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Validation and comparison of luminex multiplex cytokine analysis kits with ELISA: Determinations of a panel of nine cytokines in clinical sample culture supernatants
Published Web Locationhttps://doi.org/10.1016/j.jri.2005.03.005
ProblemAnalyses of the expression pattern of multiple cytokines are frequently required for characterization of the status of the immune system as it pertains to Th type bias and intrinsic levels of inflammation. Classically, analysis of cytokine expression patterns has been performed by enzyme-linked immunosorbent assays (ELISA) for each separate analyte. A new technology, Luminex MAP, facilitates the simultaneous evaluation of multiple immune mediators with advantages of higher throughput, smaller sample volume, and lower cost. Validation of this technology has been limited to small sample sets, limited use of clinical study specimens, and use of non-commercial reagents.
MethodsNinety-six specimens from women over the course of their respective pregnancies were evaluated for cytokine concentrations using commercially available ELISA kits and commercially available Luminex MAP kits according to the manufacturers' directions. Correlations between data sets were evaluated using Pearson's correlation coefficient (r).
ResultsExcellent correlations were demonstrated for IL-1 beta, IL-4, IL-5, IL-6, IL-10, IFN gamma, and TNF alpha, in contrast to IL-12 p 70 and IL-13.
ConclusionsLuminex multiplex technology has distinct advantages and is a valid alternative method to ELISA for the evaluation of the majority of cytokines tested and for the characterization of immune system status.
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