Human BAFF/BLyS/TNFSF13B Biotinylated Antibody

(2 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human BAFF/BLyS in Western blots. In this format, less than 1% cross-reactivity with recombinant human APRIL is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human BAFF/BLyS (R&D Systems, Catalog # 2149-BF)
    Ala134-Leu285
    Accession # Q9Y275
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
  • Label
    Biotin
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.1 µg/mL
    Recombinant Human BAFF/BLyS/TNFSF13B (Catalog # 2149-BF)
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
  • 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/BLyS/TNFSF13B

BAFF (also known as TALL-1, BLyS, and THANK) is a type II transmembrane glycoprotein belonging to the TNF superfamily and has been designated as TNF superfamily member 13B (TNFSF13B). Human BAFF is a 285 amino acid (aa) protein consisting of a 218 aa extracellular domain, a 21 aa transmembrane region and a 46 aa cytoplasmic tail (1, 2). BAFF has the typical structural characteristics of the TNF superfamily ligands. It is a homotrimeric protein having the structurally conserved motif known as TNF homology domain (3, 4). A higher ordered structure composed of a cluster of trimeric units resembling the structure of a viral capsid has also been reported (4). Human BAFF may be shed from the cell surface by proteolytic cleavage between R133 and Ala134 to yield a soluble form of the protein that is detectable in serum (1, 5). Within the TNF superfamily BAFF shares the highest homology (48%) with APRIL (1). BAFF shares with APRIL the ability to bind to BCMA and TACI and also binds specifically to BAFF receptor (BAFF R, also known as BR3 or TNFSFR13C), which is the principal BAFF receptor (6 - 8). All three receptors are type III transmembrane proteins that are expressd in B cells. BAFF and APRIL can form active heteromers that bind to TACI (9). BAFF is expressed in peripheral blood mononuclear cells, in spleen and lymph nodes. Its expression in resting monocytes is up-regulated by IFN-alpha, IFN-beta, LPS and IL-10. BAFF provides critical survival signals to a subset of B cells with intermediate maturation status (T2 B cells) during the immune response (10). BAFF also plays an important role in the development of lymphoid tissue and enhances the survival of activated memory B cells (7, 11). Human and mouse BAFF share 86% aa sequence identity (1).

  • References:
    1. Schneider, P. et al. (1999) J. Exp. Med. 189:1747.
    2. Mukhopadhyay, A. et al. (1999) J. Biol. Chem. 274:15978.
    3. Karpusas, M. et al. (2002) J. Mol. Biol. 315:1145.
    4. Liu, Y. et al. (2002) Cell 108:383.
    5. Cheema, G.S. et al. (2001) Arthr. Rheum. 44:1313.
    6. Marsters, S.A. et al. (2000) Curr. Biol. 10:785.
    7. Thompson, J.S. et al. (2001) Science 293:2108.
    8. Ng, L.G. et al. (2004) J. Immunol. 173:807.
    9. Roschke, V. et al. (2002) J. Immunol. 169:4314.
    10. Batten, M. et al. (2000) J. Exp. Med. 192:1453.
    11. Avery, D.T. et al. (2003) J. Clin. Invest. 112:286.
  • Long Name:
    B cell Activating Factor
  • Entrez Gene IDs:
    10673 (Human); 24099 (Mouse); 498666 (Rat)
  • Alternate Names:
    ApoL related ligand TALL-1; B lymphocyte stimulator; BAFF; BAFFB-cell activating factor; B-cell-activating factor; BLyS; BLYSB-lymphocyte stimulator; CD257 antigen; CD257; Dendritic cell-derived TNF-like molecule; DTL; TALL1; TALL-1delta BAFF; TALL1Delta4 BAFF; THANK; TNF- and APOL-related leukocyte expressed ligand 1; TNF and ApoL-related leukocyte expressed ligand 1; TNF homolog that activates apoptosis; TNFSF13B; TNFSF20; tumor necrosis factor (ligand) superfamily, member 13b; tumor necrosis factor (ligand) superfamily, member 20; tumor necrosis factor ligand superfamily member 13B; tumor necrosis factor superfamily, member 13b; tumor necrosis factor-like protein ZTNF4; ZTNF4
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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Species
Applications
Sample Type
  1. Atacicept in patients with rheumatoid arthritis: results of a multicenter, phase Ib, double-blind, placebo-controlled, dose-escalating, single- and repeated-dose study.
    Authors: Tak PP, Thurlings RM, Rossier C, Nestorov I, Dimic A, Mircetic V, Rischmueller M, Nasonov E, Shmidt E, Emery P, Munafo A
    Arthritis Rheum., 2008;58(1):61-72.
    Species: Human
    Sample Type: Serum
    Application: ELISA Development
  2. Enhanced apoptotic cell clearance capacity and B cell survival factor production by IL-10-activated macrophages: implications for Burkitt's lymphoma.
    Authors: Pound JD, Batth BK, Johannessen I, Wood K
    J. Immunol., 2005;174(5):3015-23.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: ELISA Development
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