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Apc conjugated anti cd133 antibody

Manufactured by Miltenyi Biotec
Sourced in Germany

The APC-conjugated anti-CD133 antibody is a flow cytometry reagent used for the identification and isolation of CD133-positive cells. CD133 is a cell surface antigen commonly used as a marker for stem and progenitor cells. The antibody is conjugated with Allophycocyanin (APC), a fluorescent dye, enabling the detection and quantification of CD133-expressing cells by flow cytometry.

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4 protocols using apc conjugated anti cd133 antibody

1

Stem Cell Marker Analysis in GBM Cells

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GBM cells were analyzed for common stem cell markers by flow cytometry. Briefly, cells were collected, washed twice with PBS 1x, and stained with APC-conjugated anti-CD44 antibody (dilution 1:10) (Becton Dickinson, BD Pharmigen, cat n. 559942 RRID: AB_398683) and PE-conjugated anti- CD24 antibody (dilution 1:20) (Becton Dickinson, BD Pharmigen, cat n. 555428, RRID: AB_395822) for 30 min at 4 °C. APC-conjugated anti- CD133 antibody (dilution 1:10) (Miltenyi Biotec, cat n. 130-090-826) was used for single staining. After three washes, fluorescence was acquired using a FACS Canto flow cytometer (Becton Dickinson, San Diego, CA, USA) equipped with 488 and 633 laser lines. Appropriate isotype control was included for each sample.
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2

Characterization of Platelet-Derived Extracellular Vesicles

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All chemicals and protein reagents were obtained from Sigma-Aldrich or otherwise indicated. Recombinant human interleukin 3 (rhIL-3), rhIL-6, rhIL-9, rhIL-11, stem cell factor (rhSCF), thrombopoietin (rhTPO), Granulocyte colony-stimulating factor (rhG-CSF) were purchased from PeproTech Inc. Size standard fluorescent beads (0.22, 0.45, 0.88 and 1.34 µm) and AccuCount fluorescent particles (~5.0 µm) were from SpheroTech. Fluorescein isothiocyanate (FITC) - or phycoerythrin (PE)-conjugated anti-CD41 (GPαIIb), PE-conjugated anti-CD62P (P-selectin), allophycocyanin (APC)-conjugated anti-CD34, PE-conjugated anti-CD11b, APC-conjugated anti-CD235a, FITC-conjugated CD63, APC-conjugated CD81 and purified anti-CD41, anti-CD42b, anti-CD43, anti-CD50 antibodies as well as corresponding IgG isotype were all from BD Bioscience. APC-conjugated anti-CD133 antibody was obtained from Miltenyi Biotec. Purified anti-CD54 (ICAM-1) antibody was from Abcam. Anti-filamin A was from Santa Cruz Biotechnology.
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3

Phenotypic and Transduction Efficiency of Stem Cells and T Cells

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The phenotype and efficiency of transduction of hCD34+ HSPCs and T lymphocytes were analyzed by Flow Cytometry (FACS Canto II Instrument and DIVA software). hCD34+ HSPCs were stained with PE-conjugated anti-CD90 antibody (BD PharMingen), VioBlue-conjugated anti-CD34 antibody (Miltenyi Biotec), and antigen-presenting cell (APC)-conjugated anti-CD133 antibody (Miltenyi Biotec).
PBMCs were stained with anti-CD3 monoclonal antibody before and after activation (Miltenyi Biotec). In selected experiments, T cell memory phenotype was detected by staining with monoclonal antibodies specific for CD3 (VioGreen-conjugated), CD8 (APC-Vio770-conjugated), CD45RA (PE-Vio770-conjugated), CD62L (VioBlue-conjugated), and CD95 (APC-conjugated) (Miltenyi Biotec). For both cell types, cell mortality and transduction efficiency were evaluated by 7-AAD labeling (BD PharMingen) and by the level of GFP expression, respectively.
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4

Quantifying GBM Cancer Stem Cells

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The subpopulation of cancer stem cells in GBM tumor spheroids or cultured adherently were sorted and evaluated with and without enzalutamide treatment, respectively, with an anti-CD133 CSC surface antibody (Miltenyi Biotec, Germany). After treating the tumor spheroids for 4 days with 120 µM enzalutamide or 180 µM bicalutamide, the tumor spheroids were harvested, gently dissociated to single cell suspensions using ACCUTASE™ (STEMCELL Technologies Inc., Canada). First a total of 106 cells were stained with Live/Dead fixable dead cell staining dyes and then incubated with APC-conjugated anti-CD133 antibody (Miltenyi Biotec, Germany). After 30 min of incubation with CD133 antibody at 4°C, cells were washed with phosphate-buffered saline (PBS) at 300×g for 10 min. Samples were sorted using a FACS LSRII G Flow Cytometer and percentages of CSC subpopulation were analyzed by FACSDiva software (Beckon-Dickinson, Franklin Lakes, NJ, USA).
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