Quality Antibody for Assessing CD19 Expression on Peripheral B Cells by Flow Cytometry

Division of BioMedical Sciences, Faculty of Medicine
Memorial University of Newfoundland
Research Assistant

Overall

Quality of Results

Ease-of-Optimization

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Company:

eBioscience (Thermo Fisher Scientific - Invitrogen)

Product Name:

CD19 Monoclonal Antibody (HIB19), APC, eBioscience™

Catalog Number:

17-0199-42

Clone Number:

HIB19

Our research involves the study of immune cell phenotypes in different disease states with a focus on viral infection. This antibody was used to assess the purity of CD19+ B cells that were positively selected from total peripheral blood mononuclear cells.

Experimental Design and Results Summary

Applications

Flow Cytometry

Sample

Purified CD19+ B cells from human PBMC by magnetic bead-based positive selection

Primary Incubation

2.0x10^5 cells were stained with the manufacturer's recommended volume of antibody in a total staining volume of 100ul autoMACS running buffer (Miltenyi Biotec) for 30 minutes on ice in the dark.

Blocking Agent

10 min on ice with human Fc receptor blocking reagent (Miltenyi Biotec) prior to primary incubation with fluorochrome-labelled antibody

Secondary Incubation

N/A

Tertiary Incubation

N/A

Detection

Becton Dickinson FACSCalibur flow cytometer

Results Summary

This antibody gives a distinct peak of CD19+ cells (unfilled histogram) that are easily distinguished from CD19+ cells stained with a matched isotype control antibody (filled histogram).

DOI or PMID #

10.1186/s12865-015-0113-0

Additional Notes

N/A

Related Categories

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Summary

The Good

Bright staining and specific. Little optimization required other than titration.

The Bad

None

The Bottom Line

Recommended for identifying CD19+ cells in peripheral blood mononuclear cells using flow cytometry.

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