Abstract
A restrospective single blind study was conducted to compare the efficacy of crossed-immunoelectrophoresis using concanavalin A intermediate gel with double immunodiffusion tests in the diagnosis of invasive candidiasis. On the basis of cytoplasmic antibody detection, crossed-immunoelectrophoresis with concanavalin A differentiated reliably betweenCandida albicans fungemia and invasive candida infection, whereas double immunodiffusion did not. With regard to sensitivity, specificity, and predictive value crossed-immunoelectrophoresis with concanavalin A was superior to double immunodiffusion. Analysis of double immunodiffusion precipitin bands revealed fuzzy and sharp precipitin bands which corresponded to mannan (fuzzy) and cytoplasmic (sharp) antibodies in the crossed-immunoelectrophoresis with concanavalin A assay. Therefore, the finding of sharp bands in the double immunodiffusion procedure supports the diagnosis of invasive candidiasis.
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Vanmali, A.N., Lentnek, A.L., Franco, J. et al. Comparison of immunodiffusion and crossed-immunoelectrophoresis in the diagnosis of invasive candidiasis. Eur. J. Clin. Microbiol. 2, 206–212 (1983). https://doi.org/10.1007/BF02029517
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DOI: https://doi.org/10.1007/BF02029517