Table 1.

Primers used for quantitative real-time RT-PCR.

Gene	Sequence 5′→3′	Temperature profile
PiC	GTGGTTTGGCTAAAGGATGG GGGCAATGTCAGCGAAGAA	Denaturation 95°C, 15 s
		Annealing 60°C, 40 s
		Extension 72°C, 30 s
β-actin	CGTAAAGACCTCTATGCCAACA AGCCACCAATCCACACAGAG	Denaturation 95°C, 15 s
		Annealing 60°C, 40 s
		Extension 72°C, 30 s