Background: In September 2002, an outbreak of toxoplasmosis was noted in a male boarding high school on the Aegean coast of Turkey. We have focused our efforts to investigate the sex hormones in this population.
Methods: Blood samples were collected from 40 male patients, 17-18 years old, who also had positive titres of antibody to Toxoplasma gondii. Serum FSH, LH, free testosterone (FT), total testosterone (TT), interferon-gamma (IFN-gamma), interleukin-1beta (IL-1beta) and macrophage-inflammatory protein-1alpha (MIP-1alpha) concentrations were measured in all patients and 20 control subjects. Initially, the patients were divided on the basis of the levels of sex hormones into the following groups: patients who had normal sex hormone levels (n = 31) as group A and patients with low sex hormone levels (n = 9) as group B.
Results: IL-1beta levels were found to be higher in group B patients than group A. The levels of IL-1beta correlated significantly in a negative manner with FSH, LH, FT and TT in all patients with acute toxoplasmosis (n = 40).
Conclusions: Acute toxoplasma infection may cause temporary hypogonadotrophic gonadal insufficiency regardless of the course of the disease.
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http://dx.doi.org/10.1093/humrep/deh161 | DOI Listing |
Parasitol Res
December 2024
Tianjin Key Laboratory of Animal Molecular Breeding and Biotechnology, Institute of Animal Science and Veterinary, Tianjin Academy of Agricultural Sciences, Tianjin, 300381, China.
Toxoplasmosis is a foodborne zoonotic parasitic disease caused by Toxoplasma gondii, which seriously threatens to human health and causes economic losses. At present, there is no effective vaccine strategy for the prevention and control of toxoplasmosis. T.
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 PDFExp Parasitol
December 2024
Laboratory of Molecular Parasitology, Scientific Center of Zoology and Hydroecology, NASRA, 7P. Sevak St, Yerevan, 0014, Armenia; Laboratory of Zology, Research Institute of Biology, Yerevan State University, 1 Alex Manoogian, Yerevan, 0025, Republic of Armenia.
Toxoplasmosis which is caused by T. gondii, is common among humans and animals. T.
View Article and Find Full Text PDFVaccine
December 2024
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an, China; Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, Tai'an, China. Electronic address:
Toxoplasmosis is a significant zoonotic disease that poses a serious threat to both human and animal health. Despite ongoing research, developing an effective vaccine for toxoplasmosis remains a challenge. In this study, we evaluated the vaccine potential of the Toxoplasma Urm1 gene deletion mutant (PruΔUrm1) by assessing its pathogenicity and protective efficacy in mice.
View Article and Find Full Text PDFVet Parasitol
December 2024
Idexx Laboratories Hamilton, 20A Maui Street, Pukete, Hamilton 3200, New Zealand.
Cattle are considered resistant to clinical toxoplasmosis and viable Toxoplasma gondii is rarely isolated from bovine tissues. Currently, there is no histologically confirmed case of clinical toxoplasmosis in cattle. Here, the first confirmed case of acute toxoplasmosis in cattle is reported.
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