对翻译后修饰的全癌分析揭示了蛋白调节的共享模式
Yifat Geffen1, Shankara Anand2, Yo Akiyama2
1Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA 02142, USA; Cancer Center and Department of Pathology, Massachusetts General Hospital, Boston, MA 02115, USA.
Cell
|August 15, 2023
概括
在细胞信号传递和癌症中,转化后修饰 (PTM) 是至关重要的. 这项研究分析了1110名患者的蛋白质基因组学数据,揭示了蛋白质乙化和化中的泛癌模式.
科学领域:
- 生物化学
- 分子生物学
- 癌症学
背景情况:
- 在正常和癌细胞中,转化后修饰 (PTM) 对于调节细胞信号和生理学至关重要.
- 质谱学的进步促进了高通量,敏感的PTM测量,帮助研究它们的作用和相互作用.
研究的目的:
- 分析迄今为止最大的蛋白质基因组数据集,包括11种癌症患者的1,110个PTM资料.
- 确定与标志性癌症过程相关的蛋白质乙化和化变化的泛癌症模式.
主要方法:
- 使用了国家癌症研究所临床蛋白质瘤分析联盟 (CPTAC) 的蛋白质基因组数据.
- 对11种不同的癌症类型进行了PTM (乙化和化) 分析.
- 与关键癌症特征和生物过程相关的PTM模式.
主要成果:
- 在多种癌症类型中发现了蛋白质乙化和酸化的广泛变化.
- 发现了特定的瘤子集与失调的DNA修复 (酸化),改变了代谢调节和免疫反应 (乙化).
- 证明了乙化和化之间的交叉声调影响酶特异性和组织蛋白调节.
结论:
- PTMs显著影响多种癌症生物学,包括DNA修复,新陈代谢,免疫反应和表观遗传调节.
- 这些发现突显了PTM在癌症发展和进展中的复杂相互作用.
- 这种全面的资源为癌症治疗提供了潜在的新疗法目标.
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