Zhongguo Fei Ai Za Zhi. 2023 Jun 20;26(6):416-428. doi: 10.3779/j.issn.1009-3419.2023.102.19.
The mesenchymal-epithelial transition factor (MET) exon 14 skipping mutation is mainly caused by the loss of c-Cbl tyrosine binding site. This mutation could result in a decrease in the degradation rate of proteasome-mediated MET proteins, trigger continuous activation of downstream pathways, and ultimately lead to tumorigenesis. The incidence of MET exon 14 skipping mutation in patients with non-small cell lung cancer (NSCLC) is 0.9% to 4.0%. Patients with advanced NSCLC are recommended to test MET exon 14 skipping mutations who may benefit from MET inhibitors-targeted therapy. MET inhibitors have a high objective response rate and good safety profiles, which could prolong the survival of NSCLC patients with MET exon 14 skipping mutations. The Lung Cancer Specialty Committee of Chinese Elderly Health Care Association organized multidisciplinary experts to give suggestions on the important issues of clinical aspects for targeted therapy of MET exon 14 skipping mutation in NSCLC according to the clinical practice experiences and evidences based medicine. "Expert Consensus on Targeted Therapy of NSCLC with MET Exon 14 Skipping Mutation" is proposed, aiming to provide standardized guidances for the clinical practice of Chinese physicians. .
间充质-上皮转化因子(MET)外显子14跳跃突变主要由c-Cbl酪氨酸结合位点缺失引起。这种突变可导致蛋白酶体介导的MET蛋白降解速率降低,触发下游通路的持续激活,并最终导致肿瘤发生。非小细胞肺癌(NSCLC)患者中MET外显子14跳跃突变的发生率为0.9%至4.0%。对于晚期NSCLC患者,建议检测可能从MET抑制剂靶向治疗中获益的MET外显子14跳跃突变。MET抑制剂具有较高的客观缓解率和良好的安全性,可延长具有MET外显子14跳跃突变的NSCLC患者的生存期。中国老年保健协会肺癌专业委员会根据临床实践经验和循证医学证据,组织多学科专家就NSCLC中MET外显子14跳跃突变靶向治疗临床方面的重要问题提出建议。提出了《非小细胞肺癌MET外显子14跳跃突变靶向治疗专家共识》,旨在为中国医师的临床实践提供规范指导。