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Tissue-specific DNA-PK-dependent H2AX phosphorylation and gamma-H2AX elimination after X-irradiation in vivo
https://repo.qst.go.jp/records/45283
https://repo.qst.go.jp/records/45283c4cdb3fe-bd8c-4e15-88e4-2d9a7ec6d26b
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-10-08 | |||||
タイトル | ||||||
タイトル | Tissue-specific DNA-PK-dependent H2AX phosphorylation and gamma-H2AX elimination after X-irradiation in vivo | |||||
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 |
Koike, Manabu
× Koike, Manabu× Sugasawa, Jun× Yasuda, Mariko× Koike, Aki× 小池 学× 菅澤 純× 安田 万里子× 小池 亜紀 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Histone H2AX rapidly undergoes phosphorylation at Ser139 (gamma-H2AX) in response to DNA double-strand breaks. Although ATM kinase and DNA-PK phosphorylate Ser139 of H2AX in culture cells, the regulatory mechanism of gamma-H2AX level remains unclear in vivo. Here, we detected the phosphorylation of H2AX and the elimination of gamma-H2AX in the mouse skin after X-irradiation. Furthermore, following X-irradiation, the level of gamma-H2AX also increased in mice lacking either ATM or DNA-PK. Although the elimination after Xirradiation was detected in the skin of these mutant mice, the elimination in DNA-PK-deficient mice was slower than that in C3H and ATM knockout mice, suggesting that a fraction of gamma-H2AX in the skin is eliminated in a DNA-PK-dependent manner. Although the DNA-PK-dependent elimination of gamma-H2AX was also detected in the liver, kidney, and spleen, the DNA-PK-dependent phosphorylation of H2AX was detected in the spleen only. These results suggest that the regulatory mechanism of gamma-H2AX level is tissue- specific. | |||||
書誌情報 |
Biochemical and Biophysical Research Communications 巻 376, 号 1, p. 52-55, 発行日 2008-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0006-291X |