Transcriptomics

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On the discovery of population-specific state transitions from single-cell RNA sequencing data


ABSTRACT: Single-cell RNA-sequencing (scRNA-seq) has quickly become an empowering technology to profile the transcriptomes of individual cells on a large scale. Many early analyses of differential expression have aimed at identifying differences between cell types (or clusters), and thus are focused on finding markers for cell populations either in a single sample or across multiple samples. More generally, such methods can compare expression levels in multiple sets of cells, thus leading to cross-condition analyses. However, given the emergence of replicated multi-condition scRNA-seq datasets, an area of increasing focus is making sample-level inferences, termed here as differential state analysis. For example, one could investigate the condition-specific responses of specific immune cell subsets across cells measured from patients within each condition, however, it is not clear which statistical framework best handles this situation. In this work, we surveyed the methods available to perform cross-condition differential state analyses, including cell-level mixed models and methods based on aggregated ``pseudobulk'' data. We developed a flexible simulation platform that mimics both single and multi-sample scRNA-seq data and provide robust tools for multi-condition analysis within the R package.

INSTRUMENT(S): Illumina HiSeq 4000

ORGANISM(S): Mus musculus  

SUBMITTER: Mark D Robinson  

PROVIDER: E-MTAB-8192 | ArrayExpress | 2019-08-11

SECONDARY ACCESSION(S): ERP116581

REPOSITORIES: ArrayExpress, ENA

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