1. 重组蛋白
  2. Cytokines and Growth Factors
  3. TSLP 蛋白, Human

TSLP 蛋白, Human是一种上皮细胞衍生的细胞因子,过敏性炎症中有重要作用。

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规格 价格 是否有货 数量
10 μg ¥1900 In-stock
50 μg ¥6400 In-stock
100 μg ¥9500 询价
> 100 μg   询价  

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  • 生物活性

  • 技术参数

  • 产品性质

  • 产品资料

  • 参考文献

描述

TSLP Protein, Human is an epithelial cell-derived cytokine which plays key role in allergic inflammation.

研究背景

胸腺基质淋巴细胞生成素 (TSLP) 是一种上皮细胞衍生的细胞因子,在皮肤、肠道、肺和胸腺中表达。TSLP 通过 TSLPR 发出信号,TSLPR 是 IL-7 受体 α 链 (IL-7Rα) 和 TSLP 受体链 (TSLPR) 的异二聚体。胸腺基质淋巴细胞生成素对树突状细胞 (DC) 的极化产生深远影响,以驱动 T 辅助细胞 (Th) 2 细胞因子的产生。它还直接促进 T 细胞增殖,以响应 T 细胞受体 (TCR) 的激活和 Th2 细胞因子的产生。胸腺基质淋巴细胞生成素还支持 B 细胞扩增和分化。胸腺基质淋巴细胞生成素进一步增强肥大细胞和 NKT 细胞产生 Th2 细胞因子[1]。多种先天免疫细胞表达 TSLPR 并对 TSLP 做出反应。例如,胸腺基质淋巴细胞生成素可以增强肥大细胞、NKT 细胞和嗜酸性粒细胞的细胞因子产生。此外,胸腺基质淋巴细胞生成素最近被证明可以诱导嗜酸性粒细胞胞外陷阱 (EET),即感染时释放的线粒体 DNA 有毒颗粒分子的挤出[2]

生物活性

1.The ED50 is <0.3 ng/mL as measured by murine BaF3 pro-B cells, corresponding to a specific activity of >3.3 × 106 units/mg.
2.Immobilized Human TSLP at 10 μg/mL (100 μl/well) can bind Human TSLP R-Fc .The ED50 of Human TSLP R-Fc is <0.35 μg/mL.

种属

Human

表达系统

E. coli

标签

Tag Free

蛋白编号

Q969D9-1 (Y29-Q159)

基因 ID
蛋白结构
N-term
TSLP (Y29-Q159)
Accession # Q969D9-1
C-term
蛋白长度

Full Length of Isoform-1 Mature Protein

中文名
TSLP 蛋白
同用名
rHuTSLP; TSLP
氨基酸序列

YDFTNCDFEKIKAAYLSTISKDLITYMSGTKSTEFNNTVSCSNRPHCLTEIQSLTFNPTAGCASLAKEMFAMKTKAALAIWCPGYSETQINATQAMKKRRKRKVTTNKCLEQVSQLQGLWRRFNRPLLKQQ

分子量

Approximately 15.1 kDa

纯度

Greater than 95% as determined by reducing SDS-PAGE.

性状

无菌粉末

组分

Lyophilized after extensive dialysis against 20 mM PB, pH 7.4, 150 mM NaCl or PBS, pH 7.4.

内毒素含量

<1 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. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

保存条件 & 期限

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). 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

TSLP Protein, Human 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 activity calculator equation

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

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

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TSLP Protein, Human
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