Detects mouse BAFF R/TNFRSF13C in direct ELISAs. In direct ELISAs, 100% cross-reactivity with recombinant human (rh) BAFF R is observed, approximately 10‑25% cross-reactivity with recombinant mouse (rm) 4‑1BB, rmDR3, rhDR6, rmEDAR, rhHVEM, rmNGF R, rmOX40, and rmTROY is observed, and no cross-reactivity with rmCD27, rmCD30, rmCD40, rmFAS, rmGITR, rmLymphotoxin beta R, rmOPG, rmRANK, rmTNFRI, or rmTNF RII is observed.
Monoclonal Rat IgG2A Clone # 204406
Protein A or G purified from hybridoma culture supernatant
Detection of BAFF R/TNFRSF13C in Mouse Splenocytes by Flow Cytometry.
Mouse splenocytes were stained with Rat Anti-Mouse B220/CD45R APC‑conjugated Monoclonal Antibody (Catalog # FAB1217A) and either (A) Rat Anti-Mouse BAFF R/TNFRSF13C Monoclonal Antibody (Catalog # MAB1755) or (B) Rat IgG2A Isotype Control (Catalog # MAB006) followed by Fluorescein-conjugated Anti-Rat IgG Secondary Antibody (Catalog # F0104B).
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: BAFF R/TNFRSF13C
B-cell activating factor (BAFF), also known as BlyS, TALL-1, TNAK, and zTNF4, is a TNF ligand superfamily member and has been designated TNFSF13B. It is produced by macrophages, dendritic cells, and T lymphocytes. BAFF promotes the survival of B cells and is essential for B cell maturation (1‑4). BAFF binds to three TNF receptor superfamily members: B‑cell maturation antigen (BCMA/TNFRSF17), transmembrane activator and calcium-modulator and cyclophilin ligand interactor (TACI/TNFRSF13B) and BAFF receptor (BAFF R/BR3/TNFRSF 13C). These receptors are type III transmembrane proteins that lack a signal peptide. Whereas TACI and BCMA bind BAFF and another TNF superfamily ligand, APRIL(a proliferation-inducing ligand), BAFF-R selectively binds BAFF. Mouse BAFF-R cDNA encodes a 175 amino acid residue (aa) transmembrane protein with a 71 aa extracellular domain, a 21 aa transmembrane domain, and a 83 aa cytoplasmic region. A second isoform of BAFF R that has a 72 aa cytoplamic region can also be produced by alternative splicing. The BAFF R extracellular domain lacks the TNF receptor canonical cysteine-rich domain (CRD) and contains only a partial CRD with four cysteine residues. Human and mouse BAFF R share 56% aa sequence identity. BAFF R is highly expressed in spleen, lymph node and resting B cells. It is also expressed at lower levels in activated B cells, in resting CD4+ T cells, in thymus and peripheral blood leukocytes. BAFF knockout mice lack mature B cells and has profound defects in antibody mediated immune responses. Similarly, A/WySnJ mice that are defective in BAFF R intracellular signaling also lack mature B cells, suggesting that BAFF R is the critical receptor for BAFF during B lymphopoiesis. In contrast, BCMA- or TACI-deficient mice have no major defect in B‑cell development. While the function of BCMA is not defined, TACI has been shown to control B-cell homeostasis and T-cell-independent immune responses.
Rolink, A.G. and F. Melcher (2002) Curr. Opin. Immunol. 14:266.
Mackay, F. and J.L. Browning (2002) Nature Reviews Immunology 2:464.
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