GeneAb™ Cytokeratin 19


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Cytokeratin 19 (CK19) forms intermediate filaments found in the intracytoplasmic cytoskeleton of epithelial tissue and provides mechanical support. Anti-Cytokeratin 19 stains epithelia and epithelial malignancies such as carcinomas of the colon, stomach, pancreas, biliary tract, liver, and breast. Cytokeratin 19 is a useful marker for distinguishing hepatocellular carcinoma from intrahepatic cholangiocarcinoma. This differentiation is improved when stained in combination with Cytokeratin 7, CAM5.2l, Ber-EP4/MOC31, HepPar1 and TTF1. Cytokeratin 19 staining can also be used to recognize thyroid papillary carcinomas.

SKU: IHC019 Categories: , ,



Clone IHC019
Source Mouse Monoclonal
Positive Control Bladder, Colon Carcinoma, Colon, Thyroid Carcinoma
Dilution Range 1:200



    1. Jain R, et al. Appl Immunohistochem Mol Morphol. 2010; 18:9-15.
    2. Rosai J. Tumori. 2003; 89:517-9.
    3. de Matos LL, et al. Diagn Pathol. 2012; 7:97.