TABLE 2.
G. lamblia infections in C57BL/6, BALB/c, and IL-9-deficient BALB/c mice
| Mouse straina | Day postinfection | 104 Parasites (avg ± SD)b |
|---|---|---|
| C57BL/6J | 5 | 0.7 ± 0.9 |
| 12 | ND | |
| BALB/c | 5 | 62.1 ± 49.2c |
| 12 | ND | |
| BALB/c IL-9−/− | 5 | 0.6 ± 0.3d |
| 12 | ND |
a
Four- to 6-week-old female mice were infected with 106 G. lamblia on day 0, and groups of 4 mice were analyzed on the indicated days postinfection.
b
Average and standard deviation of the number of parasites found in the small intestines. ND, none detected. Data are representative of the results from two separate experiments.
c
P < 0.05 compared to C57BL/6 mice by the Mann-Whitney test.
d
P < 0.05 compared to BALB/c controls by the Mann-Whitney test.