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Accurate and Simple Measurement of the Pro-inflammatory Cytokine IL-1β using a Whole Blood Stimulation Assay
Published on: March 1, 2011
Plasma interleukin-1beta levels in children with febrile seizures
Hoda Y Tomoum1, Nagya M Badawy, Afaf A Mostafa
1Department of Pediatrics, Ain Shams University, Cairo, Egypt. hoda_tomoum@yahoo.com
Insights
This study investigated interleukin-1beta levels in children with febrile seizures, finding no significant difference compared to controls. Increased interleukin-1beta is not supported as a cause of febrile seizures.
Area of Science:
- Pediatric Neurology
- Immunology
- Cytokine Research
Background:
- Cytokines, including proinflammatory and anti-inflammatory types, are known to regulate fever during infections.
- Febrile seizures are common in children and their pathogenesis is not fully understood.
- Interleukin-1beta (IL-1β) has been implicated in various neurological conditions.
Purpose of the Study:
- To investigate the role of interleukin-1beta in the pathogenesis of febrile seizures in children.
- To compare IL-1β levels in children with febrile seizures versus those with febrile illness without seizures.
Main Methods:
- A case-control study involving 33 children with febrile seizures and 38 age- and sex-matched controls with febrile illnesses.
- Plasma levels of IL-1β were measured using enzyme-linked immunosorbent assay (ELISA).
- Laboratory workup confirmed infection; IL-1β levels were assessed upon hospital arrival.
Main Results:
- Plasma IL-1β levels were comparable between children with febrile seizures (7.321 ± 3.123 pg/mL) and controls (8.087 ± 4.8 pg/mL).
- No significant difference in IL-1β levels was observed between simple and complex febrile seizures.
- IL-1β levels did not correlate with seizure duration, prior seizure attacks, or fever degree, but showed a negative correlation with time since the last seizure (r = -0.8).
Conclusions:
- The findings do not support the hypothesis that increased interleukin-1beta production is involved in the pathogenesis of febrile seizures.
- Further research may be needed to explore other cytokine roles or mechanisms in febrile seizure development.
Abstract:
Proinflammatory and anti-inflammatory cytokines regulate the febrile response during infection. In this study, the role of cytokines in the pathogenesis of febrile seizures was investigated, through comparing levels of interleukin-1beta in the peripheral blood of children with febrile seizures and in a matched control group of children with febrile illnesses without seizures. The study included 33 children with febrile seizures (mean +/- SD, 29.94 +/- 14.9 months) and 38 controls with comparable age, sex, and type of infection. A laboratory workup for the diagnosis of infection was performed, and interleukin-1beta levels were assessed by enzyme-linked immunosorbent assay for the patients and the control groups immediately on arrival at the hospital. The plasma levels of interleukin-1beta were comparable in the patients and the control group (mean +/- SD, 7.321 +/- 3.123 and 8.087 +/- 4.8 pg/mL, respectively). Furthermore, there was no significant difference when comparing the plasma levels of interleukin-1beta in patients with simple and complex types of febrile seizures. Plasma interleukin-1beta levels did not show a significant correlation to either the duration of the last seizure, the number of the previous attacks of febrile convulsion, or the degree of temperature. However, interleukin-1beta levels were negatively correlated to the duration from the last seizure attack (r = -.8). Thus, the results of the present study do not support the hypothesis that increased production of interleukin-1beta is involved in the pathogenesis of febrile seizures in children.
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