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Diagnostic Biosystems CYTOKERATIN 7 Cytokeratin 7 (LP1K)
Supplier: Diagnostic Biosystems MOB56301

Keratins are cytoplasmic intermediate filament proteins expressed by epithelial cells. Cytokeratin 7 (CK7) is expressed in a wide range of epithelial structures in humans. CK7 occurs in the columnar and glandular epithelium of the lug, cervix, breast, in bile ducts, collecting ducts in the kidney and mesothelium, but is absent in gastrointestinal epithelium, hepatocytes, proximal and distal tubules of the kidney and myoepithelium. The antibody OVTL 12/30 is an excellent tool in the differential diagnosis of malignant cells and to determine primary tumor localization. It stains a 54kD protein band of cytoskeletal proteins from cell lines in one and two dimensional immunoblots.
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