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Mouse Monoclonal to CD158f

UP-R1 (IgG1)

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Background

CD158f, also known as KIR2DL5, is a polymorphic 60 kDa transmembrane glycoprotein with two Ig-like extracellular domains by which it recognize HLA class I molecules. Its long intracellular domain contains immunoreceptor tyrosine-based inhibitory motifs (ITIMs) that upon extracellular ligand-mediated phosphorylation serve as docking sites for inhibitory phosphatases, which results in blocking natural cytotoxicity as well as antibody-dependent cytotoxicity of the particular NK cell, and its adhesion toward target cells. Together with other killer inhibitory receptors CD158f is important for immunological tolerance to discriminate between normal and abnormal cells. Besides NK cells it is expressed on a small population of cytotoxic T cells. Expression of CD158f alleles is highly variable in the population.

Specificity

The mouse monoclonal antibody UP-R1 recognizes CD158f (KIR2DL5), a 60 kDa glycoprotein serving as a HLA class I ligand, and mainly expressed on a subset of NK cells and a small population of T cells. Its expression is highly polymorphic between individuals.

Regulatory Status

Immunogen

Human CD158f-Ig fusion protein

Species Reactivity:

  • Human

Negative Species:

Applications:

  • Flow Cytometry
  • Immunocytochemistry
Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

General references

  • *Du Z, Sharma SK, Spellman S, Reed EF, Rajalingam R: KIR2DL5 alleles mark certain combination of activating KIR genes. Genes Immun. 2008 Jul;9(5):470-80. [Abstract]
  • *Yusa S, Catina TL, Campbell KS: KIR2DL5 can inhibit human NK cell activation via recruitment of Src homology region 2-containing protein tyrosine phosphatase-2 (SHP-2). J Immunol. 2004 Jun 15;172(12):7385-92. [Abstract]
  • Product Specific References

  • *Estefanía E, Flores R, Gómez-Lozano N, Aguilar H, López-Botet M, Vilches C: Human KIR2DL5 is an inhibitory receptor expressed on the surface of NK and T lymphocyte subsets. J Immunol. 2007 Apr 1;178(7):4402-10. [Abstract] [Full Text]
  • For research use only. Not for drug, diagnostic or other use.

    Example Data


    UP-R1 PE FC


    Fig. 1. Surface staining of human peripheral blood with anti-CD158f (UP-R1) PE.



    UP-R1 purified


    Fig. 2. Surface staining of human peripheral blood with anti-CD158f (UP-R1) purified / GAM-APC.

    Unless indicated otherwise, all products are For Research Use Only and not for diagnostic or therapeutic use. Not for resale or transfer either as a stand-alone product or as a component of another product without written consent of EXBIO. EXBIO will not be held responsible for patent infringement or other violations that may occur with the use of our products. All orders are accepted subject to EXBIO´s term and conditions which are available at www.exbio.cz.
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