Anti-IL18 Antibody, Rabbit Polyclonal

产品编号:PA00257HuA10
   
询价

规格     50uL  100uL  200uL  可选
产品名称Anti-IL18 Antibody, Rabbit Polyclonal
 
经验证的应用:WB/ICC

交叉反应Hu
 
特异性human IL18
 
免疫原Recombinant human IL18 protein, fragment Tyr37~Asp193; UniprotKB: Q14116

制备方法Produced in rabbits immunized with human IL18, and purified by antigen affinity chromatography.

来源Polyclonal Rabbit IgG
 
纯化Immunogen affinity purified
 
缓冲液Supplied in PBS, 50% glycerol and less than 0.02% sodium azide, PH7.4
 
偶联物Unconjugated
 
状态Liquid
 
运输方式This antibody is shipped as liquid solution at ambient temperature. Upon receipt, store it immediately at the temperature recommended.
 
储存条件This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Preservative-Free. Avoid repeated freeze-thaw cycles.

图片:








Figure1.Western blot analysis of extracts of various cell lines and tissue, using IL18 antibody (PA00257HuA10) at 1:1000 dilution.Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L)  at 1:10000 dilution. 







别称IGIF, IL-1g, IL1F4, IL1-F4, Interferon-Gamma-Inducing Factor, Interleukin-1 Family Member 4, Iboctadekin, Interleukin-1 Gamma

背景信息IL-18/IL-1F4. Interleukin-18 (IL-18) is a proinflammatory cytokine in the IL-1 family that exerts distinct immune effects depending on the local cytokine environment. It is expressed as a 24 kDa precursor by endothelial and epithelial cells, keratinocytes,  gamma δ T cells, and phagocytes. The precursor is activated intracellularly by Caspase-1 mediated proteolysis to release the 17 kDa mature cytokine. The precursor can also be released by necrotic cells for extracellular cleavage by multiple proteases.IL-18 activation is induced by infection or tissue damage and contributes to disease pathology in chronic inflammation (1-3). IL-18 binds to the widely expressedIL-18 R alpha  which recruits IL-18 R beta  to form the signaling receptor complex (4, 5). Its bioactivity is negatively regulated by interactions with IL-18 binding proteins and virally encoded IL-18BP homologs (6). In the presence of IL-12 or IL-15, IL-18 enhances anti-viral Th1 immune responses by inducing IFN-gamma  production and the cytolytic activity of CD8+ T cells and NK cells (7, 8). In the absence of IL-12 or IL-15, however, IL-18 promotes production of the Th2 cytokines IL-4 and IL-13 by CD4+ T cells and basophils (9, 10). In the presence of IL-1 beta  or IL-23, IL-18 induces the antigen-independent production of IL-17 by  gamma δ T cells and CD4+ T cells (11).IL-18 also promotes myeloid dendritic cell maturation and triggers neutrophil respiratory burst (12, 13). In cancer, IL-18 exhibits diverse activities including enhancing anti-tumor immunity, inhibiting or promoting angiogenesis, and promoting tumor cell metastasis (14). Mature human IL-18 shares approximately 63% amino acid sequence identity with mouse and rat IL-18 (15). Alternative splicing in human ovarian cancer generates an isoform that is resistant to Caspase-1 activation (16). A cell surface form can be expressed on M-CSF induced macrophages and released in response to bacterial endotoxin (17).

全称:Interleukin-18 (IL18)

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