1.

基因转染组和对照组AM培养上清液中TNF-α、NO和IL-1水平（Mean±SD）

The content of TNF-α, NO and IL-1 in incubating solution of alveolar macrophages of two groups (Mean±SD)

Group	n	TNF-a (ng/L)	NO (μmol/L)	IL-1 (ng/mL)
INF-γ gene were transfected	30	43.2±3.5	90.6±5.9	2, 643±236
Contrast of plasmid	30	20.8±3.2	45.2±4.7	1, 239±198
t		15.339	61.673	44.357
P		< 0.001	< 0.001	< 0.001