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The application of protein microarray assays in psychoneuroimmunology

机译:蛋白质芯片检测技术在神经神经免疫学中的应用

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摘要

Protein microarrays are miniaturized multiplex assays that exhibit many advantages over the commonly used enzyme-linked immunosorbent assay (ELISA). This article aims to introduce protein microarrays to readers of Brain, Behavior, and Immunity and demonstrate its utility and validity for use in psychoneuroimmunological research. As part of an ongoing investigation of psychological and behavioral influences on influenza vaccination responses, we optimized a novel protein microarray to quantify influenza-specific antibody levels in human sera. Reproducibility was assessed by calculating intra- and inter-assay coefficients of variance on serially diluted human IgG concentrations. A random selection of samples was analyzed by microarray and ELISA to establish validity of the assay. For IgG concentrations, intra-assay and inter-assay precision profiles demonstrated a mean coefficient of variance of 6.7% and 11.5% respectively. Significant correlations were observed between microarray and ELISA for all antigens, demonstrating the microarray is a valid alternative to ELISA. Protein microarrays are a highly robust, novel assay method that could be of significant benefit for researchers working in psychoneuroimmunology. They offer high throughput, fewer resources per analyte and can examine concurrent neuro-immune-endocrine mechanisms.
机译:蛋白质微阵列是小型化的多重分析,与常用的酶联免疫吸附测定(ELISA)相比,具有许多优势。本文旨在向脑,行为和免疫的读者介绍蛋白质微阵列,并证明其在心理神经免疫学研究中的效用和有效性。作为对流感疫苗接种反应的心理和行为影响进行的一项持续调查的一部分,我们优化了一种新型蛋白质微阵列,以量化人血清中流感特异性抗体的水平。通过计算连续稀释的人IgG浓度的测定内和测定间变异系数来评估可重复性。通过微阵列和ELISA分析样品的随机选择,以建立测定的有效性。对于IgG浓度,测定内和测定间精密度图分别显示了6.7%和11.5%的平均变异系数。对于所有抗原,在微阵列和ELISA之间观察到显着相关性,表明微阵列是ELISA的有效替代方法。蛋白质微阵列是一种高度健壮的新型测定方法,对于从事神经神经免疫学研究的研究人员可能具有重大益处。它们提供高通量,每种分析物的资源更少,并且可以检查并发的神经免疫内分泌机制。

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