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dc.contributor.author이창준-
dc.contributor.author남민호-
dc.contributor.author우준성-
dc.contributor.authorNara Shin-
dc.contributor.authorDong Woon Kim-
dc.contributor.authorHyunsill Cho-
dc.contributor.authorByeong Hwa Jeon-
dc.contributor.authorHyun­Woo Kim-
dc.contributor.author박진봉-
dc.contributor.authorSudip Pandit-
dc.contributor.authorChiranjivi Neupane-
dc.contributor.authorRamesh Sharma-
dc.contributor.authorGyu­Seung Lee-
dc.contributor.authorMin­Hee Yi-
dc.date.accessioned2020-01-25T15:30:02Z-
dc.date.available2020-01-25T15:30:02Z-
dc.date.issued2019-12-
dc.identifier.issn0894-1491-
dc.identifier.other54367-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/63088-
dc.description.abstractTonic extrasynaptic GABAA receptor (GABAA R) activation is under the tight control of tonic GABA release from astrocytes to maintain the brain's excitation/inhibition (E/I) balance-
dc.description.abstractany slight E/I balance disturbance can cause serious pathological conditions including epileptic seizures. However, the pathophysiological role of tonic GABA release from astrocytes has not been tested in epileptic seizures. Here, we report that pharmacological or genetic intervention of the GABA-permeable Bestrophin-1 (Best1) channel prevented the generation of tonic GABA inhibition, disinhibiting CA1 pyramidal neuronal firing and augmenting seizure susceptibility in kainic acid (KA)-induced epileptic mice. Astrocyte-specific Best1 over-expression in KA-injected Best1 knockout mice fully restored the generation of tonic GABA inhibition and effectively suppressed seizure susceptibility. We demonstrate for the first time that tonic GABA from reactive astrocytes strongly contributes to the compensatory shift of E/I balance in epileptic hippocampi, serving as a good therapeutic target against altered E/I balance in epileptic seizures.-
dc.publisherGLIA-
dc.titleBestrophin1-mediated tonic GABA release from reactive astrocytes prevents the development of seizure-prone network in kainate-injected hippocampi.-
dc.typeArticle-
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