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首页> 外文期刊>Journal of Cellular Physiology >Small tumor antigen of polyomaviruses: role in viral life cycle and cell transformation.
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Small tumor antigen of polyomaviruses: role in viral life cycle and cell transformation.

机译:小肿瘤抗原的多瘤病毒:作用病毒生命周期和细胞转变。

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摘要

The regulatory proteins of polyomaviruses, including small and large T antigens, play important roles, not only in the viral life cycle but also in virus-induced cell transformation. Unlike many other tumor viruses, the transforming proteins of polyomaviruses have no cellular homologs but rather exert their effects mostly by interacting with cellular proteins that control fundamental processes in the regulation of cell proliferation and the cell cycle. Thus, they have proven to be valuable tools to identify specific signaling pathways involved in tumor progression. Elucidation of these pathways using polyomavirus transforming proteins as tools is critically important in understanding fundamental regulatory mechanisms and hence to develop effective therapeutic strategies against cancer. In this short review, we will focus on the structural and functional features of one polyomavirus transforming protein, that is, the small t-antigen of the human neurotropic JC virus (JCV) and the simian virus, SV40.
机译:多瘤病毒的调控蛋白,包括小型和大型T抗原,玩重要的作用,不仅在病毒生命周期而且在病毒诱导细胞转变。与其他肿瘤病毒,转变多瘤病毒没有细胞的蛋白质同系物,而是主要由发挥它们的影响与细胞的蛋白质交互控制细胞的基本过程的监管增殖和细胞周期。被证明是有价值的工具来识别特定的信号通路参与肿瘤恶化。说明这些通路使用多瘤病毒将蛋白质作为工具是关键重要的理解基本的监管开发有效的机制,因此对癌症的治疗策略。简短的评论,我们将集中在结构和一个多瘤病毒的功能特性改变蛋白质,也就是小t抗原的人类亲神经的JC病毒(JCV)和SV40猴病毒。

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