We assessed the prevalence and predictors of latent Toxoplasma infection in a large group of human immunodeficiency virus (HIV)-infected and HIV-uninfected at-risk US women. The prevalence of latent Toxoplasma infection was 15% (380 of 2525 persons) and did not differ by HIV infection status. HIV-infected women aged > or =50 years and those born outside of the United States were more likely to have latent Toxoplasma infection, with prevalences of 32% and 41%, respectively.
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http://dx.doi.org/10.1086/344462 | DOI Listing |
Med J Malaysia
January 2025
Department of Ophthalmology, Saveetha Institute of Medical and Technical Sciences (Deemed to be University): SIMATS Deemed University, Chennai, Tamilnadu, India.
Ocular toxoplasmosis is the leading cause of infectious retinochoroiditis in both adults and children. It is caused by the obligate intracellular parasite, Toxoplasma gondii. It is a common cause of posterior uveitis and focal retinitis, typically seen in immunocompetent individuals as a primary infection or in immunocompromised individuals as reactivation of latent infection.
View Article and Find Full Text PDFBMC Infect Dis
January 2025
Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, P.O. Box: 9717853577, Iran.
Background: Toxoplasma gondii (T. gondii) is the most successful obligate protozoan that can infect warm-blooded vertebrate hosts. Some researchers suggest that the presence of Toxoplasma cysts in the brain can lead to mental disorders.
View Article and Find Full Text PDFBrain Commun
December 2024
Brain Research Africa Initiative (BRAIN), P.O. Box 25625, Yaoundé, Cameroon.
Epidemiological evidence associates latent infection with the development of neuropsychiatric disorders, and various immunological and environmental factors play key pathophysiological roles through host immune response alterations. We investigated the cognitive and motor alterations occurring in the terminal stage of infection in rats, and whether a low-protein diet, a high-fat diet or ovariectomy may accelerate their development, given the role of malnutrition and menopause on immunity and resistance to infection. In two sets of experiments, 2-month-old (157.
View Article and Find Full Text PDFFront Microbiol
December 2024
Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Key Laboratory of Infectious Diseases Research in South China (Southern Medical University), Ministry of Education, Southern Medical University, Guangzhou, Guangdong, China.
is an intracellular opportunistic parasite that exists in a latent form within the human central nervous system (CNS), even in immune-competent hosts. During acute infection, traverses the blood-brain barrier (BBB). In the subsequent chronic infection phase, the infiltration of immune cells into the brain, driven by infection and the formation of parasitic cysts, leads to persistent activation and proliferation of astrocytes and microglia.
View Article and Find Full Text PDFParasites Hosts Dis
November 2024
Department of Tropical Medicine and Parasitology, Seoul National University College of Medicine, Seoul 03080, Korea.
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