Primer sequence for qPCR^a.

Gene	Primer sequence (5′–3′)
Actb	F: 5′-CACCCGCGAGCACAGCTTCTT-3′
	R: 5′-CCACCATCACACCCTGGTGCCT-3′
Acp5	F: 5′-TGTGGCCATCTTTATGCT-3′
	R: 5′-GTCATTTCTTTGGGGCTT-3′
Ctsk	F: 5′-GGGAGAAAAACCTGAAGC-3′
	R: 5′-ATTCTGGGGACTCAGAGC-3′
Ctr	F: 5′-TGGTTGAGGTTGTGCCCA-3′
	R: 5′-CTCGTGGGTTTGCCTCATC-3′

^aAbbreviations: Actb, actin beta; Acp5, acid phosphatase 5, tartrate resistant; Ctsk, cathepsin K; Ctr, calcitonin receptor; F, forward; R, reverse.