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Updated: Mar 22, 2026

Digital PCR for Quantifying Circulating MicroRNAs in Acute Myocardial Infarction and Cardiovascular Disease
Published on: July 3, 2018
MicroRNAs as circulating biomarkers in acute coronary syndromes: A review
Fredrik Ahlin1, John Arfvidsson1, Kris G Vargas2
13rd Department of Medicine, Cardiology and Intensive Care Medicine, Wilhelminen hospital, Vienna, Austria; Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden.
Insights
MicroRNAs (miRNAs) show promise as novel biomarkers for diagnosing myocardial infarction (MI), potentially improving emergency department patient care beyond current cardiac troponin (cTn) tests for coronary artery disease (CAD).
Area of Science:
- Biomarkers and Diagnostics
- Cardiovascular Disease Research
Background:
- Coronary artery disease (CAD) is a leading global cause of mortality.
- Current diagnosis of myocardial infarction (MI) relies on cardiac troponins (cTn), but new biomarkers are needed for improved accuracy.
- MicroRNAs (miRNAs) have emerged as potential diagnostic markers across various diseases.
Purpose of the Study:
- To review recent studies on microRNAs (miRNAs) as diagnostic biomarkers for myocardial infarction (MI).
- To discuss the potential clinical utility of miRNAs in MI diagnosis and risk stratification.
Main Methods:
- Literature review of prominent studies investigating miRNAs in MI.
- Analysis of the diagnostic and prognostic value of miRNAs in the context of MI.
Main Results:
- Selected studies highlight specific miRNAs with altered expression levels in MI patients.
- miRNAs demonstrate potential for early and accurate MI detection, complementing existing biomarkers.
- Further research is needed to validate miRNA performance in diverse clinical settings.
Conclusions:
- MicroRNAs represent a promising class of novel biomarkers for myocardial infarction (MI) diagnosis.
- Integrating miRNA analysis may enhance the diagnostic and risk-stratification capabilities for MI patients.
- Continued investigation is crucial to establish miRNAs as reliable tools in clinical practice.
Abstract:
Coronary artery disease (CAD) and its complications remain the most common cause of death worldwide. Cardiac troponins (cTn) are standard biomarkers used today for diagnosis and risk stratification of myocardial infarction (MI). Increasing efforts are made to develop additional, new biomarkers for more effective and safe rule-in and rule-out of MI patients at the emergency department. During the past decade, microRNAs (miRNAs) have emerged as new, potential diagnostic biomarkers in several diseases, including MI. In this review, we aimed to summarize some of the prominent studies in the field, and discuss the potential value of miRNAs in the diagnosis of MI.
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