Table I.

Primer sequences used for quantitative polymerase chain reaction.

Gene	Primer sequence
Actin
Forward	5′-CACCCAGCACAATGAAGATCAAGAT-3′
Reverse	5′-CCAGTTTTTAAATCCTGAGTCAAGC-3′
Snail
Forward	5′-TTACCTTCCAGCAGCCCTACGA-3′
Rerverse	5′-GAGCCTTTCCCACTGTCCTCAT-3′
Slug
Forward	5′-TCCTGGTCAAGAAGCATTTCA-3′
Reverse	5′-CGCCCCAAAGATGAGGAGTAT-3′
Zeb1
Forward	5′-GCAGTCTGGGTGTAATCGTAAAT-3′
Reverse	5′-TTGCCGTATCTGTGGTCGTG-3′
Zeb2
Forward	5′-TCCCTTCTGCGACATAAATACG-3′
Reverse	5′-TGTGATTCATGTGCTGCGAGTA-3′

Zeb, zinc finger E-box binding homeobox.