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In vivo PET imaging of mitochondrial abnormalities in a mouse model of tauopathy
https://repo.qst.go.jp/records/80020
https://repo.qst.go.jp/records/80020c0c298da-1bd3-4d70-80d2-9a7f6aeaf376
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-06-09 | |||||
タイトル | ||||||
タイトル | In vivo PET imaging of mitochondrial abnormalities in a mouse model of tauopathy | |||||
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 |
Barron, Anna
× Barron, Anna× Ji, Bin× MasayukiFujinaga× Ming-Rong, Zhang× Sahara, Naruhiko× Aoki, Ichio× Tsukada, Hideo× Higuchi, Makoto× Barron, Anna× Ji, Bin× Fujinaga, Masayuki× Ming-Rong, Zhang× Suhara, Tetsuya× Aoki, Ichio× Tsukada, Hideo× Higuchi, Makoto |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Damaged mitochondria may be one of the earliest manifestations of Alzheimer`s disease (AD). Since oxidative phosphorylation is a primary source of neuronal energy, unlike glycolysis-dependent energy production in inflamed glia, mitochondrial respiration could provide a selective biomarker of neuronal deterioration in AD. Here we used a recently developed positron emission tomography (PET) probe targeting mitochondrial complex I (MC-I), 18F-BCPP-EF, to non-invasively visualize mitochondrial abnormalities in the brains of tau transgenic mice (rTg4510 TauTg). Tauopathy and neuroinflammation were visualized by PET using a tau probe 11C-PBB3 and a TSPO probe, 18F-FEBMP, respectively. A marked reduction in 18F-BCPP-EF uptake was observed in hippocampal and forebrain regions of TauTg mice, colocalizing with regions of tauopathy, neuronal damage and neuroinflammation. MC-I signals were highly correlated with atrophy assayed by MRI, but negatively associated with inflammatory signals measured by TSPO-PET, indicating that neuronal metabolic signals measured by MC-I PET were robust to inflammatory interference. MC-I may be a useful imaging biomarker to detect neuronal damage and metabolic changes with minimal interference from concomitant glial hypermetabolism. | |||||
書誌情報 |
Neurobiology of Aging 巻 94, p. 140-148, 発行日 2020-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0197-4580 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 32623260 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.neurobiolaging.2020.05.003 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/abs/pii/S019745802030155X?dgcid=rss_sd_all |