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    • 3. 发明授权
    • Biological discovery using gene regulatory networks generated from multiple-disruption expression libraries
    • 使用由多重中断表达文库生成的基因调控网络的生物学发现
    • US07430475B2
    • 2008-09-30
    • US10259723
    • 2002-09-26
    • Seiyo ImotoTakao GotoSatoru MiyanoKosuke TashiroMichiel de HoonChristopher J. SavoieSaturo Kuhara
    • Seiyo ImotoTakao GotoSatoru MiyanoKosuke TashiroMichiel de HoonChristopher J. SavoieSaturo Kuhara
    • G06F19/00C12Q1/68
    • G06F19/12G06F19/20G06F19/24
    • Embodiments of this invention include application of new inferential methods to analysis of complex biological information, including gene networks. In some embodiments, disruptant data and/or drug induction/inhibition data are obtained simultaneously for a number of genes in an organism. New methods include modifications of Boolean inferential methods and application of those methods to determining relationships between expressed genes in organisms. Additional new methods include modifications of Bayesian inferential methods and application of those methods to determining cause and effect relationships between expressed genes, and in some embodiments, for determining upstream effectors of regulated genes. Additional modifications of Bayesian methods include use of heterogeneous variance and different curve fitting methods, including spline functions, to improve estimation of graphs of networks of expressed genes. Other embodiments include the use of bootstrapping methods and determination of edge effects to more accurately provide network information between expressed genes. Methods of this invention were validated using information obtained from prior studies, as well as from newly carried out studies of gene expression.
    • 本发明的实施例包括应用新的推理方法来分析复杂的生物信息,包括基因网络。 在一些实施方案中,针对生物体中的许多基因同时获得破坏性数据和/或药物诱导/抑制数据。 新方法包括布尔推理方法的修改和这些方法的应用以确定生物体中表达的基因之间的关系。 其他新方法包括贝叶斯推理方法的修改和这些方法的应用以确定表达基因之间的因果关系,并且在一些实施方案中用于确定受调节基因的上游受体。 贝叶斯方法的另外的修改包括使用异质方差和不同的曲线拟合方法,包括样条函数,以改进表达基因网络图的估计。 其他实施例包括使用自举方法和确定边缘效应以更准确地提供表达基因之间的网络信息。 使用从先前研究获得的信息以及从新开展的基因表达研究来验证本发明的方法。