CD53 Antibody (OX-80)



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CD53 Antibody (OX-80) Summary

RAW264 cell line
NB100-63931 recognizes the murine CD53 cell surface antigen, a glycoprotein of 35-45kD.CD53 is a member of the tetraspan family of molecules, and is expressed by all leucocytes, but is absent from red cells and platelets. OX80 recognizes an extracellular epitope and its binding is dependent upon the threonine residue at position 154.
Tissue culture supernatant
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  • Flow Cytometry 1:5

Reactivity Notes

Cross reacts with Mouse.

Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
No buffer
0.09% Sodium Azide
Tissue culture supernatant

Alternate Names for CD53 Antibody (OX-80)

  • antigen MOX44 identified by monoclonal MRC-OX44
  • CD53 antigentetraspanin-25
  • CD53 glycoprotein
  • CD53 molecule
  • CD53 tetraspan antigen
  • CD53
  • cell surface antigen
  • Cell surface glycoprotein CD53
  • MOX44
  • MOX44transmembrane glycoprotein
  • Tetraspanin-25
  • TSPAN25
  • tspan-25
  • TSPAN25leukocyte surface antigen CD53


CD53 is a member of the tetraspan family of molecules, and is expressed by all leucocytes, but is absent from red cells and platelets. Most of the tetraspan family of molecules are cell surface proteins that are characterized by the presence of four hydrophobic domains. The proteins mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility. CD53 is a cell surface glycoprotein that is known to complex with integrins. It contributes to the transduction of CD2 generated signals in T cells and natural killer cells and has been suggested to play a role in growth regulation. Familial deficiency of this gene has been linked to an immunodeficiency associated with recurrent infectious diseases caused by bacteria, fungi and viruses. The antibody reacts with CD53 antigen, a glycoprotein of 32-40 kDa belonging to the tetraspans family (TM4SF). CD53 antigen is exclusivelly expressed on leucocytes (not present on platelets, red blood cells and non-hematopoietic cells). CD53 is important for signal transduction. CD53 cross-linking promotes activation of human B cells and rat macrophages.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Target of the antiproliferative 1 (TAPA1), also known as CD81, is found in the plasma membrane in lymphocytes and plays an important role in the regulation of lymphoma cell growth. This transmembrane 4 superfamily (TM4SF) protein is primarily found on...  Read full blog post.

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Gene Symbol CD53