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| Product Name | CA19-9 Cancer Antigen (Pancreatic, GI or Ovarian Tumor Antigen, Sialyl Lewis a) |
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| Description | Purity ≥ 70% (Standard Grade). CA19-9 (Sialyl Lewis a) is a carbohydrate antigenic determinant identified as a sialylated lacto-N-fucopentose II, an oligosaccharide biochemically related to the Lewis a blood group antigen. In malignant tissues positive staining of tumor cells is observed in most adenocarcinomas of the pancreas and stomach, and in a large proportion of colon and gall bladder tumors. The antigen is also expressed in approximately half of primary and metastatic ovarian tumors. In normal tissues, positive staining is also observed in column or epithelium of the pancreas stomach, liver, gall bladder and in bronchial glands of the lung. Contaminants: CA125: < 2.0% CA72-4: < 1.0% CA15-3: < 1.0% Activity: ~50,000 U/ml (Roche EIA) Applications: Suitable for antigenic applications in immunological protocols. |
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| Size | 25KU, 50KU |
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| Concentration | n/a |
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| Applications | n/a |
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| Other Names | n/a |
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| Gene, Accession, CAS # | n/a |
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| Catalog # | C0075-13 |
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| Order / More Info | CA19-9 Cancer Antigen (Pancreatic, GI or Ovarian Tumor Antigen, Sialyl Lewis a) from UNITED STATES BIOLOGICAL |
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| Product Specific References | n/a |
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