Fractalkine (CX3CL1)
CX3CL1proteinMonocyte-adhesion molecule and platelet–leukocyte crosstalk mediator in plaque inflammation and atherothrombotic thrombus formation.
Pathway placement
Cascade stepPlaque inflammation
Confidencehigh
RationaleTransmembrane chemokine mediating monocyte adhesion and platelet–leukocyte crosstalk in atherothrombosis.
Also acts inCap degradation / rupture, Platelet activation
Druggability
DruggableYes
Known drugs / candidates1
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000006210
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I56
C — confounder / Type-II72
A — assay feasibility72
E — evidence strength28
T1DI (composite)8
Specificity differential (R−C)-16
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)
Human genetic evidence
0.015
Open Targets association (STEMI)
Literature evidence(3)
- Associations between inflammatory and angiogenic proteomic biomarkers, and cardiovascular events and mortality in relation to kidney function.Clinical kidney journal · 2024 · PMID 38524235 · doi
- Changes in fractalkine in patients with ST-elevation myocardial infarction.Coronary artery disease · 2015 · PMID 26049921 · doi
- Associations between circulating proteins and corresponding genes expressed in coronary thrombi in patients with acute myocardial infarction.Thrombosis research · 2015 · PMID 26475405 · doi