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Minerva Pediatrica 2016 Dec 22

Copyright © 2016 EDIZIONI MINERVA MEDICA

language: English

Serum cytokines in paediatric neuropsychiatric syndromes: focus on Attention Deficit Hyperactivity Disorder

Renato DONFRANCESCO 1, Paola NATIVIO 2, Edoardo BORRELLI 3, Eleonora GIUA 4, Elda ANDRIOLA 3, Maria P. VILLA 5, Michela DI TRANI 6

1 Roma Tre University, Rome, Italy; 2 Department of Molecular Medicine, Sapienza University, Rome, Italy; 3 LUMSA University, Rome, Italy; 4 Faculty of Medicine and Psychology, Sapienza University, Rome, Italy; 5 NESMOS Department, Sapienza University, S. Andrea Hospital, Rome, Italy; 6 Department of Clinical and Dynamic Psychology, Sapienza University, Rome, Italy


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BACKGROUND: Inflammation may represent a common underlying mechanism in a wide range of diseases, including neuropsychiatric disorders. Cytokine involvement has been investigated in some studies on patients with childhood neuropsychiatric diseases. The aim of this study was to determine whether cytokines are involved in ADHD to provide a rationale for immune-based therapeutic strategies in this disorder.
METHODS: Sixty children were studied: 34 consecutive drug-naïve children with ADHD (30 males and 4 females; mean age of 10.10 years, sd=2.43 age) and 26 healthy control children (22 males and 4 females; mean age of 10.70 years, sd=1.81). All cytokines but IL-2 (IL4-IL6-IL10- IL17-TNFA and IFNG) were studied by ELISAs; IL-2 was instead studied by means of paired anti-cytokine Abs and cytokine standards obtained from PharMingen.
RESULTS: Data reveal higher IL-6 and IL-10 levels in ADHD patients than in the control group (p= .03). No differences emerged between the two groups for the other cytokines.
CONCLUSIONS: Our study shows an imbalance between pro- and anti-inflammatory cytokines that may play a pivotal role in the pathogenesis of ADHD.


KEY WORDS: ADHD – Cytokines - Inflammation

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