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Diagnostic Biosystems CYTOKERATIN 19 Cytokeratin 19 (A53‐B/A2.26 )
Supplier: Diagnostic Biosystems PDM192
This antibody is specific to a 40 kDa protein, cytokeratin 19. Its epitope maps between amino acids 312‐335. CK19 is expressed in sweat gland, mammary gland ductal and secretory cells, bile ducts, gastrointestinal tract,\nbladder urothelium, oral epithelia, esophagus, and ectocervical epithelium. Anti-CK19 reacts with a wide variety of epithelial malignancies including adenocarcinomas of the colon, stomach, pancreas, biliary tract, liver, and\nbreast. Perhaps the most useful application is the identification of thyroid carcinoma of the papillary type, although 50%-60% of follicular carcinomas are also labeled. Anti-CK19 is a useful marker for detection of tumor cells in lymph nodes, peripheral blood, bone marrow and breast cancer.
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