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Effects of high intensity interval training (up & downward running) with BCAA/nano chitosan on Foxo3 and SMAD soleus muscles of aging rat.
Life Sciences ( IF 5.2 ) Pub Date : 2020-04-06 , DOI: 10.1016/j.lfs.2020.117641
Salimeh Sadri 1 , Gholamreza Sharifi 1 , Khosro Jalali Dehkordi 1
Affiliation  

AIMS The aim of this study was investigate the effects of 8 weeks of high intensity interval training (HIIT, up & downward running) with BCAA/nano chitosan on Foxo3 and SMAD soleus muscles of aging rats. MAIN METHODS In this experimental study thirty male rats were randomly divided into six groups of control, BCAA with Nano chitosan (Supplement, (Sup)), upslope running, downslope running, upslope running+Sup, and downslope running+Sup that each groups consist of 6 rats. The exercise training was performed HIIT 8 weeks 3 session per weeks with incrementally intensity 12 to 52 m/m in 7sets (Slop 0 to 15o) during 8 weeks. BCAA coated with chitosan nanoparticles (84 mg/kg) and gavage to supplementation groups, 3 days per weeks for eight weeks. The animals were feed with standard rat chow (Normal diet, 2.87 kcal/g, 15% of energy from fat). At the end of protocol the rat was sacrifice and soleus muscle was fix and frieze for IHC with H&E and gene expression analysis. KEY FINDINGS The results of this study showed that Foxo3 gene expression in the Upslope running + Sup and Downslope running + Sup groups showed a significant decrease (p ≤ 0.05) compared to the control group. The mRNA of Smad also showed that only the Upslope running + Sup group had a significant decrease compared to the control group (p ≤ 0.05). SIGNIFICANCE It seems that, BCAA/nano chitosan supplementation along with exercise training in a variety of ways (Up & down slope running) can control the damage caused by Foxo3 and Smad transcription factors. That, control of these factors can minimize age-related atrophy.

中文翻译:

BCAA /纳米壳聚糖高强度间歇训练(向上和向下跑步)对衰老大鼠的Foxo3和SMAD比目鱼肌的影响。

目的本研究的目的是研究BCAA /纳米壳聚糖进行的8周高强度间歇训练(HIIT,上下运动)对衰老大鼠Foxo3和SMAD比目鱼肌的影响。主要方法在本实验研究中,将30只雄性大鼠随机分为6组,每组由纳米壳聚糖的BCAA(补充,(Sup)),上坡跑,下坡跑,上坡跑+ Sup和下坡跑+ Sup组成,每组组成6只大鼠。运动训练每星期3次,每8周进行一次HIIT,在8周内以7组(斜率0至15o)递增强度为12至52 m / m。BCAA涂有壳聚糖纳米颗粒(84 mg / kg)并强饲至补充组,每周3天,共8周。用标准大鼠食物喂养动物(正常饮食,2.87 kcal / g,脂肪中15%的能量)。方案结束时,通过H&E和基因表达分析,处死大鼠并固定比目鱼肌,进行IHC的条带化。主要发现这项研究的结果表明,与对照组相比,上坡跑+ Sup组和下坡跑+ Sup组中的Foxo3基因表达显着降低(p≤0.05)。Smad的mRNA也显示,与对照组相比,仅Upslope running + Sup组有显着降低(p≤0.05)。意义似乎,BCAA /纳米壳聚糖的补充以及以各种方式(上下坡跑)进行的运动训练可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。E和基因表达分析。主要发现这项研究的结果表明,与对照组相比,上坡跑+ Sup组和下坡跑+ Sup组中的Foxo3基因表达显着降低(p≤0.05)。Smad的mRNA也显示,与对照组相比,仅Upslope running + Sup组有显着降低(p≤0.05)。意义似乎,BCAA /纳米壳聚糖的补充以及以各种方式(上下坡跑)进行的运动训练可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。E和基因表达分析。主要发现这项研究的结果表明,与对照组相比,上坡跑+ Sup组和下坡跑+ Sup组中的Foxo3基因表达显着降低(p≤0.05)。Smad的mRNA也显示,与对照组相比,仅Upslope running + Sup组有显着降低(p≤0.05)。意义似乎,通过多种方式(上坡和下坡跑步)补充BCAA /纳米壳聚糖并进行运动训练可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。主要发现这项研究的结果表明,与对照组相比,上坡跑+ Sup组和下坡跑+ Sup组中的Foxo3基因表达显着降低(p≤0.05)。Smad的mRNA也显示,与对照组相比,仅Upslope running + Sup组有显着降低(p≤0.05)。意义似乎,BCAA /纳米壳聚糖的补充以及以各种方式(上下坡跑)进行的运动训练可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。主要发现这项研究的结果表明,与对照组相比,上坡跑+ Sup组和下坡跑+ Sup组中的Foxo3基因表达显着降低(p≤0.05)。Smad的mRNA也显示,与对照组相比,仅Upslope running + Sup组有显着降低(p≤0.05)。意义似乎,通过多种方式(上坡和下坡跑步)补充BCAA /纳米壳聚糖并进行运动训练可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。BCAA /纳米壳聚糖的补充以及通过各种方式的运动训练(上坡和下坡跑步)可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。BCAA /纳米壳聚糖的补充以及通过各种方式的运动训练(上坡和下坡跑步)可以控制Foxo3和Smad转录因子引起的损伤。那就是,控制这些因素可以使与年龄有关的萎缩最小化。
更新日期:2020-04-06
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