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Structure–activity relationship studies of Imidazo[1′,2′:1,6]pyrido[2,3-d]pyrimidine derivatives to develop selective FGFR inhibitors as anticancer agents for FGF19-overexpressed hepatocellular carcinoma
European Journal of Medicinal Chemistry ( IF 6.0 ) Pub Date : 2024-11-12 , DOI: 10.1016/j.ejmech.2024.117047
Jisook Kim, Seung Hyun Jung, Joo Chan Lee, Won Jeoung Kim, Jooyun Byun, Young Gil Ahn, Hyun-Ju Park

The aberrant activation of fibroblast growth factor (FGF) and FGF receptor (FGFR)-mediated signaling pathways are associated with cancer development, including hepatocellular carcinoma (HCC). A novel series of imidazo[1′,2′:1,6]pyrido[2,3-d]pyrimidine, containing an acrylamide covalent warhead, were synthesized as selective FGFR 1–4 inhibitors. Compound 7n was identified as the most potent inhibitor against FGFR1, 2, and 4, with IC50 values of 8/4 nM (FGFR1/2) and 3.8 nM (FGFR4), and the covalent docking analyses suggested that 7n form a covalent adduct with cysteine residue on the hinge or p-loop of FGFR. Compound 7n exhibited a favorable pharmacokinetic profile and significant in vivo antitumor efficacy in human liver cancer xenograft mouse models (xenograft, FGF/FGFR-dependent HCC cells).

中文翻译:


咪唑[1′,2′:1,6]嘧啶衍生物开发选择性FGFR抑制剂作为FGF19过表达肝细胞癌抗癌剂的结构-活性关系研究



成纤维细胞生长因子 (FGF) 和 FGF 受体 (FGFR) 介导的信号通路的异常激活与癌症发展有关,包括肝细胞癌 (HCC)。合成了一系列新型咪唑[1′,2′:1,6]嘧啶[2,3-d]嘧啶,含有丙烯酰胺共价弹头,作为选择性FGFR 1-4抑制剂。化合物 7n 被确定为最有效的 FGFR1 、 2 和 4 抑制剂,IC50 值为 8/4 nM (FGFR1/2) 和 3.8 nM (FGFR4),共价对接分析表明 7n 与 FGFR 铰链或 p 环上的半胱氨酸残基形成共价加合物。化合物 7n 在人肝癌异种移植小鼠模型 (异种移植物、FGF/FGFR 依赖性 HCC 细胞) 中表现出良好的药代动力学特征和显着的体内抗肿瘤疗效。
更新日期:2024-11-12
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