An alternate technique for isolation of Toxocara canis excretory-secretory antigens

The aim of the present study was to test the effectiveness of a sausage-casing membrane for dialysis of Toxocara excretory-secretory antigens (TES). The protein concentrated by the tested membrane was compared with that obtained using a Sigma commercial membrane, as were the protein fractions found...

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Veröffentlicht in:Brazilian Journal of Pharmaceutical Sciences 2011-03, Vol.47 (1), p.119-123
Hauptverfasser: Colli, Cristiane Maria, Elefant, Guita Rubinsky, Paludo, Marcia Liz, Guilherme, Ana Lúcia Falavigna
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Sprache:eng
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Zusammenfassung:The aim of the present study was to test the effectiveness of a sausage-casing membrane for dialysis of Toxocara excretory-secretory antigens (TES). The protein concentrated by the tested membrane was compared with that obtained using a Sigma commercial membrane, as were the protein fractions found by polyacrylamide gel electrophoresis. Standard positive and negative serum samples were evaluated in an ELISA immunoassay, and equivalent data were obtained in all steps, indicating that the sausage-casing membrane is efficient, besides being less expensive to process. O objetivo do presente estudo foi testar a eficácia de uma membrana utilizada para o preparo de embutidos, na obtenção do antígeno de excreção e secreção de Toxocara (TES). A concentração protéica foi comparada com a obtida com a membrana Sigma tanto quanto as frações protéicas separadas por eletroforese em gel de poliacrilamida. Amostras de soros padrão positivo e negativo foram avaliadas no teste imunoenzimático ELISA. Dados equivalentes foram observados em todas as etapas, sugerindo que a membrana possa ser utilizada para diálise por ser eficiente e de menor custo no preparo do antígeno.
ISSN:1984-8250
2175-9790
1984-8250
2175-9790
DOI:10.1590/S1984-82502011000100015