Mol Syst Biol. 2017 May 11;13(5):930. doi:10.15252/msb.20167374.

Karlsson K, Lönnerberg P, Linnarsson S.

Alternative TSSs are co-regulated in single cells in the mouse brain.

“out of the average of 26,500 detected molecules per cell, only 3,800 (14%), could be allocated to an annotated FANTOM TSS” “some genes showed extensive 3ʹ UTR expression”