Continuous Delivery of Oligonucleotides into the Brain

Part of the Neuromethods book series (NM, volume 128)


The growing field of RNA neurobiology dictates development and improvement of effective and reliable in vivo techniques to address the function of particular microRNA molecules within the brain. Here we describe a novel method involving continuous delivery of oligonucleotides into a brain region of interest by osmotic pump infusion. The approach implements application of double-stranded microRNA-mimics with only two LNA moieties at the 3′-end and additionally one at the 5′-end of the sense strand. This method holds promise for long-lasting and specific siRNA upregulation in vivo, especially in the Dicer-depleted systems, where other approaches are limited or not applicable. Being robust and effective, various techniques described in this chapter can be easily modified in order to achieve up- or downregulation of expression of specific RNA molecules, bi- or unilateral infusions or injections, and in vivo “screening” strategy allowing to start from a bigger group of RNA molecules and end up with identification of single RNA species critical for a phenotype.


MicroRNA Brain Infusion Neuroscience Mice Neuron 



The authors declare no competing financial interests. This work has been supported by the DFG through SFB488, the EU through grant LSHM-CT-2005-018652 (CRESCENDO), the BMBF through NGFNplus grants FZK-01GS08153 and 01GS08142, and the HGF through Initiative CoReNe (Network II, E2) the National Science Centre (Poland) grant (SONATA) 2011/01/D/NZ4/03744, grant (HARMONIA) 2013/08/M/NZ3/01045, and the Academy of Finland. We thank Jörg Krummheuer for the protocol for preparation of the LNA-oligonucleotides for injection as well as assistance in developing the oligonucleotide synthesis strategy, Günther Schütz for support, Lena Roth for assistance with the infusion technique. Special thanks goes to Adair Oesterle for assistance with techniques to fabricate micropipettes.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.School of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghaiPeople’s Republic of China
  2. 2.Molecular Biology of the Cell IGerman Cancer Research Center (DKFZ)HeidelbergGermany
  3. 3.Institute of BiotechnologyUniversity of HelsinkiHelsinkiFinland
  4. 4.Laboratory of Animal Models, Neurobiology CenterNencki Institute of Experimental Biology of the Polish Academy of SciencesWarsawPoland

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