Table 1.

Reference and target gene primer sequences used in qPCR experiments

Gene name	Sequence (F: Forward / R: Reverse)	Catalogue number	Reference
GAPDH*	F: 5′ CGCTCTCTGCTCCTCCTGTT 3′ R: 5′ CCATGGTGTCTGAGCGATGT 3′	Hs02758991_g1	NM_001256799
ACAN	F: 5′ AGGCAGCGTGATCCTTACC 3′ R: 5′ GGCCTCTCCAGTCTCATTCTC 3′	Hs00153936_m1	NM_001135
SOX9	F: 5′ GTACCCGCACTTGCACAAC 3′ R: 5′ TCTCGCTCTCGTTCAGAAGTC 3′	Hs01001343_g1	NM_000346
COL2A1	F: 5′ CGTCCAGATGACCTTCCTACG 3′ R: 5′ TGAGCAGGGCCTTCTTGAG 3′	Hs00264051_m1	NM_001844
COL1A2	F: 5′ CAGGAAACAGCTATGACC 3′ R: 5′ CTACTCTCAGCCCAGGAGGTCCTG 3′	Hs01028969_m1	NM_000089
COL9A1	F: 5′ TGTAAAACGACGGCCAGT 3′ R: 5′ CAGGAAACAGCTATGACC 3′	Hs00932129_m1	NM_001851
COL10A1	F: 5′ GGCAGAGGAAGCTTCAGAAA 3′ R: 5′ AAGGGTATTTGTGGCAGCATA 3′	Hs00166657_m1	NM_000493
COL11A1	F: 5′ TGTAAAACGACGGCCAGT 3′ R: 5′ CAGGAAACAGCTATGACC 3′	Hs01097664_m1	NM_001190709