Recombinant Mouse ICOS Ligand/ICOSL Protein (His Tag)
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- 表达系统： HEK293 Cells
- 蛋白编码： Q9JHJ8
| 别称 |
B7 homolog 2;B7-H2;B7-like protein Gl50;B7RP-1LICOS;CD275;CD275 antigen;ICOS ligand;ICOSL;ICOS-L;inducible T-cell co-stimulator ligand;B7RP-1;CD275;GL50;ICOSL;ICOSLG;B7H2;B7RP1;ICOS Ligand
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| 表达系统 |
HEK293 Cells
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| 序列 |
Glu47-Lys279
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| 蛋白编码 |
Q9JHJ8
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| 种属 |
Mouse
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| 计算分子量 |
27.1 kDa
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| 表观分子量 |
40-60 kDa
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| 标签 |
C-His
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| 纯度 |
> 95 % as determined by reducing SDS-PAGE.
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| 内毒素 |
< 1.0 EU per μg of the protein as determined by the LAL method.
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| 保存条件 |
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
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| 运输条件 |
This product is provided as lyophilized powder which is shipped with ice packs.
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| 制剂 |
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| 复溶方法 |
Please refer to the printed manual for detailed information.
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| 背景 |
Mouse ICOS ligand(B7-H2) is an approximately transmembrane glycoprotein in the B7 family of immune regulatory molecules. B7-H2 is expressed on antigen presenting cells such as B cells, macrophages, monocytes, and dendritic cells. It binds to ICOS on activated T cells, leading to both positive and negative effects on immune responses including its own down-regulation. The B7-H2 interaction with ICOS is costimulatory for T cell proliferation as well as the development of B cells, plasma cells, follicular helper T cells and germinal centers. B7-H2 contributes to the development of allergic asthma by enhancing Th2 biased immune responses, limiting Th17 responses, and promoting eosinophilic infiltration into the lung. Its activation of ICOS on Treg limits pulmonary inflammation and airway hyperresponsiveness, promotes the development of inhalational tolerance, and impairs antitumor immunity. In the thyroid, B7-H2 is up-regulated on thyrocytes during inflammation and promotes their proliferation and production of thryoid hormones.
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实验操作视频
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