不同强度运动处方对老年肥胖大鼠内脏脂肪Vaspin mRNA、蛋白表达和血Vaspin浓度的影响
[Abstract]:Objective to investigate the effects of different intensity exercise prescriptions on the expression of (Vaspin) mRNA, protein and the concentration of serum Vaspin in visceral adipose tissue specific serine protease inhibitor (Vaspin) mRNA,) in aged obese rats. Methods male SD young rats of clean grade were selected to gain weight according to the three stages of growth and development, adult and old. Six naturally growing aged rats were selected as the blank control group. Eighteen obese aged rats were randomly divided into 3 groups: obese control group, low intensity exercise group and moderate intensity exercise group. The exercise prescriptions were 12 m/min 脳 15 min for 4 groups, 5 minutes for 60 min/, 15 m/min 脳 15 minutes for each time, and 5 minutes for 60 min/. The slope of treadmill was 0 掳/ week for 8 weeks. After exercise intervention, the expression of Vaspin mRNA in visceral adipose tissue was measured by qRT-PCR, the expression of protein was measured by WB, and the concentration of blood Vaspin was measured by Elisa. Results after exercise intervention, (1) Vaspin mRNA expression in obese group (25.761 卤11.581) was higher than that in blank control group (12.161 卤5.648), low intensity exercise group (10.482 卤2.668), moderate intensity exercise group (13.478 卤5.115) was lower than obese control group (P0.01), and moderate intensity exercise group was higher than low intensity exercise group. But there was no significant difference (P0.05). (2) Vaspin protein expression: obese control group was higher than blank control group (P0.01), low-intensity exercise group was lower than obese control group (P0.05), but moderate intensity exercise group was higher than obese control group (P0.01). (3) serum Vaspin concentration: obesity control group [(25.000 卤3.767) ng/m L] was high. In the blank control group [(23.765 卤3.045) ng/m L], the low intensity exercise group [(25.637 卤5.240) ng/mL] and the moderate intensity exercise group [(26.422 卤3.4175) ng/mL] were higher than those in the obese control group. But there was no significant difference in blood glucose (P0.05). (4). Insulin sensitivity index (ISI) in obese group [(17.930 卤6.094) mg/dL] was higher than that in blank control group [(11.636 卤3.568) mg/dL] (P0.01), insulin sensitivity index in obese control group (0.369 卤0.017) was lower than that in blank control group (0.394 卤0.019), but the difference was not statistically significant (P0.05), low [(13.362 卤1.819) mg/dL], moderate exercise group [(12.842 卤1.905) mg/dL] In the obese control group (P0.05), the insulin sensitivity index [(0.385 卤0.018), (0.396 卤0.015)] was higher than that in the obese control group (P0.01). Conclusion the Vaspin mRNA expression, protein expression and plasma content of visceral fat were higher in aged obese rats. Low intensity exercise decreased the expression of Vaspin mRNA gene and protein, increased exercise intensity and increased the expression of Vaspin mRNA and protein, as well as the level of plasma Vaspin.
【作者单位】: 安徽师范大学体育学院;
【基金】:安徽师范大学研究生科研创新与实践重点项目(No.2015cxsj011zd)
【分类号】:R589.2
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