Whole Body Vibration Improves Insulin Resistance in db/db Mice: Amelioration of Lipid Accumulation and Oxidative Stress
2016
Liu, Ying | Zhai, Mingming | Guo, Fan | Shi, Tengrui | Liu, Jiangzheng | Wang, Xin | Zhang, Xiaodi | Jing, Da | Hai, Chunxu
Insulin resistance (IR) is the hallmark of type 2 diabetes mellitus (T2DM), which is one of the most important chronic noncommunicable diseases. Effective and feasible strategies to treat IR are still urgently needed. Previous research studies reported that whole body vibration (WBV) was beneficial for IR in clinical; however, its underlying mechanisms remains unknown. In the present study, db/db mice were treated with WBV administration 60 min/day for 12 weeks and the impaired insulin sensitivity was improved. Besides, liver steatosis was also ameliorated. Further explorations revealed that WBV could reduce the expression of SREBP1c and increase the expression of GSH-Px and consequently suppress oxidative stress. In conclusion, WBV attenuates oxidative stress to ameliorate liver steatosis and thus improves insulin resistance in db/db mice. Therefore, WBV administration is a promising treatment for individuals who suffered from central obesity and IR.
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