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A small-molecule probe for hepatitis C virus replication that blocks protein folding

机译:丙型肝炎病毒复制的小分子探针,可阻止蛋白质折叠

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The hepatitis C virus (HCV) is a growing global health problem. Small molecules that interfere with host-viral interactions can serve as powerful tools for elucidating the molecular mechanisms of pathogenesis and defining new strategies for therapeutic development. Using a cell-based screen involving subgenomic HCV replicons, we identified the ability of 18 different abscisic acid (ABA) analogs, originally developed as plant growth regulators, to inhibit HCV replication. Three of these were further studied. One compound, here named origamicin, showed antiviral activity through the inhibition of host proteins involved in protein folding. Origamicin could therefore be an important tool for studying the maturation of both host and viral proteins. Herein we demonstrate an application for molecular scaffolds based on ABA for mammalian cell targets involved in protein folding.
机译:丙型肝炎病毒(HCV)是一个日益严重的全球健康问题。干扰宿主与病毒相互作用的小分子可以用作阐明发病机理的分子机制和定义治疗发展新策略的有力工具。使用涉及亚基因组HCV复制子的基于细胞的筛选,我们确定了最初开发为植物生长调节剂的18种不同脱落酸(ABA)类似物抑制HCV复制的能力。其中三个被进一步研究。一种化合物,在这里被称为origamicin,通过抑制参与蛋白质折叠的宿主蛋白质而显示出抗病毒活性。因此,Origamicin可能是研究宿主和病毒蛋白成熟的重要工具。在本文中,我们证明了基于ABA的分子支架对涉及蛋白质折叠的哺乳动物细胞靶标的应用。

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