through bioassay in Mus musculus
The absence of any published work on T. gondii infection in rats in the Philippines has compelled us to embark on this present study. Toxoplasma gondii infection was serologically ascertained in 55.5 % of Rattus norvegicus and Rattus rattus mindanensis caught in agricultural (AGR), commercial (COM)...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.638.5860 2023-05-15T18:05:22+02:00 through bioassay in Mus musculus Cristina Cabanacan-salibay Florencia Garcia Claveria The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.638.5860 http://www.vef.unizg.hr/vetarhiv/papers/2006-76-4-9.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.638.5860 http://www.vef.unizg.hr/vetarhiv/papers/2006-76-4-9.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.vef.unizg.hr/vetarhiv/papers/2006-76-4-9.pdf text ftciteseerx 2016-01-08T15:49:01Z The absence of any published work on T. gondii infection in rats in the Philippines has compelled us to embark on this present study. Toxoplasma gondii infection was serologically ascertained in 55.5 % of Rattus norvegicus and Rattus rattus mindanensis caught in agricultural (AGR), commercial (COM) and residential (RES) sites at Dasmariñas, Cavite. Infection accounted for 60.0 % in R. norvegicus and 50.0 % in R. rattus mindanensis, with anti-T. gondii antibodies (Abs) titre ranging from 1:64 to 1:2048. Chronic infection (≥1:256 anti- T. gondii Abs) was detected in 53 (61.0%) rats. There was an insignificant association between parasite infectivity, rat species and collection sites. In mice, seropositivity was 65.0 % (93/144), and tissue cysts were detected only among those exposed to brain tissue of RES caught R. rattus mindanensis. Although mouse infection was clearly inoculum dose related, the consistent higher infectivity of T. gondii parasite from AGR and COM relative to RES caught Rattus spp. and other biological parameters, such as clinical manifestations, parasite encystations and mortality, suggest intraspecific strain differences in T. gondii infecting the Rattus spp. populations. We are currently assessing the severity of histopathology in seropositive mice exposed to brain tissue of chronically infected R. norvegicus and R. rattus mindanensis across the three collection sites, and we hope to provide additional information that Text Rattus rattus Unknown |
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ftciteseerx |
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description |
The absence of any published work on T. gondii infection in rats in the Philippines has compelled us to embark on this present study. Toxoplasma gondii infection was serologically ascertained in 55.5 % of Rattus norvegicus and Rattus rattus mindanensis caught in agricultural (AGR), commercial (COM) and residential (RES) sites at Dasmariñas, Cavite. Infection accounted for 60.0 % in R. norvegicus and 50.0 % in R. rattus mindanensis, with anti-T. gondii antibodies (Abs) titre ranging from 1:64 to 1:2048. Chronic infection (≥1:256 anti- T. gondii Abs) was detected in 53 (61.0%) rats. There was an insignificant association between parasite infectivity, rat species and collection sites. In mice, seropositivity was 65.0 % (93/144), and tissue cysts were detected only among those exposed to brain tissue of RES caught R. rattus mindanensis. Although mouse infection was clearly inoculum dose related, the consistent higher infectivity of T. gondii parasite from AGR and COM relative to RES caught Rattus spp. and other biological parameters, such as clinical manifestations, parasite encystations and mortality, suggest intraspecific strain differences in T. gondii infecting the Rattus spp. populations. We are currently assessing the severity of histopathology in seropositive mice exposed to brain tissue of chronically infected R. norvegicus and R. rattus mindanensis across the three collection sites, and we hope to provide additional information that |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Cristina Cabanacan-salibay Florencia Garcia Claveria |
spellingShingle |
Cristina Cabanacan-salibay Florencia Garcia Claveria through bioassay in Mus musculus |
author_facet |
Cristina Cabanacan-salibay Florencia Garcia Claveria |
author_sort |
Cristina Cabanacan-salibay |
title |
through bioassay in Mus musculus |
title_short |
through bioassay in Mus musculus |
title_full |
through bioassay in Mus musculus |
title_fullStr |
through bioassay in Mus musculus |
title_full_unstemmed |
through bioassay in Mus musculus |
title_sort |
through bioassay in mus musculus |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.638.5860 http://www.vef.unizg.hr/vetarhiv/papers/2006-76-4-9.pdf |
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Rattus rattus |
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Rattus rattus |
op_source |
http://www.vef.unizg.hr/vetarhiv/papers/2006-76-4-9.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.638.5860 http://www.vef.unizg.hr/vetarhiv/papers/2006-76-4-9.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766176842603036672 |