ms154

MS 154 is a potent and selective cereblon-recruiting Degrader (PROTAC®) of mutant epidermal growth factor receptor (EGFR), comprising a cereblon-binding moiety joined by a linker to gefitinib(Iressa). MS 154 decreases EGFR protein levels, inhibits downstream signaling in and inhibits proliferation of mutant EGFR-bearing lung cancer cells (DC50values are 11 and 25 nM in HCC-827 and H3255 cells, respectively; Dmax> 95% at 50 nM), but not in WT-EGFR-bearing ovarian and lung cancer cells lines. Bioavailable in mice following ip administration.

MS 154N 是 MS 154的阴性对照。该化合物对 WT 和 l858r 突变体 EGFR 具有高结合亲和力(kd 值分别为3 nM 和4.3 nM)，但不显著诱导 EGFR 突变体降解。

EGF Rligand-11，作为EGFR的特异性配体，主要用于PROTAC MS154的制备。