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分子病態を基本とした前頭葉てんかんに対する薬力学的個別化治療の開発

Research Project

Project/Area Number 18659330
Research Category

Grant-in-Aid for Exploratory Research

Allocation TypeSingle-year Grants
Research Field Psychiatric science
Research InstitutionMie University (2007)
Hirosaki University (2006)

Principal Investigator

岡田 元宏  Mie University, 大学院・医学系研究科, 教授 (10281916)

Co-Investigator(Kenkyū-buntansha) 上野 伸哉  弘前大学, 大学院・医学研究科, 教授 (00312158)
森 文秋  弘前大学, 大学院・医学研究科, 准教授 (60200383)
朱 剛  弘前大学, 大学院・医学研究科, 助教 (80400133)
城山 隆  三重大学, 医学部附属病院, 講師 (00252354)
元村 英史  三重大学, 医学部附属病院, 講師 (10324534)
福澤 雅志  弘前大学, 農学生命科学部, 助教授 (10231557)
森山 朋子  弘前大学, 医学部, 助手 (90400134)
Project Period (FY) 2006 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2007: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 2006: ¥1,700,000 (Direct Cost: ¥1,700,000)
Keywordsてんかん / 遺伝子 / 分子生物学 / 神経伝達
Research Abstract

家族性及び孤発性てんかん患者から発見された遺伝子変異を導入した遺伝子改変モデル動物を作出し,表現的妥当性(てんかん発作症状が人てんかん患者の発作と同等であるか否か)、構造的妥当性(予測される病態が人と同等であるか否か)、予測的妥当性(人患者への治療反応性が同等であるか否か)を評価し,本遺伝子改変モデル動物がてんかんモデル動物として,表現的、構造的、予測的妥当性を獲得したモデル動物であることを証明した。続いて,この遺伝子改変モデル動物の発症週齢前後における遺伝子発現の変異をマイクロアレイ及びreal-time PCR,蛋白合成の変異をwestern blotting及び免疫化学染色法,情報伝達機能変異をin vivomicrodialysis,slice patch-clamp,optical MED64systemを用いて手解析し,分子基盤の構成変異が中枢神経系機能性疾患発症の必要条件であることを明らかにした。発症前の遺伝子発現変異解析に従った,遺伝子発現変異の機能的補正を実現しうる低分子化合物のスクリーニングを行い,発症前期からの候補物質"A"の投与によって,発症を抑制する可能性を示唆する結果を得た。新たに作出した3種類の遺伝子を導入したトランスジェニックラットと1種類のノックインマウスも同様の解析手法を用いて,新たな治療法の確立に寄与する研究ストラテジーの構築に展開したい。

Report

(2 results)
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (10 results)

All 2008 2007 2006

All Journal Article (10 results) (of which Peer Reviewed: 6 results)

  • [Journal Article] Associations between psychotic-like experiences and mental health status and other psychopathologies among Japanese early teens.2008

    • Author(s)
      Nishida A, Tanii H, Nishimura Y, Kajiki N, Inoue K, Okada M, Sasaki T, Okazaki Y.
    • Journal Title

      Schizophr Res (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Carbamazepine prevents breakdown of neurotransmitter release induced by hyperactivation of ryanodine receptor.2007

    • Author(s)
      Yoshida S, Okada M, ZhuG, Kaneko S.
    • Journal Title

      Neuropharmacology 52

      Pages: 1538-1546

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Staphylococcal enterotoxin induces emesis through increasing serotonin release in intestine and it is downregulated by cannabinoid receptor 1.2007

    • Author(s)
      Hu Dl, Zhu G, Mori F, Omoe K, Okada M, Wakabayashi K, Kaneko S, Shinagawa K, Nakane A.
    • Journal Title

      Cell Microbiol 9

      Pages: 2267-2277

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Frontal dysfUnction during a cognitive task in drug-naive patients withpanic disorder as investigated by multi-channel near-infrared spectroscopy imaging.2007

    • Author(s)
      Nishimura Y, Tanii H, FukudaM, Kajiki N, Inoue K, Kaiya H, Nishida A, Okada M, Okazaki Y.
    • Journal Title

      Neurosci Res. 59

      Pages: 107-112

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Molecular basis for the GABAA receptor-mediated tonic inhibition in ratsomatosensory cortex.2007

    • Author(s)
      Yamada J, Furukawa T, Ueno S Yamamoto S, Fukuda A.
    • Journal Title

      Cereb Cortex 17

      Pages: 1782-1787

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Insertion of alpha7 nicotinicreceptors at neocortical layer VGABAergicsynapses is induced by abenzodiazepine,midazolam.2007

    • Author(s)
      Yamamoto S, Yamada J, Ueno S, Kubota H, Furukawa T, Yamamoto S, Fukuda A.
    • Journal Title

      Cereb Cortex 17

      Pages: 653-660

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of interleukin-1beta on hippocampal glutamate and GABA releases associated with Ca2+-induced Ca2+ releasing systems.2006

    • Author(s)
      Zhu, G.et al.
    • Journal Title

      Epilepsy Res 71

      Pages: 107-107

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Regulation of Dictyostelium prestalk-specific gene expression by a SHAQKY family MYB transcription factor. Development.2006

    • Author(s)
      Fukuzawa, M.et al.
    • Journal Title

      Development 133

      Pages: 439-439

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Molecular Basis for the GABAA Receptor-Mediated Tonic Inhibition in Rat Somatosensory Cortex.2006

    • Author(s)
      Yamada, J.et al.
    • Journal Title

      Cereb Cortex

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Insertion of {alpha}7 Nicotinic Receptors at Neocortical Layer V GABAergic Synapses Is Induced by a Benzodiazepine, Midazolam.2006

    • Author(s)
      Yamada, J.et al.
    • Journal Title

      Cereb Cortex

    • Related Report
      2006 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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