SRP3211
IL-4 from mouse
Animal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Sinónimos:
B cell stimulating factor (BSF-1), BCDF, BCGF
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About This Item
Código UNSPSC:
12352202
NACRES:
NA.32
Productos recomendados
origen biológico
mouse
recombinante
expressed in E. coli
Ensayo
≥98% (HPLC)
≥98% (SDS-PAGE)
Formulario
lyophilized
potencia
≤2.0 ng/mL ED50
mol peso
13.7 kDa
envase
pkg of 20 μg
técnicas
cell culture | mammalian: suitable
impurezas
<0.1 EU/μg endotoxin, tested
color
white to off-white
Nº de acceso UniProt
Condiciones de envío
wet ice
temp. de almacenamiento
−20°C
Información sobre el gen
mouse ... IL4(16189)
Descripción general
IL-4 (interleukin 4) is a pleiotropic cytokine. Produced by mast cells, T cells and bone marrow stromal cells. Recombinant murine IL-4 is a 13.7kDa globular protein containing 120 amino acid residues.
Acciones bioquímicas o fisiológicas
It regulates diverse T and B cell responses including cell proliferation, survival and gene expression. IL-4 regulates the differentiation of naive CD4+ T cells into helper Th2 (T helper) cells, characterized by their cytokine-secretion profile that includes secretion of IL-4, IL-5, IL-6, IL-10, and IL-13, which favor a humoral immune response. Another dominant function of IL-4 is the regulation of immunoglobulin class switching to the IgG1 (immunoglobulin G1) and IgE isotypes. Excessive IL-4 production by Th2 cells has been associated with elevated IgE production and allergy. IL-4 helps in long-term recovery after cerebral ischemia by controlling the activities of microglia/macrophage. In mice, absence of IL-4 is associated with a state anxiety-like behavior.
Secuencia
MHIHGCDKNH LREIIGILNE VTGEGTPCTE MDVPNVLTAT KNTTESELVC RASKVLRIFY LKHGKTPCLK KNSSVLMELQ RLFRAFRCLD SSISCTMNES KSTSLKDFLE SLKSIMQMDY S
Forma física
Lyophilized with no additives.
Reconstitución
Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a stabilizer (example 5% Trehalose) and store in working aliquots at -20°C to -80°C.
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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Certificados de análisis (COA)
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