Anti-Mouse IL-4 (Clone 11B11) – Purified in vivo PLATINUM™ Functional Grade

Purified Recombinant Mouse IL-4

This monoclonal antibody is aseptically packaged and formulated in 0.01 M phosphate buffered saline (150 mM NaCl) PBS pH 7.2 - 7.4 with no carrier protein, potassium, calcium or preservatives added. Due to inherent biochemical properties of antibodies, certain products may be prone to precipitation over time. Precipitation may be removed by aseptic centrifugation and/or filtration.

Functional grade preclinical antibodies are manufactured in an animal free facility using in vitro cell culture techniques and are purified by a multi-step process including the use of protein A or G to assure extremely low levels of endotoxins, leachable protein A or aggregates.

To protect mouse colonies from infection by pathogens and to assure that experimental preclinical data is not affected by such pathogens, all of Leinco’s Purified Functional PLATINUM^TM antibodies are tested and guaranteed to be negative for all pathogens in the IDEXX IMPACT I Mouse Profile.

Functional grade preclinical antibodies may be stored sterile as received at 2-8°C for up to one month. For longer term storage, aseptically aliquot in working volumes without diluting and store at -80°C. Avoid Repeated Freeze Thaw Cycles.

Next Day 2-8°C

Clone 11B11 recognizes an epitope on mouse IL-4.

IL-4 antibody, 11B11, recognizes mouse IL-4, also known as B-cell differentiation factor (BCDF) and B-cell stimulatory factor (BSF1). IL-4 is a pleiotropic 20 kDa cytokine secreted by T helper 2 cells (Th2) cells, natural killer T (NKT) cells, mast cells, eosinophils, and basophils^1,2. IL-4 signaling through the IL-4 receptor alpha chain (IL-4Ra) induces the differentiation of naive T cells to Th2 cells^3,4 and stimulates B cell differentiation, proliferation, and class switching to IgG1 and IgE isotypes⁵. In addition, IL-4 is implicated in normal wound healing^6,7 and airway inflammation in patients with asthma⁸.

IL-4 is secreted by Th2 cells, NKT cells, mast cells, eosinophils, and basophils.

Clone 11B11 can be used as the capture antibody in a sandwich ELISA or ELISPOT, using biotinylated clone BVD6-24G2 for detection.

1. Yoshimoto T & Paul WE. (1994) J Exp Med. 179(4):1285–95
2. Kipnis J., at al. (2012) J Immunol. 189(9):4213-4219
3. Groth B., et al. (1992) J Exp Med. 176:1091–8
4. Murphy KM., et al. (1992) Proc Natl Acad Sci USA. 89:6065–9
5. Paul WE., et al. (1999) Annual Rev Immunol. 17:701-38
6. Maquart FX., et al. (2000) Lab Invest. 80(8):1337-43
7. Godeau, G., et al. (2000) Lab Invest. 80,1337–1343
8. Steinke JW & Borish L. (2001) Respir Res. 2(2):66-70