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Anti cd161 pe cy7

Manufactured by BioLegend

Anti-CD161 PE-Cy7 is a fluorescently-labeled antibody that binds to the CD161 surface antigen. CD161 is a type II transmembrane protein expressed on natural killer cells, a subset of T cells, and other immune cell populations. This antibody can be used to identify and study CD161-expressing cells in flow cytometry applications.

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3 protocols using anti cd161 pe cy7

1

Phenotypic analysis of PBMCs

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Peripheral blood mononuclear cells at 1 × 106 viable cells/mL (final concentration) in complete DMEM/F12 were incubated with anti-CD3 AF700 (Biolegend), anti-CD28 Pacific blue (PB) (Biolegend), anti-CD161 PE-Cy7 (Biolegend), anti-CD158d PE (Biolegend), and anti-TCR Vα24-Jα18 FITC (Biolegend) or the corresponding isotype controls. All antibodies were purchased from Biolegend (United Kingdom). After 20 min at 20°C cells were washed, and fixed with 1% formalin. Data were acquired by flow cytometry (EC800 Sony) and analyzed using FlowJo software.
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2

Multiparametric Flow Cytometry of PBMCs

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Peripheral blood mononuclear cells (PBMC) were isolated by Ficoll–Paque PLUS (GE Healthcare, Uppsala, Sweden) density-gradient centrifugation. Cell viability was assessed by trypan blue dye exclusion, and it was always higher than 95%. Cells were resuspended in BD Horizon Brilliant Stain Buffer (BD Life Sciences, San Jose, CA) and stained with the following MoAbs: anti-CD4-BV510 (BD Horizon, San Jose, CA), anti-CD183 (CXCR3)-APC-Cy7 (BioLegend Inc., San Diego CA), anti-CD243 (MDR-1)-PerCp/Cy5.5 (BioLegend), and anti-CD161-PE/Cy7 (BioLegend). Then, cells were fixed, permeabilized with p-formaldehyde 4.0% and saponine 0.1%, and additionally stained with the following MoAbs: anti-IL-10-PE (BioLegend), anti-IFN-γ-FITC (BioLegend), anti-IL-17A-BV421 (BD Horizon), and anti-IL-22-APC (eBioscience Inc., San Diego, CA). Negative controls were designed according to the fluorescence minus-one (FMO) strategy, and cells were analyzed in a FACSCanto flow cytometer (Becton–Dickinson) and with the Flow Jo software (Tree Star Inc, Ashland, OR).
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3

Staining and Analysis of Human PBMCs

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PBMCs were isolated from whole blood of healthy donors (authorized by the Australian Red Blood Cross Service Material Supply Agreement with the University of Melbourne) as described previously (Reantragoon et al., 2013 (link)). Approximately 1.2 × 106 human PBMCs were stained with live/dead discriminator (Live/Dead Fixable Aqua Dead Cell Stain kit; Invitrogen) PE-labeled, human tetrameric, MR1–5-OP-RU, MR1-6-FP or MR1–Ac-6-FP at 5 µg/ml, anti-CD3-Alexa Fluor 700 (BD), and anti-CD161-PE-Cy7 (BioLegend) mAb for 30 min on ice in the dark. Cells were then washed three times with wash buffer (2% fetal calf serum in PBS) and resuspended in fixing solution (2.1% glucose and 1% paraformaldehyde in PBS). Data were acquired using an LSR Fortessa (BD) and analyzed using FlowJo software.
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