What we can learn from a genetic rodent model about autism

Area of Science:

• Neuroscience
• Genetics
• Developmental Disorders

Background:

• Autism spectrum disorders (ASD) are complex neurodevelopmental conditions influenced by genetic and environmental factors.
• Key characteristics include social communication deficits and restricted, repetitive behaviors impacting daily life.
• While no single animal model fully represents human ASD, genetic models are crucial for studying specific symptoms and mechanisms.

Purpose of the Study:

• To review behavioral paradigms in rodents used to model ASD symptoms as defined by the DSM-5.
• To survey existing genetic rodent models with disruptions in known ASD candidate genes.
• To map the phenotypes of these genetic models to established behavioral paradigms for ASD research.

Main Methods:

• Literature review of behavioral paradigms for ASD symptom modeling in rodents.
• Compilation and analysis of genetic rodent models linked to ASD candidate genes.
• Phenotypic mapping of genetic models onto relevant behavioral assays.

Main Results:

• Summary of commonly used rodent behavioral paradigms for assessing ASD-related social and repetitive behaviors.
• Overview of genetic rodent models and their specific gene disruptions relevant to ASD.
• Correlation of genetic model phenotypes with specific behavioral paradigms.

Conclusions:

• Rodent models offer valuable tools for dissecting specific aspects of ASD pathophysiology.
• This review provides guidance for selecting appropriate animal models to study particular ASD symptom clusters.
• Understanding these models aids in advancing research into cellular and molecular mechanisms underlying ASD.