TABLE 1.
Splenic lymphocyte subpopulations in adult C57BL/6 male and female mice orally exposed to 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)-propanoate for 28 days
Test compound (mg/kg) |
Relative spleen wta |
B cells (cells × 107) |
CD4+(cells × 107) |
CD8+(cells × 107) |
CD4+/CD8+(cells × 106) |
CD4−/CD8−(cells × 106) |
---|---|---|---|---|---|---|
Males | ||||||
0 | 3.81 ± 0.40 | 2.76 ± 1.07 | 2.36 ± 0.89 | 1.41 ± 0.51 | 0.60 ± 0.23 | 2.67 ± 1.39 |
1 | 3.59 ± 0.61 | 3.69 ± 0.78 | 3.27 ± 0.80 | 2.03 ± 0.37 | 0.73 ± 0.16 | 4.96 ± 1.25 |
10 | 3.78 ± 0.47 | 2.94 ± 1.00 | 2.55 ± 0.85 | 1.53 ± 0.48 | 0.59 ± 0.13 | 3.46 ± 0.96 |
100 | 4.07 ± 0.99 | 3.88 ± 1.22 | 3.62 ± 1.08 | 2.15 ± 0.61* | 1.02 ± 0.27* | 5.32 ± 2.27* |
Females | ||||||
0 | 5.34 ± 0.39 | 3.25 ± 1.11 | 2.54 ± 0.83 | 1.55 ± 0.45 | 0.57 ± 0.17 | 6.60 ± 2.34 |
1 | 5.15 ± 0.56 | 4.26 ± 0.77 | 3.39 ± 0.78 | 1.96 ± 0.19 | 0.85 ± 0.25 | 7.62 ± 2.09 |
10 | 5.01 ± 0.77 | 3.72 ± 0.70 | 2.67 ± 0.33 | 1.70 ± 0.40 | 0.74 ± 0.36 | 7.00 ± 4.06 |
100 | 4.65 ± 0.56* | 3.33 ± 1.11 | 2.84 ± 0.97 | 1.62 ± 0.47 | 0.77 ± 0.44 | 5.93 ± 2.11 |
A Data are presented as the mean cell number ± standard deviation based on a total of 10 000 events collected. N = 6 animals/sex/dose.
P < .05 from the 0 mg/kg group of the same sex.