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May be stored for twelve months without detectable loss of activity. Protect from prolonged exposure to light and do not freeze. Sodium azide is toxic to cells and should be disposed of properly so flush with large volumes of water during disposal.
IL-33 (Interleukin-33) is a 270 amino acid, highly divergent protein belonging to the IL-1 family with an IL-1-like C-terminal domain. IL-33 is a dual function protein that may function both as a proinflammatory cytokine and an intracellular nuclear factor with transcriptional regulatory properties. IL-33 binds to and signals through IL1RL1/ST2 and its stimulation recruits MYD88, IRAK1, IRAK4, and TRAF6. IL-33 activates NF-kappaB and MAP kinases, and drives production of TH2-associated cytokines from in vitro polarized TH2 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. IL-33 is proteolytically converted to a mature form by CASP1 and is highly expressed in high endothelial venules found in tonsils, Peyer's patches and mesenteric lymph nodes and is almost undetectable in placenta. Prolonged IL-33 treatment of mice led to the development of eosinophilia, splenomegaly, and severe pathological changes in mucosal organs such as lungs, esophagus and small intestine. Recent experiments have shown that IL-33 can also co-localize with heterochromatin and possesses transcriptional repressor activities, indicating that IL-33 may function as both a proinflammatory cytokine and an intracellular nuclear factor with transcriptional regulatory properties. Despite its predicted molecular weight, IL-33 will often run at higher molecular weight in SDS-PAGE. Studies have shown that IL-33 can also co-localize with heterochromatin and possesses transcriptional repressor activities, indicating that IL-33 may function as both a proinflammatory cytokine, and an intracellular nuclear factor with transcriptional regulatory properties.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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蛋白别名: DVS27-related protein; growth stimulation-expressed; H-IL-33; homolog of mouse growth stimulation-expressed; IL-1F11; IL-33; ILN; Interleukin; interleukin 1 receptor-like 1; interleukin 1 receptor-related protein; Interleukin-1 family member 11; Interleukin-1 receptor-like 1; Interleukin-33; Interleukin33; NF-HEV; nuclear factor for high endothelial venules; Nuclear factor from high endothelial venules; Protein ST2; RP11-575C20.2
基因别名: C9orf26; DER4; DVS27; FIT-1; IL1F11; IL1RL1; IL33; IL33R; NF-HEV; NFEHEV; NFHEV; ST2; ST2L; ST2V; T1
UniProt ID: (Human) Q01638, (Human) O95760
Entrez Gene ID: (Human) 9173, (Human) 90865