Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism

Autism spectrum disorder (ASD) is a class of neurodevelopmental disorders (NDD) characterized by deficits in three domains: impairments in social interactions, language, and communication, and increased stereotyped restrictive/repetitive behaviors and interests. The exact etiology of ASD remains unk...

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Main Authors: Sarah Otaru, David A. Lawrence
Format: Article
Language:English
Published: Open Exploration Publishing Inc. 2022-08-01
Series:Exploration of Neuroprotective Therapy
Subjects:
Online Access:https://www.explorationpub.com/Journals/ent/Article/100425
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author Sarah Otaru
David A. Lawrence
author_facet Sarah Otaru
David A. Lawrence
author_sort Sarah Otaru
collection DOAJ
description Autism spectrum disorder (ASD) is a class of neurodevelopmental disorders (NDD) characterized by deficits in three domains: impairments in social interactions, language, and communication, and increased stereotyped restrictive/repetitive behaviors and interests. The exact etiology of ASD remains unknown. Genetics, gestational exposure to inflammation, and environmental stressors, which combine to affect mitochondrial dysfunction and metabolism, are implicated yet poorly understood contributors and incompletely delineated pathways toward the relative risk of ASD. Many studies have shown a clear male bias in the incidence of ASD and other NDD. In other words, being male is a significant yet poorly understood risk factor for the development of NDD. This review discusses the link between these factors by looking at the current body of evidence. Understanding the link between the multiplicity of hits—from genes to environmental stressors and possible sexual determinants, contributing to autism susceptibility is critical to developing targeted interventions to mitigate these risks.
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spelling doaj.art-c8331fac102047fbb2e63b4e661a27c22022-12-22T01:37:35ZengOpen Exploration Publishing Inc.Exploration of Neuroprotective Therapy2769-65102022-08-012414116110.37349/ent.2022.00025Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autismSarah Otaru0https://orcid.org/0000-0001-9533-2582David A. Lawrence1https://orcid.org/0000-0002-8940-9640Department of Environmental Health Sciences, University at Albany School of Public Health, Rensselaer, NY 12144, USADepartment of Environmental Health Sciences, University at Albany School of Public Health, Rensselaer, NY 12144, USA; Clinical and Experimental Immunology, Wadsworth Center, New York State Department of Health, Albany, NY 12208, USAAutism spectrum disorder (ASD) is a class of neurodevelopmental disorders (NDD) characterized by deficits in three domains: impairments in social interactions, language, and communication, and increased stereotyped restrictive/repetitive behaviors and interests. The exact etiology of ASD remains unknown. Genetics, gestational exposure to inflammation, and environmental stressors, which combine to affect mitochondrial dysfunction and metabolism, are implicated yet poorly understood contributors and incompletely delineated pathways toward the relative risk of ASD. Many studies have shown a clear male bias in the incidence of ASD and other NDD. In other words, being male is a significant yet poorly understood risk factor for the development of NDD. This review discusses the link between these factors by looking at the current body of evidence. Understanding the link between the multiplicity of hits—from genes to environmental stressors and possible sexual determinants, contributing to autism susceptibility is critical to developing targeted interventions to mitigate these risks.https://www.explorationpub.com/Journals/ent/Article/100425etiology of autism spectrum disordermitochondrial dysfunctionoxidative stressinflammationgut-brain axismicrobiome
spellingShingle Sarah Otaru
David A. Lawrence
Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism
Exploration of Neuroprotective Therapy
etiology of autism spectrum disorder
mitochondrial dysfunction
oxidative stress
inflammation
gut-brain axis
microbiome
title Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism
title_full Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism
title_fullStr Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism
title_full_unstemmed Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism
title_short Autism: genetics, environmental stressors, maternal immune activation, and the male bias in autism
title_sort autism genetics environmental stressors maternal immune activation and the male bias in autism
topic etiology of autism spectrum disorder
mitochondrial dysfunction
oxidative stress
inflammation
gut-brain axis
microbiome
url https://www.explorationpub.com/Journals/ent/Article/100425
work_keys_str_mv AT sarahotaru autismgeneticsenvironmentalstressorsmaternalimmuneactivationandthemalebiasinautism
AT davidalawrence autismgeneticsenvironmentalstressorsmaternalimmuneactivationandthemalebiasinautism