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RBM15B通过PCNA m6A修改促进前列腺癌细胞的增殖
Huan Cheng1, Zeyu Chen2, Yong Wang1
1Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
Cell biochemistry and biophysics
|October 3, 2024
概括
通过增加PCNA mRNA的稳定性,促进前列腺癌 (PC) 细胞增殖的RNA结合动机蛋白15B (RBM15B). 这通过YTHDF1介导的N6-甲基氨酸 (m6A) 修改发生,突出显示RBM15B是PC的潜在治疗标.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 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:
- 前列腺癌 (PC) 是男性的主要癌症,由异常细胞增殖驱动.
- RNA结合动机蛋白15B (RBM15B) 与癌症有关,但其在PC中的特定作用需要阐明.
研究的目的:
- 研究RBM15B在前列腺癌 (PC) 细胞增殖中的作用.
- 阐明RBM15B影响PC进展的分子机制,重点关注N6-甲基氨酸 (m6A) 修饰和PCNA mRNA稳定性.
主要方法:
- 使用Starbase数据库对PC患者RBM15B表达的生物信息分析.
- 在PC细胞中检测RBM15B和增殖细胞核抗原 (PCNA) 表达.
- 细胞增殖试验,m6A水平量化,RNA免疫沉 (RIP) 和mRNA稳定性试验在RBM15B淘汰后进行.
- 在体内验证使用裸体老鼠异种移植模型.
主要成果:
- 发现RBM15B在PC中受到上调.
- 抗击RBM15B显著降低了PC细胞的增殖,殖民地形成和EDU阳性细胞.
- RBM15B促进了PCNA mRNA的m6A修饰,通过YTHDF1结合增强了其稳定性.
- 过度表达PCNA抵消了RBM15B对PC细胞增殖的抑制作用.
结论:
- 通过通过YTHDF1-介导的m6A修饰稳定PCNA mRNA,RBM15B促进PC细胞的增殖.
- RBM15B代表了前列腺癌治疗的潜在治疗标.
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