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Single-cell differential expression analysis between conditions within nested settings

delete2025-07-01
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Leon Hafner
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Gregor Sturm
S
Sarah Lumpp
M
Mathias Drton
M
Markus List *
DOI:10.1093/bib/bbaf397delete
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摘要

摘要

En 中文
差异表达分析为理解基础生物学过程提供了见解,随着单细胞转录组学的兴起,基因表达现在可以在单个细胞水平上进行研究。许多分析将细胞视为样本并假设统计独立性。由于细胞是拟重复样本,这一假设不成立,导致稳健性和可重复性降低,以及I类错误率膨胀。本研究探讨了单细胞数据差异表达分析的各种方法,进行了广泛的基准测试,并给出了方法选择建议。测试的方法包括DESeq2、MAST、DREAM、scVI、置换检验、distinct和t检验。此外,我们还将分层自助法(hierarchical bootstrapping)应用于单细胞数据的差异表达分析,并将其纳入我们的基准测试。我们发现,专门为单细胞数据设计的差异表达分析方法在应用于单个数据集时,并不比传统的拟批量方法(如DESeq2)具有性能优势。此外,它们大多需要显著更长的运行时间。对于图谱级别的分析,基于置换的方法在性能上表现优异,但运行时间较差,建议将DREAM作为质量和运行时间之间的折中方案。总体而言,本研究为社区提供了不同场景下方法的多维度基准测试,并给出了方法选择的指导原则。
Keyword:
differential expression analysis
single-cell atlas
benchmark
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Briefings in Bioinformatics 封面图
Briefings in Bioinformatics
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technical university of munich
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University of Munich
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Medical University of Innsbruck
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