OBJECTIVE: We analyzed cytokines levels in patients with epilepsy and new onset seizure and correlated it with various parameters. MATERIALS AND METHODS: After obtaining consent, serum samples from 100 patients with epilepsy or new onset seizure were prospectively collected in the immediate post-ictal phase. In 16 patients, a second sample was collected during the seizure-free period. The serum cytokine levels [TNF-alpha, IFN-gamma, IL-1beta, IL-2, IL-4, and IL-6] were assessed (ELISA) in these patients and 100 matched healthy controls. CSF analysis was carried out in 9 patients of this cohort, when clinically indicated. RESULTS: The type of seizures (n=100) was major (45), partial (41) and status epilepticus (SE=14), while the epilepsy syndromes were idiopathic generalized (53) and localization related (47). The detectable serum cytokines in the patient group (n=100) were: IL-6 (42), TNF-alpha (36), IL-2 (22), IL-4 (22), IFN-gamma (20) and IL-1 (11) compared to the controls. CSF IL-6 and IL-1 was detectable in 4/9 and 2/9 patients, respectively while, IL-2, IL-4, IFN-gamma was detectable 1 in each patient. Correlations were noted between male gender and IL-1beta (p=0.04), positive family history and IL-1beta (p=0.001), "no alcohol use" and TNF-alpha (p=0.05), more than one year history of epilepsy and IL-1beta (p=0.02), status epilepticus (SE) and IL-6 (p=0.04). There was no difference between the new onset seizures vs. epilepsy group. Serial analysis during the seizure-free period revealed a decrease in cytokine levels: TNF-alpha (25% to 12.5%), IFN-gamma (12.5% to 0%), IL-1 (25% to 0) and IL-2 (6.2% to 6.2%), IL-4 (18.8% to 0%) and IL-6 (18.8% to 6.2%). CONCLUSIONS: We found increased post-ictal serum cytokine levels in patients with several epilepsy syndromes.
OBJECTIVE: We analyzed cytokines levels in patients with epilepsy and new onset seizure and correlated it with various parameters. MATERIALS AND METHODS: After obtaining consent, serum samples from 100 patients with epilepsy or new onset seizure were prospectively collected in the immediate post-ictal phase. In 16 patients, a second sample was collected during the seizure-free period. The serum cytokine levels [TNF-alpha, IFN-gamma, IL-1beta, IL-2, IL-4, and IL-6] were assessed (ELISA) in these patients and 100 matched healthy controls. CSF analysis was carried out in 9 patients of this cohort, when clinically indicated. RESULTS: The type of seizures (n=100) was major (45), partial (41) and status epilepticus (SE=14), while the epilepsy syndromes were idiopathic generalized (53) and localization related (47). The detectable serum cytokines in the patient group (n=100) were: IL-6 (42), TNF-alpha (36), IL-2 (22), IL-4 (22), IFN-gamma (20) and IL-1 (11) compared to the controls. CSF IL-6 and IL-1 was detectable in 4/9 and 2/9 patients, respectively while, IL-2, IL-4, IFN-gamma was detectable 1 in each patient. Correlations were noted between male gender and IL-1beta (p=0.04), positive family history and IL-1beta (p=0.001), "no alcohol use" and TNF-alpha (p=0.05), more than one year history of epilepsy and IL-1beta (p=0.02), status epilepticus (SE) and IL-6 (p=0.04). There was no difference between the new onset seizures vs. epilepsy group. Serial analysis during the seizure-free period revealed a decrease in cytokine levels: TNF-alpha (25% to 12.5%), IFN-gamma (12.5% to 0%), IL-1 (25% to 0) and IL-2 (6.2% to 6.2%), IL-4 (18.8% to 0%) and IL-6 (18.8% to 6.2%). CONCLUSIONS: We found increased post-ictal serum cytokine levels in patients with several epilepsy syndromes.
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