EasySep™ Mouse Naïve CD8+ T Cell Isolation Kit

17.5-Minute cell isolation kit using immunomagnetic negative selection

New format, same high quality! You may notice that your kit contents and packaging look slightly different from previous orders. We are currently updating the format of select EasySep™ Mouse kits to include a Mouse FcR blocker instead of Normal Rat Serum. With this change, all components will now be shipped in a single package, while providing the same cell isolation performance as before.

EasySep™ Mouse Naïve CD8+ T Cell Isolation Kit

17.5-Minute cell isolation kit using immunomagnetic negative selection

From: 877 USD
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17.5-Minute cell isolation kit using immunomagnetic negative selection
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Product Advantages


  • Fast and easy-to-use

  • Up to 98% purity

  • No columns required

  • Untouched, viable cells

What's Included

  • EasySep™ Mouse Naïve CD8+ T Cell Isolation Kit (Catalog #19858)
    • EasySep™ Mouse Naïve CD8+ T Cell Isolation Cocktail, 0.5 mL
    • EasySep™ Streptavidin RapidSpheres™ 50001, 1 mL
    • EasySep™ Mouse FcR Blocker (Catalog #18720), 0.1 mL
  • RoboSep™ Mouse Naïve CD8+T Cell Isolation Kit (Catalog #19858RF)
    • EasySep™ Mouse Naïve CD8+ T Cell Isolation Cocktail, 0.5 mL
    • EasySep™ Streptavidin RapidSpheres™ 50001, 1 mL
    • EasySep™ Mouse FcR Blocker (Catalog #18720), 0.1 mL
    • RoboSep™ Buffer (Catalog #20104)
    • RoboSep™ Filter Tips (Catalog #20125)

Overview

The EasySep™ Mouse Naïve CD8+ T Cell Isolation Kit is designed to isolate naïve CD62L+CD44-CD8+ T cells from single-cell suspensions of splenocytes or lymph nodes by negative selection. Unwanted cells are targeted for removal with biotinylated antibodies that are directed against non-naïve CD8+ T cells (CD4, CD11b, CD11c, CD19, CD44, CD45R/B220, CD49b, TCRγ/δ, TER119) and streptavidin-coated magnetic particles. Labeled cells are separated using an EasySep™ magnet without the use of columns. Desired cells are poured off into a new tube.
Magnet Compatibility
• EasySep™ Magnet (Catalog #18000)
• “The Big Easy” EasySep™ Magnet (Catalog #18001)
• EasyPlate™ EasySep™ Magnet (Catalog 18102)
• RoboSep™-S (Catalog #21000)
Subtype
Cell Isolation Kits
Cell Type
T Cells, T Cells, CD8+
Species
Mouse
Sample Source
Other, Spleen
Selection Method
Negative
Application
Cell Isolation
Brand
EasySep, RoboSep
Area of Interest
Immunology

Data Figures

Typical EasySep™ Mouse Naïve CD8+ T Cell Isolation Profile

Figure 1. Typical EasySep™ Mouse Naïve CD8+ T Cell Isolation Profile

Starting with splenocytes from an uninfected mouse, the naïve CD8+ T cell (CD3+CD8+CD44-CD62L+) content of the isolated fraction typically ranges from 92 - 98%. In the example above, the final purities of the start and isolated fractions are 11.5% and 96.4%, respectively.

Protocols and Documentation

Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.

Document Type
Product Name
Catalog #
Lot #
Language
Catalog #
19858RF
Lot #
1000147184 or lower
Language
English
Catalog #
19858RF
Lot #
1000147185 or higher
Language
English
Catalog #
19858
Lot #
1000147184 or lower
Language
English
Catalog #
19858
Lot #
1000147185 or higher
Language
English
Document Type
Safety Data Sheet 1
Catalog #
19858RF
Lot #
All
Language
English
Document Type
Safety Data Sheet 2
Catalog #
19858RF
Lot #
All
Language
English
Document Type
Safety Data Sheet 3
Catalog #
19858RF
Lot #
All
Language
English
Document Type
Safety Data Sheet 4
Catalog #
19858RF
Lot #
All
Language
English
Document Type
Safety Data Sheet 5
Catalog #
19858RF
Lot #
All
Language
English
Document Type
Safety Data Sheet 1
Catalog #
19858
Lot #
All
Language
English
Document Type
Safety Data Sheet 2
Catalog #
19858
Lot #
All
Language
English
Document Type
Safety Data Sheet 3
Catalog #
19858
Lot #
All
Language
English
Document Type
Safety Data Sheet 4
Catalog #
19858
Lot #
All
Language
English

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

Frequently Asked Questions

Can EasySep™ Streptavidin RapidSpheres™ be used for either positive or negative selection?

