Human TNF RI/TNFRSF1A Biotinylated Antibody

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Product Details
Citations (8)
Supplemental Products
Reviews (1)

Human TNF RI/TNFRSF1A Biotinylated Antibody Summary

Species Reactivity
Detects human TNF RI in ELISAs and Western blots. In sandwich immunoassays, less than 0.02% cross-reactivity with recombinant human (rh) TNF‑ alpha, recombinant mouse (rm) TNF‑ alpha, recombinant porcine TNF‑ alpha, recombinant rat TNF‑ alpha, rhTNF‑ beta, rmsTNF RI, rhsTNF RII, and rmsTNF RII is observed.
Polyclonal Goat IgG
Antigen Affinity-purified
E. coli-derived recombinant human sTNF RI
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human TNF RI/TNFRSF1A (Catalog # 636-R1)

Human TNF RI/TNFRSF1A Sandwich Immunoassay

Recommended Concentration
ELISA Detection (Matched Antibody Pair)
0.1-0.4 µg/mL 

Use in combination with:

Capture Reagent: Human TNF RI/TNFRSF1A Antibody (Catalog # MAB625)

Standard: Recombinant Human sTNF RI/TNFRSF1A Protein (Catalog # 636-R1)

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.

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
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: TNF RI/TNFRSF1A

TNF receptor 1 (TNF RI; also called TNF R-p55/p60 and TNFRSF1A) is a type I transmembrane protein member of the TNF receptor superfamily member, designated TNFRSF1A (1, 2). Both TNF RI and TNF RII (TNFRSF1B) are widely expressed and contain four TNF-  alpha trimer-binding cysteine-rich domains (CRD) in their extracellular domains (ECD). However, TNF RI is thought to mediate most of the cellular effects of TNF-alpha (3). It is essential for proper development of lymph node germinal centers and Peyer’s patches, and for combating intracellular pathogens such as Listeria (1 - 3). TNF RI is also a receptor for TNF-beta /TNFSF1B (lymphotoxin-alpha ) (4). TNF RI is present on the cell surface as a trimer of 55 kDa subunits (4, 5). TNF-alpha induces sequestering of TNF RI in lipid rafts, where it activates NF kappa B and is cleaved by ADAM-17/TACE (9, 10). Release of the 28 - 34 kDa TNF RI ECD also occurs constitutively and in response to products of pathogens such as LPS, CpG DNA or S. aureus protein A (1, 6 - 8). Full-length TNF RI may also be released in exosome-like vesicles (11). Release helps to resolve inflammatory reactions, since it down-regulates cell surface TNF RI and provides soluble TNF RI to bind TNF-alpha (6, 12, 13). Exclusion from lipid rafts causes endocytosis of TNF RI complexes and induces apoptosis (1). Human TNF RI is a 455 amino acid (aa) protein that contains a 21 aa signal sequence, a 190 aa ECD with a PLAD domain(5) that mediates constitutive trimer formation, followed by the four CRD, a 23 aa transmembrane domain, and a 221 aa cytoplasmic sequence that contains a neutral sphingomyelinase activation domain and a death domain (15). The ECD of human TNF RI shows 80%, 80%, 73%, 69% and 70% aa identity with dog, cat, pig, rat and mouse TNF RI, respectively; it shows 23% aa identity with the ECD of TNF RII.

