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10 protocols using cd34 pe cy7

1

Assessing Apoptosis in CML Stem Cells

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Bone marrow samples were obtained with written informed consent from three patients with CML. This study was approved by the Ethical Review Committee for Biomedical Research of Fujian Medical University. Mononuclear cells from CML bone marrow were treated with or without XN4 for 48 h. The cells were labeled with CD34-PE-Cy7 and CD38-PE (eBioscience Inc, CA, USA) and then analyzed by flow cytometry for apoptosis via Annexin V-APC staining.
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2

Phenotypic Characterization of MSCs

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MSCs were also characterized by flow cytometry after three cell culture passages. MSCs were stained with the following commercially available antibodies: CD105-PE (PE mouse anti-human CD105, Cat. 323205, BioLegends); CD34-PE-Cy7 (mouse PE-Cyanine7 anti-human CD34, Cat. 25-0349-42, eBioscience); CD45-APC (mouse APC anti-human CD45, Cat. 555485, BD Pharmingen); CD19-PE-Cy  7 (mouse PE-Cy7 anti-human CD19, Cat. 557835, BD Pharmingen); CD73-APC (mouse APC anti-human CD73, Cat. 560847, BD Pharmingen); CD146-PE (mouse PE anti-human CD146, Cat. 550315, BD Pharmingen); CD14-PE (mouse PE anti-human C14 antibody, Cat. 301805, BioLegend); CD90-APC (mouse APC anti-human CD90, Clone 5E10 (RUO), Cat. 559869, BD Biosciences). Antibody staining was performed at 4°C in PBS containing 5% (v/v) fetal calf serum (FCS). Approximately 50,000–100,000 cells were stained per well. Cells were acquired using a LSR II flow cytometer (Becton Dickinson). Analysis was performed using FlowJo (Tree Star).
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3

Flow Cytometric Immunophenotyping Assay

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The following antibodies were used for these studies: KDR (clone 89106), CD235a-APC (clone HIR2), CD4-PE-Cy7 (clone RPA-T4), CD5-PE-Cy7 (clone L17F12), CD7-FITC (clone M-T701), CD8-PE (clone RPA-T8), CD34-APC (clone 8G12), CD34-PE-CY7 (clone 4H11), CD43-PE or FITC (clone 1G10), CD45-APC-eFluor750 (clone 2D1), CD56-PE or APC (clone B159), CD117-APC (clone 104D2), CD144-PE (clone 123413). All antibodies were purchased from BD Biosciences (San Diego, CA) except CD34-PE-CY7 which was purchased from eBioscience (San Diego, CA), and KDR was purchased from R&D systems. Cells were sorted with FACSAria™II (BD) cell sorter at the Sick Kids/UHN Flow Cytometry Facility.
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4

Quantifying SIRT1 Expression in CD34+ Cells

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CD34+ cells were labeled with CD34-PeCy7, Lin-APC-Cy7 (including CD2, CD3, CD7, CD10, CD19, and CD235a), and CD38-APC or CD38-PE, CD90-PercpCy5.5, CD123-APC, or CD47-APC (eBioscience) antibodies; fixed and permeabilized (Cytofix/Cytoperm Kit, Beckman Coulter); labeled with rabbit anti-human SIRT1 (E1104-1, Millipore) and Alexa Fluor 488-conjugated goat anti-rabbit antibodies (Invitrogen); and analyzed by flow cytometry. Data were analyzed using FlowJo software (version 8.5.2; TreeStar).
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5

Enumeration of Hematopoietic Stem Cells

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At day 10, we harvested the nonadherent and adherent cells from five different culture conditions, and the total nucleated cells (TNCs) counted via trypan blue staining method. Flow cytometry staining was performed with CD34-PECY7, CD45-FITC, and CD38-APC (eBioscience, San Diego, USA) antibodies, then samples were analyzed using a FACScan flow cytometer (Beckman Coulter, USA). For each sample, at least 10,000 events were recorded. The isotype antibodies were used to determine the level of nonspecific binding.
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6

Flow Cytometric Analysis of Gene-Targeted Cells

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Gene‐targeted cells were analyzed by flow cytometry (LSR Fortessa; Becton Dickinson Pharmingen). Immunophenotypic analysis of the hematopoietic differentiated cells was performed using CD34 PE‐Cy7 (eBioscience), CD133 PE (Miltenyi Biotech) and CD90 APC (Becton Dickinson Pharmingen) antibodies according to the manufacturer's instructions:
Fluorochrome‐matched isotypes were used as controls. 4′,6‐diamidino‐2‐phenylindole (DAPI; Roche)‐positive cells were excluded from the analysis. Analysis was performed using FlowJo software v7.6.5.
Cell sorting was also used to select gene‐edited LCLs by the selection of EGFP+ cells in a BD Influx cell sorter (BD Biosciences).
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7

