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• W4366498340 abstract "From a systematic perspective, it is crucial to infer and analyze gene regulatory network (GRN) from high-throughput single-cell RNA sequencing data. However, most existing GRN inference methods mainly focus on the network topology, only few of them consider how to explicitly describe the updated logic rules of regulation in GRNs to obtain their dynamics. Moreover, some inference methods also fail to deal with the over-fitting problem caused by the noise in time series data.In this article, we propose a novel embedded Boolean threshold network method called LogBTF, which effectively infers GRN by integrating regularized logistic regression and Boolean threshold function. First, the continuous gene expression values are converted into Boolean values and the elastic net regression model is adopted to fit the binarized time series data. Then, the estimated regression coefficients are applied to represent the unknown Boolean threshold function of the candidate Boolean threshold network as the dynamical equations. To overcome the multi-collinearity and over-fitting problems, a new and effective approach is designed to optimize the network topology by adding a perturbation design matrix to the input data and thereafter setting sufficiently small elements of the output coefficient vector to zeros. In addition, the cross-validation procedure is implemented into the Boolean threshold network model framework to strengthen the inference capability. Finally, extensive experiments on one simulated Boolean value dataset, dozens of simulation datasets, and three real single-cell RNA sequencing datasets demonstrate that the LogBTF method can infer GRNs from time series data more accurately than some other alternative methods for GRN inference.The source data and code are available at https://github.com/zpliulab/LogBTF." @default.
• W4366498340 created "2023-04-22" @default.
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• W4366498340 date "2023-04-20" @default.
• W4366498340 modified "2023-09-30" @default.
• W4366498340 title "LogBTF: gene regulatory network inference using Boolean threshold network model from single-cell gene expression data" @default.
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• W4366498340 doi "https://doi.org/10.1093/bioinformatics/btad256" @default.
• W4366498340 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37079737" @default.
• W4366498340 hasPublicationYear "2023" @default.
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