Table 1

Bronchoalveolar lavage fluid characteristics from animals killed 18 and 72 hours after instillation of saline (Control) or lipopolysaccharide (LPS).


Control 18 (n = 6)
LPS 18 (n = 6)
Control 72 (n = 6)
LPS 72 (n = 6)

Cell Numbers (106)
12.3 ± 1.1
102.8 ± 8.1*
11.3 ± 0.9
57.3 ± 6.6*#
% Macrophages
98.2 ± 0.3
7.3 ± 0.8*
97.7 ± 0.4
90 ± 1.5*
% Neutrophils
1.8 ± 0.3
92.7 ± 0.8*
2.3 ± 0.4
10 ± 1.5*
Alveolar Phospholipid (mg PL/kg BW)
14.7 ± 0.7
12.8 ± 0.9
14.0 ± 0.4
12.9 ± 0.5

Abbreviations: PL = phospholipid; BW = body weight. Values are mean ± SEM. * = p < 0.01 vs. appropriate control; # = p < 0.01 vs. LPS 18.

Malloy and Wright Respiratory Research 2004 5:8   doi:10.1186/1465-9921-5-8