PD153035 hydrochloride

PD153035 hydrochloride (ZM 252868, AG 1517) is a potent and specific inhibitor of EGFR with Ki and IC50 of 5.2 pM and 29 pM. PD153035 HCl shows a potent and selective inhibitory effect on tyrosine phosphorylation induced with EGF with IC50 of 15 nM and 14 nM in Swiss 3T3 fibroblast and A-431 human epidermoid carcinoma cells, respectively. PD153035 induces a dose-dependent growth inhibition in nasopharyngeal carcinoma (NPC) cells including NPC-TW01, NPC-TW04, and HONE1 cell lines with IC50 of 12.9 μM, 9.8 μM and 18.6μM, respectively. PD 153035 inhibits other purified tyrosine kinases only at micromolar or higher concentrations.