Table I.

Primers used for polymerase chain reaction amplification.

Molecule	Primers	Product size (bp)
Collagen I	5′-GCTGAA TCC TTC CGT GTT-3′ (sense)	105
	5′-AGG GAG GGG ACT TAT CTG-3′ (antisense)
Collagen II	5′-AGA GCG GAG ACT ACT GGA TTG-3′ (sense)	243
	5′-TCT GGA CGT TAG CGG TGT T-3′ (antisense)
Collagen X	5′-TCT GGG ATG CCT CTT GTC-3′ (sense)	153
	5′-TCT TGG GTC ATA GTG CTG-3′ (antisense)
Aggrecan	5′-ACC CGA CAA TTT CTT TGC-3′ (sense)	345
	5′-GGT CTC ATC GTC CGC TTC-3′ (antisense)
18S	5′-CGG CGA CGA CCC ATT CGA AC-3′ (sense)	99
	5′-GAA TCG AAC CCT GAT TCC CCG TC-3′ (antisense)