Mouse ST2/IL-33R APC-conjugated Antibody

R&D Systems, part of Bio-Techne | Catalog # FAB10041A

R&D Systems, part of Bio-Techne
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FAB10041A-025UG
FAB10041A-100UG
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Key Product Details

Species Reactivity

Validated:

Mouse

Cited:

Human, Mouse

Applications

Validated:

Flow Cytometry

Cited:

Flow Cytomery, Flow Cytometry, Immunocytochemistry

Label

Allophycocyanin (Excitation = 620-650 nm, Emission = 660-670 nm)

Antibody Source

Monoclonal Rat IgG2B Clone # 245707

View all ST2/IL-33R Antibodies »

Product Specifications

Immunogen

S. frugiperda insect ovarian cell line Sf 21-derived recombinant mouse ST2/IL-33 R
Ser27-Arg332
Accession # P14719

Specificity

Detects mouse ST2/IL-33 R in ELISAs.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2B

Scientific Data Images for Mouse ST2/IL-33R APC-conjugated Antibody

Detection of ST2/IL-33 R antibody in P815 Mouse Cell Line antibody by Flow Cytometry.

Detection of ST2/IL-33 R in P815 Mouse Cell Line by Flow Cytometry.

P815 mouse mastocytoma cell line was stained with Rat Anti-Mouse ST2/IL-33 R APC-conjugated Monoclonal Antibody (Catalog # FAB10041A, filled histogram) or isotype control antibody (IC013A, open histogram). View our protocol for Staining Membrane-associated Proteins.

Detection of ST2/IL-33 R in Raw264.7 Mouse Cell Line by Flow Cytometry.

Raw264.7 mouse monocyte/macrophage cell line was stained with Rat Anti-Mouse ST2/IL-33 R APC-conjugated Monoclonal Antibody (Catalog # FAB10041A, filled histogram) or isotype control antibody (IC013A, open histogram). Staining was performed using our Staining Membrane-associated Proteins protocol.

Applications for Mouse ST2/IL-33R APC-conjugated Antibody

Application
Recommended Usage

Flow Cytometry

0.25-1 µg/106 cells
Sample: P815 mouse mastocytoma cell line and Raw264.7 mouse monocyte/macrophage cell line
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

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 APC-conjugated Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Mouse ST2/IL-33R APC-conjugated Antibody

For research use only

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