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Mouse Monoclonal to CD158d / KIR2DL4

mAb#33 (IgG1)

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Background

CD158d / KIR2DL4 is a KIR family member that shares structural features with both activating and inhibitory receptors and may mediate different functions under different circumstances. It contains cytoplasmic ITIM, suggesting inhibitory function, but also transmembrane domain similar to those of activating KIRs. It has been reported that CD158d serves as an inhibitory receptor for peripheral and uterine NK cells, but its ligation with soluble mAbs (unlike immobilized mAbs) results in activation of IFN-γ secretion. CD158d also binds both membrane form and soluble form of its ligand HLA-G.

Specificity

The mouse monoclonal antibody mAb#33 (also known as mAb 33 or 33) recognizes extracellular portion of CD158d / KIR2DL4, a 45 kDa NK cell marker. Cell surface expression and function of CD158d / KIR2DL4 depends on genotype of particular individuals.

Regulatory Status

Immunogen

NK3.3 cells and KIR2DL4-Ig fusion protein

Species Reactivity:

  • Human

Negative Species:

Applications:

  • Flow Cytometry
    Recommended dilution:1 μg/ml
  • Immunoprecipitation
  • Western Blotting
  • Immunocytochemistry
  • Functional Application
    Cytokine secretion studies
Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

Product Specific References

  • *Rajagopalan S, Fu J, Long EO: Cutting edge: induction of IFN-gamma production but not cytotoxicity by the killer cell Ig-like receptor KIR2DL4 (CD158d) in resting NK cells. J Immunol. 2001 Aug 15;167(4):1877-81. [Abstract] [Full Text]
  • *Goodridge JP, Witt CS, Christiansen FT, Warren HS: KIR2DL4 (CD158d) genotype influences expression and function in NK cells. J Immunol. 2003 Aug 15;171(4):1768-74. [Abstract] [Full Text]
  • *Rajagopalan S, Bryceson YT, Kuppusamy SP, Geraghty DE, van der Meer A, Joosten I, Long EO. Activation of NK cells by an endocytosed receptor for soluble HLA-G. PLoS Biol. 2006 Jan;4(1):e9. [Abstract] [Full Text]
  • *Yan WH, Fan LA: Residues Met76 and Gln79 in HLA-G alpha1 domain involve in KIR2DL4 recognition. Cell Res. 2005 Mar;15(3):176-82. [Abstract] [Full Text]
  • *LeMaoult J, Zafaranloo K, Le Danff C, Carosella ED: HLA-G up-regulates ILT2, ILT3, ILT4, and KIR2DL4 in antigen presenting cells, NK cells, and T cells. FASEB J. 2005 Apr;19(6):662-4. [Abstract] [Full Text]
  • For research use only. Not for drug, diagnostic or other use.

    Example Data

    mAb 33 APC


    Fig. 1. Surface staining of CD158d in human peripheral blood using anti-CD158d (mAB#33) 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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