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ID: ALA4017489
Journal: J Med Chem
Title: Design, Synthesis, and Evaluation of New Selective NM23-H2 Binders as c-MYC Transcription Inhibitors via Disruption of the NM23-H2/G-Quadruplex Interaction.
Authors: Wang YQ, Huang ZL, Chen SB, Wang CX, Shan C, Yin QK, Ou TM, Li D, Gu LQ, Tan JH, Huang ZS.
Abstract: c-MYC is one of the important human proto-oncogenes, and transcriptional factor NM23-H2 can activate c-MYC transcription by recognizing the G-quadruplex in the promoter of the gene. Small molecules that inhibit c-MYC transcription by disrupting the NM23-H2/G-quadruplex interaction might be a promising strategy for developing selective anticancer agents. In recent studies, we developed a series of isaindigotone derivatives, which can bind to G-quadruplex and NM23-H2, thus down-regulating c-MYC ( J. Med. Chem. 2017 , 60 , 1292 - 1308 ). Herein, a series of novel isaindigotone derivatives were designed, synthesized, and screened for NM23-H2 selective binding ligands. Among them, compound 37 showed a high specific binding affinity to NM23-H2, effectively disrupting the interaction of NM23-H2 with G-quadruplex, and it strongly down-regulated c-MYC transcription. Furthermore, 37 induced cell cycle arrest and apoptosis, and it exhibited good tumor growth inhibition in a mouse xenograft model. This work provides a new strategy to modulate c-MYC transcription for the development of selective anticancer drugs.
CiteXplore: 28714689