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Pe anti human cd33 antibody

Manufactured by BioLegend

The PE anti-human CD33 antibody is a fluorescently labeled monoclonal antibody that specifically binds to the CD33 antigen expressed on the surface of human cells. This reagent can be used for the identification and enumeration of CD33-positive cells in flow cytometry applications.

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4 protocols using pe anti human cd33 antibody

1

Multiparameter Flow Cytometry Analysis of Bone Marrow

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For analysis of cells harvested from bone marrow, cells were first
incubated with blocking antibodies (Human TruStain FcX, BioLegend; 422302
and Mouse TruStain fcX anti-mouse CD16/32, BioLegend; 101320) for 15 min,
followed by incubation with V450 Mouse Anti-Human CD45 Clone HI30 (BD
Biosciences, 560367), PE-eFluor 610 mCD45 Monoclonal Antibody (30-F11)
(Thermo Fisher, 61-0451-82), FITC anti-human CD235a Antibody (BioLegend,
349104), PE anti-human CD33 Antibody (366608, BioLegend), APC anti-human
CD19 Antibody (BioLegend, 302212), PE/Cy7 anti-human CD3 antibody
(BioLegend, 300420), FITC anti-human CD34 antibody (BioLegend, 343504) and
Fixable Viability Dye eFluor 780 for live/dead staining (Thermo Fisher,
65-0865-14). Percentage human engraftment was calculated as hCD45+
cells/(hCD45+ cells + mCD45+ cells). B cells (CD19+) and myeloid (CD33+)
lineages were gated on the hCD45+ population. HSPCs (CD34+) and T cells
(CD3+) were gated on the hCD45+CD19-CD33-population.
hCD45+CD19-CD33-CD34-CD3-population was referred as lineage-. FACS analysis
and sorting of CD34+ / CD19+ cells were done using the FACSAria II machine
(BD Biosciences).
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2

Peptide E5 Identification and Characterization

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The peptide E5 (GGRSFFLLRRIQGCRFRNTVDD) used in this study was identified by the cell-based selection24 (link) and purchased from GL Biochem (Shanghai) Ltd. The stock solution of E5 was dissolved in the sterile water. PE anti-human CD33 antibody was purchased from BioLegend (San Diego, CA).
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3

Engrafting Human Hematopoietic Cells in NSG Mice

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Male and female 8- to 12-week-old NOD-SCID Il2rg-/- (NSG) mice were used as recipient mice. Immediately prior to transplantation, NSG mice received a single dose of 2Gy irradiation. 1-3 million hPSC-derived hematopoietic progenitors, or alternatively, 80,000-100,000 human CD34+ cord blood hematopoietic stem and progenitor cells were transplanted intrafemorally in 20-30 μL IMDM + 20% FBS into irradiated NSG mice. 3-6 months post-transplantation, mice were sacrificed, and bone marrow was analyzed by flow cytometry to detect the presence of human cells. The following antibodies were used to detect human hematopoietic cells in transplanted mice via flow cytometry: BD Horizon V450 anti-human CD45 antibody (BD Biosciences, 560367), APC-Cy7 anti-Human HLA-A/B/C antibody (Biolegend, 311425), PE anti-Human CD33 antibody (Biolegend, 303404), and APC anti-Human CD19 antibody (Biolegend, 302212).
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4

Identification of HL-60 Cells by CD33

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The peripheral blood and bone marrow from femur flushing were collected and erythrocytes were excluded using blood cell lysis buffer (Beckman Coulter, Krefeld, Germany). PE anti-human CD33 antibody (BioLegend, San Diego, CA) was used to identify HL-60 cells via flow cytometry (C6 Accuri flow cytometer, BD Company, Franklin Lakes, NJ) according to the manufacturer’s protocol.
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