Cited by 575Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersWilliams Syndrome Research

Searching for ways out of the autism maze: genetic, epigenetic and environmental clues

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Persico, Antonio M., Bourgeron, Thomas·2006·Trends in Neurosciences

Abstract

Our understanding of human disorders that affect higher cognitive functions has greatly advanced in recent decades, and over 20 genes associated with non-syndromic mental retardation have been identified during the past 15 years. However, proteins encoded by "cognition genes" have such diverse neurodevelopmental functions that delineating specific pathogenetic pathways still poses a tremendous challenge. In this review, we summarize genetic, epigenetic and environmental contributions to neurodevelopmental alterations that either cause or confer vulnerability to autism, a disease primarily affecting social cognition. Taken together, these results begin to provide a unifying view of complex pathogenetic pathways that are likely to lead to autism spectrum disorders through altered neurite morphology, synaptogenesis and cell migration. This review is part of the INMED/TINS special issue "Nature and nurture in brain development and neurological disorders", based on presentations at the annual INMED/TINS symposium (http://inmednet.com/).

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Crossref · 10.1016/j.tins.2006.05.010

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  • The validity of gene-environment interaction models is supported by known prenatal teratological agents, such as rubella or cytomegalovirus infection, and drugs like thalidomide, misoprostol, and valproic acid, which cause autism only in a subset of presumably vulnerable individuals.

    “Finally, the validity of gene-environment interaction models is also supported by known prenatal teratological agents, such as rubella or cytomegalovirus infection, and drugs like thalidomide, misoprostol, and valproic acid, which cause autism only in a subset of presumably vulnerable individuals [230, 233].”
  • In addition to broader diagnostic criteria and greater awareness, a real increase in incidence is also likely.

    “in addition to broader diagnostic criteria and greater awareness, a real increase in incidence is also likely [230, 233].”
  • Other brain regions in autism display abnormalities generally resulting from reduced programmed cell death and/or increased cell proliferation, altered cell migration, and abnormal cell differentiation with reduced neuronal size and abnormal wiring.

    “Other brain regions also display abnormalities generally resulting from reduced programmed cell death and/or increased cell proliferation, altered cell migration, and abnormal cell differentiation with reduced neuronal size and abnormal wiring [118, 230].”
  • Individuals carrying genetic variants expressing reduced amounts of Reelin and PON1 enzyme, if exposed prenatally to OPs during critical neurodevelopmental periods, could be more likely to suffer from altered neuronal migration resulting in AD.

    “Hence individuals carrying genetic variants expressing reduced amounts of Reelin and PON1 enzyme, if exposed prenatally to OPs during critical periods in neurodevelopment, could be more likely to suffer from altered neuronal migration resulting in AD [230].”
  • Recent investigations into the genetic basis of ASD have suggested that glutamergic and GABA-ergic synapses could be affected.

    “However, recent investigations into the genetic basis of ASD have suggested that glutamergic and GABA-ergic synapses could be affected (see Garber, 2007;Persico & Bourgeron, 2006).”

    From Vision in autism spectrum disorders (2009) · cites this paper as Persico & Bourgeron, 2006

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Authors
Persico, A. M., & Bourgeron, T.
Affiliations
  • Università Campus Bio-Medico (IT)
  • Institut Pasteur (FR)
Corresponding author
Persico, Antonio M.
Venue
Trends in Neurosciences
Publisher
Elsevier BV
Published
2006-07
Volume
29
Issue
7
Pages
349-358
ISSN
0166-2236 (ISSN-L)
OpenAlex
W2171804213
Cited by
575
References
130
Citations by year
2026: 3 · 2025: 9 · 2024: 6 · 2023: 9 · 2022: 17 · 2021: 20 · 2020: 17 · 2019: 14 · 2018: 19 · 2017: 24 · 2016: 32 · 2015: 47 · 2014: 40 · 2013: 41 · 2012: 51
FWCI
3.67
Type
journal article
Language
en
Open access
Locations
  • Trends in Neurosciences (publishedVersion)
  • PubMed (publishedVersion)
  • IRIS UNIMORE (University of Modena and Reggio Emilia) (submittedVersion, cc-by)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Developmental Neuroscience › Williams Syndrome Research
Keywords
autism spectrum disorder, autism genetics, epigenetics, environmental risk factors, brain development, intellectual disability, social cognition, synaptogenesis, neurite morphology, neuronal migration, pathogenesis
MeSH terms
Animals, Autistic Disorder, Cell Movement, Disease Models, Animal, Environment, Genetics, Behavioral, Humans, Genetic Linkage, Nerve Tissue Proteins

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