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Heterosynaptic expression of depolarization-induced suppression of inhibition (DSI) in rat hippocampal cultures
http://hdl.handle.net/2297/1657
http://hdl.handle.net/2297/16578c6ef755-3dce-46a4-9855-d7ffd3ddcfa5
名前 / ファイル | ライセンス | アクション |
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HE-PR-SHOSAKU-NR2000.pdf (485.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Heterosynaptic expression of depolarization-induced suppression of inhibition (DSI) in rat hippocampal cultures | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Ohno-Shosaku, Takako
× Ohno-Shosaku, Takako× Sawada, Satsuki× Kano, Masanobu |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学大学院医学系研究科保健学専攻 | |||||
書誌情報 |
Neuroscience Research 巻 36, 号 1, p. 67-71, 発行日 2000-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1065-6995 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/s0168-0102(99)00110-8 | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Depolarization-induced suppression of inhibition (DSI) is a transient suppression of the inhibitory synaptic transmission, observed in the hippocampus and the cerebellum, upon postsynaptic depolarization. Using rat hippocampal cultures, we examined whether DSI is confined to the inhibitory synapses on the depolarized neuron or, if DSI can spread to those on neighboring non-depolarized neurons. Whole-cell recordings were performed in 108 neuronal pairs with the following synaptic responses. Stimulation of one neuron evoked the inhibitory autaptic currents (IACs) recurrently in that neuron and also elicited the inhibitory postsynaptic currents (IPSCs) orthodromically in the other neuron. In 38 of 108 pairs, the postsynaptic depolarization caused transient suppression of IPSCs (homosynaptic DSI). In 11 of the 38 pairs exhibiting the homosynaptic DSI, the depolarization also induced suppression of IACs (heterosynaptic DSI). The heterosynaptic DSI, like the homosynaptic DSI, depended on depolarizing pulse duration and was blocked by a phorbol ester. These results suggest that DSI can spread to the synapses on a neighboring non-depolarized neuron in rat hippocampal cultures. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.elsevier.com/locate/inca/506082 |