miR-222
rnamiR-222 regulates vascular remodeling and endothelial function influencing plaque stability and coronary stenosis severity.
Pathway placement
Cascade stepFibrous-cap degradation & rupture
Confidencemedium
RationalemiRNA linked to vascular remodeling and endothelial dysfunction in coronary stenosis.
Also acts inEndothelial activation/erosion
Druggability
Not assessed (no mapped human gene target).
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I33
C — confounder / Type-II52
A — assay feasibility50
E — evidence strength20
T1DI (composite)4
Specificity differential (R−C)-18.6
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(1)
- Associations of Circulating microRNA-221 and 222 With the Severity of Coronary Artery Lesions in Acute Coronary Syndrome Patients.Angiology · 2021 · PMID 34330158 · doi