11-dehydrothromboxane B2
metabolite11-dehydrothromboxane B2 is the stable metabolite of thromboxane A2, marking COX-1-driven platelet activation and recruitment.
Pathway placement
Cascade stepThromboxane amplification
Confidencehigh
RationaleAnchor marker of thromboxane A2 generation and platelet activation.
Also acts inPlatelet activation
Druggability
Not assessed (no mapped human gene target).
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, plasma or urine
Collection tube
Serum separator (gold/red-top, SST) · Lithium heparin (green-top) · Sterile urine container
Method / principle
LC-MS/MS (targeted metabolomics) or enzymatic colorimetric where available
Reagent / substrate
Stable-isotope-labeled internal standard (MS); or enzyme-coupled Trinder reagent
Platform
LC-MS/MS; some automated chemistry
Turnaround · availability
Send-out / research · Specialized / research
Literature evidence(1)
- Gender differences in thrombogenicity among patients with angina and non-obstructive coronary artery disease.Journal of thrombosis and thrombolysis · 2019 · PMID 31218482 · doi