乳化驱动HCG触发的低氧粒状细胞中的白质化
Gang Wu1, Yitong Pan1, Min Chen1
1College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
International journal of biological macromolecules
|September 25, 2024
概括
缺氧通过增加乳酸生产和蛋白质乳酸化 (Kla) 来增强粒粉细胞 (GCs) 的黄素化. 这种新陈代谢过程对于GCs的黄素化和黄体体的形成至关重要.
科学领域:
- 生殖生物学 生殖生物学
- 代谢调节 代谢调节 代谢调节 代谢调节
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- 粒粉细胞 (GC) 化对于排卵和黄体体的形成至关重要.
- 缺氧和乳酸生产与卵泡发育有关.
- 氨酸乳化 (Kla) 是一种与细胞代谢相关的翻译后修饰.
研究的目的:
- 为了研究低氧诱导的乳酸生产和 lysine 乳糖化在人类胆激素 (hCG) 介导的花质细胞色化中的作用.
- 阐明乳化影响白化标记物和基因表达的分子机制.
主要方法:
- 使用小鼠模型和培养的颗粒细胞进行体内和体外研究.
- 使用hCG诱导白质化,有或没有缺氧.
- 评估黄素化标记物 (孕激素,CYP11A1,STAR表达).
- 使用特定药物 (酸盐,C646) 抑制乳酸生产和乳化.
- 分析基因素 (H3K18la) 和转录因子 (CREB K136la) 乳酸化.
主要成果:
- 缺氧通过增加乳酸生产和蛋白质乳酸化来增强hCG诱导的GC白质化.
- 在低氧条件下观察到升高的黄素化标志物和黄体体的形成.
- 抑制乳酸生产/乳化受损的hCG诱导的化.
- 鉴定出素H3K18la和CREB K136la是低氧GC白质化过程中的关键调解物.
结论:
- 蛋白质乳化在低氧条件下调节粒粉细胞质化方面发挥着新且重要的作用.
- 针对乳酸生产和乳化通路可能为生殖障碍提供治疗策略.
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