Table 1.

Sequences of Primers Used for Real-Time Quantitative PCR

Gene Symbol	Forward Primer Sequence	Reverse Primer Sequence
GAPDH	5`- GTA TTG GGC GCC TGG TCA CC –3`	5`- CGC TCC TGG AAG ATG GTG ATG G –3`
IL-6	5`- TGA TGG ATG CTT CCA AAC TG –3`	5`- GAG CAT TGG AAG TTG GGG TA –3`
MMP-9	5`- CAATCCTTGCAATGTGGATG –3`	5`- TAAGGAAGGGGCCCTGTAAT –3`
TGF-β1	5`- ATC CCT GCG ACC CAC ACA AG –3`	5`- CAA CTG CTT TGG AAG GAC TCG –3`

Abbreviations: GAPDH, glyceraldehyde 3-phosphate dehydrogenase; IL-6, interleukin 6; MMP-9, matrix metallopeptidase 9; TGF-β1, transforming growth factor beta1.