Currently, EasySep™ Streptavidin RapidSphere™ kits are only available for negative selection and work by targeting and removing unwanted cells.

How does the separation work?

Streptavidin RapidSphere™ magnetic particles are crosslinked to unwanted cells using biotinylated antibodies. When placed in the EasySep™ Magnet, labeled cells migrate to the wall of the tube. The unlabeled cells are then poured off into a new tube.

Which columns do I use?

The EasySep™ procedure is column-free. That's right - no columns!

How can I analyze the purity of my enriched sample?

The Product Information Sheet provided with each EasySep™ kit contains detailed staining information.

Can EasySep™ Streptavidin RapidSphere™ separations be automated?

Yes. RoboSep™, the fully automated cell separator, automates all EasySep™ labeling and cell separation steps.

Are cells isolated using EasySep™ RapidSphere™ products FACS-compatible?

Yes. Desired cells are unlabeled and ready to use in downstream applications, such as FACS analysis.

Can I alter the separation time in the magnet?

Yes; however, this may impact the kit's performance. The provided EasySep™ protocols have already been optimized to balance purity, recovery and time spent on the isolation.

Can EasySep™ be used for either positive or negative selection?

Yes. The EasySep™ kits use either a negative selection approach by targeting and removing unwanted cells or a positive selection approach targeting desired cells. Depletion kits are also available for the removal of cells with a specific undesired marker (e.g. GlyA).

How does the separation work?

Magnetic particles are crosslinked to cells using Tetrameric Antibody Complexes (TAC). When placed in the EasySep™ Magnet, labeled cells migrate to the wall of the tube. The unlabeled cells are then poured off into a separate fraction.

Which columns do I use?

The EasySep™ procedure is column-free. That's right - no columns!

How can I analyze the purity of my enriched sample?

The Product Information Sheet provided with each EasySep™ kit contains detailed staining information.

Can EasySep™ separations be automated?

Yes. RoboSep™, the fully automated cell separator, automates all EasySep™ labeling and cell separation steps.

Can EasySep™ be used to isolate rare cells?

Yes. We recommend a cell concentration of 2x108 cells/mL and a minimum working volume of 100 µL. Samples containing 2x107 cells or fewer should be suspended in 100 µL of buffer.

Are the EasySep™ magnetic particles FACS-compatible?

Yes, the EasySep™ particles are flow cytometry-compatible, as they are very uniform in size and about 5000X smaller than other commercially available magnetic beads used with column-free systems.

Can the EasySep™ magnetic particles be removed after enrichment?

No, but due to the small size of these particles, they will not interfere with downstream applications.

How does the binding of the EasySep™ magnetic particle affect the cells? is the function of positively selected cells altered by the bound particles?

Hundreds of publications have used cells selected with EasySep™ positive selection kits for functional studies. Our in-house experiments also confirm that selected cells are not functionally altered by the EasySep™ magnetic particles.

If particle binding is a key concern, we offer two options for negative selection. The EasySep™ negative selection kits can isolate untouched cells with comparable purities, while RosetteSep™ can isolate untouched cells directly from whole blood without using particles or magnets.

Can I alter the separation time in the magnet?

Yes; however, this may impact the kit's performance. The provided EasySep™ protocols have already been optimized to balance purity, recovery and time spent on the isolation.

For positive selection, can I perform more than 3 separations to increase purity?

Yes, the purity of targeted cells will increase with additional rounds of separations; however, cell recovery will decrease.

Which cell separation kits are compatible with the EasyPlate™ EasySep™ magnet?

