Effects of Long-term Radiation Exposure on Chromosomal Aberrations in Radiological Technologists
スポンサーリンク
概要
- 論文の詳細を見る
Chromosomal aberrations in the lymphocytes of radiation technologists (RT) were analyzed by the trypsin G-banding method to study the late effects of long-term exposure to low doses of radiation. Structural aberrations were identified in 384 (2.5%) of 15442 cells analyzed from 53 RT as compared to 177 (1.6%) of 11136 cells from 36 healthy controls. Stable aberrations were the most frequent in both groups and were either translocations or deletions. Unstable aberrations were mainly acentric fragments in both groups. The frequency of translocations and acentric fragments was significantly higher in the RT than in the controls and was highest in the RT over 50 years. The highest frequency observed in the >50 age group was attributed to the unknown for cumulative dose prior to introduction of film badges. Frequency of chromosomal aberrations correlated with the estimated dose from the film badges and years of experience of each RT based on the equation y=0.22+0.37D+4.35D^2 , where y is overall frequency of chromosomal aberrations and D is the estimated radiation dose in Sv.
- 日本放射線影響学会の論文
著者
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KUMAGAI Takashi
Department of Environmental Parasitology Tokyo Medical and Dental University Graduate School of Medi
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SAWADA SHOZO
Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima Un
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Tanaka Ryuji
Department of Cardiology, Central Hospital of Japanese National Railways
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ONOMICHI Mitsukazu
Department of Radiology, Kumamoto University School of Medicine
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Onomichi Mitsukazu
Department Of Medical Technology Kumamoto University College Of Medical Science
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Tanaka R
Department Of Internal Medicine Kitakyusyu General Hospital
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Tanaka Ryuji
Department Of Cardiology Central Hospital Of Japanese National Railways
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Sawada S
Hiroshima Prefectural College Of Health And Welfare
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Sawada Shozo
Department Of Applied Physics Chubu Institute Of Technology
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Kumagai T
Jgc Yokohama Jpn
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KUMAGAI ETSUKO
Department of Medical Technology, Kumamoto University College of Medical Science
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Kumagai E
Department Of Medical Technology Kumamoto University College Of Medical Science
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Kumagai Takashi
Department Of Communications And Computer Engineering Graduate School Of Informatics Kyoto Universit
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KUMAGAI Etsuko
Department of Health Science, Kumamoto University School of Medicine
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