From: Biokinetics and effects of barium sulfate nanoparticles
 | 4-week exposure | 13-week exposure | ||
---|---|---|---|---|
 | Control | BaSO4 | Control | BaSO4 |
BaSO4 lung burden (mg) |  | 0.84 ± 0.18 |  | 1.73 ± 0.85 |
Total cells (million) | Â | Â | Â | Â |
1 day | 0.649 ± 0.20 | 0.562 ± 0.12 | 0.610 ± 0.20 | 0.836 ± 0.15* |
35 days | 0.580 ± 0.11 | 0.454 ± 0.12 | ND | ND |
Neutrophils (million) | Â | Â | Â | Â |
1 day | 0.007 ± 0.003 | 0.021 ± 0.010* | 0.016 ± 0.006 | 0.204 ± 0.175* |
35 days | 0.019 ± 0.008 | 0.032 ± 0.024 | ND | ND |
Total protein (mg/L) | Â | Â | Â | Â |
1 day | 60 ± 4 | 77 ± 13* | 52 ± 10 | 64 ± 13 |
35 days | 81 ± 23 | 59 ± 13 | ND | ND |
GGT (nkat/L) | Â | Â | Â | Â |
1 day | 37 ± 17 | 40 ± 10 | 41 ± 7 | 64 ± 13* |
35 days | 42 ± 12 | 37 ± 12 | ND | ND |
ALP (μkat/L) |  |  |  |  |
1 day | 0.83 ± 0.16 | 0.83 ± 0.20 | 0.51 ± 0.10 | 0.87 ± 0.21* |
35 days | 0.70 ± 0.09 | 0.70 ± 0.12 | ND | ND |
MCP-1 (pg/ml) | Â | Â | Â | Â |
1 day | 14.0 ± 0.0 | 54.7 ± 14.3* | 24.2 ± 8.4 | 176.7 ± 126.1*# |
35 days | 17.3 ± 2.6 | 14.7 ± 1.7 | ND | ND |
CINC-1/IL-8 (pg/ml) | Â | Â | Â | Â |
1 day | 104.2 ± 26.7 | 158.7 ± 22.4* | 93.7 ± 18.7 | 223.8 ± 125.7* |
35 days | 158.8 ± 38.1 | 167.6 ± 41.1 | ND | ND |