Decreased plasma levels of gasotransmitter hydrogen sulfide in patients with schizophrenia: correlation with psychopathology and cognition

Psychopharmacology
Jian-Wen XiongYuan-Jian Yang

Abstract

Aberrant N-methyl-D-aspartate receptor (NMDAR) function has been implicated in the pathophysiology of schizophrenia. Hydrogen sulfide (H2S) is an endogenous gasotransmitter that regulates NMDAR function. The current study investigated the relationship between plasma H2S levels and both psychopathological and cognitive symptoms in schizophrenia. Forty-one patients with schizophrenia and 40 healthy control subjects were recruited in present study. Schizophrenic symptomatology was assessed using the Positive and Negative Syndrome Scale (PANSS). Cognitive function was evaluated with a neuropsychological battery including seven neurocognitive tests. Plasma H2S levels were measured by reversed-phase high-performance liquid chromatography (RP-HPLC). Patients with schizophrenia performed worse in all of the cognitive tests than the healthy controls except for the visual memory. Plasma H2S levels were significantly lower in patients with schizophrenia relative to healthy control subjects (F = 3.821, p = 0.007). Correlation analysis revealed a significant negative correlation between the H2S levels and the PANSS general scores (r = - 0.413, p = 0.007). Additionally, a positive association was observed between plasma H2S levels and workin...Continue Reading

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Citations

Nov 13, 2019·Reviews in the Neurosciences·Thomas BerryAhmed A Moustafa
Aug 30, 2020·British Journal of Pharmacology·Hideo Kimura

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