校准基因调节的参数化随机布尔网络模型,使用单个稳定状态基因表达特征
Mohammad Taheri-Ledari1, Sayed-Amir Marashi2, Mohammad Hossein Ghahremani3
1Laboratory of Complex Biological Systems and Bioinformatics (CBB), Department of Bioinformatics, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, 1417614411, Iran.
本研究介绍了一种基于模拟的方法,使用单基因表达数据来估计随机布尔网络 (BNs) 的参数. 这种方法有助于理解基因调节网络 (GRNs) 和开发个性化医学策略.
科学领域:
- 计算生物学 计算生物学
- 系统生物学 系统生物学
- 基因组学就是基因组学.
背景情况:
- 布尔网络 (BNs) 模型复杂的生物动态.
- 基因调节网络 (GRN) 模型模拟扰动效应.
- 量身定制的GRNs对于药物发现和个性化医学至关重要.
研究的目的:
- 开发一种新的方法来估计参数化随机BN模型的参数.
- 为了利用单个稳定状态基因表达测量用于GRN参数化.
- 为解决GRN分析中的计算挑战.
主要方法:
- 基于模拟的方法被用于参数估计.
- 简化假设将问题重新构成线性方程.
- 确保了ergodicity和唯一解决方案的存在.
主要成果:
- 该研究提出了一种基于模拟的有效方法,用于参数估计.
- 该方法在随机的BN和非小细胞肺癌 (NSCLC) 细胞系上得到验证.
- 为NSCLC成功建立了个性化的BN.
结论:
- 开发的方法提供了一个实用的解决方案,用于参数化随机BN.
- 这种方法对药物向发现和个性化治疗有重大影响.
- 该方法增强了GRN模型在精准医学中的实用性.
更多相关视频
10:50Single-cell Gene Expression Profiling Using FACS and qPCR with Internal Standards
Published on: February 25, 2017
10:44Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline
Published on: December 7, 2021
相关概念视频
Regulation of Expression at Multiple Steps
Constitutive and Regulated Gene Expression
Structure of a Gene
However, only 1% of the DNA is composed of genes that encode proteins; the rest, 99% is non-coding DNA. This non-coding DNA performs...
Combinatorial Gene Control
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
Regulation of Expression Occurs at Multiple Steps
Regulation of Expression Occurs at Multiple Steps
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
