Cytokine alterations in CSF and serum samples of patients with a first episode of schizophrenia: results and methodological considerations

European archives of psychiatry and clinical neuroscience(2023)

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摘要
We determined cytokine levels in paired serum/CSF samples from first-episode schizophrenia (FES) participants ( n = 20) and controls ( n = 21) using a 13-plex immunoassay. Applying strictly-determined detection limits, 12 cytokines were found in serum and two in CSF. Higher serum MCP-1 levels ( p = 0.007) were present in FES versus controls, which correlated with serum IgG ( R = − 0.750; p = 0.013). Finally, IL-18 levels correlated with body weight in FES ( R = 0.691; p = 0.041). This study demonstrates potential limitations in the sensitivity of multiplex cytokine assays for CSF studies in mental disorders and suggests that some published studies in this area should be re-evaluated.
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关键词
First-episode psychosis,Schizophrenia,Serum, cerebrospinal fluid,CSF,Cytokines,Inflammation
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