Table 1. The primer sequence used in the research.

Name	Sequence
miR-302b-F	5′-GATAAGTGCTTCCATGT-3′
miR-302b-R	5′-CAGTGCGTGTCGTGGAGT-3′
U6-F	5′-CTCGCTTCGGCAGCACA-3′
U6-R	5′-AACGCTTCACGAATTTGCGT-3′
ErBb4-F	5′-AGGAGTGAAATTGGACACAGC-3′
ErBb4-R	5′-TCCATCTCGGTATACAAACTGGT-3′
IRF2-F	5′-TGAAGTGGATAGTACGGTGAACA-3′
IRF2-R	5′-CGGATTGGTGACAATCTCTTG-3′
CXCR4-F	5′-GGATATAATGAAGTCACTATGGGAAAA-3′
CXCR4-R	5′-GGGCACAAGAGAATTAATGTAGAAT-3′
GAPDH-F	5′-ACCACAGTCCATGCCATCAC-3′
GAPDH-R	5′-TCCACCACC CTGTTGCTGTA-3′