Abstract Title:

Neuroimmune Alterations in Autism: A Translational Analysis Focusing on the Animal Model of Autism Induced by Prenatal Exposure to Valproic Acid.

Abstract Source:

Neuroimmunomodulation. 2018 Aug 29:1-15. Epub 2018 Aug 29. PMID: 30157484

Abstract Author(s):

Iohanna Deckmann, Gustavo Brum Schwingel, Mellanie Fontes-Dutra, Victorio Bambini-Junior, Carmem Gottfried

Article Affiliation:

Iohanna Deckmann


Autism spectrum disorder (ASD) is a highly prevalent developmental disorder characterized by deficits in communication and social interaction and in stereotyped or repetitive behaviors. Besides the classical behavioral dyad, several comorbidities are frequently present in patients with ASD, such as anxiety, epilepsy, sleep disturbances, and gastrointestinal tract dysfunction. Although the etiology of ASD remains unclear, there is supporting evidence for the involvement of both genetic and environmental factors. Valproic acid (VPA) is an anticonvulsant and mood stabilizer that, when used during the gestational period, increases the risk of ASD in the offspring. The animal model of autism induced by prenatal exposure to VPA demonstrates important structural and behavioral features that can be observed in individuals with autism; it is thus an excellent tool for testing new drug targets and developing novel behavioral and drug therapies. In addition, immunological alterations during pregnancy could affect the developing embryo because immune molecules can pass through the placental barrier. In fact, exposure to pathogens during the pregnancy is a known risk factor for ASD, and maternal immune activation can lead to autistic-like features in animals. Interestingly, neuroimmune alterations are common in both autistic individuals and in animal models of ASD. We summarize here the important alterations in inflammatory markers, such as cytokines and chemokines, in patients with ASD and in the VPA animal model.

Study Type : Review

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