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Drinking Beer Reduces Radiation-induced Chromosome Aberrations in Human Lymphocytes
https://repo.qst.go.jp/records/43334
https://repo.qst.go.jp/records/433347c479c01-eee5-4412-ac99-9d2d33b3d69d
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2004-01-25 | |||||
タイトル | ||||||
タイトル | Drinking Beer Reduces Radiation-induced Chromosome Aberrations in Human Lymphocytes | |||||
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 |
Monobe, Manami
× Monobe, Manami× Ando, Koichi× 物部 真奈美× 安藤 興一 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We here investigated and reported the effects of beer drinking on radiation-induced chromosome aberrations in blood lymphocytes. Human blood that was collected either before or after drinking a 700 ml beer was in vitro irradiated with 200 kVp X rays or 50 keV/micro carbon ions. The relation between the radiation dose and the aberration frequencies (fragments and dicentrics) was significantly (p < 0.05) lower for lymphocytes collected 3 h after beer drinking than those before drinking. Fitting the dose response to a linear quadratic model showed that the alpha term of carbon ions was significantly (p < 0.05) decreased by beer drinking. A decrease of dicentric formation was detected as early as 0.5 h after beer drinking, and lasted not shorter than 4.5 h. The mitotic index of lymphocytes was higher after beer drinking than before, indicating that a division delay would not be responsible for the low aberrations induced by beer drinking. An in vitro treatment of normal lymphocytes with 0.1 M ethanol, which corresponded to a concentration of 6-times higher than the maximum ethanol concentration in the blood after beer drinking, reduced the dicentric formation caused by X-ray irradiation, but not by carbon-ion irradiation. The beer-induced reduction of dicentric formation was not affected by serum. It is concluded that beer could contain non-ethanol elements that reduce the chromosome damage of lymphocytes induced by high-LET radiation. | |||||
書誌情報 |
Journal of Radiation Research 巻 43, p. 237-245, 発行日 2002-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0449-3060 |