WEKO3
アイテム
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This study wonders whether radiation-induced bystander effect (RIBE) is dependent of LET.\n\nMaterials and methods\nChinese hamster ovary CHO-9 cells and its subline EM-C11 cells (SSB repair deficient) and XR-C1 cells (DSB repair deficient) were irradiated by γ-rays, α-particles, or carbon ions with different LETs of 13, 30 and 70 keV/μm. Cell proliferation, cell death, DNA damage, cell cycle distribution and some protein expressions were measured with the cell counting kit-8 (CCK-8), colony formation, micronuclei (MN), flow cytometry and western blot, respectively.\n\nKey findings\nA series of cell responses were induced by these radiations in a LET-dependent manner, including proliferation inhibition, cell death, MN induction, G2/M phase arrest and the expression of γH2AX protein. These cell injuries were also depended on DNA repair capacity, and XR-C1 cells were the most sensitive to each radiation. 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Both irradiated and bystander effects link with DNA repair capacity and the linear energy transfer
https://repo.qst.go.jp/records/75094
https://repo.qst.go.jp/records/750941b7f84fe-fb1b-415f-bb0d-af461568d83c
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-03-12 | |||||
タイトル | ||||||
タイトル | Both irradiated and bystander effects link with DNA repair capacity and the linear energy transfer | |||||
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 |
Tu, Wenzhi
× Tu, Wenzhi× Dong, Chen× Fu, Jiamei× Pan, Yan× Kobayashi, Alisa× Furusawa, Yoshiya× Konishi, Teruaki× Shao, Chunlin× Kobayashi, Alisa× Furusawa, Yoshiya× Konishi, Teruaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Aims In comparison with a low linear energy transfer (LET) radiation, a high-LET radiation induces more complex DNA damage. This study wonders whether radiation-induced bystander effect (RIBE) is dependent of LET. Materials and methods Chinese hamster ovary CHO-9 cells and its subline EM-C11 cells (SSB repair deficient) and XR-C1 cells (DSB repair deficient) were irradiated by γ-rays, α-particles, or carbon ions with different LETs of 13, 30 and 70 keV/μm. Cell proliferation, cell death, DNA damage, cell cycle distribution and some protein expressions were measured with the cell counting kit-8 (CCK-8), colony formation, micronuclei (MN), flow cytometry and western blot, respectively. Key findings A series of cell responses were induced by these radiations in a LET-dependent manner, including proliferation inhibition, cell death, MN induction, G2/M phase arrest and the expression of γH2AX protein. These cell injuries were also depended on DNA repair capacity, and XR-C1 cells were the most sensitive to each radiation. Furthermore, when the cells were treated with the conditioned medium (CM) collected from irradiated CHO-9 cells, the MN induction and cell death response in the bystander cells of EM-C11 or XR-C1 increased along with LET of irradiation, and the bystander damage was easier to be induced in EM-C11 and XR-C1 cells than that in CHO-9 cells. Significance Both cellular DNA repair capacity and the LET value of radiation could deeply influence damage extents of not only the irradiated cells but also the bystander cells. |
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書誌情報 |
Life Sciences 巻 222, p. 228-234, 発行日 2019-04 |
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出版者 | ||||||
出版者 | Elsevier Inc. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0024-3205 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 30858123 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.lfs.2019.03.013 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/abs/pii/S0024320519301717?via%3Dihub |