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Strategies for Assessing Autistic-Like Behaviors in Mice

Strategies for Assessing Autistic-Like Behaviors in Mice

Published on: September 20, 2024

Autism genetics.

Antonio M Persico¹, Valerio Napolioni

¹Child and Adolescent Neuropsychiatry Unit, University Campus Bio-Medico, Rome, Italy. a.persico@unicampus.it

Behavioural Brain Research

|June 18, 2013

Summary

This summary is machine-generated.

Autism spectrum disorder (ASD) has complex genetic causes, varying greatly between individuals. Research reviews genetic syndromes, mutations, and polygenic factors contributing to ASD heterogeneity.

Keywords:

Asperger syndrome Autistic disorder Chromosomal abnormality Copy number variant Genome-wide association Whole exome sequencing

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Area of Science:

Neuroscience
Genetics
Psychiatry

Background:

Autism spectrum disorder (ASD) is a complex neuropsychiatric condition with significant genetic influences.
Genetic contributions to ASD are highly heterogeneous, involving numerous loci with variable penetrance.
Many genes implicated in ASD are also associated with intellectual disability, indicating limited phenotypic specificity.

Purpose of the Study:

To review the current understanding of the genetic basis of ASD.
To cover various genetic factors including syndromes, monogenic forms, mitochondrial contributions, and polygenic forms of ASD.
To highlight recent advancements from genome-wide association studies (GWAS) and whole exome sequencing (WES).

Main Methods:

Literature review of genetic and genomic studies related to ASD.
Categorization of ASD genetic etiologies: syndromes, copy number variants (CNVs), point mutations, mitochondrial forms, and polygenic inheritance.
Focus on recent high-throughput sequencing technologies and their impact.

Main Results:

ASD genetics is characterized by extreme heterogeneity in causative loci and variable penetrance.
Monogenic forms (CNVs, point mutations) and syndromic forms contribute to ASD.
Polygenic inheritance and gene-environment interactions play significant roles.
Mitochondrial dysfunction is also implicated in a subset of ASD cases.

Conclusions:

The genetic architecture of ASD is multifaceted, encompassing a wide spectrum of genetic variations.
Understanding this genetic complexity is crucial for accurate diagnosis and potential therapeutic strategies.
Advances in genomic technologies are continually refining our knowledge of ASD's genetic underpinnings.