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  • Procell-IL-33, Human, Recombinant

IL-33, Human, Recombinant

货号:PCK191

价格:¥1780¥4980¥24080¥35580

规格:
10µg
  • 10µg
  • 50µg
  • 500µg
  • 1mg
数量: - +
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 Ser112-Thr270
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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