I4269
IL-4 human
≥98% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
Sinónimos:
IL-4, Interleukin-4 human, hIL-4
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Biological source:
human
Recombinant:
expressed in E. coli
Assay:
≥98% (SDS-PAGE)
Form:
lyophilized powder
Mol wt:
14.9 kDa (containing 129 amino acid residues)
Impurities:
≤1.000 EU/μg
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Permítanos ayudarleNombre del producto
Interleukin-4 human, IL-4, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
biological source
human
recombinant
expressed in E. coli
assay
≥98% (SDS-PAGE)
form
lyophilized powder
potency
≤0.400 ng/mL EC50
quality
endotoxin tested
mol wt
14.9 kDa (containing 129 amino acid residues)
packaging
pkg of 5 and 50 μg
technique(s)
cell culture | mammalian: suitable
impurities
≤1.000 EU/μg
color
white
UniProt accession no.
storage temp.
−20°C
Quality Level
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General description
Interleukin-4 (IL-4) is a pleiotropic cytokine that regulates diverse T and B cell responses including differentiation of naive T cells into the TH2 phenotype, promoting B cell proliferation, antibody isotype switching, and expression of other TH2 cytokines including IL-5 and IL-9.1,2 IL-4 plays a critical role in the development of allergic inflammation and asthma.3
IL-4 binds to two distinct receptors; the type I receptor, a heterodimer consisting of the IL-4Rα chain and the common gamma chain, γc, and the type II receptor, a heterodimer of IL-4Rα and IL-13Rα1.4
Naturally occurring IL-4 has a molecular mass of 12-20 kDa. Recombinant human IL-4 is a 14.9 kDa protein containing 129 amino acid residues. Human and mouse IL-4 share a 50% amino acid sequence homology, but their biological actions are species-specific.5
IL-4 binds to two distinct receptors; the type I receptor, a heterodimer consisting of the IL-4Rα chain and the common gamma chain, γc, and the type II receptor, a heterodimer of IL-4Rα and IL-13Rα1.4
Naturally occurring IL-4 has a molecular mass of 12-20 kDa. Recombinant human IL-4 is a 14.9 kDa protein containing 129 amino acid residues. Human and mouse IL-4 share a 50% amino acid sequence homology, but their biological actions are species-specific.5
Application
Lymphokine with profound effects on the growth and differentiation of immunologically competent cells, inhibits VEGF-induced and βFGF-induced angiogenesis.
Physical form
Lyophilized from a sterile filtered solution.
Analysis Note
The biological activity is measured by the dose-dependent stimulation of the proliferation of human TF-1 cells.
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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T Yokota et al.
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Macrophage polarization and infiltration to the tumor microenvironment (TME) is a critical determining factor for tumor progression. Macrophages are polarized into two states-M1 (pro-inflammatory, anti-tumorigenic and stimulated by LPS or IFN-γ) and M2 (anti-inflammatory pro-tumorigenic and stimulated by IL-4) phenotypes.
Joshua A Kochanowsky et al.
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Polymorphic effector proteins determine the susceptibility of Toxoplasma gondii strains to IFN-γ-mediated clearance mechanisms deployed by murine host cells. However, less is known about the influence of these polymorphic effector proteins on IFN-γ-independent clearance mechanisms. Here, we show that deletion
Lancelot Marique et al.
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Hashimoto's thyroiditis (HT) and Graves' disease (GD) are thyroid autoimmune disorders driven by Th1 and Th2 immune responses, respectively. Caveolin-1 (Cav-1), thyroid peroxidase (TPO), and dual oxidase (DUOX) are thought to be part of the thyroxisome, which is essential to
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