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Paracrine control by immune cells on the expression of gonadal function

Research Project

Project/Area Number 62480078
Research Category

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

Allocation TypeSingle-year Grants
Research Field 畜産学(含草地学)
Research InstitutionUniversity of Tokyo

Principal Investigator

KOHMOTO Kaoru  University of Tokyo, 農学部, 教授 (30011894)

Co-Investigator(Kenkyū-buntansha) SHIOTA Kunio  University of Tokyo, 農学部, 助教授 (80196352)
TAKAHASHI Eiji  University of Tokyo, 農学部, 助教授 (50183439)
DOI Kunio  University of Tokyo, 農学部, 助教授 (70155612)
KUBO Shuichiro  Hokkaido University, 獣医学部, 教授 (40001515)
TAKAHASHI Michio  University of Tokyo, 農学部, 教授 (30011943)
Project Period (FY) 1987 – 1988
Project Status Completed (Fiscal Year 1988)
Budget Amount *help
¥6,600,000 (Direct Cost: ¥6,600,000)
Fiscal Year 1988: ¥2,500,000 (Direct Cost: ¥2,500,000)
Fiscal Year 1987: ¥4,100,000 (Direct Cost: ¥4,100,000)
Keywordsmacrophage / paracrine control / luteal function / splenectomy / prolactin / 20 -hydroxysteroid dehydrogenase / splenocyte / プロラクチン / 脾臓細胞 / プロゲステロン / 20αヒドロキシステロイドデヒドロゲナーゼ / 黄体 / 卵巣 / プロジェステロン / 20αーダイハイドロプロジェステロン / 脾臓
Research Abstract

It can be taken that ovulation and luteinization are a local inflamatory reaction and succeeding trauma formation, respectively. At ovulation, macrophages invade into and stay in corpora lutea after luteinization. However, their function is not yet clear. To clarify the function, rats were splenectomized on different days of cycle, and the effect on ovulation was examined. Rats splenectomized in the morning of metestrus showed delay of ovulation by one day. On the day of diestrus their blood concentrations of progesterone and 20alpha-dihydroprogesterone were higher and lower than those in normally cycling rats, respectively. As high progesterone concentrations in the morning of diestrus prolong the appearance of LH surge which induces ovulation, the delay of ovulation after splenectomy may be caused by this high progesterone level.
This delay of ovulation by splenectomy on the day of metestrus is overcome by grafting of spleens from metestrous rats. These results suggest that splenocytes which invade into corpora lutea promote luteolysis. In rats, prolactin inhibits the regression of luteal function by inhibition of the activity of 20alpha-hydroxysteroid dehydrogenase in corpora lutea. This luteotropic actitivity of prolactin has not been confirmed in vitro. We examined this prolactin action by culturing luteal cells with macrophages. When luteal cells from pseudopregnant rats were cultured for 48 h with macrophages from metestrous rats, the inhibition of 20 -hydroxysteroid dehydrogenase by prolactin was observed. All these data suggest that function of luteal cells are under paracrine control of splenocytes including macrophages.

Report

(3 results)
  • 1988 Annual Research Report   Final Research Report Summary
  • 1987 Annual Research Report
  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Saito,S.;Matsuyama S.;Shiota,K.;Takahashi,M.: Endocrinologia Japonica. 35. (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Naito,K.;Takahashi,M.: Endocrinologia Japonica. 35. 439-446 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Imataka,H.;Suzuki,K.;Inano,H.;Kohmoto,K.;Tamaoki,B.: General and Comparative Endocrinology. 71. 413-418 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Imataka,H.;Suzuki,K.;Inano,H.;Kohmoto,K.;Tamaoki,B.: General and Comparative Endocrinology. 69. 153-162 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Matsuyama,S.;Ohta,M.;Takahashi,M.: Endocrinologia Japonica. 34. 849-855 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Kawaminami,M.;Takahashi,M.: Endocrinologia Japonica. 34. 37-44 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Takahashi,M.;Saito,S.;Matsuyama,S.: "Human Reproduction.Current Status/Future Prospect.Macrophages or the spleen effects on luteal cell steroidogenesis in vitro or in vivo." Elsevier Publishers B.V., 2 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Enami,J.;Enami,S.;Kawamura,K.;Kohmoto,K.;Hata,M.,Koga,M.: "Growth and Differentiation of Mammary Epithelial Cells in Culture. Growth of normal and neoplastic mammary epithelial cells of the mouse by mammary fibroblast-conditioned medium f" Growth and Differentiation of Mammary Japan Science Societies Press, 29 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Saito S; Matsuyama S; Shiota K; Takahashi M: "Involvement of splenocytes in the control of corpus luteum function in the rat." Endocrinologia Japonica. 35. (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Naito K; Takahashi M: "The effect of peritoneal macrophages on monolayerd luteal cell progestin secretion in the rat." Endocrinologia Japonica. 35. 439-446 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Imataka H; Suzuki K; Inano H; Kohmoto K; Tamaoki M: "Developmental changes of steroidogenic enzyme activities in the embryonic gonads of the chicken: The sexual difference." General and Comparative Endocrinology. 71. 413-418 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Imataka H; Suzuki K; Inano H; Kohmoto K; Tamaoki B: "Sexual differences of steroidogenic enzymes in embryonic gonads of the chicken (Gallus domesticus)." General and Comparative Endocrinology. 69. 153-162 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Matsuyama S; Ohta M; Takahashi M: "The critical period in which splenectomy causes functional disorder of the ovary in adult rats." Endocrinologia Japonica. 34. 849-855 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Kawaminami M; Takahashi M: "Induction of daily surges in rats by chronic treatment with progesterone." Endocrinologia Japonica. 34. 37-44 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Takahashi M; Saito S; Matsuyama S: Macrophages or the spleen effects on luteal cell steroidogenesis in vitro or in vivo. IN: Human Reproduction. Current Status/Future Prospect.Elsevier Publishers B.V., Excerpta Medica, (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Enami J; Enami S; Kawamura K; Kohmoto K; Hata M; Koga M: Grwoth of normal and neoplastic mammary epithelial cells of the mouse by mammary fibroblast-conditioned medium factor. IN: Growth and Differentiation. Japan Science Societies Press, 125-153 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Saito,S.;Matsuyama;S,Shiota,K.;Takahashi,M.: Endocrinol.Japon.35. (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Naito,K.,Takahasahi,M.: Endocrinol.Japon.35. 439-446 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Imataka,H.,Suzuki,K.,Inano,H.,Kohmoto,K.,Tamaoki,: Gen.Comp.Endocrinol.71. 413-418 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Imataka,H.;Suzuki,K.;Inano,H.;Kohmoto,K.;Tamaoki,: Gen.Comp.Endocrinl.69. 153-162 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Takahashi,M.;Saito,S.;Matsuyama,S.: "Human Reproduction Current Status/Future Prospect.Macrophages or the spleen effects on luteal cell steroidogenesis in vitro or in vivo." Elsevier Publeshers B.V., 179-180 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Shigemi MATSUYAMA;Mitsuaki OHTA;Michio TAKAHASHI: Endocrinologia Japonica. 34. 849-855 (1987)

    • Related Report
      1987 Annual Research Report

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Published: 1987-04-01   Modified: 2016-04-21  

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