1. 重组蛋白
  2. Cytokines and Growth Factors CD Antigens
  3. Interleukin & Receptors Monocyte CD Proteins
  4. IL-1R CD121b/IL-1 Receptor 2
  5. IL-1 Receptor 2 (IL-1R2)
  6. IL-1R2 蛋白, Human (HEK293)

IL-1R2 蛋白, Human (HEK293)

目录号: HY-P75849
产品使用指南

IL-1R2 是 IL-1 信号通路的竞争性内源性抑制剂。 IL-1R2 作为诱饵受体与 IL-1R1 竞争 IL-1,与 IL-1 结合后也可与 IL-1RAP 形成复合体。 IL-1R2 与多种 IL-1 介导的炎性疾病有关。IL-1R2 蛋白, Human (HEK293) 是一种重组人 IL-1R2 蛋白,在 HEK293 细胞中表达,由 343 个氨基酸组成 (M1-E343)。

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规格 是否有货
50 μg 询问价格 & 货期
100 μg 询问价格 & 货期

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描述

IL-1R2 is a competitive endogenous inhibitor of IL-1 signaling. IL-1R2 serves as a decoy receptor and competes with IL-1R1 for IL-1, it can also form a complex with IL-1RAP once it binds IL-1. IL-1R2 is implicated in various IL-1-mediated inflammatory diseases[1]. IL-1R2 Protein, Human (HEK293) is a recombinant human IL-1R2 protein and is expressed in HEK293 cells. It consists of 343 amino acids (M1-E343).

研究背景

IL-1R2 is the non-signaling type 2 interleukin-1 receptor and is natively found on neutrophils, B-cells, monocytes and macrophages. IL-1R2 is also expressed in breast and colon cancer cells. IL-1R2 is rapidly upregulated in human regulatory T cells (Tregs). The human IL-1R2 can be cleaved into two forms: membrane form (14-398 a.a) and soluble form (14-? a.a).
The sequence of amino acids in IL-1R2 from human shows low similarity (about 60%) with both mouse and rat IL-1R2.
IL-1R2 contains truncated cytoplasmic domain and lacks Toll-IL-1 receptor (TIR) region, making it incapable of transmembrane signaling. IL-1R2 serves as an endogenous inhibitor of IL-1 signaling. Functional IL-1 signaling requires IL-1R1 and IL-1-dependent recruitment of IL-1RAP. IL-1R2 serves as a decoy receptor and can compete with IL-1R1 for IL-1. IL-1R2 can also form a complex with IL-1RAP once it binds IL-1, preventing IL-1RAP from heterodimerizing with IL-1R1. Through these 2 ways, IL-1R2 blocks IL-1 signaling. Additionally, soluble IL-1R2 recruits soluble IL-1RAP with high affinity without impacting affinity for IL-1RA.
IL-1R2 inhibits IL-1 signaling and has been implicated in various IL-1-mediated inflammatory diseases like arthritis, diabetes, gout and so on[1][2][3].

体外研究
(In Vitro)

IL-1R2 but not IL-1R1 or IL-1RAcP is sensitive to PMA-induced proteolytic activity and ectodomain shedding of IL-1R2 is dependent on ADAM17[5].

体内研究
(In Vivo)

Human sIL-1R2 (5 or 25 μg/kg; i.p.; daily for 24 days) decreases the development of endometrial implants and inflammation in mice[4].

生物活性

Measured by its binding ability in a functional ELISA. Immobilized human IL1R2 at 2 μg/mL (100 μL/well) can bind biotinylated human IL-1 beta-His and the EC50 is 70-260 ng/mL.

种属

Human

表达系统

HEK293

标签

Tag Free

蛋白编号

P27930 (M1-E343)

基因 ID

7850  [NCBI]

中文名
重组人 IL-1R2 蛋白 (HEK293)
同用名
Interleukin-1 receptor type 2; IL-1R-2; CDw121b; IL-1R-beta; CD121b; mIL-1R2; sIL-1R2
分子量

Approximately 49 kDa

纯度

Greater than 95% as determined by reducing SDS-PAGE

性状

Lyophilized powder.

组分

Lyophilized a 0.2 μm filtered solution of 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. 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
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.

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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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