Cited by 39Sirtuins and Resveratrol in MedicineAdipose Tissue and MetabolismExercise and Physiological Responses

Unraveling the Complexities of SIRT1-Mediated Mitochondrial Regulation in Skeletal Muscle

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Philp, Andrew, Schenk, Simon·2013·Exercise and Sport Sciences Reviews

Abstract

In Brief Sirtuin 1 (SIRT1) is a purported central regulator of skeletal muscle mitochondrial biogenesis. Herein, we discuss our recent work using conditional mouse models, which highlight the complexities of SIRT1 biology in vivo, and question the role of SIRT1 in regulating mitochondrial function and mitochondrial adaptations to endurance exercise. Furthermore, we discuss the possible contribution of proposed SIRT1 substrates to muscle mitochondrial biogenesis. Endurance exercise–induced increases in skeletal muscle mitochondrial content are proposed to work through SIRT1 and its downstream substrates.

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Crossref · 10.1097/jes.0b013e3182956803

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  • SIRT1 is activated by metabolic stress and, through its relationship with lactate/NAD+, is activated in an intensity-dependent manner.

    “Like AMPK, SIRT1 is activated by metabolic stress and as a result of its relationship with lactate/NAD+, is activated in an intensity-dependent manner [56].”

    From Using Molecular Biology to Maximize Concurrent Training (2014) · cites this paper as [56]

    The “SIRT1 signaling in skeletal muscle” section describes SIRT1 as a metabolic sensor sensitive to changes in lactate and NAD+. The “SIRT1 and AMPK” section also reports SIRT1 activation following a rise in NAD+. Neither passage establishes that SIRT1 activation varies with exercise intensity, so the intensity-dependent part is unsupported. (LLM, conf=0.86)

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Authors
Philp, A., & Schenk, S.
Affiliations
  • University of Birmingham (GB)
  • University of California San Diego (US)
Corresponding author
Schenk, Simon
Venue
Exercise and Sport Sciences Reviews
Published
2013-07
Volume
41
Issue
3
Pages
174-181
ISSN
0091-6331 (ISSN-L)
OpenAlex
W1980290138
Cited by
39
References
35
Citations by year
2024: 2 · 2023: 2 · 2022: 6 · 2021: 3 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 6 · 2016: 3 · 2015: 1 · 2014: 6 · 2013: 1
FWCI
0.35
Type
journal article
Language
en
Open access
Locations
  • Exercise and Sport Sciences Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (R01AG043120)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (P30AR061303, P30AR058878)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R24HD050837)
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
SIRT1, sirtuins, skeletal muscle, mitochondrial biogenesis, mitochondrial function, endurance exercise, exercise adaptation, conditional mouse model
MeSH terms
Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha, Animals, Oxidation-Reduction, Physical Conditioning, Animal, Transcription Factors, Signal Transduction, Tumor Suppressor Protein p53, Cyclic AMP Response Element-Binding Protein, Muscle, Skeletal, AMP-Activated Protein Kinases, Sirtuin 1, Mitochondrial Turnover, MEF2 Transcription Factors

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