microRNA-21a
MIR21rnamiR-21a suppresses lipid-homeostasis genes and enhances inflammatory signaling in atherosclerotic plaque.
Pathway placement
Cascade stepLipid retention & oxidation
Confidencemedium
RationaleTargets genes in lipid metabolism and immune signaling; dysregulation in atherosclerotic tissue.
Also acts inVascular inflammation
Druggability
DruggableNo
Known drugs / candidates0
Small-molecule tractableNo
Antibody tractableNo
EnsemblENSG00000284190
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I46
C — confounder / Type-II84
A — assay feasibility50
E — evidence strength31
T1DI (composite)5
Specificity differential (R−C)-37.9
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)
- Integrated high-throughput miRNomics and lipidomics in mice with altered lipoprotein metabolism.Atherosclerosis · 2025 · PMID 41570408 · doi