WEKO3
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Synthesis and evaluation of 6-[1-(2-[18F]fluoro-3-pyridyl)-5-methyl-1H-1,2,3-triazol-4-yl]quinoline for positron emission tomography imaging of the metabotropic glutamate receptor type 1 in brain
https://repo.qst.go.jp/records/45985
https://repo.qst.go.jp/records/459852bf0c81d-c8bf-4961-812b-6c5fcdc86e11
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-01-14 | |||||
タイトル | ||||||
タイトル | Synthesis and evaluation of 6-[1-(2-[18F]fluoro-3-pyridyl)-5-methyl-1H-1,2,3-triazol-4-yl]quinoline for positron emission tomography imaging of the metabotropic glutamate receptor type 1 in 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× Kawamura, Kazunori× Kumata, Katsushi× Hatori, Akiko× Yui, Joji× Yanamoto, Kazuhiko× Yoshida, Yuichiro× Ogawa, Masanao× Nengaki, Nobuki× Maeda, Jun× Fukumura, Toshimitsu× Zhang, Ming-Rong× 藤永 雅之× 山崎 友照× 河村 和紀× 熊田 勝志× 羽鳥 晶子× 由井 譲二× 柳本 和彦× 吉田 勇一郎× 小川 政直× 念垣 信樹× 前田 純× 福村 利光× 張 明栄 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The purpose of this study was to synthesize 6-[1-(2-[18F]fluoro-3-pyridyl)-5-methyl-1H-1,2,3-triazol-4-yl]quinoline ([18F]FPTQ, [18F]7a) and to evaluate its potential as a positron emission tomography ligand for imaging metabotropic glutamate receptor type 1 (mGluR1) in the rat brain. Compound [18F]7a was synthesized by [18F]fluorination of 6-[1-(2-bromo-3-pyridyl)-5-methyl-1H-1,2,3-triazol-4-yl]quinoline (7b) with potassium [18F]fluoride. At the end of synthesis, 1280–1830 MBq (n = 8) of [18F]7a was obtained with >98% radiochemical purity and 118–237 GBq/lmol specific activity using 3300–4000 MBq of [18F]F-. In vitro autoradiography showed that [18F]7a had high specific binding with mGluR1 in the rat brain. Biodistribution study using a dissection method and small-animal PET showed that [18F]7a had high uptake in the rat brain. The uptake of radioactivity in the cerebellum was reduced by unlabeled 7a and mGluR1-selective ligand JNJ-16259685 (2), indicating that [18F]7a had in vivo specific binding with mGluR1. Because of a low amount of radiolabeled metabolite present in the brain, [18F]7a may have a limiting potential for the in vivo imaging of mGluR1 by PET. |
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書誌情報 |
Bioorganic & Medicinal Chemistry 巻 19, 号 1, p. 102-110, 発行日 2010-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0968-0896 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.bmc.2010.11.048 |