Table I.

Primer sequences.

Gene	Primer sequence
SOX-9	Forward 5′-CATGAACGCCTTCATGGTGT-3′
	Reverse 5′-CCACACCTCCTCTTCTTTCT-3′
AGN	Forward 5′-ATCCCAGAAAACTTCTTTGG-3′
	Reverse 5′-TTCTACTCACTCCCCCTT-3′
Col II	Forward 5′-AACAGCCAAAGGACCCAAGT-3′
	Reverse 5′-AAATAACACAACCACCCTCT-3′
Col X	Forward 5′-TTCCATTTGATAAGATTTTG-3′
	Reverse 5′-ACCTACACTCTCTTTTACTC-3′
HPGD	Forward 5′-CGGGCATGAGTCCTGCTAAA-3′
	Reverse 5′-TCACCCCTTCCCTTTCTACC-3′
Col I	Forward 5′-TCTTTTTCCTCTTCTTCTTT-3′
	Reverse 5′-TTTTTATTTTATTTTTCCTA-3′
β actin	Forward 5′-CCAACCGCGAGAAGATGA-3′
	Reverse 5′-CCAGAGGCGTACAGGGATAG-3′

SOX-9, transcription factor Sox9; AGN, aggrecan; Col, collagen; HPGD, 15-hydroxyprostaglandin dehydrogenase [NAD(+)].