Table 1.

Primer sequences for RT-PCR analysis

Gene	Primer	Accession #
MMP1	Forward: 5′- GGGAGCAAACACATCTGACCTA-3′	NM_002421
	Reverse: 5′- GCTGGACAGGATTTTGGGAACG-3′
MMP3	Forward: 5′- GTCTCTTTCACTCAGCCAACAC-3′	NM_002422
	Reverse: 5′- CAGCTCGTACCTCATTTCCTCT-3′
MMP13	Forward: 5′- ACTTTATGCTTCCTGATGACGATG-3′	NM_002427
	Reverse: 5′- TGCTGTATTCAAACTGTATGGGTC-3′
COL2A1	Forward: 5′- GAGCAGCAAGAGCAAGGAGAAGA-3′	NM_001844, NM_033150
	Reverse: 5′- CAATGATGGGGAGGCGTGAGGTC-3′
Aggrecan	Forward: 5′- TCGTGGTGAAAGGCATCGTGTT-3′	NM_001135, NM_013227
	Reverse: 5′- TCATAGGTCTCGTTGGTGTCTC-3′
ADAMTS5	Forward: 5′- GATGTCTGTGCTCGCCTGTGGT-3′	NM_007038
	Reverse: 5′- CTGTGCAGTAGCGTCCGTTGTT-3′
GAPDH	Forward: 5′- ACCACAGTCCATGCCATCAC-3′	NM_002046
	Reverse: 5′- TCCACCACCCTGTTGCTGTA-3′