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4 protocols using cd45 apc cy7 30 f11

1

Neutrophil Isolation from Murine Skin

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10-mm skin punch biopsies were minced and digested in 3 mL RPMI containing 100 μg/mL DNase I (Sigma-Aldrich) and 1.67 Wunsch units/mL Liberase TL (Roche) for one hour at 37 °C on a rotor wheel. Single cell suspensions were generated by passing digested skin samples through 100-μm cell strainers and washed in RPMI and PBS. Live versus Dead cells were stained using Live/Dead Fixable Aqua Dead Cell Stain Kit (Thermo Fisher). Cells were treated with CD16/CD32 Fc Block (S17011E, Biolegend) for 10 min before incubation with the antibody cocktail: CD45-APC/Cy7 (30-F11, Biolegend), CD11b-PE/Dazzle594 (M1/70, Biolegend), CD11c-PE/Cy7 (N418, Biolegend), Ly6C-APC (HK1.4, Biolegend), Ly6G-BV421 (1A8, Biolegend), F4/80-BV605 (BM8, Biolegend) and SiglecF-BB515 (E50-2440, BD Bioscience). Data were collected using a CytoFLEX LX (Beckman Coulter) and analyzed using FlowJo (BD). Neutrophils were gated as live CD45+CD11b+Ly6G+.
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2

Isolation and Characterization of Nonparenchymal Cells from Mouse Liver

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Nonparenchymal cells were isolated from mouse livers using a gentleMACS dissociator (Miltenyi Biotec, Bergisch Gladbach, Germany) and following the protocol for the preparation of single-cell suspensions from mouse liver provided by the manufacturer. Nonparenchymal cells were stained for different cell surface markers based on a previously described protocol.58 (link) The following antibodies (Biolegend, San Diego, CA, USA) were used: CD45-APC-Cy7 (30-F11), CD3-PerCP-Cy5.5 (145-2C11), CD4-Brilliant Violet 421 (GK1.5), CD8-PE-Cy7 (53-6.7), CD19-APC (6D5), CD11b-PerCP-Cy5.5 (M1/70), CD11 c-APC (N418), F4/80-PE (BM8) and Ly6 c-PE-Cy7 (HK1.4). For dead/live discrimination eFluor® 506 (eBioscience, San Diego, CA, USA) was used and cell suspensions were analyzed by flow cytometry. The gating strategy is illustrated in Supplementary Fig. 11.
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Comprehensive Immune Cell Phenotyping

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Cells isolated from mouse spleen and thymus were stained with Ghost Violet™ 510 viability dye (TONBO Biosciences) for dead cell exclusion, blocked with Fc block (2.4G2, BD Biosciences) and stained with the following anti-mouse antibodies from Biolegend: CD4-BV785 (GK1.5), CD44-PE-Cy7 (IM7), TCRb-APC (H57-597), CD8-PerCP-Cy5.5 (53-6.7) and CD45-APC-Cy7 (30-F11). Cells were then fixed and permeabilized using fixation and intracellular staining permeabilization wash buffer from Biolegend following the manufacturer’s instructions. Cells were stained with mouse anti-IRAP-AF594 (F5, Santa Cruz Biotechnology, dilution 1/20) or with rabbit a-Stx6 (ProteinTech, dilution 1/100) or monoclonal rabbit IgG (Cell Signaling Technology, dilution 1/500) followed by staining with a-rabbit AF594 (Thermo Fisher Scientific, dilution 1/200).
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4

Lung Leukocyte Isolation and Macrophage Phenotyping

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Lung leukocytes were isolated by digesting matched lung lobes in DNase (MilliporeSigma) (25 μg/mL) and Liberase (MilliporeSigma) (18 μg/mL) for 60 minutes with rocking at 37°C, crushing through 70-μm cell strainers, and centrifuging at 350 g for 10 minutes. Erythrocytes were eliminated using ACK Lysing Buffer (Gibco). Lung leukocyte numbers were determined by flow rate. To assess cell populations and macrophage phenotype, lung leukocytes (4 × 105) were labeled with a viability dye (Invitrogen Live/Dead Aqua), preincubated with unlabeled anti-CD16/32 antibody, and stained with: CD45-APC-Cy7 (30-F11, BioLegend), CD11b-Percp (M1/70, BioLegend), F4/80-BV421 (BM8, BioLegend), CD206-APC (C068C2, BioLegend), and iNOS (K13-A, Biorbyt). Macrophages were gated as CD45+F4/80+/CD11b+ and then separated into distinct M1 (CD45+F4/80+/CD11b+/iNOS+) and M2 (CD45+F4/80+/CD11b+/CD206+) subsets. Flow cytometry was performed using a FACSCanto II and data were analyzed using FlowJo (Tree Star).
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