C0075-03E

CA19-9 Cancer Antigen (Pancreatic, GI or Ovarian Tumor Antigen, Sialyl Lewis a)

Size

£991.00

SKU:: C0075-03E
Purity:: Purified by Protein A/G affinity chromatography from ascites
Storage Conditions:: -20°C
Supplier:: United States Biological
Host:: Mouse
Immunogen:: Highly purified human CA19-9 protein.
Clone:: 11C93
Format:: Supplied as a liquid in PBS, pH 7.4. No preservative added.
Extra Details:: 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. Applications: Suitable for use in ELISA. Other applications not tested. Recommended Dilutions: ELISA: Can be used as a coating and tracer antibody. Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.