阻止YAP1-Liprin-β2相互作用阻碍转移,并促进头部和部状癌瘤的瘤抑制
Seon Rang Woo1, Joo Kyung Noh2, Min Kyeong Lee2
1Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, College of Medicine Kyung Hee University, #1 Hoegi-dong, Dongdaemun-gu, Seoul, 02447, Republic of Korea.
YAP1-PPFIBP2轴通过促进上皮细胞-介质细胞过渡 (EMT),入侵和迁移来驱动头支状细胞癌 (HNSCC) 的瘤攻击性. 针对这一轴为HNSCC提供了一个潜在的治疗策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 细胞生物学 细胞生物学
背景情况:
- 头部和部状细胞癌 (HNSCC) 的特点是瘤的攻击性行为,包括入侵和转移.
- 表皮-介质细胞过渡 (EMT) 是推动癌细胞运动和侵入性的关键过程.
- 了解HNSCC中EMT的分子调节剂对于开发有效治疗非常重要.
研究的目的:
- 研究YAP1-PPFIBP2轴在HNSCC中调节EMT,入侵和迁移中的作用.
- 为了确定是否针对这个轴可以抑制HNSCC的进展.
- 探索HNSCC中YAP1-PPFIBP2通路的预后意义.
主要方法:
- 在HNSCC细胞系 (SNU1041,SCC9,SCC25) 中进行了体外细胞培养试验 (siRNA淘汰,过度表达).
- 基因组分析以评估YAP1和PPFIBP2的表达.
- 使用CA3.3进行YAP1的药理抑制.
- 对EMT标记,入侵和迁移的评估.
主要成果:
- 通过抑制PPFIBP2/liprin-β2表达,证实了EMT的YAP1上调.
- YAP1的淘汰减少了HNSCC细胞的入侵和迁移,siPPFIBP2.2反转了这些影响.
- YAP1过度表达增强了EMT标记物和侵入性行为.
- 对YAP1的药理抑制降低了EMT标志物,入侵和迁移.
- YAP1-PPFIBP2轴的活动与HNSCC的预后结果较差相关.
结论:
- YAP1-PPFIBP2轴是HNSCC中瘤侵略性和转移潜力的关键调解器.
- 准YAP1-PPFIBP2通路是HNSCC治疗的一个有前途的治疗策略.
- 这项研究提供了对HNSCC进展背后的分子机制的新见解.
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