Table 1. Prevalence of CIRTs in dendritic and soma mRNAs from rat and mouse hippocampus.

neurons.

Sample	Total Genes	Genes with exonic reads	Genes with exonic and intronic reads	Genes with only intronic reads	Total Genes with intronic reads	Genes with a given intron retained in all samples
Mouse/Dendrite	14,478	12,344	6,473 (52.4%)	2,134 (14.7%)	8,607 (59.4%)	648 (7.5%)
Rat/Dendrite	10,104	9,308	3,689	796	4,485	687
			(39.6%)	(7.8%)	(44.4%)	(15.3%)
Rat/Soma	8,750	8,308	2,079	442	2,521	110
			(25%)	(5.1%)	(28.8%)	(4.4%)
Mouse/Soma	12,200	11,255	3,990	945	4,935	115
			(35.4%)	(7.7%)	(40.4%)	(2.3%)