IHC of CD45 on an FFPE Tonsil Tissue
| Intended Use | For In Vitro Diagnostic Use | |||||||||||||||||||||||||||||||||||
| Summary and Explanation | The CD45 antigen is a protein which was originally called Leukocyte Common Antigen. It is a Type I transmembrane protein which is in various forms present on all differentiated hematopoietic cells except erythrocytes and assists in the activation of those cells (a form of co-stimulation). It is expressed in Lymphomas, B-cell Chronic Lymphocytic Leukemia, Hairy Cell Leukemia, and Acute Non-lymphocytic Leukemia. CD45 is a monoclonal antibody that is routinely used to aid in the differential diagnosis of undifferentiated neoplasms, whenever malignant Lymphoma is suspected by the morphological or clinical data. It is a highly specific antibody; thus, a positive result is highly indicative of lymphoid or myeloid origin. Certain types of lymphoid neoplasms may lack CD45 (Hodgkin’s Disease, some T-cell Lymphomas and some Leukemias) so its absence does not rule out a hematolymphoid tumor. This antibody is exclusively expressed by cells of hematopoietic lineage and is present in most benign and malignant lymphocytes, erythrocytes and plasma cell precursors. | |||||||||||||||||||||||||||||||||||
| Antibody Type | Mouse Monoclonal | Clone | 2B11 & PD7/26 | |||||||||||||||||||||||||||||||||
| Isotype | IgG1/K | Reactivity | Paraffin, Frozen | |||||||||||||||||||||||||||||||||
| Localization | Membranous | Control | Tonsil, Lymph Node, Spleen, Thymus | |||||||||||||||||||||||||||||||||
| Presentation | CD45 is a mouse monoclonal antibody derived from cell culture supernatant that is concentrated, dialyzed, filter sterilized and diluted in buffer pH 7.5, containing BSA and sodium azide as a preservative. | |||||||||||||||||||||||||||||||||||
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| Note: For concentrated antibodies, please centrifuge prior to use to ensure recovery of all product. | ||||||||||||||||||||||||||||||||||||
