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2009 Fiscal Year Self-evaluation Report

A Comprehensive Analyses of Pathophysiological Significance of Cytosine Methylation in non-CpG-island

Research Project

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Project/Area Number 19390100
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Human pathology
Research InstitutionKobe University

Principal Investigator

KITAZAWA Sohei  Kobe University, 大学院・医学研究科, 特命教授 (90186239)

Project Period (FY) 2007 – 2010
Keywordsエピジェネティクス / CpG-island / DNAメチル化
Research Abstract

CpG-islandは、種々の遺伝子の転写調節領域に存在し、生理的な状態ではメチル化を受けることは少ない。このCpG-island領域のメチル化は、遺伝子発現を抑制的に制御し、発がんや癌の進展過程で癌抑制遺伝子の不活化に関与している。私どもは、これまでその病態生理における意義が殆ど知られていない非CpG-islandのシトシンメチル化に注目し、この非CpG-island領域のメチル化、脱メチル化よる転写制御について病理組織学的観察、つまり、形態学に即したエピジェネティクスの病的意義につき検討することを目的として計画を行った。特に、顕微鏡的に認識される「特定の形態的変化を示す病変部分」における遺伝子発現制御の解析を、遺伝子プロモータ領域の非定型的なメチル化シトシンの解析を中心に行うことを目標として、病理組織標本上でmRNAや蛋白発現の評価をするとともに、形態学的特徴に基づいて特定部位から微小組織を選択的に採取して、対象遺伝子に関するメチル化シトシンの検出を行う。

  • Research Products

    (10 results)

All 2009 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (1 results) Book (1 results)

  • [Journal Article] BAMBI gene is epigenetically silenced in a subset of high-grade bladder cancer2009

    • Author(s)
      Sann Sanda Khin, Kitazawa R, Win N, Than TA, Mori K, Kondo T, Kitazawa S
    • Journal Title

      Int J Cancer 125

      Pages: 328-338

    • Peer Reviewed
  • [Journal Article] Dexamethasone Promotes Osteoclastogenesis by Inhibiting Osteoprotegerin through Multiple Levels2008

    • Author(s)
      Kondo T, Kitazawa R, Yamaguchi A, Kitazawa S
    • Journal Title

      J Cell Biochem 103

      Pages: 335-345

    • Peer Reviewed
  • [Journal Article] FSP27 Contributes to Efficient Energy Storage in Murine White Adipocytes by Promoting the Formation of Unilocular Lipid Droplets2008

    • Author(s)
      Nishino N, Tamori Y, Tateya S, Kawaguchi T, Shibakusa T, Mizunoya W, Inoue K, Kitazawa R, Kitazawa S, Matsuki Y, Hiramatsu R, Masubuchi S, Omachi A, Kimura K, Saito M, Amo T, Ohta S, Yamaguchi T, Osumi T, Cheng J, Fujimoto T, Nakao H, Nakao K, Aiba A, Okamura H, Fushiki T, Kasuga M
    • Journal Title

      J Clin Invest 118

      Pages: 2808-2821

    • Peer Reviewed
  • [Journal Article] Hepatic failure and enhanced oxidative stress in mitochondrial diabetes2008

    • Author(s)
      Takahashi Y, Iida K, Takeno R, Kitazawa R, Kitazawa S, Kitamura H, Fujioka Y, Yamada H, Kanda F, Ohta S, Nishimaki K, Fujimoto M, Kondo T, Iguchi G, Takahashi K, Kaji H, Okimura Y, Chihara K
    • Journal Title

      Endocr J 55

      Pages: 509-514

    • Peer Reviewed
  • [Journal Article] MeCP2 Expression and Promoter Methylation of Cyclin D1 Gene are Associated with Cyclin D1 Expression in Developing Rat Epididymal Duct2008

    • Author(s)
      Darwanto A, Kitazawa R, Kondo T, Kitazawa S
    • Journal Title

      Acta Histochem Cytochem 41

      Pages: 135-142

    • Peer Reviewed
  • [Journal Article] Lipopolysaccharide Suppresses RANK Gene Expression in Macrophages by Down-Regulating PU. 1 and MITF2008

    • Author(s)
      Ishii J, Kitazawa R, Mori K, McHugh K. P., Morii E, Kondo T, Kitazawa S
    • Journal Title

      J Cellular Biochem 105

      Pages: 896-904

    • Peer Reviewed
  • [Journal Article] Hypermethylation of Epithelial-cadherin Gene Promoter is Associated with Epstein-Barr Virus in Nasopharyngeal Carcinoma2008

    • Author(s)
      Niemhom S, Kitazawa S, Kitazawa R, Maeda S, Leopairat J
    • Journal Title

      Cancer Detect Prev 32

      Pages: 127-134

    • Peer Reviewed
  • [Journal Article] Methylation Status of a Single CpG Locus 3 Bases Upstream of TATA-box of RANKL Gene Promoter Modulates Cell- and Tissue-specific RANKL Expression and Osteoclastogenesis2007

    • Author(s)
      Kitazawa R, Kitazawa S
    • Journal Title

      Mol Endocrinology 21

      Pages: 148-158

    • Peer Reviewed
  • [Presentation] 日本とミャンマーにおける膀胱腫瘍進展過程におけるBAMBI遺伝子のエピジェネティクス制御の変化2007

    • Author(s)
      サンサンダキン, 北澤理子, 近藤武史, 森清, タイタンエイ, ネウイン, 北澤荘平
    • Organizer
      第66回日本癌学会学術総会
    • Place of Presentation
      横浜
    • Year and Date
      20071003-20071005
  • [Book] DNA Methylation Research Trends(Editor ; Kobayashi TB, Epigenetic roles of CpG methylation at non-CpG-islands revealed by morphology-oriented epigenetic research)2007

    • Author(s)
      Kitazawa S, Mori K, kondo T, Fujimoto M, Kitazawa R
    • Total Pages
      43-66
    • Publisher
      Nova Science Publishers

URL: 

Published: 2011-06-18   Modified: 2016-04-21  

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