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The Protective Effect of Interleukin-11 on the Cell Death Induced by X-ray Irradiation in Cultured Intestinal Epithelial Cell
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- UEMURA Takashi
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- NAKAYAMA Toshiyuki
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- KUSABA Takafumi
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- YAKATA Yuichi
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- YAMAZUMI Kazuyuki
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- MATSUU-MATSUYAMA Mutsumi
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- SHICHIJO Kazuko
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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- SEKINE Ichiro
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences
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Description
Interleukin-11 (IL-11) is a well known anti-inflammatory cytokine that is associated with cell growth, and also participates in limiting X-ray irradiation induced intestinal mucosal injury. The aim of this study was to evaluate the protective effect of IL-11 on the cell injury induced by X-ray irradiation in rat intestinal epithelial IEC-18 cells. Recombinant human IL-11 (rhIL-11) treated cells were irradiated and then examined for cell viability. To evaluate irradiation injury, trypan blue staining was used to detect the dead cells. The viability of irradiated cells was up-regulated by rhIL-11 treatment and also resulted in the activation of p90 ribosomal S6 kinase (p90RSK) and S6 ribosomal protein (S6Rp). Wortmannin, a specific inhibitor of PI3K, suppressed the activation of S6Rp in rhIL-11 treated cells, and decreased the up-regulation of viability by rhIL-11 treatment in irradiated cells. The TUNEL assay was also perfomed to estimate the rate of apoptosis in X-ray induced cell death. There was no difference in the results between trypan blue staining and the TUNEL assay. Further, rhIL-11 down-regulated the expression of cleaved caspase-3 in irradiated cells. These results suggest that rhIL-11 may play an important role in protection from radiation injury.<br>
Journal
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- Journal of Radiation Research
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Journal of Radiation Research 48 (2), 171-177, 2007
Journal of Radiation Research Editorial Committee
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Details 詳細情報について
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- CRID
- 1390282680194727680
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- NII Article ID
- 110006241805
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- NII Book ID
- AA00705792
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- COI
- 1:STN:280:DC%2BD2s7ovFGmsQ%3D%3D
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- ISSN
- 13499157
- 04493060
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- HANDLE
- 10069/19138
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- NDL BIB ID
- 8691333
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- PubMed
- 17380044
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- Web Site
- https://nagasaki-u.repo.nii.ac.jp/records/18131
- http://id.ndl.go.jp/bib/8691333
- https://ndlsearch.ndl.go.jp/books/R000000004-I8691333
- http://academic.oup.com/jrr/article-pdf/48/2/171/3582516/jrr-48-171.pdf
- http://dl.ndl.go.jp/info:ndljp/pid/10918906
- https://search.jamas.or.jp/link/ui/2007220911
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- IRDB
- NDL Search
- Crossref
- NDL Digital Collections (NII-ELS)
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed