| SUN Jing,LI Bing-Yan,CHEN Yue-Jin,et al.DNA damage of bone marrow cells in mice induced by radon exposure[J].Chinese Journal of Radiological Medicine and Protection,2008,28(5):449-451 |
| DNA damage of bone marrow cells in mice induced by radon exposure |
| Received:May 08, 2008 |
| DOI： |
| KeyWords:Radon Bone marrow cells DNA damage |
| FundProject: |
| Author Name | Affiliation | E-mail | | SUN Jing | Radiation and Public Health College, Soochou University, Suzhou 215007, China | | | LI Bing-Yan | Radiation and Public Health College, Soochou University, Suzhou 215007, China | | | CHEN Yue-Jin | Radiation and Public Health College, Soochou University, Suzhou 215007, China | | | 聂继华 | Radiation and Public Health College, Soochou University, Suzhou 215007, China | | | 童建 | Radiation and Public Health College, Soochou University, Suzhou 215007, China | tongjian@suda.edu.cn |
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| Abstract:: |
| Objective To study the DNA damage of bone marrow cells of mice after exposure to Radon. Methods Twenty-four mice were randomly divided into four groups, one control group and three experimental groups with the cumulative doses of radon at 27 WLM(low dose group), 52 WLM(middle dose group) and 105 WLM(high dose group). DNA damage induced by radon in bone marrow of mice was detected by methods of single cell gel electrophoresis (SCGE), micronucleus(MN) and laser scanning confocal microscope (LSCM) observation. Results The DNA strand breakage, rate of MN and apoptosis increased significantly in the high dose group, but not in the middle and low dose groups. Conclusions Exposure to radon could induce DNA damage in bone marrow cells of mice at high levels. |
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