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A study for the molecular mechanisms of HPV-type specific cytopathogenic effect.

Research Project

Project/Area Number 23791303
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Dermatology
Research InstitutionNational Cancer Center Japan

Principal Investigator

EGAWA Nagayasu  独立行政法人国立がん研究センター, 研究所, 研究員 (90533399)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsヒト乳頭腫ウイルス / HPV / 子宮頸がん / ウイルス生活環 / ウイルス複製 / 型特異的細胞編成効果 / 型特異的細胞変性効果 / 疣贅 / 皮膚感染症 / 皮膚腫瘍 / ウイルス / パピローマ / 生活環
Research Abstract

We have established an experimental system which can evaluate the requirement of any viral gene of interest in the viral life cycle by supplying and deleting exogenous expression of the gene and demonstrated that E1 is entirely dispensable for maintenance replication of the HPV16 genome in human keratinocytes. Thus, inhibition of E1 may not be able to eliminate the viral genome from the basal cell layer. The rationale for development of E1 inhibitors as anti-HPV drugs may be more restricted than formerly envisaged.
HPV 126, isolated and characterized in the present study, is a novel type of genus gamma papillomavirus and associated with flat wart- or EV-related tinea versicolor-like clinical features: histological ICBs as with other genus gamma papillomaviruses; and immunohistochemical expression of Ki-67 and p53 in characteristic manner not typical for benign cutaneous warts.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (12 results)

All 2012 2011 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (6 results)

  • [Journal Article] The E1 protein of human papillomavirus type 16 is dispensable for maintenance replication of the viral genome2012

    • Author(s)
      Egawa, N., et al
    • Journal Title

      J.Virol.

      Volume: 86 Issue: 6 Pages: 3276-3281

    • DOI

      10.1128/jvi.06450-11

    • Related Report
      2012 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] Molecular cloning and characterization of a novel human papillomavirus, HPV 126, isolated from a flat wart-like lesion with intracytoplasmic inclusion bodies and a peculiar distribution of Ki-67 and p532012

    • Author(s)
      Egawa N
    • Journal Title

      Virology

      Volume: 422 Issue: 1 Pages: 99-104

    • DOI

      10.1016/j.virol.2011.10.011

    • Related Report
      2012 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] A critical role of MYC for transformation of human cells by HPV16 E6E7 and oncogenic HRAS2012

    • Author(s)
      Narisawa-Saito, M.
    • Journal Title

      Carcinogenesis

      Volume: 33 Issue: 4 Pages: 910-917

    • DOI

      10.1093/carcin/bgs104

    • Related Report
      2012 Annual Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] An in vitro multistep carcinogenesis model for both HPV-positive and -negative human oral squamous cell carcinomas2011

    • Author(s)
      Zushi Y, Narisawa-Saito M, Noguchi K, Yoshimatsu Y, Yugawa T, Egawa N, Fujita M, Urade M, Kiyono T.
    • Journal Title

      American Journal of Cancer Research

      Volume: 1(7) Pages: 869-881

    • Related Report
      2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] Enhanced specificity of HPV16 E6E7 siRNA by RNA-DNA chimera modification.2011

    • Author(s)
      Yamato K. et al.
    • Journal Title

      Cancer Gene Ther.

      Volume: 18 Issue: 8 Pages: 587-597

    • DOI

      10.1038/cgt.2011.28

    • Related Report
      2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] Synthetic emmprin peptides inhibit tumor cell-fibroblast interaction-stimulated upregulation of MMP-2 and tumor cell invasion.2011

    • Author(s)
      Koga K, Aoki M, Sameshima T, Hamasaki M, Egawa N, Seiki M, Toole BP, Suzumiya J, Nabeshima K.
    • Journal Title

      Int J Oncol.

      Volume: 39(3) Pages: 657-64

    • DOI

      10.3892/ijo.2011.1060

    • Related Report
      2011 Research-status Report
    • Peer Reviewed
  • [Presentation] HPV16 E1 IS NOT REQUIRED FOR THE VIRAL GENOME MAINTENANCE2011

    • Author(s)
      Nagayasu Egawa
    • Organizer
      第27回国際パピローマウイルス会議
    • Place of Presentation
      ドイツ・ベルリン
    • Year and Date
      2011-09-19
    • Related Report
      2012 Final Research Report
  • [Presentation] HPV16 E1 IS NOT REQUIRED FOR THE VIRAL GENOME MAINTENANCE2011

    • Author(s)
      Nagayasu Egawa
    • Organizer
      第59回日本ウイルス学会(国際学会)
    • Place of Presentation
      札幌
    • Year and Date
      2011-09-15
    • Related Report
      2012 Final Research Report
  • [Presentation] HPV16 E1 IS NOT REQUIRED FOR THE VIRAL GENOME MAINTENANCE.2011

    • Author(s)
      Nagayasu Egawa,Tomomi Nakahara, Shinichi Ohno, Takashi Yugawa, Mako Narisawa-Saito, Tohru Kiyono
    • Organizer
      第27回国際パピローマウイルス会議
    • Place of Presentation
      ドイツ、 ベルリン
    • Related Report
      2011 Research-status Report
  • [Presentation] HPV16 E1 IS NOT REQUIRED FOR THE VIRAL GENOME MAINTENANCE.2011

    • Author(s)
      Nagayasu Egawa, Shinichi Ohno, Takashi Yugawa, Mako Narisawa-Saito, Tohru Kiyono
    • Organizer
      第59回日本ウイルス学会(国際学会)
    • Place of Presentation
      北海道、札幌
    • Related Report
      2011 Research-status Report
  • [Presentation] A Cellular Factor Involved in Suppression of E1-dependent Replication of Human Papillomavirus Type 16 (HPV16) in Proliferating Keratinocytes.

    • Author(s)
      Tomomi Nakahara
    • Organizer
      28th International Papillomavirus Conference
    • Place of Presentation
      San Juan, Puerto Rico
    • Related Report
      2012 Annual Research Report
  • [Presentation] ヒトパピローマウイルス16型(HPV16)のE1ヘリカーゼ依存的ゲノム複製に対する細胞応答

    • Author(s)
      中原知美
    • Organizer
      第60回日本ウイルス学会学術集会
    • Place of Presentation
      グランキューブ大阪(大阪府)
    • Related Report
      2012 Annual Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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