Ficolin-2
FCN2proteinFicolin-2 recognizes danger-associated patterns, activating complement and promoting plaque inflammation during acute MI.
Pathway placement
Cascade stepPlaque inflammation
Confidencehigh
RationalePattern-recognition receptor; lectin-complement pathway; AMI biomarker with causal risk; elevated in exosomes.
Also acts inCoagulation / thrombus
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000160339
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I30
C — confounder / Type-II39
A — assay feasibility68
E — evidence strength16
T1DI (composite)5
Specificity differential (R−C)-9.1
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(4)
- Proteomics Analysis of Five Potential Plasma-derived Exosomal Biomarkers for Acute Myocardial Infarction.Current medicinal chemistry · 2025 · PMID 39754756 · doi
- Identification of Cardiometabolic Protein Biomarkers for Acute Myocardial Infarction Using Olink Proteomics.Journal of inflammation research · 2025 · PMID 40013238 · doi
- Factors of Long-Term Prognosis for Cardiovascular Complications in Patients After Acute Myocardial Infarction, Based on the Plasma Proteome.Kardiologiia · 2024 · PMID 39784134 · doi
- Characterization of differentially expressed plasma proteins in patients with acute myocardial infarction.Journal of proteomics · 2020 · PMID 32736138 · doi