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Possible Production of Interleukin-1 Receptor Antagonist by Neuronal Stem Cells

Research Project

Project/Area Number 13671032
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Psychiatric science
Research InstitutionSaitama Medical University (2002)
Keio University (2001)

Principal Investigator

SHINTANI Futoshi  Saitama Medical University, Medicine, Neuropsychiatry, Professor, 医学部, 講師 (90276379)

Project Period (FY) 2001 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2002: ¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 2001: ¥1,800,000 (Direct Cost: ¥1,800,000)
KeywordsIL-1ra / neuronal stem cell / neurosphere / rat / brain
Research Abstract

We investigated whether neuronal stem cells produce interleukin-1 receptor antagonist (IL-1ra) in vitro by ELISA. Neuronal stem cells were prepared from the forebrain of embryos (Sprague-Dawley rat, E12), and were cultured in DMEM/F12 containing B27 supplement and growth factors, both 20 ng/ml of FGF-2 and 20 ng/ml of EGF, under a condition of 5% CO2 at 37 ℃. A cluster of cells obtained to be consequently larger than 50 m diameter was defined as a neurosphere. A neurosphere was dissociated by pippeting gently and was continued culturing for 10 days to obtain the next generation of neurospheres. Afterwards, each neurosphere was transferred into a well of 96-well culture plate containing 100 l of culture medium. Twenty microlitter of medium was collected every 24 hours, followed by addition of the same volume of fresh medium, for 4 days. The sample was stored at -80 ℃ until measurement of IL-1ra. After the last collection of the medium, number of cells alive in the neurosphere was counted. Amounts of IL-1ra were detected by using an ELISA kit, whose detection limit was 12 pg/ml. Production of IL-1ra was found in 6.7% neurosphere of 4-days culture. A concentration of IL-1ra was 1.58 pg/106 cells. It is not clear whether IL-1ra-producing cells were neuronal stem cells, because a neurosphere consists of not only neuronal stem cells but also progenitor cells. Number of neurospheres which were detected producing IL-1ra increased as the passage of culture up, in spite of uncharged concentration of IL-1ra. Since a neurosphere should be generated from a neuronal stem cell, this may be explained by considering that IL-1ra-producing neuronal stem cells could survive to generate the neurosphere without being selected out. Results suggest that a neuronal stem cell has a possible productivity of IL-1ra, and that IL-1ra may play a role in surviving the cell.

Report

(3 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] Shintani F, Yagi G, Kashima H: "Role of interleukin-1 receptor antagonist in stress response of rats"International Clinical Psychopharmacology. 17. S145 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Tanaka KF, Yagi G, Kashima H: "Increased levels of serum interleukin-18 in schizophrenia"International Clinical Psychopharmacology. 17. S19 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Wakita T, Yagi G, Kashima H: "Combination of inflammatory cytokines increases nitrite and nitrate levels in the paraventricular nucleus of conscious rats"International Clinical Psychopharmacology. 17. S153 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 新谷太, 山内俊雄: "神経幹細胞によるインターロイキン-1受容体アンタゴニストの産生の可能性"脳と精神の医学. 14(1). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Yagi G, Kashima H: "Role of interleukin-1 receptor antagonist in stress response of rats"International Clinical Psychopharmacology. Vol. 17. S145 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Tanaka KF, Yagi G, Kashima H: "Increased levels of serum interleukin-18 in schizophrenia"International Clinical Psychopharmacology. Vol. 17. S19 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Wakita T, Yagi G, Kashima H: "Combination of inflammatory cytokines increases nitrite and nitrate levels in the paraventricular nucleus of conscious rats"International Clinical Psychopharmacology. Vol. 17. S153 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Yamauchi T: "Production of Interleukin-1 receptor antagonist by neuronal stem cells"Psychiatry and Clinical Neurosciences. Vol. 14 (1). (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Shintani F, Yagi G, Kashima H: "Role of interleukin-1 receptor antagonist in stress response of rats"International Clinical Psychopharmacology. 17. S145 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Shintani F, Tanaka KF, Yagi G, Kashima H: "Increased levels of serum interleukin-18 in schizophrenia"International Clinical Psychopharmacology. 17. S19 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Shintani F, Wakita T, Yagi G, Kashima H: "Combination of inflammatory cytokines increases nitrite and nitrate levels in the paraventricular nucleus of-conscious rats"International Clinical Psychopharmacology. 17. S153 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 新谷太, 山内俊雄: "神経幹細胞によるインターロイキン-1受容体アンタゴニストの産生の可能性"脳と精神の医学. 14(1). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Wakita T, Shintani F, Yagi G, Asai M, Nozawa S: "Combination of inflammatory cytokines increases nitrite and nitrate levels in the paraventricular nucleus of conscious rats"Brain Research. 905(1-2). 12-20 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2001-04-01   Modified: 2016-04-21  

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