The interplay of oxytocin and sex hormones.

The neuropeptide oxytocin has historically been associated with reproduction and maternal behavior. However, more recent research has uncovered that oxytocin has a much wider range of roles in physiology and behavior. Despite the excitement surrounding potential therapeutical applications of intranasally administered oxytocin, the results of these intervention studies have been inconsistent. Various reasons for these mixed results have been proposed, which tend to focus on methodological issues, such as study design. While methodological issues are certainly important, emerging evidence suggests that the interaction between oxytocin and sex hormones may also account for these varied findings. To better understand the purpose and function of the interaction of oxytocin with sex hormones, with a focus on estrogens, progesterone, and testosterone, we conducted a comprehensive thematic review via four perspectives: evolutionary, developmental, mechanistic, and survival. Altogether, this synergistic approach highlights the critical function of sex hormone activity for accomplishing the diverse roles of oxytocin via the modulation of oxytocin release and oxytocin receptor activity, which is also likely to contribute to the heterogeneity of outcomes after oxytocin administration. Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.

Citation

Daniel S Quintana, Bernt D Glaser, Heemin Kang, Emilie S M Kildal, Kristin Audunsdottir, Alina M Sartorius, Claudia Barth. The interplay of oxytocin and sex hormones. Neuroscience and biobehavioral reviews. 2024 Aug;163:105765

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PMID: 38885888

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