Cited by 29Neurogenesis and neuroplasticity mechanismsMemory and Neural MechanismsStress Responses and Cortisol

Running‐induced anxiety is dependent on increases in hippocampal neurogenesis

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Onksen, J. L., Briand, L. A., Galante, R. J., Pack, A. I., Blendy, J. A.·2012·Genes, Brain and Behavior

Abstract

Exercise, specifically voluntary wheel running, is a potent stimulator of hippocampal neurogenesis in adult mice. In addition, exercise induces behavioral changes in numerous measures of anxiety in rodents. However, the physiological underpinnings of these changes are poorly understood. To investigate the role of neurogenesis in exercise‐mediated anxiety, we examined the cellular and behavioral effects of voluntary wheel running in mice with a reduction in hippocampal neurogenesis, achieved through conditional deletion of ataxia telangiectasia‐mutated and rad‐3‐related protein (ATR), a cell cycle checkpoint kinase necessary for normal levels of neurogenesis. Following hippocampal microinjection of an adeno‐associated virus expressing Cre recombinase to delete ATR, mice were exposed to 4 weeks of voluntary wheel running and subsequently evaluated for anxiety‐like behavior. Wheel running resulted in increased cell proliferation and neurogenesis, as measured by bromodeoxyuridine and doublecortin, respectively. Wheel running also resulted in heightened anxiety in the novelty‐induced hypophagia, open field and light–dark box tests. However, both the neurogenic and anxiogenic effects of wheel running were attenuated following hippocampal ATR deletion, suggesting that increased neurogenesis is an important mediator of exercise‐induced anxiety.

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Crossref · 10.1111/j.1601-183x.2012.00788.x

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  • Previous studies have shown an increased anxiety-like phenotype in consequence of increased neurogenesis induced by voluntary wheel running.

    “Moreover, previous studies have shown an increased anxiety-like phenotype in consequence of increased neurogenesis induced by voluntary wheel running.37, 38, 39”

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Authors
Onksen, J. L., Briand, L. A., Galante, R. J., Pack, A. I., & Blendy, J. A.
Affiliations
University of Pennsylvania (US)
Corresponding author
Blendy, J. A.
Venue
Genes, Brain and Behavior
Publisher
Wiley
Published
2012-05-03
Volume
11
Issue
5
Pages
529-538
ISSN
  • 1601-183X (ISSN-L)
  • 1601-1848
OpenAlex
W2015669902
Cited by
29
References
48
Citations by year
2026: 1 · 2024: 1 · 2022: 1 · 2020: 1 · 2019: 1 · 2018: 2 · 2017: 5 · 2016: 2 · 2015: 4 · 2014: 4 · 2013: 6 · 2012: 1
FWCI
1.61
Type
journal article
Language
en
Open access
Locations
  • Genes Brain & Behavior (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • University of Pennsylvania
  • National Institutes of Health
  • National Institute of Mental Health (F31MH087103)
  • National Institute on Drug Abuse (R01DA011649, T32DA007281)
  • National Cancer Institute (P50CA143187)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
voluntary wheel running, physical activity, anxiety-like behavior, hippocampal neurogenesis, ATR, conditional gene deletion, neurogenesis, novelty-induced hypophagia, open field, light-dark box, adeno-associated virus, Cre recombinase, doublecortin, bromodeoxyuridine
MeSH terms
Animals, Anxiety, Behavior, Animal, Cell Count, Hippocampus, Mice, Transgenic, Neurons, Physical Conditioning, Animal, Running, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Cell Proliferation, Mice, Neurogenesis, Ataxia Telangiectasia Mutated Proteins

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