Table 1.

Primer sequences for qRT-PCR.

gene	accession number	primer sequence	product size (bp)
GAPDH	L23961	forward: 5′-GGG TGG TGG ACC TCA TGG T-3′ reverse: 5′-CGG TGG TTT GAG GGC TCT TA-3′	57
aggrecan	L38480	forward: 5′-GGG ACG TGT GCG CAT CA-3′ reverse: 5′-GTA GTT GGG CAG CGA GAC CTT-3′	54
type I collagen	D49399	forward: 5′-GGG ACA CAA CGG ATT GCA A-3′ reverse: 5′-GCA CCT TGA TCA CCA TGT TGA C-3′	59
type II collagen	D83229	forward: 5′-CCC CGT CTG CCC TAC TGA-3′ reverse: 5′-GTT CTC CTT TCT GCC CCT TTG-3′	67