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Identification and functional analysis of anti-HIV host factor in macrophages

Research Project

Project/Area Number 21590511
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Virology
Research InstitutionKumamoto University

Principal Investigator

FUJITA Mikako  熊本大学, 薬学部, 准教授 (00322256)

Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsVpx / HIV-2 / アクセサリー蛋白質 / マクロファージ / 逆転写反応 / 抗HIV宿主因子 / PMA / THP-1
Research Abstract

Recently, it has been reported that there are an anti-HIV host factors which inhibit reverse transcription of the viral genome macrophages-specifically, as a target factors of HIV-2 Vpx protein. In this study, preparation for identification of these host factors had been performed. However, in 2011, SAMHD1and APOBEC3A were identified as these factors, and almost all functional details of these proteins have been revealed. Thus, in this study, roles of C-terminal polyproline motif(PPM) have been examined. As a result, we suggested that PPM suppresses lysosomal degradation and proteasome degradation of Vpx protein.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (20 results)

All 2012 2011 2010 2009

All Journal Article (11 results) (of which Peer Reviewed: 11 results) Presentation (8 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Structural biology for virus research2012

    • Author(s)
      Yasuyuki Miyazaki, Mikako Fujita, Masako Nomaguchi, Akio Adcahi
    • Journal Title

      Frontiers in Microbiology

      Volume: 3 Pages: 91-91

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Commentary on aptamers for virus research2012

    • Author(s)
      Yasuyuki Miyazaki, Mikako Fujita
    • Journal Title

      Frontiers in Microbiology

      Volume: 3 Pages: 52-52

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] An artificial copper complex incorporating a cell-penetrating peptide inhibits NF-・B activation2011

    • Author(s)
      Yosuke Kanemaru, Yumi Momiki, Saori Matsuura, Tatsufumi Horikawa, Jin Gohda, Jun-ichiro Inoue, Yoshinari Okamoto, Mikako Fujita, Masami Otuska
    • Journal Title

      Chemical & Pharmaceutical Bulletin

      Volume: 59 Pages: 1555-1558

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] An anti-HIV-1compound that increases steady-state expression of apoplipoprotein B mRNA-editing enzyme-catalytic polypeptide-like 3G2011

    • Author(s)
      Tomohiko Ejima, Mayuko Hirota, Tamio Mizukami, Masami Otsuka, Mikako Fujita
    • Journal Title

      International Journal of Molecular Medicine

      Volume: 28 Pages: 613-616

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] HIV-1 Nef impairs multiple T-cell functions in antigen-specific immune response in mice2011

    • Author(s)
      Hideki Fujii, Manabu Ato, Yoshimasa Takahashi, Kaori Otake, Shu-ichi Hashimoto, Tomohiro Kaji, Yasuko Tsunetsugu-Yokota, Mikako Fujita, Akio Adachi, Toshinori Nakamura, Masaru Taniguchi, Shigeo Koyasu, Toshiitada Takemori
    • Journal Title

      International Immunology

      Volume: 23 Pages: 433-441

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] The fourth major restriction factor against HIV/SIV2011

    • Author(s)
      Masako Nomaguchi, Mikako Fujita, Akio Adachi
    • Journal Title

      Frontiers in Microbiology

      Volume: 2 Pages: 132-132

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] The fourth major restriction factor against HIV/ SIV2011

    • Author(s)
      Nomaguchi, M., Fujita, M., and Adachi, A
    • Journal Title

      Frontiers in Microbiology

      Volume: 2 Pages: 132-132

    • DOI

      10.3389/fmicb.2011.00132

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Site-directed mutagenesis of HIV-1 vpu gene demonstrates two clusters of replication-defective mutants with distinct ability to down-regulate cell surface CD4 and tetherin2010

    • Author(s)
      Masako Nomaguchi, Naoya Doi, Sachi Fujiwara, Mikako Fujita, Akio Adachi
    • Journal Title

      Frontiers in Microbiology

      Volume: 1 Pages: 116-116

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Highly sensitive analysis of the interaction between HIV-1Gag and phosphoinositide derivatives based on surface plasmon resonance2010

    • Author(s)
      Kensaku Anraku, Ryota Fukuda, Nobutoki Takamune, Shogo Misumi, Yoshinari Okamoto, Masami Otsuka, Mikako Fujita
    • Journal Title

