Table 1. Primers used for real-time PCR.

Target	Forward-Primer (5′-3′)	Reverse-Primer (5′-3′)
MMP-1	AAAATTACACGCCAGATTTGCC	GGTGTGACATTACTCCAGAGTTG
MMP-3	AGTCTTCCAATCCTACTGTTGCT	TCCCCGTCACCTCCAATCC
MMP-9	TGTACCGCTATGGTTACACTCG	GGCAGGGACAGTTGCTTCT
MMP-12	GGAATCCTAGCCCATGCTTTT	CATTACGGCCTTTGGATCACT
TIMP-1	CTTCTGCAATTCCGACCTCGT	ACGCTGGTATAAGGTGGTCTG
β-actin	ATTGGCAATGAGCGGTTC	GGATGCCACAGGACTCCAT