Mitochondrial DNA efflux as a potential amplifier of systemic inflammatory network rewiring in heart failure with preserved ejection fraction - Report - MDSpire

Mitochondrial DNA efflux as a potential amplifier of systemic inflammatory network rewiring in heart failure with preserved ejection fraction

  • By

  • Xingwei Zhao

  • Shengyu Huang

  • Qiulin Li

  • Yang Yu

  • Chunxiang Zhang

  • June 22, 2026

  • 0 min

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Clinical Report: Mitochondrial DNA Release as a Potential Enhancer of Systemic Inflammatory Network Alterations in Heart Failure with Preserved Ejection Fraction

Background

HFpEF is increasingly recognized as a systemic inflammatory disease that affects multiple organs, characterized by a chronic inflammatory response. Understanding the mechanisms of inflammation and its transmission between organs is crucial for developing effective treatments. Mitochondrial DNA (mtDNA) has emerged as a significant factor in this inflammatory network, potentially influencing endothelial dysfunction and myocardial remodeling.

Data Highlights

No numerical or trial data provided in the source material.

Key Findings

  • HFpEF is a systemic disease influenced by metabolic disorders, vascular aging, and immune activation.
  • mtDNA acts as a damage-associated molecular pattern (DAMP) and may amplify inflammation in HFpEF.
  • Under stress conditions, mtDNA can activate nucleic acid sensing pathways, promoting inflammation through TLR9 and cGAS-STING.
  • mtDNA release can occur in various forms, including free DNA and extracellular vesicle-related DNA.
  • The relationship between mtDNA efflux and HFpEF progression requires further investigation through longitudinal studies.

Clinical Implications

Clinicians should consider the role of mtDNA in the inflammatory processes associated with HFpEF. Understanding these mechanisms may aid in identifying potential therapeutic targets for managing systemic inflammation in affected patients.

Conclusion

Further research is necessary to clarify the implications of mtDNA in clinical practice.

Related Resources & Content

  1. Frontiers in Immunology, 2026 -- Mitochondrial DNA-driven intercellular communication networks in post-infarction ventricular remodeling: the three-threshold model of cGAS-STING activation
  2. Frontiers in Cardiovascular Medicine, 2026 -- Methylation-centric epigenetic regulation in dilated cardiomyopathy: mechanisms, metabolic interplay, and translational potential
  3. Frontiers in Cardiovascular Medicine, 2026 -- The pathophysiological role of MiRNAs in heart failure
  4. Clinical Research in Cardiology, 2020 -- Management Strategies for Heart Failure with Preserved Ejection Fraction: Historical Perspectives, Current Practices, and Future Directions
  5. 2023 ACC Expert Consensus on Management of HFpEF: Key Points - American College of Cardiology
  6. The role of SGLT 2 inhibitors in heart failure with preserved ejection fraction (HFpEF): a systematic review and meta-analysis of randomized controlled trials
  7. Sodium-glucose co-transporter 2 inhibitors in heart failure with mildly reduced or preserved ejection fraction: an updated systematic review and meta-analysis
  8. Semaglutide in Patients with Heart Failure with Preserved Ejection Fraction and Obesity
  9. 2023 ACC Expert Consensus on Management of HFpEF: Key Points - American College of Cardiology
  10. https://academic.oup.com/eurheartj/article/44/37/3627/7246292
  11. The role of SGLT 2 inhibitors in heart failure with preserved ejection fraction (HFpEF): a systematic review and meta-analysis of randomized controlled trials | BMC Cardiovascular Disorders | Full Text
  12. Incretin-based therapies for individuals with obesity and heart failure with mildly reduced or preserved ejection fraction: A systematic review and meta-analysis of randomized controlled trials - PubMed
  13. “Circulating Inflammation” and the Plasma Proteome in Heart Failure With Preserved Ejection Fraction | JACC: Basic to Translational Science
  14. In the heart and beyond: mitochondrial dysfunction in heart failure with preserved ejection fraction (HFpEF) - PMC
  15. Mitochondrial DNA release and sensing in innate immune responses - PubMed
  16. Frontiers | Mitochondrial DNA leakage triggers inflammation in age-related cardiovascular diseases
  17. Mitochondrial dysfunction: mechanisms and advances in therapy | Signal Transduction and Targeted Therapy

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