Cited by 56Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersNeuroendocrine regulation and behavior

Postnatal behavioral and inflammatory alterations in female pups prenatally exposed to valproic acid

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Kazlauskas, Nadia, Campolongo, Marcos, Lucchina, Luciana, Zappala, Cecilia, Depino, Amaicha Mara·2016·Psychoneuroendocrinology

Abstract

In Autism Spectrum Disorders (ASD), a bias to a higher incidence in boys than in girls has been reported. With the aim to identify biological mechanisms acting in female animals that could underlie this bias, we used an extensively validated mouse model of ASD: the prenatal exposure to valproic acid (VPA). We found postnatal behavioral alterations in female VPA pups: a longer latency in righting reflex at postnatal day (P) 3, and a delay in the acquisition of the acoustic startle response. We also analyzed the density of glial cells in the prefrontal cortex, hippocampus and cerebellum, in VPA and control animals. Female VPA pups showed alterations in the density of astrocytes and microglial cells between P21 and P42, with specific dynamics in each brain region. We also found a decrease in histone 3 acetylation in the cerebellum of female VPA pups at P14, suggesting that the changes in glial cell density could be due to alterations in the epigenetic developmental program. Finally, no differences in maternal behavior were found. Our results show that female VPA pups exhibit behavioral and inflammatory alterations postnatally, although they have been reported to have normal levels of sociability in adulthood. With our work, we contribute to the understanding of biological mechanisms underlying different effects of VPA on male and female rodents, and we hope to help elucidate whether there are factors increasing susceptibility to ASD in boys and/or resilience in girls.

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Crossref · 10.1016/j.psyneuen.2016.06.001

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  • Increased glial proliferation and altered astrocyte and microglial densities are observed in the hippocampus and cerebellum following VPA exposure.

    “Increased glial proliferation [213] and altered astrocyte and microglial densities are observed in the hippocampus and cerebellum following VPA exposure [189].”

    From Autism spectrum disorder: neuropathology and animal models (2017) · cites this paper as [189]

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Authors
Kazlauskas, N., Campolongo, M., Lucchina, L., Zappala, C., & Depino, A. M.
Affiliations
Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
Corresponding author
Depino, Amaicha Mara
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2016-10
Volume
72
Pages
11-21
ISSN
0306-4530 (ISSN-L)
OpenAlex
W2408968750
Cited by
56
References
37
Citations by year
2026: 3 · 2025: 4 · 2024: 5 · 2023: 7 · 2022: 7 · 2021: 8 · 2020: 4 · 2019: 5 · 2018: 6 · 2017: 7
FWCI
3.82
Type
journal article
Language
en
Open access
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Conicet (submittedVersion, cc-by-nc-nd)
Funders
National Agency of Promotion of Science and Technology (PICT2013-1362)
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
valproic acid, prenatal exposure, autism spectrum disorder, sex differences, female offspring, postnatal behavior, righting reflex, acoustic startle response, glial cell density, astrocytes, microglia, histone H3 acetylation, epigenetics, neuroinflammation, cerebellum, prefrontal cortex, hippocampus, maternal behavior
MeSH terms
Animals, Astrocytes, Behavior, Animal, Brain, Cell Count, Female, Maternal Behavior, Pregnancy, Prenatal Exposure Delayed Effects, Reflex, Startle, Valproic Acid, Microglia, GABA Agents, Mice

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