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Noncoding RNAs in protein clearance pathways: implications in neurodegenerative diseases

机译:蛋白质清除途径中的非编码RNA:在神经退行性疾病中的意义

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The importance of noncoding genome has become more evident in recent years. Before genome sequencing, the most well studied portion of our genome was protein coding genes. Interestingly, this coding portion accounted only for 1.5% of the genome, the rest being the noncoding sequences. Noncoding RNAs (ncRNAs) are involved in normal cell physiology, stress, and disease states. A class of small ncRNAs and miRNAs has gained much importance because of its involvement in human diseases such as cancer. Involvement of long ncRNAs have also been acknowledged in other human diseases, especially inneurodegenerative diseases. Neurodegenerative diseases are characterized by the presence of abnormally folded proteins that are toxic to the cell. Several studies from model organisms suggest upregulation of pathways that clear this toxic protein may provide protection against neurodegeneration. In this review, I summarize the importance of ncRNAs in protein quality control system of cell that is implicated in this fatal group of neurodegenerative diseases.
机译:近年来,非编码基因组的重要性变得更加明显。在进行基因组测序之前,我们基因组中研究最深入的部分是蛋白质编码基因。有趣的是,该编码部分仅占基因组的1.5%,其余为非编码序列。非编码RNA(ncRNA)参与正常的细胞生理,压力和疾病状态。一类小型ncRNA和miRNA由于参与了人类疾病(例如癌症)而变得非常重要。长ncRNA的参与也已在其他人类疾病,尤其是神经退行性疾病中得到认可。神经变性疾病的特征是存在对细胞有毒的异常折叠蛋白。来自模型生物的几项研究表明,清除这种有毒蛋白质的途径可能会上调表达,从而提供针对神经变性的保护作用。在这篇综述中,我总结了ncRNA在细胞蛋白质质量控​​制系统中的重要性,这与致命的神经退行性疾病群有关。

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