Cited by 395Sirtuins and Resveratrol in MedicineGenetics, Aging, and Longevity in Model OrganismsBiochemical and Molecular Research

It takes two to tango: NAD(+) and sirtuins in aging/longevity control

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Imai, Shin-ichiro, Guarente, Leonard·2016·npj Aging and Mechanisms of Disease

Abstract

Abstract The coupling of nicotinamide adenine dinucleotide (NAD + ) breakdown and protein deacylation is a unique feature of the family of proteins called ‘sirtuins.’ This intimate connection between NAD + and sirtuins has an ancient origin and provides a mechanistic foundation that translates the regulation of energy metabolism into aging and longevity control in diverse organisms. Although the field of sirtuin research went through intensive controversies, an increasing number of recent studies have put those controversies to rest and fully established the significance of sirtuins as an evolutionarily conserved aging/longevity regulator. The tight connection between NAD + and sirtuins is regulated at several different levels, adding further complexity to their coordination in metabolic and aging/longevity control. Interestingly, it has been demonstrated that NAD + availability decreases over age, reducing sirtuin activities and affecting the communication between the nucleus and mitochondria at a cellular level and also between the hypothalamus and adipose tissue at a systemic level. These dynamic cellular and systemic processes likely contribute to the development of age-associated functional decline and the pathogenesis of diseases of aging. To mitigate these age-associated problems, supplementation of key NAD + intermediates is currently drawing significant attention. In this review article, we will summarize these important aspects of the intimate connection between NAD + and sirtuins in aging/longevity control.

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Authors
Imai, S.-I., & Guarente, L.
Affiliations
  • Washington University in St. Louis (US)
  • Koch Institute for Integrative Cancer Research At MIT (US)
Corresponding author
  • Imai, Shin-ichiro
  • Guarente, Leonard
Venue
npj Aging and Mechanisms of Disease
Published
2016-08-18
Volume
2
Issue
1
Pages
16017-16017
ISSN
2056-3973 (ISSN-L)
OpenAlex
W2516495404
Cited by
394
References
79
Citations by year
2026: 36 · 2025: 34 · 2024: 42 · 2023: 34 · 2022: 42 · 2021: 58 · 2020: 57 · 2019: 42 · 2018: 35 · 2017: 12 · 2016: 2
FWCI
3.05
Type
journal article
Language
en
Open access
Locations
  • npj Aging and Mechanisms of Disease (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Digital Commons@Becker (Washington University School of Medicine) (submittedVersion, cc-by)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • Nature
Funders
  • Glenn Foundation for Medical Research
  • Fondation pour la Recherche Médicale
  • National Institutes of Health
  • National Institute on Aging (AG037457, R01AG037457, AG047902)
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+, sirtuins, aging, longevity, energy metabolism, mitochondrial-nuclear communication, age-related diseases, NAD+ precursors, NAD+ supplementation

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