Cited by 277Sirtuins and Resveratrol in MedicineHearing, Cochlea, Tinnitus, GeneticsHearing Loss and Rehabilitation

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

Activation of SIRT3 by the NAD(+) precursor nicotinamide riboside protects from noise-induced hearing loss

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Abstract

Intense noise exposure causes hearing loss by inducing degeneration of spiral ganglia neurites that innervate cochlear hair cells. Nicotinamide adenine dinucleotide (NAD(+)) exhibits axon-protective effects in cultured neurons; however, its ability to block degeneration in vivo has been difficult to establish due to its poor cell permeability and serum instability. Here, we describe a strategy to increase cochlear NAD(+) levels in mice by administering nicotinamide riboside (NR), a recently described NAD(+) precursor. We find that administration of NR, even after noise exposure, prevents noise-induced hearing loss (NIHL) and spiral ganglia neurite degeneration. These effects are mediated by the NAD(+)-dependent mitochondrial sirtuin, SIRT3, since SIRT3-overexpressing mice are resistant to NIHL and SIRT3 deletion abrogates the protective effects of NR and expression of NAD(+) biosynthetic enzymes. These findings reveal that administration of NR activates a NAD(+)-SIRT3 pathway that reduces neurite degeneration caused by noise exposure.

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Crossref · 10.1016/j.cmet.2014.11.003

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Metadata

Authors
Brown, K. D., Maqsood, S., Huang, J.-Y., Pan, Y., Harkcom, W., Li, W., Sauve, A., Verdin, E., & Jaffrey, S. R.
Affiliations
  • Cornell University (US)
  • Gladstone Institutes (US)
Corresponding author
  • Brown, Kevin D.
  • Verdin, Eric
  • Jaffrey, Samie R.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2014-12
Volume
20
Issue
6
Pages
1059-1068
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2044697772
Cited by
277
References
55
Citations by year
2026: 9 · 2025: 16 · 2024: 17 · 2023: 24 · 2022: 33 · 2021: 26 · 2020: 29 · 2019: 27 · 2018: 30 · 2017: 26 · 2016: 24 · 2015: 14 · 2014: 2
FWCI
11.22
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • New York State Department of Health
  • National Institutes of Health
  • Weill Cornell Medical College
  • National Cancer Institute (R21CA176638, CA176638)
  • National Institute of Neurological Disorders and Stroke (NS56306, R01NS056306)
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Neuroscience › Sensory Systems › Hearing, Cochlea, Tinnitus, Genetics
  • Health Sciences › Health Professions › Speech and Hearing › Hearing Loss and Rehabilitation
Keywords
noise-induced hearing loss, nicotinamide riboside, SIRT3, NAD+, spiral ganglion neurons, neurite degeneration, cochlear hair cells, mitochondrial sirtuins, NAD biosynthesis, axon protection, neuroprotection
MeSH terms
Animals, Female, Hearing Loss, Noise-Induced, Male, NAD, Niacinamide, Pyridinium Compounds, Mice, Sirtuin 3

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