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You are here:Home » Growth Factors, Cytokines » Growth Factors-Interleukin » Interleukin 4, Recombinant, Rat (IL-4, B Cell Stimulatory Factor 1, BSF1, Binetrakin, HCGF, Hodgkin's Cell Growth Factor, IA Inducing Factor, Lymphocyte Stimulatory Factor 1, Macrophage Fusion Factor, Mast Cell Growth Factor 2, MCGF2, MFF, MGC79402, Pitra

Interleukin 4, Recombinant, Rat (IL-4, B Cell Stimulatory Factor 1, BSF1, Binetrakin,
HCGF, Hodgkin's Cell Growth Factor, IA Inducing Factor, Lymphocyte Stimulatory Factor 1,
Macrophage Fusion Factor, Mast Cell Growth Factor 2, MCGF2, MFF, MGC79402, Pitra

Pricing

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Specifications

Interleukin-4 (IL-4) is a potent lymphoid cell growth factor which stimulates the growth and survivability of certain B cells and T cells. Recombinant Rat IL-4 is a 14kD protein containing 121 amino acid residues.
Catalog #I8426-26
SourceE. coli
FormThe sterile ltered solution was lyophilized without additives.
Purity 98% by SDS-PAGE and HPLC.
Endotoxin 0.1ng/ug (1EU/ug)
Biological Activity Tested by its ability to suppress LPS-induced TNF-alpha and MIP-2 production in mouse splenocytes.
ReconstitutionA quick spin followed by reconstitution in water to a concentration of 0.1-1.0mg/ml. This solution can then be diluted into other aqueous buffers and stored at 4°C for 1 week or -20°C for future use.
Storage and StabilityLyophilized protein is stable for a few weeks at room temperature, but best stored at -20°C. Reconstituted IL-4 should be stored in working aliquots at -20°C.
Country of OriginUSA
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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