2008 Fiscal Year Final Research Report
Molecular pathology of epilepsy associated with mutations of voltage-gated sodium channel gene
Project/Area Number |
19790747
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Pediatrics
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Research Institution | The Institute of Physical and Chemical Research |
Principal Investigator |
OGIWARA Ikuo The Institute of Physical and Chemical Research, 神経遺伝研究チーム, 研究員 (30373286)
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Project Period (FY) |
2007 – 2008
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Keywords | てんかん / ナトリウムチャネル遺伝子 / インターニューロン / 脳・神経 / 神経科学 |
Research Abstract |
電位依存性ナトリウムチャネルα1サブユニット(SCN1A)遺伝子は、乳児重症ミオクロニーてんかん(あるいはDravet症候群)の責任遺伝子である。本研究は、抑制性インターニューロン特異的にSCN1A遺伝子を破壊し、この変異マウスにけいれん発作と突然死を認めた。以上の結果は、乳児重症ミオクロニーてんかんの発病機序がインターニューロンの機能不全とする申請者らの従来の仮説を支持した。
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Research Products
(14 results)
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[Journal Article] Patients with a sodium channel alpha 1 gene mutation show wide phenotypic variation2007
Author(s)
Osaka, H., Ogiwara, I., Mazaki, E., Okamura, N., Yamashita, S., Iai, M., Yamada, M., Kurosawa, K., Iwamoto, H., Yasui-Furukori, N., Kaneko, S., Fujiwara, T., Inoue, Y., Yamakawa, K
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Journal Title
Epilepsy Research 75(1)
Pages: 46-51
Peer Reviewed
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[Journal Article] Nav1.1 localizes to axons of parvalbumin-positive inhibitory interneurons: a circuit basis for epileptic seizures in mice carrying anScn1a gene mutation2007
Author(s)
Ogiwara, I., Miyamoto, H., Morita, N., Atapour, N,. Mazaki, E., Inoue, I., Takeuchi, T., Itohara, S., Yanagawa, Y., Obata, K., Furuichi, T., Hensch, T. K., Yamakawa, K
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Journal Title
Journal of Neuroscience 27(22)
Pages: 5903-14
Peer Reviewed
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[Presentation] Mutation analysis of the voltage-gated sodium channel alpha II gene in patients with early childhood intractable epilepsies2008
Author(s)
Ogiwara, I., Ito, K., Osaka, H., Mazaki, E., Inoue, I., Fujiwara, T., Inoue, Y., Kaneda, M., Yamakawa,K.
Organizer
Neuroscience 2008
Place of Presentation
Washington, D.C
Year and Date
20081100
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[Presentation] 乳児重症ミオクロニーてんかんモデルマウスにおける大脳皮質抑制性神経細胞の異常2007
Author(s)
荻原郁夫,森田規之,アタポアナフィセ,宮本浩行,井上育代,真崎恵美,柳川右千夫,小幡邦彦,ヘンシュ貴雄,古市貞一,山川和弘
Organizer
第41回日本てんかん学会
Place of Presentation
福岡
Year and Date
20071100
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[Presentation] Nav1.1 predominantly localizes to axons in the developing mouse brain2007
Author(s)
Ogiwara, I., Miyamoto, H., Morita, N., Atapour, N., Mazaki, E., Inoue, I., Itohara, S., Yanagawa, Y., Obata, K., Furuichi, T., Hensch, T.K., Yamakawa, K.
Organizer
Neuroscience 2007
Place of Presentation
San Diego
Year and Date
20071100
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[Presentation] Epileptic seizures in mice carrying a premature stop codon in the voltage-gated sodium channel alpha 1 gene: a model for human severe myoclonic epilepsy in infancy2007
Author(s)
Ogiwara, I., Miyamoto, H., Morita, N., Atapour, N., Mazaki, E., Inoue, I., Takeuchi, T., Itohara, S., Yanagawa, Y., Obata, K., Furuichi, T., Hensch, T. K., Yamakawa, K
Organizer
第30回日本神経科学大会サテライトシンポジウム
Place of Presentation
横浜
Year and Date
20070900
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[Presentation] Nav1.1 predominantly localizes to axons of parvalbumin-positive inhibitory interneurons: a circuit basis for epileptic seizures in Nav1.1-deficient mice2007
Author(s)
荻原郁夫,宮本浩行,森田規之,アタポアナフィセ,真崎恵美,井上育代,柳川右千夫,小幡邦彦,ヘンシュ K. 貴雄,古市貞一,山川和弘
Organizer
第30回日本神経科学大会
Place of Presentation
横浜
Year and Date
20070900
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