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Mir-124 microRNA precursor family : ウィキペディア英語版 | Mir-124 microRNA precursor family
The miR-124 microRNA precursor is a small non-coding RNA molecule that has been identified in flies ((MI0000373 )), nematode worms ((MI0000302 )), mouse ((MI0000150 )) and human ((MI0000443 )). The mature ~21 nucleotide microRNAs are processed from hairpin precursor sequences by the Dicer enzyme, and in this case originates from the 3' arm. miR-124 has been found to be the most abundant microRNA expressed in neuronal cells. Experiments to alter expression of miR-124 in neural cells did not appear to affect differentiation. However these results are controversial since other reports have described a role for miR-124 during neuronal differentiation. ==Targets of miR-124==
* Visvanathan ''et al.''. showed that miR-124 targets the mRNA of the anti-neural function protein SCP1 (small C-terminal domain phosphatase 1). * Makeyev et al. showed that miR-124 directly targets PTBP1 (PTB/hnRNP I) mRNA, which encodes a global repressor of alternative pre-mRNA splicing in non-neuronal cells. *Arrant et al. wrote that miR-124 changes glutamate receptor composition in the prefrontal cortex and can decrease social dysfunction in frontotemporal dementia.
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