Expression and Radiation-induced Phosphorylation of Histone H2AX inMammalian Cells
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概要
- 論文の詳細を見る
The mouse histone H2AX (H2AX) has unique C-terminal Ser residues, which are phosphorylated in response to DNA double-strand breaks (DSBs) by ionizing radiation, suggesting that it plays a role in the maintenance of genomic stability. Here, we show that the H2AX protein was detected in most cells in various tissues, and was abundant in the S phase of the cell cycle. Following X-ray irradiation, H2AX was phosphorylated (γ-H2AX) in the thymus, small intestine and testis. However, H2AX in epithelial cells in the villi of the small intestine were not strongly phospherylated, even after X-irradiation. Thus, H2AX was expressed in almost all cells. However, the cells that expressed H2AX were not always phosphorylated by X-irradiation, suggesting a different mechanism of kination in those cells.
- 日本放射線影響学会の論文
著者
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吉田 佳世
Department Of Molecular Genetics Graduate School Of Medicine Osaka City University
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MORITA Takashi
Department of Biochemistry, Meiji Pharmaceutical University
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Yoshida Kayo
Department of Gastroenterological Surgery, Osaka City General Hospital
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Yoshida Kayo
Department Of Gastroenterological Surgery Osaka City General Hospital
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YOSHIDA SHU-HEI
Department of Biology, Graduate School of Science, Osaka City University
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SHIMODA CHIKASHI
Department of Biology, Graduate School of Science, Osaka City University
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Morita Takashi
Osaka City Univ. Osaka Jpn
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Shimoda Chikashi
Department Of Biology Graduate School Of Science Osaka City University
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Shimoda Chikashi
Department Of Biology Faculty Of Science Osaka City University
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Yoshida Shu-hei
Department Of Biology Graduate School Of Science Osaka City University
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Morita Takashi
Department Of Biochemistry Meiji College Of Pharmacy
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Yoshida Kayo
Department of Agricultural Chemistry, Tamagawa University
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