E. coli-derived recombinant mouse TNF RI/TNFRSF1A Ile22-Ala212 Accession # P25118
Specificity
Detects mouse TNF RI/TNFRSF1A in ELISAs and Western blots. In sandwich immunoassays, less than 0.05% cross‑reactivity with recombinant human (rh) TNF-alpha , recombinant rat TNF-alpha , recombinant porcine TNF-alpha , rhTNF-beta , recombinant mouse TNF sRII, rhTNF sRII, and rhTNF sRI is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
TNFRSF1A
Purity Statement
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for TNF RI/TNFRSF1A Antibody [Biotin]
CD120a antigen
CD120a
FPF
p55
p55-R
p60
TNF RI
TNFARMGC19588
TNF-R
TNF-R1
TNFR1TBP1
TNFR55
TNF-R55
TNFR60
TNFRI
TNF-RI
TNF-R-I
TNFR-I
TNFRSF1A
tumor necrosis factor binding protein 1
Tumor necrosis factor receptor 1
tumor necrosis factor receptor 1A isoform beta
tumor necrosis factor receptor superfamily member 1A
tumor necrosis factor receptor superfamily, member 1A
tumor necrosis factor receptor type 1
Tumor necrosis factor receptor type I
tumor necrosis factor-alpha receptor
Background
TNF receptor 1 (TNF RI; also called TNF R-p55/p60, TNFRSF1A and CD120a) is a type I transmembrane protein that belongs to the TNF receptor superfamily (1, 2). TNF RI is widely expressed and is present on the cell surface as a trimer of 55 kDa subunits. It serves as a receptor for both TNF‑ alpha and TNF‑ beta /lymphotoxin. Each subunit contains four TNF‑ alpha trimer-binding cysteine-rich domains (CRD) in its extracellular domain (ECD) (1‑6). TNF-alpha binding to TNF R1 induces the sequestration of TNFRI in lipid rafts, where it activates NF kappa B and is cleaved by ADAM-17/TACE (7, 8). Release of the 28‑34 kDa TNF RI ECD occurs constitutively, and in response to products of pathogens such as LPS, CpG DNA or S. aureus protein A (1, 7‑12). Full-length TNF RI may also be released in exosome-like vesicles (12). Such release helps to resolve inflammatory reactions as it down-regulates cell surface TNF RI and provides soluble TNF RI to bind TNF-alpha (6, 13, 14). Exclusion from lipid rafts causes endocytosis of TNF RI complexes and induces apoptosis (7, 15). Although there is a second receptor for TNF-alpha (TNF R2), TNF RI is thought to mediate most of the cellular effects of TNF-alpha (3). TNF R1 is essential for proper development of lymph node germinal centers and Peyer’s patches, and for combating intracellular pathogens such as Listeria monocytogenes (1‑3). Mouse TNF RI is a 454 amino acid (aa) protein that contains a 21 aa signal sequence and a 191 aa ECD with a PLAD domain (6). This mediates constitutive trimer formation. The PLAD domain is followed by four CRDs, a 23 aa transmembrane domain, and a 219 aa cytoplasmic sequence that contains a neutral sphingomyelinase activation domain and a death domain (16). The ECD of mouse TNF RI shows 67%, 70%, 64%, 70% and 88% aa identity with canine, feline, procine, human and rat TNF RI, respectively; and it shows 23% aa identity with the ECD of TNF RII.
Pfeffer, K. (2003) Cytokine Growth Factor Rev. 14:185.
Hehlgans, T. and K. Pfeffer (2005) Immunology 115:1.
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Gomez, M.I. et al. (2006) J. Biol. Chem. 281:20190.
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Limitations
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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