DescriptionAt least five CD1 genes (CD1a, b, c, d, and e) are identified. CD1 proteins have been demonstrated to restrict Tcell response to non-peptide lipid and glycolipid antigens and play a role in non-classical antigen presentation. CD1a is a non-polymorphic MHC Class 1 related cell surface glycoprotein, expressed in association with Beta-2 microglobulin. CD1a antibody labels Langerhans cell histiocytosis (Histiocytosis X), extranodal histiocytic sarcoma, a subset of T-lymphoblastic lymphoma/leukemia, and interdigitating dendritic cell sarcoma of the lymph node.When combined with antibody against TTF-1 and CD5, CD1a antibody is useful in distinguishing between pulmonary and thymic neoplasms since it is consistently expressed in thymic lymphocytes in both typical and atypical thymomas, but only focally in 1/6 of thymic carcinomas and not in lymphocytes in pulmonary neoplasms. CD1a antibody is reported to be a new marker for perivascular epithelial cell tumor (PEComa).Application NotesThe concentration stated for each application is a general starting point.Variations in protocols, secondaries and substrates may require the CD1a antibody to be titered up or down for optimal performance.1. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min.ImmunogenA portion of amino acids 43-173 from the human protein was used as the immunogen for this CD1a antibody.StorageStore the CD1a antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).Related Products1. View all CD1a antibodies2. View all human protein microarray validated antibodies

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