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Effects of Dopamine D2 Receptor Partial Agonist Antipsychotic Aripiprazole on Dopamine Synthesis in Human Brain Measured by PET with L-[beta-11C]DOPA
https://repo.qst.go.jp/records/47222
https://repo.qst.go.jp/records/4722283fee610-47fd-431b-b314-f59a73d1b1f1
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-08-06 | |||||
タイトル | ||||||
タイトル | Effects of Dopamine D2 Receptor Partial Agonist Antipsychotic Aripiprazole on Dopamine Synthesis in Human Brain Measured by PET with L-[beta-11C]DOPA | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Ito, Hiroshi
× Ito, Hiroshi× Takano, Harumasa× Arakawa, Ryosuke× Takahashi, Hidehiko× Kodaka, Fumitoshi× Takahata, Keisuke× Nogami, Tsuyoshi× Suzuki, Masayuki× Suhara, Tetsuya× 伊藤 浩× 高野 晴成× 荒川 亮介× 高橋 英彦× 小高 文聰× 高畑 圭輔× 野上 毅× 鈴木 雅之× 須原 哲也 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Dopamine D2 receptor partial agonist antipsychotic drugs can modulate dopaminergic neurotransmission as functional agonists or functional antagonists. The effects of antipsychotics on presynaptic dopaminergic functions, such as dopamine synthesis capacity, might also be related to their therapeutic efficacy. Positron emission tomography (PET) was used to examine the effects of the partial agonist antipsychotic drug aripiprazole on presynaptic dopamine synthesis in relation to dopamine D2 receptor occupancy and the resulting changes in dopamine synthesis capacity in healthy men. On separate days, PET studies with [11C]raclopride and L-[beta-11C]DOPA were performed under resting condition and with single doses of aripiprazole given orally. Occupancy of dopamine D2 receptors corresponded to the doses of aripiprazole, but the changes in dopamine synthesis capacity were not significant, nor was the relation between dopamine D2 receptor occupancy and these changes. A significant negative correlation was observed between baseline dopamine synthesis capacity and changes in dopamine synthesis capacity by aripiprazole, indicating that this antipsychotic appears to stabilize dopamine synthesis capacity. The therapeutic effects of aripiprazole in schizophrenia might be related to such stabilizing effects on dopaminergic neurotransmission responsivity. | |||||
書誌情報 |
PLoS ONE (Online only:URL:http://www.plosone.org) 巻 7, 号 9, p. e46488, 発行日 2012-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1932-6203 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 23029533 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1371/journal.pone.0046488 |