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Tuschl, Thomas; Pena, John T G; Sohn-Lee, Cherin; Rouhanifard, Sara H; Ludwig, Janos; Hafner, Markus; Mihailovic, Aleksandra; Lim, Cindy; Holoch, Daniel; Berninger, Philipp; Zavolan, Mihaela
Nature methods, 02/2009, Letnik: 6, Številka: 2Journal Article
MicroRNAs are small regulatory RNAs with many biological functions and disease associations. We showed that in situ hybridization (ISH) using conventional formaldehyde fixation results in substantial microRNA loss from mouse tissue sections, which can be prevented by fixation with 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide that irreversibly immobilizes the microRNA at its 5′ phosphate. We determined optimal hybridization parameters for 130 locked nucleic acid probes by recording nucleic acid melting temperature during ISH.
