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7 protocols using ccr2 apc

1

Multicolor Flow Cytometry Analysis

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Cells were suspended in 3% FBS 2mM EDTA in PBS and staining was performed in the presence of 2% NRS, 2% Fc block (BD), and fixable viability dye eFluor 450 (eBioscience). Cells were stained with the following antibodies from BD: CD3-APC (145-2C11), CD19- APC (1D3), CD11c-V450 or PE-Cy7 (HL3), NK1.1-APC (PK136), Ly6G-V450 (1A8), Ly6C-PerCP-Cy5.5 (AL-21), CD11b-PE (M1/70), B220-APC (RA3-6B2), CD45-APC (30-F11), SiglecF-BV421 (E50-2440), CD8-PerCP-Cy5.5 (53-6.7). And the following antibodies from eBioscience: CD103-APC (2E7), EpCAM-PE-Cy7 (G8.8), CD31-PerCP-eFluor 710 (390), MHC Class II (I-A/I-E) eFluor 450 (M5/114.15.2), FasL-APC (MFL3), CD4-APC (GK1.5), and from R&D: CCR2-APC (475301). Alexa Fluor 647 protein labeling kit (Thermo) was used to label the influenza M2 (E10) (Bourmakina and García-Sastre, 2005 (link)) antibody. Cells were fixed with 2% formaldehyde after staining and analyzed on an LSRII after gating for FSC/SSC, singlets, and live cells. Cells were quantitated by flow cytometry with AccuCount Particles (Spherotech). Sorting was performed similarly on FACSAria.
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2

Multiparameter Flow Cytometry Immune Profiling

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Single-cell-suspensions of splenocytes and liver leukocytes were stained for cell surface markers using specific fluorophore-conjugated antibodies optimized for flow cytometry. Reagents and antibodies used in this study were LIVE/DEAD Fixable Blue Dead Cell Stain (ThermoFisher), CD11b-BUV395 (Clone: M1/70; BD Biosciences), Siglec-F-BUV615 (Clone: E50-2440; BD Biosciences), NK1.1-BUV661 (Clone: PK136; BD Biosciences), B220-BUV737 (Clone: RA3-6B2; BD Biosciences), CD8α-BUV805 (Clone: 53–6.7; BD Biosciences), MHCII(I-A/I-E)-BV510 (Clone: M5/114.15.2; BioLegend), CD4-BV570 (Clone: RM4-5; BioLegend), SCA-1-BV711 (Clone: D7; BioLegend), CD11c-BV785 (Clone: N418; BioLegend), Ly6C-FITC (Clone: HK1.4; BioLegend), Siglec-H-PerCP/Cy5.5 (Clone: 551; BioLegend), F4/80-PE (Clone: BM8; BioLegend), CD3ε-PE/Cy5 (Clone: 145-2C11; ThermoFisher), CD80-PE/Cy7 (Clone: 16-10A1; BioLegend), CD115-AF594 (Clone: AFS98; BioLegend), CCR2-APC (Clone: 475301; R&D Systems), CD45-AF700 (Clone: 30-F11; BioLegend), CD48-APC/Cy7 (Clone: HM48-1; BioLegend), Ly6G-Biotin (Clone: 1A8; BioLegend; with secondary antibody streptavidin-DyLight 800; ThermoFisher). Stained and fixed (4% PFA; 10 min in the dark) cells were analyzed with a Becton Dickson custom 10-laser ‘LSR-II’ flow cytometer and FlowJo software (v.10.4.1).
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3

Flow Cytometry Antibody Panel

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We purchased directly conjugated monoclonal antibodies for flow cytometry from Invitrogen (Waltham, MA, USA): CD4-PE, Clone GK1.5; CD11b-ef450, Clone M1/70; CD44-FITC, Clone IM7; CD45AF700, Clone 30-F11; CD206-APC, Clone MR6F3; FoxP3-ef450, Clone FJK-16S, IFN-γ-PE, Clone XMG1.2; GzmB-APC, Clone GB11; iNOS-PE, Clone CXNFT; live dead fixable dead cell stain kit, Catalogue No. L34959. BD Pharmingen (San Jose, CA, USA): CD3-AF700, Clone 17A2; CD4-Pacblue and perCPcy5.5, Clone RM4-5; CD8-FITC, perCPcy5.5, and PECY7, Clone 53-6.7; CD62L-PECY7, Clone MEL-14; H2Kd-PE, Clone 17A2; Ly6G-PE and percpcy5.5, Clone 1A8; Ly6C-APCCY7, Clone- AL-21; TNF-α PECY7, Clone MP6-XT22. Biolegend (San Diego, CA, USA): CD3-PECY7 Clone 17A2; B220-percpcy5.5, Clone RA3-6B2. R&D Systems: CCR2-APC, Clone 475301; CCL2-APC, Clone 123616. eBioscience (San Diego, CA, USA): H2Kd/Dd-ef450 Clone 34-1-25; CD4-APC, Clone GK1.5.
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4

