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Epigenetic Mechanism and Therapeutic Implications of Atrial Fibrillation

Dan Li1, Jiali Nie1, Yu Han1

  • 1Division of Cardiology, Department of Internal Medicine and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.

Frontiers in Cardiovascular Medicine
|February 7, 2022
PubMed

Insights

Epigenetics, including DNA methylation and non-coding RNAs, plays a role in atrial fibrillation (AF) development. Understanding these epigenetic features offers new therapeutic strategies for managing this common heart arrhythmia.

Area of Science:

  • Cardiology
  • Genetics
  • Epigenetics

Background:

  • Atrial fibrillation (AF) is a prevalent arrhythmia affecting 1.5-2.0% of the global population, with incidence increasing with age.
  • Current therapies such as catheter ablation and antiarrhythmic drugs have limited success in preventing AF recurrence.
  • While genetic associations have been identified through GWAS, they have not yet translated into effective treatments.

Purpose of the Study:

  • To review the epigenetic mechanisms involved in the pathophysiology of atrial fibrillation.
  • To provide an update on the therapeutic implications of epigenetic modifications in AF management.

Main Methods:

  • Literature review focusing on epigenetic modifications in AF.
  • Analysis of studies investigating DNA methylation, histone modification, and non-coding RNAs in AF.

Main Results:

  • Epigenetic factors, including DNA methylation, histone modification, and non-coding RNAs, are increasingly recognized for their role in AF initiation and maintenance.
  • These epigenetic features represent a potential avenue for novel therapeutic interventions.

Conclusions:

  • Epigenetic mechanisms are crucial in understanding AF pathophysiology.
  • Targeting epigenetic pathways may offer promising new therapeutic strategies for atrial fibrillation, addressing limitations of current treatments.

Keywords:
DNA methylationatrial fibrillationepigenetic regulationhistone modificationnon-coding RNAs

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