Abstract
Müller glia are the principal macroglia of the retina and support retinal neurons both in health and disease. In retinitis pigmentosa (RP), a highly heterogeneous inherited retinal disorder, the most common form of pathology involves primary rod degeneration, followed by secondary cone death. To investigate Müller glia responses to rod degeneration, we performed droplet-based single-cell RNA sequencing in the rd10 mouse model of RP during primary rod degeneration. We confirmed known MG behavior on gliosis, metabolic, and immune functions. Pde6brd10 Müller glia also exhibited an increased expression of histocompatibility complex members, which might arise from a novel immune function of Müller glia in RP. We also describe a possible decrease in glial lipid biogenesis, which might affect degenerating photoreceptors.
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Acknowledgments
The authors would like to thank the Functional Genomics Center Zürich for their excellent guidance and assistance with scRNAseq. This study was supported by the Swiss National Science Foundation (grant nr. 31003A_173008).
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Sigurdsson, D., Grimm, C. (2023). Single-Cell Transcriptomic Profiling of Müller Glia in the rd10 Retina. In: Ash, J.D., Pierce, E., Anderson, R.E., Bowes Rickman, C., Hollyfield, J.G., Grimm, C. (eds) Retinal Degenerative Diseases XIX. Advances in Experimental Medicine and Biology, vol 1415. Springer, Cham. https://doi.org/10.1007/978-3-031-27681-1_55
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DOI: https://doi.org/10.1007/978-3-031-27681-1_55
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