中等强度的持续训练降低了甘油三血症,并改善了失脂症apoCIII转基因小鼠的氧气消耗
N R Teixeira Junior1, D R Jimenes2, C Schultz3
1Departamento de Ciências Fisiológicas, Universidade Estadual de Maringá, Maringá, PR, Brasil.
概括
适度运动训练改善了遗传性失脂症小鼠的脂质概况和代谢健康. 身体活动降低了甘油三,胆固醇和脂肪细胞大小,增加了氧气消耗.
科学领域:
- 代谢研究的研究.
- 运动生理学 运动生理学
- 遗传学 是一个遗传学.
背景情况:
- 遗传过度表达的阿波利波蛋白CIII (apoCIII) 诱导过高甘油三和失脂症.
- 转基因小鼠的apoCIII过度表达显示脂肪质量增加和高峰氧气消耗 (V·O2峰值).
研究的目的:
- 研究中等强度持续训练 (MICT) 对遗传性失脂症小鼠的代谢调节和失脂症的影响.
- 评估运动能力和代谢标志物在8周的训练计划之前和之后.
主要方法:
- 三十四只雄性C57Bl/6小鼠被分为非转基因 (NTG) 和apoCIII过度表达 (CIII) 组.
- 经过训练的组 (NTG Ex和CIII Ex) 经过初始劳力测试后接受了为期8周的MICT计划 (40分钟,每周3次).
- 组织和血样本在训练后被分析,以检测代谢标记物和脂肪细胞特征.
主要成果:
- ApoCIII过度表达显著增加了血甘油三,总胆固醇,LDL和VLDL胆固醇.
- 在失脂症小鼠中,MICT降低了甘油三和胆固醇水平.
- 在所有训练过的动物中,运动训练改善了VO2峰值,增加了肌肉糖原,同时减少了脂肪细胞大小.
结论:
- 中等强度的持续训练是一种有效的非药物干预措施,用于改善遗传性失脂症患者的代谢概况.
- 在遗传性失脂症的背景下,运动对脂质代谢,身体组成和心肺健康有积极的影响.
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