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首页> 外文期刊>Environmental Science & Technology >Chromosomal Aberrations in Wild Mice Captured in Areas Differentially Contaminated by the Fukushima Dai-lchi Nuclear Power Plant Accident
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Chromosomal Aberrations in Wild Mice Captured in Areas Differentially Contaminated by the Fukushima Dai-lchi Nuclear Power Plant Accident

机译：在福岛第一核电站事故造成不同污染的地区捕获的野生小鼠中的染色体畸变

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摘要

Following the Fukushima Dai-ichi Nuclear Power Plant accident, radiation effects on nonhuman biota in the contaminated areas have been a great concern. The induction of chromosomal aberrations in splenic lymphocytes of small Japanese field mice (Apodemus argenteus) and house mice (Mus musculus) inhabiting Fukushima Prefecture was investigated. In mice inhabiting the slightly contaminated area, the average frequency of dicentric chromosomes was similar to that seen in mice inhabiting a noncontaminated control area. In contrast, mice inhabiting the moderately and heavily contaminated areas showed a significant increase in the average frequencies of dicentric chromosomes. Total absorbed dose rate was estimated to be approximately 1 mGy d~(-1) and 3 mGy d~(-1) in the moderately and heavily contaminated areas, respectively. Chromosomal aberrations tended to roughly increase with dose rate. Although theoretically, the frequency of chromosomal aberrations was considered proportional to the absorbed dose, chromosomal aberrations in old mice (estimated median age 300 days) did not increase with radiation dose at the same rate as that observed in young mice (estimated median age 105 days).
机译：福岛第一核电站事故发生后，受污染地区的辐射对非人类生物群系的影响备受关注。研究了居住在福岛县的日本小田鼠（Apodemus argenteus）和家鼠（Mus musculus）脾脏淋巴细胞中染色体畸变的诱导。在居住于轻度污染区域的小鼠中，双着丝粒染色体的平均频率与在居住于非污染性对照区域的小鼠中所见的频率相似。相反，居住在中度和重度污染区的小鼠显示出双着丝粒染色体的平均频率显着增加。在中度和重度污染地区，总吸收剂量率估计分别约为1 mGy d〜（-1）和3 mGy d〜（-1）。染色体畸变倾向于随剂量率而大致增加。尽管从理论上讲，染色体畸变的频率被认为与吸收剂量成正比，但是辐射剂量的老年小鼠（估计中值年龄为300天）中的染色体畸变并未以与年轻小鼠（估计中值年龄为105天）相同的速率随辐射剂量增加）。

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  • 来源
    《Environmental Science & Technology》 |2015年第16期|10074-10083|共10页
  • 作者

    Yoshihisa Kubota; Hideo Tsuji; Taiki Kawagoshi; Naoko Shiomi; Hiroyuki Takahashi; Yoshito Watanabe; Shoichi Fuma; Kazutaka Doi; Isao Kawaguchi; Masanari Aoki; Masahide Kubota; Yoshiaki Furuhata; Yusaku Shigemura; Masahiko Mizoguchi; Fumio Yamada; Morihiko Tomozawa; Shinsuke H. Sakamoto; Satoshi Yoshida;

  • 作者单位

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Administration and Planning Unit, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Tokyo Nuclear Services Co., Ltd. 1-3-5 Taito, Taito-ku, Tokyo 110-0016, Japan;

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Project for Investigation of Human Health Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

    Japan Wildlife Research Center, 3-3-7 Koutoubashi, Sumida-ku, Tokyo 130-8606, Japan;

    Japan Wildlife Research Center, 3-3-7 Koutoubashi, Sumida-ku, Tokyo 130-8606, Japan;

    Japan Wildlife Research Center, 3-3-7 Koutoubashi, Sumida-ku, Tokyo 130-8606, Japan;

    Japan NUS Co., Ltd., 7-5-25 Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan;

    Japan NUS Co., Ltd., 7-5-25 Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan;

    Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan;

    Department of Biology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8521, Japan;

    Faculty of Agriculture, University of Miyazaki, Kibana, Miyazaki 889-2192, Japan;

    Project for Environmental Dynamics and Radiation Effects, Fukushima Project Headquarters, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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