Abstract
The regulation of neurohypophyseal peptides secretion reflects the convergence of a large number of afferent neural pathways on vasopressinergic and oxytocinergic neurons of supraoptic (SON) and paraventricular nuclei (PVN). In addition to afferent input, vasopressin and oxytocin can also exert an autocrine regulation of neuronal activity. In fact, magnocellular neurons (MCNs) of SON and PVN are able to secrete these hormones not only at the endings of their terminal axons, but also from their dendrites and this local release, by activating a range of ion gated, ion channel and G protein coupled receptors, participate in pre- and post-synaptic modulation of neural activity of MCNs. In this review we analyzed the molecular mechanisms involved in the control of neurohypophyseal hormones secretion and related possible pharmacological targets.
Keywords: Dehydration, lactation, parturition, vasopressin, oxytocin, hypotalamo-neurohyposyeal system, molecular mechanisms, pharmacological targets.
Current Pharmaceutical Design
Title:Molecular Mechanisms Involved in the Control of Neurohypophyseal Hormones Secretion
Volume: 20 Issue: 42
Author(s): M. Iovino, E. Guastamacchia, V.A. Giagulli, B. Licchelli, E. Iovino and V. Triggiani
Affiliation:
Keywords: Dehydration, lactation, parturition, vasopressin, oxytocin, hypotalamo-neurohyposyeal system, molecular mechanisms, pharmacological targets.
Abstract: The regulation of neurohypophyseal peptides secretion reflects the convergence of a large number of afferent neural pathways on vasopressinergic and oxytocinergic neurons of supraoptic (SON) and paraventricular nuclei (PVN). In addition to afferent input, vasopressin and oxytocin can also exert an autocrine regulation of neuronal activity. In fact, magnocellular neurons (MCNs) of SON and PVN are able to secrete these hormones not only at the endings of their terminal axons, but also from their dendrites and this local release, by activating a range of ion gated, ion channel and G protein coupled receptors, participate in pre- and post-synaptic modulation of neural activity of MCNs. In this review we analyzed the molecular mechanisms involved in the control of neurohypophyseal hormones secretion and related possible pharmacological targets.
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Iovino M., Guastamacchia E., Giagulli V.A., Licchelli B., Iovino E. and Triggiani V., Molecular Mechanisms Involved in the Control of Neurohypophyseal Hormones Secretion, Current Pharmaceutical Design 2014; 20 (42) . https://dx.doi.org/10.2174/1381612820666140905150730
DOI https://dx.doi.org/10.2174/1381612820666140905150730 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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