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Digital PCR for Quantifying Circulating MicroRNAs in Acute Myocardial Infarction and Cardiovascular Disease
Published on: July 3, 2018
Plasma microRNA profiling of children with idiopathic dilated cardiomyopathy
Mehmet Enes Coşkun1, Mehmet Kervancıoğlu2, Serdar Öztuzcu3
1a Department of Pediatrics , University of Gaziantep , Gaziantep , Turkey .
Insights
Researchers studied microRNAs (miRNAs) in children with dilated cardiomyopathy (DCM). They found specific miRNA levels were altered in DCM patients, suggesting potential new biomarkers for this common childhood heart condition.
Area of Science:
- Pediatric Cardiology
- Molecular Biology
- Biomarker Discovery
Background:
- Dilated cardiomyopathy (DCM) is the most prevalent cardiomyopathy in pediatric populations.
- MicroRNAs (miRNAs) are crucial regulators of gene expression with roles in various biological processes.
Purpose of the Study:
- To investigate and quantify plasma microRNA expression levels in children diagnosed with DCM.
- To identify potential differences in miRNA profiles between pediatric DCM patients and healthy controls.
Main Methods:
- Comparative analysis of plasma miRNA expression.
- Utilized a panel of 379 distinct miRNAs.
- Study cohort included 23 children with DCM and 26 healthy children.
Main Results:
- Significantly decreased expression of miR-618, miR-875-3p, miR-205, miR-194, miR-302a, miR-147, and miR-544 in DCM patients.
- Elevated expression levels observed for miR-518f and miR-454 in children with DCM.
Conclusions:
- Observed differential expression patterns of specific miRNAs in pediatric DCM.
- These miRNA alterations may serve as novel diagnostic biomarkers for dilated cardiomyopathy in children.
Context:
Dilated cardiomyopathy (DCM) is the most common cardiomyopathy in children. MicroRNAs (miRNA) are small RNAs which have regulatory functions in many biological processes.
Objective:
We aimed to determine miRNA expression levels in plasma of children with DCM.
Materials And Methods:
Plasma expression levels of 379 miRNAs were compared between 23 DCM and 26 healthy children.
Results:
The expression levels of miR-618, miR-875-3p, miR-205, miR-194, miR-302a, miR-147, and miR-544 were found decreased. The expression levels of miR-518f and miR-454 were found increased in DCM patients.
Discussion:
miRNA level differences may provide the chance of using these miRNAs as new biomarkers.

