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4 protocols using igg2a pe

1

Flow Cytometry Analysis of Macrophages

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The flow cytometry was carried out using the BD FACSCanto II Cell Analyzer (BD Bioscience). The analysis of THP-1 macrophages, human classical monocytes, and Kupffer cells was performed as described previously with some modifications (Tian et al., 2016 (link)). Briefly, cells were collected and incubated with primary antibodies IgG2a-PE, IgG1-APC, CD14-PE, APC anti-human CD11b antibody (Biolegend, #301310), APC anti-human CD16 antibody (Biolegend, #360705), F4/80-PE (eBioscience, #12-4801-82), or IgG2a-PE (eBioscience, #12-4321-80) at 4°C for 30 minutes. Cells were rinsed with PBS three times before the flow cytometry analysis. Data were analyzed by FlowJo 10 software (BD Bioscience)
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2

Flow Cytometry Analysis of Macrophages

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The flow cytometry was carried out using the BD FACSCanto II Cell Analyzer (BD Bioscience). The analysis of THP-1 macrophages, human classical monocytes, and Kupffer cells was performed as described previously with some modifications (Tian et al., 2016 (link)). Briefly, cells were collected and incubated with primary antibodies IgG2a-PE, IgG1-APC, CD14-PE, APC anti-human CD11b antibody (Biolegend, #301310), APC anti-human CD16 antibody (Biolegend, #360705), F4/80-PE (eBioscience, #12-4801-82), or IgG2a-PE (eBioscience, #12-4321-80) at 4°C for 30 minutes. Cells were rinsed with PBS three times before the flow cytometry analysis. Data were analyzed by FlowJo 10 software (BD Bioscience)
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3

Multicolor Flow Cytometry of Murine Hematopoietic Cells

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Single-cell suspension of bone marrow was obtained by mechanical dissociation using mortar and pestle, and whole spleens were mashed into suspension using a 70-µm cell strainer (BD Falcon). Bone marrow cells, splenocytes, and peripheral blood from mice were red cell-lysed in ACK lysis buffer, and cells were incubated with cell surface FACS antibodies (in FACS buffer; 2% FCS in PBS) for at least 1 h on ice before analysis on a BD LSR II or BD LSR Fortessa flow cytometer. For staining with antibody cocktails, compensation was set using single-stained controls. B220-APCCy7 (103223), B220-APC (103211), and Flt3-PE (135306) were purchased from Biolegend. CD3-PE (561799), Mac1-PerCPCy5.5 (550993), IgD-PE (558597), IgM-APC (550676), CD19-PECy7 (552854), CD24-PerCPCy5.5 (562360), and CD43-PECy7 (562866) were purchased from BD Biosciences. ckit-PerCP eFluor710 (46-1171-80), hTSLPR (CRLF2)-PE (12-5499-42), and hCD127-PECy7 (25-1278-41) were purchased from eBioscience. mTSLPR (Crlf2)-PE (FAB5461P) was purchased from R&D Systems. An IgG isotype antibody was used as a negative control for IL7R (IgG1-PECy7; BD Biosciences, 557872) and CRLF2 (IgG2a-PE; eBioscience, 12-4724-82).
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4

Immunohistochemical Analysis of Splenic and Renal Tissues

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Splenic and kidney sections were embedded in Tissue-Tek OCT compound (Sakura Finetek) and rapidly frozen in a freezing bath of dry ice and 2-methylbutane. Frozen OCT samples were cryosectioned and unstained slides were stored at −80°C. Immunohistochemical staining procedures were performed as previously described (1 (link), 2 (link), 5 (link)). For detection of germinal centers in the spleen, the following monoclonal Abs were used: GL7-AF488, IgD-PE, and CD4-allophycocyanin (all from BioLegend). For detection of renal deposition, C3-FITC (Cedarlane, Burlington, NC) and IgG2a-PE (eBioscience) Abs were used. Images were captured with a Zeiss LSM 880 confocal microscope (Fralin Imaging Center, Virginia Tech). Corrected total cell fluorescence scores were calculated with ImageJ software (National Institutes of Health, Rockville, MD).
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