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10.1038/s42256-020-00285-9

http://scihub22266oqcxt.onion/10.1038/s42256-020-00285-9
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suck abstract from ncbi


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pmid33796820      Nat+Mach+Intell 2021 ; 3 (3): 247-257
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  • A deep learning framework for high-throughput mechanism-driven phenotype compound screening and its application to COVID-19 drug repurposing #MMPMID33796820
  • Pham TH; Qiu Y; Zeng J; Xie L; Zhang P
  • Nat Mach Intell 2021[Mar]; 3 (3): 247-257 PMID33796820show ga
  • Phenotype-based compound screening has advantages over target-based drug discovery, but is unscalable and lacks understanding of mechanism. Chemical-induced gene expression profile provides a mechanistic signature of phenotypic response. However, the use of such data is limited by their sparseness, unreliability, and relatively low throughput. Few methods can perform phenotype-based de novo chemical compound screening. Here, we propose a mechanism-driven neural network-based method DeepCE, which utilizes graph neural network and multi-head attention mechanism to model chemical substructure-gene and gene-gene associations, for predicting the differential gene expression profile perturbed by de novo chemicals. Moreover, we propose a novel data augmentation method which extracts useful information from unreliable experiments in L1000 dataset. The experimental results show that DeepCE achieves superior performances to state-of-the-art methods. The effectiveness of gene expression profiles generated from DeepCE is further supported by comparing them with observed data for downstream classification tasks. To demonstrate the value of DeepCE, we apply it to drug repurposing of COVID-19, and generate novel lead compounds consistent with clinical evidence. Thus, DeepCE provides a potentially powerful framework for robust predictive modeling by utilizing noisy omics data and screening novel chemicals for the modulation of a systemic response to disease.
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