期刊
MOLECULAR & CELLULAR ONCOLOGY
卷 3, 期 1, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/23723556.2015.1052180
关键词
DNA damage; NAMPT; NAPRT1; niacin; PARP
类别
资金
- Genome Quebec
- CIHR [MOP-6192]
Nicotinamide phosphoribosyltransferase (NAMPT) is crucial for nicotinamide adenine dinucleotide (NAD(+)) biosynthesis in mammalian cells. NAMPT inhibitors represent multifunctional anticancer agents that act on NAD(+) metabolism to shut down glycolysis, nucleotide biosynthesis, and ATP generation and act indirectly as PARP and sirtuin inhibitors. The selectivity of NAMPT inhibitors preys on the increased metabolic requirements to replenish NAD(+) in cancer cells. Although initial clinical studies with NAMPT inhibitors did not achieve single-agent therapeutic levels before dose-limiting toxicities were reached, a new understanding of alternative rescue pathways and a biomarker that can be used to select patients provides new opportunities to widen the therapeutic window and achieve efficacious doses in the clinic. Recent work has also illustrated the potential for drug combination strategies to further enhance the therapeutic opportunities. This review summarizes recent discoveries in NAD(+)/NAMPT inhibitor biology in the context of exploiting this new knowledge to optimize the clinical outcomes for this promising new class of agents.
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