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Cross-reactivity of polyclonal serum antibodies generated against Cryptosporidium parvum oocysts
L M Ortega-Mora1, J M Troncoso, F A Rojo-Vázquez
1Departamento de Patología Animal I (Sanidad Animal), Facultad de Veterinaria, Universidad Complutense de Madrid, Spain.
Infection and Immunity
|August 1, 1992
Abstract:
Polyclonal antibodies raised against Cryptosporidium parvum oocysts were found to cross-react with Eimeria spp. oocyst antigens in an indirect immunofluorescence assay, and sera from Eimeria spp.-infected lambs reacted with some antigens from sonicated C. parvum oocysts (between 29 to 30 and 66 to 69 kDa) by Western blot (immunoblot). No cross-reaction was observed with cystozoites of Toxoplasma and Sarcocystis spp. These results show the existence of epitopes common to C. parvum and various Eimeria spp.