Recombinant Human Interleukin-4/IL-4 Protein
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- 表达系统： HEK293 Cells
- 蛋白编码： P05112
- 应用性： Cell culture
| 别称 |
Interleukin;B-cell growth factor;BSF;IL4;BCGF-1;BCGF1;BSF-1;BSF1;IL-4;B-cell growth factor 1;B-cell IgG differentiation factor;B-cell stimulatory factor 1;Binetrakin;IGG1 induction factor;Interleukin-4;Lymphocyte stimulatory factor 1;Pitrakinra
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| 表达系统 |
HEK293 Cells
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| 序列 |
His25-Ser153
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| 蛋白编码 |
P05112
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| 种属 |
Human
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| 计算分子量 |
15.0 kDa
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| 表观分子量 |
18 kDa
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| 标签 |
None
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| 生物活性 |
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is 0.01-0.05 ng/ml.
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| 纯度 |
> 95 % as determined by reducing SDS-PAGE.
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| 内毒素 |
< 0.01 EU per μg of the protein as determined by the LAL method.
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| 保存条件 |
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
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| 运输条件 |
This product is provided as lyophilized powder which is shipped with ice packs.
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| 制剂 |
Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| 复溶方法 |
Please refer to the printed manual for detailed information.
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| 背景 |
Interleukin-4 (IL-4) is a pleiotropic cytokine that regulates diverse T and B cell responses including cell proliferation; survival and gene expression. IL-4 is produced by mast cells; T cells; and bone marrow stromal cells. IL-4 regulates the differentiation of naive CD4+ T cells into helper Th2 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 and IgE isotypes. Excessive IL-4 production by Th2 cells has been associated with elevated IgE production and allergic response.
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Osteosarcoma-targeting PtIV prodrug amphiphile for enhanced chemo-immunotherapy via Ca2+ trapping
IF: 9.400Journal： Acta Biomaterialia (2024)
实验操作视频
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