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Tyrphostin AG 1296 (AG 1296)
Cat No.
CEI-0876
Description
Tyrphostin AG 1296 (AG 1296) is an inhibitor of PDGFR with IC50 of 0.3-0.5 μM, no activity to EGFR.
CAS No.
146535-11-7
Molecular Weight
266.29
Storage
2 years -20 centigrade Powder; 2 weeks 4 centigrade in DMSO; 6 months -80 centigrade in DMSO.
Targets
PDGFR, FGFR, c-Kit
IC50
1 μM; 12.3 μM; 1.8 μM
Molecular Formula
C16H14N2O2
Chemical Name
Quinoxaline, 6,7-dimethoxy-2-phenyl-
Solubility
DMSO 6 mg/mL; Water <1 mg/mL; Ethanol <1 mg/mL
In vitro
AG 1296 inhibits selectively the PDGF receptor kinase and the PDGF dependent DNA synthesis in Swiss 3T3 cells and in porcine aorta endothellal cells with 50% inhibitory concentrations below 5 and 1μM, respectively. AG1296 inhibits FGFR and c-Kit with IC50 of 12.3 μM and 1.8 μM in Swiss 3T3 cells. AG1296 potently inhibits signaling of human PDGF -α and -β receptors but has no effect on autophosphorylation of the VEGFR KDR or on DNA synthesis induced by VEGF in porcine aortlc endothelial cells. Treatment by AG1296 reverses the transformed phenotype of sis-transfected NIH 3T3 cells but has no effect on src-transformed NIH3T3 cells. AG1296 is an ATP-competitive inhibitor. AG1296 interferes neither with PDGF binding nor with PDGF receptor dimerization while it abolishes PDGF receptor autophosphorylation. Thus, AG1296 is a pure inhibitor of the catalytic activity of the receptor tyrosine kinase.
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