Abstract
It has been proposed that the neurotrophin brain-derived neurotrophic factor (BDNF) may be involved in attention deficit–hyperactivity disorder (ADHD) etiopathogenesis. Alterations in BDNF serum levels have been observed in childhood/adulthood neurodevelopmental pathologies, but no evidence is available for BDNF serum concentrations in ADHD. The study includes 45 drug-naïve ADHD children and 45 age–sex matched healthy subjects. Concentration of serum BDNF was determined by the ELISA method. BDNF serum levels in patients with ADHD were not different from those of controls (mean ± SD; ADHD: 39.33 ± 10.41 ng/ml; controls: 38.82 ± 8.29 ng/ml, t = −0.26, p = 0.80). Our findings indicate no alteration of serum BDNF levels in untreated patients with ADHD. A further stratification for cognitive, neuropsychological and psychopathological assessment in a larger sample could be useful to clarify the role of BDNF in the endophenotype characterization of ADHD.
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Acknowledgments
This research was supported by grants from the Fondazione Mariani [RF2006] and the Italian Ministry of Health [Ricerca Corrente].
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The authors declare that they have no conflict of interest and have no financial interests of any kind in publishing the results of this study.
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Scassellati, C., Zanardini, R., Tiberti, A. et al. Serum brain-derived neurotrophic factor (BDNF) levels in attention deficit–hyperactivity disorder (ADHD). Eur Child Adolesc Psychiatry 23, 173–177 (2014). https://doi.org/10.1007/s00787-013-0447-1
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DOI: https://doi.org/10.1007/s00787-013-0447-1