(Press-News.org)
Emerging discoveries are reshaping the understanding of heart failure, highlighting the crucial role of gut microbiota in disease progression. The intricate relationship between gut health and cardiovascular function is becoming increasingly evident, revealing a bidirectional interaction known as the gut-heart axis. This dynamic connection suggests that imbalances in gut microbiota composition, known as gut dysbiosis, may contribute to cardiac dysfunction, inflammation, and metabolic disturbances that accelerate heart failure.
The decline in beneficial gut bacteria and the overgrowth of harmful microbial species can lead to increased intestinal permeability, allowing toxic bacterial byproducts such as lipopolysaccharides to enter the bloodstream. These endotoxins trigger systemic inflammation and contribute to cardiac remodeling, a key factor in the worsening of heart failure. In addition, gut-derived metabolites, including trimethylamine N-oxide (TMAO), bile acids (BAs), and short-chain fatty acids (SCFAs), exert profound effects on cardiac metabolism, vascular function, and immune response. Elevated TMAO levels have been linked to an increased risk of atherosclerosis, myocardial fibrosis, and poor cardiac outcomes, while SCFAs have shown protective effects by reducing inflammation and improving energy metabolism in the heart.
Therapeutic strategies targeting gut microbiota modulation are gaining momentum, offering innovative approaches for managing heart failure. Probiotics, dietary interventions, fecal microbiota transplantation (FMT), and gut-targeted drugs are being explored to restore microbial balance and enhance cardiovascular health. Emerging evidence suggests that probiotics may help regulate immune function and reduce inflammation, while FMT holds promise for reshaping the gut ecosystem to improve cardiac function. Dietary interventions, particularly fiber-rich and Mediterranean diets, have demonstrated benefits in fostering healthy gut microbiota, which in turn supports heart health.
As research continues to uncover the complex interplay between gut microbiota and heart failure, the development of personalized gut-targeted therapies may transform the landscape of cardiovascular medicine. The potential to harness microbial modulation as a tool for preventing and treating heart failure opens new doors for precision medicine, aiming to improve patient outcomes and quality of life.
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Genes & Diseases publishes rigorously peer-reviewed and high quality original articles and authoritative reviews that focus on the molecular bases of human diseases. Emphasis is placed on hypothesis-driven, mechanistic studies relevant to pathogenesis and/or experimental therapeutics of human diseases. The journal has worldwide authorship, and a broad scope in basic and translational biomedical research of molecular biology, molecular genetics, and cell biology, including but not limited to cell proliferation and apoptosis, signal transduction, stem cell biology, developmental biology, gene regulation and epigenetics, cancer biology, immunity and infection, neuroscience, disease-specific animal models, gene and cell-based therapies, and regenerative medicine.
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Reference
Shuhong Zhao, Lingxuan Dan, Rong Huang, Zhuoyu Shen, Dan Huang, Pan Wu, Zhenguo Ma, Decoding the impact of gut microbiota on heart failure, Genes & Diseases, Volume 12, Issue 6, 2025,
101592, https://doi.org/10.1016/j.gendis.2025.101592
Funding Information:
Key Project of the National Natural Science Foundation of China 81530012
National Natural Science Foundation of China 82070410
National Natural Science Foundation of China 82270248
Young Top-notch Talent Cultivation Program of Hubei Province, China, Knowledge Innovation Program of Wuhan-Basic Research (China)
Fundamental Research Funds for the Central Universities (China) 2042021kf0205
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