Experiment	GSM3687213	Study	GSE128854 
Organism	Mus musculus (mm10)	Tissue	Dura mater
Protocol	10X	Sample#	8
Sample Run	SRR8795613 SRR8795614 SRR8795615 SRR8795616 SRR8795617 SRR8795618 SRR8795619 SRR8795620
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#	17248	Cell#	9202
PolyA site#	scAPAtrap 16378Sierra 14597	Gene with polyA site#	scAPAtrap 12762Sierra 10903
APA event#	scAPAtrap 6324Sierra 6379	Gene with APA event#	scAPAtrap 2708Sierra 2695
Cell types 3	Transit amplifying (TA) cell: 4156Hematopoetic cell: 4750CXCR6+ T cell: 296

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