Artikel ; Online: Understanding the roles of glutamine synthetase, glutaminase, and glutamate decarboxylase autoantibodies in imbalanced excitatory/inhibitory neurotransmission as etiological mechanisms of autism.
Psychiatry and clinical neurosciences
2018 Band 72, Heft 5, Seite(n) 362–373
Abstract: Aim: Autism is a heterogeneous neurological disorder that is characterized by impairments in communication and social interactions, repetitive behaviors, and sensory abnormalities. The etiology of autism remains unclear. Animal, genetic, and post-mortem ...
| Abstract | Aim: Autism is a heterogeneous neurological disorder that is characterized by impairments in communication and social interactions, repetitive behaviors, and sensory abnormalities. The etiology of autism remains unclear. Animal, genetic, and post-mortem studies suggest that an imbalance exists in the neuronal excitation and inhibition system in autism. The aim of this study was to determine whether alterations of the measured parameters in children with autism are significantly associated with the risk of a sensory dysfunction. Methods: The glutamine synthetase (GS), kidney-type glutaminase (GLS1), and glutamic acid decarboxylase autoantibody levels were analyzed in 38 autistic children and 33 age- and sex-matched controls using enzyme-linked immunosorbent assays. Results: The obtained data demonstrated significant alterations in glutamate and glutamine cycle enzymes, as represented by GS and GLS1, respectively. While the glutamic acid decarboxylase autoantibodies levels were remarkably increased, no significant difference was observed compared to the healthy control participants. Conclusion: The obtained data indicate that GS and GLS1 are promising indicators of a neuronal excitation and inhibition system imbalance and that combined measured parameters are good predictive biomarkers of autism. |
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| Mesh-Begriff(e) | Autism Spectrum Disorder/blood ; Autoantibodies/blood ; Child ; Glutamate Decarboxylase/immunology ; Glutamate-Ammonia Ligase/immunology ; Glutamic Acid/metabolism ; Glutaminase/immunology ; Humans ; Male ; Synaptic Transmission ; gamma-Aminobutyric Acid/metabolism | |||||
| Chemische Substanzen | Autoantibodies ; Glutamic Acid (3KX376GY7L) ; gamma-Aminobutyric Acid (56-12-2) ; GLS protein, human (EC 3.5.1.2) ; Glutaminase (EC 3.5.1.2) ; Glutamate Decarboxylase (EC 4.1.1.15) ; Glutamate-Ammonia Ligase (EC 6.3.1.2) | |||||
| Sprache | Englisch | |||||
| Erscheinungsdatum | 2018-03-10 | |||||
| Erscheinungsland | Australia | |||||
| Dokumenttyp | Journal Article | |||||
| ZDB-ID | 1292906-2 | |||||
| ISSN | 1440-1819 ; 1323-1316 | |||||
| ISSN (online) | 1440-1819 | |||||
| ISSN | 1323-1316 | |||||
| DOI | 10.1111/pcn.12639 | |||||
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| Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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