Table 1.

Primer sequences for real-time PCR.

Gene symbol	Forward primer (5′-3′)	Reverse primer (5′-3′)
nrf2	TCAGCGACGGAAAGAGTATGA	CCACTGGTTTCTGACTGGATGT
MMP1	TCAGGGGAGATCATCGGGAC	GTCCAAGAGAATGGCCGAGT
MMP2	GATACCCCTTTGACGGTAAGGA	CCTTCTCCCAAGGTCCATAGC
MMP3	ACTGGAGATTTGATGAGAAGAGAA	TGGGTCAAACTCCAACTGTGA
MMP9	AGACCTGGGCAGATTCCAAAC	CGGCAAGTCTTCCGAGTAGT
MMP14	CGAGGTGCCCTATGCCTAC	CTCGGCAGAGTCAAAGTGG
β-Actin	GGACCTGACTGACTACCTCAT	CGTAGCACAGCTTCTCCTTAAT