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Testing Data (Cell Proliferation Induced by IL4 was Neutralized by Human IL4R Antibody. Recombinant Human IL4 stimulates proliferation in the TF-1 human erythroleukemia cell line. Proliferation elicited by Recombinant Human IL4 (0.2 ng/mL) is neutralized by increasing concentrations of Human IL4R Monoclonal Antibody. The IC50 is typically 1-4 ng/mL.)

Rabbit anti-Human IL-4R/CD124 Monoclonal Antibody | anti-IL4R antibody

IL-4R/CD124 Neutralizing Antibody

Gene Names
IL4R; CD124; IL4RA; IL-4RA
Reactivity
Human
Applications
Neutralization Assay
Purity
Protein A
Synonyms
IL-4R/CD124; Monoclonal Antibody; IL-4R/CD124 Neutralizing Antibody; interleukin 4 receptor; Anti-CD124 Antibody; Anti-IL-4RA Antibody; Anti-IL4R Antibody; Anti-IL4RA Antibody; anti-IL4R antibody
Ordering
For Research Use Only!
Host
Rabbit
Reactivity
Human
Clonality
Monoclonal
Isotype
Rabbit IgG
Clone Number
R401
Specificity
Human IL-4R/CD124.
No cross-reactivity in ELISA with Mouse IL4R, Rat IL4R
Purity/Purification
Protein A
Form/Format
Liquid; 0.2um filtered solution in Histidine and Arginine buffer containing 120mM NaCl, 0.02% Tween 80, pH6.0
Applicable Applications for anti-IL4R antibody
Blocking (BL), Neutralization
Application Notes
Block: In a functional ELISA, 1.2ug/mL of the Rabbit Anti-Human IL4R Monoclonal antibody will block 50% of the binding of 2ug/mL of Human IL4 to immobilized Recombinant Human IL4R ) coated at 0.5ug/mL (100uL/well). At 5ug/mL, this antibody will block >90% of the binding.
Neutralization: The neutralization activity of IL4R Neutralizing Antibody is Measured by its ability to neutralize IL4 induced proliferation in the human erythroleukemia cell line (TF-1). The Neutralization titer (IC50) is typically 1-4ng/mL in the presence of 0.2ng/mL Recombinant Human IL4.
Immunogen
Recombinant Human IL-4R/CD124 Protein
Endotoxin
<3EU/mg
Conjugation
Unconjugated
Preparation
This antibody was obtained from a rabbit immunized with purified, recombinant Human IL-4R/CD124 (rh IL-4R/CD124) and was produced using recombinant antibody technology.
Preparation and Storage
This antibody can be stored at 2-8 degree C for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20 degree C to -80 degree C. Preservative-Free. Avoid repeated freeze-thaw cycles.

Testing Data

(Cell Proliferation Induced by IL4 was Neutralized by Human IL4R Antibody. Recombinant Human IL4 stimulates proliferation in the TF-1 human erythroleukemia cell line. Proliferation elicited by Recombinant Human IL4 (0.2 ng/mL) is neutralized by increasing concentrations of Human IL4R Monoclonal Antibody. The IC50 is typically 1-4 ng/mL.)

