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Invitrogen
Porcine IL-1 beta Recombinant Protein
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产品信息
RPIL1BI
产品规格
分类
Recombinant
类型
Protein
偶联物
Unconjugated
Unconjugated
Unconjugated
形式
Lyophilized
Amount
20 µg
保存条件
4°C
运输条件
Wet ice
产品详细信息
For protein verification, the expressed protein was N-terminal sequenced and begins with the following 10 amino acids: EAEAANVQSM. The EAEA portion showed incomplete cleavage of the alpha-Factor signal by the Ste 13 protease. Purity is >95% by SDS-PAGE analyses.
Mature porcine IL-1b was expressed in Pichia pastoris, KM71H. GenBank Accession # P26889, amino acids 115 - 267.
Activity: The biological activity of recombinant porcine IL-1 beta was determined by measuring the proliferation of mouse D10S cells. For in vitro applications a dose-response assay should be performed to determine the optimal concentration for specific experiments.
Reconstitution and Dilution: Store lyophilized material at 4°C. Reconstitute in 0.5 mL of distilled or deionized water. Dilute in a buffer-containing carrier protein, aliquot, and store at or below -70°C, avoiding multiple freeze-thaw cycles. PBS with 1% BSA or a neutral media containing <10% FCS are suitable buffers.
靶标信息
Interleukin-1 beta (IL-1 beta) is a proinflammatory cytokine expressed by monocytes, macrophages, and dendritic cells. IL-1 beta is synthesized in response to inflammatory stimuli as a 31 kDa inactive pro-form that accumulates in the cytosol. Cleavage of pro-IL-1 beta into the active 17 kDa protein requires the activation of inflammasomes, which are multi-protein complexes that respond to pathogens, stress conditions, and other danger signals. Inflammasome activation triggers the processing of the caspase-1 precursor into its active form, which in turn cleaves pro-IL-1 beta. IL-1 beta lacks a signal sequence peptide for classical ER/Golgi pathway and is secreted alongside caspase-1 via an alternate and incompletely understood mechanism. Although IL-1 beta is most often secreted in its active form, secretion of the uncleaved protein may be detectable under some biological conditions. IL-1 beta signals through two receptors, IL-1RI and IL-1RII, both of which are shared with IL-1 alpha. IL-1 beta activity can be moderated by IL-1 Receptor Antagonist (IL-1RA), a protein produced by many cell types that blocks receptor binding through competitive inhibition. IL-1 beta play an important role in innate host defense by triggering the production of other proinflammatory cytokines in target cells and initiating acute-phase responses to infection and injury. Elevated levels of IL-1 beta have been associated with many chronic inflammatory conditions IL-1 beta neutralizing antibodies potential therapeutic value.
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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