Author:
Zhi Yanle,Wang Zhijie,Yao Chao,Li Baoquan,Heng Hao,Cai Jiongheng,Xiang Li,Wang Yue,Lu Tao,Lu Shuai
Abstract
Fms-like receptor tyrosine kinase 3 (FLT3) has been emerging as an attractive target for the treatment of acute myeloid leukemia (AML). By modifying the structure of FN-1501, a potent FLT3 inhibitor, 24 novel 1H-pyrazole-3-carboxamide derivatives were designed and synthesized. Compound 8t showed strong activity against FLT3 (IC50: 0.089 nM) and CDK2/4 (IC50: 0.719/0.770 nM), which is more efficient than FN-1501(FLT3, IC50: 2.33 nM; CDK2/4, IC50: 1.02/0.39 nM). Compound 8t also showed excellent inhibitory activity against a variety of FLT3 mutants (IC50 < 5 nM), and potent anti-proliferative effect within the nanomolar range on acute myeloid leukemia (MV4-11, IC50: 1.22 nM). In addition, compound 8t significantly inhibited the proliferation of most human cell lines of NCI60 (GI50 < 1 μM for most cell lines). Taken together, these results demonstrated the potential of 8t as a novel compound for further development into a kinase inhibitor applied in cancer therapeutics.
Funder
the National Natural Science Foundation of China
the Fundamental Research Funds for the Central Universities
Subject
Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Computer Science Applications,Spectroscopy,Molecular Biology,General Medicine,Catalysis
Cited by
9 articles.
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