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6 protocols using ccr5 pe cy7

1

Comprehensive CD4+ T Cell Profiling

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One day post isolation FACS analysis was used to determine the percentages of various CD4+ T cell subsets, like naïve (TN), effector memory (TEM), central memory (TCM), T helper 17 cells (Th17), follicular helper T cells (Tfh) and regulatory T cells (Treg). For this the following antibodies were used: CD4-APC H7 (BD Biosciences, 560158), CD45RA-PE Cy7 (BD Biosciences, 560675), CD45RO-PerCP Cy5.5 (BD Biosciences, 560607), CCR7-APC (BioLegend, 353214), CCR6-PE (BD Biosciences, 559562), CXCR5-PerCP Cy5.5 (BioLegend, 335001), CD127-PE Cy7 (BD Biosciences, 560822), CD25-Horizon V450 (BD Biosciences, 560355). Further, the expression of different receptors on unstimulated as well as stimulated CD4+ T cells was determined using the following antibodies: CD4-APC H7, TCR-CD3-APC H7 (BD Biosciences, 560275), CD28-PerCP Cy5.5 (BD Biosciences, 560685), MHC-I-Horizon V450 (BD Biosciences, 561346), FAS-PE (BD Biosciences, 556641), FAS-L-PE (BioLegend, 306407), PD1-APC (BD Biosciences, 558694), PD1-L-PE Cy7 (BD Biosciences, 558017), TRAIL-PE (BD Biosciences, 550516), CTLA-4-PE (BD Biosciences, 555853), CD69-Horizon V450 (BD Biosciences, 560740), CD25-PE Cy7 (BD Biosciences, 557741), CXCR4-PerCP Cy5.5 (BD Biosciences, 560670) and CCR5-PE Cy7 (BD Biosciences, 557752). Cells were analyzed using the BD FACS Canto II with FACSDiva software.
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2

Immunophenotyping of Immune Cell Populations

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Isolation of peripheral blood mononuclear cells (PBMCs) and cells from the BM, lung, gut, spleen, and human thymus implant were described previously.28 (link) Peripheral blood- and tissue-derived mononuclear cells were stained with monoclonal antibodies to human CD45-eFluor 450 (HI30, eBioscience), CD3-APC H7 (SK7, Pharmingen), CD4-APC (OKT4, eBioscience), and CD8-PerCP Cy5.5 (SK1, BioLegend), CD19-Brilliant Violet 605 (HIB19, BD Horizon), and CCR5-PECy7 (2D7, Pharmingen). Red blood cells were lysed with red cell lysis buffer after cell surface marker staining. Stained cells were fixed with 1% formaldehyde in PBS and examined with Fortessa flow cytometers (BD Biosciences). The data were analyzed by FlowJo v.10 (Tree Star) software.
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3

HIV Infection Analysis by Flow Cytometry

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Mixed cell suspensions were stained for surface markers with combinations of the following antibodies: CD8-FITC, CD4-FITC, CD4-PE, CD3-APC, CD3-APC-Cy7 (eBioscience, San Diego, CA), CCR5-PE-Cy7 (BD Biosciences, San Jose, CA), CCR5-PE (R&D Systems, Minneapolis, MN), CCR6-PerCp-Cy5.5, CD90 Alexa Fluor-647 (Biolegend, San Diego, CA). For the HIV-infection experiments, following infection for 6–7 days, intracellular levels of p24 were analyzed as described previously8 (link). Briefly, after surface staining, cells were washed, fixed and permeabilized (20 min) following instructions provided in the Cytofix/Cytoperm Plus kit (BD Biosciences) and stained for intracellular p24 with KC57-FITC antibody (Beckman Coulter; Danvers, MA) for 30 min. Analysis was performed on BD FACSCalibur or BD FACSCanto flow cytometers (BD Biosciences) using FACSdiva software, and data analyzed with FlowJo software (Tree Star, Inc. Ashland, OR). Expression of surface markers was measured by the percentage of positive cells and the mean fluorescence intensity (MFI).
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4

