| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○カテゴリ (推奨): |
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| ○著者 (必須): | 1. | (英) Hayashi Noriko (日) (読)
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| 2. | 木戸 淳一
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| 3. | (英) Suryono (日) (読)
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| 4. | (英) Kido Reiko (日) (読)
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| 5. | 美原(和田) 智恵 ([徳島大学.病院.中央診療施設等.総合歯科診療部])
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| 6. | 片岡 正俊
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| 7. | 篠原 康雄 ([徳島大学.先端酵素学研究所.基幹研究部門])
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| 8. | 永田 俊彦
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| ○題名 (必須): | □ | (英) Regulation of Calprotectin Expression by IL-1α and TGF-β in Human Gingival Keratinocytes (日)
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| ○要約 (任意): | □ | (英) Calprotectin, a heterodimer of S100A8 and S100A9 with antimicrobial properties, is expressed in gingival keratinocytes and plays an important role in innate immunity. Because calprotectin expression is localized in the spinous cell layer of the gingival epithelium, we hypothesized that the expression of calprotectin in keratinocytes is related to the differentiation stage. The aim of the present study was to investigate the relationship between calprotectin expression and keratinocyte differentiation using some factors that regulated its differentiation. Normal human gingival keratinocytes were isolated from gingival tissues obtained at the extraction of wisdom teeth, and were cultured in serum-free keratinocyte medium supplemented with interleukin-1alpha or calcium, which promote keratinocyte differentiation, and transforming frowth factor-beta (TGF-beta) or retinoic acid, which suppress its differentiation. The expression of S100A8/A9 mRNA and the production of calprotectin in normal human gingival keratinocytes were examined by northern blotting and enzyme-linked immunosorbent assay, respectively. The expression of cytokeratin 14, involucrin and filaggrin (marker proteins of keratinocyte differentiation) was investigated by immunohistochemical staining, and the DNA-binding activity of CCAAT/enhancer binding protein alpha (C/EBPalpha), a transcription factor, was examined by electrophoretic mobility shift assay. The expression of S100A8/A9 mRNA and the production of calprotectin were increased by interleukin-1alpha and calcium, but decreased by TGF-beta. RA inhibited the expression of S100A8/A9 and keratinocyte differentiation, which were induced by interleukin-1alpha. C/EBPalpha DNA-binding activity in normal human gingival keratinocytes was enhanced by interleukin-1alpha and calcium, but suppressed by TGF-beta. The present study suggests that calprotectin expression is related to keratinocyte differentiation and that C/EBPalpha is a regulator of calprotectin expression in keratinocytes. (日)
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| ○キーワード (推奨): | 1. | (英) calprotectin (日) (読)
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| 2. | (英) gingival keratinocyte (日) (読)
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| 3. | (英) differentiation (日) (読)
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| 4. | (英) C/EBPα (日) (読)
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| ○発行所 (推奨): | □ | (英) BLACKWELL MUNKSGAARD (日) (読)
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| ○誌名 (必須): | □ | Journal of Periodontal Research ([Blackwell Publishing Ltd])
(pISSN: 0022-3484, eISSN: 1600-0765)
| ○ISSN (任意): | □ | 0022-3484
ISSN: 0022-3484
(pISSN: 0022-3484, eISSN: 1600-0765) Title: Journal of periodontal researchTitle(ISO): J Periodontal ResPublisher: Blackwell (NLM Catalog)
(Wiley)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 42
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| ○号 (必須): | □ | 1
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| ○頁 (必須): | □ | 1 7
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2007年 2月 22日 (平成 19年 2月 22日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1111/j.1600-0765.2005.00857.x (→Scopusで検索)
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| ○PMID (任意): | □ | 17214633 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.Affiliation: Department of Periodontology and Endodontology, Oral and Maxillofacial Dentistry, Division of Medico-Dental Dynamics and Reconstruction, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan. (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't (日)
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