Journal
INTERNATIONAL JOURNAL OF MEDICAL MICROBIOLOGY
Volume 304, Issue 7, Pages 917-929Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijmm.2014.09.002
Keywords
Toxoplasma; Zoonotic infection; Epidemiology; Toxoplasma eye infection; Congenital toxoplasmosis
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Funding
- Bundesministerium fur Bildung und Forschung
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Toxoplasma gondii is an extremely sucessfull protozoal parasite which infects almost all mamalian species including humans. Approximately 30% of the human population worldwide is chronically infected with T. gondii. In general, human infection is asymptomatic but the parasite may induce severe disease in fetuses and immunocompromised patients. In addition, T. gondii may cause sight-threatening posterior uveitis in immunocompetent patients. Apart from few exceptions, humans acquire T. gondii from animals. Both, the oral uptake of T. gondii oocysts released by specific hosts, i.e. felidae, and of cysts persisting in muscle cells of animals result in human toxoplasmosis. In the present review, we discuss recent new data on the cell biology of T. gondii and parasite diversity in animals. In addition, we focus on the impact of these various parasite strains and their different virulence on the clinical outcome of human congenital toxoplasmosis and T. gondii uveitis. (C) 2014 Elsevier GmbH. All rights reserved.
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