Table II.

Primer sequences used in quantitative polymerase chain reactions.

Primer	Sequence
U6
Forward	5′-ATTGGAACGATACAGAGAAGATT-3′
Reverse	5′-GGAACGCTTCACGAATTTG-3′
miR-21
Forward	5′-ACGTTGTGTAGCTTATCAGACTG-3′
Reverse	5′-AATGGTTGTTCTCCACACTCTC-3′
GAPDH
Forward	5′-GAGTCAACGGATTTGGTCGT-3′
Reverse	5′-TTGATTTTGGAGGGATCTCG-3′
PTEN
Forward	5′-GCACTGTTGTTTCACAAGATGATG-3′
Reverse	5′-GCAGACCACAAACTGAGGATTG-3′
PDCD4
Forward	5′-CGACAGTGGGAGTGACGCCCTTA-3′
Reverse	5′-CAGACACCTTTGCCTCCTGCACC-3′

miR, microRNA; PDCD4, programmed cell death 4; PTEN, phosphatase and tensin homologue.