Cited by 251Stress Responses and CortisolNeuropeptides and Animal PhysiologyNeuroendocrine regulation and behavior

Individual Differences in Reactivity to Social Stress Predict Susceptibility and Resilience to a Depressive Phenotype: Role of Corticotropin-Releasing Factor

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Wood, Susan K., Walker, Hayley E., Valentino, Rita J., Bhatnagar, Seema·2010·Endocrinology

Abstract

Previous social stress exposure is a common risk factor for affective disorders. However, factors that determine vulnerability or resiliency to social stress-induced psychopathologies remain unclear. Using a rodent model of social stress, the present study was designed to identify putative neurobiological substrates that contribute to social stress-induced psychopathology and factors that influence or predict vulnerability. The resident-intruder model of defeat was used as a social stressor in adult male Sprague Dawley rats. The average latency to assume a subordinate posture (signaling defeat) over seven daily defeat exposures was calculated and examined with respect to endpoints of hypothalamic-pituitary-adrenal activity, components of the corticotropin-releasing factor (CRF) system, and behaviors that are relevant to human depression. In the present studies, a bimodal distribution emerged in an otherwise homogeneous population of Sprague Dawley rats such that 42% of rats exhibited short defeat latencies (<300 sec), whereas 58% of rats resisted defeat and exhibited longer latencies (>300 sec). These two phenotypes were associated with distinct endocrine and behavioral profiles as well as differences in components of the CRF system. Notably, the short-latency subpopulation exhibited hypothalamic-pituitary-adrenal dysregulation and behavior similar to that observed in melancholic depression. Examination of components of the CRF system suggested that proactive behavior in resisting defeat exhibited by long-latency rats was associated with decreased efficacy of CRF. Together, these data suggest that inherent differences in stress reactivity, perhaps as a result of differences in CRF regulation, may predict long-term consequences of social stress and vulnerability to depressive-like symptoms.

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Crossref · 10.1210/en.2009-1026

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  • During social defeat stress, animals that engage in less submissive posturing during attack show less social avoidance, suggesting this behavioral coping strategy may lessen stress effects.

    “During social defeat stress, animals that engage in less submissive posturing during the attack show less social avoidance, suggesting that this behavioral coping strategy may affect the aggressive interaction and thereby lessen the effects of the stress55.”

    From Neurobiology of resilience (2012) · cites this paper as [55]

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Authors
Wood, S. K., Walker, H. E., Valentino, R. J., & Bhatnagar, S.
Affiliations
Children's Hospital of Philadelphia (US)
Corresponding author
Bhatnagar, Seema
Venue
Endocrinology
Published
2010-04
Volume
151
Issue
4
Pages
1795-1805
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2023866397
Cited by
251
References
56
Citations by year
2026: 5 · 2025: 13 · 2024: 19 · 2023: 5 · 2022: 18 · 2021: 14 · 2020: 16 · 2019: 20 · 2018: 27 · 2017: 9 · 2016: 18 · 2015: 20 · 2014: 28 · 2013: 20 · 2012: 7
FWCI
5.37
Type
journal article
Language
en
Open access
Locations
  • Endocrinology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Heart Association
  • Children's Hospital of Philadelphia
  • National Institute of Mental Health
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
social stress, stress reactivity, corticotropin-releasing factor, depression, resilience, hypothalamic-pituitary-adrenal axis, endogenous depression, individual differences, Sprague-Dawley rats
MeSH terms
Adrenocorticotropic Hormone, Analysis of Variance, Animals, Arginine Vasopressin, Behavior, Animal, Body Weight, Corticotropin-Releasing Hormone, Depression, Dominance-Subordination, Hypothalamo-Hypophyseal System, Individuality, Male, Paraventricular Hypothalamic Nucleus, Pituitary Gland, Pituitary-Adrenal System, Restraint, Physical, RNA, Messenger, Stress, Physiological, Stress, Psychological, Time Factors, Cluster Analysis, Proto-Oncogene Proteins c-fos, Rats, Sprague-Dawley, In Situ Hybridization, Rats, Long-Evans, Rats

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