Cayman Chemical ToltrazurIl sulfon 100mg
An inhibitor of STAT3 binds to STAT3 (Kd 504 nM) and inhibits STAT3 binding to an IL-6R/gp130 peptide in a fluorescence polarization assay (IC50 4 1 UM) decreases viability and proliferation of STAT3-dependent NIH3T3/v-Src MDA-MB-231 PANC-1 DU145 and A549 cancer cells but not STAT3-independent NIH3T3 NIH3T3/vRas TE-71 and A2780S cancer cells at 10-30 UM reduces tumor growth and inhibits expression of the STAT3-dependent genes encoding c-Myc survivin Bcl-xL cyclin D1 and VEGF in MDA-MB-231 and A549 mouse xenograft models at 1 and 3 mg/kg