Cited by 89Neonatal and fetal brain pathologyNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Ontogeny of altered dendritic morphology in the rat prefrontal cortex, hippocampus, and nucleus accumbens following Cesarean delivery and birth anoxia

Juárez, Ismael, Gratton, Alan, Flores, Gonzalo·2008·Journal of Comparative Neurology

Abstract

We used a delayed Cesarean birth model and the Golgi-Cox staining method to investigate the effects of perinatal anoxia on prefrontal cortex (PFC) and hippocampal (CA1) pyramidal neurons as well as nucleus accumbens (NAcc) medium spiny neurons. Dendritic morphology in these regions was studied on postnatal days (P) 2, 7, 14, 21, 35, and 70 in male Sprague-Dawley rats born either vaginally (VAG) or by Cesarean section either with (C + anoxia) or without (C-only) anoxia. The most striking birth group differences seen were at the level of dendritic spine densities on P35. During this postnatal period the dendritic spine density of PFC neurons was significantly lower in C + anoxia and C-only animals than in VAG controls; however, by P70 PFC spine densities in all birth groups were comparable. In contrast, hippocampal spine densities on P35 were comparably greater in C + anoxia animals than in VAG controls, whereas in C-only animals spine densities were lower than controls; here again, by P70 all groups had comparable hippocampal spine densities. In NAcc greater spine densities were seen on medium spiny neurons of C + anoxia animals on P35. These findings provide evidence that perinatal insult in the form of Cesarean birth with or without anoxia alters the dendritic development of PFC and hippocampal pyramidal neurons and to some extent also of NAcc medium spiny neurons. They also suggest that perinatal anoxia can alter the neuronal development of key structures thought to be affe…

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Crossref · 10.1002/cne.21651

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  • In animal models, delivery by C-section leads to transient alterations in neural development including decreased dendritic arborization and increased neuronal cell death at birth.

    “In animal models, delivery by C-section leads to transient alterations in the neural development including decreased dendritic arborization (Chiesa et al., 2018;Juarez et al., 2008) and increased neuronal cell death at birth (Castillo-Ruiz et al., 2018).”

    From The Microbiota-Gut-Brain Axis (2019) · cites this paper as Juarez et al., 2008

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Authors
Juárez, I., Gratton, A., & Flores, G.
Affiliations
Douglas Mental Health University Institute (CA)
Corresponding author
Flores, Gonzalo
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
2008-02-05
Volume
507
Issue
5
Pages
1734-1747
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
OpenAlex
W1965156990
Cited by
89
References
104
Citations by year
2026: 1 · 2025: 5 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 2 · 2020: 5 · 2019: 6 · 2018: 5 · 2017: 5 · 2016: 7 · 2015: 7 · 2014: 8 · 2013: 10 · 2012: 4
FWCI
4.49
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
perinatal anoxia, cesarean section, dendritic spine density, dendritic morphology, prefrontal cortex, hippocampus, nucleus accumbens, medium spiny neurons, pyramidal neurons, neuronal development, ontogeny, schizophrenia, attention deficit hyperactivity disorder
MeSH terms
Animals, Animals, Newborn, Birth Injuries, Brain, Hypoxia, Brain, Cesarean Section, Dendrites, Female, Fetal Hypoxia, Pregnancy, Rats, Sprague-Dawley, Rats

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