Journal
GENOME BIOLOGY
Volume 22, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13059-021-02461-5
Keywords
Single-cell RNA-seq; Differential alternative splicing; Differential momentum genes; Variational Bayes
Funding
- University of Hong Kong
- Li Ka Shing Faculty of Medicine
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RNA splicing plays a crucial role in driving heterogeneity in single cells through alternative transcript expression and transcriptional kinetics. BRIE2, a scalable computational method, effectively identifies differential disease-associated alternative splicing events and improves RNA velocity analysis, enabling exploration of the association between splicing phenotypes and biological changes.
RNA splicing is an important driver of heterogeneity in single cells through the expression of alternative transcripts and as a determinant of transcriptional kinetics. However, the intrinsic coverage limitations of scRNA-seq technologies make it challenging to associate specific splicing events to cell-level phenotypes. BRIE2 is a scalable computational method that resolves these issues by regressing single-cell transcriptomic data against cell-level features. We show that BRIE2 effectively identifies differential disease-associated alternative splicing events and allows a principled selection of genes that capture heterogeneity in transcriptional kinetics and improve RNA velocity analyses, enabling the identification of splicing phenotypes associated with biological changes.
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