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找出差异:淀粉样纤维中的功能与毒性。

Spot the Difference: Function versus Toxicity in Amyloid Fibrils.

机构信息

Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK.

Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK.

出版信息

Trends Biochem Sci. 2020 Aug;45(8):635-636. doi: 10.1016/j.tibs.2020.04.007. Epub 2020 May 3.

DOI:10.1016/j.tibs.2020.04.007
PMID:32376150
Abstract

In a recent study, Hervas et al. extracted Orb2 fibrils, that are involved in long-term memory formation, from Drosophila brains, characterised their function, and determined their structure using cryo-electron microscopy (cryo-EM). The fibrils show a remarkable resemblance to amyloid β (Aβ) fibrils associated with Alzheimer's disease, highlighting the subtle difference between functional and dysfunctional amyloid.

摘要

在最近的一项研究中,Hervas 等人从果蝇大脑中提取了参与长期记忆形成的 Orb2 纤维,使用冷冻电镜(cryo-EM)对其功能进行了表征,并确定了其结构。这些纤维与阿尔茨海默病相关的淀粉样β(Aβ)纤维具有惊人的相似性,突出了功能和非功能淀粉样蛋白之间的细微差异。

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本文引用的文献

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Science. 2020 Mar 13;367(6483):1230-1234. doi: 10.1126/science.aba3526.
2
Amyloid structures: much more than just a cross-β fold.淀粉样结构:远不止一种β-折叠。
Curr Opin Struct Biol. 2020 Feb;60:7-16. doi: 10.1016/j.sbi.2019.09.001. Epub 2019 Nov 1.
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Microbial functional amyloids serve diverse purposes for structure, adhesion and defence.微生物功能性淀粉样蛋白在结构、黏附及防御方面发挥着多种作用。
鸡平滑肌肌联蛋白的非特异性淀粉样聚集:体外研究。
Int J Mol Sci. 2023 Jan 5;24(2):1056. doi: 10.3390/ijms24021056.
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Toward high-throughput oligomer detection and classification for early-stage aggregation of amyloidogenic protein.面向淀粉样蛋白早期聚集的高通量寡聚体检测与分类
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Amyloids: The History of Toxicity and Functionality.淀粉样蛋白:毒性与功能性的历史
Biology (Basel). 2021 May 1;10(5):394. doi: 10.3390/biology10050394.
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Looking Beyond the Core: The Role of Flanking Regions in the Aggregation of Amyloidogenic Peptides and Proteins.超越核心:侧翼区域在淀粉样生成肽和蛋白质聚集过程中的作用
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Visualizing and trapping transient oligomers in amyloid assembly pathways.可视化和捕获淀粉样纤维组装途径中的瞬态寡聚物。
Biophys Chem. 2021 Jan;268:106505. doi: 10.1016/j.bpc.2020.106505. Epub 2020 Nov 10.
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Regulation of Functional Protein Aggregation by Multiple Factors: Implications for the Amyloidogenic Behavior of the CAP Superfamily Proteins.多种因素对功能性蛋白聚集的调控:对 CAP 超家族蛋白淀粉样变性行为的影响。
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