Cited by 216Neuroendocrine regulation and behaviorStress Responses and CortisolNeuropeptides and Animal Physiology

The CRF system mediates increased passive stress-coping behavior following the loss of a bonded partner in a monogamous rodent

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Bosch, Oliver J, Nair, Hemanth P, Ahern, Todd H, Neumann, Inga D, Young, Larry J·2009·Neuropsychopharmacology

Abstract

Social relationships significantly influence physiology and behavior, including the hypothalamo-pituitary-adrenal axis, anxiety, and mental health. Disruption of social bonds through separation or death often results in profound grieving, depression, and physical illness. As the monogamous prairie vole forms enduring, selective pair bonds with the mating partner, they provide an animal model to study the physiological consequences of pair bonding and, thus, the loss of the bonded partner. Male prairie voles were paired with a novel female or male sibling. After 5 days, half of the males of each group were separated from the partner. Elevated plus-maze, forced swim, and tail suspension tests were used to assess anxiety-like and passive stress-coping behaviors indicative of depressive-like behavior. Following 4 days of separation from the female but not the male partner, experimental males displayed increased passive stress-coping. This effect was abolished by long-term intracerebroventricular infusion of a nonselective corticotropin-releasing factor (CRF) receptor antagonist without disrupting the bond itself. Both CRF type 1 and 2 receptors were involved in the emergence of passive stress-coping behavior. Furthermore, pairing with a female was associated with elevated CRF mRNA in the bed nucleus of the stria terminalis, and partner loss elicited a pronounced increase in circulating corticosteroid and adrenal weight. We speculate that the CRF system may mediate an aversive affect following separation from the female partner, which may facilitate proximity seeking between the pair-bonded individuals. Hence, the prairie vole model may provide insights into brain mechanisms involved in the psychopathological consequences of partner loss.

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Crossref · 10.1038/npp.2008.154

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  • CRF mRNA is elevated in the BNST of pair-bonded male voles compared to non-paired males, and CRF2s colocalize to OT neurons in the PVN and OT fibers projecting to the NAc.

    “Interestingly, CRF mRNA is elevated in the BNST of pair-bonded male voles, as compared to non-paired males, and CRF2s colocalize to OT neurons in the PVN and OT fibers projecting to the NAc [166,169].”

    From The Neurobiology of Love and Pair Bonding from Human and Animal Perspectives (2023) · cites this paper as [166]

    The Results section, “Pairing with a Female Increased CRF mRNA in the mBNST” (page unavailable), reports higher CRF mRNA in males paired with a female than in males paired with a male sibling. The comparator was not an unpaired group, and our copy does not report CRF-R2 colocalization with oxytocin neurons in the PVN or oxytocin fibers projecting to the NAc. (LLM, conf=0.88)

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  • Infusions of OT to the NAc reduce passive stress-coping of separated male prairie voles.

    “OT also plays a role in responses to partner loss, as infusions of OT to the NAc reduce passive stress-coping of separated males.”

    From The Neurobiology of Love and Pair Bonding from Human and Animal Perspectives (2023) · cites this paper as [166]

    The Discussion reports increased passive stress-coping in male prairie voles after separation from a bonded female partner. But the Methods describe intracerebroventricular infusion of CRF-receptor antagonists, not oxytocin infusion into the nucleus accumbens; the copy does not support the claimed OT treatment or its effect. (LLM, conf=0.85)

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  • Upon separation from a pair-bonded partner, male and female prairie voles display depressive- and anxiety-like phenotypes, increased sensitivity to pain, and physiological changes, including elevated heart rate and increased circulating levels of corticosterone and adrenocorticotropic hormone.

    “Upon separation from a pair-bonded partner, male and female prairie voles display depressive- and anxiety-like phenotypes, increased sensitivity to pain, and physiological changes, including elevated heart rate and increased circulating levels of corticosterone and adrenocorticotropic hormone [165,166,167] (Figure 2f).”

    From The Neurobiology of Love and Pair Bonding from Human and Animal Perspectives (2023) · cites this paper as [166]

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  • Heightened HPA activity, shown by increased circulating corticosterone and ACTH, occurs after 1-5 days of isolation in juvenile or pair-bonded adult prairie voles.

    “Heightened HPA axis activity (evidenced by a robust increase in circulating corticosterone and ACTH) is observed after 1–5 days of social isolation in juvenile (3–5 weeks old)68,69 or pair-bonded adult70–72 prairie voles.”

    From Neural mechanisms of social homeostasis (2019) · cites this paper as [70]

  • CRF release during separation from a partner creates an aversive stressful state that motivates the prairie vole to return to the partner, maintaining the pair bond.

    “Furthermore, it may be that CRF release during separation from the partner creates an aversive, stressful state that motivates the prairie vole to return to the partner, which in turn maintains the pair bond (Bosch et al 2009).”

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Authors
Bosch, O. J., Nair, H. P., Ahern, T. H., Neumann, I. D., & Young, L. J.
Affiliations
  • University of Regensburg (DE)
  • Emory University (US)
Corresponding author
Bosch, Oliver J
Venue
Neuropsychopharmacology
Published
2008-10-15
Volume
34
Issue
6
Pages
1406-1415
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W2035202887
Cited by
216
References
88
Citations by year
2026: 5 · 2025: 9 · 2024: 7 · 2023: 8 · 2022: 11 · 2021: 21 · 2020: 11 · 2019: 9 · 2018: 18 · 2017: 17 · 2016: 12 · 2015: 12 · 2014: 14 · 2013: 12 · 2012: 14
FWCI
15.56
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • University of Regensburg Publication Server (University of Regensburg) (acceptedVersion)
Funders
  • National Science Foundation
  • Deutscher Akademischer Austauschdienst
  • Volkswagen Foundation
  • Universität Regensburg
  • U.S. Public Health Service (NCRR RR-00165)
  • National Institute of Mental Health (K02MH064692, MH077776, MH064692, R01MH077776)
  • National Center for Research Resources (RR-00 165, P51RR000165)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
corticotropin-releasing factor, CRF1 receptor, CRF receptor 2, loss of a partner, pair bonding, Microtus ochrogaster, depression-like behavior, anxiety-like behavior, bed nucleus of the stria terminalis, corticosteroids, adrenal weight, social separation, proximity seeking
MeSH terms
Adaptation, Psychological, Adrenal Cortex Hormones, Adrenal Glands, Adrenocorticotropic Hormone, Animals, Anxiety, Corticotropin-Releasing Hormone, Arvicolinae, Depression, Female, Male, Organ Size, Pair Bond, RNA, Messenger, Septal Nuclei, Stress, Psychological, Receptors, Corticotropin-Releasing Hormone

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