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当前位置:首页 >> 产品中心 >> 辅助试剂 >> 细胞因子 >> Human

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  • Procell-IL-5 (C-6His), Human, Recombinant

IL-5 (C-6His), Human, Recombinant

货号:PCK201

价格:¥1780¥4980¥17480¥27980

规格:
10µg
  • 10µg
  • 50µg
  • 500µg
  • 1mg
数量: - +
产品概述

产品信息

别名 Interleukin-5; IL-5; B-cell differentiation factor I; Eosinophil differentiation factor; T-cell replacing factor; TRF; IL5
物种 Human
表达宿主 Human Cells
序列信息 Ile20-Ser134
检索号 P05113
分子量 14.2 kDa
表观分子量 20 kDa
标签 C-6His
生物活性 Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells.The ED50 for this effect is less than 0.8 ng/ ml.

产品特性

纯度 >95% as determined by reducing SDS-PAGE.
内毒素 < 1.0 EU per µg as determined by LAL test.
保存 Lyophilized Protein should be stored at < -20℃, though stable at room temperature for 3 weeks. Reconstituted Protein solution can be stored at 4-7℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
运输 The product is shipped at ambient temperature.Upon receipt, store it immediately at the temperature listed below.
制剂 Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4.
复融 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.

背景介绍

IL-5 is expressed in eosinophils, NK cells, TC2 CD8+ T cells, mast cells, CD45+ CD4+ T cells, gamma delta T cells and IL-1 beta activated endothelial cells. IL-5 acts as a growth and differentiation factor for both B cells and eosinophils. Relative to B cells, IL-5 appears to induce the differentiation of activated conventional B-2 cells into Ig-secreting cells. In addition, it induces the growth of B-1 progenitors as well as IgM production by B-1 cells.IL-5 appears to perform a number of functions on eosinophils. These include the down modulation of Mac-1,the upregulation of Receptors for IgA and IgG,the stimulation of lipid mediator (leukotriene C4 and PAF) secretion and the induction of granule release.IL-5 also promotes the growth and differentiation of eosinophils.
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