Table I.

List of primers used and their respective forward and reverse sequences.

Gene	Sequence
β-actin	F: 5′-GTAAAGACCTCTATGCCAACA-3′
	R: 5′-GGACTCATCGTACTCCTGCT-3′
OPG	F: 5′-TTGAAATGGCAGTTGATTCCTTT-3′
	R: 5′-TATCCTCTTTCTCAGGGTGCTTG-3′
RANK ligand	F: 5′-CATCGGGTTCCCATAAAG-3′
	R: 5′-GAAGCAAATGTTGGCGTA-3′

OPG, osteoprotegerin; RANK, receptor activator of nuclear factor-κB.