在一个具有两个输出分子的分子信号系统中对单细胞测量和决策错误的建模和计算
Ali Emadi1, Tomasz Lipniacki2, Andre Levchenko3,4
1Center for Wireless Information Processing, Department of Electrical and Computer Engineering, New Jersey Institute of Technology, 323 King Blvd, Newark, NJ 07102, USA.
Biology
|December 22, 2023
概括
细胞根据信号做出决定,但噪音可能会导致错误. 这项研究使用两个关键蛋白输出NFκB和ATF-2来模拟细胞决策,以了解和量化生物系统中的这些错误.
科学领域:
- 细胞生物学 细胞生物学
- 系统生物学 系统生物学
- 信号传导是指信号的传导方式.
背景情况:
- 细胞对外部信号做出反应,决定它们的命运.
- 信号传导噪声可能导致错误的蜂决策,如错误的警报或错过的信号.
- 瘤亡因子 (TNF) 途径涉及关键的转录因子,如NFκB和ATF-2.
研究的目的:
- 基于两个信号系统输出,开发用于建模和计算细胞决策参数的方法.
- 在细胞反应中量化决策值和错误概率 (错误报警和错误).
- 研究关节信号输出在复杂的细胞决策和病理状况中的作用.
主要方法:
- 建模一个由TNF调节的双输出信号系统.
- 开发计算方法来分析NFκB和ATF-2的单细胞度水平.
- 根据联合输出分析定义和计算决策错误概率.
主要成果:
- 基于NFκB和ATF-2水平的细胞反应的计算决策值.
- 对信号系统的量化错误报警和错误概率.
- 证明了考虑联合输出响应的实用性,以了解细胞决策.
结论:
- 分析NFκB和ATF-2的综合反应,可以了解细胞决策过程.
- 量化决策错误对于理解细胞行为和疾病发展至关重要.
- 开发的方法可以应用于研究涉及信号传导噪声的各种生理和病理条件.
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