VEGFR-2 (KDR)
KDRproteinVEGFR-2 on circulating endothelial cells and EPCs marks endothelial activation, injury and angiogenic response in Type 1 MI.
Pathway placement
Cascade stepEndothelial activation & erosion
Confidencemedium
RationaleEndothelial progenitor cell marker; endothelial activation.
Also acts inSystemic / off-pathway
Druggability
DruggableYes
Known drugs / candidates75
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000128052
Type I vs Type II discrimination
ScoresShared / rises in both
R — rupture / Type-I67
C — confounder / Type-II67
A — assay feasibility72
E — evidence strength28
T1DI (composite)10
Specificity differential (R−C)0
Confounder panel (Type-II drivers)
1sepsis / systemic inflammationmag 2
2anemia / acute blood lossn/a
3hypovolemia / dehydrationn/a
4tachyarrhythmian/a
5hypoxemia / respiratory failuren/a
6hypertensive emergencyn/a
7high-demand / peri-operative stressn/a
Coverage: 1/7 confounders with evidence
Tier: deep-scored (abstract-extracted) · 3 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(9)
- Neonatal Plasma Exosomes Contribute to Endothelial Cell-Mediated Angiogenesis and Cardiac Repair after Acute Myocardial Infarction.International journal of molecular sciences · 2023 · PMID 36834610 · doi
- Endothelium-specific CYP2J2 overexpression improves cardiac dysfunction by promoting angiogenesis via Jagged1/Notch1 signaling.Journal of molecular and cellular cardiology · 2018 · PMID 30219518 · doi
- Circulating Endothelial Cells and Endothelial Function Predict Major Adverse Cardiac Events and Early Adverse Left Ventricular Remodeling in Patients With ST-Segment Elevation Myocardial Infarction.Journal of interventional cardiology · 2016 · PMID 26864952 · doi
- Endothelial progenitor cells, atheroma burden and clinical outcome in patients with coronary artery disease.Heart (British Cardiac Society) · 2013 · PMID 23390050 · doi
- Detection and validation of circulating endothelial cells, a blood-based diagnostic marker of acute myocardial infarction.PloS one · 2013 · PMID 23484031 · doi
- Endothelial progenitor cells in acute myocardial infarction and sleep-disordered breathing.American journal of respiratory and critical care medicine · 2012 · PMID 23155141 · doi
- The impact of the capability of circulating progenitor cell to differentiate on myocardial salvage in patients with primary acute myocardial infarction.Circulation · 2006 · PMID 16820559 · doi
- Endothelial progenitor cells: characterization, pathophysiology, and possible clinical relevance.Journal of cellular and molecular medicine · 2004 · PMID 15601578 · doi
- Mobilization of endothelial progenitor cells in patients with acute myocardial infarction.Circulation · 2001 · PMID 11401930 · doi