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Mouse Monoclonal to Acidic Cytokeratins

AE1 (IgG1)

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Cytokeratins are a subfamily of intermediate filaments and characterized by remarkable biochemical diversity. Cytokeratins are represented in epithelial tissues by at least 20 different polypeptides, molecular weight between 40 kDa and 68 kDa. The individual cytokeratin polypeptides are designated 1 to 20 and divided into the type I (acidic cytokeratins 9-20) and type II (basic to neutral cytokeratins 1-8) families.


Mouse monoclonal antibody AE1 recognizes acidic type cytokeratins, namely K10, 14, 15, 16, 19 (40-56 Kda). This antibody stains well the basal layer of epidermis and most epithelia.

Regulatory Status


Human epidermal keratins

Species Reactivity:

  • Human
  • Non-Human Primates
  • Mouse
  • Rat
  • Canine (Dog)
  • Feline (Cat)
  • Rabbit
  • Chicken

Negative Species:


  • Flow Cytometry
  • Western Blotting
  • 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

  • *Ansai SI, Katagata Y, Yoshikawa KI, Hozumi Y, Aso K: Keratin specificity analyses of eight anti-keratin monoclonal antibodies, and their immunostaining patterns in normal skin using formalin-fixed and paraffin-embedded tissue specimens. Arch Dermatol Res. 1993;285(1-2):6-12. [Abstract]
  • *Hunt RC, Davis AA: Altered expression of keratin and vimentin in human retinal pigment epithelial cells in vivo and in vitro. J Cell Physiol. 1990 Nov;145(2):187-99. [Abstract]
  • *Woodcock-Mitchell J, Eichner R, Nelson WG, Sun TT: Immunolocalization of keratin polypeptides in human epidermis using monoclonal antibodies. J Cell Biol. 1982 Nov;95(2 Pt 1):580-8. [Abstract] [Full Text]
  • *Listrom MB, Dalton LW: Comparison of keratin monoclonal antibodies MAK-6, AE1:AE3, and CAM-5.2. Am J Clin Pathol. 1987 Sep;88(3):297-301. [Abstract]
  • For research use only. Not for drug, diagnostic or other use.

    Example Data

    AE1 PE

    Fig. 1. Intracellular staining of CaCo-2 cells with anti-acidic cytokeratins (AE1) 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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