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The antibody was purified by affinity chromatography, and conjugated with biotin under optimal conditions. The solution is free of unconjugated biotin.
Concentration:
0.5 mg/ml
Storage & Handling:
The antibody solution should be stored undiluted at 4°C. Do not freeze.
Each lot of this antibody is quality control tested by ELISA assay. For use as an ELISA detection antibody, a concentration range of 0.25-1.0 µg/ml is recommended. To obtain a linear standard curve, serial dilutions of IL-4 recombinant protein ranging from 250 to 2 pg/ml are recommended for each ELISA plate. For use as an ELISPOT detection antibody, a concentration range of 1-4 µg/ml is recommended. It is recommended that the reagent be titrated for optimal performance for each application.
COA:
Application Notes:
ELISA Detection1-3,5,7,8 or ELISPOT Detection4: The biotinylated BVD6-24G2 antibody is useful as a detection antibody for a sandwich ELISA or ELISPOT assay, when used in conjunction with the purified 11B11 antibody (Cat. No. 504102/504108) as capture antibody and recombinant mouse IL-4 (Cat. No. 563201) as the standard. Additional reported applications (for the relevant formats) include:In Vivo Capture6. Note: For testing mouse IL-4 in serum, plasma or supernatant, BioLegend's ELISA Max™ Sets (Cat. No. 431101 to 431106) are specially developed and recommended.
Application References:
1. Abrams J, et al. 1992. Immunol. Rev. 127:5. 2. Abrams J. 1995. Curr. Prot. Immunol. John Wiley and Sons New York. Unit 6.20. 3. Sander B, et al. 1993. J. Immunol. Meth. 166:201. 4. Fujihashi K, et al. 1991. J. Immunol. Meth. 160:181. 5. Sander B, et al. 1991. Immunol. Rev. 119:65. 6. Finkelman F, et al. 2003. Curr. Prot. Immunol. John Wiley & Sons New York. Unit 6.28. 7. Dzhagalov I, et al. 2007. J. Immunol. 178:2113. 8. Xu G, et al. 2007. J. Immunol. 179:5358.
IL-4 is a pleiotropic cytokine produced by activated T cells, mast cells, and basophils. IL-4 is a potent lymphoid cell growth factor which stimulates the growth and activation of certain B cells and T cells. IL-4 is important for regulation of T helper subset development. The BVD6-24G2 antibody reacts with mouse interleukin-4 (IL-4). The BVD6-24G2 antibody can not neutralize the bioactivity of natural or recombinant IL-4.
Other Names:
Interleukin-4, Ia inducing factor (IaIF), B cell stimulating factor-1 (BSF-1), Hodgkin's cell growth factor (HCGF), Mast cell growth factor-2 (MCGF-2), Macrophage fusion factor (MFF), T cell growth factor-2 (TCGF-2)
Structure:
Cytokine; 15-19 kD (Mammalian)
Regulation:
Upregulated by IL-2, platelet activating factor; downregulated by TGF-β
Cellular Sources:
Mast cells, T cells, bone marrow stromal cells
Cellular Targets:
B cells, T cells, monocytes, endothelial cells, fibroblasts
Receptors:
Heterodimer IL-4Rα (CD124); γ-subunit (CD132) in common with IL-2R, IL-7R, IL-13R, IL-15R
Bioactivity/Activities:
Differentiation of naïve CD4+ T cells to the TH2 type, proliferation/differentiation of activated B cells, expression of class II MHC antigens, and of low affinity IgE receptors in resting B cells
Antigen References:
1. Fitzgerald K, et al. Eds. 2001. The Cytokine FactsBook. Academic Press San Diego. 2. Boulay J, et al. 1992. Curr. Opin. Immunol. 4:294. 3. Dullens H, et al. 1991. In vivo 5:567. 4. Paul W. 1991. Blood 77:1859.
*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/terms). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.
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