Platelet glycoprotein Ib/V/IX complex
complexGPIb/V/IX mediates the initial catch-bond interaction between platelets and von Willebrand factor at sites of endothelial injury.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationalePrimary vWF-binding receptor; initial platelet adhesion to exposed subendothelium.
Also acts inEndothelial activation/erosion
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
Plasma (citrate for coagulation complexes)
Collection tube
Sodium citrate 3.2% (light blue-top) · K2/K3-EDTA (lavender-top)
Method / principle
Sandwich ELISA against neo-complex epitope
Reagent / substrate
Antibody pair recognizing the assembled complex
Platform
ELISA plate
Turnaround · availability
Research / send-out · Research/specialized
Literature evidence(1)
- PECAM-1 negatively regulates GPIb/V/IX signaling in murine platelets.Blood · 2003 · PMID 12893757 · doi