| 货号 | 产品名称 | 规格 | 库存 | 价格 | 数量 | 购买 |
|---|---|---|---|---|---|---|
| KR0192 | IL-33, Human, Recombinant | 10ug |
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| 分子量 | 18.1 kDa |
|---|---|
| 表观分子量 | 18 kDa |
| 片段与标签 | Ser112-Thr270 |
| 物种 | Human |
| 表达宿主 | E.coli |
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°C, though stable at room temperature for 3 weeks.Reconstituted Protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at ＜ -20°C for 3 months. |
产品介绍
Interleukin-33 (IL-33) was initially discovered as a nuclear factor NF-HEV abundantly expressed in high endothelial venules. It is a 30-32 kD pro-inflammatory Protein with intracellular and extracellular activities and a chromatin-associated Cytokine of the IL-1 family with high sequence and structural similarity to IL-1 and IL-18. IL-33 is highly and selectively expressed by high endothelial venule endothelial cells (HEVECs) in human tonsils, Peyers's patches, and lymph nodes. It contains a bipartite nuclear localization signal at the C-terminus, and is targeted to the nucleus when ectopically expressed in human umbilical vein endothelial cells (HUVECs) and HeLa cells. The C-terminal fragment, corresponding to mature IL-33, binds and triggers signaling. IL-33 mediates its biological effects via Toll-Interleukin 1 (IL-1) Receptor (TIR) domain-containing Receptor ST2, activates NF-kappaB and MAP kinases, and drives production of T (H)2-associated Cytokines from in vitro polarized T (H)2 cells. In vivo, IL-33 induces the expression of IL-4, IL-5, and IL-13 and leads to severe pathological changes in mucosal organs. Human IL-33 is 270 amino acids in length.
