Experiment	GSM2650814	Study	GSE99714 
Organism	Mus musculus (mm10)	Tissue	Lung mesenchyme
Protocol	10X	Sample#	1
Sample Run	SRR5647954
Reference	Zepp, J. A., et al. (2017). Distinct Mesenchymal Lineages and Niches Promote Epithelial Self-Renewal and Myofibrogenesis in the Lung. Cell 170(6): 1134-1148 e1110.

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Gene#	14319	Cell#	4678
PolyA site#	scAPAtrap 21726Sierra 14265	Gene with polyA site#	scAPAtrap 15543Sierra 9805
APA event#	scAPAtrap 10345Sierra 7508	Gene with APA event#	scAPAtrap 4162Sierra 3059
Cell types 7	Axin2+ cell: 2300Airway epithelial cells: 592Pdgfrapha+ cell: 443Myofibroblast: 280Axin2-Palpha+ cell: 598Matrix fibroblast: 362Wnt2+ cell: 103

APA index

PolyA Site Expression APA Usage Weighted 3' UTR Length

Tools

scAPAtrap Sierra

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Box plot showing in different cell types

UMAP showing 2D embeddings of cell types based on the gene expression profile

UMAP showing distribution in single cells

Scatter plot showing correlation between gene expression and