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Chen D, Zhang M, Zhang Q, Wu S, Yu B, Zhang X, Hu X, Zhang S, Yang Z, Kuang J, Xu B, Fang Q. The blockade of neuropeptide FF receptor 1 and 2 differentially contributed to the modulating effects on fentanyl-induced analgesia and hyperalgesia in mice. Eur J Pharmacol 2024; 969:176457. [PMID: 38395375 DOI: 10.1016/j.ejphar.2024.176457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 02/25/2024]
Abstract
Neuropeptide FF (NPFF) plays a critical role in various physiological processes through the activation of neuropeptide FF receptor 1 and 2 (NPFFR1 and NPFFR2). Numerous evidence has indicated that NPFF exhibits opposite opioid-modulating effects on opioid-induced analgesia after supraspinal and spinal administrations, while the detailed role of NPFFR1 and NPFFR2 remains unclear. In this study, we employed pharmacological and genetic inhibition of NPFFR to investigate the modulating roles of central NPFFR1 and NPFFR2 in opioid-induced analgesia and hyperalgesia, using a male mouse model of acute fentanyl-induced analgesia and secondary hyperalgesia. Our findings revealed that intrathecal (i.t.) injection of the nonselective NPFFR antagonist RF9 significantly enhanced fentanyl-induced analgesia, whereas intracerebroventricular (i.c.v.) injection did not show the same effect. Moreover, NPFFR2 deficient (npffr2-/-) mice exhibited stronger analgesic responses to fentanyl compared to wild type (WT) or NPFFR1 knockout (npffr1-/-) mice. Intrathecal injection of RF9 in npffr1-/- mice also significantly enhanced fentanyl-induced analgesia. These results indicate a crucial role of spinal NPFFR2 in the enhancement of opioid analgesia. Contrastingly, hyperalgesia induced by fentanyl was markedly reversed in npffr1-/- mice but remained unaffected in npffr2-/- mice. Similarly, i.c.v. injection of the selective NPFFR1 antagonist RF3286 effectively prevented fentanyl-induced hyperalgesia in WT or npffr2-/- mice. Notably, co-administration of i.c.v. RF3286 and i.t. RF9 augmented fentanyl-induced analgesia while reducing hyperalgesia. Collectively, these findings highlight the modulating effects of blocking spinal NPFFR2 and supraspinal NPFFR1 on fentanyl-induced analgesia and hyperalgesia, respectively, which shed a light on understanding the pharmacological function of NPFF system in future studies.
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Affiliation(s)
- Dan Chen
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Mengna Zhang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Qinqin Zhang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Shuyuan Wu
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Bowen Yu
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Xiaodi Zhang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Xuanran Hu
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Shichao Zhang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Zhenyun Yang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Junzhe Kuang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China
| | - Biao Xu
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China.
| | - Quan Fang
- Institute of Physiology, School of Basic Medical Sciences, and State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, 199 Donggang West Road, Lanzhou, 730000, PR China.
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The Effect of the Central Administration of the Neuropeptide VF on Feed Intake and Its Possible Interactions with Glutamate and Opioid Systems in Broiler Chicken. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10407-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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3
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Dardente H, Simonneaux V. GnRH and the photoperiodic control of seasonal reproduction: Delegating the task to kisspeptin and RFRP-3. J Neuroendocrinol 2022; 34:e13124. [PMID: 35384117 DOI: 10.1111/jne.13124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/22/2022] [Accepted: 03/03/2022] [Indexed: 10/18/2022]
Abstract
Synchronization of mammalian breeding activity to the annual change of photoperiod and environmental conditions is of the utmost importance for individual survival and species perpetuation. Subsequent to the early 1960s, when the central role of melatonin in this adaptive process was demonstrated, our comprehension of the mechanisms through which light regulates gonadal activity has increased considerably. The current model for the photoperiodic neuroendocrine system points to pivotal roles for the melatonin-sensitive pars tuberalis (PT) and its seasonally-regulated production of thyroid-stimulating hormone (TSH), as well as for TSH-sensitive hypothalamic tanycytes, radial glia-like cells located in the basal part of the third ventricle. Tanycytes respond to TSH through increased expression of thyroid hormone (TH) deiodinase 2 (Dio2), which leads to heightened production of intrahypothalamic triiodothyronine (T3) during longer days of spring and summer. There is strong evidence that this local, long-day driven, increase in T3 links melatonin input at the PT to gonadotropin-releasing hormone (GnRH) output, to align breeding with the seasons. The mechanism(s) through which T3 impinges upon GnRH remain(s) unclear. However, two distinct neuronal populations of the medio-basal hypothalamus, which express the (Arg)(Phe)-amide peptides kisspeptin and RFamide-related peptide-3, appear to be well-positioned to relay this seasonal T3 message towards GnRH neurons. Here, we summarize our current understanding of the cellular, molecular and neuroendocrine players, which keep track of photoperiod and ultimately govern GnRH output and seasonal breeding.
