Table 1.

The sequences of the primers for RT-PCR

Target gene	Forward primers	Reverse primers	Genbank No.
MMP-9	GATCCCCAGAGCGTCATTC	CCACCTTGTTCACCTCATTTTG	NM013599
TIMP-1	CTCAAAGACCTATAGTGCTGGC	CAAAGTGACGGCTCTGGTAG	NM011593
GAPDH	TCCATGACAACTTTGGCATTG	CAGTCTTCTGGGTGGCAGTGA	XM001473623