Table I.

Primer sequences used for reverse transcription- quantitative polymerase chain reaction.

Genes	Primer sequences (5′-3′)
MALAT1	F: AAAGCAAGGTCTCCCCACAAG
	R: GGTCTGTGCTAGATCAAAAGGC
FZD2	F: GCGAAGCCCTCATGAACAAG
	R: TCCGTCCTCGGAGTGGTTCT
miR-17-5p	F: CAAAGTGCTTACAGTGCAGGTAG
	R: GAATACCTCGGACCCTGC
U6	F: CTCGCTTCGGCAGCACA
	R: AACGCTTCACGAATTTGCGT
GAPDH	F: ACAACTTTGGTATCGTGGAAGG
	R: GCCATCACGCCACAGTTTC

F, forward primer; R, reverse primer; FZD2, frizzled class receptor 2; MALAT1, metastasis associated lung adenocarcinoma transcript 1; miR, microRNA.