alexa HLA antibody detection and characterization by solid phase immunoassays: methods and pitfalls.
Clinical Research

Clinical Research

Journal of Clinical and Experimental Transplantation

Author(s): Zachary AA, Vega RM, Lucas DP, Leffell MS

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Abstract Solid phase immunoassays for the detection and characterization of HLA-specific antibodies provide greatly increased sensitivity, specificity, and time and reagent efficiency, compared to the traditionally used cell-based methods. Testing is performed using commercially available test kits. The assays are of two general types: enzyme-linked immunosorbent assays and multianalyte bead. The types vary in both sensitivity and equipment requirements.While these assays afford great improvement over the cell-based assays, they can be confounded by interference from substances within the serum that result in high background reactivity. The high sensitivity of the assays also makes them more susceptible to environmental factors and operator variability. The user must be aware of the capabilities of the various formats, the factors that can affect test results, and lot to lot variability of any single product. Knowledge of the characteristics of each product and thorough and accurate analysis of the results are essential to the utility of these assays. This article was published in Methods Mol Biol and referenced in Journal of Clinical and Experimental Transplantation

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