Antibody response to the 43 kDa glycoprotein of Paracoccidioides brasiliensis as a marker for the evaluation of patients under treatment

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Mendes-Giannini, Maria José Soares [UNESP]
Bueno, J. P.
Aparecida Shikanai-Yasuda, M.
Stolf, A. M S
Masuda, A.
Amato Neto, V.
Ferreira, A. W.

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Sera of patients with paracoccidioidomycosis contained IgG-, IgA-, and IgM-specific antibodies to a 43 kDa antigen contained in the filtrate of a culture of Paracoccidioides brasiliensis. IgG- and IgA-specific antibodies were present in all observed patients. The IgM response was more frequent in acute cases, and the mean titers of IgG- and IgM-specific antibodies were higher in the acute forms. By the fourth month of chemotherapy, there was a decay of IgG, IgA, and IgM antibody titers to this antigen in acute cases, correlating with clinical improvement. The detection of IgG and IgA antibodies and the sequential determination of antibodies to the 43 kDa glycoprotein may be useful tools for serodiagnosis and evaluation of therapeutic efficacy.



amphotericin b, ketoconazole, sulfadiazine, sulfamethoxypyridazine, fungus, human, human cell, immunoglobulin blood level, paracoccidioides brasiliensis, priority journal, south american blastomycosis, Analysis of Variance, Antibodies, Fungal, Antigens, Fungal, Electrophoresis, Polyacrylamide Gel, Enzyme-Linked Immunosorbent Assay, Glycoproteins, Human, Immunoblotting, Immunoglobulin A, Immunoglobulin G, Immunoglobulin M, Immunoglobulins, Mitosporic Fungi, Paracoccidioides, Paracoccidioidomycosis, Support, Non-U.S. Gov't, Fungi, Paracoccidioides brasiliensis

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American Journal of Tropical Medicine and Hygiene, v. 43, n. 2, p. 200-206, 1990.