Table 2. Primer sequences for RT-qPCR.

Gene	Primer sequence (5'-3')
Ctss	F: GCCTGATTCTGTGGACTGG
	R: GATGTACTGGAAAGCCGTTGT
miR-203-3p	F: ACACTCCAGCTGGGGTGAAATGTTTAGGACCA
	R: CTCAACTGGTGTCGTGGA
GAPDH	F: GCAAATTCCATGGCACCGT
	R: TCGCCCCACTTGATTTTGG
U6	F: CTCGCTTCGGCAGCACAT
	R: AACGCTTCACGAATTTGCGT
ß-Actin	F: CGTTGACATCCGTAAAGACC
	R: AACAGTCCGCCTAGAAGCAC

Note: RT-qPCR, reverse transcription quantitative polymerase chain reaction; Ctss, cathepsin S; miR-203-3p, microRNA-203-3p; GAPDH, glyceraldehyde-3-phosphate dehydrogenase.