CNTNAP2の欠如は,,ニューロン移動異常,および自閉症に関連するコア欠乏症につながる
Olga Peñagarikano1, Brett S Abrahams, Edward I Herman
1Program in Neurogenetics, Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA.
Cell
|October 4, 2011
まとめ
Cntnap2遺伝子が欠けているマウスは,自閉症スペクトル障害 (ASD) のコア行動,発作,および異常な脳発達を示す. リスペリドン治療は,これらのCntnap2 (((-/-) マウスの繰り返し行動を改善しました.
科学分野:
- 神経科学は神経科学である.
- 遺伝学 遺伝学とは
- 発達生物学 発達生物学とは
背景:
- 自閉症スペクトル障害 (ASD) の遺伝子は複雑で,生物学的メカニズムは不明です.
- CNTNAP2遺伝子変異は,ASDおよび神経発達障害と密接に関連しています.
- マウスモデルは,遺伝子の機能を理解し,ASDの治療法を開発するために不可欠です.
研究 の 目的:
- Cntnap2のノックアウトマウスモデルをASDとの関連性について特徴づける.
- Cntnap2欠乏の神経病理学的および生理学的結果を調査する.
- このモデルでASDに関連する行動に対する潜在的な治療的介入を評価する.
主な方法:
- 生成されたCntnap2ノックアウトマウス (Cntnap2(-/-)).
- 主要なASD領域における行動的欠陥の評価,多動性,および発作.
- 脳の発達とニューロンの活動に関する神経病理学的および生理学的分析を行った.
- リスペリドンを投与し,繰り返しの行動に対する治療効果を評価した.
主要な成果:
- Cntnap2(-/-) マウスはASDのコア行動,多動性,発作の欠陥を示した.
- 神経病理学的発見には,異常なニューロン移動,内部ニューロンの減少,および発作前のネットワーク活動の変化が含まれています.
- リスペリドン治療は,Cntnap2 (((-/-) マウスの標的化された繰り返しの行動を有意に改善しました.
結論:
- CNTNAP2は,正常な脳の発達において重要な役割を果たします.
- Cntnap2のノックアウトマウスは,ASDのメカニズムを研究するための貴重なモデルです.
- このモデルは,新しいASD治療法の臨床前試験のためのプラットフォームを提供します.
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