Abstract
Inflammation plays a pivotal role in temporal lobe epilepsy (TLE) pathophysiology. IL-33 can act as a transcription factor or as a cytokine, the latter through the transmembrane ST2 receptor or its soluble isoform (sST2), presenting a dual role in neurological diseases. The aim of this study was to determine the plasma levels of IL-33 and sST2 in parallel with clinical features in patients with TLE. Peripheral blood from patients and controls was sampled for the measurement of plasma levels of IL-33 and sST2 by enzyme-linked immunoassay (ELISA). While there were similar levels of IL-33 between controls and patients, sST2 were increased in patients. IL33 and sST2 plasma levels were not associated with TLE-related clinical features. In a subgroup analysis, IL-33 levels correlated with memory performance. In conclusion, our results reinforce the concept of chronic low-grade inflammation in patients with TLE.
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