Table 1.

Primers used in the present study.

Gene	Primer sequence
miR-187-3p	forward: 5′-CACAGGACCCGGGCG-3′
	reverse: 5′-CCGGCTGCAACACAAGAC-3′
miR-665	forward: 5′-CTCGCTTCGGCAGCACA-3′
	reverse: 5′-CAGTGCGTGTCGTGGAGT-3′
U6	forward: 5′-CTCGCTTCGGCAGCACA-3′
	reverse: 5′-AACGCTTCACGAATTTGCG′
hsa_circRNA_104348	forward: 5′-TCTGTGTGTCAAAGCAAGGC-3′
	reverse: 5′-AGATGCCACTGAATCACCCA-3′
RTKN2	forward: 5′-CTCATGGTGTGCAATGCTCG-3′
	reverse:5′-ACTGCAGATAGAGAAATGGACTT-3′
GAPDH	forward: 5′-CTCTGCTCCTCCTGTTCGAC-3′reverse: 5′- GCGCCCAATACGACCAAATC-3′