IL-33, Human, Recombinant
货号：PCK191
价格：¥1780¥4980¥24080¥35580
规格：
10µg
- 10µg
- 50µg
- 500µg
- 1mg
- 产品概述
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产品概述
产品信息
| 别名 | Interleukin-33; IL-33; Interleukin-1 Family Member 11; IL-1F11; Nuclear Factor From High Endothelial Venules; NF-HEV; IL33; C9orf26; IL1F11; NFHEV |
| 物种 | Human |
| 表达宿主 | E.coli |
| 序列信息 | asd |
| 检索号 | O95760 |
| 分子量 | 18.1 kDa |
| 表观分子量 | 18 kDa |
| 生物活性 | Testing in progress |
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 TrisHCl, 150mM NaCl, pH 7.5. |
| 复融 | Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 μg/ml. Dissolve the lyophilized protein in distilled water Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
背景介绍
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.
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