Increased expression of proinflammatory cytokines in the cerebrospinal fluid of patients with a history of electrical status epilepticus in sleep.
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OBJECTIVE: This study was to investigate the cytokine expression profiles in the cerebrospinal fluid (CSF) of Self-limited epilepsy with centrotemporal spikes (SeLECTS) patients with electrical status epilepticus during sleep (ESES) and compare these to other neurological diseases to identify the cytokines that correlate with ESES. METHODS: Seven SeLECTS patients with ESES and nine non-ESES controls were included in this study. CSF was centrifuged within one hour and stored at -80 °C; subsequently, High mobility group box 1 (HMGB1), Caspase-1, interleukin (IL)-1β, IL-1α, IL-6, IL-8, IL-10 and tumour necrosis factor-α (TNF-α) were measured with enzyme-linked immunosorbent assay. RESULTS: CSF levels of IL-1β, TNF-α, IL-1α, and Caspase-1 in ESES group were significantly elevated compared with those non-ESES controls. Moreover, IL-1β CSF levels were positively correlated with Caspase-1 and TNF-α whereas it moderately correlated with IL-1α. CONCLUSIONS: The present study indicates a close relationship between neuroinflammation and ESES pathogenesis in patients with SeLECTS.