Table 1.

Primer sequences for real-time quantitative polymerase chain reaction analyses.

Gene	Forward primer	Reverse primer
MMP2	ACCGAGGATTATGACCGGGA	GCTGGTGCAGCTCTCATACT
MMP9	TCGGATGGTTATCGCTGGTG	AAGACGCACATCTCTCCTGC
TIMP1	ACAGCTTTCTGCAACTCGGA	CGGAAACCTGTGGCATTTCC
TIMP2	CGAGAAGGAGGTGGATTCCG	CCGCCTTCCCTGCAATTAGA
β-actin	TGTCACCAACTGGGACGATA	GGGGTGTTGAAGGTCTCAAA

MMP2, matrix metalloproteinase 2; MMP9, matrix metalloproteinase 9; TIMP1, tissue inhibitor of metalloproteinase 1; TIMP2, tissue inhibitor of metalloproteinase 2.