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The radiobiological effects of He, C and Ne ions as a function of LET on various glioblastoma cell lines
https://repo.qst.go.jp/records/76668
https://repo.qst.go.jp/records/76668c1af4766-34a7-42da-9577-678fba730caa
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-09-05 | |||||
タイトル | ||||||
タイトル | The radiobiological effects of He, C and Ne ions as a function of LET on various glioblastoma cell lines | |||||
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 |
Tsuey Chew, Ming
× Tsuey Chew, Ming× David A., Bradley× Suzuki, Masao× Matsufuji, Naruhiro× Murakami, Takeshi× Bleddyn, Jones× Andrew, Nisbet× Tsuey Chew, Ming× Suzuki, Masao× Matsufuji, Naruhiro× Murakami, Takeshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effects of the charged ion species 4He, 12C and 20Ne on glioblastoma multiforme (GBM) T98G, U87 and LN18 cell lines were compared with the effects of 200 kVp X-rays (1.7 keV/μm). These cell lines have different genetic profiles. Individual GBM relative biological effectiveness (RBE) was estimated in two ways: the RBE10 at 10% survival fraction and the RBE2 Gy after 2 Gy doses. The linear quadratic model radiosensitivity parameters α and β and the α/β ratio of each ion type were determined as a function of LET. Mono-energetic 4 He, 12C and 20Ne ions were generated by the Heavy Ion Medical Accelerator at the National Institute of Radiological Sciences in Chiba, Japan. Colony-formation assays were used to evaluate the survival fractions. The LET of the various ions used ranged from 2.3 to 100 keV/μm (covering the depth–dose plateau region to clinically relevant LET at the Bragg peak). For U87 and LN18, the RBE10 increased with LET and peaked at 85 keV/μm, whereas T98G peaked at 100 keV/μm. All three GBM α parameters peaked at 100 keV/μm. There is a statistically significant difference between the three GBM RBE10 values, except at 100 keV/μm (P < 0.01), and a statistically significant difference between the α values of the GBM cell lines, except at 85 and 100 keV/μm. The biological response varied depending on the GBM cell lines and on the ions used. |
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書誌情報 |
Journal of Radiation Research 巻 60, 号 2, p. 178-188, 発行日 2019-03 |
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出版者 | ||||||
出版者 | Oxford University Press | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-9157 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1093/jrr/rry099 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://academic.oup.com/jrr/article/60/2/178/5280421 |