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4 protocols using igm apc cy7

1

Multiparameter Flow Cytometry of Hematopoietic Cells

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Single cell suspensions obtained from colony forming assays or hematopoietic organs from mice were surface stained with monoclonal antibodies. Antibodies used for analysis of human immature stem and progenitor cells from colony forming assays: CD34 PE-Cy7(581), CD38 APC (HIT2), CD10 PE/PeCy5/APC (HI10a), CD45RA PerCP-Cy5.5 (HI100), CD90 APC-Cy7 (5E10) (Biolegend). Antibodies for erythroid cells from colony assays and HEMA: CD117 PE-Cy7 (104D2), CD71 APC/APC-Cy7 (CY1G4) (Biolegend), CD235a BV421 (HIR2) (BD biosciences). Antibodies for myeloid cells from colony forming assays: CD34 PE-Cy7 (581), CD33 PE/PerCP-Cy5.5 (WM53), CD14 APC (M5E2), CD115 BV421 (g-4D2-1E4), CD15 PeCy5 (W6D3), CD66b PerCP-Cy5.5 (G10F5) (Biolegend). Antibodies for megakaryocyte populations: CD41 PerCP-Cy5.5 (HIP8), CD61 APC (VI-PL2) (Biolegend). Antibodies for overall human and human myeloid cells in xenograft assay: CD45 Biotin (HI30), CD34 PE-Cy7/APC-Cy7 (581), CD33 PE/PerCP-Cy5.5 (WM53), CD15 PeCy5 (W6D3). Antibodies for human B cells in xenograft assay: CD19 PE-Cy7 (HIB19), IgM APC-Cy7 (MHM-88), CD10 APC (HI10a) (Biolegend). Antibody to detect murine cells in xenograft assay: CD45 PE-Cy7/PerCP-Cy5.5 (30-F11) (Biolegend). Streptavidin APC/V450 (Biolegend) were used as secondary antibodies. BD LSRFortessa was used for flow cytometry. Analyses were performed using FlowJo.
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2

Immunophenotyping of Immune Cells

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Cells analysed were isolated from MLN, spleen or ileum. For staining cell numbers were adjusted to 1 × 106 cells/well. Cells were stained with IgM-APC-Cy7 (1:1000; Biolegend, San Diego, CA, USA), CD19-AF700 (1:1000; Biolegend), B220-VioBlue (1:500, Miltenyi Biotec GmbH, Bergisch Gladbach, Germany), granzyme B-FITC (1:100; eBioscience, San Diego, CA, USA), CD8-PE-Cy7 (1:3000; Biolegend) or CD3-APC-Cy7 (1:1000; Biolegend) antibody. For all dilutions MACS buffer was used. Cells were analysed in the Gallious Flow Cytometer (Beckman Coulter).
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Multiparametric Flow Cytometry of Murine Hematopoietic Cells

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Single cell suspensions obtained from colony-forming assays or hematopoietic organs from mice were surface stained with monoclonal antibodies: CD34 PE-Cy7(581), CD38 APC (HIT2), CD10 PE/APC (HI10a), CD45RA PerCP-Cy5.5 (HI100), CD90 APC-Cy7 (5E10), CD117 PE-Cy7 (104D2), CD71 APC (CY1G4), CD33 PE (WM53), CD14 APC (M5E2), CD115 BV421 (4D2-1E4), CD15 PeCy5 (W6D3), CD66b PerCP-Cy5.5 (G10F5), CD19 PE-Cy7 (HIB19), IgM APC-Cy7 (MHM-88), CD45 Biotin (HI30), CD45 PE-Cy7/V500 (30-F11) (Biolegend), and CD235a BV421 (HIR2) (BD Biosciences). Streptavidin PerCP-Cy5.5/V450 (Biolegend) was used as a secondary antibody. BD LSRFortessa and FlowJo were used for flow cytometry and analyses, respectively. The gating strategy was published earlier.31 (link)
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4

Multiparametric Flow Cytometry for Murine B Cell Subsets

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For flow cytometry, 1 × 106 single cells from PL, BM, and spleen were incubated with anti‐mouse CD16/32 (BioLegend) for 15 min to block unspecific Fc‐binding sites. Subsequently, cells were fluorescently stained in two mixes to identify B‐1 cells, CD138+ cells, splenic B‐2 cells, and BM subpopulations: B220‐FITC, anti‐CD5‐PerCP‐Cy5.5, anti‐IgD‐V450, anti‐IgM‐APC‐Cy7, anti‐CD43‐PE, anti‐CD138‐APC and anti‐CD23‐BV510, anti‐B220‐PerCP, anti‐CD21‐FITC, anti‐CD23‐BV510, and GLY7‐PE (BioLegend and BD Bioscience). For identification of PBs and plasma cells (PCs), fluorescent staining was performed using anti‐B220‐FITC, anti‐CD19‐V450, anti‐TACI‐APC, anti‐CD138‐PE, and 7‐AAD for exclusion of dead cells.
To analyze surface immune globulins after in vitro stimulation, splenic B cells were incubated with anti‐CD19‐V450, anti‐CD43‐PE‐Cy7, anti‐CD5‐APC, anti‐IgM‐APC‐Cy7, anti‐IgD‐PerCP and anti‐IgG1‐PE (LPS/IL‐4) or with anti‐CD19‐APC‐Cy7, anti‐CD43‐PE, anti‐CD5‐APC, anti‐IgA‐BV421, anti‐IgG2ab‐BB700, and anti‐IgG3‐PE‐Cy7 (LPS only) (Biolegend and BD Bioscience). Proliferation was analyzed via carboxyfluorescein succinimidyl ester‐staining.
All measurements were performed at the BD FACS Canto II and biaxial gating was done with FlowJo Version 10. For flow cytometry gating strategies the reader is referred to Figure S2.
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