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Intestinal microbiota, metabolome and gender dimorphism in autism spectrum disorders / Rafail I. KUSHAK in Research in Autism Spectrum Disorders, 49 (May 2018)
[article]
Titre : Intestinal microbiota, metabolome and gender dimorphism in autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : Rafail I. KUSHAK, Auteur ; Harland S. WINTER, Auteur Article en page(s) : p.65-74 Langues : Anglais (eng) Mots-clés : Autism Gender Microbiota Metabolome Gut-brain interactions Index. décimale : PER Périodiques Résumé : There is a male predominance in autism, with a male/female ratio of 4:1 and an even higher ratio (11:1) in individuals with high functioning autism. The reasons for gender differences in ASD are unknown. Genetic and environmental factors have been implicated, but no definitive evidence exists to explain male predominance. In this review, evidence is presented to support a hypothesis that the intestinal microbiota and metabolome play a role in gender dimorphism in children with autism. Metabolic products may affect not only gastrointestinal (GI) tract and the central nervous system, but also behavior, supporting communication between GI tract and central nervous system. Furthermore, mood and anxiety may affect intestinal function, indicating bidirectional flow in the gut-brain axis. Several hormone-based hypotheses are discussed to explain the prevalence of autism in males. Observations in animal models and studies in humans on the intestinal microbiome and metabolome are reviewed to support the proposed gender dimorphism hypothesis. We hypothesize that the intestinal microbiome is a contributing factor to the prevalence of ASD in boys either directly, through microbial metabolites and/or epigenetic factors capable of regulating host gene expression through DNA methylation and/or histone modification. En ligne : https://doi.org/10.1016/j.rasd.2018.01.009 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=340
in Research in Autism Spectrum Disorders > 49 (May 2018) . - p.65-74[article] Intestinal microbiota, metabolome and gender dimorphism in autism spectrum disorders [Texte imprimé et/ou numérique] / Rafail I. KUSHAK, Auteur ; Harland S. WINTER, Auteur . - p.65-74.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 49 (May 2018) . - p.65-74
Mots-clés : Autism Gender Microbiota Metabolome Gut-brain interactions Index. décimale : PER Périodiques Résumé : There is a male predominance in autism, with a male/female ratio of 4:1 and an even higher ratio (11:1) in individuals with high functioning autism. The reasons for gender differences in ASD are unknown. Genetic and environmental factors have been implicated, but no definitive evidence exists to explain male predominance. In this review, evidence is presented to support a hypothesis that the intestinal microbiota and metabolome play a role in gender dimorphism in children with autism. Metabolic products may affect not only gastrointestinal (GI) tract and the central nervous system, but also behavior, supporting communication between GI tract and central nervous system. Furthermore, mood and anxiety may affect intestinal function, indicating bidirectional flow in the gut-brain axis. Several hormone-based hypotheses are discussed to explain the prevalence of autism in males. Observations in animal models and studies in humans on the intestinal microbiome and metabolome are reviewed to support the proposed gender dimorphism hypothesis. We hypothesize that the intestinal microbiome is a contributing factor to the prevalence of ASD in boys either directly, through microbial metabolites and/or epigenetic factors capable of regulating host gene expression through DNA methylation and/or histone modification. En ligne : https://doi.org/10.1016/j.rasd.2018.01.009 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=340