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Development of N-[4-[6-(Isopropylamino)pyrimidin-4-yl]-1,3-thiazol-2-yl]-N-methyl-4-[(11)C]methylbenzamide for Positron Emission Tomography Imaging of Metabotropic Glutamate 1 Receptor in Monkey Brain.
https://repo.qst.go.jp/records/46536
https://repo.qst.go.jp/records/465365256b992-6ae0-4bc0-8ca8-7d8625186d8e
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-04-19 | |||||
タイトル | ||||||
タイトル | Development of N-[4-[6-(Isopropylamino)pyrimidin-4-yl]-1,3-thiazol-2-yl]-N-methyl-4-[(11)C]methylbenzamide for Positron Emission Tomography Imaging of Metabotropic Glutamate 1 Receptor in Monkey Brain. | |||||
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 |
Fujinaga, Masayuki
× Fujinaga, Masayuki× Yamasaki, Tomoteru× Maeda, Jun× Yui, Joji× Xie, Lin× Nagai, Yuji× Nengaki, Nobuki× Hatori, Akiko× Kumata, Katsushi× Kawamura, Kazunori× Zhang, Ming-Rong× 藤永 雅之× 山崎 友照× 前田 純× 由井 譲二× 謝 琳× 永井 裕司× 念垣 信樹× 羽鳥 晶子× 熊田 勝志× 河村 和紀× 張 明栄 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Three novel 4-substituted benzamides have been synthesized as potential ligands for the positron emission tomography (PET) imaging of metabotropic glutamate 1 (mGlu1) receptor in the brain. Of these compounds, N-(4-(6-(isopropylamino)pyrimidin-4-yl)-1,3-thiazol-2-yl)-N,4-dimethylbenzamide (4) exhibited the highest binding affinity (Ki =13.6 nM) for mGlu1 and was subsequently labeled with carbon-11. In vitro autoradiography using rat brain sections showed that [11C]4 binding was consistent with the distribution of mGlu1, with high specific binding in the cerebellum and thalamus. PET studies with [11C]4 in monkey showed a high brain uptake and a kinetic profile suitable for quantitative analysis. Pretreatment with a mGlu1-selective ligand 16 largely decreased the brain uptake, indicating high in vivo specific binding of [11C]4 to mGlu1. In metabolite analysis, only unchanged [11C]4 was found in the brain. [11C]4 is a useful PET ligand for the imaging and quantitative analysis of mGlu1 in monkey brain and merits further evaluation in humans. | |||||
書誌情報 |
Journal of Medicinal Chemistry 巻 55, 号 24, p. 11042-11051, 発行日 2012-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0022-2623 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1021/jm301597s |