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Mouse Monoclonal to Perforin

dG9 (IgG2b)

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Perforin is a 70 kDa cytolytic protein with structural and functional similarities to complement component 9 (C9). It is stored in cytoplasmic granules of cytotoxic T cells and NK cells and after its release it forms transmembrane pores in the target cells to kill it. As perforin is a key effector molecule for cell-mediated cytolysis, defects of its gene can cause severe disorders.


The mouse monoclonal antibody dG9 (also known as deltaG9) recognizes perforin, a 70 kDa protein expressed in cytoplasmic granules of cytotoxic T cells and NK cells.

Regulatory Status


purified granules from human YT lymphoma cell line

Species Reactivity:

  • Human
  • Bovine

Negative Species:

  • Mouse


  • Flow Cytometry
    Application note: intracellular staining
  • Immunoprecipitation
  • Immunohistochemistry (paraffin sections)
  • Immunohistochemistry (frozen sections)
  • Immunocytochemistry
Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

Product Specific References

  • *Hameed A, Olsen KJ, Cheng L, Fox WM, Hruban RH, Podack ER: Immunohistochemical identification of cytotoxic lymphocytes using human perforin monoclonal antibody. Am J Pathol. 1992 May;140(5):1025-30. [Abstract] [Full Text]
  • *Hersperger AR, Makedonas G, Betts MR: Flow cytometric detection of perforin upregulation in human CD8 T cells. Cytometry A. 2008 Nov;73(11):1050-7. [Abstract]
  • *Vargas-Inchaustegui DA, Demberg T, Robert-Guroff M: A CD8α(-) subpopulation of macaque circulatory natural killer cells can mediate both antibody-dependent and antibody-independent cytotoxic activities. Immunology. 2011 Nov;134(3):326-40. [Abstract] [Full Text]
  • *Takeuchi M, Inoue T, Otani T, Yamasaki F, Nakamura S, Kibata M: Cell-in-cell structures formed between human cancer cell lines and the cytotoxic regulatory T-cell line HOZOT. J Mol Cell Biol. 2010 Jun;2(3):139-51. [Abstract] [Full Text]
  • *Qiu Y, Chen J, Liao H, Zhang Y, Wang H, Li S, Luo Y, Fang D, Li G, Zhou B, Shen L, Chen CY, Huang D, Cai J, Cao K, Jiang L, Zeng G, Chen ZW: Tim-3-expressing CD4+ and CD8+ T cells in human tuberculosis (TB) exhibit polarized effector memory phenotypes and stronger anti-TB effector functions. PLoS Pathog. 2012;8(11):e1002984. [Abstract] [Full Text]
  • For research use only. Not for drug, diagnostic or other use.

    Example Data

    dG9 PE

    Fig. 1. Intracellular staining of perforin in human peripheral blood cells with anti-perforin (dG9) PE.

    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
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