Table 1.

Primer for RT-PCR.

Gene name	Primer	5′-3′
NK4	Sense	ATCCAAGGTCAAGGAGAAGGCT
	Anti-sense	TTCACAACGAGAAATAGGGCA
GAPDH	Sense	ACCACAGTCCATGCCATCAC
	Anti-sense	TCCACCACCCTGTTGCTGTA