The plasmid is confirmed by full-length sequencing.
Antibiotic in E.coli
Antibiotic in Mammalian cell
Stable or Transient mammalian expression
Storage & Shipping
Each tube contains lyophilized plasmid.
The lyophilized plasmid can be stored at ambient temperature for three months.
IL-4 cDNA ORF Neucleotide Sequence and Amino Acid Sequence Information
**Sino Biological guarantees 100% sequence accuracy of all synthetic DNA constructs we deliver, but we do not guarantee protein expression in your experimental system. Protein expression is influenced by many factors that may vary between experiments or laboratories.**
The plasmid was transfected into 293H adherent cells with Sinofection reagent (Cat#STF01) transiently. After 48 h, the fluorescent signals can be detected by fluorescence microscope. Green excitation 475/40nm, emission 535/45nm. Red excitation 560/55nm, emission 645/45nm. Orange excitation 525/45nm, emission 595/60nm.
IL-4 cDNA ORF Clone, Mouse, C-GFPSpark® tag: Alternative Names
Interleukin-4, also known as IL4, is a secreted protein which belongs to the IL-4 / IL-13 family. Interleukin-4 / IL4 has many biological roles, including the stimulation of activated B-cell and T-cell proliferation. It enhances both secretion and cell surface expression of IgE and IgG1. Interleukin-4 / IL4 also regulates the expression of the low affinity Fc receptor for IgE (CD23) on both lymphocytes and monocytes. Interleukin-4 is essential for the switching of B cells to IgE antibody production and for the maturation of T helper (Th) cells toward the Th2 phenotype. It participates in at least several B-cell activation processes as well as of other cell types. However, studies show that double mutant (Q116D, Y119D) of the murine IL4 protein (QY), both glutamine 116 and tyrosine 119, which binds to the IL4 receptor alpha, completely inhibites in a dose-dependent manner the IL4-induced proliferation of lipopolysaccharide-stimulated murine splenic B-cells, of the murine T cell line CTLL-2, and of the murine pre-B-cell line BA/F3. QY also inhibited the IL4-stimulated up-regulation of CD23 expression by lipopolysaccharide-stimulated murine splenic B-cells and abolished tyrosine phosphorylation of the transcription factor Stat6 and the tyrosine kinase Jak3 in IL4-stimulated BA/F3 cells.
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