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著作: [渡邉 哲平]/[泰江 章博]/[藤原 慎視]/[田中 栄二]/PERIOSTIN regulates MMP-2 expression via the αvβ3 integrin/ERK pathway in human periodontal ligament cells./[Archives of Oral Biology]

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EID
241850
EOID
655308
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LastModified
2012年8月29日(水) 16:35:39
Operator
大家 隆弘
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田中 栄二
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種別 必須 学術論文(審査論文)
言語 必須 英語
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組織 推奨
  1. 口腔顎顔面矯正学(2004年4月1日〜2015年3月31日)
  2. 徳島大学.病院.診療科.矯正歯科(2003年10月1日〜)
  3. 徳島大学.口腔科学教育部.口腔科学専攻.口腔健康科学講座.口腔顎顔面矯正学(2004年4月1日〜)
著者 必須
  1. 渡邉 哲平([徳島大学.口腔科学教育部.口腔科学専攻.口腔健康科学講座.口腔顎顔面矯正学])
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  2. 泰江 章博([徳島大学.病院.診療科.矯正歯科])
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    貢献度 任意
    学籍番号 推奨
  3. 藤原 慎視
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  4. 田中 栄二([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.口腔顎顔面矯正学])
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題名 必須

(英) PERIOSTIN regulates MMP-2 expression via the αvβ3 integrin/ERK pathway in human periodontal ligament cells.

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要約 任意

(英) OBJECTIVE: During orthodontic tooth movement, activation of the vascular system in the compressed periodontal ligament (PDL), which becomes hypoxic, is essential for periodontal tissue remodelling. PERIOSTIN, an extracellular matrix protein, is expressed in PDL and its concentration is increased on the compressive side during orthodontic tooth movement. PERIOSTIN promotes angiogenesis through upregulation of matrix metalloproteinase (MMP)-2, which has been shown to be expressed via αvβ3 integrin/extracellular signal-related kinase (ERK) signalling pathway and vascular endothelial growth factor (VEGF). Therefore, we hypothesized that hypoxia-induced PERIOSTIN promotes MMP-2 expression via αvβ3 integrin/ERK signalling and VEGF in PDL cells. METHODS: Human PDL cells were cultured in condition medium containing desferrioxamine (DFO) to mimic hypoxia. The total RNA, cell lysates or supernatant were collected, and MMP2 and VEGF expression, PERIOSTIN expression and ERK phosphorylation, and MMP-2 activity were analysed by real-time RT-PCR, western blot analysis, and zymography, respectively. A recombinant human PERIOSTIN or PERIOSTIN siRNA was applied to the cells, then the total RNA was extracted to measure MMP-2 and VEGF expression. The cells were treated with αvβ3 integrin-blocking antibody or ERK inhibitor followed by PERIOSTIN stimulation. MMP-2 expression was measured by real-time RT-PCR. RESULTS: PERIOSTIN was upregulated in a time-dependent manner in human PDL cells treated with DFO, a chemical hypoxia mimic. MMP-2 and VEGF expression, and MMP-2 activity were increased by DFO or PERIOSTIN treatment, and decreased by PERIOSTIN silencing. PERIOSTIN treatment also induced ERK phosphorylation, and PERIOSTIN-induced MMP-2 was reduced by αvβ3 integrin-blocking antibody or ERK inhibitor. CONCLUSION: These data suggest that PERIOSTIN upregulates MMP-2 expression via the αvβ3 integrin/ERK signalling pathway and VEGF expression in human PDL cells.

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誌名 必須 Archives of Oral Biology([Elsevier])
(pISSN: 0003-9969, eISSN: 1879-1506)
ISSN 任意 1879-1506
ISSN: 0003-9969 (pISSN: 0003-9969, eISSN: 1879-1506)
Title: Archives of oral biology
Title(ISO): Arch. Oral Biol.
Publisher: Elsevier Ltd.
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
必須 57
必須 1
必須 52 59
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年月日 必須 2011年 8月 30日
URL 任意
DOI 任意 10.1016/j.archoralbio.2011.07.010    (→Scopusで検索)
PMID 任意 21885032    (→Scopusで検索)
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  1. (英) Affiliation: Department of Orthodontics and Dentofacial Orthopedics, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan.

  2. (英) PublicationType: JOURNAL ARTICLE