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2004 Fiscal Year Final Research Report Summary

Analyzing mechanism of oncogenesis by human papillomavirus

Research Project

Project/Area Number 14026065
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionNational Cancer Center Research Institute

Principal Investigator

KIYONO Tohru  National Cancer Center Research Institute, Virology Division, Chief, ウイルス部, 部長 (10186356)

Co-Investigator(Kenkyū-buntansha) NARISAWA Mako (SAITO Mako)  National Cancer Center Research Institute, Virology Division, Reseacher, ウイルス部, 研究員 (50283023)
YUGAWA Takashi  national cancer center research institute, virology division, Reseacher, ウイルス部, 研究員 (80311372)
YAMASHITA Yoriko  Nagoya University, Graduate School of Malicine, Assistant, 大学院医学研究科, 助手 (90303643)
Project Period (FY) 2002 – 2004
KeywordsHuman Papillomavirus / Cancer of uterine cervix / immkortalization / E6 / E7 / telomerase / PDZ domain
Research Abstract

Transforming activity of E6 requires the PDZ-binding motif at the carboxy terminus conserved among high risk HPV E6 proteins. Since we first reported the hDLG as the E6 target, hScrib, MUPP1, and MUGI have been reported as the similar targets. We identified PSD95 as a novel target. The fact that HPV positive cervical cancer cell lines showed very low expression levels of PSD95, allowed us speculate that PSD95 might function as tumor suppressor. Overexpression of PSD95 in CaSki cells unchanged the growth in a culture dish but significantly reduced the growth both in soft agar medium and nude mice. It was also suggested that PSD95 was ubiquitinated by E6/E6AP complex and degraded by proteosome.
It has long been unknown how E6 activates telomerase in normal human keratinocyte and mammary epithelial cells. We found that E6/E6AP complex bound to a transcriptional repressor, NFX-1. From NIX-1 gene, 123 kDa (NFX1-123) and 91kDa (NFX1-91) proteins were expressed. We found E6/E6AP complex specifically enhanced degradation of NFX1-91 which functioned as transcriptional repressor of hTERT promoter, indicating that the enhanced degradation of NFX-1 is at least a mechanism to activate telomerase by E6.
We suggest that the upregulation of hWAPL, which is preferentially overexpressed in cervical cancers, might be a mechanism which induces chromosomal instability in normal cells by E6 and E7. Human WAPL (hWAPL) is a human homologue of Drosophila wing apart-like gene. The gene product binds to heterochromatin and its overexpression can induce chromosomal instability in cultured cells.

  • Research Products

    (17 results)

All 2005 2004 2003 Other

All Journal Article (15 results) Book (1 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] The human papillomavirus E6 and E7 inducible oncogene, hWAPL, exhibits potential as a therapeutic target.2005

    • Author(s)
      Kuroda, M et al.
    • Journal Title

      Br.J.Cancer Res. 92

      Pages: 290-293

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] The human papillomavirus E6 and E7 inducible oncogene, hWAPL, exhibits potential as a therapeutic target.2005

    • Author(s)
      Kuroda, M., Kiyono, T, Oikawa, K., Yoshida, K., Mukai, K.
    • Journal Title

      Br.J.Cancer Res. 92

      Pages: 290-293

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Identification of a novel telomerase repressor that interacts with the human papillomavirus type-16 E6/E6-AP complex.2004

    • Author(s)
      Gewin, L.et al.
    • Journal Title

      Genes Dev. 18

      Pages: 2269-2282

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Expression of a novel human gene, hWAPL, is associated with cervical carcinogenesis and tumor progression.2004

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

      Cancer Res. 64

      Pages: 3545-3549

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Identification of a novel telomerase repressor that interacts with the human papillomavirus type-16 E6/E6-AP complex.2004

    • Author(s)
      Gewin, L., Myers, H., Kiyono, T., Galloway D.A.
    • Journal Title

      Genes Dev. 18

      Pages: 2269-2282

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Ceramide triggers caspase activation during gamma-radiation-induced apoptosis of human glioma cells lacking functional p53.2004

