The relationship between dogs and their owners is characterized by an affective and enduring bond. It has been suggested that oxytocin might be the underlying mechanism driving this relationship, however evidence is mixed. In this study we tested whether intranasally administered oxytocin (compared to saline) would influence dogs' behavioural synchrony and shared attention towards their owners. Each individuals' pre and post administration oxytocin concentrations (measured in urine) were included in the analyses. Urinary oxytocin concentrations after administrations were positively associated with dogs' duration of social proximity and looking behaviours towards their owners supporting the role of oxytocin in modulating dogs' human-directed social behaviours.
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http://dx.doi.org/10.1016/j.physbeh.2021.113451 | DOI Listing |
Eat Weight Disord
January 2025
Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome "La Sapienza", Policlinico Umberto Viale del Policlinico 155 - 00161, Rome, Italy.
Purpose: Obesity is a complex heterogeneous disease often associated with dysfunctional eating behavior patterns. Oxytocin (OT) is a neurohormone involved in the regulation of energy metabolism and eating behavior. The aim of the present study was to evaluate in a population of patients with obesity circulating levels of OT and dysfunctional eating behaviors in relation to anthropometric, hormonal and metabolic parameters.
View Article and Find Full Text PDFBMJ Open
January 2025
Department of Anesthesiology, People's Liberation Army The General Hospital of Western Theater Command, Chengdu, Sichuan, China
Introduction: Patients undergoing surgical procedures are often prone to developing acute stress disorder (ASD) postoperatively. Presently, oxytocin nasal spray has shown significant potential in the treatment of stress-related neuropsychiatric diseases. However, there are few reports on the use of oxytocin nasal spray in postoperative ASD, a condition that can potentially develop into a high-risk factor for post-traumatic stress disorder.
View Article and Find Full Text PDFReprod Sci
January 2025
Department of Physiology, College of Graduate Studies, Midwestern University, Downers Grove, IL, 60515, USA.
The experience of pregnancy affects uterine function well beyond delivery. We previously demonstrated that the response to oxytocin is more robust in the uteri of proven breeder rats. This study investigates the contribution of T-type calcium channels (TTCCs) and L-type calcium channels (LTCCs) to the distinct response of virgin (V) and proven breeder (PB) rat uteri to oxytocin.
View Article and Find Full Text PDFReprod Sci
January 2025
Department of Pharmacology, University of Nevada, Reno School of Medicine, 1664 North Virginia St., Reno, NV, 89557, USA.
Matrix metallopeptidase 9 (MMP9) is a secreted zinc-dependent peptidase known for extracellular remodeling. MMP9 is elevated in tissues from women experiencing preterm labor, and previous research has shown that the addition of combined matrix metallopeptidases 2 and 9 (MMP2/9) enhances uterine contractions. We hypothesized that adding MMP9 alone would enhance myometrial contractions and that specific MMP9 inhibition would suppress uterine contractions.
View Article and Find Full Text PDFBest Pract Res Clin Anaesthesiol
September 2024
Center for Reproductive Medicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA; Harvard Medical School, USA. Electronic address:
Uterotonics are the mainstay of management for postpartum haemorrhage and an understanding of their use is essential for the obstetric anaesthetist. First-line uterotonics comprise oxytocin and carbetocin, which act on the oxytocin receptor, and recent research has shown that lower doses of first-line uterotonics can be used to adequate effect. The oxytocin receptor is known to undergo desensitisation with exposure to the agonist over time and with increasing concentrations.
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