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首页> 外文期刊>Journal of immunoassay >A method for correcting for the variability of inhibitory effects of soluble human interleukin 1 receptor II measured by different ELISAS.
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A method for correcting for the variability of inhibitory effects of soluble human interleukin 1 receptor II measured by different ELISAS.

机译:一种通过不同的ELISAS校正可溶性人白介素1受体II抑制作用变异性的方法。

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摘要

Seven ELISAs were developed by using several combinations of anti-human IL-1beta antibodies for detecting interleukin 1beta (IL-1beta) in cell culture supernatants. These ELISAs have different sensitivities in detecting standard preparations of recombinant human IL-1beta (WHO reference standard) compared with conventional preparations of IL-1beta produced by stimulated human peripheral blood mononuclear cells. The observed differences were attributed to differences in epitope specificity of the various monoclonal antibodies used and the heterogeneity of IL-1beta secreted into culture supernatants. The presence of soluble IL-1 receptor type I did not alter the levels of IL-1beta detected by these ELISAs. However, soluble IL-1 receptor type II interfered with the detection of IL-1beta to different degrees in these ELISAs. A method involving standarization by means of separate measurement of the amount of receptor and its inhibitory effect in the IL-1beta ELISA, yields consistent estimates of the correct IL-1beta levels.
机译:通过使用几种抗人IL-1beta抗体组合开发了7种ELISA,用于检测细胞培养上清液中的白介素1beta(IL-1beta)。与通过刺激的人外周血单核细胞产生的常规IL-1beta制剂相比,这些ELISA在检测重组人IL-1beta的标准制剂(WHO参考标准)方面具有不同的敏感性。观察到的差异归因于所使用的各种单克隆抗体的表位特异性差异以及分泌到培养上清液中的IL-1β的异质性。 I型可溶性IL-1受体的存在不会改变通过这些ELISA检测到的IL-1beta的水平。但是,在这些ELISA中,II型可溶性IL-1受体在不同程度上干扰了IL-1beta的检测。一种通过单独测量受体的量及其在IL-1beta ELISA中的抑制作用进行标准化的方法,可以得出对正确的IL-1beta水平的一致估计。

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