Cited by 59Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersHearing, Cochlea, Tinnitus, Genetics

Malformation of the superior olivary complex in an animal model of autism

Lukose, Richard, Schmidt, Elise, Wolski, Thomas P., Murawski, Nathen J., Kulesza, Randy J.·2011·Brain Research

Abstract

Autism is a neurodevelopmental disorder characterized by social difficulties, impaired communication skills and repetitive behavioral patterns. Additionally, there is evidence that auditory deficits are a common feature of the autism spectrum disorders. Despite the prevalence of autism, the neurobiology of this disorder is poorly understood. However, abnormalities in neuronal morphology, cell number and connectivity have been described throughout the autistic brain. Indeed, we have demonstrated significant dysmorphology in the superior olivary complex (SOC), a collection of auditory brainstem nuclei, in the autistic brain. Prenatal exposure to valproic acid (VPA) in humans has been associated with autism and in rodents prenatal VPA exposure produces many neuroanatomical and behavioral deficits associated with autism. Thus, in an effort to devise an animal model of the autistic auditory brainstem, we have investigated neuronal number and morphology in animals prenatally exposed to valproic acid (VPA). In VPA exposed rats, we find significantly fewer neurons and significant alterations in neuronal morphology. Thus, prenatal VPA exposure in rats appears to produce similar dysmorphology as we have reported in the autistic human brain.

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Crossref · 10.1016/j.brainres.2011.05.013

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  • Following prenatal VPA exposure, cell density is increased in the hippocampus but decreased in the cerebellum and the superior olivary nuclei of the brainstem.

    “Cell density is increased in the hippocampus [94], but it is decreased in the cerebellum [164] and the superior olivary nuclei of the brainstem [221] following prenatal VPA exposure.”

    From Autism spectrum disorder: neuropathology and animal models (2017) · cites this paper as [221]

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Authors
Lukose, R., Schmidt, E., Wolski, T. P., Murawski, N. J., & Kulesza, R. J.
Affiliations
  • UPMC Hamot (US)
  • Lake Erie College of Osteopathic Medicine (US)
  • University of Delaware (US)
Venue
Brain Research
Publisher
Elsevier BV
Published
2011-06
Volume
1398
Pages
102-112
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2022217727
Cited by
59
References
106
Citations by year
2026: 4 · 2025: 2 · 2024: 12 · 2023: 2 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 4 · 2016: 5 · 2015: 2 · 2014: 2 · 2013: 4 · 2012: 3
FWCI
1.62
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
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 › Sensory Systems › Hearing, Cochlea, Tinnitus, Genetics
Keywords
autism spectrum disorder, superior olivary complex, valproic acid, prenatal drug exposure, auditory brainstem, neuronal morphology, neuron number, animal models of autism, auditory deficits
MeSH terms
Animals, Auditory Pathways, Auditory Perceptual Disorders, Autistic Disorder, Disease Models, Animal, Female, Language Development Disorders, Olivary Nucleus, Pregnancy, Valproic Acid, Rats

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