MRPL13 缺乏引发热囊细胞线粒体未折叠蛋白质反应在早期发病的孕前症
Xiaoxu Chen1, Qinying Zhu1, Wang Liying1
1National Clinical Research Center for Women's Health and Obstetric and Gynecologic Diseases, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College.
概括
与减少MRPL13相关的线粒体功能障碍,通过损害热原体细胞功能,加剧了早期发病的孕前. 这项研究强调了MRPL13在线粒体展开蛋白反应 (UPRmt) 中的作用及其对妊娠并发症的影响.
科学领域:
- 产科和妇科 产科和妇科
- 细胞生物学 细胞生物学
- 线粒体生物学 线粒体生物学
背景情况:
- 早期发病的孕前 (EOPE) 显著导致围产期发病率和死亡率.
- 线粒体功能障碍与EOPE的发病有关.
- 了解胎盘 trofhoblasts 中的分子机制对于 EOPE 研究至关重要.
研究的目的:
- 调查线粒体功能障碍在EOPE中的作用.
- 从EOPE患者的胎盘 trofhoblasts中识别差异表达的蛋白质.
- 阐明特定蛋白质下调对热囊细胞的功能影响.
主要方法:
- 来自EOPE患者和健康对照的胎盘 trofhoblasts 的蛋白质组测序.
- 西方涂抹和免疫光用于蛋白质验证.
- 在细胞细胞系 (HTR8/SVneo,BeWo) 中通过siRNA介导的淘汰,以研究功能后果.
主要成果:
- 鉴定了280种不同表达的蛋白质,与线粒体核糖体蛋白的下调调节.
- 在EOPE胎盘中显著减少MRPL13和MRPL9的表达.
- 击倒MRPL13加剧了线粒体展开蛋白质反应 (UPRmt),抑制了细胞迁移,并增强了自.
结论:
- 降低MRPL13的调节有助于EOPE中的线粒体功能障碍.
- MRPL13 影响 trofhoblast 细胞迁移,增殖和通过 UPRmt 侵入.
- MRPL13 缺乏是早期发病的孕前的潜在病原因.
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