NCIt definition : An orally bioavailable central nervous system (CNS) penetrant and inhibitor of nuclear
enzyme poly(ADP-ribose) polymerase (PARP) 1, with potential antineoplastic activity.
Upon oral administration, PARP1 inhibitor AZD9574 selectively binds to PARP1, thereby
preventing repair of damaged DNA via the base excision repair (BER) pathway. This
agent enhances the accumulation of DNA strand breaks and promotes genomic instability
eventually leading to apoptosis. AZD9574 may enhance the cytotoxicity of DNA-damaging
agents and reverse tumor cell chemo- and radioresistance. PARP1 catalyzes post-translational
ADP-ribosylation of nuclear proteins that signal and recruit other proteins to repair
damaged DNA and plays a key role in the repair of single strand DNA (ssDNA) breaks
and double-strand break (DSBs). AZD9574 is able to penetrate the blood-brain barrier
(BBB).;
CAS number : 2756333-39-6; a href https://gsrs.ncats.nih.gov/ginas/app/beta/browse-substance?search 2756333-39-6
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