Table II.

Primers used for RT-qPCR.

	Gene symbol	Sequence (5′→3′)
mmu-miR-21	(F) TGGCGTAGCTTATCAGACTGA	(R) GTGCAGGGTCCGAGGT
U6	(F) CTCGCTTCGGCAGCACATATACT	(R) ACGCTTCACGAATTTGCGTGTC
Mouse OCN	(F) TCTGACAAAGCCTTCATGTCC	(R) AAATAGTGATACCGTAGATGCG
Mouse Smad7	(F) AAGATCGGCTGTGGCATC	(R) CCAACAGCGTCCTGGAGT
Mouse β-actin	(F) CCTGAGGCTCTTTTCCAGCC	(R) TAGAGGTCTTTACGGATGTC
Mouse GAPDH	(F) ACCCAGAAGACTGTGGATGG	(R) CACATTGGGGGTAGGAACAC

OCN, osteocalcin; F, forward; R, reverse; GAPDH, glyceraldehyde 3-phosphate dehydrogenase.