CD20 is a non-Ig differentiation antigen of B-cells and its expression is restricted to normal and neoplastic B-cells, being absent from all other leukocytes and tissues. CD20 is expressed by pre B-cells and persists during all stages of B-cell maturation but is lost upon terminal differentiation into plasma cells. This antibody can be used for immunophenotyping of leukemia and malignant cells, B lymphocyte detection in peripheral blood and B cell localization in tissues. It reacts with the majority of B-cells present in peripheral blood and lymphoid tissues and their derived lymphomas. In lymphoid tissue, germinal center blasts and B-immunoblasts are particularly reactive. It is a reliable antibody for ascribing a B-cell phenotype in known lymphoid tissues. Rarely, CD20-positive T-cell lymphomas have been reported. Reactivity has also been noted with Reed-Sternberg cells in cases of Hodgkin s disease, particularly of lymphocyte predominant type.
Formulation
1 mg/ml in 1X PBS; BSA free, sodium azide free
Host
Rabbit
Immunogen Region
Recombinant human CD20 protein was used as the immunogen for this CD20 antibody.
Isotype
Rabbit IgG
Species Reactivity
Human
Note
Titering of the CD20 antibody may be required for optimal performance.
Uniprot
P11836
Format
Purified
Purity
Protein A affinity chromatography
Storage
CD20 antibody with azide can be stored at 2-8oC. The azide-free format should be aliquoted and stored at -20oC or colder.
Applications
IHC-P
Description
Immunohistochemistry (FFPE): 0.5-1ug/ml for 30 min at RT