CD22 expression is restricted to normal and neoplastic B-cells and is absent from other hemopoietic 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, while germinal center B-cells are relatively weak. Its expression roughly parallels that of CD19. It is strongly expressed in hairy cell leukemia.
KIT COMPONENTS (100 reactions)
- 50x DAB Chromogen 1 x 0.5ml
- Biotinylated goat anti-rabbit IgG(H+L) 1 x 15ml
- DAB substrate 1 x 15ml
- Hydrogen Peroxide Block 1 x 15ml
- Protein block 1 x 15ml
- Streptavidin Peroxidase 1 x 15ml
- Rabbit anti-human CD22
Store at +4°C. Please refer to protocols.
The products is “”FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES”””
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