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Anti-Hairy Cell Leukemia stains various B-cells in the follicular mantle zone and virtually all cases of hairy cell leukemia. It also stains some high grade B-cell lymphomas.
| Clone | IHC687 |
| Source | Mouse Monoclonal |
| Positive Control | Tonsil |
| Dilution Range | 1:200 |
Cluster of differentiation 15 (CD15) is a carbohydrate adhesion molecule. Positive staining for CD15 and negative staining for leukocyte common antigen or other B- or T-cell lineage markers helps recognize Reed Sternberg cells (RSC) in Classical Hodgkin’s Lymphoma (CHL), and distinguishes it from Hodgkin-like neoplasms. CD15 does not stain mesotheliomas and is therefore most useful for distinguishing epithelial mesothelioma from adenocarcinoma.
Bile Salt Export Pump (BSEP) is a member of the ATP-binding cassette (ABC) transporters, which mediates the transport of bile acid, taurocholate and other cholate conjugates across the hepatocyte canalicular membrane into the canaliculus. BSEP is associated with progressive familial intrahepatic cholestasis type 2 (PFIC2) and benign recurrent intrahepatic cholestasis type 2 (BRIC2). PFIC2 caused by mutations in the BSEP gene increases the risk of hepatocellular carcinoma in early life.
The Her2/Neu (c-erbB-2) proto-oncogene is a transmembrane receptor tyrosine kinase that is clinically indicated in a number of carcinomas. Overexpression of the c-erbB-2 protein has been associated with ductal breast cancer, as well as pulmonary and gastric adenocarcinomas. A correlation between Her2 and p53 has also been documented, as overexpression of both proteins has been associated with early invasion and metastasis in bladder cancer.
KBA.62, also known as Melanoma Associated Antigen, is used to detect an antigen present in melanocytic tumors, such as melanomas, due to its proven sensitivity and specificity. The antibody can also be used to distinguish between junctional nevus and intradermal nevus cells, and fetal melanocytes versus normal adult melanocytes. Studies have shown KBA.62 to be highly useful in differentiating between metastatic amelanotic melanoma and a number of poorly differentiated carcinomas, large cell lymphomas, sarcomas, and spindle cell carcinomas.
