Microinjection of arginine-vasopressin into the periaqueductal gray stimulates flank marking in Syrian-hamsters (Mesocricetus-Auratus)
Abstract
Syrian hamsters can communicate using a distinctive form of scent marking called flank marking. Vasopressin-sensitive neurons within the medial preoptic-anterior hypothalamic continuum (MPOA-AH) play a critical role in the control of this form of olfactory communication. Extrahypothalamic regions may also mediate hamster flank marking. Since the MPOA-AH and the periaqueductal gray (PAG) are reciprocally connected, the present study investigated whether PAG neurons are involved in the control of flank marking. The first study found that microinjection of vasopressin, but not oxytocin or saline, into the PAG induced high levels of flank marking in male (n = 8) and female (n = 5) hamsters (P less than 0.01). The second study demonstrated that microinjection of vasopressin into the PAG stimulated flank marking in a dose-dependent manner in both male (n = 7) and female (n = 11) hamsters (P less than 0.01). These data suggest that vasopressin-responsive neurons within the periaqueductal gray participate in the control of hamster flank marking.
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Injection of AVP into several brain sites, including the anterior hypothalamus, lateral septum, and periaqueductal gray, induces robust bouts of flank marking in Syrian hamsters.
“Injection of AVP into several brain sites including the anterior hypothalamus (AH), the lateral septum (LS), and the periaqueductal gray (PAG), induce robust bouts of flank marking [55; 56; 57; 58].”
From Cross-talk among oxytocin and arginine-vasopressin receptors: Relevance for basic and clinical studies of the brain and periphery (2018) · cites this paper as [55]
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References 49 · Cited by 52
- Authors
- Hennessey, A. C., Carol Whitman, D., & elliott Albers, H.
- Affiliations
- Georgia State University (US)
- Corresponding author
- Hennessey, Ann C.
- Venue
- Brain Research
- Publisher
- Elsevier BV
- Published
- 1992-01
- Volume
- 569
- Issue
- 1
- Pages
- 136-140
- ISSN
- 0006-8993 (ISSN-L)
- OpenAlex
- W1997578245
- Cited by
- 52
- References
- 49
- Citations by year
- 2024: 1 · 2023: 2 · 2022: 1 · 2020: 1 · 2019: 1 · 2017: 2 · 2016: 2 · 2015: 1 · 2014: 2 · 2013: 1
- FWCI
- 4.12
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Brain Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
- Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
- Keywords
- vasopressin, periaqueductal gray, flank marking, scent marking, olfactory communication, golden hamster, oxytocin, sex differences
- MeSH terms
- Animals, Animal Communication, Arginine Vasopressin, Behavior, Animal, Female, Cricetinae, Male, Mesocricetus, Microinjections, Odorants, Oxytocin, Periaqueductal Gray, Sex Characteristics
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