The role of hepatic mitochondrial function in carcinogenesis of chronic hepatitis C

2008 Fiscal Year Final Research Report

• Project/Area Number: 19590769
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Gastroenterology
• Research Institution: Yamaguchi University
• Principal Investigator: KORENAGA Masaaki Yamaguchi University, 医学部附属病院, 助教 (70420536)
• Project Period (FY): 2007 – 2008
• Keywords: ミトコンドリア / 鉄過剰状態 / 肝発癌 / 酸化ストレス / 小胞体ストレス / HCVTgM

Research Abstract

C型肝炎ウイルス(HCV)が誘導するミトコンドリアからの酸化ストレスは、ウイルス排除のみならず、ウイルス増殖を抑制するだけで抑えられ肝発癌を抑制する可能性がある。また、HCVが誘導する鉄過剰状態は、ミトコンドリア障害のみならず、小胞体ストレスを誘導し、肝脂肪化を増悪させ発癌を促進すると考えられた。

Research Products

• [Journal Article] Hepatitis C virus-induced reactive oxygen species raise hepatic iron level in mice by reducing hepcidin transcription (2008)
  • Author(s): Nishina S, Hino K, Korenaga M, 他9名
  • Journal Title: Gastroenterology 34(1) Pages: 226-38
  • Peer Reviewed
• [Journal Article] Mitochondrial electron transport inhibition in full genomic hepatitis C virus replicon cells is restored by reducing viral replication Liver Int (2008)
  • Author(s): Ando M, Korenaga M, Hino K, 他8名
  • Journal Title: 28(8) Pages: 1158-66
  • Peer Reviewed
• [Journal Article] Effects of a late evening snack combined with alpha-glucosidase inhibitor on liver cirrhosis (2008)
  • Author(s): Korenaga K, Korenaga M, Uchida K, 他5名
  • Journal Title: Hepatol Res 38 Pages: 1087-1097
  • Peer Reviewed
• [Journal Article] Stronger Neo-Minophagen C^<TM>, a glycyrrhizin-containing preparation, protects liver against carbon tetrachloride-induced oxidative stress in transgenic mice expressing the hepatitis C virus polyprotein (2007)
  • Author(s): Hidaka I, Hino K, Korenaga M, 他5名
  • Journal Title: Liver Int 27 Pages: 845-53
  • Peer Reviewed
• [Journal Article] The effect of supplementation with branched-chain amino acids in patients with liver cirrhosis (2007)
  • Author(s): Urata Y, Okita K, Korenaga K, 他5名
  • Journal Title: 37(7) Pages: 510-6
• [Presentation] Analysis of gene expression related to the lipid and glucose metabolism in iron-overloded transgenic mice expressing the hepatitis C virus polyprotein (2008)
  • Author(s): Korenaga M et.al.
  • Organizer: 第59回AASLD(TheAmerican Association for the Study of Liver Disease)
  • Place of Presentation: San Francisco CA USA
  • Year and Date: 2008-11-01
• [Presentation] Analysis of gene expression related to the lipid and glucose metabolism in iron-overloded transgenic mice expressing the hepatitis C virus polyprotein (2008)
  • Author(s): Korenaga M et.al.
  • Organizer: 第59回AASLD(The American Association for the Study ofLiver Disease)
  • Place of Presentation: San Francisco CA USA
  • Year and Date: 2008-11-01
• [Presentation] Cosupplementation with vitamin E and coenzyme Q(10) reduces iron-overloaded induced hepatic steatosisin transgenic mice expressing the hepatitis c virus polyprotein (2007)
  • Author(s): Korenaga M et.al.
  • Organizer: 第58回AASLD(The American Association for the Study of Liver Disease)
  • Place of Presentation: Boston MA USA
  • Year and Date: 2007-11-04
• [Presentation] Inhibition of viral replication prevents HCV-induced mitochondrial respiratory dysfunction in a genome-length replicon system (2007)
  • Author(s): Korenaga M et.al.
  • Organizer: APDW(Asian Pacific Digestive Week)
  • Place of Presentation: Kobe Japan
  • Year and Date: 2007-10-18
• [Book] 酸化ストレスと肝疾患第4巻, C型肝炎ウイルスが惹起する肝脂肪化と酸化ストレス (2008)
  • Author(s): 是永匡紹
  • Total Pages: 36-42
  • Publisher: メディカルジャーナル社