Glutathione Levels and Antioxidant Enzyme Activities in Schizophrenia
Author Information
Author(s): Raffa Monia, Atig Fatma, Mhalla Ahmed, Kerkeni Abdelhamid, Mechri Anwar
Primary Institution: University of Monastir
Hypothesis
The study aims to determine glutathione levels and antioxidant enzyme activities in drug-naive first-episode patients with schizophrenia compared to healthy controls.
Conclusion
The study found decreased plasma levels of glutathione and impaired antioxidant enzyme activities in drug-naive first-episode patients with schizophrenia.
Supporting Evidence
- GSHt and GSHr levels were significantly lower in patients than in controls.
- GPx activity was significantly higher in patients compared to control subjects.
- CAT activity was significantly lower in patients, while SOD activity was comparable to that of controls.
Takeaway
People with early schizophrenia have lower levels of a substance called glutathione, which helps protect the body from damage, compared to healthy people.
Methodology
A case-controlled study with 23 first-episode schizophrenia patients and 40 healthy controls, measuring blood samples for glutathione levels and antioxidant enzyme activities.
Potential Biases
Potential bias due to the small sample size and the specific population studied.
Limitations
Small sample size and limited to blood samples, which may not reflect brain changes.
Participant Demographics
23 patients (20 men, 3 women) with a mean age of 29.3 years; 40 healthy controls (36 men, 9 women) with a mean age of 29.6 years.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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