Circulating MicroRNAs: Biogenesis and Clinical Significance in Acute Myocardial Infarction

Lei Zhang1, Han Ding1, Yuan Zhang1

  • 1Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China.

Frontiers in Physiology
|October 5, 2020
PubMed

Insights

Circulating microRNAs (miRNAs) show promise as early diagnostic biomarkers for acute myocardial infarction (AMI). These stable molecules offer potential for improved AMI diagnosis and prognosis, aiding clinical decisions.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cardiology

Background:

  • Acute myocardial infarction (AMI) is a leading cause of global mortality.
  • Early diagnosis of AMI is crucial for effective treatment and improved patient outcomes.
  • MicroRNAs (miRNAs) are implicated in the pathological processes of AMI.

Purpose of the Study:

  • To evaluate the diagnostic and prognostic roles of circulating miRNAs in AMI.
  • To synthesize existing data on circulating miRNAs for clinical application in AMI.
  • To explore the potential of circulating miRNAs as early diagnostic biomarkers for AMI.

Main Methods:

  • Systematic review of current knowledge on AMI development and circulating miRNA formation.
  • Analysis of potential roles of circulating miRNAs in AMI diagnosis, prognosis, and therapy.
  • Discussion of challenges and clinical perspectives for circulating miRNA application in AMI diagnosis.

Main Results:

  • Circulating miRNAs are stable in bodily fluids and exhibit early elevation compared to traditional diagnostic markers.
  • miRNAs demonstrate tissue and disease specificity, enhancing their potential as biomarkers.
  • Existing studies suggest circulating miRNAs are promising for early AMI diagnosis and prognosis.

Conclusions:

  • Circulating miRNAs possess characteristics suitable for early AMI diagnosis.
  • Despite current limitations, circulating miRNAs hold significant potential for clinical application in AMI.
  • Further research is needed to overcome challenges before widespread clinical adoption for AMI management.

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