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Aging and heart failure (HF) patients often have sarcopenia, leading to worse outcomes. Gut microbial metabolites (GMM) may link these conditions, offering new therapeutic targets for muscle wasting.

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Area of Science:

  • Gerontology
  • Cardiology
  • Microbiology
  • Metabolomics

Background:

  • Sarcopenia, or muscle wasting, is prevalent in aging and heart failure (HF), increasing risks of falls and complications.
  • Current interventions like nutrition and exercise are underutilized, with limited understanding of patient benefits.
  • Gut microbial metabolites (GMM) are implicated in cardio-renal diseases and aging, suggesting a role in sarcopenia and HF.

Purpose of the Study:

  • To review emerging evidence on gut microbiome-derived metabolites influencing sarcopenia and HF.
  • To explore signaling pathways linking GMM, diet, and mitochondrial metabolism in these conditions.
  • To identify novel therapeutic strategies targeting GMM for preventing muscle wasting in elderly HF patients.

Main Methods:

  • Literature review of studies on gut microbiome, metabolites, sarcopenia, and heart failure.
  • Analysis of mechanistic links between GMM, dietary intake, and mitochondrial function.
  • Examination of signaling pathways involved in muscle wasting and cardiovascular disease.

Main Results:

  • Emerging evidence suggests GMM play a role in sarcopenia and HF pathogenesis.
  • Specific GMM and signaling pathways are associated with adverse outcomes in aging and cardio-renal diseases.
  • Dietary intake significantly influences GMM profiles and mitochondrial metabolism.

Conclusions:

  • Targeting GMM pathways presents a novel therapeutic avenue for sarcopenia in HF.
  • Personalized nutritional modulation based on GMM could prevent progressive muscle wasting.
  • Further research is needed to elucidate specific GMM roles and develop targeted interventions.