Abstract
Since local protein synthesis is proposed to explain spatial and temporal regulation of gene expression in highly polarized cells such as neurons, various mechanisms for regulating protein synthesis are suggested. Among them, microRNA (miRNA) is one of the key regulators for protein synthesis in the synaptic area. As miRNAs can selectively repress mRNA translation with sequence-specific manner, profiling of miRNAs located in synaptic area has been an important topic to understand the function of neuronal miRNAs. Interestingly, many miRNAs are detected in the synaptic area, but their subcellular distribution in neuron varies. This suggests that there are cellular mechanisms actively regulating miRNA expression and localization in subcellular compartments of neurons. In this chapter, we review currently available methods of synaptic miRNA profiling from isolating samples, purifying RNAs, and measuring expression.
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Acknowledgement
This work is supported by Deutsche Forschungsgemeinschaft (German Research Foundation), University of Cologne (Cologne Fortune), and cure SMA.
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Kye, M.J. (2016). Isolating and Screening Subcellular miRNAs in Neuron. In: Kye, M. (eds) MicroRNA Technologies. Neuromethods, vol 128. Humana Press, New York, NY. https://doi.org/10.1007/7657_2016_4
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DOI: https://doi.org/10.1007/7657_2016_4
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