Table I.

Primers used in reverse transcription quantitative polymerase chain reaction.

	Primer
Gene	Forward	Reverse
Runx2	5′-CCGCACGACAACCGCACCAT-3′	5′-CGCTCCGGCCCACAAATCTC-3′
BMP-2	5′-ACTCGAAATTCCCCGTGACC-3′	5′-CCACTTCCACCACGAATCCA-3′
SMAD1	5′-GGTGACTGGGAACGGATCG-3′	5′-TGGTCTTCGGTTCGGAAAGG-3′
SMAD7	5′-CCTCGGAAGTCAAGAGGCTG-3′	5′-CCTCGGAAGTCAAGAGGCTG-3′
GAPDH	5′-CAAGGTCATCCATGACAACTTTG-3′	5′-GTCCACCACCCTGTTGCTGTAG-3′

Runx2, runt-related transcription factor 2; BMP-2, bone morphogenetic protein-2.