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ヒト癌細胞に対するホルモン感受性試験の開発とその臨床応用

Research Project

Project/Area Number 02670551
Research Category

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

Allocation TypeSingle-year Grants
Research Field General surgery
Research InstitutionResearch Institute, International Medical Center of Japan (1992)
Kyushu University (1990-1991)

Principal Investigator

松岡 秀夫  国立病院医療センター, 臨床研究部, 研究員 (20209513)

Co-Investigator(Kenkyū-buntansha) 上尾 裕昭  九州大学, 生体防御医学研究所, 助教授 (70150430)
Project Period (FY) 1990 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥2,500,000 (Direct Cost: ¥2,500,000)
Fiscal Year 1992: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1991: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1990: ¥700,000 (Direct Cost: ¥700,000)
Keywords接触阻止能 / 感受性試験 / 乳癌 / ホルモン / エストロゲン・レセプター(ER) / タモキシフェン(TAM) / PCNA / C-myc / E_2(エストラジオ-ル) / TAM(タモキシフェン) / Pg(プロゲステロン) / ER / PgR / estrogen receptor
Research Abstract

感受性試験法の確立:正常Balblc3T3細胞のconfluent monolayerは接触阻止能を有し、このlayer上では、正常細胞の増殖は抑制され、癌細胞のみの増殖が得られる事を基礎実験にて確かめ、このmonolayerをcontact-sensitive plate(CSP)と名付けた。 臨床癌組織のホルモン感受性:CSP上に臨床癌組織より得られた細胞浮遊液をinoculateし、48時間培養して正常細胞の増殖が抑制された後に、ヒト血中濃度にそくしたホルモン剤を培養液中に添加して、更に48時間培養した。その後、[^3H]thymidineで8時間labelし、癌細胞の増殖率の変化を定量的に測定した。その結果、54例の乳癌症例の内、E_2によって増殖が促進された症例は24例(44%)、抑制された症例は19例(35%)であった。また、TAMによって増殖が抑制された症例は22例で、その内の20例(91%)がE_2によって増殖が促進された症例であった。一方、ER(+)症例35症例中では、わずか、18例(51%)しかTAMによって抑制されなかった。以上の事より臨床乳癌細胞のTAMresponseはE_2 responseによりdependしている事がわかった。また、E_2により増殖が抑制された症例中17例(89%)がエストラサイトによって、19例(100%)がエストラブシルによって増殖が抑制された。臨床食道癌症例6例中4例がE_2によって増殖が抑制された。ホルモン依存性癌細胞のgene expression:E_2によって増殖が促進される MCF-7では、E_2投与によりG_2+M期の延長がみられ、PCNAやC-myc geneの発現が増強された。一方、E_2によって増殖が抑制されるKSE-1(食道癌株化細胞)では、E_2投与によって倍加時間が16時間から27時間に延長し、S期の短縮、G_1+G_0期、M期の延長が生じた。そして、PCNA、P53、C-myc geneの発現が抑制された。

Report

(3 results)
  • 1992 Annual Research Report
  • 1991 Annual Research Report
  • 1990 Annual Research Report
  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] H.Matsuoka et.al.: "Potentiation of cytotoxicity of 5'-deoxy-5-fluorouridine by folinic acid in low-dose and long-period Cultures" Cancer Thera.Cont.2. 269-273 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Matsuoka et.al.: "Preliminary evidence that Incorporation of 5-fluorouradil into RNA Correlates with antitumor response" Cancor Inv.10. 265-269 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Matsuoka et.al.: "Enhancement of cyto to xicity by hypertherm after a long-term culture with 5-fluorouracil in transformed cells" Anticancer Res.12. 1621-1626 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Matsuoka et.al.: "Tamoxifew response shows a closer relation with estradiol sensitivity than with both estrogen receptor and progesterone receptor status in clinical breast carcinoma" Proc.Am.Assoc.Cancer Res.33. 268- (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 松岡 秀夫 他: "臨床の再発癌細胞に対するCPT-11感受性試験の検討" 日本外科学会雑誌. 11. 1451- (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Matsuoka: "Charsterization of human esophageal carcinoma cell line established on confluent monolayer" Pathobiology. 59. 76-84 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] H.Matsuoka: "Feasibility of estradiol and tamoxifen sensitivity test using contactーsensitive plates for clinical freast carcinoma" Proc.Am.Assoc.Cancer Res.32. 209 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] H.Matsuoka: "Potentiation of Cytotoxicity of 5'ーdeoxyー5ーfluorouridine by folinic acid in lowーdose and longーperiod culture" Cancer Thera.Cont.

    • Related Report
      1991 Annual Research Report
  • [Publications] H.Matsuoka: "Influence of various agents upon contactーsensitive plates of confluent Balb/c 3T3 cell monolayers" Med.Sci.Res.19. 655-657 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] H.Matsuoka: "Feasibility of 5ーfluorouracil measurement in RNA of carcinomafissue administered FVra before surgical operation" Cancer Inv.

    • Related Report
      1991 Annual Research Report
  • [Publications] H.Matsuoka: "Discrepancy between estrogen receptor status and estradiolーproliferation in clinical breast corcinoma" Endocrinology.

    • Related Report
      1991 Annual Research Report
  • [Publications] 松岡 秀夫: "Contactーsensitive plate(CSP)を用いた乳癌のE_2/TAM 感受性試験の開発と意義" 日本外科学会雑誌. (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] Matsuoka,H.et al.: "Estradiol sensitivity test using contactーsensitive plates of confluent BALB/c 3T3 cell monolayers" Cancer research. 50. 2113-2118 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Matsuoka,H.et al.: "Role of confluent monolayer surfaces on the growth of a newly established human esophageal carcinoma cell line" In Vitro. 26. 741-742 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Matsuoka,H.et al.: "Screening test for hormone sensitivity by the autoradiographic method using cell mats" Am.J.Clin.Oncol.13. 70-74 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Matsuoka,H.et al.: "Growth of cells superinoculated onto irradiated and nonirradiated confluent monolayers" Sem.Surg.Oncol. 6. 48-52 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Ueo,H.and Matsuoka,H.: "Inhibitory effects of estrogen on the growth of a human esophageal carcinoma cell line" Cancer research. 50. 7212-7215 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Ueo,H.,Matsuoka,H.et al.: "Estrogen receptor status and effects of endocrine ablative surgery in ethyl methanesulphonateーinduced rat mammary carcinoma." Cancer Lett.51. 151-155 (1990)

    • Related Report
      1990 Annual Research Report

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

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