Table 1. Primers of target genes.

Gene	Forward (5’-3’)	Reverse (5’-3’)
β-actin	CCGCGAGTACAACCTTCTTG	TGACCCATACCCACCATCAC
Bcl-2	GGGGCTACGAGTGGGATACT	GACGGTAGCGACGAGAGAAG
Bax	GGCGAATTGGCGATGAACTG	CCCAGTTGAAGTTGCCGTCT
Caspase 3	GGAGCTTGGAACGCGAAGAA	ACACAAGCCCATTTCAGGGT
Aggrecan	ATGGCATTGAGGACAGCGAA	GCTCGGTCAAAGTCCAGTGT
Collagen II	GCCAGGATGCCCGAAAATTAG	CCAGCCTTCTCGTCAAATCCT
MMP-3	GCTGTTTTTGAAGAATTTGGGTTC	GCACAGGCAGGAGAAAACGA
MMP-13	ATGCAGTCTTTCTTCGGCTTAG	ATGCCATCGTGAAGTCTGGT
ADAMTS-4	ACTGGTGGTGGCAGATGACA	TCACTGTTAGCAGGTAGCGCTTT