Table 1. The primers used in PCR reaction.

Name	Forward primer	Reverse primer
PDGFA	CAAGACCAGGACGGTCATTT	CCTGACGTATTCCACCTTGG
PDGFB	TCCCGAGGAGCTTTATGAGA	GGGTCATGTTCAGGTCCAAC
PDGFRα	GAAGCTGTCAACCTGCATGA	CTTCCTTAGCACGGATCAGC
Snail	CGGAAGCCTAACTACAGCGA	GGACAGAGTCCCAGATGAGC
Slug	CATGCCTGTCATACCACAAC	GGTGTCAGATGGAGGAGGG
Vimentin	TGTCCAAATCGATGTGGATGTTTC	TTGTACCATTCTTCTGCCTCCTG
E-cadherin	GAAGTGTCCGAGGACTTTGG	CAGTGTCTCTCCAAATCCGATA
SDF-1α	CCGCGCTCTGCCTCAGCGACGGGAAG	CTTGTTTAAAGCTTTCTCCAGGTACT
CXCR4	GAACCCTGTTTCCG GAAGA	CTTGTCCGTCATGCTTCTCA
GAPDH	CAGCCTCAAGATCATCAGCA	TGTGGTCATGAGTCCTTCCA