4-1BB Ligand/TNFSF9 Antibody (282220) [Alexa Fluor® 647] Summary
E. coli-derived recombinant human 4‑1BB Ligand/TNFSF9
Accession # P41273.1
Detects human 4‑1BB Ligand/TNFSF9 Ligand in direct ELISAs and Western blots. In Western blots, no cross-reactivity with recombinant mouse (rm) 4-1BB Ligand, recobinant human (rh) APRIL, rhBAFF, rmEDA-A2, rhFas Ligand, rhGITR Ligand, rhLIGHT, rhLymphotoxin alpha 1/ beta 2, rhLymphotoxin alpha 2/ beta 1, rhOX40 Ligand, rhTNF-alpha, rhTRAIL, rhTRANCE, or rhTWEAK is observed.
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- Flow Cytometry 0.25-1 ug/10^6 cells
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.
Packaging, Storage & Formulations
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
0.09% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for 4-1BB Ligand/TNFSF9 Antibody (282220) [Alexa Fluor® 647]
- 41BB Ligand
- 4-1BB Ligand
- homolog of mouse 4-1BB-L
- receptor 4-1BB ligand
- tumor necrosis factor (ligand) superfamily, member 9
- tumor necrosis factor ligand superfamily member 9
4-1BB Ligand (4-1BBL; also CD137L) is a 32 kDa type II transmembrane protein that belongs to the TNF superfamily (TNFSF) molecules (1‑4). The human 4-1BBL cDNA encodes a 254 amino acid (aa) protein that contains a 25 aa N-terminal cytoplasmic domain, a 23 aa transmembrane segment, and a 206 aa C-terminal extracellular region (5). The extracellular domain (ECD) of 4-1BBL has a jelly-roll, beta -sandwich tertiary structure that is similar to other TNFSF members. There is only one cysteine in the human ECD, and no potential N-linked glycosylation sites. The potential exists, however, for O-linked glycosylation. The human 4-1BBL ECD shares 32% and 35% aa identity with mouse and rat ECD, respectively. In the cytoplasmic domain, human 4-1BBL is 55 aa shorter than the equivalent region in rodents. 4-1BBL is expressed by activated B cells, macrophages, dendritic cells, activated T cells, neurons and astrocytes (2, 3, 6). A bioactive 26 kDa soluble form of 4-1BBL, presumably generated by MMP cleavage, occurs in humans (4). Human 4-1BBL signals through both CD137/4-1BB and itself. Its cytoplasmic tail participates in reverse signaling that induces apoptosis in T cells and cytokine secretion (IL-6; TNF-alpha ) by monocytes (7, 8). 4-1BBL binding to CD137/4-1BB produces a number of effects. It seems to play a key role in the T cell recall response. It maintains T cell numbers at the end of a primary response, and induces CD4+ and CD8+ T cells to proliferate and secrete cytokines such as IL-2 and IFN-gamma in CD4+ cells, and IFN-gamma in CD8+ cells (9, 10).
- Kwon, B. et al. (2003) Exp. Mol. Med. 35:8.
- Salih, H.R. et al. (2002) Int. J. Clin. Pharmacol. Ther. 40:348.
- Vinay, D.S. and B.S. Kwon (1998) Semin. Immunol. 1:481.
- Salih, H.R. et al. (2001) J. Immunol. 167:4059.
- Alderson, M.R. et al. (1994) Eur. J. Immunol. 24:2219.
- Reali, C. et al. (2003) J. Neurosci. Res. 74:67.
- Michel, J. et al. (1999) Immunology 98:42.
- Langstein, J. et al. (1998) J. Immunol. 160:2488.
- Wen, T. et al. (2002) J. Immunol. 168:4897.
- Dawicki, W. and T.H. Watts (2004) Eur. J. Immunol. 34:743.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed
for 1 year from date of receipt.
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