Recognizes a protein of 130-140kDa, identified as CD22 (also known as BL-CAM). CD22 expression is restricted to normal and neoplastic B cells and is absent from other haemopoietic cell types. In B-cell ontogeny, CD22 is first expressed in the cytoplasm of pro-B and pre-B cells, and on the surface as B cells mature to become IgD+. It is not expressed by plasma cells, CD22 is found highly expressed in follicular mantle and marginal zone B-cells, and while germinal center B-cells are relatively weak. CD22 is a member of the immunoglobulin superfamily and serves as an adhesion receptor for sialic acid-bearing ligands expressed on erythrocytes and all leukocyte classes. It also associates with tyrosine kinases and play a role in signal transduction and B-cell activation.
200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.
SDS-PAGE Analysis of Purified CD22 Recombinant Rabbit Monoclonal Antibody(BLCAM/8113R). Confirmation of Purity and Integrity of Antibody
Western Blot Analysis of Human Spleen, Raji and Ramos lysates using CD22 Recombinant Rabbit Monoclonal Antibody (BLCAM/8113R).
Western Blot Analysis of Human Spleen, Mouse Spleen, Rat Spleen, Hamster Spleen, Guinea pig Spleen and Rabbit Spleen tissue lysates using CD22 Recombinant Rabbit Monoclonal Antibody (BLCAM/8113R).
Formalin-fixed, paraffin-embedded human tonsil stained with CD22 Recombinant Rabbit Monoclonal Antibody (BLCAM/8113R). Inset: PBS instead of primary antibody, secondary control.
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