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cDNA sequence of a 23kDa protein in human brain lesions.

Research Project

Project/Area Number 07807064
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

KATO Takeo  Yamagata University, school of Medicine, Assistant Professor, 医学部, 講師 (90194828)

Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1996: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1995: ¥1,100,000 (Direct Cost: ¥1,100,000)
KeywordsHIV / p17 / superoxide dismutase-2 / chromogranin B / brain / liver / endoplasmic reticulum / 23kDa蛋白質 / cDNA / ミトコンドリア
Research Abstract

In order to determine human protein (s) which cross-react with antibodies against the matrix proein (p17) of human immunodeficiency virus type 1 (HIV-1), we perfomed protein purification from and cDNA cloning, and obtained four new findings below.
1.The antibodies cross-reacted with some human proteins (more than one protein).
2.One proein was purified to homogeneity from human liver by using ammonium sulphate cut, gel filtration, ion exchange chromatography, and two-dimensional gel electrophoresis. The N-terminal amino acid sequence was KHSLPDLPYDYGALEPHINAQIMQLHHSKHHAAYVNNLNV.This sequence is completely consistent with that of human superoxide dismutase-2 (SOD-2). Both human SOD-2 and HIV-1p17 contain the hexapeptide : LQPALK which may serve as a common antigenic determinant.
3.By human liver cDNA library cloning with one of the antibodies above, we detected a novel protein (399 amino acids) which seems to be associated with endoplasmic reticulum (a human homologue to Drosophila translocation protein 1).
4.By cDNA library cloning from the hippocampus of Alzheimer's disease, we detected a protein which had a new sequence in the N-terninal portion. This protein also contained a sequence similar to that of chromogranin B in the C-terminal portion.

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] KATO,Takeo: "Antibodies to the HIV-1p17 protein cross-react with human superoxide dismutase-2." Biochem.Biophys.Res.Commun.230. 184-187 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] DAIMON,Makoto: "Identification of a human cNAD homologue to the Drosophila translocation protein 1(Dtrp1)." Biochem.Biophys.Res.Commun.230. 100-104 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Kato, T., et al.: "Antibodies to the HIV-1p17 protein cross-react with human superoxide dismutase-2" Biochem.Biophys.Res.Commun.230. 184-187 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Daimon, M., et al.: "Identification of a human cDNA homologue to the Drosophila translocation protein 1 (Dtrp 1)" Biochem.Biophys.Res.Commun.230. 100-104 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] KATO,Takeo: "Antibodise to the HIV-1p17 protein cross-react with human superoxide dismutase-2" Biochem.Biophys.Res.Commun.230. 184-187 (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] DAIMON,Makoto: "Identification of a human cDNA homologue to the Drosophila translocation 1 (Dtrp 1)." Biochem.Biophys.Res.Commun.230. 100-104 (1997)

    • Related Report
      1996 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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