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Monoenergetic 290 MeV/n carbon-ion beam biological lethal dose distribution surrounding the Bragg peak
https://repo.qst.go.jp/records/76413
https://repo.qst.go.jp/records/7641307e2949e-38c9-489e-98e2-6c31be4058e4
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-08-05 | |||||
タイトル | ||||||
タイトル | Monoenergetic 290 MeV/n carbon-ion beam biological lethal dose distribution surrounding the Bragg peak | |||||
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 |
J Buglewicz, Dylan
× J Buglewicz, Dylan× B Banks, Austin× Hirakawa, Hirokazu× Fujimori, Akira× A Kato, Takamitsu× Buglewicz, Dylan× Banks, Austin× Hirakawa, Hirokazu× Fujimori, Akira× Kato, Takamitsu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The sharp high dose Bragg peak of a carbon-ion beam helps it to deliver the highest dosage to the malignant cells while leaving the normal cells relatively unharmed. However, the precise range in which it distributes dosages that significantly induce cell death or genotoxicity surrounding its Bragg peak remains unclear. To evaluate biological effects of carbon-ion radiation through entrance to post Bragg peak in a single biological system, CHO and xrs5 cells were cultured in T-175 cell culture flasks and irradiated with 290 MeV/n monoenergetic carbon-ions with initial dosages upon entrance to the flask of 1, 2, or 3 Gy for cell survival assays or 1 Gy for cytokinesis block micronuclei assays. Under all initial dosages, the biological Bragg peak and the highest micronuclei formation was observed at the depth of 14.5 cm. Moreover, as the initial dosage increased the range displaying a significant decrease in survival fraction increased as well (P < 0.0001). Intriguingly from 1 Gy to 3 Gy, we observed a significant increase in reappearance of colony formation depth (P < 0.05), possibly indicating the nuclear fragmentation lethality potential of the carbon-ion. By means of our single system approach, we can achieve a more comprehensive understanding of biological effects surrounding of carbon-ions Bragg peak. | |||||
書誌情報 |
Scientific reports 巻 9, 号 1, p. 6157, 発行日 2019-04 |
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出版者 | ||||||
出版者 | Nature | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 30992482 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/s41598-019-42600-4 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41598-019-42600-4 |