Discovery and structural optimization of potent epidermal growth factor receptor (EGFR) inhibitors against L858R/T790M/C797S resistance mutation for lung cancer treatment
作者:Cheng Wang、Xin Wang、Zhi Huang、Tianqi Wang、Yongwei Nie、Shengyong Yang、Rong Xiang、Yan Fan
DOI:10.1016/j.ejmech.2022.114381
日期:2022.7
The C797S mutation in EGFR is a leading mechanism of clinically acquired resistance against osimertinib for non-small cell lung cancer (NSCLC). In this study, we identified a potent and oral EGFRL858R/T790M/C797S tyrosine kinase inhibitor, 14aj with a novel chemical scaffold. Compound 14aj showed low nanomolar activity against EGFRL858R/T790M/C797S mutant with IC50 value as 0.010 μM. In vitro assays
EGFR 中的 C797S 突变是非小细胞肺癌 (NSCLC) 对奥希替尼产生临床获得性耐药的主要机制。在这项研究中,我们鉴定了一种有效的口服 EGFR L858R/T790M/C797S酪氨酸激酶抑制剂14aj,具有新型化学支架。化合物14aj对EGFR L858R/T790M/C797S突变体显示出低纳摩尔活性,IC 50值为0.010 μM。在体外试验中,化合物14aj对携带 EGFR L858R/T790M/C797S的 NSCLC 细胞表现出高效力,并诱导肿瘤细胞周期停滞和细胞凋亡。14aj抑制 EGFR 的细胞磷酸化。在体内异种移植小鼠模型中,口服化合物14aj导致显着的肿瘤消退而没有明显的毒性。此外,该化合物显示出良好的药代动力学。