普健生物（武汉）科技有限公司（AtaGenix）
Recombinant Human IL-1 beta/IL-1F2 protein ,C- His Tag
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- 产品信息（Product Details）
- 前沿进展（Frontier progress）
- 如何订购
- 说明书
概述（Summary）icon
英文全称
Recombinant Human IL-1 beta/IL-1F2 protein ,C- His Tag
纯度（Purity）
>90% as determined by SDS-PAGE
内毒素（Endotoxin level）
Please contact with the lab for this information.
蛋白构建（Construction）
A DNA sequence encoding the human IL1B(Ala117~Ser269) was fused with the C-terminal His Tag
Accession #
P01584
表达宿主（Host）
E.coli
种属（Species）
Homo sapiens (Human)
预测分子量（Predicted Molecular Mass）
18.29kDa
制剂（Formulation）
Supplied as solution form in PBS pH7.5 or lyophilized from PBS pH7.5.
运输方式（Shipping）
In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
稳定性&储存（Stability &Storage）
Use a manual defrost freezer and avoid repeated freeze thaw cycles.
Store at 2 to 8 °C for one week .
Store at -20 to -80 °C for twelve months from the date of receipt.
Store at 2 to 8 °C for one week .
Store at -20 to -80 °C for twelve months from the date of receipt.
复溶（Reconstitution）
Reconstitute in sterile water for a stock solution.A copy of datasheet will be provided with the products, please refer to it for details.
电泳图（SDS-PAGE image）icon
背景（Background）icon
背景介绍
Interleukin-1 beta (IL-1β) is also known as catabolin, is a cytokine protein that in humans is encoded by the IL1B gene. IL-1β precursor is cleaved by caspase 1 (interleukin 1 beta convertase). Cytosolic thiol protease cleaves the product to form mature IL-1 beta. IL1β are structurally related polypeptides that share approximately 21% amino acid (aa) identity in human. Both proteins are produced by a wide variety of cells in response to inflammatory agents, infections, or microbial endotoxins. While IL1α and IL1β are regulated independently, they bind to the same receptor and exert identical biological effects. IL-1β is a member of the interleukin 1 cytokine family. This cytokine is produced by activated macrophages as a proprotein, which is proteolytically processed to its active form by caspase 1 (CASP1/ICE). This cytokine is an important mediator of the inflammatory response, and is involved in a variety of cellular activities, including cell proliferation, differentiation, and apoptosis. The induction of cyclooxygenase-2 (PTGS2/COX2) by this cytokine in the central nervous system (CNS) is found to contribute to inflammatory pain hypersensitivity. This gene and eight other interleukin 1 family genes form a cytokine gene cluster on chromosome 2.
分子别名（Alternative Names）
IL1B,IL-1BETA,IL1F2,IL-1β
参考文献（References）
Borsini, Di Benedetto, Giacobbe, Pariante (2020) Pro- and anti-inflammatory properties of interleukin (IL6) in vitro: relevance for major depression and for human hippocampal neurogenesis The international journal of neuropsychopharmacology ()
Noteicon
For research use only .
Although the pro-inflammatory cytokine, interleukin (IL)6, has been generally regarded as "depressogenic", recent research has started to question this assumption, in light of the fact that this cytokine can also have anti-inflammatory properties. This bimodal action seems to be dependent on its concentration levels, and on the concomitant presence of other pro-inflammatory cytokines. We exposed a human hippocampal progenitor cell line HPC0A07/03C to cytokine levels described in depressed patients (IL6 5pg/ml with IL1β 10pg/ml or Macrophage Migration Inhibitory Factor (MIF) 300pg/ml), in healthy subjects (IL6 with IL1β, 1pg/ml or MIF 10pg/ml), as well as to the potentially anti-inflammatory, much higher concentrations of IL6 (50000pg/ml). Treatment with high concentrations of IL6 with IL1β or MIF (resembling depressed patients) decreases neurogenesis when compared with low concentrations of the same cytokines (healthy subjects), and that this is mediated via production of, respectively, IL8 and IL1β in cell supernatant. Instead, treatment with the very high, anti-inflammatory concentration of IL6 (50000pg/ml) together with high IL1β or MIF prevents the decrease in neurogenesis and reduces both IL8 and IL1β. When the high concentrations of both IL1β and MIF were used in co-treatment, as a model of treatment resistant depression, we also demonstrate a reduction in neurogenesis, and that this is mediated via a decrease in IL4; moreover, co-treatment with high IL1β and MIF and the very high concentration of IL6 prevents the reduction in neurogenesis, and increases IL4. Our results demonstrate that IL6 can exert both pro- and anti-inflammatory (potentially antidepressant) properties, depending on its concentrations and combinations with other inflammatory cytokines.
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