Table 1.

Primer pairs used for quantitative real-time RT-PCR.

Target genes	Primer	Sequence
IGF-1	Forward	5′-TGCTCTTCAGTTCGTGTG-3′
	Reverse	5′-ACATCTCCAGTCTCCTCAG-3′
VEGF	Forward	5′-TCTTCAAGCCATCCTGTGTG-3′
	Reverse	5′-GCGAGTCTGTGTTTTTGCAG-3′
TGF-β1	Forward	5′-GGCGGTGCTCGCTTTGTAC-3′
	Reverse	5′-TCCCGAATGTCTGA CGTATTGA-3′
GAPDH	Forward	5′-GGGAAGCCCATCACCATCT-3′
	Reverse	5′-CGGCCTCACCCCATTTG-3′