| 低剂量X射线照射孕鼠后对其仔鼠生长发育的影响 |
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| 引用本文： | 张炜,王培军,李铭华,姜文霞,张静,江虹.低剂量X射线照射孕鼠后对其仔鼠生长发育的影响[J].中国辐射卫生,2009,18(2):156-158. |
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| 作者姓名： | 张炜 王培军 李铭华 姜文霞 张静 江虹 |
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| 作者单位： | 同济大学附属同济医院医学影像科, 上海 200065 |
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| 摘 要： | 目的 研究不同低剂量X射线照射孕期SD大鼠后对其仔鼠生长发育的不同影响。方法 建立受不同低剂量率组X射线照射的孕SD大鼠模型,对出生的仔鼠进行一般神经体格发育的检测。结果 结果表明0.015mGy/d及0.03mGy/d两个低剂量率,对仔鼠的神经体格发育具有不同程度的生长促进作用;0.06mGy/d的受照射剂量率对仔鼠的生长发育没有明显的影响,而接受0.09mGy/d的受照射剂量率对仔鼠的生长发育呈现出一定的阻碍作用。结论 出生前宫内受到低剂量X射线照射对仔鼠的生长发育具有一定的促进作用,随着受照射X射线剂量的增加,这种兴奋作用减弱并对仔鼠的生长发育呈现出一定的阻碍作用。
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| 关 键 词： | 低剂量辐 Hormesis效应(兴奋作用) 生长发育 |
| 收稿时间： | 2008-10-10 |
Effect on the Growth of Offsping Received Low Doses Radiation in Uterus |
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| ZHAHG Wei,WANG Pei-jun,LI Ming-hua,et al..Effect on the Growth of Offsping Received Low Doses Radiation in Uterus[J].Chinese Journal of Radiological Health,2009,18(2):156-158. |
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| Authors: | ZHAHG Wei WANG Pei-jun LI Ming-hua |
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| Institution: | Affiliated Hospital to Tongji University, Shanghai 200065 China |
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| Abstract: | Objective To study the different influences on the growth of the offsprings of SD rats receiving different low doses of irradiation in the whole pregnant period.Methods To establish SD pregnant rat models receiving different doses of X-ray and observe the impact of irradiation on the growth of the offsprings.Results Low dose rate of 0.015mGy/d and 0.03mGy/d could promote the development of offsprings in a certain extent,the group with dose rate of 0.06mGy/d had little difference.While the group with dose ra... |
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| Keywords: | Low Doses of Radiation Hormesis Response (Exciting Response) Growth |
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