I4269
IL-4 human
≥98% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
Szinonimák:
IL-4, hIL-4
Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(2)
About This Item
Javasolt termékek
product name
Interleukin-4 human, IL-4, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
biológiai forrás
human
Minőségi szint
rekombináns
expressed in E. coli
Teszt
≥98% (SDS-PAGE)
form
lyophilized powder
hatékonyság
≤0.400 ng/mL EC50
minőség
endotoxin tested
molekulatömeg
14.9 kDa (containing 129 amino acid residues)
kiszerelés
pkg of 5 and 50 μg
technika/technikák
cell culture | mammalian: suitable
szennyeződések
≤1.000 EU/μg
szín
white
UniProt elérési szám
tárolási hőmérséklet
−20°C
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Általános leírás
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
Alkalmazás
Lymphokine with profound effects on the growth and differentiation of immunologically competent cells, inhibits VEGF-induced and βFGF-induced angiogenesis.
Fizikai forma
Lyophilized from a sterile filtered solution.
Analízis megjegyzés
The biological activity is measured by the dose-dependent stimulation of the proliferation of human TF-1 cells.
Hivatkozás
1. Paul, W.E., Interleukin-4: a prototypic immuno-regulatory lymphokine. Blood, 77, 1859-1870 (1991).
2. O′Garra, A., and Arai, N., The molecular basis of T helper 1 and T helper 2 cell differentiation. Trends Cell Biol., 10, 542-550 (2000).
3. Ryan, J.J. et al., Mast cell homeostasis: a fundamental aspect of allergic disease. Crit. Rev. Immunol., 27, 15-32 (2007).
4. Callard, R.E. et al., IL-4 and IL-13 receptors: are they one and the same? Immunol. Today, 17, 108-110 (1996).
5. Yokota, T. et al., Molecular biology of interleukin 4 and interleukin 5 genes and biology of their products that stimulate B cells, T cells and hemopoietic cells. Immunol. Rev., 102, 137-187 (1988).
6. Kitamura, T. et al., Establishment and characterization of a unique human cell line that proliferates dependently on GM-CSF, IL-3, or erythropoietin. J. Cell Physiol., 140, 323-334 (1989).
2. O′Garra, A., and Arai, N., The molecular basis of T helper 1 and T helper 2 cell differentiation. Trends Cell Biol., 10, 542-550 (2000).
3. Ryan, J.J. et al., Mast cell homeostasis: a fundamental aspect of allergic disease. Crit. Rev. Immunol., 27, 15-32 (2007).
4. Callard, R.E. et al., IL-4 and IL-13 receptors: are they one and the same? Immunol. Today, 17, 108-110 (1996).
5. Yokota, T. et al., Molecular biology of interleukin 4 and interleukin 5 genes and biology of their products that stimulate B cells, T cells and hemopoietic cells. Immunol. Rev., 102, 137-187 (1988).
6. Kitamura, T. et al., Establishment and characterization of a unique human cell line that proliferates dependently on GM-CSF, IL-3, or erythropoietin. J. Cell Physiol., 140, 323-334 (1989).
Tárolási osztály kódja
11 - Combustible Solids
WGK
WGK 3
Lobbanási pont (F)
Not applicable
Lobbanási pont (C)
Not applicable
Analitikai tanúsítványok (COA)
Analitikai tanúsítványok (COA) keresése a termék sarzs-/tételszámának megadásával. A sarzs- és tételszámok a termék címkéjén találhatók, a „Lot” vagy „Batch” szavak után.
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