Identification of a Multitargeted Tyrosine Kinase Inhibitor for the Treatment of Gastrointestinal Stromal Tumors and Acute Myeloid Leukemia
作者:Wen-Hsing Lin、Su-Ying Wu、Teng-Kuang Yeh、Chiung-Tong Chen、Jen-Shin Song、Hui-Yi Shiao、Ching-Chuan Kuo、Tsu Hsu、Cheng-Tai Lu、Pei-Chen Wang、Tsung-Sheng Wu、Yi-Hui Peng、Hui-You Lin、Ching-Ping Chen、Ya-Ling Weng、Fang-Chun Kung、Mine-Hsine Wu、Yu-Chieh Su、Kuo-Wei Huang、Ling-Hui Chou、Ching-Cheng Hsueh、Kuei-Jung Yen、Po-Chu Kuo、Chen-Lung Huang、Li-Tzong Chen、Chuan Shih、Hui-Jen Tsai、Weir-Torn Jiaang
DOI:10.1021/acs.jmedchem.9b01229
日期:2019.12.26
prototypes of stem cell factor receptor (c-KIT)-driven cancer. Two receptor tyrosine kinases, c-KIT and fms-tyrosine kinase (FLT3), are frequently mutated in acute myeloid leukemia (AML) patients, and these mutations are associated with poor prognosis. In this study, we discovered a multitargeted tyrosine kinase inhibitor, compound 15a, with potent inhibition against single or double mutations of c-KIT
胃肠道间质瘤(GIST)是干细胞因子受体(c-KIT)驱动的癌症的原型。急性髓细胞白血病(AML)患者经常突变两种受体酪氨酸激酶c-KIT和fms-酪氨酸激酶(FLT3),这些突变与不良预后相关。在这项研究中,我们发现了一种多靶点酪氨酸激酶抑制剂化合物15a,对GIST中开发的c-KIT的单突变或双突变具有有效的抑制作用。此外,晶体结构分析揭示了15a与c-KIT的独特结合模式,并可能阐明了其在抑制c-KIT激酶活性方面的高效力。化合物15a通过靶向c-KIT突变的GIST细胞系中的c-KIT抑制细胞增殖并诱导凋亡。在GIST430和GIST患者衍生的异种移植模型中也证实了15a的抗肿瘤作用。进一步的研究表明15a在体外和体内均可抑制c-KIT和FLT3驱动的AML细胞的增殖。这项研究的结果表明15a可能是治疗GIST和AML的潜在抗癌药。