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Age influence in the natural resistance of white rat and mice to the protozoan Toxoplasma gondii

dc.creatorGuerrero Bermúdez, Olga Marta
dc.creatorChinchilla Carmona, Misael
dc.creatorCastro Castillo, Alfredo
dc.creatorAbrahams Sandí, Elizabeth
dc.date2015-12-10
dc.date.accessioned2016-05-03T15:28:19Z
dc.date.available2016-05-03T15:28:19Z
dc.identifierhttp://revistas.ucr.ac.cr/index.php/rbt/article/view/22413
dc.identifier.urihttps://hdl.handle.net/10669/26355
dc.descriptionRatas y ratones de 1, 5, 10, 15 Y 30 days fueron inoculados con diferentes concentraciones de ooquistes de T. gondii. De acuerdo a los parámetros de supervivencia, lesiones tisulares, presencia del parásito y serología quedó demostrada, una vez más, la mayor resistencia de la rata blanca, independientemente de la edad del animal.es-ES
dc.descriptionGroups of 1, 5, ID, 15 and 30 day old rats (Sprague Dawley) and Wistar mice were infected per os with different inocula of Toxoplasma gondii oocysts from an avirulent strain. Infection pattem was followed by determination of survival time, tissue lesions, parasite presence and serology. Although all the animals survived the total experimental period (30 day), there were important differences betweerr both rodents regarding to Toxoplasma natural resistance. Brain cysts, as well as tachyzoites in other organs were reg1ilarly present in mice but not in rats. On the other hand, most of the organs from mice presented characteristic T. gondii lesions, while in rats a normal tissues were observed, with the exception of an acute reaction found in the brain of a 15d old animal.en-US
dc.formatapplication/pdf
dc.languageeng
dc.publisherUniversidad de Costa Ricaen-US
dc.rightsCopyright (c) 2015 International Journal of Tropical Biology and Conservationen-US
dc.sourceRevista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 43 (1-3)April - December 1995; 27-30en-US
dc.sourceRevista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 43 (1-3)April - December 1995; 27-30es-ES
dc.sourceRevista Biología Tropical; Vol. 43 (1-3)April - December 1995; 27-30pt-PT
dc.source2215-2075
dc.source0034-7744
dc.subjectinfectionen-US
dc.subjectresistanceen-US
dc.subjectprotozoanen-US
dc.subjecthistologyen-US
dc.titleAge influence in the natural resistance of white rat and mice to the protozoan Toxoplasma gondiien-US
dc.typeartículo original


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