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老化促進モデルマウス(SAM)の痴呆行動に及ぼす神経ペプチド(NPY)の分子生物学的研究

Research Project

Project/Area Number 01570642
Research Category

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

Allocation TypeSingle-year Grants
Research Field 内分泌・代謝学
Research InstitutionKobe University

Principal Investigator

乾 明夫  神戸大学, 医学部, 助手 (80168418)

Co-Investigator(Kenkyū-buntansha) 吉田 泰昭  神戸大学, 医学部附属病院, 助手 (60135796)
老籾 宗忠  神戸大学, 医学部, 助教授 (80030857)
Project Period (FY) 1989 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1990: ¥300,000 (Direct Cost: ¥300,000)
Fiscal Year 1989: ¥1,800,000 (Direct Cost: ¥1,800,000)
KeywordsPPファミリ-ペプチド / 脳内受容体 / SAMマウス / 学習行動 / 摂食行動 / CCK / 視床下部・下垂体・副腎系 / 分子生物学
Research Abstract

1.マウスの摂食.学習行動に対する神経ペプチドの作用
全くの無麻酔下での摂食及び学習行動の評価系は、前年度に確立し、報告した。
ペプチドに関しては
1)Panrreatic Polypegtide(PP)ファミリ-ペプチドと称されるPP,Neuropeptide Y(NPY)。Peptide YY(PYY)の摂食・学習行動に及ぼす影響は、fragmentを用いた実験を含め終了した。PYYが最強の摂食促進物質であり、NPYの作用は学習行動(保持)にむしろ強く、おそらくは受容体レベルでの作用の多面性が考えられた。
2)Cholecyitokinin(CCK)は強力な摂食抑制物質であるが、現在CCKの摂食行動やアニメックスを用いて行動解析を、CCKの誘導体や拮抗物質を用いて詳細に検討中である。
2.神経ペプチドの佑用機構.特に受容体
1)PPファミリ-ペプチド
脳内PYY受容体の解析を、その可溶化やリセプタ-ファミリ-としての存在を明らかにした。
2)SAMマウスにおける受容体異常に関しては、特にPYY受容体に関して検討中であるが、現在までのところ明確な異常を見出していない。

Report

(2 results)
  • 1990 Annual Research Report
  • 1989 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Nakajima Masaharu: "Effects of PP family peptides on learning and feeding behaviors in the mouse"

    • Related Report
      1990 Annual Research Report
  • [Publications] Nakajima Masaharu: "Effects of PP family peptides on learning and feeding behaviors in the mouse" Yoshiaki,Hirosue:

    • Related Report
      1990 Annual Research Report
  • [Publications] Nakajima Masaharu: "Effects of neuropeptide Y and its related peptides on feeding and learning behlviors in the mouse" Ann.N.Y.Acad.Sci.611. 486-488 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Inui Akio: "Peptide YY receptors in mammalian and avian brains" Ann.N.Y.Acad.Sci.611. 350-352 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Inui Akio: "Peptide YY receptors in mammalian and avian brains" Ann.N.Y.Acad.Sci.611. 350-352 (1990)Yoshiaki Hirosue:

    • Related Report
      1990 Annual Research Report
  • [Publications] Inui Akio: "Neuroendocrine Peripectives (vol.8)" Springerーverlag, 40 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Inui Akio: "Neuropeptide regulation of feeding in the day" An J Physiol.

    • Related Report
      1989 Annual Research Report
  • [Publications] Inui Akio: "Characterization of the receptors for peptide YY and avian pancreatic polypeptide in the chickin and pig brains" Endocrinology.

    • Related Report
      1989 Annual Research Report
  • [Publications] Nakajima Masaharu: "Negative and positive affections on memory formation of the mouse as observed in passive avoidance and escape test paradigm:Effects of intracerelxoventradarly injected scopolamine" Brain Res.

    • Related Report
      1989 Annual Research Report
  • [Publications] Inui Akio: "Effect of cholecystokinin octapeptide analogues on food intake in the dog" An J.Physiol. 257. R946-R951 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Inui Akio: "Characterrization of peptide YY receptors in the brain" Endocrinology. 124. 402-409 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Inui Akio: "Brain neuropeptide Y in the control of adrenocorticotropic hormone secretion in the dog" Brain Res. 510. 211-215 (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] Baba Shigeki: "Diabetes 1988" Excerpta Medica, 1243 (1988)

    • Related Report
      1989 Annual Research Report
  • [Publications] Inui Akio: "Neuroendocrine Perspectives(vol8,in press)" SpringerーVerlag, (1990)

    • Related Report
      1989 Annual Research Report

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Published: 1989-04-01   Modified: 2016-04-21  

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