Table 1. Primers of target genes.

Gene	Forward (5′–3′)	Reverse (5′–3′)
GAPDH	CCATCAACGACCCCTTCATT	ATTCTCAGCCTTGACTGTGC
Aggrecan	GCCTGCAAGGGAAATGTGTG	GGCGGAAAGATTTGCCGTTAG
Collagen II	GACCTCCGGCTCCTGCTCCTCTTAG	GACAGCACTCGCCCTCCCGTTTTTG
Bax	GGCGAATTGGCGATGAACTG	CCCAGTTGAAGTTGCCGTCT
Bcl-2	CGCCCGCTGTGCACCGAGA	CACAATCCTCCCCCAGTTCACC
Caspase-3	TACCCTGAAATGGGCTTGTGT	GTTAACACGAGTGAGGATGTG
TIMP-1	ACCTGGTTAAGGGCTAAATTCATG	ATTTCCACAGCGTCGAATC
TIMP-3	CCTTTGGCACTCTGGTCTACACT	CTTTCAGAGGCTTCCGTGTGA
MMP-3	AAAGAACCCGCTGAGAGCAG	AACCTCCATGCCAGCATCTT
ADAMTS-4	CGTTCCGCTCCTGTAACACT	TTGAAGAGGTCGGTTCGGTG