Experiment	GSM3308550	Study	GSE117770 
Organism	Mus musculus (mm10)	Tissue	Pancreatic islets
Protocol	10X	Sample#	1
Sample Run	SRR7610300
Reference	Thompson, P. J., et al. (2019). Targeted Elimination of Senescent Beta Cells Prevents Type 1 Diabetes. Cell Metabolism 29(5): 1045-1060.e1010.

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Gene#	17505	Cell#	3301
PolyA site#	scAPAtrap 22805Sierra 15217	Gene with polyA site#	scAPAtrap 16546Sierra 11315
APA event#	scAPAtrap 10494Sierra 6639	Gene with APA event#	scAPAtrap 4235Sierra 2741
Cell types 1	Beta cell: 3301

APA index

PolyA Site Expression APA Usage Weighted 3' UTR Length

PolyA Site Expression

APA Usage

Weighted 3' UTR Length

Tools

scAPAtrap Sierra

scAPAtrap

Sierra

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Box plot showing poly(A) site expression in different cell types

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

UMAP showing distribution poly(A) site expression in single cells

Scatter plot showing correlation between gene expression and poly(A) site expression