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https://biore.bio.bg.ac.rs/handle/123456789/1054
Title: | Single-neuron level one-photon voltage imaging with sparsely targeted genetically encoded voltage indicators | Authors: | Quicke, Peter Song, Chenchen McKimm, Eric J. Milošević, Milena Howe, Carmel L. Neil, Mark Schultz, Simon R. Antic, Srdjan D. Foust, Amanda J. Knöpfel, Thomas |
Keywords: | Cerebral cortex;Optogenetics;Sparse expression;Transgenic;Voltage imaging | Issue Date: | 29-Jan-2019 | Rank: | M21 | Journal: | Frontiers in Cellular Neuroscience | Abstract: | © 2019 Quicke, Song, McKimm, Milosevic, Howe, Neil, Schultz, Antic, Foust and Knöpfel. Voltage imaging of many neurons simultaneously at single-cell resolution is hampered by the difficulty of detecting small voltage signals from overlapping neuronal processes in neural tissue. Recent advances in genetically encoded voltage indicator (GEVI) imaging have shown single-cell resolution optical voltage recordings in intact tissue through imaging naturally sparse cell classes, sparse viral expression, soma restricted expression, advanced optical systems, or a combination of these. Widespread sparse and strong transgenic GEVI expression would enable straightforward optical access to a densely occurring cell type, such as cortical pyramidal cells. Here we demonstrate that a recently described sparse transgenic expression strategy can enable single-cell resolution voltage imaging of cortical pyramidal cells in intact brain tissue without restricting expression to the soma. We also quantify the functional crosstalk in brain tissue and discuss optimal imaging rates to inform future GEVI experimental design. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/1054 | ISSN: | 1662-5102 | DOI: | 10.3389/fncel.2019.00039 |
Appears in Collections: | Journal Article |
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1 Single-Neuron Level One-Photon.pdf | 6.34 MB | Adobe PDF | Request a copy |
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