基素乙化:在癌症中获得的西斯普拉丁耐药性的关键决定因素
Abhiram Natu1,2, Tripti Verma1,2, Bharat Khade1
1Epigenetics and Chromatin Biology Group, Gupta Lab, Cancer Research Institute, Advanced Centre for Treatment, Research and Education in Cancer, Tata Memorial Centre, Kharghar, Navi Mumbai, MH, 410210, India.
Clinical epigenetics
|January 4, 2024
概括
癌细胞中西斯普拉丁耐药性涉及改变PI3K-AKT信号传递和代谢. 表观遗传变化,特别是基因组乙化,调节这些通路,为克服化学抵抗提供了新的治疗点.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 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:
- 西斯是一种关键的化疗药物,但其疗效受到获得的耐药性限制,导致瘤复发.
- 了解青抗性的分子机制对于开发有效的组合疗法至关重要.
研究的目的:
- 为了研究癌细胞中基底的西斯普拉丁耐药性的分子机制.
- 探索表观遗传修饰的作用,特别是基因组乙化,在化学抵抗.
主要方法:
- 在实验室中开发抗西斯丁的癌症细胞系模型.
- 基因表达分析 (基因本体学,GSEA) 用于识别差异表达的基因.
- 对代谢途径,基因素修饰酶和基因素乙化水平的分析.
主要成果:
- 抗西斯的细胞表现出改变的PI3K-AKT信号传导,中心碳代谢和表观遗传现象.
- 增加的葡萄糖运输,改变的基因组修饰酶活性和升高的乙-CoA水平与增加的全球基因组乙化相关.
- 基因组乙化富含PI3K-AKT和糖解路径的关键分子,表明表观遗传调节.
- 准PI3K-AKT信号传递和糖解重新敏感化了耐药细胞,并改变了基因素乙化水平.
结论:
- 基斯乙化在调节对抗西斯抗性细胞存活必不可少的途径方面发挥着关键作用.
- 表观遗传修饰,特别是基因组乙化,是化学抵抗的关键驱动因素.
- 准代谢和表观遗传途径是克服西斯抗药性和开发个性化癌症疗法的有希望的策略.
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