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Analysis of the molecular mechanism for repression of HCV replication by cyclin-dependent kinase inhibitors

Research Project

Project/Area Number 19790333
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Virology
Research InstitutionThe University of Tokyo

Principal Investigator

MUNAKATA Tsubasa  The University of Tokyo, 大学院医学系研究科, 助教 (50420237)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,690,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywords病原性 / 抗ウイルス薬 / 阻害剤 / リン酸化酵素 / HCV / 肝癌 / 肝炎
Research Abstract

我々は、癌抑制遺伝子産物Rbのリン酸化状態の変化がC型肝炎ウイルス(HCV)の複製に及ぼす効果を調べるため、Rbをリン酸化するサイクリン依存性リン酸化酵素(CDK)の阻害剤を利用した。その結果、複数のCDK阻害剤が培養細胞でのHCVの複製を抑制することを発見した。特に、CDK4の過剰発現はウイルス複製を活性化し、ノックダウンはウイルス複製を抑制したことから、CDK4の関与は明らかである。更に我々は、ヒト肝臓キメラマウスを用いたHCV感染の動物モデルでも、CDK阻害剤が抗HCV効果を有することを実証した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (23 results)

All 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (19 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] Hepatitis C virus induces E6AP-dependent degradation of theretinoblastoma protein.2007

    • Author(s)
      Munakata T, Liang Y, Kim S, McGivern DR, Huibregtse J, Nomoto A, Lemon SM.
    • Journal Title

      PLoS Pathog 3

      Pages: 1335-1347

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hepatitis C virus induces E6AP-dependent degradation of the retinoblastoma protein2007

    • Author(s)
      Munakata, T., et. al.
    • Journal Title

      PLoS Pathog 3

      Pages: 1335-1347

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Recognition of hepatitis C virus by TLR32008

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第31回日本分子生物学会年会
    • Place of Presentation
      神戸ポートアイランド、神戸、日本
    • Year and Date
      2008-12-11
    • Related Report
      2008 Final Research Report
  • [Presentation] TLR3 はC 型肝炎ウイルス感染を抑制する2008

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第56回日本ウイルス学会学術集会
    • Place of Presentation
      岡山コンベンションセンター、岡山、日本
    • Year and Date
      2008-10-26
    • Related Report
      2008 Final Research Report
  • [Presentation] TLR3はC型肝炎ウイルス感染を抑制する2008

    • Author(s)
      棟方翼
    • Organizer
      第56回日本ウイルス学会学術集会
    • Place of Presentation
      岡山コンベンションセンター、岡山、日本
    • Year and Date
      2008-10-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] Induction of hepatic TLR3 by E2F1 during hepatitis C viral infection2008

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第15回国際HCV シンポジウム
    • Place of Presentation
      マリオット・リバーセンター、サン・アントニオ、アメリカ
    • Year and Date
      2008-10-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Induction of hepatic TLR3 by E2F1 during hepatitis C viral infection2008

    • Author(s)
      Munakata, T., et.al.
    • Organizer
      The 15^<th> International Symposium on Hepatitis C Virus & Related Viruses
    • Place of Presentation
      Marriott Rivercenter, San Antonio, USA
    • Year and Date
      2008-10-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] Anti-hepatitis C virus effects of cyclin-dependent kinase inhibitors2008

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第8回あわじしま感染症・免疫フォーラム
    • Place of Presentation
      兵庫県立淡路夢舞台国際会議場、淡路、日本
    • Year and Date
      2008-09-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-hepatitis C virus effects of cyclin-dependent kinase inhibitors2008

    • Author(s)
      Munakata, T., et.al.
    • Organizer
      The 8th-Awaji International Forum on Infection and Immunity
    • Place of Presentation
      兵庫県立淡路夢舞台国際会議場、淡路、日本
    • Year and Date
      2008-09-08
    • Related Report
      2008 Annual Research Report
  • [Presentation] Negative feed-back regulation of hepatitis C virus replication by TLR32008

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第14回国際ウイルス会議
    • Place of Presentation
      イスタンブール・コンベンションセンター、イスタンブール、トルコ
    • Year and Date
      2008-08-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Negative feed-back regulation of hepatitis C virus replication by TLR 32008

