Table 1 Sequences of primers used to quantify gene expression by real-time PCR

GAPDH

Forward: GGAGTCAACGGATTTGGTCGTA

NM_002046

Reverse: GGCAACAATATCCACTTTACCAGAGT

MMP-1

Forward: GATGGACCTGGAGGAAATCTTG

NM_002421

Reverse: TGAGCATCCCCTCCAATACC

MMP-2

Forward: GCACCCATTTACACCTACACCAA

NM_004530

Reverse: AGAGCTCCTGAATGCCCTTGA

MMP-3

Forward: CCTGGTACCCACGGAACCT

NM_002422

Reverse: AGGACAAAGCAGGATCACAGTTG

MMP-8

Forward: GACCAACACCTCCGCAAATT

NM_002424

Reverse: CCCCAAAGAATGGCCAAAT

MMP-9

Forward: GGACGATGCCTGCAACGT

NM_004994

Reverse: ACAAATACAGCTGGTTCCCAATC

MMP-13

Forward: TTCTTGTTGCTGCGCATGA

NM_002427

Reverse: TGCTCCAGGGTCCTTGGA