亞精胺對高溫中強度跑臺運動小鼠抗氧化能力作用的研究
[Abstract]:Objective: To explore the effect of Spermidine (SPD) on the anti oxidation ability of the long-term and one-time high temperature treadmill exercise mice. Methods: 72 male Kunming mice without significant difference were randomly divided into two large groups, one time group and long-term group. Each group was randomly divided into six groups, 12 groups and six groups in each group. They were ONIS (LNIS), Vc group (OHIVc, LHIVc), low dose group (OLSPD, LLSPD) of intensity running platform in high temperature (OLSPD, LLSPD), middle dose group (OTSPD, LTSPD) in high temperature treadmill exercise subspermine (OTSPD, LTSPD), and high dose of high intensity treadmill exercise in high temperature. Group (OHSPD, LHSPD), high temperature OHIS (LHIS) of intensity running table exercise (LHIS), each group of 6, long-term group training for 8 weeks, 5d/w, one day group experiment one day, during the experimental period 10 a.m. gavage, the drug standard is: low, middle, high dose group (0.5mmol/kg, 1mmol/kg, 1.5mmol/kg) in high temperature treadmill exercise; high temperature and normal temperature. The intensity run table exercise physiological saline group (0.86%) and the positive control group high temperature intensity run platform exercise Vc group (1.2g/L). The middle intensity run platform training at two o'clock in the afternoon, the medium intensity is trained at the speed of 12m/min, every day training 10min, the sixth days, the speed of the running platform increases 3m/min, increases to 18m/min stop, and the duration increases 10min in the next day. The room temperature and high temperature room temperature were 23, 39, 39, 50%, 50%, 0 and no weight. Results: 1) after one time and 8 weeks of high temperature treadmill training, it was found that the effects of different doses of SPD on the antioxidant indices of the high temperature mice were different.2 for 8 weeks for 8 weeks. After LHIS compared with LNIS, the level of MDA, H2O2 in the myocardium and liver tissues of Kunming mice increased significantly (P0.05), the activity of GSH-Px and T-SOD and T-AOC decreased significantly (P0.05), and the T-SOD activity in the serum and myocardium of mice decreased significantly (P0.01), and the NO content was not significantly changed. The content of MDA and H2O2 in serum and myocardium decreased significantly (P0.01), the activity of GSH-Px in serum and myocardium increased significantly (P0.01), the content of NO in myocardium increased significantly (P0.05), serum, myocardial and gastrocnemius T-AOC increased significantly (P0.05), MDA in the liver and significantly decreased (P0.05). In contrast, there was no significant difference (P0.05), and the myocardial effect was.3). The intensity run platform training at one time high temperature showed that after OHIS compared with ONIS, it was found that the content of MDA and H2O2 in mice serum, myocardium, liver and gastrocnemius increased significantly (P0.05), GSH-Px and T-SOD activity and T-AOC significantly decreased (P0.05). The content of NO in myocardium and gastrocnemius decreased significantly (P0.05), NO content in the liver was not significantly changed (P0.05); OTSPD compared with OHIS, MDA content decreased significantly (P0.05), OTSPD and OHIVc, no significant difference (P0.05), there was no significant difference between other groups (P0.05). Conclusion: 1) the increase of temperature, after the middle strength of Kunming mice, mice serum, liver, The content of MDA, H2O2, NO content, GSH-PX, T-SOD activity and T-AOC decrease in the myocardium and gastrocnemius muscle. High temperature can increase the level of oxidative metabolism, accelerate the formation of free radicals and accelerate the fatigue rate.2 of the body. After long-term use of low dose SPD in Kunming mice, the antioxidant capacity of long run platform in high temperature environment can be significantly improved, compared with the control group. After low dose of SPD, the content of MDA and H2O2 decreased, NO content, GSH-PX, T-SOD activity and T-AOC significantly increased (P0.05). The MDA content in myocardium and serum was significantly decreased (P0.01), GSH-PX activity was significantly increased (P0.01). The myocardial expression was obvious and the low dose was superior to the high dose, the high dose was superior to the middle dose, and the low dose effect was better although superior to that of the middle dose. Vc, but no significant (P0.05).3) the dose of SPD in Kunming mice could increase the antioxidant capacity in the high temperature environment. Compared with the control group, after the middle dose of SPD, the content of MDA and H2O2 in the mice was reduced, the content of NO, GSH-PX, T-SOD activity and T-AOC were improved, but there was no significant difference (P0.05). Taking SPD can have a effect on the level of the body's oxidation and metabolism, and the effect of long-term use of SPD is superior to that of one-time use. The study found that long term use of low dose SPD can effectively improve the ability to protect the motor myocardium of Kunming mice in high temperature environment. The effect of the myocardium is better than the serum, the gastrocnemius and the liver, the free radicals produced by the body in exercise can be cleared quickly. Besides, the body can inhibit or lighten the chain reaction of free radicals in a timely manner. The body's antioxidant capacity is improved and its athletic ability is improved.
【學位授予單位】:新疆師范大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:G804.2
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