Cell type-aware analysis of RNA-seq data.
Cell type-aware analysis of RNA-seq data.
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DOI:
10.1038/s43588-021-00055-6
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发表时间:
2021-04
期刊:
影响因子:
--
通讯作者:
Sun W
中科院分区:
文献类型:
--
作者:
Jin C;Chen M;Lin D;Sun W
Most tissue samples are composed of different cell types. Differential expression analysis without accounting for cell type composition cannot separate the changes due to cell type composition or cell type-specific expression. We propose a computational framework to address these limitations: Cell Type Aware analysis of RNA-seq (CARseq). CARseq employs a negative binomial distribution that appropriately models the count data from RNA-seq experiments. Simulation studies show that CARseq has substantially higher power than a linear model-based approach and it also provides more accurate estimate of the rankings of differentially expressed genes. We have applied CARseq to compare gene expression of schizophrenia/autism subjects versus controls, and identified the cell types underlying the difference and similarities of these two neuron-developmental diseases. Our results are consistent with the results from differential expression analysis using single cell RNA-seq data.
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