RNA-Binding Proteins in Amyotrophic Lateral Sclerosis.

RNA-Binding Proteins in Amyotrophic Lateral Sclerosis.
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DOI:
10.14348/molcells.2018.0243
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发表时间:
2018-09-30
影响因子:
3.8
通讯作者:
Park J
Park J
中科院分区:
生物学3区
文献类型:
--
作者:
Zhao M;Kim JR;van Bruggen R;Park J

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目前正在进行大量研究工作,以阐明肌萎缩性脊髓侧索硬化症 (ALS) 背后的复杂分子机制,从而可能反过来确定潜在的治疗靶点。随着最近在 ALS 患者中发现大量基因突变,ALS 研究领域不断发展,其中许多突变位于编码 RNA 结合蛋白 (RBP) 的基因中,包括 TDP-43、FUS、ATXN2、TAF15、EWSR1、hnRNPA1、hnRNPA2/B1、MATR3 和 TIA1。对这些 ALS 相关 RBP 的研究积累的证据表明,RNA 代谢失调、RBP 的细胞质错误定位、RBP 应激颗粒动力学功能障碍以及突变 RBP 聚集倾向增加可能导致 ALS 发病机制。在这里,我们回顾了这些 RBP 生物学功能的最新知识以及 ALS 相关突变对疾病发病机制的贡献。
Significant research efforts are ongoing to elucidate the complex molecular mechanisms underlying amyotrophic lateral sclerosis (ALS), which may in turn pinpoint potential therapeutic targets for treatment. The ALS research field has evolved with recent discoveries of numerous genetic mutations in ALS patients, many of which are in genes encoding RNA binding proteins (RBPs), including TDP-43, FUS, ATXN2, TAF15, EWSR1, hnRNPA1, hnRNPA2/B1, MATR3 and TIA1. Accumulating evidence from studies on these ALS-linked RBPs suggests that dysregulation of RNA metabolism, cytoplasmic mislocalization of RBPs, dysfunction in stress granule dynamics of RBPs and increased propensity of mutant RBPs to aggregate may lead to ALS pathogenesis. Here, we review current knowledge of the biological function of these RBPs and the contributions of ALS-linked mutations to disease pathogenesis.