Journal
MOLECULAR AUTISM
Volume 4, Issue -, Pages -Publisher
BMC
DOI: 10.1186/2040-2392-4-27
Keywords
Autism; Age; Biomarkers; Molecular profiling; Inflammation; Metabolism
Categories
Funding
- Autism Speaks [6009]
- EU FP7 TACTICS Translational Adolescent and Childhood Therapeutic Interventions in Compulsive Syndromes [278948]
- Dutch Fund for Economic Structure Reinforcement (FES) [0908]
- de Hersenstichting Nederland [15F.07]
- Netherlands Organization for Scientific Research (NWO, Veni grant)
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Background: Autism spectrum disorders (ASDs) are neurodevelopmental conditions with symptoms manifesting before the age of 3, generally persisting throughout life and affecting social development and communication. Here, we have investigated changes in protein biomarkers in blood during childhood and adolescent development. Methods: We carried out a multiplex immunoassay profiling analysis of serum samples from 37 individuals with a diagnosis of ASD and their matched, non-affected siblings, aged between 4 and 18 years, to identify molecular pathways affected over the course of ASDs. Results: This analysis revealed age-dependent differences in the levels of 12 proteins involved in inflammation, growth and hormonal signaling. Conclusions: These deviations in age-related molecular trajectories provide further insight into the progression and pathophysiology of the disorder and, if replicated, may contribute to better classification of ASD individuals, as well as to improved treatment and prognosis. The results also underline the importance of stratifying and analyzing samples by age, especially in ASD and potentially other developmental disorders.
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