Pages
- 94-104
- ISSN
- 0195-9131 (ISSN-L)
- 1530-0315
- PMC
- PMC7028471
- OpenAlex
- W2969245839
- Cited by
- 333
- References
- 54
- Citations by year
- 2026: 39 · 2025: 68 · 2024: 64 · 2023: 58 · 2022: 48 · 2021: 40 · 2020: 13 · 2019: 2
- FWCI
- 8.52
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Medicine & Science in Sports & Exercise (publishedVersion, cc-by-nc-nd)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by-nc-nd)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
- Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
- Keywords
- exercise training, gut microbiota, endotoxemia, lipopolysaccharide, insulin resistance, type 2 diabetes, prediabetes, sprint interval training, moderate-intensity continuous training, intestinal glucose absorption, fatty acid uptake, Bacteroidetes, Firmicutes/Bacteroidetes ratio, Blautia, Clostridium, low-grade inflammation, intestinal metabolism
- MeSH terms
- Gastrointestinal Microbiome, Lipopolysaccharide-Binding Protein, Acute-Phase Proteins, Carrier Proteins, Diabetes Mellitus, Type 2, Female, Humans, Inflammation, Insulin Resistance, Intestinal Mucosa, Male, Membrane Glycoproteins, Middle Aged, Obesity, Oxygen Consumption, Prediabetic State, Tumor Necrosis Factor-alpha, Biomarkers, Body Mass Index, Endotoxemia, Physical Conditioning, Human
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