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在膀癌中,circCD2AP通过调节FOXQ1/USP21轴来促进表皮介质转换和干性
Jinrong Wang1, Jing Tan1, Yichuan Zhang1
1Department of Urology, The Third Xiangya Hospital of Central South University, Changsha 410013, Hunan Province, China.
循环RNAcircCD2AP通过增强细胞干细胞和上皮-介质细胞过渡 (EMT) 来促进膀癌 (BC) 的进展. 这项研究揭示了circCD2AP/ELAVL1/USP21/FOXQ1通路作为BC的关键调节器,提供了潜在的治疗点.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 膀癌 (BC) 是一个重要的全球健康挑战,死亡率高.
- 循环RNAs (circRNAs) 越来越多地被认为是它们在癌症发展中的作用.
- circCD2AP已经涉及到BC,但其精确的功能和调节机制需要阐明.
研究的目的:
- 研究circCD2AP在膀癌进展中的作用和机制.
- 探索BC中circCD2AP,ELAVL1,USP21和FOXQ1之间的关系.
- 评估circCD2AP对表皮层-介质细胞过渡 (EMT) 和BC癌症干的影响.
主要方法:
- 定量实时PCR测量circCD2AP表达的方法.
- 细胞测定 (体外) 和动物模型 (体内) 来评估EMT和干性.
- RNA免疫沉和西式涂抹以调查分子相互作用和蛋白质稳定性.
主要成果:
- 在BC组织中,circCD2AP表达显著上调,与预后不佳相关.
- 抑制circCD2AP或USP21抑制BC细胞EMT和干细胞在体外和体内.
- 通过与ELAVL1相互作用,circCD2AP稳定了USP21mRNA,从而抑制了FOXQ1的无化和降解.
结论:
- 该circCD2AP/ELAVL1/USP21/FOXQ1轴在调节BC细胞EMT和干性方面发挥着至关重要的作用.
- 这一途径有助于膀癌的进展.
- 了解这个调节轴为BC治疗提供了潜在的治疗点.
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