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IL4, Mouse, HEK293 Cells,Tag Free

1/3
Price:
800.00
Size:
10ug 0.2mg/ml
100ug 0.2mg/ml
1000ug 0.2mg/ml
Number:

IL4, Mouse, HEK293 Cells,Tag Free: Product Information

Accession #

P07750

Source

Human embryonic kidney cell, HEK293-derived Mouse IL-4 protein

His23-Ser140


Predicted Moleucular weight

13.4 kDa

Formulation

Solution protein.
Dissolved in sterile PBS buffer. This solution can be diluted into other aqueous buffers. Centrifuge the vial prior to opening.

Storage and Stability

Avoid repeated freeze-thaw cycles.

It is recommended that the protein be aliquoted for optimal storage.

12 months from date of receipt, -20 to -70 °C   as supplied.


Shipping

Shipping with dry ice.

Purity

> 95%, determined by SDS-PAGE.

Endotoxin Level

<0.010 EU per 1 ug of the protein by the LAL method.

Activity

Measured in a cell proliferation assay using HT-2 mouse T cells. The EC50 for this effect is 0.2-1.0 ng/mL.

IL4, Mouse, HEK293 Cells,Tag Free:SDS-PAGE & Bioactivity

Recombinant mouse IL4 (Catalog # MF-1004) stimulates cell proliferation of HT-2 mouse T cells.

Size-exclusion chromatography of recombinant mouse IL4 protein (280 nm absorbance) 

4 ug/lane protein was resolved with SDS-PAGE under non-reducing (NR) and reducing (R) conditions and visualized by Coomassie Blue staining.

IL4, Mouse, HEK293 Cells,Tag Free:Synonyms

B cell growth factor 1; BCDF; BCGF1; BCGF-1; binetrakin; BSF1; BSF-1; IL

IL4, Mouse, HEK293 Cells,Tag Free:Background


Interleukin-4 (IL-4) , also known as B cell-stimulatory factor-1, is a monomeric, approximately Th2 cytokine that shows pleiotropic effects during

immune responses (1-4). Mature mouse IL-4 shares 39%, 39%, and 59% aa sequence identity with bovine, human, and rat IL-4, respectively. Human, mouse, and rat IL-4 are species-specific in their activities (5-7). IL-4 exerts its effects through two receptor complexes (8, 9). The type I receptor, which is expressed on hematopoietic cells, is a heterodimer of the ligand binding IL-4 R alpha and the common gamma chain. The type II receptor on

nonhematopoietic cells consists of IL-4R alpha and IL-13 R alpha 1. The type II receptor also transduces IL-13 mediated signals. IL-4 is primarily

expressed by Th2-biased CD4+ T cells, mast cells, basophils, and eosinophils (1, 2). It promotes cell proliferation, survival, and immunoglobulin class

switch to IgG1 and IgE in mouse B cells, acquisition  of the Th2 phenotype by naive CD4+ T cells, priming and chemotaxis of mast cells, eosinophils, and basophils, and the proliferation and activation of epithelial cells (10 - 13). IL-4 plays a dominant role in the development of allergic inflammation and

asthma (12, 14).

4; IL-4


Reference

1. Benczik, M. and S.L. Gaffen (2004) Immunol. Invest. 33:109.

2. Chomarat, P. and J. Banchereau (1998) Int. Rev. Immunol. 17:1.

3. Lee, F. et al. (1986) Proc. Natl. Acad. Sci. 83:2061.

4. Noma, Y. et al. (1986) Nature 319:640.

5. Ramirez, F. et al. (1988) J. Immunol. Meth. 221:141.

6. Leitenberg, D. and T.L. Feldbush (1988) Cell. Immunol. 111:451.

7. Mosman, T.R. et al. (1987) J. Immunol. 138:1813.

8. Mueller, T.D. et al. (2002) Biochim. Biophys. Acta 1592:237.

9. Nelms, K. et al. (1999) Annu. Rev. Immunol. 17:701.

10. Paludan, S.R. (1998) Scand. J. Immunol. 48:459.

11. Corthay, A. (2006) Scand. J. Immunol. 64:93.

12. Ryan, J.J. et al. (2007) Crit. Rev. Immunol. 27:15.

13. Grone, A. (2002) Vet. Immunol. Immunopathol. 88:1.

14. Rosenberg, H.F. et al. (2007) J. Allergy Clin. Immunol. 119:1303.



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