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2013 Fiscal Year Final Research Report

Unraveling the role of Angptl2 in the pathogenesis of steatohepatitis and liver cancer

Research Project

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Project/Area Number 23591001
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Gastroenterology
Research InstitutionNational Defense Medical College

Principal Investigator

TOMITA Kengo  防衛医科大学校(医学教育部医学科進学課程及び専門課程、動物実験施設、共同利用研究, 病院, 講師 (50317129)

Co-Investigator(Kenkyū-buntansha) SEKI Shuji  防衛医科大学校, 医学教育部医学科専門課程, 教授 (80531392)
Co-Investigator(Renkei-kenkyūsha) OIKE Yuichi  熊本大学, 大学院, 教授 (90312321)
Project Period (FY) 2011 – 2013
Keywords非アルコール性脂肪肝炎 / 肝臓線維化 / 肝臓癌 / Angptl2
Research Abstract

Angiopoietin-like protein 2 (Angptl2) is an adipocytokine, which induces chemotaxis of macrophages to adipose tissue, exaggerates adipose tissue inflammation, and aggravates insulin resistance and obesity. Nonalcoholic steatohepatitis (NASH) is thought to be a hepatic manifestation of metabolic syndrome. Therefore, Angptl2 may play an important role in the pathogenesis of NASH and NASH-related liver cancer. In the present study, we tried to unravel the role of Angptl2 in the progression of NASH and NASH-related liver cancer, using Angptl2-deficient mice and human liver samples in patients with NASH or liver cancer. We intend to promote necessary study and research for clinical application.

  • Research Products

    (23 results)

All 2014 2013 2012 2011

All Journal Article (21 results) (of which Peer Reviewed: 21 results) Presentation (2 results)

  • [Journal Article] Acyl-CoA : cholesterol acyltransferase 1 mediates liver fibrosis by regulating free cholesterol accumulation in hepatic stellate cells2014

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Hepatol

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] A pregnant woman with noncomatose autoimmune acute liver failure in the second trimester rescued using medical therapy : A case report2014

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Hepatol Res.

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] Free cholesterol accumulation in hepatic stellate cells : mechanism of liver fibrosis aggravation in nonalcoholic steatohepatitis in mice2014

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Hepatology

      Volume: 59(1) Pages: 154-69

    • Peer Reviewed
  • [Journal Article] Fibroblast growth factor-5 participates in the progression of hepatic fibrosis2014

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Exp Anim

      Volume: 63(1) Pages: 85-92

    • Peer Reviewed
  • [Journal Article] Prevalence of serum celliac antibody in patients with IBD in Japan2014

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Gastroenterol

      Volume: 49(5) Pages: 825-834

    • Peer Reviewed
  • [Journal Article] Effect of Telmisartan or Losartan for Treatment of Nonalcoholic Fatty Liver Disease : Fatty Liver Protection Trial by Telmisartan or Losartan Study (FANTASY)2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Int J Endocrinol

      Volume: 2013 Pages: 587140

    • DOI

      10.1155/2013/587140

    • Peer Reviewed
  • [Journal Article] C-C motif chemokine receptor 9 positive macrophages activate hepatic stellate cells and promote liver fibrosis in mice2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Hepatology

      Volume: 58 Pages: 337-350

    • Peer Reviewed
  • [Journal Article] Trans fatty acids in diets act as a precipitating factor for gut inflammation?2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Gastroenterol Hepatol

      Volume: 4 Pages: 29-32

    • Peer Reviewed
  • [Journal Article] Trans fatty acids exacerbate dextran sodium sulphate-induced colitis by promoting the upregulation of macrophage-derived proinflammatory cytokines involved in T helper 17 cell polarization2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Clin Exp Immunol

      Volume: 174(3) Pages: 459-471

    • Peer Reviewed
  • [Journal Article] Phlebosclerotic colitis that was difficult to distinguish from collagenous colitis2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Dig Endosc

    • DOI

      10.1111/den.12151

    • Peer Reviewed
  • [Journal Article] 1,4-Dihydroxy-2-naphthoic acid from Propionibacterium freudenreichii reduces inflammation in interleukin-10-deficient mice with colitis by suppressing macrophage-derived proinflammatory cytokines2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Leukoc Biol

      Volume: 94 Pages: 473-480

    • Peer Reviewed
  • [Journal Article] Involvement of autotaxin/lysophospholipase D expression in intestinal vessels in aggravation of intestinal damage through lymphocyte migration2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Lab Invest

      Volume: 93 Pages: 508-519

    • Peer Reviewed
  • [Journal Article] Endoscopic finding of spontaneous hemorrhage correlates with tumor necrosis factor alpha expression in colonic mucosa of patients with ulcerative colitis2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Dis Int J Colorectal

      Volume: 28 Pages: 1049-1055

    • Peer Reviewed
  • [Journal Article] Dietary lipids and sweeteners regulate glucagon-like peptide-2 secretion2013

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol

      Volume: 304 Pages: G708-714

    • Peer Reviewed
  • [Journal Article] A high-cholesterol diet exacerbates liver fibrosis in mice via accumulation of free cholesterol in hepatic stellate cells2012

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Gastroenterology

      Volume: 142 Pages: 152-164

    • Peer Reviewed
  • [Journal Article] p53/p66Shc-mediated signaling contributes to the progression of non-alcoholic steatohepatitis in humans and mice2012

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Hepatol

      Volume: 57 Pages: 837-843

    • Peer Reviewed
  • [Journal Article] Indomethacin-induced small intestinal injury is ameliorated by cilostazol, a specific PDE-3 inhibitor2012

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Scand J Gastroenterol

      Volume: 47 Pages: 993-1002

    • Peer Reviewed
  • [Journal Article] HIF-1 in T cells ameliorated dextran sodium sulfate-induced murine colitis2012

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Leukoc Biol

      Volume: 91 Pages: 901-909

    • Peer Reviewed
  • [Journal Article] Serum immunoglobulin A concentration is an independent predictor of liver fibrosis in nonalcoholic steatohepatitis before the cirrhotic stage2011

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Dig Dis Sci.

      Volume: 56 Pages: 3648-3654

    • Peer Reviewed
  • [Journal Article] Plasma free myristic acid proportion is a predictor of nonalcoholic steatohepatitis2011

    • Author(s)
      Tomita K, et al.
    • Journal Title

      Dig Dis Sci.

      Volume: 56 Pages: 3648-3654

    • Peer Reviewed
  • [Journal Article] Fbxw7 regulates lipid metabolism and cell fate decisions in the mouse liver2011

    • Author(s)
      Tomita K, et al.
    • Journal Title

      J Clin Invest

      Volume: 121 Pages: 342-354

    • Peer Reviewed
  • [Presentation] The characteristic Mechanisms of Free Cholesterol Accumulation in Hepatic Stellate Cells Aggravate liver fibrosis in Nonalcoholic Steatohepatitis in Mice2013

    • Author(s)
      Tomita K
    • Organizer
      The 48th Annual Meeting of the European Association for the Study of Liver Diseases
    • Place of Presentation
      Amsterdam, The Netherlands
    • Year and Date
      20130424-28
  • [Presentation] p53/p66Shc signaling pathway plays a role in nonalcoholic steatohepatitis progression in human and mice2012

    • Author(s)
      Tomita K
    • Organizer
      The 47th Annual Meeting of the European Association for the Study of Liver Diseases
    • Place of Presentation
      Barcelona, Spain
    • Year and Date
      20120418-22

URL: 

Published: 2015-07-16  

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