Ultra-LEAF™ Purified anti-human CD150 (SLAM) Antibody

Pricing & Availability
A12 (7D4) (See other available formats)
Regulatory Status
Other Names
SLAM, Signaling Lymphocyte Activation Molecule, IPO-3
Mouse IgG1, κ
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Product Citations
Human peripheral blood lymphocytes Ultra-LEAF™ purified A12, followed by biotinylated anti-mouse IgG and Sav-PE
  • A12_LEAF_020608
    Human peripheral blood lymphocytes Ultra-LEAF™ purified A12, followed by biotinylated anti-mouse IgG and Sav-PE
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306317 100 µg 216€
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306318 1 mg 595€
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CD150 is a 70-95 kD type I transmembrane glycoprotein also known as SLAM or IPO-3. It is a member of the Ig superfamily. It is expressed on a subset of T cells, B cells, dendritic cells, and endothelial cells. The expression of CD150 is upregulated upon activation. CD150 binds to itself as the ligand to be involved in B cell costimulation, proliferation, immunoglobulin production, and signal transduction.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human, Cynomolgus, Rhesus
Reported Reactivity
African Green, Baboon
Antibody Type
Host Species
Activated human PBMC
0.2 µm filtered in phosphate-buffered solution, pH 7.2, containing no preservative. Endotoxin level is < 0.01 EU/µg of the protein (< 0.001 ng/µg of the protein) as determined by the LAL test.
The Ultra-LEAF™ (Low Endotoxin, Azide-Free) antibody was purified by affinity chromatography.
The antibody is bottled at the concentration indicated on the vial, typically between 2 mg/mL and 3 mg/mL. Older lots may have also been bottled at 1 mg/mL. To obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C. This Ultra-LEAF™ solution contains no preservative; handle under aseptic conditions.

FC - Quality tested

Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤ 1.0 µg per million cells in 100 µL volume. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

Additional reported applications (for the relevant formats) include: immunohistochemical staining of acetone-fixed frozen tissue sections, immunoprecipitation4, and costimulation1,5 of IFN-gamma production and T cell proliferation. The Ultra-LEAF™ purified antibody (Endotoxin <0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 306317 and 306318).

Application References
  1. Garcia V, et al. 2001. J. Immunol. 167:5719. (Costim)
  2. Vincent S, et al. 2002. J. Virol. 76:6121.
  3. Cocks B, et al. 1995. Nature 376:260.
  4. Sayos J, et al. 2001. Blood 97:3867. (IP)
  5. Aversa G, et al. 1997. J. Immunol. 158:4036. (Costim)
  6. Spencer M, et al. 2010. Am. J. Physiol Endocrinol Metab. 299:1016. PubMed
AB_2860817 (BioLegend Cat. No. 306317)
AB_2860818 (BioLegend Cat. No. 306318)

Antigen Details

Ig superfamily, type I transmembrane glycoprotein, 70-95 kD

T subset (upregulated after activation), B cells, dendritic cells, endothelial cells

B cell costimulation, proliferation and Ig production
CD150 (self ligand)
Cell Type
B cells, Dendritic cells, Endothelial cells, T cells, Tregs
Biology Area
Costimulatory Molecules, Immunology, Innate Immunity
Molecular Family
Adhesion Molecules, CD Molecules
Antigen References

1. Cocks B, et al. 1995. Nature 376:260.
2. Pinchouk V, et al. 1988. AntiCancer Res. 8:1377.
3. Polacino P, et al. 1996. J. Med. Primatol. 25:201.
4. Punnonen J, et al. 1997. J. Exp. Med. 185:993.

Gene ID
6504 View all products for this Gene ID
View information about CD150 on UniProt.org

Related FAQs

Do you guarantee that your antibodies are totally pathogen free?

BioLegend does not test for pathogens in-house aside from the GoInVivo™ product line. However, upon request, this can be tested on a custom basis with an outside, independent laboratory.

Does BioLegend test each Ultra-LEAF™ antibody by functional assay?

No, BioLegend does not test Ultra-LEAF™ antibodies by functional assays unless otherwise indicated. Due to the possible complexities and variations of uses of biofunctional antibodies in different assays and because of the large product portfolio, BioLegend does not currently perform functional assays as a routine QC for the antibodies. However, we do provide references in which the antibodies were used for functional assays and we do perform QC to verify the specificity and quality of the antibody based on our strict specification criteria.

Does BioLegend test each Ultra-LEAF™ antibody for potential pathogens?

No, BioLegend does not test for pathogens in-house unless otherwise indicated.  However, we can recommend an outside vendor to perform this testing as needed.

Have you tested this Ultra-LEAF™ antibody for in vivo or in vitro applications?

We don't test our antibodies for in vivo or in vitro applications unless otherwise indicated. Depending on the product, the TDS may describe literature supporting usage of a particular product for bioassay. It may be best to further consult the literature to find clone specific information.

Go To Top Version: 1    Revision Date: 03-24-2020

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.


*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.


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This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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