Abstract
MicroRNAs (miRNAs) are small (∼22 nt) noncoding RNA molecules that regulate the expression of protein coding genes either by cleavage or translational repression. miRNAs comprise one of the most abundant classes of gene regulatory molecules in multicellular organisms. Yet, the function of miRNAs at the tissue, cell, and subcellular levels is still to be explored. Especially, determining spatial and temporal expression of miRNAs has been a challenge due to their short size and low expression. This protocol describes a fast and effective method for detection of miRNAs in frozen tissue sections using fluorescence in situ hybridization. The method employs the unique recognition power of locked nucleic acids as probes together with enhanced detection power of the tyramide signal amplification system for detection of miRNAs in frozen tissues of human and animal origin within a single day.
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References
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Acknowledgments
The author acknowledges the financial support from the Lundbeck Foundation, the Danish Research Agency and the Dr Sofus Carl Emil Friis and wife Olga Doris Friis Foundation. Wilhelm Johannsen Centre for Functional Genome Research is established by the Danish National Research Foundation.
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Silahtaroglu, A.N. (2010). LNA-FISH for Detection of MicroRNAs in Frozen Sections. In: Bridger, J., Volpi, E. (eds) Fluorescence in situ Hybridization (FISH). Methods in Molecular Biology, vol 659. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-60761-789-1_11
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DOI: https://doi.org/10.1007/978-1-60761-789-1_11
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Publisher Name: Humana Press, Totowa, NJ
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