Table 1.

PCR primers.

Gene	Primer sequences	Product size (bp)
β-actin	Sense 5′-GAGGGAAATCGTGCGTGAC-3′ Antisense 5′-TAGGAGCCAGGGCAGTAATCT-3′	353
Aggrecanase-1	Sense 5′-GCATCCGAAACCCTGTCAAC-3′ Antisense 5′-GGCGGTCAGCATCATAGTCC-3′	192
Aggrecanase-2	Sense 5′-AACTTGACATTTGGGCCTGA-3′ Antisense 5′-CAATGGCGGTAGGCAAACT-3′	290
Aggrecan	Sense 5′-GCTACACAGGTGAAGACTTTGTAGACATCC-3′ Antisense 5′-GCTGTGCCTCCTCAAATGTCAGAGAGTATCT-3′	478
Collagen II	Sense 5′-TGGTGCTGCTGACGCTGCTCATCGCCACGGTCCTA-3′ Antisense 5′-GCCTTCTGATCAAATCCTCCAGCCATCTGGGCCCGC-3′	339