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Updated: Jul 4, 2026

3-D Imaging and Analysis of Neurons Infected In Vivo with Toxoplasma gondii
Published on: December 9, 2014
The schizophrenia and Toxoplasma gondii connection: infectious, immune or both?
Gulden Sonmez Tamer1, Devrim Dundar, Irem Yalug
1Kocaeli University, Medical Faculty, Department of Clinical Microbiology, Kocaeli, Turkey. guldensonmez@hotmail.com
Introduction:
Recent research has suggested a possible link between toxoplasmic agents and schizophrenia. We aimed to assess this by measuring Toxoplasma gondii-associated antibodies in schizophrenia patients and controls
Methods:
We used a commercially available enzyme-linked immunosorbent assay (ELISA) kit to measure the level of immunoglobulin G (IgG) and IgM antibodies in serum samples from schizophrenia patients (n=40) and from a group of non-schizophrenic control subjects (n=37)
Results:
Among schizophrenic patients, 16 (40%) showed IgG seropositivity and two (5%) showed IgM seropositivity. Among the control group, five (13.5%) were found have IgG seropositivity and one (2.7%) showed IgM seropositivity. In our study we found that IgG T gondii antibodies were significantly higher in schizophrenia patients compared with controls
Conclusions:
This study supports the theory that toxoplasmic agents may have a role in the aetiology of schizophrenia.
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