Mouse ST2/IL-33R Antibody [Biotin]

R&D Systems | Catalog # BAF1004

R&D Systems

Key Product Details

Species Reactivity

Validated:

Mouse

Cited:

Human

Applications

Validated:

Western Blot, ELISA Detection (Matched Antibody Pair)

Cited:

Western Blot

Label

Biotin

Antibody Source

Polyclonal Goat IgG
View all ST2/IL-33R Primary Antibodies »

Product Specifications

Immunogen

S. frugiperda insect ovarian cell line Sf 21-derived recombinant mouse ST2/IL-33 R
Ser27-Ser342
Accession # P14719

Specificity

Detects mouse ST2/IL-33 R in ELISAs and Western blots. In sandwich immunoassays, less than 0.2% cross-reactivity with recombinant human (rh) IL-1 R4, recombinant mouse (rm) IL-1 R1, rmIL-2 R2, rhIL-1 R4, rmIL-1 R6, rmIL-1 R8, and rhIL-1 R9 is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Mouse ST2/IL-33R Antibody [Biotin]

Mouse ST2 / IL-33 R ELISA Standard Curve

Mouse ST2 / IL-33 R ELISA Standard Curve

Recombinant Mouse ST2/IL-33R Fc Chimera (Catalog # 1004-MR) was serially diluted and captured by Rat Anti-Mouse ST2/IL-33R Monoclonal Antibody (Catalog # MAB10041) coated on a Clear Polystyrene Microplate (Catalog # DY990). Goat Anti-Mouse ST2/IL-33R Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1004) was biotinylated and incubated with the protein captured on the plate. Detection of the standard curve was achieved by incubating Streptavidin-HRP (Catalog # DY998)

Applications for Mouse ST2/IL-33R Antibody [Biotin]

Application
Recommended Usage

Western Blot

0.1 µg/mL
Sample: Recombinant Mouse ST2/IL-33 R Fc Chimera (Catalog # 1004-MR)

Mouse ST2/IL-33 R Sandwich Immunoassay

ELISA Detection (Matched Antibody Pair)
Recommended Concentration: 0.1-0.4 µg/mL
Use in combination with these reagents:
  • Capture Reagent: Mouse ST2/IL-33R Antibody (Catalog # MAB10041)
  • Standard: Recombinant Mouse ST2/IL-33R Fc Chimera Protein, CF (Catalog # 1004-MR)
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: ST2/IL-33R

ST2, also known as IL-33R, IL-1 R4 and T1, is an Interleukin-1 receptor family glycoprotein that contributes to Th2 immune responses (1, 2). Mouse ST2 consists of a 306 amino acid (aa) extracellular domain (ECD) with three Ig-like domains, a 23 aa transmembrane segment, and a 212 aa cytoplasmic domain with an intracellular TIR domain (3). Alternate splicing of the 120 kDa mouse ST2 generates a soluble 60 kDa isoform that lacks the transmembrane and cytoplasmic regions (3). Within the ECD, mouse ST2 shares 68% and 81% aa sequence identity with human and rat ST2, respectively. ST2 is expressed on the surface of mast cells, activated Th2 cells, macrophages, and cardiac myocytes (4‑7). It binds IL-33, a cytokine that is up‑regulated by inflammation or mechanical strain in smooth muscle cells, airway epithelia, keratinocytes, and cardiac fibroblasts (4, 8). IL-33 binding induces the association of ST2 with IL-1R AcP, a shared signaling subunit that also associates with IL-1 RI and IL-1 R rp2 (1, 9, 10). In macrophages, ST2 interferes with signaling from IL-1 RI and TLR4 by sequestering the adaptor proteins MyD88 and Mal (6). In addition to its role in promoting mast cell and Th2 dependent inflammation, ST2 activation enhances antigen induced hypernociception and protects from atherosclerosis and cardiac hypertrophy (4, 11‑13). The soluble ST2 isoform is released by activated Th2 cells and strained cardiac myocytes and is elevated in the serum in allergic asthma (5, 7, 14). Soluble ST2 functions as a decoy receptor that blocks IL-33's ability to signal through transmembrane ST2 (9, 12‑14).

References

  1. Barksby, H.E. et al. (2007) Clin. Exp. Immunol. 149:217.
  2. Gadina, M. and C.A. Jefferies (2007) Science STKE 2007:pe31.
  3. Yanagisawa, K. et al. (1993) FEBS Lett. 318:83.
  4. Schmitz, J. et al. (2005) Immunity 23:479.
  5. Lecart, S. et al. (2002) Eur. J. Immunol. 32:2979.
  6. Brint, E.K. et al. (2004) Nat. Immunol. 5:373.
  7. Weinberg, E.O. et al. (2002) Circulation 106:2961.
  8. Sanada S. et al. (2007) J. Clin. Invest. 117:1538
  9. Palmer, G. et al. (2008) Cytokine 42:358.
  10. Chackerian, A.A. et al. (2007) J. Immunol. 179:2551.
  11. Allakhverdi, Z. et al. (2007) J. Immunol. 179:2051.
  12. Verri Jr., W.A. et al. (2008) Proc. Natl. Acad. Sci. 105:2723.
  13. Miller, A.M. et al. (2008) J. Exp. Med. 205:339.
  14. Hayakawa, H. et al. (2007) J. Biol. Chem. 282:26369.

Long Name

Interleukin 33 Receptor

Alternate Names

DER4, Fit-1, IL-1 R4, IL-1R4, IL-1RL1, IL-33 R, IL-33R, IL1R4, IL33R, Ly84, ST2L, ST2V, T1

Entrez Gene IDs

9173 (Human); 17082 (Mouse)

Gene Symbol

IL1RL1

UniProt

P14719

Additional ST2/IL-33R Products

Product Documents for Mouse ST2/IL-33R Antibody [Biotin]

Certificate of Analysis

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Product Specific Notices for Mouse ST2/IL-33R Antibody [Biotin]

For research use only

Related Research Areas

Group 2 ILCs
IL-1 Family

Citations for Mouse ST2/IL-33R Antibody [Biotin]

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