| 低剂量电离辐射效应 |
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| 引用本文： | 孙志增,周平坤. 低剂量电离辐射效应[J]. 国际放射医学核医学杂志, 2004, 28(2): 82-85 |
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| 作者姓名： | 孙志增 周平坤 |
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| 作者单位： | 100850 北京, 军事医学科学院放射医学研究所 |
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| 摘 要： | 在低剂量区域,电离辐射能够诱导一些大剂量实验中预测不到或传统放射生物学理论不能解释的效应,主要表现在三个方面①数cGy剂量诱导发生的适应性反应(adaptive rsponse,AR);②低剂量辐射超敏性(hyperradiosensitivity,HRS),其剂量通常为0.2~0.5Gy;③在临近的未受照细胞中诱导产生的旁效应(bystander effect, BE)。
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| 关 键 词： | 辐射超敏性 增加的辐射耐受性 适应性反应 旁效应 |
| 文章编号： | 1001-098X(2004)02-0082-04 |
| 收稿时间： | 2004-01-04 |
| 修稿时间： | 2004-01-04 |
Adverse effects of low dose ionizing radiation |
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| SUN Zhi,zeng,ZHOU Ping,kun. Adverse effects of low dose ionizing radiation[J]. International Journal of Radiation Medicine and Nuclear Medicine, 2004, 28(2): 82-85 |
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| Authors: | SUN Zhi zeng ZHOU Ping kun |
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| Affiliation: | Beijing Institute of Radiation Medicine, Beijing 100850, China |
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| Abstract: | In low dose region, adverse effects could be induced by ionizing radiation. These ef,fects are unpredictable from high,dose experiments or inexplicable with available radiobiological theories. There are mainly three aspects for these. First, adaptive response (AR)induced by several cGy irradiation. Second, low,dose hyperradiosensitivity (HRS). The dose is generally between 0.2,0.5Gy. Third, bystander effect (BE) induced in unirradiated neighboring cells. |
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| Keywords: | hyperradiosensitivity induced radioresistance adaptive response bystander effect |
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