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2008 Fiscal Year Final Research Report

Neurotoxicity of perinatal hypothyroidism in rats : Developmentsof brain function diagnosis by fMRI

Research Project

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Project/Area Number 19590619
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Public health/Health science
Research InstitutionHokkaido University

Principal Investigator

WADA Hiromi  Hokkaido University, 大学院・文学研究科, 教授 (90191832)

Co-Investigator(Kenkyū-buntansha) KIDA Ikuhiro  北海道大学, 大学院・歯学研究科, 助教 (60374716)
Research Collaborator YONEZAKI Kumiko  北海道大学, 大学院・文学研究科, 博士後期課程院生
HASEGAWA Masashi  北海道大学, 大学院・文学研究科, 修士課程院生
YUMOTO Shoko  北海道大学, 大学院・文学研究科, 修士課程院生
Project Period (FY) 2007 – 2008
Keywords甲状腺ホルモン / メチマゾール / ラット / プレパルス・インヒビション / MRI / 水迷路 / DRL
Research Abstract

甲状腺ホルモンを阻害されたラットは、行動を抑制できず、衝動的な傾向が観察された。新たなターゲットに、すばやく注意を切り替えることもできない。音刺激に対する閾値が上昇している可能性がある一方で、音に対する驚愕反射が増大しパニック傾向が見られた。空間的な位置関係に関する作業記憶の形成に、障害が見られた。海馬、脳の体積が縮小したが、海馬/脳の体積比には影響がなかった。

  • Research Products

    (20 results)

All 2009 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (9 results) Book (5 results)

  • [Journal Article] Hypothyroidism gives rise to panictendencies in response to auditorystartle stimuli in the rat:neurotoxicological potential ofpersistent organic pollutants2008

    • Author(s)
      Wada H, Yumoto S, and Iso H.
    • Journal Title

      Organohalogen Compounds 70

      Pages: 1016-1019

    • Peer Reviewed
  • [Journal Article] The deficit ofbehavioural inhibition is not improvedby methylphenidate in hypothyroid rats2008

    • Author(s)
      Hasegawa M and Wada H.
    • Journal Title

      Organohalogen Compounds 70

      Pages: 1363-1366

    • Peer Reviewed
  • [Journal Article] Impulsiveness ofhypothyroid rats shown in non-rewardedtrials2008

    • Author(s)
      Yonezaki K and Wada H.
    • Journal Title

      Organohalogen Compounds 70

      Pages: 2439-2442

    • Peer Reviewed
  • [Journal Article] Hypothyroidismdisrupts prepulse inhibition ofauditory startle response in rats2007

    • Author(s)
      Wada H. and Iso H.
    • Journal Title

      Organohalogen Compounds 69

      Pages: 2976-2979

    • Peer Reviewed
  • [Journal Article] Inability ofhypothyroid rats to shift attentionquickly in a target detection task2007

    • Author(s)
      Hasegawa M and Wada H.
    • Journal Title

      Organohalogen Compounds 69

      Pages: 2972-2975

    • Peer Reviewed
  • [Journal Article] Deficiency ofbehavioral inhibition in hypothyroidrats : A pilot study2007

    • Author(s)
      Yonezaki K and Wada H.
    • Journal Title

      OrganohalogenCompounds 69

      Pages: 2980-2983

    • Peer Reviewed
  • [Presentation] Hypothyroidism gives rise topanic tendencies in response toauditory startle stimuli in therat:Neurotoxicological potential ofpersistent organic pollutants2008

    • Author(s)
      Wada H
    • Organizer
      DIOXIN2008
    • Place of Presentation
      BirminghamInternational Convention Center,Birmingham, UK
    • Year and Date
      2008-08-19
  • [Presentation] The deficit of behaviouralinhibition is not improved bymethylphenidate in hypothyroid rats2008

    • Author(s)
      Hasegawa M
    • Organizer
      DIOXIN 2008
    • Place of Presentation
      Birmingham International ConventionCenter, Birmingham, UK
    • Year and Date
      2008-08-19
  • [Presentation] Impulsiveness ofhypothyroid rats shown innon-rewardedtrials2008

    • Author(s)
      Yonezaki K
    • Organizer
      DIOXIN 2008
    • Place of Presentation
      BirminghamInternational Convention Center,Birmingham, UK.
    • Year and Date
      2008-08-19
  • [Presentation] The effects of perinatalhypothyroidism on the attentionability in rats2008

    • Author(s)
      Hasegawa M
    • Organizer
      International Congress of Psychology
    • Place of Presentation
      International Congress Center Berlin,Berlin, Germany.
    • Year and Date
      2008-07-23
  • [Presentation] Developmental effects ofhypothyroidism on prepulse inhibitionin the rat2008

    • Author(s)
      Wada H
    • Organizer
      10^<th>InternationalSymposium of Neurobehavioral Methodsand Effects in Occupational andEnvironmental Health
    • Place of Presentation
      Hotel Ramada Herradura, San Jose,Costa Rica.
    • Year and Date
      2008-06-11
  • [Presentation] Hypothyroidism disruptsprepulse inhibition of auditorystartle response in rats2007

    • Author(s)
      Wada H
    • Organizer
      DIOXIN 2007
    • Place of Presentation
      Hotel Okura, Tokyo,Japan.
    • Year and Date
      2007-09-03
  • [Presentation] Inability of hypothyroidrats to shift attention quickly in atarget detection task2007

    • Author(s)
      Hasegawa M
    • Organizer
      DIOXIN 2007
    • Place of Presentation
      Hotel Okura, Tokyo,Japan
    • Year and Date
      2007-09-03
  • [Presentation] Deficiency of behavioralinhibition in hypothyroid rats : Apilot study2007

    • Author(s)
      Yonezaki K
    • Organizer
      DIOXIN 2007
    • Place of Presentation
      Hotel Okura, Tokyo,Japan
    • Year and Date
      2007-09-03
  • [Presentation] Hypothyroid rats showedgreater startle response to auditorystimulus2007

    • Author(s)
      Wada H
    • Organizer
      11th InternationalNeurotoxicology Association
    • Place of Presentation
      Asilomar Conference Center,Pacific Grove, CA, USA
    • Year and Date
      2007-06-14
  • [Book] 認知心理学-心のメカニズムを解き明かす2009

    • Author(s)
      和田博美
    • Publisher
      ミネルヴァ書房(印刷中)
  • [Book] 子どものこころを育む発達科学2009

    • Author(s)
      和田博美
    • Total Pages
      123-140
    • Publisher
      北大路書房
  • [Book] Persistent organic pollutants (POPS) research in Asia2008

    • Author(s)
      Wada H
    • Total Pages
      314-321
    • Publisher
      Yumoto S, and Iso H, ISEBU
  • [Book] Persistent organic pollutants (POPS) research in Asia2008

    • Author(s)
      Hasegawa M, Kida I, and Wada H
    • Total Pages
      246-250
    • Publisher
      ISEBU
  • [Book] Persistent organic pollutants (POPS) research in Asia2008

    • Author(s)
      Yonezaki K, and Wada H
    • Total Pages
      338-342
    • Publisher
      ISEBU

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Published: 2010-06-10   Modified: 2016-04-21  

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