由线粒体功能障碍驱动的AMPK-p53轴激活支了硫硫对抗肝细胞癌的影响
Xue Zheng1, Yuhua Luo1, Rui Huo1
1Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
一种新型化合物,PSCP,通过向硫代谢和激活AMPK-p53通路,显示出治疗肝细胞癌 (HCC) 的前景. 这种方法为肝癌治疗提供了一个新的策略.
科学领域:
- 在瘤学瘤学.
- 生物化学 生物化学
- 分子生物学分子生物学
背景情况:
- 肝细胞癌 (HCC) 是一种抗化疗的原发性肝癌.
- 之前的硫硫化合物在HCC治疗中表现出有限的疗效.
- 一种新的,稳定的硫硫捐赠剂PSCP已经开发出来.
研究的目的:
- 研究PSCP对HCC的治疗作用.
- 阐明PSCP作用的潜在分子机制.
- 探索PSCP对硫代谢,p53,AMPK和HCC中的线粒体功能的影响.
主要方法:
- 蛋白质组 (CPTAC) 和转录组 (TCGA) 数据的生物信息学分析.
- 在体外和体内研究评估PSCP对HCC的影响.
- 对p53和AMP激活蛋白激酶 (AMPK) 途径的分析.
- 使用Autodock.com调查线粒体功能和PSCP的分子标.
主要成果:
- 在HCC中重新编程的硫代谢与预后不佳相关.
- PSCP抑制了HCC瘤的生长,降低了细胞活力,并诱导了亡.
- PSCP增加了p53表达和AMPK酸化,AMPK抑制减少了p53上调.
- PSCP 损害了线粒体复合体 I 活性,可能向 Ndus3,ATP 补充对抗了细胞损伤.
结论:
- 硫代谢的重编程对于HCC的发展至关重要.
- 通过激活AMPK-p53信号轴,PSCP显示了治疗潜力.
- 在肝细胞癌治疗中,PSCP代表了一种有前途的新策略.
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