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Updated: Mar 31, 2026

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
Published on: October 15, 2019
Intestinal Microbiota Metabolism and Atherosclerosis
Tian-Xing Liu, Hai-Tao Niu, Shu-Yang Zhang1
1Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China.
Intestinal microbiota metabolism is linked to cardiovascular disease (CVD) risk. Targeting gut bacteria metabolism offers a novel therapeutic strategy for managing atherosclerosis and preventing CVD.
Area of Science:
- Microbiology
- Cardiovascular Medicine
- Metabolomics
Background:
- Cardiovascular disease (CVD) remains a leading cause of mortality worldwide.
- Emerging evidence suggests a link between the gut microbiome and CVD pathogenesis.
- Intestinal microbiota metabolism plays a crucial role in host physiology and disease.
Purpose of the Study:
- To review the association between intestinal microbiota metabolism and cardiovascular disease (CVD).
- To identify trimethylamine N-oxide (TMAO) as a potential CVD risk factor.
- To propose novel therapeutic targets for CVD based on gut microbiota metabolism.
Main Methods:
- Literature search of PubMed and EMBASE databases up to June 30, 2015.
- Inclusion of studies on intestinal microbiota metabolism, TMAO, TMA, cardiovascular disease, and atherosclerosis.
- Selection of eligible studies presenting data on TMA-containing nutrients and their metabolism.
Main Results:
- Trimethylamine N-oxide (TMAO) has been identified as a novel CVD risk factor.
- Gut microbiota catabolize TMA-containing compounds into TMA, which is converted to TMAO in the liver.
- Preliminary studies indicate a correlation between TMAO and CVD, particularly atherosclerosis, though mechanisms require further elucidation.
Conclusions:
- Intestinal microbiota metabolism is significantly associated with atherosclerosis.
- Targeting gut microbiota metabolism presents a promising therapeutic avenue for CVD management.
- Further research is warranted to fully understand and exploit this relationship for clinical benefit.
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