NAD+ Metabolism and Its Roles in Cellular Processes During Aging: Review

SynopsisNAD+ is crucial for energy production and for enzymes that control DNA repair, gene activity, aging, and immune function. As we age, NAD+ levels drop in many tissues, and this decline is li...

Cockayne Syndrome Proteins Maintain Mitochondrial Health Through NAD+ Signaling: Preclinical Findings

SynopsisCockayne syndrome (CS) is a rare premature aging disorder involving DNA repair defects and mitochondrial dysfunction. Across human, mouse, and nematode models, mitochondrial dysfunction was...

CD38 Deletion and Nicotinamide Riboside Supplementation Slow Axon Degeneration After Facial Nerve Injury: Preclinical Findings

Synopsis After facial nerve injury (axotomy), nerve function often does not fully recover due to axon degeneration, neuron death, and ongoing inflammation. CD38, an enzyme that breaks down NAD+, m...

Nicotinamide Riboside Improves Ovarian Health and Fertility in Aging: Preclinical Findings

Synopsis As female mice age, their ovaries lose follicles and the quality of eggs declines, partly due to lower levels of NAD+. In this study, supplementing aging mice with nicotinamide riboside (...

Gut Bacteria Support NAD+ Production: Preclinical Findings

Synopsis Nicotinamide adenine dinucleotide (NAD+) is essential for hundreds of cellular processes, including metabolism, DNA repair, and aging. How environmental factors affect NAD+ metabolism is ...

NAMPT Deficiency in Mouse Liver Cells Shows Minimal Impact on NAD+ and Mitochondrial Health: Preclinical Findings

Synopsis Supplementation with NAD+ precursors such as nicotinamide riboside (NR) has been shown to improve mitochondrial function and prevent liver fat accumulation in high-fat diet (HFD)-fed rode...

Muscle Loss and Reduced Physical Performance in Emery–Dreifuss Muscular Dystrophy: Preclinical Findings

Synopsis Autosomal Emery–Dreifuss muscular dystrophy (EDMD) is caused by mutations in the lamin A/C gene (LMNA), which encodes nuclear envelope proteins. The disease typically causes muscle wastin...

Nicotinamide Riboside Improves Redox Balance and Muscle Performance: Clinical Findings

Objectives To investigate the effects of acute NR supplementation on redox homeostasis and exercise performance in young and old humans. Journal European Journal of Nutrition Key Outcomes Within ...

Therapeutic Potential of NAD-Boosting Molecules: Review

SynopsisNicotinamide adenine dinucleotide (NAD+) is best known as a hydrogen carrier in energy-producing reactions, but it also acts as a signaling molecule that controls hundreds of vital processe...

The Biology and Therapeutic Potential of Nicotinamide Riboside and Nicotinamide Mononucleotide: Review

SynopsisResearch on NAD+ biology has surged, especially around two intermediates—nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN)—which show promise in preventing and treating age-r...

NAD+ in Aging: Molecular Mechanisms and Translational Implications: Review

SynopsisNAD+ is vital for energy production and helping cells adapt to stress, especially in high-energy tissues like the brain. NAD+ levels drop with age, contributing to chronic diseases such as ...

NAD+ Replenishment Prevents Thymus Atrophy and Liver Fat Accumulation: Preclinical Findings

Synopsis Dioxin (TCDD) is a highly toxic chemical that causes serious health problems like wasting, liver fat buildup, and thymus shrinkage in animals. Its toxic effects happen when it activates a...

NAD+ Metabolism: Energy Production, Signaling Pathways, and Therapeutic Potential: Review

SynopsisVitamin B3's active forms, NAD+ and NADP+, are essential for energy metabolism, cell protection, and biosynthesis. Modern research shows that fluctuations in NAD+ metabolism activate signal...

CD38 Causes Age-Related NAD+ Loss and Mitochondrial Dysfunction: Preclinical Findings

SynopsisNAD+ levels decrease with aging and are involved in age-related metabolic decline. To date, the mechanism responsible for the age-related reduction in NAD+ has not been elucidated. This stu...

Nicotinamide Riboside Rejuvenates Aged Muscle Stem Cell Function: Preclinical Findings

Synopsis Aging reduces the regenerative capacity of tissues by driving senescence in adult stem cells (SCs), including those that repair muscle, brain, and skin. This study identifies declining le...

NAD+ in Aging, Metabolism, and Neurodegeneration: Review

SynopsisNAD+ is a coenzyme essential for energy production, redox reactions, and as a partner for enzymes like sirtuins and PARPs. Its levels change with age, and altering its production or usage c...

Nicotinamide Riboside Mediates Longevity Benefits of Calorie Restriction: Preclinical Findings

Synopsis Calorie restriction (CR) is known to extend lifespan in yeast, but how this benefit is communicated between cells has remained unclear. In this study, researchers found that while CR does...

Nicotinamide Riboside Enhances Mitochondrial Function and Extends Lifespan: Preclinical Findings

Synopsis NAD+ is a vital molecule that maintains metabolic balance and fuels sirtuin enzymes, which help regulate aging and energy use. In this study, researchers found that NAD+ levels decline wi...

NAD+ Metabolism as a Therapeutic Target for Age-Related Metabolic Diseases: Review

SynopsisNAD+ is a central redox cofactor, but its role in activating sirtuins—a family of NAD-dependent proteins that optimize mitochondrial function—has made it a focus of longevity research. Beca...

Yeast Control NAD+ Levels by Regulating Nicotinamide Riboside and Nicotinic Acid Export: Preclinical Findings

Synopsis NAD+ serves as both a key coenzyme in metabolic reactions and a substrate for enzymes like sirtuins that regulate aging and stress responses. Its synthesis is essential for extending life...