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Mutagenic adaptive response to high-LET radiation in human lymphoblastoid cells exposed to X-rays
https://repo.qst.go.jp/records/45988
https://repo.qst.go.jp/records/45988a59055e6-6b5f-4e81-a5d4-fd67af0d33f8
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-01-26 | |||||
タイトル | ||||||
タイトル | Mutagenic adaptive response to high-LET radiation in human lymphoblastoid cells exposed to X-rays | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Vares, Guillaume
× Vares, Guillaume× Bing, Wang× Tanaka, Kaoru× KAKIMOTO, AYANA× Kiyomi, Eguchi-Kasai× Nenoi, Mitsuru× Guillaume Vares× 王 冰× 田中 薫× 柿本 彩七× 笠井 清美× 根井 充 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The ability of cells to adapt low-dose or low-dose rate radiation is well known. High-LET radiation has unique characteristics, and the data concerning low doses effects and high-LET radiation remain fragmented. In this study, we assessed in vitro the ability of low doses of X-rays to induce an adaptive response (AR) to a subsequent challenging dose of heavy-ion radiation. Lymphoblastoid cells (TK6, AHH-1, NH32) were exposed to priming 0.02-0.1Gy X-rays, followed 6h later by challenging 1Gy heavy-ion radiation (carbon-ion: 20 and 40keV/mum, neon-ion: 150keV/mum). Pre-exposure of p53-competent cells resulted in decreased mutation frequencies at hypoxanthine-guanine phosphoribosyl transferase locus and different H2AX phosphorylation kinetics, as compared to cells exposed to challenging radiation alone. This phenomenon did not seem to be linked with cell cycle effects or radiation-induced apoptosis. Taken together, our results suggested the existence of an AR to mutagenic effects of heavy-ion radiation in lymphoblastoid cells and the involvement of double-strand break repair mechanisms. | |||||
書誌情報 |
Fundamental and Molecular Mechanisms of Mutagenesis : A Section of Mutation Research 巻 706, 号 1-2, p. 46-52, 発行日 2010-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0027-5107 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | doi:10.1016/j.mrfmmm.2010.10.009 | |||||
関連名称 | doi:10.1016/j.mrfmmm.2010.10.009 |