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The pharmacodynamic modulation effect of oxytocin on resting state functional connectivity network topology.
Front Pharmacol
January 2025
MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China.
Introduction: Neuroimaging studies have demonstrated that intranasal oxytocin has extensive effects on the resting state functional connectivity of social and emotional processing networks and may have therapeutic potential. However, the extent to which intranasal oxytocin modulates functional connectivity network topology remains less explored, with inconsistent findings in the existing literature. To address this gap, we conducted an exploratory data-driven study.
View Article and Find Full Text PDFMechanosensation of the heart and gut elicits hypometabolism and vigilance in mice.
Nat Metab
January 2025
Neuroscience Institute, College of Arts and Sciences, Georgia State University, Atlanta, GA, USA.
Interoception broadly refers to awareness of one's internal milieu. Although the importance of the body-to-brain communication that underlies interoception is implicit, the vagal afferent signalling and corresponding brain circuits that shape perception of the viscera are not entirely clear. Here, we use mice to parse neural circuits subserving interoception of the heart and gut.
View Article and Find Full Text PDFGestational stress disrupts dopamine and oxytocin signaling in the postpartum reward system of rats: implications for mood, motivation and mothering.
Sci Rep
January 2025
Neuroscience Graduate Program, The Ohio State University, Columbus, OH, 43210, USA.
Postpartum depression (PPD) affects up to 20% of new mothers and has adverse consequences for the well-being of both mother and child. Exposure to stress during pregnancy as well as dysregulation in the mesolimbic dopamine (DA) reward system and its upstream modulator oxytocin (OT) have been independently linked to PPD. However, no studies have directly examined DA or OT signaling in the postpartum brain after gestational stress.
View Article and Find Full Text PDFAnalgesic effect of oxytocin in alcohol-dependent male and female rats.
Alcohol
December 2024
Department of Pharmacology, Addiction Science, and Toxicology, University of Tennessee Health Science Center, Memphis, TN, USA. Electronic address:
Introduction: Chronic alcohol exposure in humans and rodents causes tolerance to the analgesic effects of alcohol, and enhances pain sensitivity during alcohol withdrawal (i.e., hyperalgesia).
View Article and Find Full Text PDFIntranasal oxytocin alleviates postsurgical pain and comorbid anxiety in mice: Participation of BK(Ca) channels in the hippocampus.
Neuropharmacology
March 2025
Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical Medical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, Fujian, PR China.
The affective dimension in postsurgical pain is still poorly understood. Since neuropeptide oxytocin (OXT) has been implicated in a broad spectrum of pain and negative emotion, we investigated the potential therapeutic effect of intranasal OXT on postsurgical pain and associated anxiety in a mice model of plantar incision. The role of large conductance Ca(2+)-activated K(+) (BK(Ca)) channels was explored by using behavioral pharmacology experiments.
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