Table 1.

Lung injury score

	Lung Injury Score
	Edema fluid	Thickening of alveolar septa	Inflammatory infiltration
Saline	0.000 ± 0.000	0.103 ± 0.178	0.193 ± 0.109
ALI	1.624 ± 0.176*	1.581 ± 0.337*	1.662 ± 0.245*
ALI/siRNA Btk	0.243 ± 0.225	0.110 ± 0.120	0.076 ± 0.094
ALI/Neutrophils siRNAFcγRIII	0.323 ± 0.046	0.131 ± 0.075	0.030 ± 0.052

Values are means ± SD. Analysis was done for 3 animals per group. ALI, acute lung injury; Btk, Bruton's tyrosine kinase.

^*P < 0.001 compared with remaining groups of mice.