Table 1.

PCR primers used in this study.

Gene		Primer (5′-3′)	Amplicon	Reference
PoIFN-β a	Sense	ATGGCTAACAAGTGCATCC	561	This study
	Anti-sense	TCAGTTCCGGAGGTAATCT
PoIFN-β b	Sense	AAATCGCTCTCCTGATGTGTT	539	This study
	Anti-sense	TCAGTGGTGGTGGTGGTGGTGGTTCCGGAGGTAATCTGTAA
PoIFN-β c	Sense	ATGTCAGAAGCTCCTGGGACAGTT	246	Sang et al.
	Anti-sense	AGGTCATCCATCTGCCCATCAAGT
PoIFN-β R	Sense	AGTGTTGGATGAATGCTAACAA	259	This study
	Anti-sense	TGGTGGAGAAACACATCAGG
GAPDH	Sense	TGGYATCGTGGAAGGRCTCAT	370	Sang et al.
	Anti-sense	RTGGGWGTYGCTGTTGAAGTC

^a Primer pair for gene cloning; ^b Primer pair for expression vector construction; ^c Primer pair for detection of differential expression by real-time quantitative RT-PCR; ^R Primer pair for cloning of regulatory element of PoIFN-β gene.