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Radiosensitization by inhibition of homologous recombination repair combined with high LET heavy ion irradiation
https://repo.qst.go.jp/records/70891
https://repo.qst.go.jp/records/7089170d8b022-02f3-4cd3-b204-604336878a2a
| Item type | 会議発表用資料 / Presentation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2012-09-12 | |||||
| タイトル | ||||||
| タイトル | Radiosensitization by inhibition of homologous recombination repair combined with high LET heavy ion irradiation | |||||
| 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_c94f | |||||
| 資源タイプ | conference object | |||||
| 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 |
Hirakawa, Hirokazu
× Hirakawa, Hirokazu× Hirayama, Ryoichi× Fujimori, Akira× Okayasu, Ryuichi× et.al× 平川 博一× 平山 亮一× 藤森 亮× 岡安 隆一 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | 17AAG, an Hsp90 inhibitor was shown to radiosensitize certain human tumor cells exposed to X-rays, while this sensitization was not clearly observed in normal human cells. The mechanism of this was suggested to come from inhibition of DNA double strand break (DSB) repair, particularly impairment of homologous recombination repair (HRR) pathway by this drug (Noguchi et al 2006). We also used mouse xenograft model to examine the combined effect of 17AAG and high LET carbon irradiation. For this purpose, SQ5 human lung tumor cells were implanted on the leg of nude mice and the tumor growth was observed in the combined treatment as compared with radiation or drug treatment alone. Our preliminary results indicate that tumor growth was more inhibited in the 17AAG and carbon irradiation than carbon or 17AAG treatment alone. These data suggest that an effective tumor control might be obtained by combining an HRR inhibitor with high LET carbon irradiation. | |||||
| 会議概要（会議名, 開催地, 会期, 主催者等） | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 日本放射線影響学会第55回大会 | |||||
| 発表年月日 | ||||||
| 日付 | 2012-09-08 | |||||
| 日付タイプ | Issued | |||||
