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Molecular imaging of mesothelioma by detection of manganese-superoxide dismutase activity using manganese-enhanced magnetic resonance imaging
https://repo.qst.go.jp/records/46031
https://repo.qst.go.jp/records/460311644718a-c425-402c-84ed-c589f2c64a1b
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-04-12 | |||||
タイトル | ||||||
タイトル | Molecular imaging of mesothelioma by detection of manganese-superoxide dismutase activity using manganese-enhanced magnetic resonance imaging | |||||
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 |
Hasegawa, Sumitaka
× Hasegawa, Sumitaka× Koshikawa, Michiko× Saito, Shigeyoshi× Morokoshi, Yukie× Furukawa, Takako× Aoki, Ichio× Saga, Tsuneo× 長谷川 純崇× 越川 道子× 齋藤 茂芳× 諸越 幸恵× 古川 高子× 青木 伊知男× 佐賀 恒夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Malignant mesothelioma (MM) is a fatal malignancy with a rapidly increasing incidence in industrialized countries because of the widespread use of asbestos in the past centuries. Early diagnosis of MM is critical for a better prognosis, but this is often difficult because of the lack of disease-specific diagnostic imaging. Here we report that manganese-enhanced magnetic resonance imaging (MEMRI) represents a promising approach for a more selective mesothelioma imaging by monitoring a high-level expression of manganese-superoxide dismutase (Mn-SOD), which is observed in many MM. We found that most human MM cells over-expressed Mn-SOD protein compared to human mesothelial cells, and that NCI-H226 human MM cells highly expressed Mn-SOD and augmented Mn accumulation when loaded with manganese chloride (MnCl(2)). The cells showed marked T(1)-signal enhancement on in vitro MRI after incubation with MnCl(2) because of the T(1) shortening effect of Mn(2+). H226 subcutaneous tumor was preferentially enhanced compared to a lung adenocarcinoma cell tumor and another human MM cell tumor in MnCl(2)-enhanced T(1)-weighted MR image (T(1)WI), correlating with their respective Mn-SOD expression levels. Moreover, in a more clinically relevant setting, H226 xenografted pleural tumor was markedly enhanced and readily detected by MEMRI using manganese dipyridoxyl diphosphate (MnDPDP), a clinically used contrast agent, as well as MnCl(2). Therefore, we propose that MEMRI can be a potentially powerful method for non-invasive detection of MM, with high spatial resolution and marked signal enhancement, by targeting Mn-SOD. | |||||
書誌情報 |
International Journal of Cancer 巻 128, 号 9, p. 2138-2146, 発行日 2010-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0020-7136 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1002/ijc.25547 |