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    题名: Resveratrol enhanced FOXO3 phosphorylation via synergetic activation of SIRT1 and PI3K/Akt signaling to improve the effects of exercise in elderly rat hearts
    作者: Chih-Hsueh, L;Lin, Chih-Hsueh;Cheng-Chieh;Lin, Cheng-Chieh;Ting, Wei-Jen;Ting, Wei-Jen;Pai, Pei-Ying;Pai, Pei-Ying;郭家驊;何宗融;Kuo, Wei-Wen;Kuo, Wei-Wen;Cha, Chung-Ho;Chang, Chung-Ho;黃志揚;Huang, Chih-yang;*;Lin, Wan-Teng;Lin, Wan-Teng
    贡献者: 生物科技學系
    日期: 2014
    上传时间: 2014-11-07 14:52:45 (UTC+8)
    摘要: Exercise training is considered a benefit to heart function, but the benefit in aging hearts remains unknown. Activation of the PI3K-Akt survival pathway and suppression of Fas/FADD/caspase-8 apoptotic signaling by exercise training in hearts from young subjects have been described in our previous studies. However, the mechanisms are still unclear and need to be explored in aging hearts. Thus, 18-month-old rats were used as a model and underwent swimming exercise training, resveratrol treatment (15 mg/kg/day), or exercise training with resveratrol treatment for 1 month. The results showed that heart function in each group improved. However, the 18-month-old rats in the exercise-only group experienced the slightly inevitable impact of increased TNF-α, cell apoptosis, and fibrosis. In the protein analysis, the PI3K-Akt pathway was slightly increased with exercise training and resveratrol treatment, but Sirtuin 1 (SIRT1) was only highly activated with resveratrol treatment in the aged rat hearts. Moreover, the exercise training plus resveratrol group benefited from SIRT1 and PI3K-Akt dual pathways and blocked FOXO3 accumulation. Our experimental results strongly suggest that resveratrol treatment improves the beneficial effects of exercise training in aging rat hearts.
    關聯: AGE;36(5):9705.
    显示于类别:[生物科技學系] 期刊論文




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