Cells were isolated from the retina and choroid as described previously [62 (link)]. The samples were analyzed using FACSAria III (BD Biosciences, San Jose, CA, USA) and FlowJo software (Tree Star, Ashland, OR, USA). Anti-F4/80-APC, anti-Ly6C-FITC, anti-Ly6G-APC-Cy7 (all from BioLegend, San Diego, CA, USA), and anti-CD11b-PE (eBioscience, San Diego, CA, USA) were used. Monocytes subsets were identified as CD11bhiF4/80hiLy6Chi/int/lo and can be subdivided into 3 subsets; classical, intermediate, and non-classical monocytes [63 (link)].
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