Table 1. Comparison of concentration of interferon (IFN)-γ and interleukin (IL)-4 in lymphocytes immunized by NIT-1, NIT-vector and NIT–hAAT cells (pg/mL,Mean±SD. n = 3).

	IFN-γ(Th1)			IL-4(Th2)
Group	NIT-1	NIT-vector	NIT-hAAT	NIT-1	NIT-vector	NIT-hAAT
	lymphocytes	lymphocytes	lymphocytes	lymphocytes	lymphocytes	lymphocytes
NIT-1	218.3±4.9	222.5±3.2	196.1±1.8*	22.8±3.7	23.2±2.7	24.2±4.8*
NIT-vector	223.6±5.1	219.3±4.1	202.1±2.2*	24.6±4.2	27.8±3.4	26.8±4.1*
NIT-hAAT	41.8±3.5**	42.3±4.1**	33.5±5.8**	45.4±2.6**	46.5±2.7**	52.1±3.25**
Control	182.1±6.4	188.1±7.2	164.6±5.2	28.2±0.8	30.7±6.1	32.2±7.2

*P<0·05, NIT-1, NIT-vector group versus Control group;

**P<0·01 NIT-hAAT versus Control, NIT-1 and NIT-vector group. No significant difference between the NIT-1 and NIT-vector groups was observed(P>0.05). No significant difference between the NIT-1primed lymphocytes or NIT-vector primed lymphocytes and the NIT–hAAT primed lymphocytes was observed(P>0.05).