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Affiliation(s)
- Hugues Dardente
- CNRS, IFCE, INRAE, Université de Tours, PRC, Nouzilly, France
| | - Valérie Simonneaux
- Institute for Cellular and Integrative Neuroscience, University of Strasbourg, Strasbourg, France
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4
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Kumar P, Wisdom KS, Kumar Ram R, Gireesh-Babu P, Kumar Nayak S, Nagpure NS, Sharma R. Gonadotropin inhibitory hormone receptors (GnIHRs): Molecular characterization and synergistic effect of different drugs in Indian major carp, Labeo catla. Gen Comp Endocrinol 2021; 314:113904. [PMID: 34530001 DOI: 10.1016/j.ygcen.2021.113904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 11/30/2022]
Abstract
After the discovery of Gonadotropin-inhibitory hormone (GnIH) in birds in 2000, it showed different roles in different vertebrate classes and even in different species of same classes. In birds and mammals, GnIH inhibits the expression of gonadotropins during reproduction, while in fishes it exerts both inhibitory and stimulatory effect on reproduction. The current study evaluates the role of GnIH during reproduction in Labeo catla. The partial cDNA sequence of GnIHR1 and GnIHR3 receptor genes was identified by degenerate PCR. The mRNA expression analysis of GnIHRs during different reproductive phases showed that the expression of all three GnIH receptor genes is highest during spawning phase. The expression of GnIH receptors is detected in both brain and gonads except for GnIHR3 which only expressed in gonads. The in vivo experiments with GnIH antagonist, RF313 drastically reduced the expression level of reproduction related genes like LH, FSH, and GnRH at 1 h post-injection. In another experiment the surge induced by cGnIH-III peptide on gonadotropins gene expression is further increased when co-injected with LHRHa. However, co-injection of melatonin along with cGnIH-III peptide had opposite effects. These results showed that the GnIH/GnIHRs system has positive effect on reproduction in L. catla.
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Affiliation(s)
- Pravesh Kumar
- College of Fisheries, Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar, India.
