Research reportOxytocin and vasopressin release in the olfactory bulb of parturient ewes: changes with maternal experience and effects on acetylcholine, γ-aminobutyric acid, glutamate and noradrenaline release
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Cited by (159)
Species differences in the effect of oxytocin on maternal behavior: A model incorporating the potential for allomaternal contributions
2022, Frontiers in NeuroendocrinologyCitation Excerpt :Following parturition, ewes and does form an exclusive singular bond with their own offspring, and this singular bond is driven by central oxytocin (Collias, 1956; Hersher et al., 1963; Poindron et al., 2007). Oxytocin is centrally released during parturition in response to vaginal distension (Flint et al., 1975; Kendrick et al., 1988a; Kendrick et al., 1992; Kendrick et al., 1988b; Kendrick et al., 1986; Lévy et al., 1995). Artificially mimicking parturition by stimulating the vaginas of non-pregnant, ovarian hormone-primed ewes rapidly induces caregiving of a foster lamb (Keverne et al., 1983).
Sex differences of oxytocin and vasopressin in social behaviors
2021, Handbook of Clinical NeurologyCitation Excerpt :OT release in the olfactory bulb (OB) at delivery may help ewes to recognize lamb odors via acetylcholine (Ach), noradrenaline (NA), and γ-aminobutyric acid (GABA) release, which are pivotal in the formation of olfactory memory. Intriguingly, this kind of OT release was reduced in primiparous ewes relative to multiparous ewes, which may be a basis for the decreased modulation of Ach and NA release, and the longer period for maternally inexperienced ewes to selectively bond with their lambs (Lévy et al., 1995). Parturition-experienced mothers had indeed higher central OT levels than primipara, associated with a better maternal retrieval behavior (Lopatina et al., 2011).
Differential effects of oxytocin on olfactory, hippocampal and hypothalamic neurogenesis in adult sheep
2019, Neuroscience LettersCitation Excerpt :In addition, no change in cell proliferation (Ki67+ and Sox2+ cells) is observed in the three neurogenic niches. Previous studies in sheep reported that, at parturition, an increased release of OT occurs within the granular layer of the OB [34]. In addition, during the peripartum period, a down-regulation of the number of neuroblasts (DCX+ cells) has been reported within the granular layer of the OB [11].
Oxytocin levels in the saliva of preterm infant twins during Kangaroo care
2018, Biological Psychology