1. 重组蛋白
  2. Cytokines and Growth Factors
  3. Interleukin & Receptors Neurotrophic Factors
  4. IL-1
  5. IL-1 beta
  6. IL-1 beta 蛋白, Mouse

IL-1 beta 蛋白, Mouse

目录号: HY-P7073
COA 产品使用指南

IL-1 beta 是一种强效促炎细胞因子,由单核细胞、巨噬细胞和树突状细胞表达,在炎症和免疫反应中起关键作用。IL-1 beta 以无活性的 pro-IL-1β (由 pro-Il-1b 编码) 形式产生,以响应炎症刺激。IL-1 beta 蛋白, Mouse 由 152 个氨基酸(V118-S269) 组成,在大肠杆菌中表达。

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规格 价格 是否有货 数量
10 μg ¥2600 In-stock
50 μg ¥7900 In-stock
100 μg   询价  
250 μg   询价  

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描述

IL-1 beta is a potent proinflammatory cytokine expressed by monocytes, macrophages, and dendritic cells. IL-1 beta plays a key role in inflammation and immunologic reactions[1][2]. IL-1 beta Protein, Mouse consists of 152 amino acids (V118-S269) and is expressed in E. coli.

研究背景

Interleukin-1β (IL-1β) is one of the pro-inflammatory cytokines and is produced and secreted by a variety of cell types although the vast majority of studies have focussed on its production within cells of the innate immune system, such as monocytes and macrophages[1][2].
IL-1β is produced as inactive pro-IL-1β (encoded by pro-Il-1b) in response to inflammatory stimuli, including both microbial products and endogenous danger-associated molecules. IL-1β gene expression and synthesis of pro-IL-1β occurs after activation of pattern recognition receptors (PRRs). Inflammatory stimuli also drive activation of cytosolic CARD and PYHIN domain-containing PRRs that recruit ASC and caspase-1 (Casp-1) to assemble into the multiprotein complex inflammasome. Pro-Casp-1 (encoded by pro-Casp-1), activated by the inflammasome, cleaves pro-IL-1β into the bioactive IL-1β. IL-1β acts in an autocrine/paracrine manner via the type I IL-1 receptor (IL-1R1)[1][2][3].
IL-1β could regulate the inflammatory response, and is involved in a variety of cellular activities, including cell proliferation, differentiation, and apoptosis. IL-1β also plays a significant regulator of reproduction in females[1][2][3].

体外研究
(In Vitro)

IL-1β (1-15625 pg/mL; 12 hours) dose-dependently increases production of the NF-κB-dependent inflammatory cytokine TNF-α, and a significant effect of IL-1β is observed at concentrations as low as 5 pg/mL in immortalized murine RAW264.7 macrophages[1].
IL-1β (1, 10 and 100 ng/mL; 24 hours) results in a dose-dependent increase of cell proliferation in pig heart cells. IL-1β increases the gene expression of caspase-3, and increases the enzymatic activities of MMP-2 and MMP-9[2].

体内研究
(In Vivo)

IL-1β (8 ng; i.p.; daily; for 3 days) rescues Casp1−/− mice, restores survival and reduces lung bacterial load (i.e. days 0, 1, and 2 post-infection) in Chlamydia pneumoniae infected Casp1−/− mice. Yet, mice treated later (days 2, 3 and 4 post-infection) shows significantly increased bacterial counts relative to early-treated mice[3].

生物活性

The ED50 is <10 pg/mL as measured by mouse D10S cells.

种属

Mouse

表达系统

E. coli

标签

Tag Free

蛋白编号

P10749 (V118-S269)

基因 ID

16176  [NCBI]

中文名
重组小鼠细胞介素-1β
同用名
rMuIL-1β; Catabolin; IL1F2; IL-1 beta; IL1B
氨基酸序列

MVPIRQLHYRLRDEQQKSLVLSDPYELKALHLNGQNINQQVIFSMSFVQGEPSNDKIPVALGLKGKNLYLSCVMKDGTPTLQLESVDPKQYPKKKMEKRFVFNKIEVKSKVEFESAEFPNWYISTSQAEHKPVFLGNNSGQDIIDFTMESVSS

分子量

Approximately 17.5 kDa

纯度

Greater than 95% as determined by reducing SDS-PAGE

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
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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产品名称:
IL-1 beta Protein, Mouse
目录号:
HY-P7073
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