      Biochemistry

      Volume: 49 Pages: 5109-5116

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Multifaced activity of HIV Vpr/Vpx proteins : the current view of their virological functions2010

    • Author(s)
      Mikako Fujita, Masami Otsuka, Masako Nomaguchi, Akio Adachi
    • Journal Title

      Reviews in Medical Virology

      Volume: 20 Pages: 68-76

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Role of HIV-1Nef protein for virus replication in vitro2010

    • Author(s)
      Abhay Jere, Mikako Fujita, Akio Adachi, Masako Nomaguchi
    • Journal Title

      Microbes and Infection

      Volume: 12 Pages: 65-70

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Presentation] 抗エイズ活性をもつイノシトールリン脂質誘導体の合成2012

    • Author(s)
      安楽健作、立石大、藤田美歌子、大塚雅巳
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      北海道大学(札幌)
    • Year and Date
      2012-03-31
    • Related Report
      2011 Final Research Report
  • [Presentation] 酸性脂質類によるHIV-1増殖の抑制2011

    • Author(s)
      安楽健作、大塚雅巳、藤田美歌子
    • Organizer
      第25回日本エイズ学会学術集会
    • Place of Presentation
      ハイアットリージェンシー東京(東京)
    • Year and Date
      2011-12-02
    • Related Report
      2011 Final Research Report
  • [Presentation] PHドメイン分子によるHIV-1放出の抑制2011

    • Author(s)
      藤田美歌子、安楽健作、大塚雅巳
    • Organizer
      第25回日本エイズ学会学術集会
    • Place of Presentation
      ハイアットリージェンシー東京(東京)
    • Year and Date
      2011-11-30
    • Related Report
      2011 Final Research Report
  • [Presentation] HIV-1増殖を制御するフラーレン化合物の開発2010

    • Author(s)
      藤田美歌子、大塚雅巳、高橋恭子、中村成夫、増野匡彦
    • Organizer
      第24回日本エイズ学会学術集会
    • Place of Presentation
      グランドプリンスホテル高輪/ザ・プリンスさくらタワー東京(東京)
    • Year and Date
      2010-11-25
    • Related Report
      2011 Final Research Report
  • [Presentation] HIV MAおよびNef蛋白質と脂質類との結合解析2010

    • Author(s)
      福田亮太、安楽健作、大塚雅巳、藤田美歌子
    • Organizer
      第24回日本エイズ学会学術集会
    • Place of Presentation
      グランドプリンスホテル高輪/ザ・プリンスさくらタワー東京(東京)
    • Year and Date
      2010-11-24
    • Related Report
      2011 Final Research Report
  • [Presentation] HIV Vpr/Vpx蛋白質の役割2010

    • Author(s)
      藤田美歌子
    • Organizer
      第58回日本ウイルス学会学術集会
    • Place of Presentation
      あわぎんホール(徳島)
    • Year and Date
      2010-11-08
    • Related Report
      2011 Final Research Report
  • [Presentation] HIV-1Gag関連蛋白質およびNefとイノシトールリン酸類との結合解析2009

    • Author(s)
      福田亮太、安楽健作、大塚雅巳、藤田美歌子
    • Organizer
      第23回日本エイズ学会学術集会
    • Place of Presentation
      名古屋国際会議場(名古屋)
    • Year and Date
      2009-11-26
    • Related Report
      2011 Final Research Report
  • [Presentation] HIV-1複製に関与するイノシトールリン脂質類とGag関連蛋白質との結合の定量的解析2009

    • Author(s)
      藤田美歌子、安楽健作、大塚雅巳
    • Organizer
      第57回日本ウイルス学会学術集会
    • Place of Presentation
      都市センターホテル(東京)
    • Year and Date
      2009-10-26
    • Related Report
      2011 Final Research Report
  • [Patent(Industrial Property Rights)] APOBEC発現向上剤及び抗HIV剤2010

    • Inventor(s)
      藤田美歌子、大塚雅巳、江島智彦
    • Industrial Property Rights Holder
      熊本大学
    • Industrial Property Number
      2010-103182
    • Filing Date
      2010-04-28
    • Related Report
      2011 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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