Brain-infiltrating cells were prepared following our previously published protocol73 (link). Cells were blocked with unconjugated anti-CD16/32 (clone 93; BioLegend), then surface labeled with PerCP-conjugated anti-CD45 (BD Pharmingen, clone 30-F11), FITC-conjugated anti-CD11b (BD Pharmingen, clone M1/70), and PE-conjugated anti-Ly6C/G (Gr1; BD Pharmingen, clone RB6-8C5) or anti-Ly6G (BD Pharmingen, clone 1A8) at 1:200 dilution for 30 min at 4 °C. Flow cytometric analysis was performed on an Accuri C6 and gates were applied as previously described6 (link). Data were subsequently analyzed in FlowJo and SigmaPlot (Systat Software).
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