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  1. 医学部
  1. 医学部
  2. 学術雑誌掲載論文  (医学部)

Enhanced expression of glutamate-aspartate transporter (GLAST) mRNA in the hippocampus and frontal cortex of rats during kainic acid-induced seizure activity

http://hdl.handle.net/10458/2203
http://hdl.handle.net/10458/2203
2161de8b-e9e1-40c3-80db-b50edd9d15f8
名前 / ファイル ライセンス アクション
1-17b-2-7a.pdf 1-17b(2-7a).pdf (1.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-08-24
タイトル
タイトル Enhanced expression of glutamate-aspartate transporter (GLAST) mRNA in the hippocampus and frontal cortex of rats during kainic acid-induced seizure activity
言語 en
言語
言語 eng
資源タイプ
資源タイプ journal article
著者 Doi, Taku

× Doi, Taku

WEKO 8228

en Doi, Taku

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Ueda, Yuto

× Ueda, Yuto

WEKO 8016

en Ueda, Yuto

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Tokumaru, Jun

× Tokumaru, Jun

WEKO 8229

en Tokumaru, Jun

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Mitsuyama, Yoshio

× Mitsuyama, Yoshio

WEKO 8230

en Mitsuyama, Yoshio

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抄録
内容記述タイプ Abstract
内容記述 In vivo microdialysis measurement of extracellular amino acids during kainate (KA)-induced seizure shows an increase of glutamate. Glutamate transporters may regulate the extracellular glutamate concentration during epileptogenesis. We used Northern blotting to measure sequential changes of the glutamate-aspartate transporter (GLAST) mRNA expression in rat hippocampus and frontal cortex during KA-induced epileptogenesis. Systemic administration of KA to induce acute seizures increased GLAST mRNA expression in both the hippocampus and cortex. Enhancement of GLAST mRNA expression was also observed in a chronic seizure model induced by unilateral microinjection of kainic acid into the amygdaloid body. The level of expression increased just after injection of KA and continued to increase in rats sacrificed 1 day, 7 days and 30 days after injection. Thus we found that GLAST mRNA expression is induced by either a single seizure or by repetitive seizure activity. These results suggest that the failure to maintain glutamate and/or the GLAST protein at a normal level could be one of the causes of the molecular and cellular events responsible for the selective vulnerability of neurons during the process of KA-induced epileptogenesis.
言語 en
書誌情報 en : Journal of brain science
ja : 日本脳科学会会誌

巻 24, 号 1-2, p. 55-63, 発行日 1998
出版者
出版者 日本脳科学会
言語 ja
ISSN
収録物識別子タイプ ISSN
収録物識別子 13415301
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11081225
著者版フラグ
出版タイプ VoR
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