Integrin αIIbβ3
proteinIntegrin αIIbβ3 bridges platelets via fibrinogen binding, essential for platelet-dependent thrombus formation.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationaleFibrinogen receptor; core platelet aggregation integrin; anchor.
Druggability
Not assessed (no mapped human gene target).
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I86
C — confounder / Type-II43
A — assay feasibility68
E — evidence strength32
T1DI (composite)15
Specificity differential (R−C)+42.6
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(11)
- The Aldehyde Dehydrogenase 2 rs671 Variant Enhances Platelet Activation and Arterial Thrombosis.Circulation · 2026 · PMID 41645907 · doi
- Mechanisms sensitive to different drugs mediate a proadhesive and pro-thrombotic platelet phenotype in antiphospholipid syndrome.Haematologica · 2025 · PMID 40605716 · doi
- Fibrin Monomer in Thrombosis and Haemostasis: A Clinical Biomarker and Beyond.International journal of molecular sciences · 2025 · PMID 41465254 · doi
- Decreased Platelet Reactivity and Function in a Mouse Model of Human Pancreatic Cancer.Thrombosis and haemostasis · 2023 · PMID 36716775 · doi
- Circadian nuclear receptor Rev-erbα is expressed by platelets and potentiates platelet activation and thrombus formation.European heart journal · 2022 · PMID 35267019 · doi
- Mucor circinelloides induces platelet aggregation through integrin αIIbβ3 and FcγRIIA.Platelets · 2018 · PMID 29297721 · doi
- Gintonin modulates platelet function and inhibits thrombus formation via impaired glycoprotein VI signaling.Platelets · 2018 · PMID 29870296 · doi
- High-throughput elucidation of thrombus formation reveals sources of platelet function variability.Haematologica · 2018 · PMID 30545925 · doi
- Prothrombotic platelet phenotype in major depression: downregulation by antidepressant treatment.Journal of affective disorders · 2014 · PMID 24679387 · doi
- Plant food delphinidin-3-glucoside significantly inhibits platelet activation and thrombosis: novel protective roles against cardiovascular diseases.PloS one · 2012 · PMID 22624015 · doi
- Platelet activation in flowing blood passing growing arterial thrombi.Arteriosclerosis, thrombosis, and vascular biology · 1997 · PMID 9261264 · doi