Annexin V
ANXA5proteinAnnexin V enhances platelet and leukocyte microparticle–mediated thrombin generation during acute coronary thrombosis.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationalePhosphatidylserine-binding cofactor for procoagulant microparticle-driven thrombin generation.
Also acts inMyocardial injury, Coagulation / thrombus
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000164111
Type I vs non-Type I discrimination
ScoresIndeterminate
R — rupture / Type-I—
C — non-Type-I44
A — assay feasibility68
E — evidence strength31
T1DI (composite)7
Specificity differential (R−C)-29.4
Non-Type-I axis panel
Does this marker also move in each non-Type-I setting? mag 0–3; higher means less Type-I-specific. n/a = no evidence retrieved, which is not the same as no change.
2sepsis / systemic inflammationn/a
2anemia / acute blood lossn/a
2hypovolemia / dehydrationn/a
2tachyarrhythmian/a
2hypoxemia / respiratory failuren/a
2hypertensive emergencyn/a
2high-demand / peri-operative stressn/a
3sudden cardiac deathn/a
4aPCI-related periproceduralmag 2
4bstent thrombosisn/a
4cin-stent restenosismag 1
5CABG-relatedmag 1
Coverage: 3/12 axes with evidence
Tier: deep-scored (abstract-extracted) · 8 supporting references. 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)
- Circulating microparticle signature in coronary and peripheral blood of ST elevation myocardial infarction patients in relation to pain-to-PCI elapsed time.International journal of cardiology · 2015 · PMID 26432487 · doi
- Microparticle release in remote ischemic conditioning mechanism.American journal of physiology. Heart and circulatory physiology · 2012 · PMID 22886414 · doi
- Annexin A5: an imaging biomarker of cardiovascular risk.Basic research in cardiology · 2008 · PMID 18324365 · doi
- Platelet activation as a marker for in vivo prothrombotic activity: detection by flow cytometry.Journal of biological regulators and homeostatic agents · 2004 · PMID 15471223