| | - K S Wisdom
- ICAR-Central Institute of Fisheries Education, Mumbai 400061, India
| | - Roshan Kumar Ram
- College of Fisheries, Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar, India
| | | | | | - N S Nagpure
- ICAR-Central Institute of Fisheries Education, Mumbai 400061, India
| | - Rupam Sharma
- ICAR-Central Institute of Fisheries Education, Mumbai 400061, India
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Quillet R, Schneider S, Utard V, Drieu la Rochelle A, Elhabazi K, Henningsen JB, Gizzi P, Schmitt M, Kugler V, Simonneaux V, Ilien B, Simonin F, Bihel F. Identification of an N-acylated- DArg-Leu-NH 2 Dipeptide as a Highly Selective Neuropeptide FF1 Receptor Antagonist That Potently Prevents Opioid-Induced Hyperalgesia. J Med Chem 2021; 64:7555-7564. [PMID: 34008968 DOI: 10.1021/acs.jmedchem.1c00256] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
RFamide-related peptide-3 (RFRP-3) and neuropeptide FF (NPFF) target two different receptor subtypes called neuropeptide FF1 (NPFF1R) and neuropeptide FF2 (NPFF2R) that modulate several functions. However, the study of their respective role is severely limited by the absence of selective blockers. We describe here the design of a highly selective NPFF1R antagonist called RF3286, which potently blocks RFRP-3-induced hyperalgesia in mice and luteinizing hormone release in hamsters. We then showed that the pharmacological blockade of NPFF1R in mice prevents the development of fentanyl-induced hyperalgesia while preserving its analgesic effect. Altogether, our data indicate that RF3286 represents a useful pharmacological tool to study the involvement of the NPFF1R/RFRP-3 system in different functions and different species. Thanks to this compound, we showed that this system is critically involved in the development of opioid-induced hyperalgesia, suggesting that NPFF1R antagonists might represent promising therapeutic tools to improve the use of opioids in the treatment of chronic pain.
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Affiliation(s)
- Raphaëlle Quillet
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Séverine Schneider
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
| | - Valérie Utard
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Armand Drieu la Rochelle
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Khadija Elhabazi
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Jo Beldring Henningsen
- Institut des Neurosciences Cellulaires et Intégratives, UPR 3212 CNRS, 8 Allée du Général Rouvillois, 67000 Strasbourg, France
| | - Patrick Gizzi
- TechMedIll, UMS 3286 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Martine Schmitt
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
| | - Valérie Kugler
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Valérie Simonneaux
- Institut des Neurosciences Cellulaires et Intégratives, UPR 3212 CNRS, 8 Allée du Général Rouvillois, 67000 Strasbourg, France
| | - Brigitte Ilien
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Frédéric Simonin
- Biotechnologie et Signalisation Cellulaire, UMR 7242 CNRS, Université de Strasbourg, 300 Boulevard Sébastien Brant, 67412 Illkirch, France
| | - Frédéric Bihel
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
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Bédécarrats GY, Hanlon C, Tsutsui K. Gonadotropin Inhibitory Hormone and Its Receptor: Potential Key to the Integration and Coordination of Metabolic Status and Reproduction. Front Endocrinol (Lausanne) 2021; 12:781543. [PMID: 35095760 PMCID: PMC8792613 DOI: 10.3389/fendo.2021.781543] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 12/02/2021] [Indexed: 12/18/2022] Open
Abstract
Since its discovery as a novel gonadotropin inhibitory peptide in 2000, the central and peripheral roles played by gonadotropin-inhibiting hormone (GnIH) have been significantly expanded. This is highlighted by the wide distribution of its receptor (GnIH-R) within the brain and throughout multiple peripheral organs and tissues. Furthermore, as GnIH is part of the wider RF-amide peptides family, many orthologues have been characterized across vertebrate species, and due to the promiscuity between ligands and receptors within this family, confusion over the nomenclature and function has arisen. In this review, we intend to first clarify the nomenclature, prevalence, and distribution of the GnIH-Rs, and by reviewing specific localization and ligand availability, we propose an integrative role for GnIH in the coordination of reproductive and metabolic processes. Specifically, we propose that GnIH participates in the central regulation of feed intake while modulating the impact of thyroid hormones and the stress axis to allow active reproduction to proceed depending on the availability of resources. Furthermore, beyond the central nervous system, we also propose a peripheral role for GnIH in the control of glucose and lipid metabolism at the level of the liver, pancreas, and adipose tissue. Taken together, evidence from the literature strongly suggests that, in fact, the inhibitory effect of GnIH on the reproductive axis is based on the integration of environmental cues and internal metabolic status.
