Spleen and sLN DCs were analyzed as described elsewhere [23 (link),45 (link),46 (link)]. After density cut by 1.077 histopaque from digested spleen as shown in NK cell analysis, the light density fraction (<1.077 g/cm3) was collected and incubated for 30 min with the following FITC-conjugated monoclonal antibodies (mAbs): anti-CD3 (17A2), anti-Thy1.1 (OX-7), anti-B220 (RA3-6B2), anti-Gr1 (RB68C5), anti-CD49b (DX5), and anti-TER-119 (TER-119) (BioLegend, San Diego, CA, USA). The lineageCD11c+ cells were defined as DCs. Analysis was carried out on a FACS Aria II (Becton Dickinson, San Diego, CA, USA).
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