多omics分析揭示了YAP/TEAD4介导的EIF5A1表达对线粒体亡和膀癌进展的影响
Kun-Peng Li1,2, Shun Wan1,2, Chen-Yang Wang1,2
1Department of Urology, The Second Hospital of Lanzhou University, Lanzhou, China.
细胞启动因子5A1 (EIF5A1) 通过增加侵入性和扩散,促进膀癌 (BLCA) 的进展. 它的上调与预后不佳有关,涉及TEAD4转录因子和JAK2/STAT3信号传递.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 细胞启动因子5A1 (EIF5A1) 是一种已知的亲瘤原始转化因子.
- 它在膀癌 (BLCA) 病原发生中的特定作用以前未被定义.
研究的目的:
- 研究EIF5A1在膀癌中的作用和临床意义.
- 在BLCA中确定受EIF5A1影响的上游监管机构和下游途径.
主要方法:
- 对BLCA患者蛋白质组学,转录组学和临床数据的综合分析.
- 在体外研究包括基因沉默,ChIP测定和光酶记者测定.
- 探索下游的信号通路,包括JAK2/STAT3和线粒体亡.
主要成果:
- 在BLCA组织和细胞中,EIF5A1显著升级,与预后不佳相关.
- EIF5A1沉默降低了BLCA细胞的侵入性和增殖.
- 确定YAP/TEAD4是调节EIF5A1的关键转录因子,通过JAK2/STAT3激活影响线粒体亡.
结论:
- EIF5A1是BLCA进展的关键驱动因素,也是潜在的预后生物标志物.
- TEAD4是BLCA中EIF5A1的转录调节者.
- EIF5A1通过调节JAK2/STAT3信号和线粒体亡来影响BLCA.
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