AMPK-mTOR通路调节了在不明原因的复发性自发性流产中糖溶解重编程
Yihong Chen1, Bei Gan1, Shan Zheng1
1Department of Obstetrics and Gynecology, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, Fujian, 350005, P.R. China.
激活AMPK和抑制糖解促进Treg细胞分化,改善未解释的复发性自发性流产 (URSA) 中的妊娠结果. 甲胺和2-DG显示出URSA治疗的潜力.
科学领域:
- 免疫学 免疫学 免疫学
- 生殖生物学 生殖生物学
- 代谢调节 代谢调节 代谢调节
背景情况:
- 无法解释的复发性自发性流产 (URSA) 仍然是一个重要的临床挑战,原因不明.
- CD4+ T 细胞分化,特别是在调节性 T 细胞 (Tregs) 中,与预防URSA有关.
- mTOR在调节CD4+T细胞分化中的机制性作用需要进一步阐明.
研究的目的:
- 研究mTOR在CD4+T细胞分化中的调控作用.
- 评估甲胺 (Met) 和2-脱氧-D-葡萄糖 (2-DG) 对URSA的治疗潜力.
主要方法:
- 临床决定性组织的转录组测序,以确定基因表达差异.
- 在URSA小鼠模型中评估AMPK,mTOR和糖解活性,使用RT-qPCR和Western Blot.
- 流细胞计 (FCM) 和ELISA用于量化CD4+T细胞分化到Th17和Treg子集.
主要成果:
- 与对照组相比,URSA组表现出与女性生殖和Th17细胞分化相关的独特基因表达模式.
- 在URSA小鼠中,AMPK激活和糖解抑制显著降低了流产率 (p=0.0013).
- 这些干预措施抑制了CD4+T细胞分化成Th17细胞,增加了Treg/Th17比率 (p<0.001) 并改善了妊娠结果.
结论:
- 在URSA中,AMPK-mTOR通路在调节糖解和改善妊娠结果方面发挥着至关重要的作用.
- 甲胺和2-脱氧-D-葡萄糖促进CD4+T细胞分化为Treg细胞,为URSA预防提供了潜在的策略.
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