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ID: ALA4342437
Journal: Bioorg Med Chem Lett
Title: Development and structure-activity relationship study of SHP2 inhibitor containing 3,4,6-trihydroxy-5-oxo-5H-benzo[7]annulene.
Authors: Kim B, Jo S, Park SB, Chae CH, Lee K, Koh B, Shin I.
Abstract: SHP2, a non-receptor protein tyrosine phosphatase encoded by PTPN11 gene, plays an important role in the cell growth and proliferation. Activating mutations of SHP2 have been reported as a cause of various human diseases such as solid tumors, leukemia, and Noonan syndrome. The discovery of SHP2 inhibitor can be a potent candidate for the treatment of cancers and SHP2 related human diseases. Several reports on a small molecule targeting SHP2 have published, however, there are limitations on the discovery of SHP2 phosphatase inhibitors due to the polar catalytic site environment. Allosteric inhibitor can be an alternative to catalytic site inhibitors. 3,4,6-Trihydroxy-5-oxo-5H-benzo[7]annulene 1 was obtained as an initial hit with a 0.097 μM of IC50 from high-throughput screening (HTS) study. After the structure-activity relationship (SAR) study, compound 1 still showed the most potent activity against SHP2. Moreover, compound 1 exerted good potency against SHP2 expressing 2D and 3D MDA-MB-468.
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