YY1由ALKBH5介导的m6A修饰调节,并通过向ATG4B促进自和癌症进展
Shijiang Wang1,2,3, Jiangbo Nie1,2,3, Kaiying Xu2,4
1Department of Orthopedic Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, People’s Republic of China.
转录因子YY1通过激活自促使胃癌的进展. ALKBH5和YTHDF1通过m6A修饰调节YY1的稳定性,为胃癌提供潜在的治疗点.
科学领域:
- 分子生物学分子生物学
- 癌症研究 癌症研究
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- 转录因子YY1在胃癌 (GC) 瘤发生和转移中的作用是多方面的,但尚未完全阐明,特别是关于其对自的调节.
- 了解GC中自调节的机制对于确定新的治疗策略至关重要.
研究的目的:
- 调查YY1作为关键转录因子在胃癌进展期间的自调节中的作用.
- 阐明涉及ALKBH5,YY1和ATG4B在GC细胞增殖和入侵中的调节途径.
主要方法:
- 西部斑点,RFP-GFP-LC3双光和传输电子显微镜 (TEM) 被用于评估自活动.
- 甲基化RNA免疫沉 (MeRIP) 用于评估由ALKBH5.5.调节的YY1的m6A修饰水平.
- 为了研究ALKBH5/YY1/ATG4B轴的生物效应,进行了功能增益和丧失测定.
主要成果:
- YY1 作为与自相关的基因的转录激活剂,通过ATG4B介导的自促进GC细胞的增殖和攻击性.
- 通过m6A修饰,ALKBH5的宫外表达抑制了YY1诱导的影响.
- 通过识别m6A修饰,YTHDF1增强了YY1mRNA的稳定性.
结论:
- YY1由ALKBH5和YTHDF1介导的m6A修饰调节,作为胃癌进展中的自依赖驱动器起作用.
- ALKBH5/YY1/ATG4B轴代表了胃癌治疗的潜在治疗目标.
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