The EasyPlate™-compatible human EasySep™ kits are:
19051 (T Cells), 19052 (CD4 T cells), 19157 (Memory CD4 T Cells), 19053 (CD8 T Cells), 19054 (B Cells), 19254 (Naïve B cells), 19055 (NK Cells), 19058 (Monocytes without CD16 depletion), 19059 (Monocytes)

The EasyPlate™-compatible mouse EasySep™ kits are:
19751 (T Cells), 19752 (CD4 T cells), 19753 (CD8 T Cells), 19754 (B Cells), 19755 (NK Cells - please contact Tech Support)

Publications (4)

Direct interaction of whole-inactivated influenza A and pneumococcal vaccines enhances influenza-specific immunity. S. C. David et al. Nature microbiology 2019 may

Abstract

The upper respiratory tract is continuously exposed to a vast array of potentially pathogenic viruses and bacteria. Influenza A virus (IAV) has particular synergism with the commensal bacterium Streptococcus pneumoniae in this niche, and co-infection exacerbates pathogenicity and causes significant mortality. However, it is not known whether this synergism is associated with a direct interaction between the two pathogens. We have previously reported that co-administration of a whole-inactivated IAV vaccine (gamma-Flu) with a whole-inactivated pneumococcal vaccine (gamma-PN) enhances pneumococcal-specific responses. In this study, we show that mucosal co-administration of gamma-Flu and gamma-PN similarly augments IAV-specific immunity, particularly tissue-resident memory cell responses in the lung. In addition, our in vitro analysis revealed that S. pneumoniae directly interacts with both gamma-Flu and with live IAV, facilitating increased uptake by macrophages as well as increased infection of epithelial cells by IAV. These observations provide an additional explanation for the synergistic pathogenicity of IAV and S. pneumoniae, as well as heralding the prospect of exploiting the phenomenon to develop better vaccine strategies for both pathogens.
Autocrine Type I IFN Signaling in Dendritic Cells Stimulated with Fungal β-Glucans or Lipopolysaccharide Promotes CD8 T Cell Activation. Hassanzadeh-Kiabi N et al. Journal of immunology (Baltimore, Md. : 1950) 2016 NOV

Abstract

Type I IFNs are key mediators of immune defense against viruses and bacteria. Type I IFNs were also previously implicated in protection against fungal infection, but their roles in antifungal immunity have not been thoroughly investigated. A recent study demonstrated that bacterial and fungal β-glucans stimulate IFN-β production by dendritic cells (DCs) following detection by the Dectin-1 receptor, but the effects of β-glucan-induced type I IFNs have not been defined. We investigated whether type I IFNs regulate CD8 T cell activation by fungal β-glucan particle-stimulated DCs. We demonstrate that β-glucan-stimulated DCs induce CD8 T cell proliferation, activation marker (CD44 and CD69) expression, and production of IFN-γ, IL-2, and granzyme B. Moreover, we show that type I IFNs support robust CD8 T cell activation (proliferation and IFN-γ and granzyme B production) by β-glucan-stimulated DCs in vitro and in vivo due to autocrine effects on the DCs. Specifically, type I IFNs promote Ag presentation on MHC I molecules, CD86 and CD40 expression, and the production of IL-12 p70, IL-2, IL-6, and TNF-α by β-glucan-stimulated DCs. We also demonstrate a role for autocrine type I IFN signaling in bacterial LPS-induced DC maturation, although, in the context of LPS stimulation, this mechanism is not so critical for CD8 T cell activation (promotes IFN-γ production but not proliferation or granzyme B production). This study provides insight into the mechanisms underlying CD8 T cell activation during infection, which may be useful in the rational design of vaccines directed against pathogens and tumors.
Phosphatidylinositol 3-Kinase p110δ Isoform Regulates CD8+ T Cell Responses during Acute Viral and Intracellular Bacterial Infections. Gracias DT et al. Journal of Immunology 2016 FEB

Abstract

The p110δ isoform of PI3K is known to play an important role in immunity, yet its contribution to CTL responses has not been fully elucidated. Using murine p110δ-deficient CD8(+) T cells, we demonstrated a critical role for the p110δ subunit in the generation of optimal primary and memory CD8(+) T cell responses. This was demonstrated in both acute viral and intracellular bacterial infections in mice. We show that p110δ signaling is required for CD8(+) T cell activation, proliferation and effector cytokine production. We provide evidence that the effects of p110δ signaling are mediated via Akt activation and through the regulation of TCR-activated oxidative phosphorylation and aerobic glycolysis. In light of recent clinical trials that employ drugs targeting p110δ in certain cancers and other diseases, our study suggests caution in using these drugs in patients, as they could potentially increase susceptibility to infectious diseases. These studies therefore reveal a novel and direct role for p110δ signaling in in vivo CD8(+) T cell immunity to microbial pathogens.
New format, same high quality! You may notice that your kit contents and packaging look slightly different from previous orders. We are currently updating the format of select EasySep™ Mouse kits to include a Mouse FcR blocker instead of Normal Rat Serum. With this change, all components will now be shipped in a single package, while providing the same cell isolation performance as before.