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Updated: May 11, 2025

Induction and Analysis of Epithelial to Mesenchymal Transition
Published on: August 27, 2013
CAPRIN1/TYMS/MTHFD2轴促进EMT过程在鼻癌的发展
Kunrong Wang1, Hanbing Yu2, Shuang Guo3
1Department of Otorhinolaryngology, The Third People's Hospital of Dalian, Dalian, China; Department of Otorhinolaryngology, The First Hospital of China Medical University, Shenyang, China.
乙基胺酸合成酶 (TYMS) 通过促进表皮-介质细胞转换 (EMT) 来驱动鼻癌 (NPC) 转移. 针对CAPRIN1/TYMS/MTHFD2轴为NPC治疗提供了一个有前途的治疗策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 癌症研究 癌症研究
背景情况:
- 鼻癌 (NPC) 是一种恶性瘤,通常导致由于转移而导致治疗失败,经常是由表皮-介质细胞转变 (EMT) 驱动的.
- 基酸合成酶 (TYMS) 在NPC的EMT过程中的确切作用和监管机制在很大程度上仍未确定.
- 了解TYMS的上游和下游相互作用对于开发有效的NPC疗法至关重要.
研究的目的:
- 阐明胺酸合成酶 (TYMS) 在鼻癌 (NPC) 的上皮-介质细胞过渡 (EMT) 中的作用.
- 研究TYMS在NPC转移中的上游和下游调控机制.
- 在NPC的TYMS监管网络中识别潜在的治疗点.
主要方法:
- 使用了NPC细胞系 (HK-1,C666-1) 与TYMS通过lentivirus进行了淘汰和过度表达.
- 通过伤口愈合和Transwell测试评估细胞迁移和入侵.
- 采用RNA免疫沉和RNA测序来探索蛋白质-mRNA相互作用和下游调节途径.
主要成果:
- 在NPC组织中,TYMS表达显著增加.
- TYMS调制直接影响了EMT过程,沉默抑制并促进了EMT的过度表达,E-cadherin,Slug,MMP2和MMP9的变化证明了这一点.
- 确定了CAPRIN1作为一种促进EMT的TYMSmRNA结合蛋白,以及MTHFD2作为由TYMS调节的下游效应因子,这两者都对NPC进展至关重要.
结论:
- CAPRIN1/TYMS/MTHFD2轴是NPC中EMT和转移的一个关键驱动因素.
- 这个轴代表了NPC治疗和辅助治疗的有前途的治疗标.
- 对这种途径的进一步研究可能会导致克服NPC治疗耐药性的新策略.
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