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SUBCLASSIFICATION OF HUMAN PARATHYROID ADENOMA-ANALYSIS OF GENE EXPRESSION AND CELL PROLIFERATING PHASE-

Research Project

Project/Area Number 02670700
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Urology
Research InstitutionFACULTY OF MEDICINE, THE UNIVERSITY OF TOKYO

Principal Investigator

MORIYAMA Nobuo.M.D.  FACULTY OF MEDICINE,BRANCH HOSPITAL THE UNIVERSITY OF TOKYO,DEPARTMENT OF UROLOGY,ASSISTANT PROFESSOR, 医学部(分), 講師 (80143501)

Co-Investigator(Kenkyū-buntansha) HOSAKA Yoshio.M.D.  TOKYO TEISHIN HOSPITAL DEPARTMENT OF UROLOGY GOVERNMENT OFFICER, 郵政省技官 (80114635)
Project Period (FY) 1990 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1992: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1991: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1990: ¥800,000 (Direct Cost: ¥800,000)
KeywordsPARATHYROID ADENOMA / PCNA / CYCLINE / ERBB2 / LECTIN / IMMUNOHISTOCHEMISTRY / Cyclin / cーerbB2 / 遺伝子増幅 / cーerbB_2遺伝子産物 / 免疫組識化学 / 原発性副甲状腺機能亢進症 / 組織細胞化学
Research Abstract

SUBCLASSIFICATION OF PARATHYROID ADENOMA WAS ATTEMPTED IN THE FOLLOWING THREE POINTS : 1) EXPRESSIONS OF SUGAR CHAIN OF THE CELLMEMBRANE,2) ANALYSIS OF ONCOGENE,AND 3) CELL PROLIFERATION.
1) THE BINDING SITES OF LECTINS IN PARATHYROID GLANDS WERE DETERMINED BY AN IMMUNOHISTOCHEMICAL METHOD IN NORMAL PARATHYROID GLAND,HYPERPLASIA,ADENOMA AND CARCINOMA.THE USED LECTINS WERE COMMERCIALLY AVAILABLE SBA,CON-A, WGA,RCA,BSA II AND PNA.FOR NORMAL PARATHYROID GLANDS (2 CASES) AND HYPERPLASIA (2 CASES), WGA AND BSA II WERE STAINED IN CYTOPLASM AND CELL MEMBRANE.FOR CARCINOMA (1 CASE), ALL LECTINS BUT BSA II WERE STAINED.IN PARTICULAR,SBA REVEALED STRONGER STAIN THAN HYPERPLASIA AND ADENOMA.FROM THE STAINING PATTERNS OF LECTINS,IT WAS SUGGESTED THAT ADENOMAS (22 CASES) ARE DIVIDED INTO ONE GROUP SIMILAR TO CARCINOMA AND ANOTHER TO NORMAL PARATHYROID GLAND AND HYPERPLASIA GROUPS (DOI ET AL., 1991).
2) TO EXAMINE WHETHER OR NOT A PART OF HUMAN PARATHYROIDAL ADENOMAS HAVE A MALIGNANT POTENTIAL,15 PARA … More THYROID TUMORS INCLUDING 13 ADENOMAS,1 HYPERPLASIA AND 1 ADENOCARCINOMA WERE STUDIED FOR THE AMPLIFICATION OF THE C-ERBB2 PROTO-ONCOGENE.ELEVEN ADENOMAS OF THESE TUMORS WERE ALSO EVALUATED FOR THE IMMUNOHISTOCHEMICAL EXPRESSION OF THE C-ERBB2 GENE PRODUCT.THE AMPLIFICATION OF THE C-ERBB2 PROTO-ONCOGENE (2-FOLD OR MORE GREATER THAN CONTROL) WAS RECOGNIZED IN 3 ADENOMAS (23.1% OF ALL ADENOMAS) AND 1 ADENOCARCINOMA AS COMPARED TO A POOLED HUMAN NORMAL PLACENTA,WHICH SERVED AS CONTROL.SIX OUT OF 11 PARATHYROID ADENOMAS (54.5%) REVEALED THE IMMUNOHISTOCHEMICAL EXPRESSION OF THE C-ERBB2 GENE PRODUCT ON THE CELL MEMBRANE AND IN THE CYTOPLASM.THREE ADENOMAS (27.2%) SHOWED THE STRONGLY POSITIVE (++) STAINING AND THE OTHER 3 ADENOMAS (27.2%) SHOWED THE WEAKLY POSITIVE (+) STAINING.THE 2 CASES HAVING THE AMPLIFICATION OF THE C-ERBB2 PROTO-ONCOGENE ALSO REVEALED THE STRONGLY POSITIVE STAINING.THE C-ERBB2 PROTO-ONCOGENE,WHICH HAS BEEN REPORTED TO BE AMPLIFIED OR EXPRESSED IN SOME ADENOCARCINOMAS,MIGHT BE ASSOCIATED WITH THE INITIATION AND PROGRESSION OF SOME PARATHYROID ADENOMAS.THE PRESENT FINDINGS MIGHT SUGGEST THAT SOME PARATHYROID ADENOMAS COULD HAVE A MALIGNANT POTENTIAL (MORIYAMA ET AL., 1992).
3) PARAFFIN-EMBEDDED SECTIONS OF PARATHYROID ADENOMA FROM 27 PATIENTS WITH PRIMARY HYPERPATHYROIDISM WERE EXAMINED FOR THE EXPRESSION OF PROLIFERATING CELL NUCLEAR AN TIGEN (PCNA). PCNA WAS EXPRESSED ON THE NUCLEI OF THE ADENOMA CELLS.THE SIZE OF ADENOMAS WAS NOT RELATED TO THE POSITIVE RATE FOR PCNA, WHILE THE PREOPERATIVE SERUM CALCIUM LEVEL AND POSITIVE RATE FOR PCNA REVEALED STATISTICALLY THE LINEAR REGRESSION (Y=0.42X-3.96, P<0.05). MEAN OF SERUM CALCIUM LEVEL IN THE GROUP IN WHICH POSITIVE RATE OF PCNA WAS MORE THAN 1.0%WAS STATISTICALLY HIGHER THAN THAT IN THE GROUP IN WHICH POSITIVE RATE OF PCNA WAS LESS THAN 1.0% (P<0.05) (KURIMOTO ET AL., 1993).
IN SUMMARY,PARATHYROID ADENOMA COULD BE CLASSIFIED AT LEAST INTO TWO TYPES, THE FORMER ANALOGOUS TO THE CARCINOMA, WHILE THE LATTER SHOWING SIMILAR TENDENCY TO THE HYPERPLASIA. Less

