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Overview
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Antigen Distribution: The CD8 antigen is expressed on approximately 19-48% of normal human peripheral blood lymphocytes and > 90% of normal thymocytes. It is also present on a subset of NK cells. Subjects infected with HIV have been shown to exhibit increased levels of CD8+ lymphocytes with a continual decrease in CD4+ lymphocytes.
Specificity: Anti-CD8 In Vivo Antibody - Low Endotoxin (UCHT-4) recognizes Human CD8. Anti-Human CD8 recognizes a T-cell glycoprotein cell surface complex (Mr 32 kDa) which defines the cytotoxic/suppressor population of mature T-lymphocytes. The CD8 complex interacts with class I MHC molecules resulting in increased adhesion between CD8+ T-lymphocytes and their target cells. Binding of the CD8 antigen to Class I MHC molecules enhances T-cell activation. The cytoplasmic portion of the CD8 antigen is associated with a protein tyrosine kinase (p56lck).
Purification method: This monoclonal antibody was purified using multi-step affinity chromatography methods such as Protein A or G depending on the species and isotype.
Isotype Control: Mouse IgG2a In Vivo Isotype Control - Low Endotoxin [C1.18.4] (ICH2245)
Endotoxin: <1.0 EU/mg as determined by the LAL method
Aggregation: Aggregation level ≤ 5%Please contact us at for specific academic pricing.
Background
Anti-CD8 may be used in studies of immunoregulation and T-lymphocyte mediated suppression, autoimmune disorders, immunodeficiency states and acute lymphoblastic leukemia and lymphoma.
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