Abstract
In vivo alternative splicing is controlled in a tissue and cell type specific manner. Often individual cellular components of complex tissues will express different splicing programs. Thus, when studying splicing in multicellular organisms it is critical to determine the exon inclusion levels in individual cells positioned in the context of their native tissue or organ. Here we describe how a fluorescent splicing reporter in combination with in vivo electroporation can be used to visualize alternative splicing in individual cells within mature tissues. In a test case we show how the splicing of a photoreceptor specific exon can be visualized within the mouse retina. The retina was chosen as an example of a complex tissue that is fragile and whose cells cannot be studied in culture. With minor modifications to the injection and electroporation procedure, the protocol we outline can be applied to other tissues and organs.
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Acknowledgements
We thank Zachary Wright and Abigail Hayes for advice and assistance in taking pictures. This work was supported by grants from the National Institutes of Health (EY017035), West Virginia Lions, Lions Club International Fund, and an internal grant from West Virginia University. Imaging experiments were performed in the West Virginia University Microscope Imaging Facility, which has been supported by the Mary Babb Randolph Cancer Center and NIH grants P20 RR016440, P30 GM103488, and P20 GM103434.
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Murphy, D., Kolandaivelu, S., Ramamurthy, V., Stoilov, P. (2016). Analysis of Alternative Pre-RNA Splicing in the Mouse Retina Using a Fluorescent Reporter. In: Lin, RJ. (eds) RNA-Protein Complexes and Interactions. Methods in Molecular Biology, vol 1421. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-3591-8_20
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DOI: https://doi.org/10.1007/978-1-4939-3591-8_20
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