    • Author(s)
      Munakata, T., et.al.
    • Organizer
      The 14^<th> International Congress of Virology
    • Place of Presentation
      Istanbul Convention Center, Istanbul, Turkey
    • Year and Date
      2008-08-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] Recognition of hepatitis C virus by TLR32008

    • Author(s)
      Munakata, T., et.al.
    • Organizer
      Biochemistry and Molecular Biology 2008
    • Place of Presentation
      神戸ポートアイランド、神戸、日本
    • Related Report
      2008 Annual Research Report
  • [Presentation] Toll-like receptor 3 is a downstream target of Rb/E2F pathway activated by hepatitis C virus2007

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第30回日本分子生物学会年会
    • Place of Presentation
      パシフィコ横浜、横浜、日本
    • Year and Date
      2007-12-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Toll-like receptor 3 is a downstream target of Rb/E2F pathway activated by hepatitis C virus2007

    • Author(s)
      Munakata, T., et. al.
    • Organizer
      Biochemistry and Molecular Biology 2007
    • Place of Presentation
      Yokohama, Japan
    • Year and Date
      2007-12-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] C型肝炎ウイルスのRNAポリメラーゼNS5Bが癌抑制遺伝子産物Rbを分解する時に関与する宿主因子の同定2007

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第55回日本ウイルス学会学術集会
    • Place of Presentation
      札幌コンベンションセンター、札幌、日本
    • Year and Date
      2007-10-23
    • Related Report
      2008 Final Research Report
  • [Presentation] C型肝炎ウイルスのRNAポリメラーゼNS5Bが癌抑制遺伝子産物Rbを分解する時に関与する宿主因子の同定2007

    • Author(s)
      棟方 翼
    • Organizer
      第55回日本ウイルス学会学術集会
    • Place of Presentation
      Sapporo, Japan
    • Year and Date
      2007-10-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] Toll-like receptor 3 is a downstream target of Rb/E2F pathway activated during hepatitis C virus infection and replication2007

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第7回あわじしま感染症・免疫フォーラム
    • Place of Presentation
      兵庫県立淡路夢舞台国際会議場、淡路、日本
    • Year and Date
      2007-09-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Toll-like receptor 3 is a downstream target of Rb/E2F pathway activated during hepatitis C virus infection and replication2007

    • Author(s)
      Munakata, T., et. al.
    • Organizer
      The 7th Awaji International Forum on Infection and Immunity
    • Place of Presentation
      Awaji, Japan
    • Year and Date
      2007-09-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] Hepatitis C virus(HCV) regulation of the retinoblastoma protein2007

    • Author(s)
      Lemon, SM., et. al.
    • Organizer
      The 8th International Symposium on Positive-Strand RNA Viruses
    • Place of Presentation
      Washington DC, USA
    • Year and Date
      2007-05-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Regulation of Toll-like receptor 3 expr ession by hepatitis C virus2007

    • Author(s)
      棟方 翼(代表)
    • Organizer
      第8回国際プラス鎖RNAウイルスシンポジウム
    • Place of Presentation
      ルネッサンス・メイフラワー・ホテル、ワシントンDC、アメリカ
    • Year and Date
      2007-05-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Regulation of Toll-like receptor 3 expression by hepatitis Cvirus2007

    • Author(s)
      Munakata, T., et. al.
    • Organizer
      The 8th International Symposium on Positive-Strand RNA Viruses
    • Place of Presentation
      Washington DC, USA
    • Related Report
      2007 Annual Research Report
  • [Patent(Industrial Property Rights)] CDK 阻害剤によるC 型肝炎ウイルスの複製抑制2008

    • Inventor(s)
      棟方 翼, 稲田 誠, 野本 明男
    • Industrial Property Rights Holder
      東京大学
    • Industrial Property Number
      2008-194237
    • Filing Date
      2008-07-29
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] CDK阻害剤によるC型肝炎ウイルスの複製抑制2008

    • Inventor(s)
      棟方翼、稲田誠、野本明男
    • Industrial Property Rights Holder
      東京大学
    • Industrial Property Number
      2008-194237
    • Filing Date
      2008-07-29
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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