| ○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) Saito Kan (日) (読)
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| 2. | (英) Fukumoto Emiko (日) (読)
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| 3. | (英) Yamada Aya (日) (読)
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| 4. | (英) Yuasa Kenji (日) (読)
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| 5. | (英) Yoshizaki Keigo (日) (読)
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| 6. | 岩本 勉
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| 7. | (英) Saito Masahiro (日) (読)
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| 8. | (英) Nakamura Takashi (日) (読)
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| 9. | (英) Fukumoto Satoshi (日) (読)
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| ○題名 (必須): | □ | (英) Interaction between fibronectin and 1 integrin is essential for tooth development. (日)
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| ○要約 (任意): | □ | (英) The dental epithelium and extracellular matrix interact to ensure that cell growth and differentiation lead to the formation of teeth of appropriate size and quality. To determine the role of fibronectin in differentiation of the dental epithelium and tooth formation, we analyzed its expression in developing incisors. Fibronectin mRNA was expressed during the presecretory stage in developing dental epithelium, decreased in the secretory and early maturation stages, and then reappeared during the late maturation stage. The binding of dental epithelial cells derived from postnatal day-1 molars to a fibronectin-coated dish was inhibited by the RGD but not RAD peptide, and by a β1 integrin-neutralizing antibody, suggesting that fibronectin-β1 integrin interactions contribute to dental epithelial-cell binding. Because fibronectin and β1 integrin are highly expressed in the dental mesenchyme, it is difficult to determine precisely how their interactions influence dental epithelial differentiation in vivo. Therefore, we analyzed β1 integrin conditional knockout mice (Intβ1lox-/lox-/K14-Cre) and found that they exhibited partial enamel hypoplasia, and delayed eruption of molars and differentiation of ameloblasts, but not of odontoblasts. Furthermore, a cyst-like structure was observed during late ameloblast maturation. Dental epithelial cells from knockout mice did not bind to fibronectin, and induction of ameloblastin expression in these cells by neurotrophic factor-4 was inhibited by treatment with RGD peptide or a fibronectin siRNA, suggesting that the epithelial interaction between fibronectin and β1 integrin is important for ameloblast differentiation and enamel formation. (日)
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| ○キーワード (推奨): |
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| ○誌名 (必須): | □ | PLoS ONE (Public Library of Science)
(eISSN: 1932-6203)
| ○ISSN (任意): | □ | 1932-6203
ISSN: 1932-6203
(eISSN: 1932-6203) Title: PloS oneTitle(ISO): PLoS OnePublisher: PLOS (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 10
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| ○号 (必須): | □ | 4
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| ○頁 (必須): | □ | e0121667 e0121667
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2015年 4月 1日 (平成 27年 4月 1日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1371/journal.pone.0121667 (→Scopusで検索)
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| ○PMID (任意): | □ | 25830530 (→Scopusで検索)
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| ○CRID (任意): |
| ○WOS (任意): | □ | 000352135600078
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| ○Scopus (任意): | □ | 2-s2.0-84926611169
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| ○備考 (任意): | 1. | (英) Article.ELocationID: 10.1371/journal.pone.0121667 (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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| 4. | (英) OtherID: PMC4382024 (日)
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