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2 protocols using cd1d pe

1

Immune Cell Characterization by Flow Cytometry

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The procedure used in this study has been published previously (14 (link),26 (link)). Briefly, the following anti-mouse monoclonal antibodies were purchased from BD Biosciences: Ly6G-peridinin chlorophyll protein (PerCP)-Cy5.5 (1A8; 560602), Ly6C-fluorescein isothiocyanate (FITC) (AL-21; 553104), CD4-allophycocyanin (APC) (RM4-5; 553051), CD25-FITC (7D4; 553071), and CD19-APC (1D3; 550992). The following antibodies were purchased from BioLegend: CD45-FITC (30F-11;103108), CD45-PerCP-Cy5.5 (30F-11;103132), CD45-brilliant violet (BV510) (30F-11;103138), CD11b-APC/Fire750 (M1/70;101262), CD244-Alexa Fluor 647 (2B4;133509), F4/80-phycoerythrin (PE) (BM8;123110), PD-L1-BV421 (10F.9G2;124315), CD8a-APC/Fire 750 (53-6.7;100766), CD8a-PE (53-6.7; 100708), CD127-BV510 (A7R34;135033), CD1d-PE (1B1;123509), and CD5-BV421 (53-7.3;100618). The isolated immune cells were stained in a 96-round-bottom-well plate for 20 min at 4°C and washed with PBS containing 1% bovine serum albumin. Sorting of Ly6G+CD244+ and Ly6G+CD244 cells was conducted on a FACSAria instrument (BD Biosciences). Flow cytometric data were obtained by a FACS Verse instrument (BD Biosciences) and analyzed by FlowJo software (TreeStar, Inc.). CD45-gated cells were analyzed in this study.
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2

B Cell Immunophenotyping and Cytokine Analysis

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B cells were washed once in cold PBS containing 0.1% BSA (FACS buffer) before blocking with anti-FcγRII/FcγRIII (2.4G2, BD Pharmingen, San Diego, CA). Stainings were performed on ice using conjugated mAbs (eBioscience, San Diego, CA, if not stated otherwise), diluted 1:300 in FACS buffer for surface marker and 1:200 for intracellular cytokine staining followed by incubation for 20 min. After washing with FACS buffer, cells were analysed on a FACS Canto II (BD) using FlowJo software (Tree star, Ashland, OR). The following Abs were used: B220-FITC (#11-0452-86), CD5-PE-Cy7 (#25-0051-81), CD1d-PE (#12-0011-81), CD138-APC (#142506, Biolegend), IgM-FITC (#11-5890-85), IgG1-PE (#12-4015-82), CD4-FITC (#11-0041-82), IL-2-APC (#17-7021-81), IFNγ-APC (#17-7311-82) and IL-10-PerCP (#45-7101-80). Abs against TNF−α−PE (#130-092-245) and IL-17-PE (#130-094-296) were from Miltenyi Biotec. For intracellular staining, the fixation and permeabilization kit (Plus Brefeldin A; eBioscience, Cat. no. 88-8823-88) was used according to manufacturer's recommendation.
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