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Symptomatic atherosclerosis is associated with an altered gut metagenome
Open accessAbstract
Recent findings have implicated the gut microbiota as a contributor of metabolic diseases through the modulation of host metabolism and inflammation. Atherosclerosis is associated with lipid accumulation and inflammation in the arterial wall, and bacteria have been suggested as a causative agent of this disease. Here we use shotgun sequencing of the gut metagenome to demonstrate that the genus Collinsella was enriched in patients with symptomatic atherosclerosis, defined as stenotic atherosclerotic plaques in the carotid artery leading to cerebrovascular events, whereas Roseburia and Eubacterium were enriched in healthy controls. Further characterization of the functional capacity of the metagenomes revealed that patient gut metagenomes were enriched in genes encoding peptidoglycan synthesis and depleted in phytoene dehydrogenase; patients also had reduced serum levels of β-carotene. Our findings suggest that the gut metagenome is associated with the inflammatory status of the host and patients with symptomatic atherosclerosis harbor characteristic changes in the gut metagenome. The gut microbiota has emerged as an environmental factor that can influence the development of obesity and diabetes. Here, Karlsson et al. report compositional and functional alterations of the gut metagenome in patients with symptomatic atherosclerosis.
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“Short chain fatty acids are produced by microbiota from dietary fibers, effect host body energy homeostasis, and are protective against metabolic syndrome, type 2 diabetes mellitus, and atherosclerosis.15,45–47”
From The Gut Microbiome Contributes to a Substantial Proportion of the Variation in Blood Lipids (2015) · cites this paper as [45]
In the citing paper
“Our results indicated increased abundances of bacteria exhibiting the potential to produce TMA (by about a factor of 2) in the patient group where the abundances of key genes of both pathways were elevated (median values of 0.39 and 0.11% (patient group) versus 0.22 and 0% (controls) for cutC and cntA, respectively, as a percentage of bacteria calculated to exhibit the genes) (Additional file 8).”
From Uncovering the trimethylamine-producing bacteria of the human gut microbiota (2017) · cites this paper as [12]
In the citing paper
“Reanalysis of the dataset provided by Karlsson and colleagues [12] indicated elevated abundances of potential TMA producers in atherosclerosis patients”
From Uncovering the trimethylamine-producing bacteria of the human gut microbiota (2017) · cites this paper as [12]
In the citing paper
“a metagenomic study suggested that symptomatic atherosclerosis was associated with an altered gut microbiome.8”
From Dysbiosis of gut microbiota with reduced trimethylamine-N-oxide level in patients with large-artery atherosclerotic stroke or transient ischemic attack (2015) · cites this paper as [8]
In the citing paper
“Individuals classified as enterotype 3, which is characterized by low levels of Bacteroides, 8 have a higher incidence of symptomatic atherosclerosis.1,9”
From Bacteroides vulgatus and Bacteroides dorei Reduce Gut Microbial Lipopolysaccharide Production and Inhibit Atherosclerosis (2018) · cites this paper as [9]
In the citing paper
“Furthermore, diseases linked to dyslipidemia, such as non-alcoholic liver disease and atherosclerosis, are associated with changes in gut microbiota profile.”
From Dietary lipids, gut microbiota and lipid metabolism (2019) · cites this paper as [41]
In the citing paper
“By contrast, only a very small number of samples from patients with cardiovascular diseases have been analyzed10.”
From The gut microbiome in atherosclerotic cardiovascular disease (2017) · cites this paper as [10]
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Metadata
- Authors
- Karlsson, F. H., Fåk, F., Nookaew, I., Tremaroli, V., Fagerberg, B., Petranovic, D., Bäckhed, F., & Nielsen, J.
- Affiliations
- Chalmers University of Technology (SE)
- University of Gothenburg (SE)
- Corresponding author
- Bäckhed, Fredrik
- Nielsen, Jens
- ORCID
- Venue
- Nature Communications
- Published
- 2012-12-04
- Volume
- 3
- Issue
- 1
- Pages
- 1245-1245
- ISSN
- 2041-1723 (ISSN-L)
- PMC
- PMC3538954
- OpenAlex
- W2163940893
- Semantic Scholar
- fa78fbe4819f11f57f8abcdc9460b2aceded402d
- Cited by
- 1,371
- References
- 48
- Citations by year
- 2026: 83 · 2025: 138 · 2024: 139 · 2023: 137 · 2022: 160 · 2021: 143 · 2020: 126 · 2019: 98 · 2018: 97 · 2017: 73 · 2016: 51 · 2015: 59 · 2014: 37 · 2013: 29
- FWCI
- 16.08
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- cc-by-nc-nd
- www.springer.com/tdm (unspecified)
- Locations
- Nature Communications (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Lund University Publications (Lund University) (submittedVersion)
- Chalmers Publication Library (Chalmers University of Technology) (submittedVersion)
- Chalmers Research (Chalmers University of Technology) (submittedVersion)
- Funders
- Stiftelsen för Strategisk Forskning
- Knut och Alice Wallenbergs Stiftelse
- Vetenskapsrådet
- Sahlgrenska Universitetssjukhuset
- Göteborgs Universitet
- Fondation Chalmers
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
- Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Keywords
- gut microbiota, gut metagenome, Collinsella, Roseburia, Eubacterium, carotid artery stenosis, cerebrovascular disease, peptidoglycan biosynthesis, phytoene desaturase, beta-carotene, inflammation, lipid accumulation
- MeSH terms
- Aged, Eubacterium, Female, Humans, Inflammation, Male, Oxidoreductases, Peptidoglycan, Case-Control Studies, beta Carotene, Actinobacteria, Gastrointestinal Tract, Atherosclerosis, Metagenome
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