Table 1. Primers used for reverse transcription-quantitative PCR.

Gene	Primer sequence (5′-3′)
miR-19b-3p	F: ACTGAGTCGTATCCAGTGCAA
	R: GTATCCAGTGCGTGTCGTGG
U6	F: CTCGCTTCGGCAGCACA
	R: AACGCTTCACGAATTTGCGT
PTEN	F: TGGATTCGACTTAGACTTGACCT
	R: GGTGGGTTATGGTCTTCAAAAGG
MMP-2	F: TACAGGATCATTGGCTACACACC
	R: GGTCACATCGCTCCAGACT
E-cadherin	F: CGAGAGCTACACGTTCACGG
	R: GGGTGTCGAGGGAAAAATAGG
Vimentin	F: GACGCCATCAACACCGAGTT
	R: CTTTGTCGTTGGTTAGCTGGT
GAPDH	F: GGAGCGAGATCCCTCCAAAAT
	R: GGCTGTTGTCATACTTCTCATGG