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Affiliation(s)
- Grégoy Y. Bédécarrats
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
- *Correspondence: Grégoy Y. Bédécarrats,
| | - Charlene Hanlon
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Kazuyoshi Tsutsui
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashihiroshima, Japan
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Nguyen T, Marusich J, Li JX, Zhang Y. Neuropeptide FF and Its Receptors: Therapeutic Applications and Ligand Development. J Med Chem 2020; 63:12387-12402. [PMID: 32673481 DOI: 10.1021/acs.jmedchem.0c00643] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The endogenous neuropeptide FF (NPFF) and its two cognate G protein-coupled receptors, Neuropeptide FF Receptors 1 and 2 (NPFFR1 and NPFFR2), represent a relatively new target system for many therapeutic applications including pain regulation, modulation of opioid side effects, drug reward, anxiety, cardiovascular conditions, and other peripheral effects. Since the cloning of NPFFR1 and NPFFR2 in 2000, significant progress has been made to understand their pharmacological roles and interactions with other receptor systems, notably the opioid receptors. A variety of NPFFR ligands with different mechanisms of action (agonists or antagonists) have been discovered although with limited subtype selectivities. Differential pharmacological effects have been observed for many of these NPFFR ligands, depending on assays/models employed and routes of administration. In this Perspective, we highlight the therapeutic potentials, current knowledge gaps, and latest updates of the development of peptidic and small molecule NPFFR ligands as tool compounds and therapeutic candidates.
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Affiliation(s)
- Thuy Nguyen
- Center for Drug Discovery, Research Triangle Institute, 3040 East Cornwallis Road, Research Triangle Park, North Carolina 27709, United States
| | - Julie Marusich
- Center for Drug Discovery, Research Triangle Institute, 3040 East Cornwallis Road, Research Triangle Park, North Carolina 27709, United States
| | - Jun-Xu Li
- Department of Pharmacology and Toxicology, University at Buffalo, the State University of New York, Buffalo, New York 14203, United States
| | - Yanan Zhang
- Center for Drug Discovery, Research Triangle Institute, 3040 East Cornwallis Road, Research Triangle Park, North Carolina 27709, United States
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Abstract
This paper is the fortieth consecutive installment of the annual anthological review of research concerning the endogenous opioid system, summarizing articles published during 2017 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides and receptors as well as effects of opioid/opiate agonists and antagonists. The review is subdivided into the following specific topics: molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors (1), the roles of these opioid peptides and receptors in pain and analgesia in animals (2) and humans (3), opioid-sensitive and opioid-insensitive effects of nonopioid analgesics (4), opioid peptide and receptor involvement in tolerance and dependence (5), stress and social status (6), learning and memory (7), eating and drinking (8), drug abuse and alcohol (9), sexual activity and hormones, pregnancy, development and endocrinology (10), mental illness and mood (11), seizures and neurologic disorders (12), electrical-related activity and neurophysiology (13), general activity and locomotion (14), gastrointestinal, renal and hepatic functions (15), cardiovascular responses (16), respiration and thermoregulation (17), and immunological responses (18).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, CUNY, 65-30 Kissena Blvd., Flushing, NY, 11367, United States.
