USP5通过稳定膀癌中的SLUG来促进瘤的进展
Qiang-Kun Wan1, Ting-Ting Li1, Bei-Bei Liu2
1Department of Radiotherapy, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui 233004, P.R. China.
Oncology letters
|October 14, 2024
概括
乌比基特异蛋白酶5 (USP5) 通过稳定SLUG,一个关键蛋白质,促进膀癌的进展. 抑制USP5显示出治疗膀癌转移的潜力.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
背景情况:
- 膀癌是一种常见的恶性瘤,具有侵入性转移,对死亡率有显著的贡献.
- 越来越多地认识到duebiquitinases,如USP5,在癌症进展中的作用.
- USP5已与其他癌症的恶性进展有关,包括肝癌,结肠直肠癌和肺癌.
研究的目的:
- 调查在膀癌恶性进展中泛素特异蛋白酶5 (USP5) 的作用和机制.
- 分析USP5表达与膀癌预后和阶段之间的关联.
- 探索USP5作为膀癌治疗点的潜力.
主要方法:
- 在癌症基因组图谱数据库中对USP5表达的分析,以与膀癌的预后和阶段相关联.
- 建立USP5过度表达和淘汰T24膀癌细胞系.
- 使用CCK-8,Transwell和scratch测试评估细胞活力,增殖和入侵.
- 评估SLUG的稳定性,USP5-SLUG通过免疫沉和同局部化的相互作用,以及通过RT-qPCR和西式涂抹的mRNA/蛋白质水平.
- 用USP5抑制剂,Degrasyn治疗膀癌细胞.
主要成果:
- 膀癌患者的高USP5表达与较短的生存期和晚期临床病理阶段相关.
- 在T24细胞中USP5的过度表达增加了扩散,入侵和上皮-介质细胞过渡 (EMT) 标志物.
- 在T24细胞中,USP5 Knockdown减少了扩散,入侵和EMT标记物.
- USP5 直接与 SLUG 结合,并通过抑制无处化来提高其蛋白质水平.
- 德格拉辛治疗显著抑制了T24细胞的增殖和侵入.
结论:
- 通过稳定SLUG,USP5促进了膀癌恶性进展.
- USP5是抑制膀癌进展和转移的潜在治疗标.
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