| ZHOU Mei juan,ZHENG Li,DING Zhen hua.The effect of natural hot environment on survival and peripheral blood lymphocytes in γ-irradiated mice[J].Chinese Journal of Radiological Medicine and Protection,2004,24(3):273-274 |
| The effect of natural hot environment on survival and peripheral blood lymphocytes in γ-irradiated mice |
| Received:May 24, 2003 |
| DOI： |
| KeyWords:γ-ray Hot environment Survival time Lymphocyte |
| FundProject:军队“十五”医教卫生基金资助项目(01MA127); 第一军医大学留学回国人员启动基金(2003001); 第一军医大学军事医学直接立项管理项目(2002009) |
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| Abstract:: |
| Objective To study the effect of natural hot environment(NHE) on survival and peripheral blood lymphocytes in γ irradiated in mice. Methods After γ irradiation at the dosage of 6.5 or 9.0 Gy,the mice were exposed to NHE for 0,3,6,9 h or 30 days.After exposure to NHE,mice of the 6 h and 9 h groups. were then bred at room temperature.The survival and peripheral blood lymphocyteds were observed for 30 days. Results There were obvious differences in survival time between the groups that were exposed to NHE for 9 h and 30 d and that of the 0 h group,the mice of these three groups having been irradiated with 6.5 Gy.For 9.0 Gy-irradiated mice,the survival times of the 6,9 h and 30 d groups were all significantly shorter than that of the 0 h group.The descending rate of peripheral blood lymphocytes in 0 h group is smaller than that of all NHE groups There was no lymphocyte fluctuate resuscitation in all NHE groups as seen in the 0 h group. Conclusion There is a significant decrease of survival indexes and a faster descending rate of peripheral blood lymphocytes in mice exposed to after γ irradiation. |
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