Cited by 269Sirtuins and Resveratrol in MedicineGenetics, Aging, and Longevity in Model OrganismsBiochemical and Molecular Research

NAD metabolism: Implications in aging and longevity

Yaku, Keisuke, Okabe, Keisuke, Nakagawa, Takashi·2018·Ageing Research Reviews

Abstract

Nicotinamide adenine dinucleotide (NAD) is an important co-factor involved in numerous physiological processes, including metabolism, post-translational protein modification, and DNA repair. In living organisms, a careful balance between NAD production and degradation serves to regulate NAD levels. Recently, a number of studies have demonstrated that NAD levels decrease with age, and the deterioration of NAD metabolism promotes several aging-associated diseases, including metabolic and neurodegenerative diseases and various cancers. Conversely, the upregulation of NAD metabolism, including dietary supplementation with NAD precursors, has been shown to prevent the decline of NAD and exhibits beneficial effects against aging and aging-associated diseases. In addition, many studies have demonstrated that genetic and/or nutritional activation of NAD metabolism can extend the lifespan of diverse organisms. Collectively, it is clear that NAD metabolism plays important roles in aging and longevity. In this review, we summarize the basic functions of the enzymes involved in NAD synthesis and degradation, as well as the outcomes of their dysregulation in various aging processes. In addition, a particular focus is given on the role of NAD metabolism in the longevity of various organisms, with a discussion of the remaining obstacles in this research field.

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Crossref · 10.1016/j.arr.2018.05.006

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Authors
Yaku, K., Okabe, K., & Nakagawa, T.
Affiliations
University of Toyama (JP)
Corresponding author
Nakagawa, Takashi
Venue
Ageing Research Reviews
Publisher
Elsevier BV
Published
2018-11
Volume
47
Pages
1-17
ISSN
1568-1637 (ISSN-L)
OpenAlex
W2806961305
Cited by
269
References
246
Citations by year
2026: 30 · 2025: 26 · 2024: 39 · 2023: 30 · 2022: 43 · 2021: 41 · 2020: 39 · 2019: 17 · 2018: 4
FWCI
2.83
Type
journal article
Language
en
Open access
closed
Locations
  • Ageing Research Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • JSPS KAKENHI (2460901, 17K08653, 16K21051)
  • Grant-in-Aid for Scientific Research on Innovative Areas (24116511)
  • Young Scientists from Japan Society of Nutrition and Food Science
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Molecular Research
Keywords
NAD+ metabolism, aging, longevity, NAD+ synthesis, NAD+ degradation, NAD+ precursors, NAD+ depletion, age-related diseases, neurodegenerative diseases, metabolic disorders, cancer, lifespan extension, NAD-dependent enzyme, post-translational protein modification, DNA repair
MeSH terms
Aging, Animals, Humans, Longevity, NAD, Neoplasms, Neurodegenerative Diseases

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