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Pe labeled anti ccr7

Manufactured by BioLegend

The PE labeled anti-CCR7 is a laboratory reagent used for the detection and analysis of the CCR7 receptor on cells. It is a fluorescent-labeled antibody that binds to the CCR7 cell surface marker, allowing for its identification and quantification through flow cytometry or other immunoassay techniques.

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2 protocols using pe labeled anti ccr7

1

Phenotypic characterization of dendritic cell subsets

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Immature DC, mDC-LPS, mDC-Pam3CSK4 and, iDC treated with PGE2 were harvested by gentle flushing with 1 mL of culture medium, centrifuged for 5 min at 340 g, incubated in staining buffer (PBS, 2 mM EDTA, 0.5% FBS) with a 1:100 dilution of Human TruStain FcX (Biolegend) for 5 min at room temperature. Cells were then stained in cold staining buffer for 25 min with fluorophore-conjugated antibodies (APC-Cy7 labeled anti-HLA-DR (clone: L243, 1/400), PE labeled anti-CD80 (clone: 2D10, 1/200), PerCP-Cy5.5 labeled anti-CD86 (clone: IT2.2, 1/400), Pacific Blue labeled anti-PD-L1 (clone: 29E.2A3, 1/400), PerCP-Cy5.5 labeled anti-CCR5 (clone: J418J1, 1/400), and PE labeled anti-CCR7 (clone: G043H7, 1/400)) from Biolegend. After staining, the cells were washed with cold staining buffer, centrifuged twice for 5 min at 340 g at 4°C, and analyzed by flow cytometry using LSR-II flow cytometer (BD Biosciences) and the associated BD FACSDiva software. Data were then analyzed using the FlowJo 7.6.5 software (TreeStar).
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2

Flow Cytometric Profiling of CD4+ T Cell Subsets

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Peripheral blood mononuclear cells (PBMCs) were isolated from blood by density-gradient centrifugation using Ficoll-Paque Plus gradient (GE Healthcare). CD4+ T cells were enriched by positive selection using human CD4 MicroBeads (Miltenyi Biotec), and then CD4+ T cell subsets were sorted to 99% purity with a FACSAria (BD). For in vitro TCR stimulation, CD4+ naive and CXCR5+ cells were stimulated with anti-CD3 (5 µg/ml) and anti-CD28 (1 µg/ml) mAbs. PBMCs were stained with the following antibodies: PE-Texas Red–labeled anti-CD4 (clone: MHCD0417; Life Technologies), QD655-labeled anti-CD45RA (clone: MEM-56; Life Technologies), PE-labeled anti-CCR7 (clone: G043H7; BioLegend), purified mouse monoclonal IgG2b anti-CXCR5 (BRL-1, clone: 51505; R&D Systems) revealed by FITC-labeled anti–mouse IgG2b (Southern Biotech), PE-cyanine 5 (PeCy5)–labeled anti-CD183 (CXCR3; clone: 1C6/CXCR3; BD), PE-labeled anti-CD196 (CCR6; clone: 11A9; BD), BV785-labeled anti-CD279 (PD-1; clone: EH12.2H7; BioLegend). PeCy5-labeled anti-CD56 (clone: A07789; Beckman Coulter), anti-CD14 (clone: A07765; Beckman Coulter), anti-CD19 (clone: HIB19; BioLegend), anti-CD25 (clone: BC96; BioLegend), and anti-CD8 (clone: HIT8a; BioLegend) were included as a dump channel to exclude contaminant cells.
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