Multicolor Flow Cytometry Analysis

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Cells were suspended in 3% FBS 2mM EDTA in PBS and staining was performed in the presence of 2% NRS, 2% Fc block (BD), and fixable viability dye eFluor 450 (eBioscience). Cells were stained with the following antibodies from BD: CD3-APC (145-2C11), CD19- APC (1D3), CD11c-V450 or PE-Cy7 (HL3), NK1.1-APC (PK136), Ly6G-V450 (1A8), Ly6C-PerCP-Cy5.5 (AL-21), CD11b-PE (M1/70), B220-APC (RA3-6B2), CD45-APC (30-F11), SiglecF-BV421 (E50-2440), CD8-PerCP-Cy5.5 (53-6.7). And the following antibodies from eBioscience: CD103-APC (2E7), EpCAM-PE-Cy7 (G8.8), CD31-PerCP-eFluor 710 (390), MHC Class II (I-A/I-E) eFluor 450 (M5/114.15.2), FasL-APC (MFL3), CD4-APC (GK1.5), and from R&D: CCR2-APC (475301). Alexa Fluor 647 protein labeling kit (Thermo) was used to label the influenza M2 (E10) (Bourmakina and García-Sastre, 2005 (link)) antibody. Cells were fixed with 2% formaldehyde after staining and analyzed on an LSRII after gating for FSC/SSC, singlets, and live cells. Cells were quantitated by flow cytometry with AccuCount Particles (Spherotech). Sorting was performed similarly on FACSAria.
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5

Multiparameter Flow Cytometry Analysis

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The erythrocyte-depleted single cell suspension from BM, inguinal lymph nodes and tumor (as described in Cell Sorting) were incubated with anti-FcγR antibody, followed by incubation with fluorescently labeled antibodies. Ly6G-PE, Ly6C-PerCP/Cy5.5, CD11b-FITC, CD4-PE/Cy7, and MHCII- PE/Cy7 were purchased from Biolegend. Gr-1-PE, Foxp3-FITC, Granzyme B-PE, MHCII-PE, CD11b-PerCP/Cy5.5, LAMP2-eF660, and CD8-AF647 were purchased from eBioscience. PD-1-APC, CCR5-APC and CCR3-PE were purchased from Myltenyi Biotec. Purified anti-CCL5 (Peprotech), secondary APC-conjugated goat anti-rabbit (Columbia Bioscience), iNOS-FITC (BD Bioscience) and CCR2-APC (R&D), CCR1 (R&D) were also acquired from different commercial sources. Data acquisition was performed using FACScan (Becton Dickinson) and analyzed via FlowJo (Tree Star, Inc).
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6

Isolation and Analysis of Human Monocyte Subsets

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Whole blood was layered onto Ficoll-Paque PLUS (GE Healthcare, Uppsala, Sweden) for density gradient centrifugation and PBMC collection. Cells were immediately stained for flow cytometry, using antibodies to human CD14 (BD, Franklin Lakes, NJ; clone M5E2), CD16 (BD; clone 3G8), and CCR2-APC (R&D Systems, Minneapolis, MN; clone 48607) or isotype matched control antibodies, as described previously.12 (link) Monocyte subsets were acquired with the BD FACSCantoII flow cytometer, and analysis performed using FlowJo software (v. 10.0.8, TreeStar, Ashland, OR). For this analysis, results for CD14+ and CD14+CD16+ expressing monocytes were reported as the percentage of total monocytes; for CCR2+CD14+ and CCR2+CD14+CD16+, as a percentage of CD14+ and CD14+CD16+ monocytes, respectively.
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7

Immune Cell Profiling of Murine Lungs

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Lungs were digested for 40 min in 1 mg/ml collagenase type 4 (Worthington) 5% FBS in DMEM. Cells were then filtered through a 0.2 μm cell strainer and RBCs were lysed. Cells were suspended in 3% FBS 2 mM EDTA in PBS and staining was performed in the presence of 2% NRS, 2% Fc block (BD), and fixable viability dye eFluor 450 (ebiosciences). Cells were stained with the following antibodies from BD: Ly6C-PerCP-Cy5.5 (AL-21), CD11b-PE (M1/70), Ly6G-V450 (1A8), CD11c-V450 or PE-Cy7 (HL3), CD45.1-FITC (A20), CD45.2-PE-CF594 (104), the following antibodies from eBiosciences: MHC Class II (I-A/I-E) e450 (M5/114.15.2), FasL-APC (MFL3), and from R&D: CCR2-APC (475301). Influenza M2 (E10) (85) was conjugated to Alexa 647. Cells were fixed with 2% formaldehyde after staining and analyzed on an LSRII after gating for FSC/SSC, singlets, and live cells.
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