USP21/YBX1/HIF1-α促进前列腺癌的进展
Zhuoran Gu1,2, Libin Zou1,2, Cheng Jiang1,2
1Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China.
乌比基特异性酶21 (USP21) 通过稳定Y盒结合蛋白1 (YBX1) 来驱动前列腺癌 (PCa) 的进展,该蛋白1可上调HIF1-α. 用Bay-805抑制USP21显示了PCa的治疗潜力.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 前列腺癌 (PCa) 是男性普遍存在的恶性瘤.
- 脱化酶与癌症有关,但USP21在PCa中的作用尚不清楚.
- 这项研究全面分析了USP21作为PCa进展中的潜在瘤基因.
研究的目的:
- 研究USP21在前列腺癌 (PCa) 进展中的作用.
- 确定USP21在PCa中的分子标和机制.
- 评估USP21抑制在PCa中的治疗潜力.
主要方法:
- 在PCa队列 (TCGA,GEO) 中识别了USP21,并通过免疫组织化学,西部抹杀和RT-qPCR验证了表达.
- 使用患者衍生器官,体外/体内实验和RNA测序来评估USP21功能.
- 通过Co-IP/质谱测量识别了USP21基质YBX1;使用光酶试验和ChIP量化了YBX1活性;用Bay-805.5评估了USP21抑制.
主要成果:
- USP21在PCa上升调节,并与预后不佳有关.
- USP21 knockdown 抑制了PCa细胞的增殖,迁移和入侵,调节了HIF1信号通路.
- USP21二氧化化和稳定YBX1,增强HIF1A转录;Bay-805抑制了PCa的进展.
结论:
- USP21通过稳定YBX1促进PCa恶性瘤,从而导致HIF1-α表达的增加.
- 抑制USP21代表了前列腺癌的有前途的治疗策略.
- 湾-805显示出作为PCa.治疗剂的潜力.
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