Table 1.

Primers for the real-time polymerase chain reaction assay.

Genes		Sequences
Osteopontin	Forward	5′-ATCAGGACAGCAACGGGAAG-3′
	Reverse	5′-TGATGTTCCAGGCTGGCTTT-3′
β-actin	Forward	5′-GACCCAGATCATGTTTGAGACC-3′
	Reverse	5′-AGTACTTGCGCTCAGGAGGA-3′