In research environments, NAD+ is a central molecule involved in cellular energy metabolism, DNA repair, and the maintenance of redox balance. It supports sirtuin activation, which plays a key role in cellular stress-response pathways and the regulation of longevity-related mechanisms.
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Description
Nicotinamide adenine dinucleotide (NAD+) is a vital coenzyme found in all living cells and is fundamental to metabolic function. It participates in essential redox reactions, transferring electrons during key metabolic processes including glycolysis, the tricarboxylic acid (TCA) cycle, and oxidative phosphorylation. In controlled laboratory settings, NAD+ is widely studied for its role in maintaining cellular homeostasis and regulating enzymatic activity in non-human research models.
NAD+ is also a required substrate for several important enzyme families—most notably sirtuins and poly (ADP-ribose) polymerases (PARPs)—which are involved in DNA repair, chromatin remodeling, and cellular stress-response signaling. Research suggests NAD+ contributes to mitochondrial function, energy production, and pathways associated with cellular resilience and longevity. Its involvement in oxidative stress regulation and inflammatory signaling makes it a key focus in studies examining metabolic and cellular health.
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Summary of Characteristics
Characteristic Details
Chemical Sequence Not applicable (non-peptide molecule)
CAS Number 53-84-9
Molecular Formula C₂₁H₂₇N₇O₁₄P₂
Molecular Weight 663.43 g/mol
Other Known Titles Nicotinamide adenine dinucleotide, β-NAD+, Coenzyme I
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