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Polymeric Micelle Platform for Multimodal Tomographic Imaging to Detect Scirrhous Gastric Cancer
https://repo.qst.go.jp/records/47423
https://repo.qst.go.jp/records/474236012c0a6-44ca-4d68-8ca7-d6b6467baf2d
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-05-18 | |||||
タイトル | ||||||
タイトル | Polymeric Micelle Platform for Multimodal Tomographic Imaging to Detect Scirrhous Gastric Cancer | |||||
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 |
Miura, Yutaka
× Miura, Yutaka× Tsuji, Atsushi× Sugyo, Aya× Sudo, Hitomi× Aoki, Ichio× Inubushi, Masayuki× Yashiro, Masakazu× Hirakawa, Kosei× Cabral, Horacio× Nishiyama, Nobuhiro× Saga, Tsuneo× Kataoka, Kazunori× 辻 厚至× 須尭 綾× 須藤 仁美× 青木 伊知男× 犬伏 正幸× 佐賀 恒夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Scirrhous gastric cancer (SGC) is a recalcitrant tumor, which is among the most lethal cancers. A critical issue for the improvement of SGC prognosis is the lack of an effective imaging method for accurate detection and diagnosis. Because combined nuclear medicine imaging with magnetic resonance imaging (MRI) has the ability to detect cancer with high sensitivity, and quantitation and spatial resolution, it has potential to overcome the issues with SGC detection. Herein, we designed and synthesized a new block copolymer poly(ethylene glycol)-b-poly(γ-benzyl L-glutamate) linked with a chelator 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA-PEG-b-PBLG) to provide a platform for multimodal tomographic imaging. We then successfully prepared DOTA-functionalized polymeric micelles (DOTA/m) measuring 30 nm in diameter, which is an appropriate size to penetrate deeply into tumors with thick fibrosis, including SGC. 111In-labeled DOTA/m highly accumulated in Colon-26 tumors (mouse colon cancer with hyperpermeability), but also in OCUM-2 M LN tumors (SGC with hypopermeability), clearly depicting both tumors by single photon emission computed tomography (SPECT). Gd-labeled DOTA/m clearly visualized OCUM-2 M LN tumors by MRI with high spatial resolution. Moreover, 111In/Gdlabeled micelles, as well as the mixture of 111In- and Gd-labeled DOTA/m demonstrated the capability of this system for selective multimodal SPECT/MR imaging of SCG. Our findings support 111In/Gd-DOTA-labeled micelles as a clinical translationable modality for multimodal tomographic imaging capable of detecting SGC |
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書誌情報 |
ACS Biomaterials Science & Engineering 巻 1, 号 11, p. 1067-1076, 発行日 2015-09 |
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出版者 | ||||||
出版者 | ACS publications | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | DOI: 10.1021/acsbiomaterials.5b00142 |