Cited by 95Sirtuins and Resveratrol in MedicineAdipose Tissue and MetabolismDiet, Metabolism, and Disease

Head to Head Comparison of Short-Term Treatment with the NAD+ Precursor Nicotinamide Mononucleotide (NMN) and 6 Weeks of Exercise in Obese Female Mice

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Uddin, Golam M., Youngson, Neil A., Sinclair, David A., Morris, Margaret J.·2016·Frontiers in Pharmacology

Abstract

Obesity is well known to be a major cause of several chronic metabolic diseases, which can be partially counteracted by exercise. This is due, in part, to an upregulation of mitochondrial activity through increased nicotinamide adenine dinucleotide (NAD(+)). Recent studies have shown that NAD(+) levels can be increased by using the NAD(+) precursor, nicotinamide mononucleotide (NMN) leading to the suggestion that NMN could be a useful intervention in diet related metabolic disorders. In this study we compared the metabolic, and especially mitochondrial-associated, effects of exercise and NMN in ameliorating the consequences of high-fat diet (HFD) induced obesity in mice. Sixty female 5 week old C57BL6/J mice were allocated across five groups: Chow sedentary: CS; Chow exercise: CEX; HFD sedentary: HS; HFD NMN: HNMN; HFD exercise: HEX (12/group). After 6 weeks of diet, exercise groups underwent treadmill exercise (15 m/min for 45 min), 6 days per week for 6 weeks. NMN or vehicle (500 mg/kg body weight) was injected (i.p.) daily for the last 17 days. No significant alteration in body weight was observed in response to exercise or NMN. The HFD significantly altered adiposity, glucose tolerance, plasma insulin, NADH levels and citrate synthase activity in muscle and liver. HEX and HNMN groups both showed significantly improved glucose tolerance compared to the HS group. NAD(+) levels were increased significantly both in muscle and liver by NMN whereas exercise increased NAD(+) only in muscle. Both NMN and exercise ameliorated the HFD-induced reduction in liver citrate synthase activity. However, exercise, but not NMN, ameliorated citrate synthase activity in muscle. Overall these data suggest that while exercise and NMN-supplementation can induce similar reversal of the glucose intolerance induced by obesity, they are associated with tissue-specific effects and differential alterations to mitochondrial function in muscle and liver.

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Crossref · 10.3389/fphar.2016.00258

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  • NMN enhances mitochondrial function in various organs, including skeletal muscle, kidney, liver, heart, eyes, brain and the cardiovascular system, and can mitigate oxidative stress in the vasculature, including improvements in neurovascular coupling responses in the aged cortex.

    “NMN enhances mitochondrial function in various organs, including skeletal muscle201, kidney202–204, liver203, heart205, eyes206, brain161 and the cardiovascular system207, and can mitigate oxidative stress in the vasculature208, including improvements in neurovascular coupling responses in the aged cortex of the brain209.”

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Authors
Uddin, G. M., Youngson, N. A., Sinclair, D. A., & Morris, M. J.
Affiliations
  • UNSW Sydney (AU)
  • Harvard University (US)
Corresponding author
Morris, Margaret J.
Venue
Frontiers in Pharmacology
Published
2016-08-19
Volume
7
Pages
258-258
ISSN
1663-9812 (ISSN-L)
OpenAlex
W2509657334
Cited by
95
References
54
Citations by year
2026: 2 · 2025: 5 · 2024: 10 · 2023: 15 · 2022: 11 · 2021: 10 · 2020: 13 · 2019: 11 · 2018: 9 · 2017: 9
FWCI
5.55
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Pharmacology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • UNSWorks (UNSW Sydney) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • UNSWorks (University of New South Wales, Sydney, Australia) (submittedVersion, cc-by)
Funders
National Health and Medical Research Council (1044295)
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
Keywords
nicotinamide mononucleotide, NAD+ precursors, physical activity, obesity, high-fat diet, glucose tolerance, insulin, mitochondrial function, citrate synthase, NAD levels, muscle, liver, adiposity, female mice

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