TABLE 1.

Primer sequences used in qRT-PCR.

Gene name	PCR primer sequence 5’→ 3′
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH)	TGC​ACC​ACC​AAC​TGC​TTA​GC GGC​ATG​GAC​TGT​GGT​CAT​GAG
Aggrecan (ACAN)	TCGAGGACAGCGAGGCC TCGAGGGTGTAGCGTGTAGAG
Type I collagen (COL1A1)	CCAGAAGAACTGGTACATCA CCGCCATACTCGAACTGGAA
Type II collagen (COL2A1)	CAACACTGCCAACGTCCAGAT CTGCTTCGTCCAGATAGGCAA
Matrix metallopeptidase 13 (MMP-13)	TCCCTGAAGGGAAGGAGC CTCGTCCAGGATGGCGTAG
Interleukin-6 (IL-6)	GTG​GAG​ATT​GTT​GCC​ATC​AAC​G CAG​TGG​ATG​CAG​GGA​TGA​TGT​TCT​G
Tumor necrosis factor alpha (TNF-α)	CGAGTGACAAGCCTGTAGC GGTGTGGGTGAGGAGCACAT