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Table 4 BAL fluid indices and lung glutathione ratios in saline- or cytomix-treated mice, 24 h after exposure to air or DEP for 2 consecutive days

From: Nitric oxide and superoxide mediate diesel particle effects in cytokine-treated mice and murine lung epithelial cells — implications for susceptibility to traffic-related air pollution

 

Air

DEP

N = 4/group

Saline

Cytomix

FeTMPyP: Cytomix

Saline

Cytomix

FeTMPyP: Cytomix

BAL fluid cells per lung (x10 3 )

Total Cells

110 ± 52

96.4 ± 22

109 ± 11

84.8 ± 21

107 ± 35

84.3 ± 10

Macrophages

101 ± 44

89.3 ± 20

101 ± 11

83.2 ± 21

96.4 ± 33

78.0 ± 9.1

Neutrophils

0.6 ± 0.10

4.1 ± 1.8

5.5 ± 1.5

0.4 ± 0.1

7.5 ± 2.6

4.7 ± 0.8

Lymphocytes

0.9 ± 0.6

3.0 ± 0.7

3.0 ± 1.2

1.2 ± 0.5

2.8 ± 0.7

1.6 ± 0.7

BAL fluid Biochemistries

LDH (U/mL)

37.0 ± 9.8

38.8 ± 8.6

38.1 ± 1.6

23.5 ± 1.3

43.7 ± 6.7

36.4 ± 2.6

Total Protein (μg/mL)

66.8 ± 17.8

82.0 ± 8.4

74.2 ± 1.7

68.1 ± 2.4

88.1 ± 16.9

75.9 ± 2.3

Albumin (μg/mL)

15.9 ± 3.1

16.6 ± 0.5

14.1 ± 0.8

16.9 ± 0.4

14.7 ± 1.7

14.7 ± 0.6

Lung GSH:GSSG

3.9 ± 0.4

3.1 ± 0.6

1.7 ± 0.1

9.9 ± 1.2*

9.2 ± 1.8*

8.8 ± 1.4*

  1. Data are expressed as the mean (± SEM) in saline- or cytomix-treated mice, 24 h after exposure to air or DEP for 2 consecutive days (2 mg/m3; 4 h/d × 2 d). Asterisk (*) indicates significantly different than saline-exposed mice ( p < 0.05).