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4 protocols using anti cd45ra bv605

1

Assessing CD8+ T Cell Cytolytic Potential

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Rested ex vivo CD8+ T cells were assessed for CMV and
HIV specificity using HLA-matched tetramers. Tetramers were made via
biotinylated monomer conjugation to BV510 streptavidin (BioLegend). Monomers
were obtained from Dr. Soren Buus (University of Copenhagen). The A02-NV9
tetramer was used to stain for CMV-specificity while pools of A02-SL9, B27-KK10,
B53-QW9, B53-YY9, B57-IW9(p24), B57-IW9(RT), B57-KF11, B57-QW9, and B57-TW10
tetramers were used to stain for HIV-specificity. Subsequent surface stains
included anti-CD62L-PE-Cy5 (clone DREG-56; BioLegend), anti-CD3-AF700 (clone
HIT3a; BioLegend), anti-CD8-FITC (clone SK1; BioLegend), anti-CD45RA-BV605
(clone HI100; BioLegend), and LIVE/DEAD Blue. Following permeabilization, the
cells were intracellular stained using anti-perforin PE/Cy7 (clone B-D48;
BioLegend), anti-granzyme A-PerCp/Cy5.5 (clone CB9; BioLegend), anti-granzyme
B-Pacific Blue (clone GB11; BioLegend), anti-granzyme H (biotinylated and
secondary stained with BV650 streptavidin) (polyclonal antibody, R&D),
anti-granzyme K-PE (clone GM26E7; BioLegend), and anti-granzyme M-eFluor660
(clone 4B2G4; eBioscience). The cells were analyzed by flow cytometry.
Naïve CD8+ T cells within the mixed population of
CD8+ T cells were used as internal gating controls for
perforin and each granzyme as these cells do not express these effector
molecules.
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2

T Cell Phenotyping by Flow Cytometry

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T cells were phenotyped by flow cytometry staining before (Day 0 – naïve and Day 10–10 days after 1st round of stimulation) and after restimulation (Day 15), as well as in co-cultures with tumor cells. Briefly, CD8+ T cells were stained with LIVE/DEAD™ Fixable Blue Dead Cell Stain Kit (Thermo Scientific), followed by surface staining at 4 ⁰C with: – anti-CD8 AF647, anti-CD8 PerCPCy5.5, anti-CD45RO Alexa Fluor 488, anti-CD45RA BV605, anti-CCR7-PE, anti-PD-1 PerCpCy5.5 (all from Biolegend) antibodies. Staining of CCR7 was performed at 37 ⁰C for 30 min. Intracellular granzyme B staining was performed with anti-Granzyme B-AF647 antibody (Biolegend), after permeabilization with Fixation/Permeabilization Solution Kit (BD Biosciences). Flow cytometric analysis was performed using a BD Fortessa. Data were analyzed using FlowJo (Tree Star).
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3

Comprehensive Immunophenotyping of Immune Cells

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Anti-CD19 APC-Cy7, anti-CD38 PerCp-Cy5.5, anti-CD4 PE-Cy7, anti-CD25 PerCP-Cy5.5, anti-CD86 APC, anti-CD80 BV421, anti-CD45RA BV605, anti-ICOS PE, anti-CD21 PE-Cy7, anti-CD80 BV421, anti-CD27 PerCp-Cy5.5, anti-PD-1 APC, anti-CD45RA APC-Cy7, anti-HLA-DR BV605, anti-CD11c AF700, anti-CD86 BV711, anti-CD95 BV650, anti-IgD BV786, anti-FCRL5 APC, anti-CXCR3 BV421, anti-CCR6 BV605, anti-CD19 BV650, anti-CD19 BV605, anti-PD-L1 BV421, anti-PD-L2 PE, anti-ICOS-L PE, anti-OX40L PE, anti-IL-10 PE, anti-IL-10 APC, anti-TNF-α APC-Cy7 (all obtained from BioLegend); anti-IgD FITC and anti-IgD PE (both from Southern Biotech); anti-CD27 PE (Dako); and anti-CD21 PE-Cy7, anti-CD69 FITC, anti-HLA-DR FITC, anti-CD27 BV605, anti-CD40 FITC, anti-CD40L PE, anti-ICAM-1 PE, anti-CXCR5 BUV395 and anti-CD27 BUV395 (all from BD Biosciences).
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4

Assessing CD8+ T Cell Cytolytic Potential

Check if the same lab product or an alternative is used in the 5 most similar protocols
Rested ex vivo CD8+ T cells were assessed for CMV and
HIV specificity using HLA-matched tetramers. Tetramers were made via
biotinylated monomer conjugation to BV510 streptavidin (BioLegend). Monomers
were obtained from Dr. Soren Buus (University of Copenhagen). The A02-NV9
tetramer was used to stain for CMV-specificity while pools of A02-SL9, B27-KK10,
B53-QW9, B53-YY9, B57-IW9(p24), B57-IW9(RT), B57-KF11, B57-QW9, and B57-TW10
tetramers were used to stain for HIV-specificity. Subsequent surface stains
included anti-CD62L-PE-Cy5 (clone DREG-56; BioLegend), anti-CD3-AF700 (clone
HIT3a; BioLegend), anti-CD8-FITC (clone SK1; BioLegend), anti-CD45RA-BV605
(clone HI100; BioLegend), and LIVE/DEAD Blue. Following permeabilization, the
cells were intracellular stained using anti-perforin PE/Cy7 (clone B-D48;
BioLegend), anti-granzyme A-PerCp/Cy5.5 (clone CB9; BioLegend), anti-granzyme
B-Pacific Blue (clone GB11; BioLegend), anti-granzyme H (biotinylated and
secondary stained with BV650 streptavidin) (polyclonal antibody, R&D),
anti-granzyme K-PE (clone GM26E7; BioLegend), and anti-granzyme M-eFluor660
(clone 4B2G4; eBioscience). The cells were analyzed by flow cytometry.
Naïve CD8+ T cells within the mixed population of
CD8+ T cells were used as internal gating controls for
perforin and each granzyme as these cells do not express these effector
molecules.
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