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Anti-inflammatory plasma cytokines in children and adolescents with Down syndrome
Joanna Smigielska-Kuzia1, Leszek Boćkowski, Wojciech Sobaniec
1Department of Pediatric Neurology and Rehabilitation, Medical University of Białystok, Poland. jsmig1@poczta.onet.pl
Insights
This study found no significant differences in anti-inflammatory cytokines like interleukin-4 (IL-4), interleukin-10 (IL-10), and interleukin-13 (IL-13) levels in children with Down syndrome compared to healthy peers.
Area of Science:
- Immunology
- Genetics
- Pediatrics
Background:
- Cytokines regulate immune and inflammatory responses.
- Altered cytokine production is observed in Down syndrome (DS).
- Specific anti-inflammatory cytokines' roles in DS require further investigation.
Purpose of the Study:
- To analyze plasma levels of interleukin-4 (IL-4), interleukin-10 (IL-10), and interleukin-13 (IL-13) in children and adolescents with DS.
- To compare these levels with those in healthy individuals.
- To explore potential correlations with age and gender.
Main Methods:
- Plasma samples from 20 children with DS and 33 healthy controls (ages 5-17) were analyzed.
- Enzyme-linked immunosorbent assay (ELISA) was used to quantify IL-4, IL-10, and IL-13.
- Statistical analysis was performed to compare groups and assess correlations.
Main Results:
- IL-4 was detectable in 25% of DS subjects and 28.6% of controls.
- IL-13 was detectable in 15% of DS subjects and 15.2% of controls.
- IL-10 was rarely detected in either group (1/20 DS, 2/33 controls).
- No significant differences in detectable levels of these cytokines were found between groups.
- No significant correlations were observed between cytokine levels and age or gender.
Conclusions:
- This study did not detect significant alterations in plasma levels of IL-4, IL-10, and IL-13 in children and adolescents with Down syndrome.
- Further research may be needed to explore other cytokines or immune pathways in DS.
- Findings suggest that these specific anti-inflammatory cytokines may not be significantly dysregulated in the studied DS population.
Abstract:
Cytokines participate in many physiological processes including the regulation of immune and inflammatory responses. Production of some important cytokines in children with Down syndrome (DS) is depressed or increased. In this study we analysed the selected anti- inflammatory cytokines: interleukin-4 (IL-4), interleukin-10 (IL-10), interleukin-13 (IL-13) in plasma of children and adolescents with DS. The study group consisted of 20 patients with Down syndrome and 33 healthy subjects at the age of 5-17 years. Levels of: IL-4, IL-10 and IL-13 in plasma samples were determined by specific enzyme- linked immunosorbent assay (ELISA) techniques according to manufacturer's instructions. IL-4 was detectable in 25% subjects with Down syndrome and in 28.6% healthy subjects. IL-13 was detectable in 15% patients with Down syndrome and in 15.2% healthy subjects, respectively. IL-10 was detectable in 1 of 20 patients with Down syndrome and in 2 of 33 healthy subjects only. No significant correlations between measurable cytokine levels and age and gender were found. No significant increased concentration of selected anti- inflammatory cytokines were detected.
