Cathepsin G
CTSGproteinCathepsin G amplifies platelet recruitment and thrombin generation via ADP release and coagulation cascade activation.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationaleNeutrophil protease activating coagulation and platelets; endothelial erosion.
Also acts inEndothelial activation/erosion, Coagulation / thrombus
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000100448
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I63
C — confounder / Type-II60
A — assay feasibility68
E — evidence strength26
T1DI (composite)9
Specificity differential (R−C)+3.4
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(3)
- Neutrophil Cathepsin G Enhances Thrombogenicity of Mildly Injured Arteries via ADP-Mediated Platelet Sensitization.International journal of molecular sciences · 2022 · PMID 35054930 · doi
- Leukocyte adhesion and thrombosis.Current opinion in hematology · 2006 · PMID 16319685 · doi
- Desquamation of human coronary artery endothelium by human mast cell proteases: implications for plaque erosion.Coronary artery disease · 2006 · PMID 17047445 · doi