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Allosteric Inhibitors of SHP2 with Therapeutic Potential for Cancer Treatment
Journal of Medicinal Chemistry ( IF 6.8 ) Pub Date : 2017-12-07 00:00:00 , DOI: 10.1021/acs.jmedchem.7b01520 Jingjing Xie 1, 2 , Xiaojia Si 3 , Shoulai Gu 1 , Mingliang Wang 4 , Jian Shen 1, 2 , Haoyan Li 1, 2 , Jian Shen 5 , Dan Li 6 , Yanjia Fang 1 , Cong Liu 1 , Jidong Zhu 1
Journal of Medicinal Chemistry ( IF 6.8 ) Pub Date : 2017-12-07 00:00:00 , DOI: 10.1021/acs.jmedchem.7b01520 Jingjing Xie 1, 2 , Xiaojia Si 3 , Shoulai Gu 1 , Mingliang Wang 4 , Jian Shen 1, 2 , Haoyan Li 1, 2 , Jian Shen 5 , Dan Li 6 , Yanjia Fang 1 , Cong Liu 1 , Jidong Zhu 1
Affiliation
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SHP2, a cytoplasmic protein-tyrosine phosphatase encoded by the PTPN11 gene, is involved in multiple cell signaling processes including Ras/MAPK and Hippo/YAP pathways. SHP2 has been shown to contribute to the progression of a number of cancer types including leukemia, gastric, and breast cancers. It also regulates T-cell activation by interacting with inhibitory immune checkpoint receptors such as the programmed cell death 1 (PD-1) and B- and T-lymphocyte attenuator (BTLA). Thus, SHP2 inhibitors have drawn great attention by both inhibiting tumor cell proliferation and activating T cell immune responses toward cancer cells. In this study, we report the identification of an allosteric SHP2 inhibitor 1-(4-(6-bromonaphthalen-2-yl)thiazol-2-yl)-4-methylpiperidin-4-amine (23) that locks SHP2 in a closed conformation by binding to the interface of the N-terminal SH2, C-terminal SH2, and phosphatase domains. Compound 23 suppresses MAPK signaling pathway and YAP transcriptional activity and shows antitumor activity in vivo. The results indicate that allosteric inhibition of SHP2 could be a feasible approach for cancer therapy.
中文翻译：
SHP2的变构抑制剂具有治疗癌症的潜力
SHP2是一种由PTPN11基因编码的胞质蛋白酪氨酸磷酸酶，参与多种细胞信号传导过程，包括Ras / MAPK和Hippo / YAP途径。SHP2已被证明有助于许多癌症类型的进展，包括白血病，胃癌和乳腺癌。它还通过与抑制性免疫检查点受体（例如程序性细胞死亡1（PD-1）和B细胞和T淋巴细胞减毒剂（BTLA））相互作用来调节T细胞活化。因此，SHP2抑制剂通过抑制肿瘤细胞增殖和激活针对癌细胞的T细胞免疫应答而引起了极大的关注。在这项研究中，我们报告了别构SHP2抑制剂1-（4-（6-溴萘-2-基）噻唑-2-基）-4-甲基哌啶-4-胺的鉴定（23）通过结合N末端SH2，C末端SH2和磷酸酶结构域的界面将SHP2锁定为封闭构象。化合物23抑制MAPK信号通路和YAP转录活性，并在体内显示抗肿瘤活性。结果表明，SHP2的变构抑制可能是一种可行的癌症治疗方法。
更新日期：2017-12-07
中文翻译：
SHP2的变构抑制剂具有治疗癌症的潜力
SHP2是一种由PTPN11基因编码的胞质蛋白酪氨酸磷酸酶，参与多种细胞信号传导过程，包括Ras / MAPK和Hippo / YAP途径。SHP2已被证明有助于许多癌症类型的进展，包括白血病，胃癌和乳腺癌。它还通过与抑制性免疫检查点受体（例如程序性细胞死亡1（PD-1）和B细胞和T淋巴细胞减毒剂（BTLA））相互作用来调节T细胞活化。因此，SHP2抑制剂通过抑制肿瘤细胞增殖和激活针对癌细胞的T细胞免疫应答而引起了极大的关注。在这项研究中，我们报告了别构SHP2抑制剂1-（4-（6-溴萘-2-基）噻唑-2-基）-4-甲基哌啶-4-胺的鉴定（23）通过结合N末端SH2，C末端SH2和磷酸酶结构域的界面将SHP2锁定为封闭构象。化合物23抑制MAPK信号通路和YAP转录活性，并在体内显示抗肿瘤活性。结果表明，SHP2的变构抑制可能是一种可行的癌症治疗方法。
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