GRACE: Graph autoencoder based single-cell clustering through ensemble similarity learning

Jun Seo Ha and Hyundoo Jeong

PLOS ONE, 2023, vol. 18, issue 4, 1-22

Abstract: Recent advances in single-cell sequencing techniques have enabled gene expression profiling of individual cells in tissue samples so that it can accelerate biomedical research to develop novel therapeutic methods and effective drugs for complex disease. The typical first step in the downstream analysis pipeline is classifying cell types through accurate single-cell clustering algorithms. Here, we describe a novel single-cell clustering algorithm, called GRACE (GRaph Autoencoder based single-cell Clustering through Ensemble similarity larning), that can yield highly consistent groups of cells. We construct the cell-to-cell similarity network through the ensemble similarity learning framework, and employ a low-dimensional vector representation for each cell through a graph autoencoder. Through performance assessments using real-world single-cell sequencing datasets, we show that the proposed method can yield accurate single-cell clustering results by achieving higher assessment metric scores.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0284527

DOI: 10.1371/journal.pone.0284527

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