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著作: [片岡 正俊]/SHIMIZU YASUKI/KUNIKIYO KENJI/ASAHARA YOJI/[山下 菊治]/[二宮 雅美]/Morisaki Ichijiro/Ohsaki Yasuyoshi/[木戸 淳一]/[永田 俊彦]/Cyclosporin A Decreases the Degradation of Type I Collagen in Rat Gingival Overgrowth/[Journal of Cellular Physiology]

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EID
70750
EOID
1028840
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LastModified
2022年2月14日(月) 11:55:20
Operator
三木 ちひろ
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Owner
二宮 雅美
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種別 必須 学術論文(審査論文)
言語 必須 英語
招待 推奨
審査 推奨
カテゴリ 推奨
共著種別 推奨
学究種別 推奨
組織 推奨
著者 必須
  1. 片岡 正俊
    役割 任意
    貢献度 任意
    学籍番号 推奨
  2. (英) SHIMIZU YASUKI
    役割 任意
    貢献度 任意
    学籍番号 推奨
  3. (英) KUNIKIYO KENJI
    役割 任意
    貢献度 任意
    学籍番号 推奨
  4. (英) ASAHARA YOJI
    役割 任意
    貢献度 任意
    学籍番号 推奨
  5. 山下 菊治
    役割 任意
    貢献度 任意
    学籍番号 推奨
  6. 二宮 雅美([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.臨床歯学系.歯周歯内治療学])
    役割 任意
    貢献度 任意
    学籍番号 推奨
  7. (英) Morisaki Ichijiro
    役割 任意
    貢献度 任意
    学籍番号 推奨
  8. (英) Ohsaki Yasuyoshi
    役割 任意
    貢献度 任意
    学籍番号 推奨
  9. 木戸 淳一
    役割 任意
    貢献度 任意
    学籍番号 推奨
  10. 永田 俊彦
    役割 任意
    貢献度 任意
    学籍番号 推奨
題名 必須

(英) Cyclosporin A Decreases the Degradation of Type I Collagen in Rat Gingival Overgrowth

副題 任意
要約 任意

(英) Cyclosporin A (CsA) is used as an immunosuppressive agent and its prominent side effect is the induction of fibrous gingival overgrowth. The purpose of this study was to investigate the effect of CsA on the type I collagen metabolism in the gingiva of rats fed a powdered diet either containing or lacking CsA. Immunohistochemical analysis revealed that type I collagen was more prevalent in the connective tissue of CsA-treated gingiva than in those of control rats on days 15, 30, and 55 after the start of feeding. Total RNAs were isolated from mandibular molar gingiva on days 0, 3, 8, 15, 30, and 55. Quantitative analysis of mRNA by reverse transcriptase-polymerase chain reaction revealed that the CsA-treated groups showed a gradual decrease in expression of type I collagen and collagenase mRNAs, 0.4% and 18.0% on day 55 compared with those on day 0, respectively. In the control groups, type I collagen and collagenase mRNAs also decreased to 19.7% and 63.0%, respectively, however, both mRNA expressions were significantly lower in the CsA-treated group than in the controls. An electron microscopic analysis of fibroblasts was performed to count the number of cells with collagen fibrils in the cytoplasm, a marker of phagocytosis of collagen by fibroblasts. The collagen fibrils were detected in 4.7% +/- 2.7% and 24.3% +/- 13.7% of fibroblasts in the overgrown gingiva treated with CsA rat for 8 days and 30 days, but in 57.0% +/- 5.3% and 81.3% +/- 9.2% of fibroblasts in the each control group gingiva, respectively. Furthermore, in vitro analysis was performed to measure the phagocytosis of cultured fibroblasts by flow cytometry using collagen-coated latex beads. Fibroblasts isolated from CsA-treated gingiva on day 8 and day 30 contained 5.7% +/- 0.6% and 9.9% +/- 1.5% phagocytic cells, whereas control fibroblasts contained 50.3% +/- 5.5% and 33.3% +/- 4.9% phagocytic cells, respectively. The inhibition rate of phagocytic activity was similar between in vivo and in vitro assays. These findings suggest that the decrease of the collagen degradation due to the lower phagocytosis and the lower collagenase mRNA expression are closely associated with the increase of type I collagen accumulation in CsA-treated rat gingiva.

キーワード 推奨
  1. (英) Animals
  2. (英) Cell Division
  3. (英) Cells, Cultured
  4. (英) Collagen
  5. (英) Collagenases
  6. (英) Cyclosporine
  7. (英) Fibroblasts
  8. (英) Gene Expression
  9. (英) Gingiva
  10. (英) Gingival Overgrowth
  11. (英) Immunosuppressive Agents
  12. (英) Latex
  13. 男性(male)
  14. (英) Microscopy, Electron
  15. (英) Microspheres
  16. (英) Phagocytosis
  17. (英) RNA, Messenger
  18. (英) Rats
  19. (英) Rats, Inbred F344
  20. (英) Reverse Transcriptase Polymerase Chain Reaction
  21. (英) Specific Pathogen-Free Organisms
発行所 推奨 Wiley-Liss, Inc.
誌名 必須 Journal of Cellular Physiology([Wiley-Liss, Inc.])
(pISSN: 0021-9541, eISSN: 1097-4652)
ISSN 任意 0021-9541
ISSN: 0021-9541 (pISSN: 0021-9541, eISSN: 1097-4652)
Title: Journal of cellular physiology
Title(ISO): J Cell Physiol
Publisher: Wiley
 (NLM Catalog  (Wiley  (Scopus  (CrossRef (Scopus information is found. [need login])
必須 182
必須 3
必須 351 358
都市 任意
年月日 必須 2000年 9月 20日
URL 任意 http://www3.interscience.wiley.com/cgi-bin/abstract/69501962/ABSTRACT
DOI 任意 10.1002/(SICI)1097-4652(200003)182:3<351::AID-JCP5>3.0.CO;2-U    (→Scopusで検索)
PMID 任意 10653601    (→Scopusで検索)
CRID 任意
WOS 任意
Scopus 任意 2-s2.0-0033957168
評価値 任意
被引用数 任意
指導教員 推奨
備考 任意
  1. (英) Article.PublicationTypeList.PublicationType: Journal Article

  2. (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't