CD18
ITGB2proteinCD18 (β2-integrin) mediates monocyte and neutrophil adhesion and activation in plaque inflammation and reperfusion injury.
Pathway placement
Cascade stepPlaque inflammation
Confidencehigh
RationaleMonocyte/neutrophil adhesion integrin; leukocyte recruitment and reperfusion injury.
Also acts inPlatelet activation
Druggability
DruggableYes
Known drugs / candidates3
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000160255
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I71
C — confounder / Type-II86
A — assay feasibility72
E — evidence strength33
T1DI (composite)10
Specificity differential (R−C)-15.4
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)
- Extracellular vesicles from the lung pro-thrombotic niche drive cancer-associated thrombosis and metastasis via integrin beta 2.Cell · 2025 · PMID 39938515 · doi
- On-chip phenotypic analysis of inflammatory monocytes in atherogenesis and myocardial infarction.Proceedings of the National Academy of Sciences of the United States of America · 2013 · PMID 23918401 · doi
- Oligonucleotide microarray and QRT-PCR study of adhesion protein gene expression in acute coronary syndrome patients.Inflammation · 2010 · PMID 20306290 · doi
- Canine neutrophil activation by cardiac lymph obtained during reperfusion of ischemic myocardium.Circulation research · 1989 · PMID 2573438 · doi