Flow Cytometric Immunophenotyping Assay

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The following antibodies were used for these studies: KDR (clone 89106), CD235a-APC (clone HIR2), CD4-PE-Cy7 (clone RPA-T4), CD5-PE-Cy7 (clone L17F12), CD7-FITC (clone M-T701), CD8-PE (clone RPA-T8), CD34-APC (clone 8G12), CD34-PE-CY7 (clone 4H11), CD43-PE or FITC (clone 1G10), CD45-APC-eFluor750 (clone 2D1), CD56-PE or APC (clone B159), CD117-APC (clone 104D2), CD144-PE (clone 123413). All antibodies were purchased from BD Biosciences (San Diego, CA) except CD34-PE-CY7 which was purchased from eBioscience (San Diego, CA), and KDR was purchased from R&D systems. Cells were sorted with FACSAria™II (BD) cell sorter at the Sick Kids/UHN Flow Cytometry Facility.
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8

Multicolor Flow Cytometry Immunophenotyping

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The following antibodies were used for these studies: CD34-APC (clone 8G12, 1:100), CD34-PE-CY7 (clone 4H11, 1:100), CD43-PE or FITC (clone 1G10, 1:30 and 1:10 respectively), CD4-PE-Cy7 (clone RPA-T4, 1:100), CD8-PE (clone RPA-T8, 1:30), CD45-APC-Cy7 or eFluor450 (clone 2D1, 1:50), CD56-APC (clone B159, 1:30), CD144-PE (clone 123413, 1:50), CD184-Brilliant Violet 421 (clone 12G5, 2:100), CD73-APC (clone AD2, 1:400), KDR (clone 89106, 1:7) and CD235a-APC (clone HIR2, 1:50). Most antibodies were purchased from BD Biosciences (San Diego, CA). The exceptions are CD34-PE-CY7 and CD144-PE that were purchased from eBioscience, CD184-Brilliant Violet 421 purchased from Biolegend and KDR purchased from R&D systems. Cells were sorted with FACSAria™II (BD) cell sorter at the Sick Kids/UHN Flow Cytometry Facility.
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9

Multicolor Flow Cytometry Immunophenotyping

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The following antibodies were used for these studies: CD34-APC (clone 8G12, 1:100), CD34-PE-CY7 (clone 4H11, 1:100), CD43-PE or FITC (clone 1G10, 1:30 and 1:10 respectively), CD4-PE-Cy7 (clone RPA-T4, 1:100), CD8-PE (clone RPA-T8, 1:30), CD45-APC-Cy7 or eFluor450 (clone 2D1, 1:50), CD56-APC (clone B159, 1:30), CD144-PE (clone 123413, 1:50), CD184-Brilliant Violet 421 (clone 12G5, 2:100), CD73-APC (clone AD2, 1:400), KDR (clone 89106, 1:7) and CD235a-APC (clone HIR2, 1:50). Most antibodies were purchased from BD Biosciences (San Diego, CA). The exceptions are CD34-PE-CY7 and CD144-PE that were purchased from eBioscience, CD184-Brilliant Violet 421 purchased from Biolegend and KDR purchased from R&D systems. Cells were sorted with FACSAria™II (BD) cell sorter at the Sick Kids/UHN Flow Cytometry Facility.
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10

Isolation and Characterization of Cord Blood Hematopoietic Stem and Progenitor Cells

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We defined the CD34+, CD10, CD14, and CD19 cells as CD34+Linage (CD34+Lin) cells, which represent cord blood HSPCs. At day 7, we collected the supernatant and detached the adherent cells containing WJ-MSCs and HSPCs (attached to the WJ-MSCs). Viable total nucleated cells (TNC) were counted via the Trypan Blue staining method. Flow cytometry staining was performed with CD34-PECY7, CD45-FITC (eBioscience, San Diego, CA, USA), CD10-APC, CD14-APC/Cy7, and CD19-PE (Biolegend, San Diego, CA, USA) antibodies, and then samples were analyzed using a FACScan flow cytometer (Beckman Coulter, USA). For each sample, at least 30,000 events were recorded. The isotype antibodies were used to determine the level of nonspecific binding.
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