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Mouse Monoclonal to CD273 / PD-L2

24F.10C12 (IgG2a)

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CD273 / PD-L2 (programmed death ligand-1), also known as B7-DC, is a member of the B7 family of regulatory proteins. It costimulates the proliferation of T cells, and mediates IFN gamma production. Ligation of CD273 on dendritic cells enhances dendritic cell activation and T cell responses. When interacting with CD279, it can act as a coinhibitor of the T cell function. CD273 expression is a useful marker to distinguish primary mediastinal B cell lymphoma from other diffuse large B cell lymphomas.


The mouse monoclonal antibody 24F.10C12 recognizes CD273 / PD-L2 (also known as B7-DC), a 25 kDa type I transmembrane protein expressed by dendritic cells, activated monocytes and T cells, heart, first trimester placenta, lung and liver, as well as in Hodgkin´s lymphoma cells and primary mediastinal B cell lymphoma (PMBL).

Regulatory Status


human CD273

Species Reactivity:

  • Human

Negative Species:


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

Product Specific References

  • *Green MR, Monti S, Rodig SJ, Juszczynski P, Currie T, O'Donnell E, Chapuy B, Takeyama K, Neuberg D, Golub TR, Kutok JL, Shipp MA: Integrative analysis reveals selective 9p24.1 amplification, increased PD-1 ligand expression, and further induction via JAK2 in nodular sclerosing Hodgkin lymphoma and primary mediastinal large B-cell lymphoma. Blood. 2010 Oct 28;116(17):3268-77. [Abstract] [Full Text]
  • *Rodríguez-García M, Porichis F, de Jong OG, Levi K, Diefenbach TJ, Lifson JD, Freeman GJ, Walker BD, Kaufmann DE, Kavanagh DG: Expression of PD-L1 and PD-L2 on human macrophages is up-regulated by HIV-1 and differentially modulated by IL-10. J Leukoc Biol. 2011 Apr;89(4):507-15. [Abstract] [Full Text]
  • *Semnani RT, Mahapatra L, Moore V, Sanprasert V, Nutman TB: Functional and phenotypic characteristics of alternative activation induced in human monocytes by interleukin-4 or the parasitic nematode Brugia malayi. Infect Immun. 2011 Oct;79(10):3957-65. [Abstract] [Full Text]
  • For research use only. Not for drug, diagnostic or other use.

    Example Data

    24F-10C12 PE

    Fig. 1. Surface staining of CD273 on monocyte-derived dendritic cells with anti-CD273 (24F.10C12) PE.

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