1. 重组蛋白
  2. Cytokines and Growth Factors
  3. Interleukin & Receptors
  4. IL-9
  5. IL-9 蛋白, Human (CHO)

IL-9 蛋白, Human (CHO)

目录号: HY-P7046
COA 产品使用指南

IL-9 蛋白, Human (CHO)是 CHO 细胞来源的由 IL-2 活化的 Th2 淋巴细胞产生的免疫调节细胞因子。

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规格 价格 是否有货 数量
10 μg ¥2200 In-stock
50 μg ¥7200 In-stock
100 μg ¥13500 询价
250 μg   询价  

* Please select Quantity before adding items.

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描述

IL-9 Protein, Human (CHO) is a CHO cell derived immunoregulatory cytokine produced by IL-2 activated Th2 lymphocytes.

研究背景

Interleukin 9 (IL-9) is cytokine produced by a subgroup of helper T cells, known as Th2 cells. IL-9 signals through its receptor IL-9R to induce cell proliferation and survival. Genetically, IL-9 has been identified as a gene associated with asthma.Human interleukin-9 (IL-9) was originally identified and cloned based on its stimulatory effect on proliferation of human myeloid cell line, M07e. IL-9 synergized with Steel factor, the ligand for the c-kit product, to stimulate M07e cell proliferation[1]

生物活性

The ED50 is <1 ng/mL as measured by MO7e cells, corresponding to a specific activity of >1 × 106 units/mg.

种属

Human

表达系统

CHO

标签

Tag Free

蛋白编号

P15248 (Q19-I144)

基因 ID

3578  [NCBI]

同用名
rHuIL-9; Cytokine P40; T-cell Growth Factor P40
氨基酸序列

QGCPTLAGILDINFLINKMQEDPASKCHCSANVTSCLCLGIPSDNCTRPCFSERLSQMTNTTMQTRYPLIFSRVKKSVEVLKNNKCPYFSCEQPCNQTTAGNALTFLKSLLEIFQKEKMRGMRGKI

分子量

25-40 kDa

性状

Lyophilized powder.

组分

Lyophilized after extensive dialysis against PBS.

内毒素含量

<0.2 EU/μg, determined by LAL method.

复溶方法

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O or PBS.

保存条件 & 期限

Stored at -20°C. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer. It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

运输条件

Room temperature in continental US; may vary elsewhere.

文件资料
参考文献

IL-9 Protein, Human (CHO) 相关分类

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • 复溶计算器

  • 重组蛋白稀释计算器

  • 比活力计算器

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific active calculator equation

Specific Active (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Active (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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IL-9 Protein, Human (CHO)
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