通过通过DDX2323调节PEDS1表达,LncPEDS1-AS促进了UTUC对脂质过氧化的抵抗
Guanru Li1,2, Erwei Zhang1, Zhiyu Wang1,2
1Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Cell death & disease
|December 8, 2025
概括
一种新型的超长非编码RNA,LncPEDS1-AS,在上道泌尿瘤 (UTUC) 中驱动对氧化应激的抵抗. 用反感性寡核酸治疗准这种RNA显示出通过增加癌细胞对活性氧物种的敏感性来治疗UTUC的前景.
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:
- 上道泌尿道癌 (UTUC) 的预后比膀癌更糟糕.
- UTUC对反应性氧物种 (ROS) 诱导的脂质过氧化具有独特的耐药性,与不良结果有关.
- 对于UTUC的ROS耐药性的分子基础尚不清楚.
研究的目的:
- 确定在UTUC中赋予ROS耐药性的分子机制.
- 研究超长反意义长非编码RNAs (lncRNAs) 在UTUC病变发生中的作用.
- 探索针对已识别的机制的潜在治疗策略.
主要方法:
- 鉴定和表征LncPEDS1-AS,一个超长的反感 lncRNA.
- 研究LncPEDS1-AS与拼接因子DDX23.23的相互作用.
- 评估PEDS1前mRNA拼接和等离子体乙醇胺脱酶 (PEDS1) 功能的评估.
- 针对LncPEDS1-AS.AS的反感性寡核酸 (ASO) 治疗的开发和体外/体内测试.
主要成果:
- 在UTUC,LncPEDS1-AS被确定为ROS抗性的关键调节者.
- LncPEDS1-AS与DDX23形成一个复合体,以促进PEDS1前mRNA拼接和PEDS1表达.
- PEDS1编码了等离子体乙醇胺脱酶,它可以防止脂质过氧化.
- 针对LncPEDS1-AS的ASO疗法抑制了瘤生长,并在UTUC细胞中增加了ROS敏感性.
结论:
- LncPEDS1-AS-DDX23-PEDS1轴对于UTUC对脂质过氧化的抵抗和影响预后至关重要.
- 超长的反意义 lncRNAs 在癌症生物学中具有独特的调节功能.
- 通过ASO治疗准LncPEDS1-AS代表了UTUC的潜在治疗方法.
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