Table 4.

Sequences of siRNAs, let-7 miRNA mimic and inhibitor

Gene	Primer sequences (strand)
PD-L1	Forward: 5′-GGAUAAGAACAUUAUUCAAdTdT-3′
	Reverse: 5′-UUGAAUAAUGUUCUUAUCCdTdT-3′
Si-circ-CPA4	5′-UUCUCCGAACGUGUCACGUTT-3′
Mimic	5′-UGAGGUAGUAGGUUGUAUGGUU-3’
Inhibitor	5′-AACCAUACAACCUACUACCUCA-3’