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7 protocols using anti cd3 17a2

1

Comprehensive Tumor Immune Profiling

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Flow cytometry was used to analyze the tumor immune microenvironment. All tumor tissue samples per group were collected. Cells from the tumors were counted and cell surface markers were stained with the following fluorescently conjugated antibodies: anti-CD45 (30F11, BD Biosciences), anti-CD4 (RM4-5, BD Biosciences), anti-CD8 (53-6.7, Miltenyi Biotec), anti-CD3 (17A2, BD Biosciences), antiCD11b (M1/70, Invitrogen), anti-PD-1 (10F.9G2, BioLegend), anti-CD25 (PC61, Biolegend), anti-CD49b (DX5, BD Biosciences), anti-Granzyme b/Cryofix (GB11, Invitrogen), Viability UV Zombie. Flow cytometry data were acquired on the BD LSRFortessa X20 cytometer and FlowJo software (Ashland, OR, USA) was used for analyses.
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Comprehensive Immunophenotyping by Flow Cytometry

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Flow cytometry was performed using fluorochrome-labeled Abs for surface staining anti-CD90.1 (OX-7), anti-CD90.2 (53-2.1), anti-CD4 (RM4.5), anti-CD69 (H12F3), anti-CD127 (A7R34), anti-CD122 (TM-β1), anti-CD103 (B-Ly7), anti-KLRG1 (2F1), anti-CDH1 (DECMA-1), anti-SLAMF6 (13G3-19D), anti-RANKL (IK22/5), anti-CD40 (1C10), anti-CD86 (GL1), anti-MHC-II (M5/114.15.2), anti-CD11c (HL3), anti-NK1.1 (PK136), anti-CD11b (M1/70), and anti-CD3 (17A2) (BD Biosciences, eBioscience, or BioLegend). Intracellular cytokine staining was performed by stimulating cells for 16 h with OVAII peptide-pulsed APC. After 2h, 10 μg/ml Brefeldin A (Sigma) was added and after a further 2 h, the cells were surface stained and fixed for 20 min in 4% paraformaldehyde. Intracellular staining was performed by permeabilizing the cells for 10 min in 0.1% saponin before staining for cytokine by the addition of anti-IFN-γ (XMG1.2), anti-IL-2 (JES-5H4), anti-IL-6 (MP5-20F3), anti-IL-10 (JES-16E3), anti-IL-12 (C17.8), and anti-IL-17 (eBio17B7) fluorescently labeled Abs. Analysis was performed using LSRII or Canto II instruments (BD Biosciences) and FlowJo (Tree Star) analysis software.
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3

Comprehensive Flow Cytometry Immunophenotyping

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The following antibodies were used in flow cytometry with the indicated antibody clones and manufacturers for the mouse experiments: Anti-CD3 (17A2; BD Biosciences), anti-CD19 (6D5; BioLegend), anti-CD11c (clone: N418; Biolegend), anti-CD11b (M1/70; BioLegend), anti-CD49b (DX5; eBioscience), anti-CD25 (PC61; BD Biosciences), anti-CD90.2 (anti-Thy-1.2; 53 2.1; eBioscience), anti-CD11c (N418; eBioscience), anti-ST2 (DIH9; BioLegend), anti-Siglec-F (clone: E50-2440; Biolegend) anti-CD4 (RM4-5; BD Biosciences), anti-IL-13 (ebio13A, eBioscience), anti-Foxp3 (FJK-16S; eBioscience), anti-CD62L(MEL-14; eBioscience), LGR6 (17658-1-AP; Proteintech). Flow cytometric data acquisition was performed on an LSRFortessa flow cytometer (BD Biosciences), and the data analyzed using FlowJo software version 10.3 (Tree Star). The gating strategy is provided in SI Appendix, Fig. S7 for populations analyzed.
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4

