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人 IL18BP / IL18BPa ELISA Pair Set

    產品資料評論相關產品實驗方法
     IL18BP 組成成分
    Capture Ab:1 mg/mL of mouse anti-Human IL18BP / IL18BPa monoclonal antibody (in PBS, pH 7.4). Dilute to a working concentration of 2 μg/mL in PBS before coating. (Catalog: # 10357-MM02)
    檢測抗體:0.2 mg/mL of rabbit anti-Human IL18BP / IL18BPa polyclonal antibody conjugated to horseradish-peroxidase (HRP) (in PBS, 50 % HRP-Protector, pH 7.4, store at 4℃). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use.
    標準品:Each vial contains 47 ng of recombinant Human IL18BP / IL18BPa. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 3000 pg/mL is recommended.
     IL18BP 檢測靈敏度
    The minimum detectable dose of Human IL18BP / IL18BPa was determined to be approximately 46.88 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
     IL18BP 產品介紹
    The Human IL18BP / IL18BPa ELISA Pair Set is for the quantitative determination of Human IL18BP / IL18BPa.
    The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for Human IL18BP / IL18BPa coated on a 96-well plate. Standards and samples are added to the wells, and any Human IL18BP / IL18BPa present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated rabbit anti-Human IL18BP / IL18BPa polyclonal antibody is then added, producing an antibody-antigen-antibody "sandwich". The wells are again washed and TMB substrate solution is loaded, which produces color in proportion to the amount of Human IL18BP / IL18BPa present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
     IL18BP 儲存方法
    IL18BP / IL18BPa 研究背景

    Interleukin-18-binding protein (IL-18BP) is a constitutively expressed and secreted protein. IL-18BP is a cytokine receptor that belongs to the interleukin 1 receptor family. This receptor specifically binds interleukin 18 (IL18), and is essential for IL18 mediated signal transduction. IFN-alpha and IL12 are reported to induce the expression of this receptor in NK and T cells. This gene along with four other members of the interleukin 1 receptor family, including IL1R2, IL1R1, ILRL2 (IL-1Rrp2), and IL1RL1 (T1/ST2), form a gene cluster on chromosome 2q. The adjacently located family members IL18 Receptor 1 (IL18R1) and IL18 receptor accessory protein (IL18RAP) may also be important in the development of asthma and atopy. IL-18 binding protein (IL-18BP) was only moderately elevated, resulting in a high level of biologically active free IL-18 in HPS. A severe IL-18/IL-18BP imbalance results in Th-1 lymphocyte and macrophage activation, which escapes control by NK-cell cytotoxicity and may allow for secondary HPS in patients with underlying diseases.

     IL18BP / IL18BPa 參考資料
  • Novick D, et al.. (2001) A novel IL-18BP ELISA shows elevated serum IL-18BP in sepsis and extensive decrease of free IL-18. Cytokine. 14(6): 334-42.
  • Mazodier K, et al.. (2005) Severe imbalance of IL-18/IL-18BP in patients with secondary hemophagocytic syndrome. Blood. 106(10): 3483-9.
  • Akira S. (2000) The role of IL-18 in innate immunity. Curr Opin Immunol. 12(1): 59-63.
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    貨號: SEKA10357-15
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