Hs746T/CR
CBP60481DR-2
                       
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                | I. Background | |
| Crizotinib 作為全球首個靶向 ALK/ROS1/MET 的多激酶抑制劑,顯著改善晚期 ALK 陽 性非小細胞肺癌(NSCLC)患者生存,但其耐藥機制主要涉及靶點二次突變(如 ALK L1196M 守門突變、G1202R 溶劑前沿突變直接阻礙藥物結(jié)合)、旁路信號激活 (EGFR/KIT 擴增或 KRAS 突變驅(qū)動替代通路)、藥代動力學(xué)逃逸(血腦屏障穿透不足致 腦轉(zhuǎn)移進展),以及下游信號重塑(如 STAT3/SFK 持續(xù)激活維持腫瘤生存)。 | |
| II. Introduction | |
| Host Cell: | Hs746T/CR | 
| Culture Medium: | DMEM+10%FBS+500 nM Crizotinib | 
| Gi50 on Hs746T: | 10.7nM | 
| Gi50 on Hs746T/CR: | >1000nM | 
| Mycoplasma Status: | Negative | 
| Storage: | Liquid nitrogen | 
| III. Description of Host Cell Line | |
| Organism: | Homo sapiens, human | 
| Tissue: | stomach; derived from metastatic site: left leg | 
| Disease: | gastric carcinoma | 
| Morphology: | Epithelial | 
| Growth Properties: | Adherent | 
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				 IV.Representative DATA  | 
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 Figure 1. CTG Proliferation Assay of Hs746T CR (Crizotinib Resistant).  | 
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