Ccr7 pe

The BMDCs were incubated with mouse Fc block (Miltenyi Biotec, Bergisch Gladbach, Germany) at 4°. Fluorochrome‐labelled monoclonal antibodies used in the experiments included anti‐mouse CD80‐allophycocyanin (APC), CD86‐phycoerythrin (PE), MHC‐II‐PE, CD11c‐APC, CD40‐APC, CD83‐PE, CCR7‐PE, CCR5‐APC, CXCR3‐APC, programmed death‐ligand 1 (PD‐L1) ‐PE, CD3e‐FITC, CD4‐PE, CD8‐APC, IL‐17‐PE, IL‐10‐PE, interferon‐γ (IFN‐γ) ‐PE‐Cy7, Foxp3‐APC and CD25‐PE (eBioscience) and their corresponding isotypic controls. For intracellular cytokine staining, cells were pre‐treated with Golgi Stop (BD Biosciences, Franklin Lakes, NJ) and were then stained with fluorochrome‐labelled surface staining monoclonal antibodies or isotypic control for 30 min. A Cytofix Cytoperm kit (BD Biosciences) was then used to permeabilize and fix cells at 4° for another 30 min. Perm wash buffer was used to wash the processed cells before staining them with anti‐IFN‐γ, anti‐IL‐17 and anti‐IL‐10 monoclonal antibodies and isotypic controls for 30 min at 4°. Anti‐mouse Foxp3 staining set APC (eBioscience) was used for Foxp3 immunostaining. Data were captured by flow cytometry (Beckman Coulter, Brea, CA) and analysed using the flowjo software (FlowJo, Ashland, OR).

Most analyses of BMDCs or TIDCs were carried out using flow cytometry with antibodies agains: MHCII-APC-Cy7 (BioLegend 1/100), CD86-PE (eBioscience 1/200), CD11c-FITC (TONBO Biosciences at 1/100), and CCR7-PE (eBioscience, 1/100). Harvested cells were incubated with CD16/32 FC block in FACS buffer (1 × PBS + 1% BSA), with primary antibodies added according to manufacturer recommendations for 30 minutes at 4°C. Cells were washed with ice-cold FACS buffer × 2 and analyzed using BD LSR II. Data were analyzed using FlowJo (V X.0.7).