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3 protocols using cd3 percp cy5

1

Phenotypic Characterization of Cell Subsets

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Various subpopulations within the cell products (PBMCs prior to culture and cultured DC-CIKs) were identified by flow cytometry, as previously described (11 (link)), using the following fluorochrome-conjugated antibodies: CD3 PerCP-Cy5.5, CD4 FITC, CD8 FITC, CD25 PE, CD28 PE, CD56 PE (all Beckman Coulter, Inc.), PD-1 PE, lymphocyte-activation gene 3 (LAG-3) PE, tumor necrosis factor receptor superfamily member 9 (4-1BB; CD137) PE and T cell immunoglobulin and mucin protein 3 (TIM-3) PeCy-7 (all BioLegend, Inc.). Three-color flow cytometry analysis was performed on a Cytomics FC500 flow cytometer with CXP analysis software (Beckman Coulter, Inc.).
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2

Multiparameter Flow Cytometry Assay

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Conjugated antibodies and staining reagents included MIP-1β-PE, CD3-PB, CD3-PE-Cy7, CD3-PerCP-Cy5.5, CD3-APC-Cy7, CD3-Horizon V450, CD4-PerCP-Cy5.5, CD4-AmCyan, CD4-FITC, CD8α-APC, CD8α-APC-Cy7, CD8α-AlexaFluor700, CD8α-FITC, CD8α-APC-H7, CD69- ECD (Beckman Coulter), CD20-Horizon V450, CCR7-FITC (R&D Systems), CD95-APC, CCR7-PerCP-Cy5.5, CD28-PE-Cy7 (eBioscience), granzyme B-AlexaFluor700, perforin-FITC (MabTech), IFNγ-PE-Cy7, TNFα- AlexaFluor700, IL-2-APC, CD95-PE, CD95-APC, and Aqua LIVE/DEAD Fixable Dead Cell Stain (Invitrogen). All reagents are from BD Biosciences unless indicated otherwise. For construction of monomers and tetramers, the following peptides were synthesized and purified to >95% by HPLC by New England Peptide LLC: p11C (CTPYDINQM), p54AS (TVPWPNASL), p54E660 (TVPWPNETL), p68A (STPPLVRLV), and TL8 (TTPESANL). The monomers and tetramers were prepared as previously described [85] (link), [86] (link). Tetramers were prepared using either streptavidin-PE (Prozyme), -APC (Prozyme), -AlexaFluor488 (Invitrogen), or -Qdot655 (Invitrogen). Monomers used in surface plasmon resonance studies were further quantified using an RC DC protein kit (Bio-Rad).
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3

Immune Cell Profiling in Leukapheresis

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The quantity and percentage of various immune cell types in leukapheresis product and elutriation fractions were analyzed by an ABX Pentra 60 hematology analyzer (HORIBA). For other experiments, FACS analysis (Accuri C6 Plus; Beckman Coulter Life Sciences) was used. Monocytes were enumerated by CD45 + /CD14 + and propidium iodideÀnegative population (Beckman Coulter Life Sciences). Dendritic cells were gated by forward scatter and side scatter on the basis of cell size and cellular complexity, and further gated by anti-CD45 and propidium iodide. Phenotypic analyses of dendritic cells were performed using anti-CD209-APC, CD80-PE, CD83-PE, CD86-PE, CD11c-PE, HLA-DR-APC, HLA-ABC-APC and CCR7-APC (Beckman Coulter Life Sciences). To analyze cell type compositions in CUD-002 product, anti-CD45-APC, CD19-PE, CD20-PE, CD3-Percp-Cy5.5, CD56-PE, CD34-PE, lineage cocktail (CD3/CD14/CD16/CD19/CD20/CD56)-FITC, CD13-PE, CD33-PE and S100A9-PE (Beckman Coulter Life Sciences) were used.
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