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IL-4/ BSF-1 (C-6His), Mouse, Recombinant
貨號(hào)：PCK034
價(jià)格：￥1380￥3680￥17480￥25680
規(guī)格：
10μg
- 10μg
- 50μg
- 500μg
- 1mg
產(chǎn)品概述
產(chǎn)品信息
| 別名 | Interleukin-4; IL-4; IL4; B-cell IgG differentiation factor; B-cell Growth Factor 1; B-cell stimulatory factor 1; BSF-1; IGG1 induction factor; Lymphocyte stimulatory factor 1 |
| 物種 | Mouse |
| 表達(dá)宿主 | Human Cells |
| 序列信息 | His21-Ser140 |
| 檢索號(hào) | P07750 |
| 分子量 | 14.6 kDa |
| 表觀分子量 | 15-19 kDa |
| 標(biāo)簽 | C-6His |
| 生物活性 | Measured in a cell proliferation assay using M-NFS-60 mouse lymphoblast cells. The ED50 for this effect is 43.59pg/ml. |
產(chǎn)品特性
| 純度 | >95% as determined by reducing SDS-PAGE. |
| 內(nèi)毒素 | <1.0 EU per μg as determined by LAL test. |
| 保存 | Lyophilized protein should be stored at -5~-20℃, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at -5~-20℃ for 3 months. |
| 運(yùn)輸 | Ambient temperature or ice pack. |
| 制劑 | Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4. |
| 復(fù)融 | Always centrifuge tubes before opening. Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100 μg/ml.Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
背景介紹
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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