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Nipon Chattipakorn 1 Article
Diabetes, Obesity and Metabolism
High Cardiorespiratory Fitness Protects against Molecular Impairments of Metabolism, Heart, and Brain with Higher Efficacy in Obesity-Induced Premature Aging
Patcharapong Pantiya, Chanisa Thonusin, Natticha Sumneang, Benjamin Ongnok, Titikorn Chunchai, Sasiwan Kerdphoo, Thidarat Jaiwongkam, Busarin Arunsak, Natthaphat Siri-Angkul, Sirawit Sriwichaiin, Nipon Chattipakorn, Siriporn C. Chattipakorn
Endocrinol Metab. 2022;37(4):630-640.   Published online August 5, 2022
DOI: https://doi.org/10.3803/EnM.2022.1430
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  • 3 Web of Science
  • 3 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
High cardiorespiratory fitness (CRF) protects against age-related diseases. However, the mechanisms mediating the protective effect of high intrinsic CRF against metabolic, cardiac, and brain impairments in non-obese versus obese conditions remain incompletely understood. We aimed to identify the mechanisms through which high intrinsic CRF protects against metabolic, cardiac, and brain impairments in non-obese versus obese untrained rats.
Methods
Seven-week-old male Wistar rats were divided into two groups (n=8 per group) to receive either a normal diet or a highfat diet (HFD). At weeks 12 and 28, CRF, carbohydrate and fatty acid oxidation, cardiac function, and metabolic parameters were evaluated. At week 28, behavior tests were performed. At the end of week 28, rats were euthanized to collect heart and brain samples for molecular studies.
Results
The obese rats exhibited higher values for aging-related parameters than the non-obese rats, indicating that they experienced obesity-induced premature aging. High baseline CRF levels were positively correlated with several favorable metabolic, cardiac, and brain parameters at follow-up. Specifically, the protective effects of high CRF against metabolic, cardiac, and brain impairments were mediated by the modulation of body weight and composition, the lipid profile, substrate oxidation, mitochondrial function, insulin signaling, autophagy, apoptosis, inflammation, oxidative stress, cardiac function, neurogenesis, blood-brain barrier, synaptic function, accumulation of Alzheimer’s disease-related proteins, and cognition. Interestingly, this effect was more obvious in HFD-fed rats.
Conclusion
The protective effect of high CRF is mediated by the modulation of several mechanisms. These effects exhibit greater efficacy under conditions of obesity-induced premature aging.

Citations

Citations to this article as recorded by  
  • Associations that Cardiorespiratory Fitness and Body Mass Index Loss Have with Deficit Accumulation Frailty
    KAYLONI OLSON, DENISE K. HOUSTON, JOHNATHAN ROSS, RENA R. WING, FELICIA R. SIMPSON, AMBARISH PANDEY, MICHAEL P. WALKUP, MIA YANG, MARK A. ESPELAND
    Medicine & Science in Sports & Exercise.2024; 56(4): 717.     CrossRef
  • Interplay between obesity and aging on myocardial geometry and function: Role of leptin-STAT3-stress signaling
    Wei Jin, Fei Tu, Feng Dong, Qinqin Deng, Miyesaier Abudureyimu, Wei Yu, Guo-jun Cai, Jian-ming Pei, Zhaohui Pei, Jun Ren
    Biochimica et Biophysica Acta (BBA) - General Subjects.2023; 1867(2): 130281.     CrossRef
  • Epidemiological, mechanistic, and practical bases for assessment of cardiorespiratory fitness and muscle status in adults in healthcare settings
    Jaime A. Gallo-Villegas, Juan C. Calderón
    European Journal of Applied Physiology.2023; 123(5): 945.     CrossRef
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