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CD23 Rat anti-Mouse, FITC, Clone: B3B4, BD
Rat Monoclonal Antibody
Marque: BD Biosciences 561772
Informations supplémentaires : Poids : 0.01000kg
Description
The B3B4 antibody reacts with CD23, the low affinity IgE Fc receptor (FcεRII) expressed on mature resting conventional B lymphocytes, but not on B-1 cells (CD5+ B cells) or T lymphocytes. It does not react with high-affinity IgE receptors, as demonstrated on mouse mast cell lines. The regulation of CD23 surface expression on activated B cells appears to be complex, depending upon the mode of activation and the presence of cytokines. IgE synthesis is negatively regulated by CD23, and CD23 expression is upregulated on splenocytes in the presence of IgE. CD23 is also upregulated on follicular dendritic cells in the lymph nodes of immunized mice, and a subset of splenic dendritic cells expresses CD23. The B3B4 antibody abrogates antigen-specific IgE-dependent modulation of immune responses in normal mice. This monoclonal antibody also blocks IgE binding and eosinophil infiltration in the lung of immunized mice. Different in vivo results have been obtained when using the intact B3B4 antibody or the F(ab')2 fragments. B3B4 mAb does not cross-react with rat or human IgE Fc Receptor.
Spécification
| CD23 | |
| Monoclonal | |
| 0.5mg/mL | |
| FcεRII; Fc-epsilon-RII; Fcer2a; Ly-42; Low-affinity IgE receptor; Fcer2 | |
| Rat | |
| Affinity Purified | |
| RUO | |
| Mouse | |
| IgG2a κ |
| Flow Cytometry | |
| B3B4 | |
| FITC | |
| Aqueous buffered solution containing ≤0.09% sodium azide. | |
| FcepsilonR isolated from the mouse B hybridoma line O1.2B2 | |
| 0.1 mg | |
| Primary | |
| Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. |
For Research Use Only.