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- bs-2621R
- 2025年10月16日
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50ul/100ul/200ul
| 规格： | 50ul | 产品价格： | ￥1180.0 |
|---|---|---|---|
| 规格： | 100ul | 产品价格： | ￥1980.0 |
| 规格： | 200ul | 产品价格： | ￥2800.0 |
| 产品编号 | bs-2621R |
| 英文名称 | IL21 Rabbit pAb |
| 中文名称 | 白介素21抗体 |
| 英文别名 | Interleukin 21; Interleukin21; IL 21; IL-21; Za11; Interleukin-21; interleukin-21 isoform; IL21_HUMAN. |
| 产品应用 | WB=1:500-2000, ELISA=1:5000-10000 Not yet tested in other applications. |
| 交叉反应 | Human (Mouse, Rat, Dog, Pig, Cow) |
| 抗体来源 | Rabbit |
| 免疫原 | KLH conjugated synthetic peptide derived from human IL-21 |
| 亚型 | IgG |
| 性状 | Liquid |
| 纯化方法 | affinity purified by Protein A |
| 克隆类型 | Polyclonal |
| 理论分子量 | 18 kDa |
| 浓度 | 1mg/ml |
| 储存液 | 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. |
| 亚细胞定位 | Secreted. |
| 组织特异性 | Expressed in activated CD4-positive T-cells but not in CD8-positive T-cells, B-cells, or monocytes. |
| 相似性 | Belongs to the IL-15/IL-21 family. |
| 功能 | Cytokine with immunoregulatory activity. May promote the transition between innate and adaptive immunity. Induces the production of IgG(1) and IgG(3) in B-cells. May play a role in proliferation and maturation of natural killer (NK) cells in synergy with IL15. May regulate proliferation of mature B- and T-cells in response to activating stimuli. In synergy with IL15 and IL18 stimulates interferon gamma production in T-cells and NK cells. During T-cell mediated immune response may inhibit dendritic cells (DC) activation and maturation. |
| 保存条件 | Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | IL-21 is a typical family I cytokine with broad pleiotropic actions and is primarily produced by T follicular helper cells, Th17, and natural killer T cells in response to antigenic stimulation. Il-21 generally enhances antigen-specific responses of immune cells. It controls the activation, proliferation, differentiation, cytotoxicity, and survival of various target immune cells. Additionally, IL-21 promotes the anti-tumor activity of CD8+ T-cells and NK cells. IL-21 elicits its effect through binding to IL-21R, which also contains the gamma chain found in other cytokine receptors such as IL-2, IL-4, IL-7, IL-9 and IL-15. IL-21/IL-21R interaction triggers a cascade of events, which includes activation of the tyrosine kinases JAK1 and JAK3, followed by activation of the transcription factors STAT1 and STAT3. Recombinant Human IL-21 is a 15.4 kDa protein consisting of 132 amino acid residues. |
| 应用 | 推荐稀释比例 |
| {WB} | {1:500-2000} |
| {ELISA} | {1:5000-10000} |
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文献和实验[IF={{ 3.06 }}] {Guan, Li-juan, et al. "Increased IL-21/IL-21R expression and its proinflammatory effects in autoimmune thyroid disease." Cytokine 72.2 (2015): 160-165.} {IHC} {="Human"}
[IF={{ 1.26 }}] {Gong, Qiaoqiao, et al. "Increased levels of CCR7 (lo) PD‑1 (hi) CXCR5+ CD4+ T cells, and associated factors Bcl‑6, CXCR5, IL‑21 and IL‑6 contribute to repeated implantation failure." Experimental and Therapeutic Medicine 14.6 (2017): 5931-5941.} {IHC} {="Human"}
[IF={{ 1.26 }}] {Ma et al. Effect of follicular helper T cells on the pathogenesis of asthma. (2017) Exp.Ther.Me. 14:967-972} {IHC} {Mouse}
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carbon fiber electrodes for the detection of nitric oxide. Anal. Chem. 68: 2621‐2628. Hecker, M., Mülsch, A., and Busse, R. 1994. Sub‐cellular localization and characterization
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