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Angiopoietin-2
Pathway / Endothelial activation & erosion

Angiopoietin-2

ANGPT2protein

Angiopoietin-2 promotes endothelial activation and vascular instability, destabilizing the coronary endothelium and exacerbating post-MI remodeling.

Pathway placement
Cascade stepEndothelial activation & erosion
Confidencehigh
RationaleEndothelial destabilization, vascular permeability; post-MI heart failure mediator.
Also acts inSystemic / off-pathway, Vascular inflammation
Druggability
DruggableYes
Known drugs / candidates8
Small-molecule tractableNo
Antibody tractableYes
EnsemblENSG00000091879

Type I vs Type II discrimination

ScoresIndeterminate
R — rupture / Type-I
—
C — confounder / Type-II
48
A — assay feasibility
72
E — evidence strength
18
T1DI (composite)
4
Specificity differential (R−C)-32.6
Confounder panel (Type-II drivers)
1sepsis / systemic inflammationmag 2
2anemia / acute blood lossmag 1
3hypovolemia / dehydrationmag 2
4tachyarrhythmiamag 1
5hypoxemia / respiratory failuremag 1
6hypertensive emergencymag 2
7high-demand / peri-operative stressmag 1
Coverage: 7/7 confounders with evidence
Tier: deep-scored (abstract-extracted) · 14 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)