Effects of Aging, Long-Term and Lifelong Exercise on the Urinary Metabolic Footprint of Rats

被引:2
|
作者
Tzimou, Anastasia [1 ]
Nikolaidis, Stefanos [1 ]
Begou, Olga [2 ,3 ]
Siopi, Aikaterina [1 ]
Deda, Olga [3 ,4 ]
Taitzoglou, Ioannis [5 ]
Theodoridis, Georgios [2 ,3 ]
Mougios, Vassilis [1 ]
机构
[1] Aristotle Univ Thessaloniki, Sch Phys Educ & Sports Sci, Lab Evaluat Human Biol Performance, Thessaloniki 54124, Greece
[2] Aristotle Univ Thessaloniki, Dept Chem, Lab Analyt Chem, Thessaloniki 54124, Greece
[3] Aristotle Univ Thessaloniki, Bioanal & Omics Lab, Innovat Area Thessaloniki, Biom Auth,Ctr Interdisciplinary Res, Thessaloniki 57001, Greece
[4] Aristotle Univ Thessaloniki, Sch Med, Lab Forens Med & Toxicol, Thessaloniki 54124, Greece
[5] Aristotle Univ Thessaloniki, Sch Vet Med, Lab Physiol, Thessaloniki 54124, Greece
关键词
exercise; aging; urinary metabolites; liquid chromatography-mass spectrometry (LC/MS); PHYSICAL-ACTIVITY; AEROBIC EXERCISE; AGE; H-1-NMR; GENDER; BLOOD; NORMALIZATION; FINGERPRINT; PROFILES; FITNESS;
D O I
10.3390/metabo10120481
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Life expectancy has risen in the past decades, resulting in an increase in the number of aged individuals. Exercise remains one of the most cost-effective treatments against disease and the physical consequences of aging. The purpose of this research was to investigate the effects of aging, long-term and lifelong exercise on the rat urinary metabolome. Thirty-six male Wistar rats were divided into four equal groups: exercise from 3 to 12 months of age (A), lifelong exercise from 3 to 21 months of age (B), no exercise (C), and exercise from 12 to 21 months of age (D). Exercise consisted in swimming for 20 min/day, 5 days/week. Urine samples collection was performed at 3, 12 and 21 months of life and their analysis was conducted by liquid chromatography-mass spectrometry. Multivariate analysis of the metabolite data did not show any discrimination between groups at any of the three aforementioned ages. However, multivariate analysis discriminated the three ages clearly when the groups were treated as one. Univariate analysis showed that training increased the levels of urinary amino acids and possibly protected against sarcopenia, as evidenced by the higher levels of creatine in the exercising groups. Aging was accompanied by decreased levels of urinary amino acids and signs of increased glycolysis. Concluding, both aging and, to a lesser degree, exercise affected the rat urinary metabolome, including metabolites related to energy metabolism, with exercise showing a potential to mitigate the consequences of aging.
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页码:1 / 17
页数:17
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