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Gamma-tocopherol-N,N-dimethylglycine ester as a potent post-irradiation mitigator against whole body X-irradiation-induced bone marrow death in mice
https://repo.qst.go.jp/records/47253
https://repo.qst.go.jp/records/472539bca8c9f-65af-44ba-8243-441207717e16
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-04-09 | |||||
タイトル | ||||||
タイトル | Gamma-tocopherol-N,N-dimethylglycine ester as a potent post-irradiation mitigator against whole body X-irradiation-induced bone marrow death in mice | |||||
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 |
Anzai, Kazunori
× Anzai, Kazunori× Ueno, Megumi× Ken-ichiro, Matsumoto× Ikota, Nobuo× Takata, Jiro× Kazunori, Anzai× Megumi, Ueno× Kenichiro, Matsumoto× Nobuo, Ikota× Jiro, Takata |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We examined the radioprotective and mitigative effects of gamma-tocopherol-N,N-dimethylglycine ester (GTDMG), a novel water-soluble gamma-tocopherol derivative, against X-irradiation-induced bone marrow death in mice. Mice (C3H, 10 weeks, male) were injected intraperitoneally with GTDMG suspended in a 0.5% methyl cellulose solution before or after receiving of 7.5-Gy whole body X-irradiation. GTDMG significantly enhanced the 30-day survival rate when given 30 min before or immediately after the irradiation. Its mitigative activity (administered after exposure) was examined further in detail. The optimal concentration of GTDMG given immediately after irradiation was around 100 mg/kg body weight (bw) and the 30-day survival rate was 97.6 ± 2.4%. When GTDMG was administered 1, 10 and 24 h post-irradiation, the survival rate was 85.7 ± 7.6, 75.0 ± 9.7 and 36.7 ± 8.8%, respectively, showing significant mitigation even at 24 h after irradiation (P < 0.05). The value of the dose reduction factor (100 mg/kg bw, given intraperitoneally (i.p.) immediately after irradiation) was 1.25. GTDMG enhanced the recovery of red blood cell-, white blood cell-, and platelet-counts after irradiation and significantly increased the number of endogenous spleen colonies (P < 0.05). Subcutaneous (s.c.) administration also had mitigative effects. In conclusion, GTDMG is a potent radiation mitigator. | |||||
書誌情報 |
Journal of Radiation Research 巻 55, 号 1, p. 67-74, 発行日 2013-08 |
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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 | 0449-3060 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 23908555 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1093/jrr/rrt094 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1093/jrr/rrt094 |