Cited by 73Sirtuins and Resveratrol in MedicineBiochemical and Molecular ResearchCalcium signaling and nucleotide metabolism

Regulation of NAD biosynthetic enzymes modulates NAD-sensing processes to shape mammalian cell physiology under varying biological cues

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Ruggieri, Silverio, Orsomando, Giuseppe, Sorci, Leonardo, Raffaelli, Nadia·2015·Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Abstract

In addition to its role as a redox coenzyme, NAD is a substrate of various enzymes that split the molecule to either catalyze covalent modifications of target proteins or convert NAD into biologically active metabolites. The coenzyme bioavailability may be significantly affected by these reactions, with ensuing major impact on energy metabolism, cell survival, and aging. Moreover, through the activity of the NAD-dependent deacetylating sirtuins, NAD behaves as a beacon molecule that reports the cell metabolic state, and accordingly modulates transcriptional responses and metabolic adaptations. In this view, NAD biosynthesis emerges as a highly regulated process: it enables cells to preserve NAD homeostasis in response to significant NAD-consuming events and it can be modulated by various stimuli to induce, via NAD level changes, suitable NAD-mediated metabolic responses. Here we review the current knowledge on the regulation of mammalian NAD biosynthesis, with focus on the relevant rate-limiting enzymes. This article is part of a Special Issue entitled: Cofactor-dependent proteins: evolution, chemical diversity and bio-applications.

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Authors
Ruggieri, S., Orsomando, G., Sorci, L., & Raffaelli, N.
Affiliations
Marche Polytechnic University (IT)
Corresponding author
Raffaelli, Nadia
Venue
Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics
Publisher
Elsevier BV
Published
2015-09
Volume
1854
Issue
9
Pages
1138-1149
ISSN
1570-9639 (ISSN-L)
OpenAlex
W1992492146
Cited by
71
References
176
Citations by year
2026: 3 · 2024: 5 · 2023: 2 · 2022: 7 · 2021: 10 · 2020: 5 · 2019: 8 · 2018: 5 · 2017: 8 · 2016: 11 · 2015: 7
FWCI
1.08
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics (publishedVersion)
  • PubMed (publishedVersion)
  • Università Politecnica delle Marche (Università Politecnica delle Marche) (submittedVersion, other-oa)
Funders
  • Ministero dell’Istruzione, dell’Università e della Ricerca
  • Università Politecnica delle Marche
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Molecular Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Calcium signaling and nucleotide metabolism
Keywords
NAD biosynthesis, NAD+ homeostasis, sirtuins, NAD+-dependent deacetylation, rate-limiting enzyme, metabolic status, energy metabolism, aging
MeSH terms
Nicotinate-Nucleotide Diphosphorylase (Carboxylating), Animals, Cues, Humans, NAD, Pentosyltransferases, Sirtuins, Nicotinamide Phosphoribosyltransferase

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