Table 1.

The Sequences of the PCR Amplification Primers

Gene	Primers	Product size	Reference
TGF-β1	5′-GGCAGTGGTTGAGCCGTGGA-3′	510 bp	17
	5′-TGTTGGACAGCTGCTCCACCT-3′
Type IV (α1) collagen	5′-CAATGCCCTTCCTGTTCTGC-3′	452 bp	35
	5′-GTGGACGGCGTAGGCTTCTT-3′
α-Actin	5′-CCTTCCTGGGCATGGAGTCCT-3′	204 bp	36
	5′-GGAGCAATGATCTTGATCTT-3′