挖掘癌症基因组以改变代谢功能的突变
Kevin J Tu1,2,3, Bill H Diplas4, Joshua A Regal1
1Department of Radiation Oncology, Duke University, Durham, NC, 27710, USA.
Communications biology
|November 10, 2023
概括
研究人员开发了METIS (瘤中的突变酶在片屏幕上),以发现来自癌症突变的新型酶. 这种工具有助于发现绿色化学的新酶和潜在的治疗应用.
科学领域:
- 生物化学 生物化学
- 计算生物学 计算生物学
- 药用化学 医学化学
背景情况:
- 新型酶对于推进有机合成技术至关重要.
- 癌症突变可以改变蛋白质功能和细胞代谢,提供新的酶能力的来源.
- 目前生产价值化学物质的方法,如桑托,往往是不可持续的.
研究的目的:
- 开发一种计算工具,METIS (瘤中的突变酶在片屏幕上),用于识别改变代谢的癌症突变.
- 发现新的酶,在绿色化学和治疗中具有潜在的应用.
- 为更广泛的科学用途对潜在有用的癌症突变进行分类.
主要方法:
- 开发了METIS,一种利用突变复发率和蛋白质结构来识别功能变化的计算屏幕.
- 选了298,517种癌症突变,以确定48种候选突变.
- 对表达候选突变细胞 (OGDHLp.A400T) 的细胞进行了无偏见的代谢分析.
- 扩展了METIS屏幕到4900万个癌症突变,以获得精细的候选清单.
主要成果:
- 确定了48种候选癌症突变,有可能改变酶功能.
- 证明了OGDHLp.A400T突变增强了Xanthosine的体外生产.
- 验证了METIS从大型癌症基因组数据集中识别功能性显著突变的能力.
结论:
- 梅蒂斯是从癌症突变中发现新型酶的有效工具.
- 鉴定的突变可以用于可持续的化学生产 (绿色化学) 和治疗开发.
- 梅蒂斯方法为生物技术创新和癌症研究提供了宝贵的资源.
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