Experiment	GSM3687220	Study	GSE128854 
Organism	Mus musculus (mm10)	Tissue	Dura mater
Protocol	10X	Sample#	3
Sample Run	SRR8795653 SRR8795654 SRR8795655
Reference	Van Hove, H., et al. (2019). A single-cell atlas of mouse brain macrophages reveals unique transcriptional identities shaped by ontogeny and tissue environment. Nature Neuroscience 22(6): 1021-1035.

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Gene#	15697	Cell#	5011
PolyA site#	scAPAtrap 14408Sierra 10792	Gene with polyA site#	scAPAtrap 11745Sierra 8860
APA event#	scAPAtrap 4808Sierra 3467	Gene with APA event#	scAPAtrap 2145Sierra 1542
Cell types 3	Transit amplifying (TA) cell: 2598Hematopoetic cell: 2374Erythroid cell: 39

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