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Oliveira, Vinícius E. de M. ; de Jong, Trynke R. ; Neumann, Inga D.

Synthetic Oxytocin and Vasopressin Act Within the Central Amygdala to Exacerbate Aggression in Female Wistar Rats

Oliveira, Vinícius E. de M., de Jong, Trynke R. und Neumann, Inga D. (2022) Synthetic Oxytocin and Vasopressin Act Within the Central Amygdala to Exacerbate Aggression in Female Wistar Rats. Frontiers in Neuroscience 2022 (16), S. 906617.

Veröffentlichungsdatum dieses Volltextes: 14 Jul 2022 05:47
Artikel
DOI zum Zitieren dieses Dokuments: 10.5283/epub.52591


Zusammenfassung

Exacerbated aggression is a high-impact, but poorly understood core symptom of several psychiatric disorders, which can also affect women. Animal models have successfully been employed to unravel the neurobiology of aggression. However, despite increasing evidence for sex-specificity, little is known about aggression in females. Here, we studied the role of the oxytocin (OXT) and arginine ...

Exacerbated aggression is a high-impact, but poorly understood core symptom of several psychiatric disorders, which can also affect women. Animal models have successfully been employed to unravel the neurobiology of aggression. However, despite increasing evidence for sex-specificity, little is known about aggression in females. Here, we studied the role of the oxytocin (OXT) and arginine vasopressin (AVP) systems within the central amygdala (CeA) on aggressive behavior displayed by virgin female Wistar rats using immunohistochemistry, receptor autoradiography, and neuropharmacology. Our data show that CeA GABAergic neurons are activated after an aggressive encounter in the female intruder test. Additionally, neuronal activity (pERK) negatively correlated with the display of aggression in low-aggressive group-housed females. Binding of OXT receptors, but not AVP-V1a receptors, was increased in the CeA of high-aggressive isolated and trained (IST) females. Finally, local infusion of either synthetic OXT or AVP enhanced aggression in IST females, whereas blockade of either of these receptors did not affect aggressive behavior. Altogether, our data support a moderate role of the CeA in female aggression. Regarding neuropeptide signaling, our findings suggest that synthetic, but not endogenous OXT and AVP modulate aggressive behavior in female Wistar rats.



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Details

DokumentenartArtikel
Titel eines Journals oder einer ZeitschriftFrontiers in Neuroscience
Verlag:Frontiers
Ort der Veröffentlichung:LAUSANNE
Band:2022
Nummer des Zeitschriftenheftes oder des Kapitels:16
Seitenbereich:S. 906617
Datum18 Mai 2022
InstitutionenBiologie und Vorklinische Medizin > Institut für Zoologie > Tierphysiologie/Neurobiologie (Prof. Dr. Inga Neumann)
Identifikationsnummer
WertTyp
10.3389/fnins.2022.906617DOI
Stichwörter / KeywordsMATERNAL AGGRESSION; RECEPTOR-BINDING; SEX-DIFFERENCES; V1A RECEPTORS; BEHAVIOR; BRAIN; RELEASE; NUCLEUS; SEROTONIN; RODENTS; female intruder test; aggression training; social isolation; amygdala; social behavior; aggression; vasopressin; oxytocin
Dewey-Dezimal-Klassifikation500 Naturwissenschaften und Mathematik > 590 Tiere (Zoologie)
StatusVeröffentlicht
BegutachtetJa, diese Version wurde begutachtet
An der Universität Regensburg entstandenJa
URN der UB Regensburgurn:nbn:de:bvb:355-epub-525919
Dokumenten-ID52591

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