microRNA-19a
rnamiR-19a is released during myocardial ischemia and necrosis, serving as an early circulating biomarker of acute MI.
Pathway placement
Cascade stepMyocardial injury (shared endpoint)
Confidencemedium
RationaleEarly AMI diagnosis biomarker; reflects myocardial injury and ischemic response.
Druggability
Not assessed (no mapped human gene target).
Assay & specimen
Class-level default (no specific cleared assay)— generic method inferred from analyte class; confirm against a specific product insert before use.
Specimen
Whole blood or cell-free plasma
Collection tube
PAXgene/Tempus RNA tube · K2/K3-EDTA (lavender-top)
Method / principle
RT-qPCR (TaqMan) or small-RNA sequencing
Reagent / substrate
Target-specific primers/probe; reverse transcriptase (miRNA: stem-loop RT primer)
Platform
qPCR instrument / NGS
Turnaround · availability
Research / send-out · Research (few LDTs)
Literature evidence(2)
- Molecular miR-19a in Acute Myocardial Infarction: Novel Potential Indicators of Prognosis and Early Diagnosis.Asian Pacific journal of cancer prevention : APJCP · 2020 · PMID 32334458 · doi
- Circulating microRNA-19a as a potential novel biomarker for diagnosis of acute myocardial infarction.International journal of molecular sciences · 2014 · PMID 25383678 · doi