IL4 protein (Rat) (30R-AI144)

Purified recombinant Rat IL4 protein

Synonyms B cell stimulating factor protein, IL 4, BCDF protein, IL-4, Interleukin 4 protein, BSF-1 protein, IL 4 protein, IL-4 protein, IL4, BCGF protein, IL-4 protein
Species Rat
Protein Type Recombinant
Applications User optimized

Specifications

Residues Region of IL4 protein corresponding to amino acids MHGCNDSPLR EIINTLNQVT EKGTPCTEMF VPDVLTATRN TTENELICRA SRVLRKFYFP RDVPPCLKNK SGVLGELRKL CRGVSGLNSL RSCTVNESTL TTLKDFLESL KSILRGKYLQ SCTSMS.
Expression System E.coli
Grade & Purity > 98% pure
Molecular Weight 14.0 kDa
Form & Buffer Supplied as a lyophilized powder.

Usage & Assay Information

Bioactivity Tested by its ability to suppress LPS-induced TNF-alpha and MIP-2 production in mouse splenocytes.

Storage & Safety

Storage Store at 4 deg C until reconstitution. Following reconstitution aliquot and freeze at -20 deg C for long term storage. Avoid repeated freeze/thaw cycles.
Endotoxin Levels Endotoxin level is less than 0.1 ng per ug (1 EU/ug).

General Information

Biological Significance IL4 is a pleiotropic cytokine that regulates diverse T and B cell responses including cell proliferation, survival and gene expression. Produced by mast cells, T cells and bone marrow stromal cells, IL4 regulates the differentiation of naive CD4+ T cells into helper Th2 cells, characterized by their cytokine-secretion profile that includes secretion of IL4, IL5, IL6, IL10, and IL13, which favor a humoral immune response. Another dominant function of IL4 is the regulation of immunoglobulin class switching to the IgG1 and IgE isotypes. Excessive IL4 production by Th2 cells has been associated with elevated IgE production and allergy.

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Availability: In stock

Price: €258.73
Size: 20 ug
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