Emerging roles of the neuronal nucleolus.

Emerging roles of the neuronal nucleolus.
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DOI:
10.1016/j.tins.2012.01.002
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发表时间:
2012-05
影响因子:
15.9
通讯作者:
Pietrzak M
Pietrzak M
中科院分区:
医学1区
文献类型:
--
作者:
Hetman M;Pietrzak M

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虽然,核仁已经在神经元中观察了近200年,但直接解决这种亚核结构的神经元作用的研究只是最近才出现。本次审查的目的是讨论最近的进展,并确定一些关键的问题,仍然有待回答。作为核糖体生物发生的细胞中心,核仁对于发育中的神经元的生长,包括神经突形态发生和成熟神经元的长期维持是必不可少的。此外,核仁有助于神经元的应激反应,包括细胞凋亡的调节。因此,神经发育中断或神经变性是核仁功能障碍的可能后果之一。相反,活性核仁的存在可能决定神经修复的潜力。
Although, the nucleolus has been observed for nearly 200 years in neurons, studies that directly address neuronal roles of this subnuclear structure have appeared only recently. The goal of this review is to discuss that recent progress and identify some critical questions which remain to be answered. As expected for the cellular center of ribosome biogenesis, the nucleolus is essential for the growth of developing neurons, including neurite morphogenesis and long-term maintenance of mature neurons. In addition, the nucleolus contributes to neuronal stress responses, including the regulation of apoptosis. Hence, disrupted neurodevelopment or neurodegeneration are among the likely consequences of nucleolar dysfunction. Conversely, the presence of active nucleoli may determine the potential for neurorepair.
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