CD22 Antibody
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.
Product Specifications
UniProt
P20273
Reactivity
Human
Immunogen
Human tonsil lymphocytes were used as the immunogen for the CD22 antibody.
Clonality
Monoclonal
Clone
RFB4
Conjugation
Unconjugated
Field of Research
Immunology & Inflammation
Purification
Protein G affinity chromatography
Dilution
Flow cytometry: 1-2ug/10^6 cells in 0.1ml
Storage Conditions
Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
Notes
For research use only.
Applications Notes
Optimal dilution of the CD22 antibody should be determined by the researcher.
Tested Applications
FACS
Host or Source
Mouse
Preservative
0.2 mg/ml in 1X PBS with 0.1 mg/ml rAlbumin and 0.05% sodium azide
Isotype
Mouse IgG1, kappa
Available Sizes
Frequently Asked Questions
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