Toxoplasma gondii is the most frequent cause of chorioretinitis in immunocompetent patients. This paper highlights the case of a 15 years old girl, an immunocompetent patient, with an active chorioretinal focus in the LE and a chorioretinal scar in the RE. Serologically, the IgG antiToxoplasma titre is increased, but the IgM antibodies are negative. It is the bilateral character of the lesions and the serology found that make this case special.
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Acta Parasitol
January 2025
Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
Purpose: The thyroid gland is one of the most vital endocrine organs. It is responsible for the synthesis and secretion of hormones principally triiodothyronine (T3) and thyroxine (T4). These hormones play a significant role in the functions and the metabolism of the body.
View Article and Find Full Text PDFbioRxiv
January 2025
Center for Drug Design, University of Minnesota, Minnesota, USA 55455.
is a common, waterborne gastrointestinal parasite that causes diarrheal disease worldwide. Currently there are no effective therapeutics to treat cryptosporidiosis in at-risk populations. Since natural products are a known source of anti-parasitic compounds, we screened a library of extracts and pure natural product compounds isolated from bacteria and fungi collected from subterranean environments for activity against .
View Article and Find Full Text PDFZhong Nan Da Xue Xue Bao Yi Xue Ban
August 2024
Department of Parasitology, School of Basic Medical Sciences, Central South University, Changsha 410013.
Objectives: Toxoplasmosis is a zoonotic parasitic disease caused by (), which can lead to complications such as encephalitis and ocular toxoplasmosis. The disease becomes more severe when the host's immune system is compromised. Rhoptry proteins are major virulence factors that enable to invade host cells.
View Article and Find Full Text PDFJ Neuroinflammation
January 2025
Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, 92697, USA.
Background: Immunothrombosis is the process by which the coagulation cascade interacts with the innate immune system to control infection. However, the formation of clots within the brain vasculature can be detrimental to the host. Recent work has demonstrated that Toxoplasma gondii infects and lyses central nervous system (CNS) endothelial cells that form the blood-brain barrier (BBB).
View Article and Find Full Text PDFTrends Parasitol
January 2025
Laboratory of Interactions in Immuno-Parasitology, Department of Parasitology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte-MG, Brazil. Electronic address:
Parasitic infections can profoundly impact brain function through inflammation within the central nervous system (CNS). Once viewed as an immune-privileged site, the CNS is now recognized as vulnerable to immune disruptions from both local and systemic infections. Recent studies reveal that certain parasites, such as Toxoplasma gondii and Plasmodium falciparum, can invade the CNS or influence it indirectly by triggering neuroinflammation.
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