Cited by 541Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersNeuroendocrine regulation and behavior

Mouse Behavioral Assays Relevant to the Symptoms of Autism*

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Crawley, Jacqueline N.·2007·Brain Pathology

Abstract

While the cause of autism remains unknown, the high concordance between monozygotic twins supports a strong genetic component. The importance of genetic factors in autism encourages the development of mutant mouse models, to advance our understanding of biological mechanisms underlying autistic behaviors. Mouse models of human neuropsychiatric diseases are designed to optimize (i) face validity (resemblance to the human symptoms) (ii) construct validity (similarity to the underlying causes of the disease) and (iii) predictive validity (expected responses to treatments that are effective in the human disease). There is a growing need for mouse behavioral tasks with all three types of validity, to define robust phenotypes in mouse models of autism. Ideal mouse models will incorporate analogies to the three diagnostic symptoms of autism: abnormal social interactions, deficits in communication and high levels of repetitive behaviors. Social approach is tested in an automated three chambered apparatus that offers the subject a choice between spending time with another mouse, with a novel object, or remaining in an empty familiar environment. Reciprocal social interaction is scored from videotapes of interactions between pairs of unfamiliar mice. Communication is evaluated by measuring emission and responses to vocalizations and olfactory cues. Repetitive behaviors are scored for measures of grooming, jumping, or stereotyped sniffing of one location or object. Insistence on sameness is modeled by scoring a change in habit, for example, reversal of the spatial location of a reinforcer in the Morris water maze or T‐maze. Associated features of autism, for example, mouse phenotypes relevant to anxiety, seizures, sleep disturbances and sensory hypersensitivity, may be useful to include in a mouse model that meets some of the core diagnostic criteria. Applications of these assays include (i) behavioral phenotyping of transgenic and knockout mice with mutations in genes relevant to autism; (ii) characterization of inbred strains of mice; (iii) evaluation of environmental toxins; (iv) comparison of behavioral phenotypes with genetic factors, such as unusual expression patterns of genes or unusual single nucleotide polymorphisms; and (v) evaluation of proposed therapeutics for the treatment of autism.

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Authors
Crawley, J. N.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Crawley, Jacqueline N.
Venue
Brain Pathology
Publisher
Wiley
Published
2007-10
Volume
17
Issue
4
Pages
448-459
ISSN
  • 1015-6305 (ISSN-L)
  • 1750-3639
OpenAlex
W2076566560
Cited by
541
References
216
Citations by year
2026: 10 · 2025: 18 · 2024: 18 · 2023: 24 · 2022: 25 · 2021: 31 · 2020: 33 · 2019: 34 · 2018: 21 · 2017: 28 · 2016: 30 · 2015: 38 · 2014: 30 · 2013: 41 · 2012: 42
FWCI
1.68
Type
journal article
Language
en
Open access
Locations
  • Brain Pathology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5u54mh066418-05)
  • U.S. Public Health Service (NICHD P30)
  • National Institute of Mental Health (U54-MH066418, MH66418)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
autism spectrum disorder, mouse models of autism, behavioral assays, social interaction, communication difficulties, repetitive behavior, insistence on sameness, reciprocal social interaction, vocalizations, olfactory cues, grooming, anxiety, seizures, sleep disorders, sensory hypersensitivity, phenotyping, inbred mouse strains, environmental toxins
MeSH terms
Animals, Autistic Disorder, Behavior, Animal, Biological Assay, Disease Models, Animal, Humans, Mice, Transgenic, Phenotype, Social Behavior Disorders, Genetic Predisposition to Disease, Mice

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