Report

(4 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • 1990 Annual Research Report
  • Research Products

    (17 results)

All Other

All Publications (17 results)

  • [Publications] 土井直人,森山信男 他: "副甲状腺組織のレクチン局在-原発性副甲状腺機能亢進症の検討-" 日泌尿会誌. 82. 572-578 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Moriyama,N.et al.: "Amplification of c-erbB2 proto-oxcogene and immuno histochemical expression of c-erbB2 gene product in parathyroid tumors" Acta Histochem.Cytochem.25. 421-429 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Aso,Y.,Moriyama,N.et al.: "Confribution of histocytochemistry to the urological field" Acta Histochem.Cytochem.25. 547-556 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Nagase,Y.,Kurimoto,S.Moriyama,N.et al.: "Ultrastructual observation of a care of porothyroid careinoma." J.Clin.Electron Microscopy. 25. 656-657 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kurimoto,S.,Moriyama,N.et al.: "Expression of proliferoting cell nuclear antigen (PCNA) in human parathyroid aclenoma" Acta Histochem.Cytochem.26(in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] DOI,N., MORIYAMA,N., HOSAKA,Y., ET AL.: JPN.J.UROL. 82. 572-578 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] MORIYAMA,N., HIGASHIHARA,E., UEKI,T., ET AL.: ACTA.HISTOCHEM.25. 421-429 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] NAGASE,Y., KURIMOTO,S., MORIYAMA,N., ET AL.: J CLIN.ELECTRON MICROSCOPY. 25. 656-657 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] ASO,Y., MORIYAMA,N.AND KITAMURA,T.: ACTA HISTOCHEM.CYTOCHEM.25. 547-556 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] KURIMOTO,S., MORIYAMA,N., NAGASE,Y., ET AL.: ACTA HISTOCHEM.CYTOCHEM.26(IN PRESS.). (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 土井 直人,森山 信男 他: "副甲状腺組織のレクチンの局在ー原発性副甲状腺機能亢進症の検討ー" 日泌尿会誌. 62. 572-578 (1991)

    • Related Report
      1992 Annual Research Report
  • [Publications] Moriyama,N.et al: "Amplification of c-erb B_2 proto-oncogene and immunohistochemical expression of c-erb B_2 gene product in parothyroid tumors." Acta.Histochem.Cytochemi. 25. 421-429 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Moriyama,N.et al: "Immunohistochemical analysis of the expression of ras oncogenes in human renol cell carcinomas" Acta.Histochem.Cytochemi. 25. 591-599 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Aso,Y.,Moriyama,N. et al: "Contribution of Ristocy to chemistry to the usological field." Acta.Histochem.Cytochemi. 25. 547-556 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 土井 直人,森山 信男,他: "副甲状腺組織のレクチンの局在ー原発性副甲状腺機能亢進症の検討ー" 日泌尿会誌. 62. 572-578 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] Moriyama,N.,et al.: Acta.Histochem.Cytochemi. 25. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] 土井 直人: "副甲状腺組織のレクチンの局在 ー原発性副甲状腺機能亢進症症例の検討ー" 日本泌尿器科学会誌.

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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