EasySep™ HLA Chimerism Whole Blood CD4 Positive Selection Kit
Immunomagnetic positive selection of human CD4+ cells from fresh human whole blood, buffy coat, or an LRS cone

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In-lab demonstration
- "The Big Easy" EasySep™ Magnet
Magnet for column-free immunomagnetic separation
- EasySep™ Buffer
Cell separation buffer for use with EasySep™ cell separation kits
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Labeling Antibodies
Compatible antibodies for purity assessment of isolated cells
Overview
In this EasySep™ positive selection procedure, desired cells are labeled with antibody complexes recognizing CD4 and magnetic particles. Labeled cells are separated using an EasySep™ magnet and by simply pouring or pipetting off the unwanted cells. The cells of interest remain in the tube. Following magnetic cell isolation, the desired CD4+ cells are ready for downstream applications such as flow cytometry, culture, DNA/RNA extraction, or lineage-specific chimerism analysis. The CD4 antigen is expressed on helper T cells and weakly on monocytes and tissue macrophages.
Learn more about how immunomagnetic EasySep™ technology works or how to fully automate immunomagnetic cell isolation with RoboSep™ to save time and increase laboratory throughput. Explore additional products optimized for your workflow, including those for cell characterization, cryopreservation, and more.
Data Figures

Starting with human whole blood, the CD4+CD14- cell content of the isolated fraction is typically 97.0 ± 1.8% (gated on CD45; mean ± SD using “The Big Easy” EasySep™ Magnet). In the above example, the purities of the start and final isolated fractions are 29.8% and 99.0%, respectively. NOTE: RBCs were removed from the start sample by ammonium chloride lysis prior to flow cytometry.
Protocols and Documentation
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
Applications
This product is designed for use in the following research area(s) as part of the highlighted workflow stage(s). Explore these workflows to learn more about the other products we offer to support each research area.
Resources and Publications
Educational Materials (12)
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EasySep™ HLA Chimerism Whole Blood CD4 Positive Selection Kit
PRODUCTS ARE FOR RESEARCH USE ONLY AND NOT INTENDED FOR HUMAN OR ANIMAL DIAGNOSTIC OR THERAPEUTIC USES UNLESS OTHERWISE STATED. FOR ADDITIONAL INFORMATION ON QUALITY AT STEMCELL, REFER TO WWW.STEMCELL.COM/COMPLIANCE.