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Molecular Classification and Comparative Taxonomics of Foveal and Peripheral Cells in Primate Retina

Author(s)
Regev, Aviv
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Abstract
High-acuity vision in primates, including humans, is mediated by a small central retinal region called the fovea. As more accessible organisms lack a fovea, its specialized function and its dysfunction in ocular diseases remain poorly understood. We used 165,000 single-cell RNA-seq profiles to generate comprehensive cellular taxonomies of macaque fovea and peripheral retina. More than 80% of >60 cell types match between the two regions but exhibit substantial differences in proportions and gene expression, some of which we relate to functional differences. Comparison of macaque retinal types with those of mice reveals that interneuron types are tightly conserved. In contrast, projection neuron types and programs diverge, despite exhibiting conserved transcription factor codes. Key macaque types are conserved in humans, allowing mapping of cell-type and region-specific expression of >190 genes associated with 7 human retinal diseases. Our work provides a framework for comparative single-cell analysis across tissue regions and species. Single-cell-based analysis provides a comprehensive molecular and cellular taxonomy of the primate retina.
Date issued
2019-02
URI
https://hdl.handle.net/1721.1/125240
Department
Massachusetts Institute of Technology. Department of Biology; Koch Institute for Integrative Cancer Research at MIT
Journal
Cell
Publisher
Elsevier BV
Citation
Peng, Yi-Rong et al. “Molecular Classification and Comparative Taxonomics of Foveal and Peripheral Cells in Primate Retina.” Cell 176 (2019): 1222-1237.e22 © 2019 The Author(s)
Version: Author's final manuscript
ISSN
0092-8674

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