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Showing 1 to 8 of 8 for “"Nicotinamide Phosphoribosyltransferase"”.
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Mechanism of Action of Nicotinamide Phosphoribosyltransferase Mediated Signaling in Oxidative Stress
… do not exist or existing therapies fail (3). Nicotinamide phosphoribosyltransferase (Nampt) is an enzyme critical for cellular energy metabolism, and it also functions as a proinflammatory cytokine and growth factor with neuroprotective properties and in these contexts is referred to as …
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NAD+ salvage by Nicotinamide phosphoribosyltransferase (Nampt) mediates lipogenesis, energy homeostasis, and survival in prostate cancer
Traditionally, nicotinamide adenine dinucleotide (NAD<super>+</super>) is recognized as a redox cofactor which participates in numerous metabolic reactions. However, new evidence shows that many enzymes consume NAD+ as a substrate to regulate activities from posttranslational modifications to DNA …
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The Pathophysiological Importance of Nicotinamide Phosphoribosyltransferase as a Key NAD Biosynthesis Enzyme in Metabolic Homeostasis
<p>Nicotinamide phosphoribosyltransferase: NAMPT) is the rate-limiting enzyme in the NAD biosynthesis pathway in mammals. Interestingly, NAMPT has intra- and extracellular forms: iNAMPT and eNAMPT, respectively), and eNAMPT is secreted from adipose tissue as one of the adipokines. However, the …
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Nampt-Mediated Nad+ Homeostasis in Skeletal Muscle: Implications for Healthy Aging
… the fundamental electron-shuttling metabolite, nicotinamide adenine dinucleotide (NAD), as a co-factor and signaling intermediate uniquely positioned to modulate whole-body energy balance through transcriptional and post-translational mechanisms. Though it has long been known that NAD supports …
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Dissecting NAMPT Signaling Pathways in Beige Adipocyte Development, Impairment and Maintenance
… The NAD(^+) biosynthetic enzyme nicotinamide phosphoribosyltransferase (NAMPT) regulates cellular stress responses and immune–metabolic crosstalk, yet its roles in thermogenic adipocyte development, maintenance, and failure remain incompletely defined. Here, I define …
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Characterisation of Pharmacological Mechanisms and Potential Therapeutic uses of FK866
… Recently, FK866, a potent inhibitor of nicotinamide phosphoribosyltransferase (Nampt) an important enzyme in the NAD+ rescue pathway, has been evaluated in clinical trials against cancer. The aim of this study is to further investigate the mechanisms and therapeutic characteristics of …
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Molecular Effects of the Nampt Inhibitor FK866 on Leukemia Cells
… A critical factor in cellular metabolism is nicotinamide adenine dinucleotide (NAD+) and cancer cells highly rely on it to face increased metabolic demands and proliferation rates. Intracellular NAD+ is a key metabolite involved in several cellular processes, acting either as a coenzyme in …
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Improving the Efficacy and Expanding the Application of NQO1-Bioactivated Therapeutics
NADPH:quinone oxidoreductase-1 (NQO1)-bioactivated drugs, such as ß-lapachone (ß-lap), are powerful therapeutics for tumor-specific therapy. They react with NQO1, which is highly overexpressed in most solid tumors, to cause a futile redox cycle that results in devastating oxidative DNA damage and …