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Microbiome, trimethylamine N-oxide, and cardiometabolic disease

  • W.H. Wilson Tang
    Correspondence
    Reprint requests: W.H. Wilson Tang, MD, 9500 Euclid Avenue, Desk J3-4, Cleveland, OH 44195
    Affiliations
    Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio

    Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio

    Center for Clinical Genomics, Cleveland Clinic, Cleveland, Ohio
    Search for articles by this author
  • Stanley L. Hazen
    Affiliations
    Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio

    Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
    Search for articles by this author
      There is increasing appreciation that changes in microbiome composition and function can promote long-term susceptibility for cardiometabolic risk. Gut microbe-derived metabolites that are biologically active, such as trimethylamine N-oxide (TMAO), are now recognized as contributors to atherogenesis. This review summarizes our current understanding of the role of TMAO in the pathogenesis of cardiometabolic diseases and will discuss current findings, controversies, and further perspectives in this new area of investigation. Better appreciation of the interactions between dietary nutrient intake with gut microbiota-mediated metabolism may provide clinical insights into defining individuals at risk for disease progression in cardiometabolic diseases, as well as additional potential therapeutic targets for reducing risks for cardiometabolic disease progression.

      Abbreviations:

      TMAO (trimethylamine N-amino), TMA (trimethylamine), MACE (major adverse cardiac disease), FMO3 (flavin monooxygenase 3), HF (heart failure), AngII (angiotensin II), CKD (chronic kidney disease), TGFβ (transforming growth factor β)
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