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Revista Latinoamericana de Microbiología

2000, Número 3

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Microbiología 2000; 42 (3)


Variación de los linfocitos BoCD2+, BoCD4+, y BoCD8+ de sangre periférica, el índice BoCD4:BoCD8 y los anticuerpos IgG en bovinos infectados y retados con aislados de Anaplasma marginale de origen mexicano.

Bautista GCR, Angeles L, García OMA, García TD, Soto C, Monaño ELF

Idioma: Ingles.
Referencias bibliográficas: 43
Paginas: 101-109
Archivo PDF: 146.79 Kb.


RESUMEN

Los niveles de linfocitos BoCD2+, BoCD4+ y BoCD8+ de sangre periférica (SP) el índice BoCD4:BoCD8 (IndiceCD) y los niveles de anticuerpos IgG a Anaplasma marginale fueron determinados por citofluorometría de rayo láser y ELISA, respectivamente, en cuatro bovinos durante la infección y reinfección con aislados mexicanos de A. marginale; y en otros cuatro animales que sirvieron como testigos no infectados. Durante la infección primaria, el Indice CD y los niveles de anticuerpos se incrementaron después de que la rickettsemia disminuyó y hubo una fuerte correlación entre el IndiceCD y los títulos de IgG. En la reinfección, el IndiceCD y los títulos de IgG no cambiaron significativamente con respecto a los valores observados al inicio del estudio. Adicionalmente, los niveles de linfocitos de SP se determinaron en 12 bovinos normales intactos. Los resultados indican que los linfocitos BoCD4+ ayudan en el control de la infección por aislados mexicanos de Anaplasma y en la producción de anticuerpos IgG a Anaplasma en la infección primaria y que los anticuerpos juegan un papel menor en la protección contra la infección.


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