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. 2021 Aug 21;10(8):1315. doi: 10.3390/antiox10081315

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© 2021 by the author.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Metabolic pathways related to nicotinamide: ADP, adenosine diphosphate; AMP, adenosine monophosphate; ATP, adenosine triphosphate; cADPR, cyclic ADP-ribose; CYP, cytochrome P450; NaAD⁺, nicotinic acid adenine dinucleotide; NaADP⁺, nicotinic acid adenine dinucleotide phosphate; NAD⁺, nicotinamide adenine dinucleotide; NADH, reduced nicotinamide adenine dinucleotide; NADP⁺, nicotinamide adenine dinucleotide phosphate; NADPH, reduced nicotinamide adenine dinucleotide phosphate; NaMN, nicotinic acid mononucleotide; NAMPT, nicotinamide phosphoribosyltransferase; NMN, nicotinamide mononucleotide; NNT, nicotinamide nucleotide transhydrogenase; PARP, poly(ADP-ribose) polymerase; PPi, inorganic pyrophosphate; PRPP, phosphoribosyl pyrophosphate.