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4 protocols using anti granzyme b v450

1

Polyfunctional T-cell Profiling by Flow Cytometry

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ICS flow cytometry was done as previously described85 . In brief, 106 PBMCs were pulsed with autologous peptide at 10 μM in the presence of co-stimulatory antibodies (anti-CD28 and anti-CD49D), anti-CD107a-FITC, monensin, and brefeldin A (all from BD Biosciences) for 6 hrs. The cells were then surface stained with LIVE/DEAD cell dye (Invitrogen), anti-CD3-Alexa 780 (eBioscience), and anti-CD8-PE (BD Biosciences). The cells were permeabilized and labeled with anti-IFN-γ-Alexa 700, anti-IL-2-APC, anti-TNFα-PECy7, and anti-Granzyme B-V450 (all from BD Biosciences). CD3 events greater than 100,000 were acquired on an LSR II (BD Immunocytometry Systems), and data were analyzed using FlowJo (version 9.6.4; TreeStar). Polyfunctionality analysis was performed using Boolean gating and SPICE & PESTLE (version 5.1; NIAID)86 .
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2

Multiparametric Flow Cytometry Profiling of Immune Cells

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The following antibodies were used for flow cytometric analysis: Anti-Perforin-Alexa fluor 488, anti-CD28-allophycocyanin (APC), anti-CD19-APC, anti-CD3-APC, anti-CD56-APC, anti-CD3-APC-cyanin7 (Cy7), anti-CD8-APC-Cy7, anti-CD14-APC-Cy7, anti-CD14-fluorescein isothiocyanate (FITC), anti-HLA-DR-FITC, anti-CD16-R-phycoerythrin (PE), anti-GATA3-PE, anti-CD45RA-PE-cyanin 5 (Cy5), anti-CD4-PE-Cy5, anti-CD16-PE-Cy5, anti-CCR7-PE-Cy7, anti-CD4-PE-Cy7, anti-CD4-V450, anti-GranzymeB-V450, anti-CD8-V500, anti-CD3-V500 (all from BD Bioscience, Franklin Lakes, NJ), anti-CD57-FITC, anti-CD4-FITC, anti-CD85j-PE, anti-CX3CR1-PE, anti-T-bet-PE-Cy7, anti-Eomes-Peridinin chlorophyll (PerCP)-efluor710 (six from eBioscience, San Diego, CA), anti-HLA-DR-PE-Cy5, anti-IL-7Rα-V450, anti-CD57-V450 (three from BioLegend, San Diego, CA), anti-CX3CR1-FITC (MBL International Corporation, Woburn, MA). For intracellular staining of T cell lineage-specific transcription factors (T-bet, Gata3, and Eomes), granzyme B and perforin, PBMC were fixed and permeabilized with Fix/Perm buffer set (BioLegend). Stained cells were acquired by a BD LSRFortessa (BD bioscience) and analyzed by using FlowJo software (ver. 9.0 or 10.0; Tree Star, OR).
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Intracellular Cytokine and Effector Profiling

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Intracellular cytokine and effector molecule production was assessed using flow cytometry as described previously (40 (link)). Briefly, 106 cells were pulsed with peptide at a concentration of 10 μM in the presence of co-stimulatory antibodies (anti-CD28 and anti-CD49d), anti-CD107a-FITC, monensin, and brefeldin A (all from BD Biosciences). After 6 h, the cells were stained with a LIVE/DEAD dye (Invitrogen), anti-CD3-Alexa 780 (eBioscience), and anti-CD8-PE (BD Biosciences). The cells were then permeabilized and labeled with anti-IFN-γ-Alexa 700, anti-IL-2-allophycocyanin, anti-TNFα-PECy7, and anti-Granzyme B-V450 (all from BD Biosciences). At least 100,000 CD3+ events were acquired on an LSR II flow cytometer (BD Immunocytometry Systems), and data were analyzed using FlowJo software (version 9.6.4; TreeStar Inc.). Polyfunctionality analysis was performed using Boolean gating with SPICE & PESTLE software (version 5.1; NIAID).
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4

Polyfunctional T-cell Profiling by Flow Cytometry

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ICS flow cytometry was done as previously described85 . In brief, 106 PBMCs were pulsed with autologous peptide at 10 μM in the presence of co-stimulatory antibodies (anti-CD28 and anti-CD49D), anti-CD107a-FITC, monensin, and brefeldin A (all from BD Biosciences) for 6 hrs. The cells were then surface stained with LIVE/DEAD cell dye (Invitrogen), anti-CD3-Alexa 780 (eBioscience), and anti-CD8-PE (BD Biosciences). The cells were permeabilized and labeled with anti-IFN-γ-Alexa 700, anti-IL-2-APC, anti-TNFα-PECy7, and anti-Granzyme B-V450 (all from BD Biosciences). CD3 events greater than 100,000 were acquired on an LSR II (BD Immunocytometry Systems), and data were analyzed using FlowJo (version 9.6.4; TreeStar). Polyfunctionality analysis was performed using Boolean gating and SPICE & PESTLE (version 5.1; NIAID)86 .
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