Synthesis and Biological Evaluation of the First Triple Inhibitors of Human Topoisomerase 1, Tyrosyl–DNA Phosphodiesterase 1 (Tdp1), and Tyrosyl–DNA Phosphodiesterase 2 (Tdp2)

Abstract excerpt

Tdp1 and Tdp2 are two tyrosyl-DNA phosphodiesterases that can repair damaged DNA resulting from topoisomerase inhibitors and a variety of other DNA-damaging agents. Both Tdp1 and Tdp2 inhibition could hypothetically potentiate the cytotoxicities of topoisomerase inhibitors. This study reports the successful structure-based design and synthesis of new 7-azaindenoisoquinolines that act as triple inhibitors of Top1,...

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