Table 1.

Mapping of reads to genome and miRBase v18 after rRNA, tRNA, repeated DNA and adaptor sequences filtering

	SCC25 (million)	%	Kerat (million)	%
Total of reads	3.4	100	4.4	100
Reads matching miRBase V18	0.09	2.64	0.14	3.1
Reads matching mature miRNAs	0.07	2.00	0.9	1.94
Reads mapped to genome and not matching v18	0.13	3.97	0.07	4.53