CyTOF Cytometry by Time-of-Flight CXCL10 C-X-C motif chemokine 10 eGFP Enhanced green fluorescent protein FISH Fluorescence in situ Hybridization GCL Ganglion cell layer GPNMB Glycoprotein non-metastatic b hCMEC/D3 Human cerebral microvessel endothelial cells/D3 hiPSCs Human-induced pluripotent stem