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Non coding RNA and brain

机译:非编码RNA和大脑

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Small non coding RNAs are a group of very different RNA molecules, present in virtually all cells, with a wide spectrum of regulatory functions which include RNA modification and regulation of protein synthesis. They have been isolated and characterized in all organisms and tissues, from Archaeobacteria to mammals. In mammalian brain there are a number of these small molecules, which are involved in neuronal differentiation as well as, possibly, in learning and memory. In this manuscript, we analyze the present knowledge about the function of the most important groups of small non-coding RNA present in brain: small nucleolar RNAs, small cytoplasmic RNAs, and microRNAs. The last ones, in particular, appear to be critical for dictating neuronal cell identity during development and to play an important role in neurite growth, synaptic development and neuronal plasticity.
机译:小型非编码RNA是实际上存在于所有细胞中的一组非常不同的RNA分子,具有广泛的调节功能,包括RNA修饰和蛋白质合成的调节。从古细菌到哺乳动物,它们在所有生物和组织中均已分离和鉴定。在哺乳动物的大脑中有许多这样的小分子,它们参与神经元分化以及可能的学习和记忆。在这份手稿中,我们分析了有关大脑中存在的最重要的小型非编码RNA组的功能的现有知识:小型核仁RNA,小型胞质RNA和microRNA。特别地,最后一个似乎对于决定发育过程中神经元细胞的身份至关重要,并且在神经突生长,突触发育和神经元可塑性中起重要作用。

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