miR-126-3p
rnamiR-126-3p regulates vascular endothelial tight junctions and angiogenic signaling, serving as a circulating biomarker for endothelial activation and CAD/MI risk.
Pathway placement
Cascade stepEndothelial activation & erosion
Confidencehigh
RationaleVascular endothelial homeostasis regulator; circulating biomarker for endothelial dysfunction and CAD/MI stratification.
Also acts inVascular inflammation
Druggability
Not assessed (no mapped human gene target).
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I33
C — confounder / Type-II49
A — assay feasibility50
E — evidence strength19
T1DI (composite)4
Specificity differential (R−C)-15.4
Confounder panel (Type-II drivers)
No confounder evidence retrieved.
Tier: light (literature co-occurrence proxy — lower confidence). See the discrimination table for all markers.
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)
- Alteration of circulating miRNAs during myocardial infarction and association with lipid levels.Laboratory medicine · 2024 · PMID 38048807 · doi
- Atherosclerotic Conditions Promote the Packaging of Functional MicroRNA-92a-3p Into Endothelial Microvesicles.Circulation research · 2019 · PMID 30582459 · doi