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Safety Data Sheet (SDS) Alexa Fluor 488 Anti-mouse IL-4 Antibody     Product Data Sheet (PDF)    
Alexa Fluor® 488 Anti-mouse IL-4 Antibody
3120555 25 µg $100.00       
3120545 100 µg $220.00       
Clone: 11B11
Isotype: Rat IgG1, κ
Reactivity: Mouse
Immunogen: Partially purified native mouse IL-4
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation: The antibody was purified by affinity chromatography, and conjugated with Alexa Fluor® 488 under optimal conditions.
Concentration: 0.5 mg/ml
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application:

ICFC - Quality tested

Application Notes:

ELISA1,2,10,13 or ELISPOT5 Capture: The purified 11B11 antibody is useful as the capture antibody in a sandwich ELISA or ELISPOT assay, when used in conjunction with the biotinylated BVD6-24G2 antibody as the detecting antibody and recombinant mouse IL-4 as the standard.

Recommended Usage:

Each lot of this antibody is quality control tested by intracellular immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤ 0.25 µg per 106 cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.

* Alexa Fluor® 488 has a maximum emission of 519 nm when it is excited at 488 nm.

Application References:

1. Shirai A, et al. 1994. Cytokine 6:329. (ELISA, Neut)
2. Abrams J. 1995. Curr. Prot. Immunol. John Wiley and Sons New York. Unit 6.20. (ELISA, Neut)
3. Assenmacher M, et al. 1994. Eur. J. Immunol. 24:1097.
4. Openshaw P, et al. 1995. J. Exp. Med. 182:1357. (ICC)
5. Klinman D, et al. 1994. Curr. Prot. Immunol. John Wiley and Sons New York. Unit 6.19. (ELISA Capture)
6. Litton M, et al. 1994. J. Immunol. Methods 175:47. (IHC)
7. Andersson U, et al. 1999. Detection and quantification of gene expression. New York:Springer-Verlag. (IHC)
8. Fan WY, et al. 2001. Exp. Biol. Med. 226:1045. (IHC)
9. Hara M, et al. 2001. J. Immunol. 166:3789. (Neut)
10. Dzhagalov I, et al. 2007. J. Immunol. 178:2113. (ELISA)
11. Lawson BR, et al. 2007. J. Immunol. 178:5366.
12. Wang W, et al. 2007. J. Immunol. 178:4885. (Neut)
13. Xu G, et al. 2007. J. Immunol. 179:5358. (ELISA) PubMed
14. Ohnmacht C, et al. 2008. Blood 113:2816. PubMed
15. Charles N, et al. 2010. Nat. Med. 16:701. (FC) PubMed
16. Zavorotinskaya T, et al. 2003. Mol. Ther. 7:155. (IP)

PMA+ionomycin-stimulated (6 hours, in presence

PMA+ionomycin-stimulated (6 hours, in presence of brefeldin A) Th2-polarized C57BL/6 CD4-positive T cells were surface stained with CD3 APC and then intracellularly stained with IL-4 (11B11) Alexa Fluor® 488 (top) or rat IgG1, κ Alexa Fluor® 488 isotype control (bottom).





Description:

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.

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.


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