通过调节Foxo3,CircFoxo3 Knockdown可以抑制胃癌的进展
Huiling Yu1,2, Qijin He1, Ping Li1
1Department of Gastroenterology and Hepatology, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, China.
In vitro cellular & developmental biology. Animal
|December 26, 2025
概括
像circFoxo3这样的循环RNA (circRNAs) 在胃癌 (GC) 中被上调. 减少circFoxo3抑制GC细胞的生长和迁移,将其确定为胃癌的潜在治疗标.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 遗传学 是一个
背景情况:
- 胃癌 (GC) 的诊断和治疗在全球范围内仍然具有挑战性.
- 循环RNAs (circRNAs) 正在成为瘤发生的关键调节者.
- 目前尚不清楚circFoxo3在GC进展中的具体作用.
研究的目的:
- 为了研究circFoxo3在胃癌中的功能作用.
- 确定circFoxo3影响GC细胞行为的机制.
- 评估circFoxo3作为GC的潜在生物标志物或治疗标.
主要方法:
- 定量实时PCR用于评估GC组织和细胞系中的circFoxo3和FOXO3表达.
- 细胞增殖和迁移测定 (例如,EdU,Transwell) 在circFoxo3敲击或过度表达后.
- 西方涂抹以分析FOXO3.3的蛋白质水平.
- 公共数据库对GC中的FOXO3表达的生物信息分析.
- 在体内瘤异种移植模型评估circFoxo3对瘤生长的影响.
主要成果:
- 与正常对照组相比,CircFoxo3表达在GC组织和细胞系中显著上调.
- Knockdown 的 circFoxo3 抑制了 GC 细胞的增殖和迁移,而过度表达促进了这些过程.
- CircFoxo3的淘汰导致转录因子FOXO3.3的mRNA和蛋白质水平降低.
- 在GC瘤样本中观察到FOXO3的高表达,与组织和细胞系的发现一致.
- 在体内研究表明,减少circFoxo3表达减少了瘤体积和扩散.
结论:
- CircFoxo3作为一种致癌因素,促进胃癌的进展.
- CircFoxo3影响GC细胞的增殖和迁移,部分是通过调节FOXO3.
- CircFoxo3代表了胃癌的潜在诊断标记物和治疗标.
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