Cited by 99Single-cell and spatial transcriptomicsGene expression and cancer classificationGene Regulatory Network Analysis

Benchmarking and integration of methods for deconvoluting spatial transcriptomic data

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Yan, Lulu, Sun, Xiaoqiang·2023·Bioinformatics

Abstract

Motivation: The rapid development of spatial transcriptomics (ST) approaches has provided new insights into understanding tissue architecture and function. However, the gene expressions measured at a spot may contain contributions from multiple cells due to the low-resolution of current ST technologies. Although many computational methods have been developed to disentangle discrete cell types from spatial mixtures, the community lacks a thorough evaluation of the performance of those deconvolution methods. Results: Here, we present a comprehensive benchmarking of 14 deconvolution methods on four datasets. Furthermore, we investigate the robustness of different methods to sequencing depth, spot size and the choice of normalization. Moreover, we propose a new ensemble learning-based deconvolution method (EnDecon) by integrating multiple individual methods for more accurate deconvolution. The major new findings include: (i) cell2loction, RCTD and spatialDWLS are more accurate than other ST deconvolution methods, based on the evaluation of three metrics: RMSE, PCC and JSD; (ii) cell2location and spatialDWLS are more robust to the variation of sequencing depth than RCTD; (iii) the accuracy of the existing methods tends to decrease as the spot size becomes smaller; (iv) most deconvolution methods perform best when they normalize ST data using the method described in their original papers; and (v) the integrative method, EnDecon, could achieve more accurate ST deconvolution. Our study provides valuable information and guideline for practically applying ST deconvolution tools and developing new and more effective methods. Availability and implementation: The benchmarking pipeline is available at https://github.com/SunXQlab/ST-deconvoulution. An R package for EnDecon is available at https://github.com/SunXQlab/EnDecon. Supplementary information: Supplementary data are available at Bioinformatics online.

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  • On real data sets, SpatialDWLS and RCTD performed best in overall accuracy among cell-type deconvolution methods.

    “For simulated data sets, cell2location outperformed other approaches for cell-type deconvolution, but requires more computational resources, whereas for real data sets, SpatialDWLS and RCTD performed best in terms of the overall accuracy score based on four different accuracy metrics215,216.”

    From Best practices for single-cell analysis across modalities (2023) · cites this paper as [216]

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Authors
Yan, L., & Sun, X.
Affiliations
Sun Yat-sen University (CN)
Corresponding author
Sun, Xiaoqiang
Venue
Bioinformatics
Published
2022-12-14
Volume
39
Issue
1
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W4311404503
Cited by
92
References
30
Citations by year
2026: 25 · 2025: 17 · 2024: 38 · 2023: 11 · 2022: 1
FWCI
6.04
Type
journal article
Language
en
Open access
Locations
  • Bioinformatics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (62273364, 11931019, 11871070)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
spatial transcriptomics, cell of origin deconvolution, benchmarking, ensemble learning, spot size, normalization methods, method comparison
MeSH terms
Gene Expression Profiling, Transcriptome

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