Gene Name	Forward	Reverse
SOX9	5′-TTTCCAAGACACAAACATGA-3′	5′-AAAGTCCAGTTTCTCGTTGA-3′
COL2A1	5′-GGCAATAGCAGGTTCACGTACA-3′	5′-CGATAACAGTCTTGCCCCACTT-3′
ACAN	5′-TCGAGGACAGCGAGGCC-3′	5′-TCGAGGGTGTAGCGTGTAGAGA-3′
GAPDH	5′-CCACCCATGGCAAATTCCATGGCA-3′	5′-TCTAGACGGCAGGTCAGGTCCACC-3′