Cited by 78Neurogenesis and neuroplasticity mechanismsStress Responses and CortisolNeuroscience and Neuropharmacology Research

Widespread transcriptional alternations in oligodendrocytes in the adult mouse brain following chronic stress

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Liu, Jia, Dietz, Karen, Hodes, Georgia E., Russo, Scott J., Casaccia, Patrizia·2018·Developmental Neurobiology

Abstract

Emerging evidence shows that oligodendrogenesis and myelination are highly responsive to behavioral experience, including physical activity and social experience. This form of myelin plasticity is being increasingly appreciated and examined in the prefrontal cortex (PFC), a critical brain region involved in complex emotional and cognitive behavior. However, it remains unclear whether myelination in other brain regions is affected by behavioral experience. Here we report that exposure to 4 weeks of chronic variable stress induced anxiety‐ and depressive‐like behavior in male adult mice. In concert with these behavioral responses, transcriptional analysis of PFC, and nucleus accumbens (NAc)—a brain region critical for reward response—revealed downregulation of transcripts encoding for myelin genes and oligodendrocyte‐specific genes. In contrast, upregulation of myelin‐related transcripts was observed in the corpus callosum (CC), whereas the amygdala (AMG) did not show significant changes. Shorter exposure to the same stressors induced behavioral changes to a less extent and was followed by a stress habituation period. However, reduced myelin and oligodendrocyte‐specific gene transcripts were detected as early as one week following stress exposure in the PFC and NAc. These data indicate that oligodendrocyte and their progenitors in multiple brain regions are responsive to stressful experiences and show distinctive and region‐specific patterns of gene expression. © 2017 Wiley Periodicals, Inc. Develop Neurobiol 78: 152–162, 2018

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Authors
Liu, J., Dietz, K., Hodes, G. E., Russo, S. J., & Casaccia, P.
Affiliations
  • The Graduate Center, CUNY (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Virginia Tech (US)
Corresponding author
Liu, Jia
Venue
Developmental Neurobiology
Publisher
Wiley
Published
2017-09-14
Volume
78
Issue
2
Pages
152-162
ISSN
  • 1932-8451 (ISSN-L)
  • 1932-846X
OpenAlex
W2752824298
Cited by
75
References
38
Citations by year
2026: 3 · 2025: 4 · 2024: 13 · 2023: 11 · 2022: 8 · 2021: 10 · 2020: 12 · 2019: 6 · 2018: 8
FWCI
3.01
Type
journal article
Language
en
Open access
Locations
  • Developmental Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NIH‐R37 NS042925)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
chronic variable stress, oligodendrocytes, myelination, myelin plasticity, prefrontal cortex, nucleus accumbens, corpus callosum, amygdala, anxiety-like behavior, depression-like behavior, gene expression, stress habituation, oligodendrocyte progenitors, behavioral experience
MeSH terms
Animals, Anxiety, Brain, Chronic Disease, Depression, Disease Models, Animal, Gene Expression Regulation, Male, Mice, Inbred C57BL, Oligodendroglia, Stress, Psychological, Time Factors, Neural Stem Cells, Transcriptome

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