Table 1.
Exposure Duration | 4 Days | 14 Days | ||||||
---|---|---|---|---|---|---|---|---|
PFOA (w/v) | 0% | 0.5% | 1% | 2% | 0% | 0.5% | 1% | 2% |
Cellularity (× 107) | 9.48 ± 1.29 | 6.52 ± 0.40** | 4.54 ± 0.38** | 4.59 ± 0.47** | 8.85 ± 0.75 | 3.78 ± 0.62** | 0.86 ± 0.10** | 0.82 ± 0.08** |
CD4+ (× 107) | 2.24 ± 1.24 | 1.67 ± 1.38** | 1.11 ± 0.85** | 1.19 ± 0.13** | 1.93 ± 0.17 | 1.14 ± 0.15** | 0.30 ± 0.02** | 0.27 ± 0.02** |
CD4+ (%) | 23.70 ± 0.43 | 25.50 ± 0.53 | 24.72 ± 0.48 | 25.90 ± 1.22 | 21.82 ± 0.74 | 31.02 ± 1.69** | 36.50 ± 1.95** | 33.58 ± 1.00** |
CD8+ (× 106) | 10.85 ± 0.57 | 7.62 ± 0.45** | 5.07 ± 0.44** | 5.32 ± 0.51** | 9.19 ± 0.80 | 5.22 ± 0.78** | 1.33 ± 0.11** | 1.28 ± 0.12** |
CD8+ (%) | 11.48 ± 0.19 | 11.70 ± 0.28 | 11.16 ± 0.32 | 11.64 ± 0.34 | 10.41 ± 0.39 | 14.00 ± 0.42** | 15.84 ± 0.76** | 15.62 ± 0.57** |
B-cells (× 107) | 3.50 ± 0.22 | 2.45 ± 0.14** | 1.69 ± 0.16** | 1.74 ± 0.19** | 3.45 ± 0.33 | 1.32 ± 0.24** | 0.27 ± 0.03** | 0.21 ± 0.03** |
B-cells (%) | 36.94 ± 0.70 | 37.68 ± 0.73 | 37.14 ± 0.47 | 37.84 ± 0.51 | 38.82 ± 0.61 | 34.42 ± 1.22 | 25.72 ± 1.68** | 25.20 ± 1.73** |
Dendritic Cells (× 105) | 9.98 ± 0.11 | 7.12 ± 0.15** | 5.30 ± 0.54** | 5.63 ± 0.54** | 7.80 ± 0.68 | 4.32 ± 0.64** | 0.76 ± 0.12** | 0.88 ± 0.10** |
Dendritic Cells (%) | 1.06 ± 0.05 | 1.10 ± 0.05 | 1.16 ± 0.07 | 1.23 ± 0.04 | 0.88 ± 0.03 | 1.16 ± 0.06** | 0.86 ± 0.07 | 1.06 ± 0.04 |
Monocytes (× 106) | 3.73 ± 0.31 | 2.53 ± 0.78** | 1.75 ± 0.17** | 1.72 ± 0.18** | 3.31 ± 0.35** | 1.15 ± 0.18** | 0.42 ± 0.07** | 0.50 ± 0.03** |
Monocytes (%) | 3.92 ± 0.16 | 3.93 ± 0.20 | 3.84 ± 0.14 | 3.78 ± 0.23 | 3.71 ± 0.16 | 3.10 ± 0.18 | 4.97 ± 0.56 | 6.35 ± 0.62** |
Spleen immune phenotyping following 4 and 14 days of PFOA exposure. Numbers represent mean (± SE) of 5 mice per group. Levels of statistical significance are denoted (**p < 0.01 and * p < 0.05) as compared to acetone vehicle (0%).