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Cimarec+TM Stirring Hotplate S

Company: Thermo Scientific
Catalog#: P88857100
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Karyopherin-β2 Inhibits and Reverses Aggregation and Liquid-liquid Phase Separation of the ALS/FTD-Associated Protein FUS
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2020-08-20
[Abstract]  The study of RNA-binding proteins (RBP) offers insight into the mechanisms of pathologic protein aggregation in neurodegenerative diseases. We developed a protocol for purifying an RBP FUS and a nuclear import receptor (NIR) Kapβ2 and testing the ability of Kapβ2 to mitigate FUS aggregation and liquid-liquid phase separation. [摘要]  [摘要] RNA结合蛋白的研究(RBP)报价洞察病理蛋白聚集的神经变性疾病的机制。我们开发了用于纯化RBP FUS和核输入受体(NIR)Kapβ2 的协议,并测试Kapβ2 减轻FUS聚集和液-液相分离的能力。

[背景] 肌萎缩性脊髓侧索硬化症(ALS)和额颞叶痴呆(FTD)是神经变性疾病,其特征在于所述错误定位几个RNA结合蛋白的和聚集(RBP)(麦肯齐等人,2010;达克鲁斯和克利夫兰,2011; King 等,2012)。其中一种蛋白是FUS(融合在肉瘤中),一种核蛋白在ALS / FTD患者的神经元细胞质中定位不正确,然后经历液-液相转变,然后发生异常的相转变,形成不溶性聚集体(Altmeyer 等, 2015; Burke 等人,2015; Lin 等人,2015; Molliex 等人,2015; Murakami 等人,2015; Patel 等人,2015)(图1)。Karyopherin-β2(甲β2),一个核输入受体(NIR),已经建立了作为伴侣和disaggregase 蛋白与PY-核定位序列(NLS),诸如FUS(过等人,2018; Hofweber 等人。,2018;吉泽,等人。,2018)。以下方案被开发,以测试的能力甲β2抑制和反向FUS聚合和相分离的离体(过等人,2018)。

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