24 March 2014 Recombinant Adeno-associated virus (rAAV)-mediated transduction and optogenetic manipulation of cortical neurons in vitro
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Abstract
Genetically encoded light-sensitive proteins can be used to manipulate and observe cellular functions. According to different modes of action, these proteins are divided into actuators like the blue-light gated cation channel Channelrhodopsin-2 (ChR2) and detectors like the calcium sensor GCaMP. In order to optogenetically control and study the activity of rat primary cortical neurons, we established a transduction procedure using recombinant Adeno-associated viruses (rAAVs) as gene-ferries. Thereby, we achieved high transduction rates of these neurons with ChR2. In ChR2 expressing neurons, action potentials could be repeatedly and precisely elicited with laser pulses and measured via patch clamp recording.
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Wienke Lange, Wienke Lange, Lei Jin, Lei Jin, Vanessa Maybeck, Vanessa Maybeck, Annika Meisenberg, Annika Meisenberg, Arnd Baumann, Arnd Baumann, Andreas Offenhäusser, Andreas Offenhäusser, } "Recombinant Adeno-associated virus (rAAV)-mediated transduction and optogenetic manipulation of cortical neurons in vitro", Proc. SPIE 8928, Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics, 89282S (24 March 2014); doi: 10.1117/12.2038437; https://doi.org/10.1117/12.2038437
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