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LY2874455

Cat No.
CEI-1411
Description
LY2874455 is a potent, selective, small-molecule inhibitor of fibroblast growth factor receptors (FGFR) with IC50 values of 2.8, 2.6, 6.4 and 6 nM for FGFR1, 2, 3, and 4, respectively.
Product Overview
LY2874455 is a novel and potent FGFR inhibitor with IC50 value of 7 nM. Fibroblast growth factor receptors (FGFRs) are receptors bind ligand of FGF family, which have a intracellular domain with tyrosine kinase activity. The binding of FGF triggers receptor dimerization and thus the activation of tyrosine kinase activity. Activated tyrosine kinase phosphorylates various downstream factors to induce downstream signaling, including FGF substrate 2 (FGS2). This signaling pathway contributes to FGFR-mediated cell proliferation and migration, which are involved in tumor formation and progression. In HUVECs cell line expressing FGFR1 and RT-112 cell line expressing FGFR3, LY2874455 treatment resulted in inhibition of FGF2 and FGF9 induced Erk phosphorylation, which indicated the inhibitory activity of LY2874455 for FGFR1 and FGFR3. In SNU-16 and KATO-Ш cell line, the inhibition of FGFR2 phosphorylation was also observed, which indicated a direct inhibition by LY2874455. Additionally, when several multiple myeloma cancer cell lines were treated with LYS2874455, the cell lines with chromosomal translocation that resulted in overexpression of FGFR3 were significantly more susceptible to the inhibition of LY2874455. It suggested FGFR was the specific target of LY2874455 inhibition. In RT-112, SNU-16, OPM-2 and NCI-H460 xenograft tumor model, treatment of LY2874455 twice a day (1.5 mg/kg and 3 mg/kg) resulted in significant dose-dependent reduction of cellular level of phosphorylated FGFR, and also regression of tumor growth. It indicated the inhibitory activity of LY2874455 in vivo.
CAS No.
1254473-64-7
Molecular Weight
444.31
Purity
0.9896
Storage
Store at -20°C
Synonyms
LY 2874455; LY-2874455
Targets
FGF/FGFR
IC50
2.8 nM; 2.6 nM; 6.4 nM; 6 nM
Molecular Formula
C21H19Cl2N5O2
Chemical Name
2-[4-[(E)-2-[5-[(1R)-1-(3,5-dichloropyridin-4-yl)ethoxy]-1H-indazol-3-yl]ethenyl]pyrazol-1-yl]ethanol
Solubility
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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