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King TI, Roewekamp AC, Sharma A, Harrison S, Mesangeau C, Mottinelli M, Kamble SH, McCurdy CR, Avery BA. Bioanalytical method development and validation of MES207, a neuropeptide FF receptor antagonist, and its application in preclinical pharmacokinetics. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1134-1135:121875. [DOI: 10.1016/j.jchromb.2019.121875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/23/2019] [Accepted: 11/01/2019] [Indexed: 11/28/2022]
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Discovery of two novel branched peptidomimetics containing endomorphin-2 and RF9 pharmacophores: Synthesis and neuropharmacological evaluation. Bioorg Med Chem 2019; 27:630-643. [DOI: 10.1016/j.bmc.2019.01.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/25/2018] [Accepted: 01/03/2019] [Indexed: 11/23/2022]
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Angelopoulou E, Quignon C, Kriegsfeld LJ, Simonneaux V. Functional Implications of RFRP-3 in the Central Control of Daily and Seasonal Rhythms in Reproduction. Front Endocrinol (Lausanne) 2019; 10:183. [PMID: 31024442 PMCID: PMC6467943 DOI: 10.3389/fendo.2019.00183] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 03/05/2019] [Indexed: 12/20/2022] Open
Abstract
Adaptation of reproductive activity to environmental changes is essential for breeding success and offspring survival. In mammals, the reproductive system displays regular cycles of activation and inactivation which are synchronized with seasonal and/or daily rhythms in environmental factors, notably light intensity and duration. Thus, most species adapt their breeding activity along the year to ensure that birth and weaning of the offspring occur at a time when resources are optimal. Additionally, female reproductive activity is highest at the beginning of the active phase during the period of full oocyte maturation, in order to improve breeding success. In reproductive physiology, it is therefore fundamental to delineate how geophysical signals are integrated in the hypothalamo-pituitary-gonadal axis, notably by the neurons expressing gonadotropin releasing hormone (GnRH). Several neurochemicals have been reported to regulate GnRH neuronal activity, but recently two hypothalamic neuropeptides belonging to the superfamily of (Arg)(Phe)-amide peptides, RFRP-3 and kisspeptin, have emerged as critical for the integration of environmental cues within the reproductive axis. The goal of this review is to survey the current understanding of the role played by RFRP-3 in the temporal regulation of reproduction, and consider how its effect might combine with that of kisspeptin to improve the synchronization of reproduction to environmental challenges.
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Affiliation(s)
- Eleni Angelopoulou
- Institut des Neurosciences Cellulaires et Intégratives (CNRS UPR 3212), Université de Strasbourg, Strasbourg, France
- Netherlands Institute for Neuroscience (NIN), Amsterdam, Netherlands
| | - Clarisse Quignon
- Institut des Neurosciences Cellulaires et Intégratives (CNRS UPR 3212), Université de Strasbourg, Strasbourg, France
| | - Lance J. Kriegsfeld
- Department of Psychology, Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, United States
| | - Valérie Simonneaux
- Institut des Neurosciences Cellulaires et Intégratives (CNRS UPR 3212), Université de Strasbourg, Strasbourg, France
- *Correspondence: Valérie Simonneaux
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12
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Hu KL, Chang HM, Li R, Yu Y, Qiao J. Regulation of LH secretion by RFRP-3 - From the hypothalamus to the pituitary. Front Neuroendocrinol 2019; 52:12-21. [PMID: 29608929 DOI: 10.1016/j.yfrne.2018.03.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 02/12/2018] [Accepted: 03/29/2018] [Indexed: 12/17/2022]
Abstract
RFamide-related peptides (RFRPs) have long been identified as inhibitors of the hypothalamus-pituitary-gonad axis in mammals. However, less progress has been made in the detailed roles of RFRPs in the control of LH secretion. Recent studies have suggested that RFRP-3 neurons in the hypothalamus can regulate the secretion of LH at different levels, including kisspeptin neurons, GnRH neurons, and the pituitary. Additionally, conflicting results regarding the effects of RFRP-3 on these levels exist. In this review, we collect the latest evidence related to the effects of RFRP-3 neurons in regulating LH secretion by acting on kisspeptin neurons, GnRH neurons, and the pituitary and discuss the potential role of the timely reduction of RFRP-3 signaling in the modulation of the preovulatory LH surge.
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Affiliation(s)
- Kai-Lun Hu
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
| | - Hsun-Ming Chang
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China; Department of Obstetrics and Gynaecology, University of British Columbia, British Columbia Children's Hospital Research Institute, Vancouver, British Columbia V5Z 4H4, Canada
| | - Rong Li
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
| | - Yang Yu
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China.
