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CD35 Rat anti-Mouse, Brilliant Violet 786, Clone: 8C12, BD Optibuild™
Rat Monoclonal Antibody
Supplier: BD Biosciences 740893
Description
The 8C12 antibody recognizes an epitope present on the 190-kDa complement receptor protein, originally designated CR1 (CD35), but not the 145-150-kDa CR2 (CD21) molecule. Unlike the human system, in which these proteins are products of independent genes, both of these mouse receptors are membrane proteins resulting from the alternative splicing of mRNA transcribed from the Cr2 gene. Therefore, an alternative nomenclature has been proposed, designating the proteins Cr2-190 (CD21b) and Cr2-145 (CD21a), respectively. The epitope recognized by 8C12 mAb is only present on CD35/CD21b. Moreover, it has also been proposed that Crry is the true mouse genetic homologue of human CR1 (CD35). In the mouse, CD35 is expressed on the majority of peripheral B cells, on the majority of resident peritoneal macrophages, on peripheral blood granulocytes after treatment with N -formyl-Met-Leu-Phe, and on follicular dendritic cells, but not on thymocytes, T cells, erythrocytes, or platelets. In addition, it has not been detected, at the protein or mRNA level, in the macrophage cell line J774, bone marrow-derived macrophages, or thioglycollate-elicited peritoneal macrophages. The 8C12 mAb has been reported to inhibit rosette formation by C3bbearing sheep erythrocytes, to block the complement-dependent trapping of immune complexes by follicular dendritic cells, and to down-regulate mouse CD35 expression upon in vivo application, inhibiting only some primary antibody responses to immunization. B lymphocytes of Cr2 [
*Please note that the isotype of 8C12 mAb was originally reported to be Rat IgG2c. Further investigations have demonstrated that the isotype of 8C12 mAb is Rat IgG2a.
Specifications
CD35 | |
Monoclonal | |
0.2mg/mL | |
CR1, CD21b | |
Rat | |
Affinity Purified | |
RUO | |
Mouse | |
IgG2a κ |
Flow Cytometry | |
8C12 | |
Brilliant Violet 786 | |
Aqueous buffered solution containing ≤0.09% sodium azide. | |
Purified mouse CR1 | |
50 μg | |
Primary | |
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. |
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