Fermitin family homolog 3
FERMT3proteinFERMT3 is a focal adhesion protein that mediates platelet integrin activation and firm adhesion, with elevated expression marking plaque erosion and thrombosis.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationaleFocal adhesion protein mediating integrin activation; upregulated in thrombus platelets; implicated in endothelial erosion pathology.
Also acts inEndothelial activation/erosion
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableNo
Antibody tractableYes
EnsemblENSG00000149781
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I45
C — confounder / Type-II40
A — assay feasibility68
E — evidence strength19
T1DI (composite)7
Specificity differential (R−C)+4.6
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
Serum or plasma
Collection tube
Serum separator (gold/red-top, SST) · K2/K3-EDTA (lavender-top)
Method / principle
Sandwich immunoassay (ELISA) — research-grade unless a cleared assay exists
Reagent / substrate
Matched anti-target antibody pair (capture + labeled detection)
Platform
ELISA microplate or multiplex (Luminex/MSD)
Turnaround · availability
Send-out / research · Research-grade (no universal clinical assay)
Literature evidence(3)
- Proteomics Profiling Reveals Insulin-Like Growth Factor 1, Collagen Type VI α-2 Chain, and Fermitin Family Homolog 3 as Potential Biomarkers of Plaque Erosion in ST-Segment Elevated Myocardial Infarction.Circulation journal : official journal of the Japanese Circulation Society · 2020 · PMID 32350230 · doi
- The Integrin Activating Protein Kindlin-3 Is Cleaved in Human Platelets during ST-Elevation Myocardial Infarction.International journal of molecular sciences · 2019 · PMID 31817594 · doi
- Proteomic characterization of human coronary thrombus in patients with ST-segment elevation acute myocardial infarction.Journal of proteomics · 2014 · PMID 25065646 · doi