亚迪波涅丁受体1可以解释2型糖尿病大鼠的运动训练引起的认知改善的分子基础上的性别差异
Mohammad Amin Rajizadeh1,2,3, Amirhossein Moslemizadeh4, Mahdieh Sadat Hosseini2
1Student Research Committee, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
Scientific reports
|September 27, 2023
概括
高强度间歇训练 (HIIT) 在雄性和雌性大鼠中对2型糖尿病引起的认知障碍产生不同的影响. 虽然男性在炼时表现出更大的改善,但女性体验到与认知衰退相关的标志物中炼诱导的增加.
科学领域:
- 内分泌学和新陈代谢学
- 神经科学是一个神经科学.
- 运动生理学 运动生理学
背景情况:
- 阿迪波金失调是糖尿病引起的认知障碍 (CI) 的主要驱动因素.
- 这种失调表现出一种性别依赖的模式,影响了基线状态和对运动的反应.
- 了解这些性别差异对于开发有针对性的干预措施至关重要.
研究的目的:
- 为了比较8周高强度间歇训练 (HIIT) 在减轻2型糖尿病 (T2D) 引起的认知障碍的有效性,男性和女性大鼠.
- 调查阿迪波涅丁和莱普丁在调解这些性别依赖性影响中的特定作用.
- 分析HIIT对海马体关键分子通路的影响.
主要方法:
- 28只雄性和28只雌性Wistar大鼠被分为控制,运动,T2D和T2D+运动组.
- 使用高脂肪饮食和链毒素 (STZ) 诱导T2D.
- 进行HIIT训练,持续8周. 测量了血清阿迪波金,海马受体表达 (莱普,阿迪波内克),AMPK,GSK3β,Tau和Aβ水平. 计算了胰岛素敏感性指数 (HOMA-IR, QUICKI).
主要成果:
- 在T2D后,雌性大鼠表现出较高的血清腺素和海马腺素受体1 (APNR1),但与雄性相比,HOMA-IR较低.
- 在HIIT之后,雌性大鼠的海马APNR1和AMPK水平下降,与雄性相比,GSK3β,Tau和Aβ水平增加.
- 在雄性大鼠中,HIIT对认知障碍标志物表现出更明显的改善效应,而阿迪波内克丁起着关键作用.
结论:
- 2型糖尿病诱导的认知障碍,在阿迪波金和相关分子通路中存在性别特异的变化.
- 高强度间歇训练在雄性和雌性大鼠之间对认知功能和相关生物标志物有不同的影响.
- 在T2D的背景下,阿迪波涅丁似乎是认知功能对运动的性别依赖反应的关键调解者.
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