Use este identificador para citar ou linkar para este item: https://observatorio.fm.usp.br/handle/OPI/45970
Título: Toxocara canis 30-35 kDa excretory-secretory antigen is an important marker in mice challenged by inocula containing different parasite load levels
Autor(es): FONSECA, Gabriela Rodrigues eCORRAL, Marcelo AndreettaPAULA, Fabiana Martins deMEISEL, Dirce Mary Correia LimaGRYSCHEK, Ronaldo Cesar BorgesLESCANO, Susana Angelica Zevallos
Parte de: REVISTA DO INSTITUTO DE MEDICINA TROPICAL DE SAO PAULO, v.64, article ID e9, 5p, 2022
Resumo: The Western-blotting technique was applied to identify antigenic fractions of excretory-secretory Toxocara canis antigen recognized by IgG antibodies throughout an experimental infection in mice challenged by different inocula. Mice were inoculated with 5, 50 and 500 embryonated eggs and serum samples were collected 15, 30, 60, 90 and 120 days post-infection. Serum samples were analyzed using an excretory-secretory Toxocara antigen. Antibodies recognized antigenic fractions from 30 to 90 kDa. The protein fraction of 30-35 kDa was the most frequently recognized regardless of the size of inoculum and the stage of infection represented by the different collection times, but the antigenic recognition was more evident in groups infected with 50 and 500 eggs. This study presents an antigenic panel of the excretory secretory antigen of T. canis and suggests that the 30-35 kDa antigenic fraction is a promising marker of the infection and should be further explored in future studies on experimental toxocariasis.
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Artigos e Materiais de Revistas Científicas - FM/MIP
Departamento de Moléstias Infecciosas e Parasitárias - FM/MIP

Artigos e Materiais de Revistas Científicas - IMT
Instituto de Medicina Tropical - IMT

Artigos e Materiais de Revistas Científicas - LIM/06
LIM/06 - Laboratório de Imunopatologia da Esquistossomose e outras Parasitoses


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