The Roles of Exosome-Derived microRNAs in Cardiac Fibrosis

Xinyuan Tang1,2,3,4, Mingyang Leng1,2,3,4, Wenyue Tang1,2,3,4

  • 1Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China.

PubMed

Insights

Cardiovascular disease (CVD) and myocardial fibrosis (MF) lack effective treatments. Exosomal microRNAs (miRNAs) show promise for diagnosing and treating these conditions, offering potential biotherapies.

Area of Science:

  • Cardiovascular Research
  • Biotechnology
  • Molecular Biology

Background:

  • Cardiovascular disease (CVD) is a leading cause of mortality, exacerbated by challenges in early diagnosis and treatment.
  • Myocardial fibrosis (MF) is a detrimental process in CVD progression, currently lacking effective therapeutic strategies.
  • Exosomes mediate intercellular communication via transported bioactive molecules, including microRNAs (miRNAs).

Purpose of the Study:

  • To review the biological characteristics of exosomes and exosomal miRNAs.
  • To explore the role and mechanisms of cell-derived exosomal miRNAs in myocardial fibrosis.
  • To highlight the diagnostic and therapeutic potential of exosomal miRNAs for cardiac fibrosis.

Main Methods:

  • Literature review focusing on exosomes, exosomal miRNAs, and myocardial fibrosis.
  • Analysis of studies investigating miRNA involvement in cardiovascular diseases like coronary heart disease (CHD), atrial fibrillation (AF), and heart failure (HF).
  • Exploration of exosomal miRNA functions in the pathogenesis of myocardial fibrosis.

Main Results:

  • Exosomes serve as crucial mediators of intercellular communication in cardiovascular contexts.
  • Specific exosomal miRNAs are implicated in the development and progression of myocardial fibrosis.
  • MiRNAs demonstrate significant potential in the diagnosis and treatment of various cardiovascular diseases.

Conclusions:

  • Exosomes and exosomal miRNAs play a pivotal role in myocardial fibrosis.
  • Exosomal miRNAs offer promising avenues for the diagnosis and treatment of cardiac fibrosis.
  • These vesicles hold potential as novel biotherapies and drug delivery systems for cardiovascular conditions.