Table 2.

Primers used for qRT-PCR amplification.

Primer name	Genbank number	Sequence of primer(5′-3′)
PRRSV-N-F	KX286735.1	GCCTCGTGTTGGGTGGCAGA
PRRSV-N-R		CACGGTCGCCCTAATTGAATAGG
TRAIP-F	XM_021068793.1	GGAAGCACATTCTCCCGTTCA
TRAIP-R		GGCGGATCATAGTCGTGTCAGTA
TNF-α-F	X57321	GAGATCAACCTGCCCGACT
TNF-α-R		CTTTCTAAACCAGAAGGACGTG
IFN-β-F	NM_001003923	GCAGTATTGATTATCCACGAGA
IFN-β-R		TCTGCCCATCAAGTTCCAC
NF-κB-F	X61498.1	CCCAGCCATTTGCACACCTCAC
NF-κB-R		TTCAGAATTGCCCGACCAGTTTTT
β-actin-F	DQ452569.1	GAATCCTGCGGCATCCACGA
β-actin-R		CTCGTCGTACTCCTGCTTGCT