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Nitroxide-enhanced magnetic resonance imaging of kidney dysfunction in vivo based on redox-imbalance and oxidative stress
https://repo.qst.go.jp/records/77700
https://repo.qst.go.jp/records/777007dfbdc4a-ce1d-4e5b-ba61-54a20b616ec3
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-11-28 | |||||
タイトル | ||||||
タイトル | Nitroxide-enhanced magnetic resonance imaging of kidney dysfunction in vivo based on redox-imbalance and oxidative stress | |||||
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 |
Lazarova, Dessislava
× Lazarova, Dessislava× Shibata, Sayaka× Ishii, Itsuko× Zlateva, Genoveva× Zhelev, Zhivko× Aoki, Ichio× Higashi, Tatsuya× Bakalova, Rumiana× Sayaka, Shibata× Ichio, Aoki× Tatsuya, Higashi× Bakalova, Rumiana |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This study reports a non-invasive magnetic resonance imaging (MRI) of kidney dysfunction in mice, based on the induction of redox-imbalance and oxidative stress in the renal tissues, using mito-TEMPO as redox-sensitive contrast probe. Kidney dysfunction was triggered by hypercholesterolemia. The mice were divided in three groups: (i) on normal diet (ND); (ii) on cholesterol diet (CD); (iii) on cholesterol plus cholestyramine diet (CC). After 15 weeks feeding, the mice were subjected to the following analyses: plasma cholesterol levels; serum test for renal functionality; nitroxide-enhanced MRI of tissue redox-status in vivo; histochemical staining of tissue section to visualize renal damage; evaluation of total antioxidant capacity and oxidative stress on isolated tissue specimens. MRI signal of mito-TEMPO in the kidney was characterized by: high intensity and long life-time in CD mice, indicating a high oxidative capacity of renal tissues; poor intensity and short life-time in ND mice, indicating a high reducing capacity; moderate intensity and relatively short life-time in CC mice, indicating a protective effect of lipid-lowering drug. The data were confirmed on isolated tissue specimens, using conventional tests. They suggest that hypercholesterolemia induces redox-imbalance in kidney and this process could be visualized using MRI and mito-TEMPO as a redox-sensitive contrast. | |||||
書誌情報 |
General Physiology and Biophysics 巻 38, 号 3, p. 191-204, 発行日 2019-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0231-5882 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.4149/gpb_2019001 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.elis.sk/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=6169&category_id=148&option=com_virtuemart&vmcchk=1&Itemid=1 |