Article ; Online: scSemiGCN: boosting cell-type annotation from noise-resistant graph neural networks with extremely limited supervision.
Bioinformatics (Oxford, England)
2024 Volume 40, Issue 2
Abstract: Motivation: Cell-type annotation is fundamental in revealing cell heterogeneity for single-cell data analysis. Although a host of works have been developed, the low signal-to-noise-ratio single-cell RNA-sequencing data that suffers from batch effects ... ...
Abstract | Motivation: Cell-type annotation is fundamental in revealing cell heterogeneity for single-cell data analysis. Although a host of works have been developed, the low signal-to-noise-ratio single-cell RNA-sequencing data that suffers from batch effects and dropout still poses obstacles in discovering grouped patterns for cell types by unsupervised learning and its alternative-semi-supervised learning that utilizes a few labeled cells as guidance for cell-type annotation. Results: We propose a robust cell-type annotation method scSemiGCN based on graph convolutional networks. Built upon a denoised network structure that characterizes reliable cell-to-cell connections, scSemiGCN generates pseudo labels for unannotated cells. Then supervised contrastive learning follows to refine the noisy single-cell data. Finally, message passing with the refined features over the denoised network structure is conducted for semi-supervised cell-type annotation. Comparison over several datasets with six methods under extremely limited supervision validates the effectiveness and efficiency of scSemiGCN for cell-type annotation. Availability and implementation: Implementation of scSemiGCN is available at https://github.com/Jane9898/scSemiGCN. |
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MeSH term(s) | Neural Networks, Computer ; Signal-To-Noise Ratio ; Single-Cell Analysis ; Supervised Machine Learning |
Language | English |
Publishing date | 2024-02-17 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1422668-6 |
ISSN | 1367-4811 ; 1367-4803 |
ISSN (online) | 1367-4811 |
ISSN | 1367-4803 |
DOI | 10.1093/bioinformatics/btae091 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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