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Mechanisms and intervention strategies of TMAO (Trimethylamine NOxide) in abdominal aortic aneurysm

Cardiology +

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May 11, 2025

|

May 11, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Trimethylamine N-oxide (TMAO) contributes to abdominal aortic aneurysm (AAA) by promoting inflammation and cellular damage. Dietary and gut microbiota interventions show promise but require further investigation for AAA management.

Area Of Science

  • Cardiovascular Research
  • Metabolomics
  • Gut Microbiome Studies

Background

  • Trimethylamine N-oxide (TMAO) is a gut microbiota metabolite linked to cardiovascular diseases.
  • TMAO is implicated in various pathological processes relevant to abdominal aortic aneurysm (AAA).

Purpose Of The Study

  • To comprehensively review the role of TMAO in the pathogenesis of AAA.
  • To explore TMAO's association with AAA risk factors and potential intervention strategies.

Main Methods

  • Literature review of studies investigating TMAO's involvement in AAA.
  • Analysis of TMAO's impact on inflammation, apoptosis, and extracellular matrix remodeling in AAA.

Main Results

  • TMAO promotes AAA by inducing inflammation, macrophage polarization, and vascular smooth muscle cell activation.
  • TMAO exacerbates atherosclerosis, hypertension, and diabetes, key AAA risk factors.
  • Dietary changes (e.g., Mediterranean diet) and gut microbiota modulation are potential TMAO-lowering strategies.

Conclusions

  • TMAO plays a significant role in AAA development and progression.
  • Targeting TMAO through diet and gut microbiota modulation offers potential therapeutic avenues for AAA.
  • Further research is needed to validate TMAO-targeted interventions for clinical application in AAA.