Multiparametric Flow Cytometry Analysis of Tumor-Infiltrating Immune Cells

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Anti-CD3 (17A2, cat. 561388), anti-CD4 (RM4-5, cat. 553047), anti-CD44 (IM7, cat. 561859), anti-CD62L (MEL-14, cat. 560516), anti-B220 (RA3-6B2, cat. 553091), anti-Foxp3 (MF23, cat. 562996) and anti-CD23 (B3B4, cat. 561772) were purchased from BD company (Franklin Lakes, NJ, USA). Anti-CD8a (53–6.7, cat. 100734), anti-IgM (RMM-1, cat. 406531) and anti-CD21 (7E9, cat. 123411) were obtained from BioLegend (San Diego, CA, USA). For flow cytometry experiments, total eight axillary LNs were dissected from four each of normal and tumor-bearing mice and pooled separately. Cells were harvested and washed with 1X PBS. Cells were stained with antibodies within 1:100 dilution for 40 min at 4°C with gentle mix, then washed with 1X PBS prior to Attune NxT cytometer (Thermo Fisher Scientific) analysis. For Foxp3 staining, cells were mixed with 1 ml of Fix/Perm solution and incubated at room temperature for 15 min. Cells were washed with 1X PBS and stained with anti-Foxp3 antibody for flow cytometry analysis.
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5

Multiparameter Flow Cytometry Panel

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The following antibodies were used in flow cytometry:
Anti-CD3 (17A2; BD Biosciences), anti-CD19 (6D5 BioLegend), anti-CD11b Pacific Blue (M1/70; BioLegend), anti-CD49b(DX5; eBioscience), anti-CD25 APC (PC61; BD Biosciences) ; anti-CD90.2 (anti-Thy-1.2; 53-2.1; eBioscience); CD11c (N418; eBioscience); and anti-ST2(Biolegend), Anti-CD4 (RM4-5, BD Biosciences), Foxp3(FJK-16S, eBioscience,), anti-CD62L(MEL-14, eBioscience), anti-IL-13(ebio13A, eBioscience), and anti IL-5 (TRFK5, BioLegend).
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6

Comprehensive Immunophenotyping by Flow Cytometry

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Flow cytometry was performed using fluorochrome-labeled Abs for surface staining anti-CD90.1 (OX-7), anti-CD90.2 (53-2.1), anti-CD4 (RM4.5), anti-CD69 (H12F3), anti-CD127 (A7R34), anti-CD122 (TM-β1), anti-CD103 (B-Ly7), anti-KLRG1 (2F1), anti-CDH1 (DECMA-1), anti-SLAMF6 (13G3-19D), anti-RANKL (IK22/5), anti-CD40 (1C10), anti-CD86 (GL1), anti-MHC-II (M5/114.15.2), anti-CD11c (HL3), anti-NK1.1 (PK136), anti-CD11b (M1/70), and anti-CD3 (17A2) (BD Biosciences, eBioscience, or BioLegend). Intracellular cytokine staining was performed by stimulating cells for 16 h with OVAII peptide-pulsed APC. After 2h, 10 μg/ml Brefeldin A (Sigma) was added and after a further 2 h, the cells were surface stained and fixed for 20 min in 4% paraformaldehyde. Intracellular staining was performed by permeabilizing the cells for 10 min in 0.1% saponin before staining for cytokine by the addition of anti-IFN-γ (XMG1.2), anti-IL-2 (JES-5H4), anti-IL-6 (MP5-20F3), anti-IL-10 (JES-16E3), anti-IL-12 (C17.8), and anti-IL-17 (eBio17B7) fluorescently labeled Abs. Analysis was performed using LSRII or Canto II instruments (BD Biosciences) and FlowJo (Tree Star) analysis software.
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7

Flow Cytometry for Whole Blood Cell Profiling

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Cell populations in whole blood were identified and quantified by flow cytometry with the following antibodies: anti-CD115 (AF598, eBioscience), anti-Gr-1 (RB6-8C5, Biolegend), anti-CD3 (17A2, BD Bioscience), anti-CD4 (RM4-5, BD Bioscience), CD8a (53-6.7, BD Bioscience), anti-B220 (RA3-6B2, Biolegend). Antibodies were added directly to 100 mL of heparinized whole blood at a 1:200 dilution and incubated at room temperature for 30 minutes. Stained cells were fixed and erythrocytes were lysed simultaneously with 1-step Fix/Lyse solution (Affymetrix eBioscience). AccuCheck Counting beads (Invitrogen) were added to obtain total cell counts. Samples were acquired on a BD LSRFortessa using DIVA software and analyzed by Flowjo (Treestar) software.
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