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Sheep abortions associated with Neospora caninum and Toxoplasma gondii infections in multiple flocks from Southern Brazil.
Vet Res Commun
August 2024
Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina (UDESC), Av. Luís de Camões, 2090, Conta Dinheiro, Lages, SC, 88520-000, Brasil.
Neosporosis and toxoplasmosis are important parasitic causes of abortions in small ruminants. This study verified the occurrence of these diseases in sheep fetuses from Santa Catarina State, Southern Brazil from 2015 to 2022. Sheep fetuses were necropsied with organ sampling for histopathology, and polymerase chain reaction (PCR) for Neospora caninum and Toxoplasma gondii using the Nc5 and SAG2 targets, respectively, in frozen brain tissue.
View Article and Find Full Text PDFIn Vitro Anti- Activity of Extracts Obtained from and : The Role of β-Amyrin.
Molecules
February 2024
Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia.
Toxoplasmosis is a parasitic disease caused by the protozoan that is highly prevalent worldwide. Although the infection is asymptomatic in immunocompetent individuals, it severely affects immunocompromised individuals, causing conditions such as encephalitis, myocarditis, or pneumonitis. The limited therapeutic efficacy of drugs currently used to treat toxoplasmosis has prompted the search for new therapeutic alternatives.
View Article and Find Full Text PDFToxoplasmosis outbreak caused by north American genotypes in captive black-tufted marmosets in southern Brazil.
Vet Parasitol Reg Stud Reports
January 2024
Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina, Av. Luís de Camões, 2090, Bairro Conta Dinheiro, Lages, Santa Catarina 88520-000, Brazil. Electronic address:
In this study, we describe an outbreak of toxoplasmosis in an enclosure of five Callithrix penicillata in Southern Brazil. The marmosets were found dead and submitted to necropsy and histopathology. Liver, spleen, and lungs were frozen and sent for polymerase chain reaction (PCR) and nested-PCR-restriction fragment length polymorphism (RFLP) genotyping of Toxoplasma gondii.
View Article and Find Full Text PDFIsolation and Genetic Characterization of from a Patas Monkey () in China.
Genes (Basel)
August 2023
Veterinary Pathology, Henan Agricultural University, Zhengzhou 450000, China.
Many cases of infection have been reported worldwide in non-human primates (NHPs), especially in captive New World monkeys. However, few studies on toxoplasmosis in Old World monkeys have been conducted. In this study, serological and molecular biological analyses were carried out to look for antibodies and infection in 13 NHPs from China.
View Article and Find Full Text PDFReactivation Aggravating Cardiac Function Impairment in Mice.
Pathogens
August 2023
Department of Health Inspection and Quarantine, School of Public Health, Anhui Medical University, Hefei 230032, China.
Background: () reactivation is common, especially among immunocompromised individuals, such as AIDS patients. The cardiac involvement associated with toxoplasmosis, however, is usually obscured by neurological deterioration. The aim of this study was to observe the alterations in cardiac functions in various landmark periods after infection and to assess whether reactivation more seriously damages the heart.
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