CD73
NT5EproteinCD73 5'-nucleotidase converts AMP to adenosine, which signals through adenosine receptors to inhibit platelet activation.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationaleAMP dephosphorylation generates adenosine; modulates thrombosis.
Druggability
DruggableYes
Known drugs / candidates1
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000135318
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I53
C — confounder / Type-II83
A — assay feasibility72
E — evidence strength31
T1DI (composite)8
Specificity differential (R−C)-30.1
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(5)
- Thrombo-Inflammation: A Focus on NTPDase1/CD39.Cells · 2021 · PMID 34571872 · doi
- Metabolomic profiling of metoprolol-induced cardioprotection in a murine model of acute myocardial ischemia.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2020 · PMID 31972362 · doi
- Role of the CD39/CD73 Purinergic Pathway in Modulating Arterial Thrombosis in Mice.Arteriosclerosis, thrombosis, and vascular biology · 2016 · PMID 27417582 · doi
- Extracellular ATP metabolism on vascular endothelial cells: A pathway with pro-thrombotic and anti-thrombotic molecules.Vascular pharmacology · 2015 · PMID 25989108 · doi
- NTPDase and 5'-nucleotidase activities in physiological and disease conditions: new perspectives for human health.BioFactors (Oxford, England) · 2007 · PMID 18806312 · doi