Human brucellosis: immunoblotting analysis of three Brucella abortus antigenic fractions allows the detection of components of diagnostic importance - PubMed (original) (raw)
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- PMID: 1726568
Human brucellosis: immunoblotting analysis of three Brucella abortus antigenic fractions allows the detection of components of diagnostic importance
F A Goldbaum et al. Medicina (B Aires). 1991.
Abstract
Results indicating that analysis of the immune humoral response of brucellosis patients by immunoblotting provides useful information for the characterization of antigenic fractions of possible diagnostic importance in human brucellosis are presented. Sera of 90 patients were obtained: 23 suffering from chronic brucellosis, 20 from acute brucellosis and 47 belonging to the group of serologically positive individuals (SPI) without clinical evidence of active infection at the time of examination, and 35 healthy volunteers. They were tested against three antigenic fractions: cytoplasmic (CYT), outer membrane (OM) and inner membrane (IM). These fractions, which include virtually all the bacterial protein components, were prepared from Brucella abortus 1119/3 strain by detergent solubilization, enzymatic digestion and ultracentrifugation. Results obtained with these fractions showed the existence of antigens that permit the detection of brucellosis patients and their differentiation from SPI patients, with very high sensitivity.
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