期刊
MEDICINA-LITHUANIA
卷 59, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/medicina59111906
关键词
autism spectrum disorders; kynurenic acid; kynurenine pathway; quinolinic acid; IL-6
In this study, we found that children with ASD had higher levels of KP products and interleukin-6 in their serum, which may be related to the pathogenesis and inflammatory processes of ASD. However, these biomarkers were not significantly associated with the severity of ASD.
Background and Objectives: It is known that inflammatory processes play a role in the pathogenesis of autism spectrum disorder (ASD). It is also reported that immune activation induces the kynurenine pathway (KP), as known as the tryptophan destruction pathway. In our study, we aimed to investigate whether the serum levels of KP products and interleukin (IL)-6 activating indolamine 2-3 dioxygenase (IDO) enzyme are different in healthy developing children and children with ASD. Materials and Methods: Forty-three ASD children aged 2-9 were included in this study. Forty-two healthy developing children, similar to the patient group in terms of age and gender, were selected as the control group. Serum levels of kynurenic acid, kynurenine, quinolinic acid and IL-6 were analyzed using the ELISA method. ASD severity was evaluated with the Autism Behavior Checklist (ABC). Results: The mean age of children with ASD was 42.4 +/- 20.5 months, and that of healthy controls was 48.1 +/- 15.8 months. While the serum levels of kynurenic acid, kynurenine and interleukin-6 were higher in the group with ASD (p < 0.05), there was no significant difference (p > 0.05) in terms of the quinolinic acid level. There was no significant difference between the ABC total and subscale scores of children with ASD and biochemical parameters (p > 0.05). Conclusions: We conclude that these biomarkers must be measured in all ASD cases. They may be important for the diagnosis of ASD.
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