Table II.
Markers of injury and DAMPs measured in BAL fluid at 6 hours after instillation of PBS or S. pneumoniae (SP) in WT or Nrf2 null mice
| Analyte | WT | Nrf2 null | ||||
|---|---|---|---|---|---|---|
| PBS (n=7) |
S. pneumoniae 2.36 ± 0.048 × 106 CFU per mouse (n=5) |
S. pneumoniae 5.82 ± 0.43 × 107 CFU per mouse (n=8) |
PBS (n=7) |
S. pneumoniae 2.16 ± 0.036 × 106 CFU per mouse (n=5) |
S. pneumoniae 5.14 ± 0.31 × 107 CFU per mouse (n=11) |
|
| Protein (μg/mL) |
110 ± 7.9 | 165 ± 14 | 3296 ± 436 * | 121 ± 11 | 178 ± 38 | 3552 ± 363 * |
| dsDNA (ng/mL) |
12 ± 2.1 | 25 ± 6.0 | 92 ± 13 * | 13 ± 3.1 | 22 ±4.2 | 66 ± 6.3 * |
| sICAM-1 (ng/mL) |
101 ± 10 | 144 ± 9.1 | 184 ± 11 * | 122 ± 12 | 162 ± 9.5 | 182 ± 7.8 * |
| S100A8 (pg/mL) |
1109 ± 243 | 5571 ± 1257 | 41,812 ± 4870* |
5215 ± 2107 | 10,171 ± 2969 |
26150 ± 2530 *,† |
| RAGE (pg/mL) |
310 ± 30 | 664 ± 285 | 5305 ± 938 * | 396 ± 23 | 589 ± 82 | 5753 ± 623 * |
| S100A9 (pg/mL) |
2102 ±392 | 6316 ± 1001 | 48,738 ± 5690 * |
5404 ± 1605 | 9732 ± 1761 | 32,117 ± 3370 *,† |
Values are mean ± SEM. The number of samples in each group (n) is shown in the column subheadings.
, significantly different compared with PBS control of the same genotype;
, significantly different compared with WT mice that received the same treatment (p≤0.05, ANOVA and Tukey-Kramer HSD post hoc test).