Table 2. Damage changes in PBLs and BMLs of rats inhaling radon and its progeny.
| Groups | No. of rats | Pan-nuclear γ-H2AX-positive cells (%) |
PCEMN (%) | PCE/NCE | |
|---|---|---|---|---|---|
| PBLs | BMLs | ||||
| Control | 10 | 0.58 ± 0.04 | 0.51 ± 0.05 | 0.81 ± 0.20 | 0.44 ± 0.08 |
| 10 WLM | 10 | 0.61 ± 0.10 | — | 0.96 ± 0.45 | 0.44 ± 0.10 |
| 14 WLM | 5 | — | 0.69 ± 0.10 | — | — |
| 30 WLM | 6 | 0.65 ± 0.10 | 0.66 ± 0.09 | 0.98 ± 0.52 | 0.47 ± 0.10 |
| 60 WLM | 6 | 0.82 ± 0.10 | 0.83 ± 0.25 | 2.78 ± 1.29*# | 0.40 ± 0.06 |
Abbreviations: PCEMN, micronuclei of polychromatic erythrocytes; PCE, polychromatic erythrocytes; NCE, normochromatic erythrocytes.
Data are presented as mean ± standard deviation.
Compared with PCEMN (%) of control group, *P < 0.05; compared with PCEMN (%) of 30 WLM group, #P < 0.05.