重组小鼠白介素IL-4(白细胞介素4)

特别提示：包括重组小鼠白介素IL-4(白细胞介素4)在内，本公司的所有产品仅可用于科研实验，严禁用于临床医疗及其他非科研用途！

产品名称：重组小鼠白介素IL-4(白细胞介素4)
英文名称：Recombinant Mouse Interleukin-4

产品货号：重组小鼠白介素IL-4(白细胞介素4)
产品规格：10μg|50μg|500μg|1mg

本品由我们的大肠杆菌表达系统制备，目的基因编码的His23-Ser140表达纯化而来。

IL-4质量控制：＞95%(还原性SDS-PAGE)。

IL-4制剂：冻干品

IL-4保存：
冻干蛋白可在-20℃长期保存，室温也可稳定保存3周。
复溶蛋白溶液可在4～7℃保存2～7天。
复溶后建议分装冻存在-20℃，可保存3个月，应避免反复冻融。

IL-4复溶：
1、试剂开盖前请先离心。
2、复溶浓度应大于100 μg/ml.
3、冻干蛋白溶于ddH2O中
4、复溶后根据使用量分装保存，避免反复冻融。

关于IL-4：
Mouse Interleukin-4(IL-4) is a monomeric, Th2 cytokine that shows pleiotropic effects during immune responses. It is a glycosylated polypeptide that contains three intrachain disulfide bridges and adopts a bundled four α­helix structure. IL­4 exerts its effects through two receptor complexes, Participates in at least several B-cell activation processes as well as of other cell types. IL­4 is primarily expressed by Th2­biased CD4+T cells, mast cells, basophils, and eosinophils. It promotes cell proliferation, survival, and immunoglobulin class switch to IgG1 and IgE in mouse B cells, acquisition of the Th2 phenotype by naïve CD4+T cells, priming and chemotaxis of mast cells, eosinophils, and basophils, and the proliferation and activation of epithelial cells. IL­4 plays a dominant role in the development of allergic inflammation and asthma. It also regulates the expression of the low affinity Fc receptor for IgE (CD23) on both lymphocytes and monocytes.

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