TABLE 2.

Primers used for qRT-PCR^a

Target	Direction	Primer sequence
circ-ERBB2	F	5′-ACGTTTGAGTCCATGCCCAA-3′
	R	5′-ACCTGCCTCACTTGGTTGTG-3′
ERBB2	F	5′-GGAAGTACACGATGCGGAGACT-3′
	R	5′-ACCTTCCTCAGCTCCGTCTCTT-3′
PDK4	F	5′-AGGTGGAGCATTTCTCGCGCTA-3′
	R	5′-GAATGTTGGCGAGTCTCACAGG-3′
miR-1276	F	5′-GCGCGTAAAGAGCCCTGTG-3′
	R	5′-AGTGCAGGGTCCGAGGTATT-3′
miR-136-5p	F	5′-CGCGACTCCATTTGTTTTGAT-3′
	R	5′-AGTGCAGGGTCCGAGGTATT-3′
miR-503-5p	F	5′-CGTAGCAGCGGGAACAGTT-3′
	R	5′-CGTAGCAGCGGGAACAGTT-3′
miR-520f-3p	F	5′-CGCGAAGTGCTTCCTTTTAG-3′
	R	5′-CGCGAAGTGCTTCCTTTTAG-3′
U6	F	5′-CGCTTCGGCAGCACATATAC-3′
	R	5′-TTCACGAATTTGCGTGTCATC-3′
β-Actin	F	5′-GTCACCAACTGGGACGACAT-3′
	R	5′-GAGGCGTACAGGGATAGCAC-3′
GAPDH	F	5′-TGACTTCAACAGCGACACCCA-3′
	R	5′-CACCCTGTTGCTGTAGCCAAA-3′

^aF, forward; R, reverse; GAPDH, glyceraldehyde-3-phosphate dehydrogenase.