Testing Data (Cell Proliferation Induced by IL4 was Neutralized by Human IL4R Antibody. Recombinant Human IL4 stimulates proliferation in the TF-1 human erythroleukemia cell line. Proliferation elicited by Recombinant Human IL4 (0.2 ng/mL) is neutralized by increasing concentrations of Human IL4R Monoclonal Antibody. The IC50 is typically 1-4 ng/mL.)
Related Product Information for anti-IL4R antibody
The cluster of differentiation (CD) system is commonly used as cell markers in Immunophenotyping. Different kinds of cells in the immune system can be identified through the surface CD molecules associating with the immune function of the cell. There are more than 320 CD unique clusters and subclusters have been identified. Some of the CD molecules serve as receptors or ligands important to the cell through initiating a signal cascade which then alters the behavior of the cell. Some CD proteins do not take part in the cell signal process but have other functions such as cell adhesion. CD124, also known as the interleukin 4 receptor (IL4R), is a typeI  transmembrane protein that can regulate IgE antibody production in B cells through binding to interleukin 4 and interleukin 13 and promote differentiation of Th2 cells through binding to interleukin 4. The membrane-bound form of CD124 can be hydrolyzed to a soluble form which can inhibit IL4-mediated cell proliferation and IL5 upregulation by T-cells.
Product Categories/Family for anti-IL4R antibody
References
Zola H, et al. (2007) CD molecules 2006-human cell differentiation molecules. J Immunol Methods. 318 (1-2): 1-5.Ho IC, et al. (2009) GATA3 and the T-cell lineage: essential functions before and after T-helper-2-cell differentiation. Nat Rev Immunol. 9 (2): 125-35.Matesanz-Isabel J, et al. (2011) New B-cell CD molecules. Immunology Letters.134 (2): 104-12.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
Molecular Weight
89,658 Da
NCBI Official Full Name
interleukin-4 receptor subunit alpha isoform a
NCBI Official Synonym Full Names
interleukin 4 receptor
NCBI Official Symbol
IL4R
NCBI Official Synonym Symbols
CD124; IL4RA; IL-4RA
NCBI Protein Information
interleukin-4 receptor subunit alpha; IL4R nirs variant 1; IL-4 receptor subunit alpha; interleukin-4 receptor alpha chain
UniProt Protein Name
Interleukin-4 receptor subunit alpha
Protein Family
UniProt Gene Name
IL4R
UniProt Synonym Gene Names
IL4RA; IL-4 receptor subunit alpha; IL-4R subunit alpha; IL-4R-alpha; IL-4RA; Soluble IL-4 receptor subunit alpha; Soluble IL-4R-alpha; sIL4Ralpha/prot; IL4-BP
UniProt Entry Name
IL4RA_HUMAN

NCBI Description

This gene encodes the alpha chain of the interleukin-4 receptor, a type I transmembrane protein that can bind interleukin 4 and interleukin 13 to regulate IgE production. The encoded protein also can bind interleukin 4 to promote differentiation of Th2 cells. A soluble form of the encoded protein can be produced by proteolysis of the membrane-bound protein, and this soluble form can inhibit IL4-mediated cell proliferation and IL5 upregulation by T-cells. Allelic variations in this gene have been associated with atopy, a condition that can manifest itself as allergic rhinitis, sinusitus, asthma, or eczema. Polymorphisms in this gene are also associated with resistance to human immunodeficiency virus type-1 infection. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Apr 2012]

Uniprot Description

IL4R: Receptor for both interleukin 4 and interleukin 13. Couples to the JAK1/2/3-STAT6 pathway. The IL4 response is involved in promoting Th2 differentiation. The IL4/IL13 responses are involved in regulating IgE production and, chemokine and mucus production at sites of allergic inflammation. In certain cell types, can signal through activation of insulin receptor substrates, IRS1/IRS2. Belongs to the type I cytokine receptor family. Type 4 subfamily. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Membrane protein, integral; Receptor, cytokine

Chromosomal Location of Human Ortholog: 16p12.1-p11.2

Cellular Component: extracellular space; integral to plasma membrane; receptor complex

Molecular Function: protein binding; interleukin-4 receptor activity; receptor signaling protein activity

Biological Process: ovulation; positive regulation of T-helper 2 cell differentiation; negative regulation of T-helper 1 cell differentiation; response to estrogen stimulus; production of molecular mediator of acute inflammatory response; immune response; defense response to protozoan; signal transduction; regulation of cell proliferation; positive regulation of macrophage activation

Disease: Ige Responsiveness, Atopic; Human Immunodeficiency Virus Type 1, Susceptibility To

Research Articles on IL4R

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Product Notes

The IL4R il4r (Catalog #AAA8102681) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The IL-4R/CD124 Neutralizing Antibody reacts with Human and may cross-react with other species as described in the data sheet. AAA Biotech's IL-4R/CD124 can be used in a range of immunoassay formats including, but not limited to, Blocking (BL), Neutralization. Block: In a functional ELISA, 1.2ug/mL of the Rabbit Anti-Human IL4R Monoclonal antibody will block 50% of the binding of 2ug/mL of Human IL4 to immobilized Recombinant Human IL4R ) coated at 0.5ug/mL (100uL/well). At 5ug/mL, this antibody will block >90% of the binding. Neutralization: The neutralization activity of IL4R Neutralizing Antibody is Measured by its ability to neutralize IL4 induced proliferation in the human erythroleukemia cell line (TF-1). The Neutralization titer (IC50) is typically 1-4ng/mL in the presence of 0.2ng/mL Recombinant Human IL4. Researchers should empirically determine the suitability of the IL4R il4r for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "IL-4R/CD124, Monoclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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