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Open Access The Gut Microbiota and Atherosclerosis: The State of the Art and Novel Perspectives

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The human gut microbiota is composed of more than 100 trillion microbes. Most communities are dominated by species belonging to the phyla Bacteroidetes, Firmicutes, Actinobacteria, Proteobacteria, and Verrucomicrobia. Microflora-derived short-chain fatty acids play a pivotal role in the framework of insulin resistance, obesity, and metabolic syndrome. They are an important energy source and are involved in several pathways, with proatherogenic and antiatherogenic effects. The increased gut microbiota lipopolysaccharide levels (defined as “metabolic endotoxemia”) induce a state of low-grade inflammation and are involved in atherosclerotic disease through Toll-like receptor 4. Another important inflammatory trigger in gut microbiota‐mediated atherosclerotic promotion is trimethylamine N-oxide. On the other hand, protocatechuic acid was found to promote cholesterol efflux from macrophages, showing an antiatherogenic effect. Further studies to clarify specific gut composition involved in cardiometabolic syndrome and atherogenesis are needed for greater use of targeted approaches.
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Keywords: atherosclerosis; gut microbiota; metabolic syndrome

Document Type: Research Article

Publication date: 01 September 2016

More about this publication?
  • Cardiovascular Innovations and Applications (CVIA) publishes focused articles and original clinical research that explore novel developments in cardiovascular disease, effective control and rehabilitation in cardiovascular disease, and promote cardiovascular innovations and applications for the betterment of public health globally. The journal publishes basic research that has clinical applicability in order to promote timely communication of the latest insights relating to coronary artery disease, heart failure, hypertension, cardiac arrhythmia, prevention of cardiovascular disease with a heavy emphasis on risk factor modification. Cardiovascular Innovations and Applications is the official journal of the Great Wall International Congress of Cardiology (GW-ICC). It aims to continue the work of the GW-ICC by providing a global scientific communication platform for cardiologists that bridges East and West.

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