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重组人白细胞介素-21（rhIL-21，IL21） #4021
重组人白细胞介素-21（rhIL-21，IL21） #4021
| 产品名称： |
Recombinant Human IL-21 |
| 货号： |
4021 |
| 规格： |
50ug |
| 描述： |
IL-21 is a pleiotropic cytokine produced by CD4+ T cells in response to antigenic stimulation. Its action generally enhances antigen-specific responses of immune cells. The biological effects of IL-21 include: inducing the differentiation of T cell-stimulated B cells into plasma cells and memory B cells; the stimulation of IgG production in conjunction with IL-4; and the induction of apoptotic effects in naïve B cells and stimulated B cells in the absence of T cell signaling. IL-21 promotes the anti-tumor activity of CD8+ T cells and NK cells. IL-21 exerts its effect through binding to a specific type I cytokine receptor, IL-21R, which also contains the γ chain (γc) found in other cytokine receptors, including IL-2, IL-4, IL-7, IL-9 and IL-15. Recombinant Human IL-21 is a 15.4 kDa protein consisting of 132 amino acid residues. |
| 来源： |
E.coli |
| 纯度： |
大于90% |
| 活性： |
大于2 ×106 IU / mg |
| Accession： |
Q9HBE4 |
| 标签： |
无 |
| 内毒素： |
小于0.1 EU / mg |
| 种属： |
Human |
| 性质： |
Recombinant |
| 剂型： |
冻干粉 |
| 保存条件： |
4℃ ，长期保存于 -20℃ |
| 有效期： |
三年 |
| 复溶： |
无菌水复溶。复溶后分装保存于-20℃，避免反复冻融；或者在4℃可保存7天。 |
| |
无动物源成分 |
| |
仅用于科学研究使用 |