  1. Pfeffer, K. (2003) Cytokine Growth Factor Rev. 14:185.
  2. Hehlgans, T. and K. Pfeffer (2005) Immunology 115:1.
  3. Peschon, J.J. et al. (1998) J. Immunol. 160:943.
  4. Banner, D.W et al. (1993) Cell 73: 431.
  5. Chan, F.K. et al. (2000) Science 288:2351.
  6. Xanthoulea, S. et al. (2004) J. Exp. Med. 200:367.
  7. Jin, L. et al. (2000) J. Immunol. 165:5153.
  8. Gomez, M.I. et al. (2006) J. Biol. Chem. 281:20190.
  9. Legler, D.F. et al. (2003) Immunity 18:655.
  10. Tellier, E. et al. (2006) Exp. Cell Res. 312:3969.
  11. Islam, A. et al. (2006) J. Biol. Chem. 281:6860.
  12. Garton, K.J. et al. (2006) J. Leukoc. Biol. 79:1105.
  13. McDermott, M.F. et al. (1999) Cell 97:133.
  14. Schneider-Brachert, W. et al. (2004) Immunity 21:415.
  15. Schall, T.J. et al. (1990) Cell 61:361.
Long Name
Tumor Necrosis Factor Receptor I
Entrez Gene IDs
7132 (Human); 21937 (Mouse); 25625 (Rat); 102135285 (Cynomolgus Monkey)
Alternate Names
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

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Citations for Human TNF RI/TNFRSF1A Biotinylated Antibody

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.

8 Citations: Showing 1 - 8
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  1. Inflammation-Driven Regulation of PD-L1 and PD-L2, and Their Cross-Interactions with Protective Soluble TNFalpha Receptors in Human Triple-Negative Breast Cancer
    Authors: T Baram, N Oren, N Erlichman, T Meshel, A Ben-Baruch
    Cancers, 2022;14(14):.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Capture
  2. Aminopeptidase P3, a new member of the TNF-TNFR2 signaling complex, induces phosphorylation of JNK1 and JNK2.
    Authors: Inoue M, Kamada H, Abe Y, Higashisaka K, Nagano K, Mukai Y, Yoshioka Y, Tsutsumi Y, Tsunoda S
    J Cell Sci, 2015;128(4):656-69.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  3. Noninvasive detection of acute and chronic injuries in human renal transplant by elevation of multiple cytokines/chemokines in urine.
    Authors: Hu H, Kwun J, Aizenstein BD, Knechtle SJ
    Transplantation, 2009;87(12):1814-20.
    Species: Human
    Sample Types: Urine
    Applications: Antibody Array Development
  4. Clinical outcome following acute ischaemic stroke relates to both activation and autoregulatory inhibition of cytokine production.
    Authors: Emsley HC, Smith CJ, Gavin CM
    BMC Neurol, 2007;7(0):5.
    Species: Human
    Sample Types: Plasma
    Applications: ELISA Development
  5. Direct comparison of traditional ELISAs and membrane protein arrays for detection and quantification of human cytokines.
    Authors: Copeland S, Siddiqui J, Remick D
    J. Immunol. Methods, 2004;284(1):99-106.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: Array Development
  6. trans fatty acids and systemic inflammation in heart failure.
    Authors: Mozaffarian D, Rimm EB, King IB, Lawler RL, McDonald GB, Levy WC
    Am. J. Clin. Nutr., 2004;80(6):1521-5.
    Species: Human
    Sample Types: Plasma
    Applications: ELISA Development
  7. A pilot study of pentoxifylline for the treatment of primary sclerosing cholangitis.
    Authors: Bharucha AE, 2019, Jorgensen R, Lichtman SN, LaRusso NF, Lindor KD
    , 2000;95(9):2338-42.
    Species: Human
    Sample Types: Serum
    Applications: ELISA Development
  8. Innate immunity associated with inflammatory responses and cytokine production against common dietary proteins in patients with autism spectrum disorder.
    Authors: Jyonouchi H, Sun S, Itokazu N
    Neuropsychobiology, 0;46(2):76-84.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development


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Human TNF RI/TNFRSF1A Biotinylated Antibody
By Anonymous on 11/22/2017
Application: ELISA Sample Tested: Cell culture supernatant,Serum and Plasma Species: Human

We used MAB625 as the solid phase antibody, 636-R1 as the immunoassay standard and BAF225 as the detection antibody in a sandwich ELISA. Everything worked very well.