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Nasal Extracts from Patients with Alzheimer’s Disease Induce Tau Aggregates in a Cellular Model of Tau Propagation.
http://hdl.handle.net/10422/00012960
http://hdl.handle.net/10422/000129606829be88-0d86-4ef5-aaf1-a2a7bdd9c225
名前 / ファイル | ライセンス | アクション |
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ADR-210298 (1.9 MB)
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This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC 4.0).
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-04-21 | |||||
タイトル | ||||||
タイトル | Nasal Extracts from Patients with Alzheimer’s Disease Induce Tau Aggregates in a Cellular Model of Tau Propagation. | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Alzheimer’s disease | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nasal extracts | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tau aggregation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tau propagation | |||||
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 | |||||
著者 |
PAHRUDIN ARROZI, Aslina
× PAHRUDIN ARROZI, Aslina× YANAGISAWA, Daijiro× KATO, Tomoko× AKATSU, Hiroyasu× HASHIZUME, Yoshio× KANEDA, Daita× TOOYAMA, Ikuo |
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著者別名 |
柳沢, 大治郎
× 柳沢, 大治郎× 加藤, 智子× 遠山, 育夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Background: Emerging evidence indicates that the misfolded tau protein can propagate aggregates between cells in a prion-like manner. This prion activity has been typically studied in brain extracts of patients with Alzheimer’s disease (AD), but not in the olfactory region that can be a potential biomarker in AD. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Objective: To investigate the prion seeding activity of tau in nasal mucosa tissues using a cell culture model of tau propagation. |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Methods: Brain and nasal mucosa homogenates were added to HEK293T cells expressing three repeat or four-repeat domains of tau with the L266V, V337M (3RD*VM) and P301L and V377M mutations (4RD*LM) fused to the enhanced green fluorescence protein (EGFP) respectively. We also measured the level of phosphorylated tau (p-tau), total tau (t-tau), and p-tau/t-tau ratio and performed correlation analysis between tau prion activity and the level of tau. |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Results: We found that brain and nasal tissue homogenates from patients with AD significantly induced tau aggregation in HEK293T cells either expressing tau 3RD*VM-EGFP or 4RD*LM-EGFP compared with control brain and nasal tissue homogenates. The levels of p-tau and p-tau/t-tau ratio were significantly increased in the brain of patients with AD; however, no significant difference was found in nasal tissue compared with their respective control tissue homogenates. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Conclusion: These results suggest that the nasal tissues contain tau seeds, similar to the brain, albeit without changes in the levels of p-tau and t-tau. Therefore, a cellular bioassay using nasal tissues would have great potential as an AD biomarker because of the usefulness of nasal tissue biopsy. |
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書誌情報 |
en : Journal of Alzheimer's Disease Reports 巻 5, 号 1, p. 263-274, 発行日 2021-04-06 |
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出版者 | ||||||
出版者 | IOS Press | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 25424823 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.3233/adr-210298 | |||||
関連名称 | 10.3233/ADR-210298 | |||||
権利 | ||||||
権利情報 | © 2021 – The authors. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal Article |