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产品名称
起订量
单价(含增值税)
库存(PCS)
起订数量
产品概述
产品信息
| 别名 | Tumor Necrosis Factor; Cachectin; TNF-Alpha; Tumor Necrosis Factor Ligand Superfamily Member 2; TNF-a; Tumor Necrosis Factor; Membrane Form; Tumor Necrosis Factor; Soluble Form; Tnf; Tnfa; Tnfsf2 |
| 物种 | Human |
| 表达宿主 | E.coli |
| 序列信息 | Val77-Leu233 |
| 检索号 | P01375 |
| 分子量 | 17.3 kDa |
| 表观分子量 | 16 kDa |
| 生物活性 | Measured in a cytotoxicity assay using L?929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is less than 0.1 ng/ ml. |
产品特性
| 纯度 | >95% as determined by reducing SDS-PAGE. |
| 内毒素 | < 1.0 EU per μg as determined by LAL test. |
| 保存 | Lyophilized Protein should be stored at < -20℃, though stable at room temperature for 3 weeks. Reconstituted Protein solution can be stored at 4-7℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| 运输 | The product is shipped at ambient temperature.Upon receipt, store it immediately at the temperature listed below. |
| 制剂 | Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.0. |
| 复融 | Please refer to it for detailed information. |
背景介绍
TNFα is a homotrimer with a subunit molecular mass of 17 kD Cytokine that binds to TNFRSF1A/ TNFR1 and TNFRSF1B/ TNFBR. It is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. It plays a major role in growth regulation, differentiation, inflammation, viral replication, tumorigenesis, autoimmune diseases and in viral, bacterial, fungal, and parasitic infections. Besides inducing hemorrhagic necrosis of tumors, TNF was found to be involved in tumorigenesis, tumor metastasis, viral replication, septic shock, fever, inflammation, and autoimmune diseases including Crohn’s disease, and rheumatoid arthritis as well as graft-versus-host disease.
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