title: Host serum proteins in Taenia saginata metacestode fluid.
abstract: Taenia saginata cyst fluid was examined for host proteins; IgG1 and IgG2 as well as haemolytic complement activity were detected. Polyacrylamide gel electrophoresis revealed differences in proteinograms among the samples taken from 1-, 4-, and 10-month old cysts. Fluid from older cysts had fewer protein components and showed a weaker antigenic reaction with sera of bovines infected with T. saginata than that of younger cysts. The roles of antibody and complement in initiating degeneration of the parasite are discussed.
mesh_terms: D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology / Q000469:parasitology*; D003165:Complement System Proteins / Q000032:analysis; D003551:Cysticercosis / Q000276:immunology*; D007136:Immunoglobulins / Q000032:analysis; D013621:Taenia; D013622:Taeniasis / Q000276:immunology*
chemical_list: D001798:Blood Proteins; D007136:Immunoglobulins; D003165:Complement System Proteins