IL-7 Protein, Rat, Recombinant

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IL-7 Protein, Rat, Recombinant: 产品信息

纯度
> 90 % as determined by SDS-PAGE
内毒素
Please contact us for more information.
生物活性
Measured by its ability to bind rat IL7R-mFc (Cat:80083-R05H) in a functional ELISA.
蛋白构建
A DNA sequence encoding the rat IL7 (Q91Y32) (Asp26-Ile154) was expressed and purified with an initial Met.
NCBI Reference No.
表达宿主
E. coli
种属
Rat
预测 N 端
Met
分子量
The recombinant rat IL7 consists of 130 amino acids and has a predicted molecular mass of 15 kDa. The apparent molecular mass of the recombinant protein is approximately 17 kDa in SDS-PAGE under reducing conditions.
缓冲液
Lyophilized from sterile PBS, pH 7.4.
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
运输方式
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
稳定性 & 储存条件
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
复溶
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

IL-7 Protein, Rat, Recombinant: 图片

IL-7 背景信息

IL7, also known as interleukin 7, is a hematopoietic growth factor which belongs to the IL-7/IL-9 family. It is secreted by stromal cells in the bone marrow and thymus. IL7 stimulates the proliferation of lymphoid progenitors. It is important for proliferation during certain stages of B-cell maturation. IL7 and the hepatocyte growth factor (HGF) form a heterodimer that functions as a pre-pro-B cell growth-stimulating factor. It is found to be a cofactor for V(D)J rearrangement of the T cell receptor beta (TCRß) during early T cell development. IL7 can be produced locally by intestinal epithelial and epithelial goblet cells, and may serve as a regulatory factor for intestinal mucosal lymphocytes.
全称
interleukin 7
参考文献
  • Watanabe M, et al. (1995) Interleukin 7 is produced by human intestinal epithelial cells and regulates the proliferation of intestinal mucosal lymphocytes.
  • J Clin Invest. 95(6):2945-53. Sawa Y, et al. (2009) Hepatic interleukin-7 expression regulates T cell responses. Immunity. 30 (3):447-57.
  • Flad HD, et al. (1996) Human follicular dendritic cells and vascular cells produce interleukin-7: a potential role for interleukin-7 in the germinal center reaction. Eur J Immunol. 26(10): 2541-4.
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