由于高血糖引起的α-Klotho降低调节会损害细胞和促进T2DM怀孕中胎盘功能障碍
Jianhua Niu1, Bing Han2, Shuxian Wang1
1Department of Obstetrics and Gynaecology, Peking University First Hospital, Beijing, 100034, China; Beijing Key Laboratory of Maternal Foetal Medicine of Gestational Diabetes Mellitus, Beijing, 100034, China.
在2型糖尿病 (T2DM) 怀孕中降低的α-Klotho (α-Klotho) 水平会损害胎盘髓,增加氧化应激,并导致胎盘功能障碍.
科学领域:
- 生殖生物学 生殖生物学
- 内分泌学 在内分泌学.
- 细胞平衡是细胞的平衡.
背景情况:
- 怀孕期间的2型糖尿病 (T2DM) 与由于胎盘功能障碍而导致的孕产妇和胎儿不良结果有关.
- 抗衰老蛋白α-Klotho在T2DM相关的胎盘问题中的作用尚不清楚.
研究的目的:
- 为了研究α-Klotho在T2DM诱导的胎盘功能障碍中的表达和功能.
- 探索将α-Klotho与糖尿病中的胎盘健康联系起来的分子机制.
主要方法:
- 从T2DM的胎盘组织中量化α-Klotho表达和通过qRT-PCR,西部斑块和免疫组织化学控制怀孕.
- 在不同的葡萄糖条件下利用了BeWo热囊细胞培养物与α-Klotho操纵 (敲击/过度表达).
- 进行了转录基因分析,并评估了线粒和反应性氧物种 (ROS) 水平.
主要成果:
- 在T2DM胎盘和高血糖 trofhoblast 细胞中,α-Klotho 表达显着较低.
- 过高血糖和α-Klotho knockdown 损害了线粒和增加了 ROS 生产,表明氧化应激增加.
- α-Klotho 过度表达逆转了这些效应,恢复了线粒和减少了 ROS.
结论:
- 降低α-Klotho的调节有助于T2DM的胎盘功能障碍,通过损害线粒和增加氧化应激.
- α-Klotho 代表了一种潜在的治疗点,用于治疗糖尿病怀孕中胎盘异常.
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