    • Author(s)
      Hara S, Nakashima S, Kiyono T, Sawada M, Yoshimura S, Iwama T, Sakai N.
    • Journal Title

      Oncol Rep. 12

      Pages: 119-23

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Expression of a novel human gene, h WAPL, is associated with cervical carcinogenesis and tumor progression.2004

    • Author(s)
      Oikawa, K., Ohbayashi, T., Kiyono, T., Nishi, H., Isaka, K., Umezawa, A., Kuroda, M., Mukai, K.
    • Journal Title

      Cancer Res. 64

      Pages: 3545-9

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Gojo, S., Miyoshi, S., Ita, M., Segawa, K., Ogawa, S., Sakamoto, M., Nakamura, S., and Umezawa, A. Can the life-span of human marrow stromal cells be prolonged by bmi-1, E6, E7, and/or telomerase without affecting cardiomyogenic differentiation?2004

    • Author(s)
      Takeda, Y., Mori, T.Imabayashi, H, Kiyono, T.
    • Journal Title

      J.Gene Med. 6

      Pages: 833-45

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Nishiyama, Y., and Tsurumi T. Inhibition of S-phase cyclin-dependent kinase activity blocks expression of Epstein-Barr virus immediate-early and early genes, preventing viral lytic replication.2004

    • Author(s)
      Kudoh, A., Daikoku, T., Sugaya, Y, Isomura, H., Fujita, M., Kiyono, T.
    • Journal Title

      J.Virol 78

      Pages: 104-115

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Successful immortalization of endometrial glandular cells with normal structural and functional characteristics.2003

    • Author(s)
      Kyo S et al.
    • Journal Title

      Am J Pathol. 163

      Pages: 2259-2269

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Maida Y, Kanaya T, Tanaka M, Yatabe N, Inoue M. Successful immortalization of endometrial glandular cells with normal structural and functional characteristics.2003

    • Author(s)
      Kyo S, Nakamura M, Kiyono T
    • Journal Title

      Am J Pathol. 163

      Pages: 2259-69

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Combination of hTERT and Bmi-1, E6 or E7 induce prolongation of the life span of bone marrow stromal cells from an elderly donor without affecting their neurogenic potential.

    • Author(s)
      Mori T et al.
    • Journal Title

      Mol Cell Biol (In press)

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] The Life Span of Umbilical-Cord-Blood-derived Cells Can Be Prolonged without Manipulating p16INK4a/RB Brakine Pathway.

    • Author(s)
      Terai M et al.
    • Journal Title

      Mol Biol Cell (In press)

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Combination of hTERT and Bmi-1, E6 or E7 induce prolongation of the life span of bone marrow stromal cells from an elderly donor without affecting their neurogenic potential.

    • Author(s)
      Mori T, Kiyono T, Imabayashi H, Takeda Y, Tsuchiya K, Miyoshi S, Makino H, Matsumoto K, Saito H, Ogawa S, Sakamoto M, Hata J, Umezawa A.
    • Journal Title

      Mol Cell Biol. (in press)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Immortalization of Human Fetal Cells : The Life Span of Umbilical-Cord-Blood-derived Cells Can Be Prolonged without Manipulating p16INK4a/RB Braking Pathway.

    • Author(s)
      Terai M, Uyama T, Sugiki T, Li XK, Umezawa A, Kiyono T.
    • Journal Title

      Mol Biol Cell. (in press)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Book] 再生医療へのブレイクスルー第1章1-3「細胞周期と細胞の不死化」2004

    • Author(s)
      田畑泰彦編
    • Total Pages
      5
    • Publisher
      メディカルドウ
    • Description
      「研究成果報告書概要(和文)」より
  • [Patent(Industrial Property Rights)] 不死化子宮内膜腺上皮細胞株及びその作成2003

    • Inventor(s)
      京 哲, 清野 透, 井上 正樹
    • Industrial Property Rights Holder
      金沢大TLO, 国立がんセ
    • Industrial Property Number
      特願2003-283911
    • Filing Date
      2003-07-31
    • Description
      「研究成果報告書概要(和文)」より

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Published: 2008-05-27  

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