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The electrophoretic characterization on SDS-PAGE gels of Paracoccidioides brasiliensis antigens, strains 2511 and 6688; and the additional use of immunoblotting has permitted in this study to identify the immunogenic, sensitive and specific antigen fractions for the diagnosis of Paracoccidioidomycosis. The antigenic preparations showed differences depending… (More)
Twenty seven autochtonous isolates of Cryptococcus neoformans from different parts of the country were studied. The analysis indicated the following serotype distribution: 63% Serotype A, 29.6% Serotype B, 3.7% Serotype D and 3.7% belonging to C. neoformans var gattii.
A seroepidemiologic study was carried out in humans inhabiting southeastern Puerto Rico, the area on this island with highest prevalence of canine heartworm, to detect the presence of antibodies to Dirofilaria immitis. Three hundred serum samples were analyzed by enzyme-linked immunosorbent assay (ELISA) using somatic antigens of the adult worm. Serum… (More)
The study of serotyping of isolates of Candida albicans of clinical material obtained from different geographic areas of Venezuela suggest that serotype A is predominant over type B. These results are in relation with results obtained in other countries. Type A serotype is predominant in 57 to 100% in the areas studied. Only in 2 cities serotype B was… (More)