Endoglin
ENGproteinEndoglin regulates endothelial function and vascular remodeling; elevated levels reflect endothelial activation and plaque neoangiogenesis associated with atherosclerosis progression.
Pathway placement
Cascade stepEndothelial activation & erosion
Confidencemedium
RationaleEndothelial dysfunction; angiogenesis and plaque neoangiogenesis; lesion progression.
Also acts inVascular inflammation
Druggability
DruggableYes
Known drugs / candidates1
Small-molecule tractableNo
Antibody tractableYes
EnsemblENSG00000106991
Type I vs Type II discrimination
ScoresType-II-associated
R — rupture / Type-I—
C — confounder / Type-II67
A — assay feasibility72
E — evidence strength60
T1DI (composite)10
Specificity differential (R−C)-51.7
Confounder panel (Type-II drivers)
1sepsis / systemic inflammationn/a
2anemia / acute blood lossn/a
3hypovolemia / dehydrationn/a
4tachyarrhythmian/a
5hypoxemia / respiratory failuremag 2
6hypertensive emergencymag 2
7high-demand / peri-operative stressn/a
Coverage: 2/7 confounders with evidence
Tier: deep-scored (abstract-extracted) · 17 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)
- Soluble endoglin reflects endothelial dysfunction in myocardial infarction patients: a retrospective observational study.International journal of medical sciences · 2025 · PMID 40765559 · doi
- Restricted T-Cell Repertoire in the Epicardial Adipose Tissue of Non-ST Segment Elevation Myocardial Infarction Patients.Frontiers in immunology · 2022 · PMID 35880176 · doi
- The role of endoglin in atherosclerosis.Atherosclerosis · 2012 · PMID 22460049 · doi
- Endothelial cells are activated during hypoxia via endoglin/ALK-1/SMAD1/5 signaling in vivo and in vitro.Biochemical and biophysical research communications · 2010 · PMID 20060813 · doi