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Mouse Monoclonal to CD98

MEM-108 (IgG1)

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Background

CD98 (4F2) is a type II transmembrane glycoprotein which serves as the heavy chain of the heterodimeric amino acid transporters (HATs). CD98, linked to various light chains by disulfide bond, is responsible for cell surface expression and basolateral localization of this transporter complex in polarized epithelial cells and also interacts with beta1 integrins and increases their affinity for ligand. Besides its roles in amino acid transport, CD98 is thus involved in cell fusion and activation. It is implicated in regulation of cellular differentiation, growth and apoptosis.

Specificity

The antibody MEM-108 reacts with CD98, a 125 kDa disulfide-linked heterodimer (80 kDa glycosylated heavy chain + 45 kDa non-glykosylated light chain). CD98 is expressed on T lymphocytes (upon activation) and activated NK cells; it is also present at low levels on B lymphocytes, NK cells, monocytes and platelets.
HLDA VI; WS Code BP 409
HLDA VI; WS Code NL N-L017

Regulatory Status

Immunogen

RAJI human Burkitt's lymphoma cell line

Species Reactivity:

  • Human

Negative Species:

Applications:

  • Flow Cytometry
    Recommended dilution:4 μg/ml
  • Immunoprecipitation
  • Immunohistochemistry (paraffin sections)
    Recommended dilution: 10 μg/ml
    Positive tissue: liver
Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

General references

  • *Liu X, Charrier L, Gewirtz A, Sitaraman S, Merlin D: CD98 and intracellular adhesion molecule I regulate the activity of amino acid transporter LAT-2 in polarized intestinal epithelia. J Biol Chem. 2003 Jun 27;278(26):23672-7. [Abstract] [Full Text]
  • *Cho JY, Skubitz KM, Katz DR, Chain BM: CD98-dependent homotypic aggregation is associated with translocation of protein kinase Cdelta and activation of mitogen-activated protein kinases. Exp Cell Res. 2003 May 15;286(1):1-11. [Abstract]
  • *Cai S, Bulus N, Fonseca-Siesser PM, Chen D, Hanks SK, Pozzi A, Zent R: CD98 modulates integrin beta1 function in polarized epithelial cells. J Cell Sci. 2005 Mar 1;118(Pt 5):889-99. [Abstract] [Full Text]
  • *Dalton P, Christian HC, Redman CW, Sargent IL, Boyd CA: Differential effect of cross-linking the CD98 heavy chain on fusion and amino acid transport in the human placental trophoblast (BeWo) cell line. Biochim Biophys Acta. 2007 Mar;1768(3):401-10. [Abstract]
  • Product Specific References

  • *Leukocyte Typing VI., Kishimoto T. et al. (Eds.), Garland Publishing Inc. (1997).
  • For research use only. Not for drug, diagnostic or other use.

    Related Products

  • Mouse IgG1 Isotype Control
  • Example Data


    mem-108



    Fig. 1. Surface staining of human peripheral blood cells with anti-human CD98 (MEM-108) FITC.
    Cells in the monocyte gate were used for analysis.


    MEM-108 PE



    Fig. 2. Surface staining of human peripheral blood cells with anti-human CD98 (MEM-108) PE.

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