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4 protocols using anti human cd34 apc 8g12

1

Flow Cytometric Immunophenotyping of Hematopoietic Progenitor Cells

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Cells were thawed at 37 °C, washed with sterile PBS and incubated with biotinylated anti-human lineage antibodies directed against CD2 (clone RPA-2.10, BioLegend), CD3 (HIT3a, 300304, BioLegend), CD4 (RPA-T4, BioLegend), CD7 (124-1D1, eBioscience), CD8a (RPA-T8, BioLegend), CD10 (SN5c, eBioscience), CD11b (ICRF44, BioLegend), CD14 (HCD14, BioLegend), CD19 (HIB19, BioLegend), CD20 (2H7, eBioscience), CD56 (HCD56, BioLegend) and GPA (HIR2, BioLegend) and LIVE/DEAD Fixable Aqua Dead Cell Stain (L-34957, Life Technologies). For gating on hematopoietic progenitor cells, this was followed by secondary staining with anti-human CD34–APC (8G12, BD Biosciences), anti-CD38–PE/Cy7 (HIT2, BioLegend), anti-CD90–FITC (5E10, BD Biosciences), anti-CD45RA-PB (MEM-56, Thermo Fisher Scientific), anti-CD123–PE (7G3, BD Biosciences) and streptavidin-APC/Cy7 (BioLegend). Intracellular staining with anti-human Ki-67–BV605 antibody (BioLegend) was performed using the BD Cytofix/Cytoperm Fixation/Permeabilization kit. Samples were run on an LSR II flow cytometer (BD Biosciences), and recorded events were analyzed with FlowJo 10 software (BD). Individual fluorescence-minus-one controls were used to determine gating. HSCs were identified as lineageCD34+CD38CD45RAloCD90+ cells, CMPs as lineageCD34+CD38intCD45 RACD123int cells and GMPs as lineageCD34+CD38intCD45RA+CD123int cells.
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2

Flow Cytometric Immunophenotyping of Hematopoietic Progenitor Cells

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Cells were thawed at 37 °C, washed with sterile PBS and incubated with biotinylated anti-human lineage antibodies directed against CD2 (clone RPA-2.10, BioLegend), CD3 (HIT3a, 300304, BioLegend), CD4 (RPA-T4, BioLegend), CD7 (124-1D1, eBioscience), CD8a (RPA-T8, BioLegend), CD10 (SN5c, eBioscience), CD11b (ICRF44, BioLegend), CD14 (HCD14, BioLegend), CD19 (HIB19, BioLegend), CD20 (2H7, eBioscience), CD56 (HCD56, BioLegend) and GPA (HIR2, BioLegend) and LIVE/DEAD Fixable Aqua Dead Cell Stain (L-34957, Life Technologies). For gating on hematopoietic progenitor cells, this was followed by secondary staining with anti-human CD34–APC (8G12, BD Biosciences), anti-CD38–PE/Cy7 (HIT2, BioLegend), anti-CD90–FITC (5E10, BD Biosciences), anti-CD45RA-PB (MEM-56, Thermo Fisher Scientific), anti-CD123–PE (7G3, BD Biosciences) and streptavidin-APC/Cy7 (BioLegend). Intracellular staining with anti-human Ki-67–BV605 antibody (BioLegend) was performed using the BD Cytofix/Cytoperm Fixation/Permeabilization kit. Samples were run on an LSR II flow cytometer (BD Biosciences), and recorded events were analyzed with FlowJo 10 software (BD). Individual fluorescence-minus-one controls were used to determine gating. HSCs were identified as lineageCD34+CD38CD45RAloCD90+ cells, CMPs as lineageCD34+CD38intCD45 RACD123int cells and GMPs as lineageCD34+CD38intCD45RA+CD123int cells.
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3

Immunophenotypic Characterization of AML Cells

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Cryopreserved primary AML cells and engrafted PDX BM cells were thawed and their phenotypes were analyzed using FACSAria2 (BD Biosciences, San Jose, CA, USA) with anti-mouse CD45-APC/Cy7 (30-F11, dilution 1:100), anti-human CD45-PerCP/Cy5.5 (HI30, dilution 1:100) (BioLegend, San Diego, CA, USA), anti-human CD45-PE (HI30, dilution 1:100), anti-human CD34-APC (8G12, dilution 1:100), anti-human CD38-PE/Cy7 (HB7, dilution 1:100), and anti-human CD3-APC (UCHT1, dilution 1:100) antibodies (BD Biosciences, San Jose, CA, USA). Flow cytometry data were collected using FACSAria2 and FACSDiva software v8.0.1 (BD Biosciences, San Jose, CA, USA) and analyzed using FlowJo software v8.8.7 (BD Biosciences, San Jose, CA, USA). The gating strategy is detailed in Supplementary Fig. 6.
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4

Lentiviral Transduction of CD34+ Cord Blood Cells

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Primary human CD34-enriched cord blood was transduced with lentivirus (pLVX EF1α-IRES-zsGreen; Clontech) overnight, and sorted for GFP expression using a FACSAria II (Becton-Dickinson). For progenitor media assay, cells were, washed and incubated in HPGM medium (Lonza) supplemented with FLT3L, thrombopoietin and stem cell factor (SCF). The cytokines were all purchased from Peprotech and used at 20 ng/ml. 6 days post-culture, differentiation of GFP-positive cells was assessed by flow cytometry using anti-human CD34-APC (8G12) and CD38-PE-Cy7 (HB7) (BD Biosciences). For myeloid differentiation assay, cells were cultured in Myelocult H5100 (Stem Cell Technologies) with 20-µg/mL each of IL-3, SCF, FLT3L, and GM-CSF (Peprotech) for 6 days. Myeloid differentiation was assessed by flow cytometry using anti-human CD33-PE (WM53) and CD14-APC-Cy7 (MφP9) (BD Biosciences). For erythroid differentiation assay, cells were cultured in Stemspan II with erythroid expansion kit (Stemcell Technologies) for 6 days. Erythroid differentiation was assessed by flow cytometry using anti-human GPA-PE (CD235a) (HIR2) and CD71-PE-Cy7 (OKT9) (BD Biosciences).
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