Abstract
It has been hypothesized that a disturbance of glutathione (GSH) metabolism might be a common factor in many psychiatric disorders. The aim of the present study was to test this hypothesis in transient acute psychotic patients with distorted perceptions. Since the metabolism of GSH is related to that of thromboxane B 2 (TXB 2), prostaglandin E (PGE) and some amino acids, we determined these substances in the plasma of 15 patients and 17 normal controls. Plasma concentrations of TXB 2 were significantly higher and concentrations of serine and tryptophan were significantly lower in patients than in controls. Large variation was observed in plasma PGE levels in patients, although mean values did not differ significantly from controls. These results are consistent with the hypothesis that the metabolism of GSH is impaired in transient psychotic states.
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