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Studies on the effects of heat shock proteins of the HSP110 family on the aggregation of poly-glutamine

Research Project

Project/Area Number 12670603
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Neurology
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

ITOH Katsuhiko (2001)  KYOTO UNIVERSITY Dpt. of Clinical Molecular Biology Lecturer, 医学研究科, 講師 (90281097)

金子 嘉志 (2000)  京都大学, 医学研究科, 助手 (40252465)

Co-Investigator(Kenkyū-buntansha) HIGASHITSUJI Hiroaki  KYOTO UNIVERSITY Assistant, 医学研究科, 助手 (60281094)
FUJITA Jun  KYOTO UNIVERSITY Faculty of medicine Professor, 医学研究科, 教授 (50173430)
伊藤 克彦  京都大学, 医学研究科, 講師 (90281097)
Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2001: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 2000: ¥2,200,000 (Direct Cost: ¥2,200,000)
KeywordsAPG-1 / APG-2 / HSP110 / HSP70 / polyglutamine / aggregation / apotosis / ポリグルタミン / 凝集体 / HSP40
Research Abstract

1. We have studied the effects of HSP110, APG-1 or APG-2, which are belonging to the HSP110 family, on the aggregation of poly-glutamine in vitro. Although HSP70 inhibited the aggregation of poly-glutamine, these molecules did not inhibited.
2. We have studied the effects of HSP110, APG-1 or APG-2 on the Poly-glutamine induced apoptosis in vitro. Although HSP70 inhibited the apoptosis, these molecules did not inhibited.
3. We have observed that HSP70 whith lacks its ATPase domain showed the anti-aggregation effect on polu-glutamine but not the anti-apoptotic effect.

Report

(3 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] Higashitsuji H et al.: "Reduced stability of retinoblastoma protein by gankyrin, an oncogeric ankyrin-repeat protein overexpressed in hepatomas"Nature Med.. 6. 96-99 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Tsuji T, Itoh K et al.: "Retroviral vector-mediated gene expression in human CD34+CD38 cells expanded in vitro : cis-elements of EMFV are superior to those of MOMLV"Hum. Gene. Ther.. 11. 271-284 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Danno S, Itoh K et al.: "Decreased expression of mouse rbm3,a cold-shock protein, in Sertoli cells of cryptorchid testis"Am J Patho.. 156. 1685-1692 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Tatsumi K et al.: "Induction of tryptophan 2,3-Dioxygenase in the mouse endometrium during implantation"Biochem. Biophys. Res. Commun.. 274. 166-170 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirose Y et al.: "B-cell precursors differentiated from cord blood CD34+cells are more immature than those derived from granulocyte colony-stimulating factor. mobilized peripheral blood CD34+cells"Immunology. 104. 410-417 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Ohnishi N, Itoh K et al.: "High expression of transgenes mediated by hybrid retroviral vectors in hepatocites : comparison of promoters from murine retroviruses in vitro and in vivo"Gene. Ther.. (in press). (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Higashitsuji H, Itoh K, Nagao T, Dawson S, Nonoguchi K, Kido T, Mayer J, Arii S and Fujita J: "Reduced stability of retinoblastoma protein by gankyrin, an oncogenic ankyrin-repeat protein overexpressed in hepatomas"Nature Med. 6. 96-99 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Tsuji T, Itoh K, Baum C, Ohnishi N, Tomiwa R, Hirano D, Nishimura-Morita Y, Ostertag W and Fujita J: "Retroviral vector-mediated gene expression in human CD34+CD38- cells expanded in vitro : cis-elements of FMEV are superior to those of MoMLV"Hum Gene Ther. 11. 271-284 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Danno S, Itoh K, Matsuda T and Fujita J.: "Decreased expression of mouse rbm3, a cold-shock protein, in Sertoli_cells of cryptorchid testis"Am J Pathol. 156. 1685-1692 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Tatsumi K, Higuchi T, Fujiwara H, Nakayama T, Egawa H, Itoh K, Fujii S and Fujita J.: "Induction of tryptophan 2,3-Dioxygenase in the mouse endometrium during implantation"Biochem Biophys Res Commun. 274. 166-170 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirose Y, Kiyoi H, Itoh K, Kato K, Saito H and Naoe T: "B-cell precursors differentiated from cord blood CD34+ cells are more immature than those derived from granulocyte colony-stimulating factor-mobilized peripheral blood CD34+ cells"Immunology. 104. 410-417 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Ohnishi N, Itoh K, Itoh Y, Baum C, Higashitsuji H, Yamaguchi K, Tsuji T, Okanoue T and Fujita J: "High expression of transgenes mediated by hybrid retroviral vectors in hepatocytes : Comparison of promoters from murine retroviruses in vitro and in vivo"Gene Ther. (in press). (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Ohnishi et al.: "High expression of transganes mediated by hybrid retrovival vectors in hepatocytes : coinparison of promoters from murine vetroviruse in vitro and invivo"Gene Therapy. (in press). (2002)

    • Related Report
      2001 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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