HIV Infection Analysis by Flow Cytometry

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Mixed cell suspensions were stained for surface markers with combinations of the following antibodies: CD8-FITC, CD4-FITC, CD4-PE, CD3-APC, CD3-APC-Cy7 (eBioscience, San Diego, CA), CCR5-PE-Cy7 (BD Biosciences, San Jose, CA), CCR5-PE (R&D Systems, Minneapolis, MN), CCR6-PerCp-Cy5.5, CD90 Alexa Fluor-647 (Biolegend, San Diego, CA). For the HIV-infection experiments, following infection for 6–7 days, intracellular levels of p24 were analyzed as described previously8 (link). Briefly, after surface staining, cells were washed, fixed and permeabilized (20 min) following instructions provided in the Cytofix/Cytoperm Plus kit (BD Biosciences) and stained for intracellular p24 with KC57-FITC antibody (Beckman Coulter; Danvers, MA) for 30 min. Analysis was performed on BD FACSCalibur or BD FACSCanto flow cytometers (BD Biosciences) using FACSdiva software, and data analyzed with FlowJo software (Tree Star, Inc. Ashland, OR). Expression of surface markers was measured by the percentage of positive cells and the mean fluorescence intensity (MFI).
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5

Multicolor Flow Cytometry Analysis

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Mixed cell suspensions were stained for surface markers with combinations of the following antibodies: CD45-vioblue450, CD11b-PE (Tonbo, San Diego, CA), CD11c-APC, CCR5-PE-Cy7 (BD Biosciences, San Jose, CA), CCR7-PE-Cy7, HLA-DR-FITC, CD3-VioGreen (Miltenyi Biotec), CD3-APC, CD11c-PerCp-Cy5.5, CD1c-PE-dazzle, CD163-APC, HLA-DR-BV570, CD207-APC, CD1a AF700 (Biolegend), CD103-PE-Cy7, CD83-PE, CD14-e780, CD1a-FITC, CD86-e710 (eBiosciences, San Diego, CA), DC-SIGN-FITC, DC-SIGN-PE, DC-SIGN-APC (R&D systems, Minneapolis, MN). Dead cells were excluded with 7AAD (Southern Biotech) or zombie dye yellow staining (Biolegend). Analysis was performed on 8-color MACSQuant 10 (Miltenyi biotech) or Gallios (Beckman Coulter) flow cytometers and data analyzed with FlowJo software (Tree Star, Inc. Ashland, OR). Expression of surface markers is shown as percentage of positive cells. Fluorescence minus one (FMO) strategy was used to establish appropriate gates. The gating strategy is shown in supplementary Figure 1.
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6

Multicolor Flow Cytometry Analysis

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Mixed cell suspensions were stained for surface markers with combinations of the following antibodies: CD45-vioblue450, CD11b-PE (Tonbo, San Diego, CA), CD11c-APC, CCR5-PE-Cy7 (BD Biosciences, San Jose, CA), CCR7-PE-Cy7, HLA-DR-FITC, CD3-VioGreen (Miltenyi Biotec), CD3-APC, CD11c-PerCp-Cy5.5, CD1c-PE-dazzle, CD163-APC, HLA-DR-BV570, CD207-APC, CD1a AF700 (Biolegend), CD103-PE-Cy7, CD83-PE, CD14-e780, CD1a-FITC, CD86-e710 (eBiosciences, San Diego, CA), DC-SIGN-FITC, DC-SIGN-PE, DC-SIGN-APC (R&D systems, Minneapolis, MN). Dead cells were excluded with 7AAD (Southern Biotech) or zombie dye yellow staining (Biolegend). Analysis was performed on 8-color MACSQuant 10 (Miltenyi biotech) or Gallios (Beckman Coulter) flow cytometers and data analyzed with FlowJo software (Tree Star, Inc. Ashland, OR). Expression of surface markers is shown as percentage of positive cells. Fluorescence minus one (FMO) strategy was used to establish appropriate gates. The gating strategy is shown in supplementary Figure 1.
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