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Kaho Takigawa Rintaro Matsuda Ran Uchitomi Takumi Onishi Yukino Hatazawa 《Bioscience, biotechnology, and biochemistry》2019,83(3):518-524
We examined the effect of long-term exercise on the prevention of sarcopenia using a senescence-accelerated-prone mice (SAMP8) model. Mice were housed in a wheel cage for 25 weeks to increase voluntary exercise. At week 23, endurance running capacity was examined using a treadmill. In a treadmill running test, the wheel cage group had increased endurance running capacity, which suggests that aging-related loss of muscle function was recovered by long-term exercise. Mice were sacrificed and microarray analysis revealed that genes involved in protein synthesis and degradation were upregulated in the skeletal muscles of the wheel cage group, suggesting accelerated protein turnover. Total body and adipose tissue weights decreased following the use of the wheel cage. Thus, long-term, spontaneous physical exercise may assist in recovering from aging-related sarcopenia (loss of muscle function) and obesity. 相似文献