نتایج جستجو برای: toxoplama gondii

تعداد نتایج: 9017  

Journal: :The Journal of parasitology 2013
J P Dubey C Darrington N Tiao L R Ferreira S Choudhary B Molla W J A Saville G Tilahun O C H Kwok W A Gebreyes

Cats are important in the epidemiology of Toxoplasma gondii because they are the only hosts that excrete environmentally resistant oocysts in feces. In the present study, hearts, serum, and feces from 36 feral cats from Addis Ababa area, Ethiopia, were examined for T. gondii infection. Antibodies to T. gondii were determined with the modified agglutination test (MAT, cutoff 1:25); 33 cats were ...

2017
Su-Hwa Lee Dong-Hun Lee Ying Piao Eun-Kyung Moon Fu-Shi Quan

Toxoplasma gondii infections occur throughout the world, and efforts are needed to develop various vaccine candidates expressing recombinant protein antigens. In this study, influenza matrix protein (M1) virus-like particles (VLPs) consisting of T. gondii rhoptry antigen 4 (ROP4 protein) were generated using baculovirus (rBV) expression system. Recombinant ROP4 protein with influenza M1 were cl...

Journal: :Anatolian Current Medical Journal 2022

Aim: Toxoplasma gondii (T. gondii), rubella virus and cytomegalovirus (CMV) are important factors that can be transmitted from mother to baby cause clinical findings in fetus or newborn. In our study, it was aimed determine the seroprevalence of T. gondii, pregnant women who applied hospital.
 Material Method: serological test results blood samples used diagnosis CMV infections Microbiolog...

Journal: :Veterinary parasitology 2011
O Cabezón A J Hall C Vincent M Pabón I García-Bocanegra J P Dubey S Almería

Antibodies to Toxoplasma gondii were determined in serum samples from 47 grey seals (Halichoerus grypus) and 56 harbor seals (Phoca vitulina vitulina) from the Atlantic coasts of United Kingdom and France. Antibodies to T. gondii assayed by the modified agglutination test (MAT) were found in 14 (13.6%; IC(95%): 7.0-20.2) of 103 seals tested, with titres of 1:25 in 13 seals and 1:50 in 1 seal. S...

2015
Wang Wei

The prevalence of Toxoplasma gondii infection in free-range chickens in Jilin province, northeastern China was investigated. A total of 1095 serum samples were collected from nine administrative regions from July to October, 2012, and antibodies to T. gondii were examined by an in-house enzyme-linked immunosorbent assay (ELISA) using Toxoplasma lysate antigen (TLA). The detection results were c...

Journal: :Veterinary parasitology 2002
J P Dubey B Lewis K Beam B Abbitt

Toxoplasma gondii infection was diagnosed in a full term stillborn reindeer (Rangifer tarandus) fetus. The fetus had encephalitis and placentitis associated with T. gondii. Tissue cysts were identified histologically in sections of brain and tachyzoites were present in placenta and the myocardium. Protozoa in the brain, heart, and placenta stained positively with T. gondii antibodies, but not w...

2012
Shuting Pan R. C. Andrew Thompson Michael E. Grigg Natarajan Sundar Andrew Smith Alan J. Lymbery

Five different organs from 16 asymptomatic free-ranging marsupial macropods (Macropus rufus, M. fuliginosus, and M. robustus) from inland Western Australia were tested for infection with Toxoplasma gondii by multi-locus PCR-DNA sequencing. All macropods were infected with T. gondii, and 13 had parasite DNA in at least 2 organs. In total, 45 distinct T. gondii genotypes were detected. Fourteen o...

Journal: :Schizophrenia bulletin 2012
Geetha Kannan Mikhail V Pletnikov

Cognitive deficits are a core feature of schizophrenia. Epidemiological evidence indicates that microbial pathogens may contribute to cognitive impairment in patients with schizophrenia. Exposure to Toxoplasma gondii (T. gondii) has been associated with cognitive deficits in humans. However, the mechanisms whereby the parasite impacts cognition remain poorly understood. Animal models of T. go...

2013
Cheng-Wu Liu Na Yang Jian-Bin He Ming-Yang Mu Min Yang Ning Sun Hong-Kui Li

In recent years, worldwide surveys of Toxoplasma gondii infection in dogs have been reported. However, only limited surveys of T. gondii infection in police dogs have been available, including China. In the present study, we report the seroprevalence of T. gondii in police dogs in Shenyang, northeastern China. Sera from 291 police dogs were examined for T. gondii antibodies with the modified ag...

Journal: :Veterinary parasitology 2002
J P Dubey

Toxoplasma gondii affects most species of warm-blooded animals, including birds. There is considerable confusion regarding the identity of T. gondii-like parasites and the diagnosis of toxoplasmosis in wild birds. In this review, T. gondii-like infections in different species of wild birds are reviewed with particular reference to prevalences, clinical signs, pathology, diagnosis, and treatment...

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