Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control

Complex neural circuits within the hypothalamus that govern essential autonomic processes and associated behaviors signal using amino acid and monoamine transmitters and a variety of neuropeptide (hormone) modulators, often via G-protein coupled receptors (GPCRs) and associated cellular pathways. Re...

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Main Authors: Despina E Ganella, Sherie eMa, Andrew L Gundlach
Format: Article
Language:English
Published: Frontiers Media S.A. 2013-09-01
Series:Frontiers in Endocrinology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fendo.2013.00128/full
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author Despina E Ganella
Sherie eMa
Andrew L Gundlach
author_facet Despina E Ganella
Sherie eMa
Andrew L Gundlach
author_sort Despina E Ganella
collection DOAJ
description Complex neural circuits within the hypothalamus that govern essential autonomic processes and associated behaviors signal using amino acid and monoamine transmitters and a variety of neuropeptide (hormone) modulators, often via G-protein coupled receptors (GPCRs) and associated cellular pathways. Relaxin-3 is a recently identified neuropeptide that is highly conserved throughout evolution. Neurons expressing relaxin-3 are located in the brainstem, but broadly innervate the entire limbic system including the hypothalamus. Extensive anatomical data in rodents and non-human primate, and recent regulatory and functional data, suggest relaxin-3 signaling via its cognate GPCR, RXFP3, has a broad range of effects on neuroendocrine function associated with stress responses, feeding and metabolism, motivation and reward, and possibly sexual behavior and reproduction. Therefore, this article aims to highlight the growing appreciation of the relaxin-3/RXFP3 system as an important ‘extrinsic’ regulator of the neuroendocrine axis by reviewing its neuroanatomy and its putative roles in arousal-, stress- and feeding-related behaviors and links to associated neural substrates and signaling networks. Current evidence identifies RXFP3 as a potential therapeutic target for treatment of neuroendocrine disorders and related behavioral dysfunction.
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spelling doaj.art-26a79f2b91024e7e8d115f7331094cf22022-12-21T18:51:10ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922013-09-01410.3389/fendo.2013.0012863372Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic controlDespina E Ganella0Sherie eMa1Andrew L Gundlach2The Florey Institute of Neuroscience and Mental HealthThe Florey Institute of Neuroscience and Mental HealthThe Florey Institute of Neuroscience and Mental HealthComplex neural circuits within the hypothalamus that govern essential autonomic processes and associated behaviors signal using amino acid and monoamine transmitters and a variety of neuropeptide (hormone) modulators, often via G-protein coupled receptors (GPCRs) and associated cellular pathways. Relaxin-3 is a recently identified neuropeptide that is highly conserved throughout evolution. Neurons expressing relaxin-3 are located in the brainstem, but broadly innervate the entire limbic system including the hypothalamus. Extensive anatomical data in rodents and non-human primate, and recent regulatory and functional data, suggest relaxin-3 signaling via its cognate GPCR, RXFP3, has a broad range of effects on neuroendocrine function associated with stress responses, feeding and metabolism, motivation and reward, and possibly sexual behavior and reproduction. Therefore, this article aims to highlight the growing appreciation of the relaxin-3/RXFP3 system as an important ‘extrinsic’ regulator of the neuroendocrine axis by reviewing its neuroanatomy and its putative roles in arousal-, stress- and feeding-related behaviors and links to associated neural substrates and signaling networks. Current evidence identifies RXFP3 as a potential therapeutic target for treatment of neuroendocrine disorders and related behavioral dysfunction.http://journal.frontiersin.org/Journal/10.3389/fendo.2013.00128/fullArginine VasopressinMetabolismOxytocinReproductionStress, Psychologicalfeeding
spellingShingle Despina E Ganella
Sherie eMa
Andrew L Gundlach
Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control
Frontiers in Endocrinology
Arginine Vasopressin
Metabolism
Oxytocin
Reproduction
Stress, Psychological
feeding
title Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control
title_full Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control
title_fullStr Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control
title_full_unstemmed Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control
title_short Relaxin-3/RXFP3 signaling and neuroendocrine function – A perspective on extrinsic hypothalamic control
title_sort relaxin 3 rxfp3 signaling and neuroendocrine function a perspective on extrinsic hypothalamic control
topic Arginine Vasopressin
Metabolism
Oxytocin
Reproduction
Stress, Psychological
feeding
url http://journal.frontiersin.org/Journal/10.3389/fendo.2013.00128/full
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AT sherieema relaxin3rxfp3signalingandneuroendocrinefunctionaperspectiveonextrinsichypothalamiccontrol
AT andrewlgundlach relaxin3rxfp3signalingandneuroendocrinefunctionaperspectiveonextrinsichypothalamiccontrol