| | - Jie Qiao
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
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Wang H, Khoradmehr A, Jalali M, Salehi MS, Tsutsui K, Jafarzadeh Shirazi MR, Tamadon A. The roles of RFamide-related peptides (RFRPs), mammalian gonadotropin-inhibitory hormone (GnIH) orthologues in female reproduction. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2018; 21:1210-1220. [PMID: 30627363 PMCID: PMC6312679 DOI: 10.22038/ijbms.2018.30520.7355] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 08/21/2018] [Indexed: 01/12/2023]
Abstract
OBJECTIVES To benefit from reproduction and deal with challenges in the environmental conditions, animals must adapt internal physiology to maximize the reproduction rate. Maladaptive variations in the neurochemical systems and reproductive system can lead to manifestation of several significant mammalian reprocesses, including mammalian ovarian lifespan. RFamide-related peptide (RFRP, Rfrp), mammalian orthologues of gonadotropin-inhibitory hormone (GnIH), which is a regulator to prevent the gonadotropin-releasing hormone (GnRH) neural activity, is known to be related to reproductive traits. This review aimed to summarize recent five-year observations to outline historic insights and novel perspectives into the functions of RFRPs in coding the mammalian reproductive physiology, especially highlight recent advances in the impact on RFRPs in regulating mammalian ovary lifespan. MATERIALS AND METHODS We reviewed the recent five-year important findings of RFRP system involved in mammalian ovary development. Data for this review were collected from Google Scholar and PubMed using the RFRP keyword combined with the keywords related to physiological or pathological reproductive functions. RESULTS Recent discoveries are focused on three major fronts in research on RFRP role in female reproduction including reproductive functions, energy balance, and stress regulation. The roles of RFRPs in various development phases of mammal reproduction including prepuberty, puberty, estrous cycle, pregnancy, milking, menopause, and/or ovarian diseases have been shown. CONCLUSION Overall, these recent advances demonstrate that RFRPs serve as critical mediators in mammalian ovarian development.
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Affiliation(s)
- Huimei Wang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences; Institute of Acupuncture and Moxibustion, Fudan Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Arezoo Khoradmehr
- Research and Clinical Center for Infertility, Yazd Reproduction Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mohammad Jalali
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Mohammad Saied Salehi
- Department of Physiology, Faculty of Biological Sciences and Technology, Shahid Beheshti University, Tehran, Iran
| | - Kazuyoshi Tsutsui
- Laboratory of Integrative Brain Sciences, Department of Biology and Center for Medical Life Science, Waseda University, Tokyo, Japan
| | | | - Amin Tamadon
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
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Nguyen T, Decker AM, Langston TL, Mathews KM, Siemian JN, Li JX, Harris DL, Runyon SP, Zhang Y. Discovery of Novel Proline-Based Neuropeptide FF Receptor Antagonists. ACS Chem Neurosci 2017; 8:2290-2308. [PMID: 28737888 DOI: 10.1021/acschemneuro.7b00219] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The neuropeptide FF (NPFF) system has been implicated in a number of physiological processes including modulating the pharmacological activity of opioid analgesics and several other classes of drugs of abuse. In this study, we report the discovery of a novel proline scaffold with antagonistic activity at the NPFF receptors through a high throughput screening campaign using a functional calcium mobilization assay. Focused structure-activity relationship studies on the initial hit 1 have resulted in several analogs with calcium mobilization potencies in the submicromolar range and modest selectivity for the NPFF1 receptor. Affinities and potencies of these compounds were confirmed in radioligand binding and functional cAMP assays. Two compounds, 16 and 33, had good solubility and blood-brain barrier permeability that fall within the range of CNS permeant candidates without the liability of being a P-glycoprotein substrate. Finally, both compounds reversed fentanyl-induced hyperalgesia in rats when administered intraperitoneally. Together, these results point to the potential of these proline analogs as promising NPFF receptor antagonists.
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Affiliation(s)
- Thuy Nguyen
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Ann M. Decker
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Tiffany L. Langston
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Kelly M. Mathews
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Justin N. Siemian
- Department of Pharmacology and Toxicology, University at Buffalo, the State University of New York, Buffalo, New York 14214, United States
| | - Jun-Xu Li
- Department of Pharmacology and Toxicology, University at Buffalo, the State University of New York, Buffalo, New York 14214, United States
| | - Danni L. Harris
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Scott P. Runyon
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Yanan Zhang
- Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
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