在肺腺癌细胞中,BIRC5抑制与通过Caspase3-GSDME途径引起的 Pyroptotic细胞死亡有关
Qingwei Zhang1,2, Ximing Chen1, Yingying Hu1
1Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Medicine Research, Ministry of Education) at College of Pharmacy, Harbin Medical University, Harbin 150081, China.
International journal of molecular sciences
|October 14, 2023
概括
这项研究确定BIRC5是肺腺癌 (LUAD) 的关键基因,显示其高水平与预后不佳相关. 抑制BIRC5会触发细胞死亡,这表明它是LUAD的潜在治疗点.
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:
- 肺腺癌 (LUAD) 由于其高死亡率和鲜为人知的发病因子,对健康构成重大挑战.
- DNA甲基化与瘤发育有关,影响染色体结构和基因表达.
- 已知含有5 (BIRC5) 基因的百科病毒IAP重复,编码Survivin,参与瘤细胞的增殖和入侵,但其在LUAD中的特定作用需要阐明.
研究的目的:
- 确定新型甲基化调节差异表达基因 (MeDEGs) 作为肺腺癌 (LUAD) 的潜在生物标志物.
- 研究已识别的关键基因,特别是BIRC5在LUAD进展和细胞死亡中的功能作用和分子机制.
主要方法:
- 对LUAD甲基化调节差异表达基因 (MeDEGs) 的生物信息分析.
- 基因本体学 (GO) 和基因和基因组的京都百科全书 (KEGG) 途径分析.
- 蛋白与蛋白相互作用 (PPI) 网络构建以识别枢纽基因.
- 实验验证包括流细胞计,LDH测定,微PET成像和A549细胞和异种移植模型中的基因敲除.
主要成果:
- 确定了8个枢纽基因,在LUAD中对DNA甲基化和表达有显著的改变.
- 发现BIRC5在LUAD组织中显著上调,并与较高的患者死亡率有关.
- 在A549细胞中,通过caspase3/GSDME信号通路抑制了BIRC5的增殖并诱导了烧灭.
结论:
- BIRC5是一种有前途的新生物标志物和肺腺癌 (LUAD) 的治疗标.
- 抑制BIRC5通过caspase3-GSDME途径诱导LUAD细胞中的热,揭示了一种新的治疗策略.
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