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Devère M, Takhlidjt S, Prévost G, Chartrel N, Leprince J, Picot M. The 26RFa (QRFP)/GPR103 Neuropeptidergic System: A Key Regulator of Energy and Glucose Metabolism. Neuroendocrinology 2024:1-17. [PMID: 38599200 DOI: 10.1159/000538629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/28/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND Obesity and type 2 diabetes are strongly associated pathologies, currently considered as a worldwide epidemic problem. Understanding the mechanisms that drive the development of these diseases would enable to develop new therapeutic strategies for their prevention and treatment. Particularly, the role of the brain in energy and glucose homeostasis has been studied for 2 decades. In specific, the hypothalamus contains well-identified neural networks that regulate appetite and potentially also glucose homeostasis. A new concept has thus emerged, suggesting that obesity and diabetes could be due to a dysfunction of the same, still poorly understood, neural networks. SUMMARY The neuropeptide 26RFa (also termed QRFP) belongs to the family of RFamide regulatory peptides and has been identified as the endogenous ligand of the human G protein-coupled receptor GPR103 (QRFPR). The primary structure of 26RFa is strongly conserved during vertebrate evolution, suggesting its crucial roles in the control of vital functions. Indeed, the 26RFa/GPR103 peptidergic system is reported to be involved in the control of various neuroendocrine functions, notably the control of energy metabolism in which it plays an important role, both centrally and peripherally, since 26RFa regulates feeding behavior, thermogenesis and lipogenesis. Moreover, 26RFa is reported to control glucose homeostasis both peripherally, where it acts as an incretin, and centrally, where the 26RFa/GPR103 system relays insulin signaling in the brain to control glucose metabolism. KEY MESSAGES This review gives a comprehensive overview of the role of the 26RFa/GPR103 system as a key player in the control of energy and glucose metabolism. In a pathophysiological context, this neuropeptidergic system represents a prime therapeutic target whose mechanisms are highly relevant to decipher.
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Affiliation(s)
- Mélodie Devère
- University Rouen Normandie, Inserm, NorDiC UMR 1239, Normandie University, Rouen, France
| | - Saloua Takhlidjt
- University Rouen Normandie, Inserm, NorDiC UMR 1239, Normandie University, Rouen, France
| | - Gaëtan Prévost
- University Rouen Normandie, Inserm, NorDiC UMR 1239, Normandie University, Rouen, France
- Department of Endocrinology, Diabetes and Metabolic Diseases, University Rouen Normandie, Inserm, Normandie University, NorDiC UMR 1239, CHU Rouen, Rouen, France
| | - Nicolas Chartrel
- University Rouen Normandie, Inserm, NorDiC UMR 1239, Normandie University, Rouen, France
| | - Jérôme Leprince
- University Rouen Normandie, Inserm, NorDiC UMR 1239, Normandie University, Rouen, France
- University Rouen Normandie, Normandie University, INSERM US 51, CNRS UAR 2026, HeRacLeS, Rouen, France
| | - Marie Picot
- University Rouen Normandie, Inserm, NorDiC UMR 1239, Normandie University, Rouen, France
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Wang Y, Zuo Z, Shi J, Fang Y, Yin Z, Wang Z, Yang Z, Jia B, Sun Y. Modulatory role of neuropeptide FF system in macrophages. Peptides 2024; 174:171164. [PMID: 38272240 DOI: 10.1016/j.peptides.2024.171164] [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: 11/09/2023] [Revised: 12/29/2023] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
Neuropeptide FF (NPFF) is an octapeptide that regulates various cellular processes, especially pain perception. Recently, there has been a growing interest in understanding the modulation of NPFF in neuroendocrine inflammation. This review aims to provide a thorough overview of the regulation of NPFF in macrophage-mediated biological processes. We delve into the impact of NPFF on macrophage polarization, self-renewal modulation, and the promotion of mitophagy, facilitating the transition from thermogenic fat to fat-storing adipose tissue. Additionally, we explore the NPFF-dependent regulation of the inflammatory response mediated by macrophages, its impact on the differentiation of macrophages, and its capacity to induce alterations in the transcriptome of macrophages. We also address the potential of NPFF as a therapeutic molecule in the field of neuroendocrine inflammation. Overall, our work offers an understanding of the influence of NPFF on macrophage, facilitating the exploration of its pharmacological significance in future studies.
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Affiliation(s)
- Yaxing Wang
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Zhuo Zuo
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Jiajia Shi
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Yanwei Fang
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Zhongqian Yin
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Zhe Wang
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Zhouqi Yang
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Bin Jia
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Yulong Sun
- School of Life Sciences, Key Laboratory for Space Biosciences & Biotechnology, Institute of Special Environmental Biophysics, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment in Special Environment, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China.
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Strnadová V, Morgan A, Škrlová M, Haasová E, Bardová K, Myšková A, Sýkora D, Kuneš J, Železná B, Maletínská L. Peripheral administration of lipidized NPAF and NPFF analogs does not influence central food intake regulation but induces anxiety-like behavior. Neuropeptides 2024; 104:102417. [PMID: 38422597 DOI: 10.1016/j.npep.2024.102417] [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: 01/11/2024] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/02/2024]
Abstract
RF-amide peptides influence multiple physiological processes, including the regulation of appetite, stress responses, behavior, and reproductive and endocrine functions. In this study, we examined the roles of neuropeptide FF receptors (NPFFR1 and NPFFR2) by generating several lipidized analogs of neuropeptide AF (NPAF) and 1DMe, a stable analog of neuropeptide FF (NPFF). These analogs were administered peripherally for the first time to investigate their effects on food intake and other potential physiological outcomes. Lipidized NPAF and 1DMe analogs exhibited enhanced stability and increased pharmacokinetics. These analogs demonstrated preserved high affinity for NPFFR2 in the nanomolar range, while the binding affinity for NPFFR1 was tens of nanomoles. They activated the ERK and Akt signaling pathways in cells overexpressing the NPFFR1 and NPFFR2 receptors. Acute food intake in fasted mice decreased after the peripheral administration of oct-NPAF or oct-1DMe. However, this effect was not as pronounced as that observed after the injection of palm11-PrRP31, a potent anorexigenic compound used as a comparator that binds to GPR10 and the NPFFR2 receptor with high affinity. Neither oct-1DMe nor oct-NPAF decreased food intake or body weight in mice with diet-induced obesity during long-term treatment. In mice treated with oct-1DMe, we observed decreased activity in the central zone during the open field test and decreased activity in the open arms of the elevated plus maze. Furthermore, we observed a decrease in plasma noradrenaline levels and an increase in plasma corticosterone levels, as well as an increase in Crh expression in the hypothalamus. Moreover, neuronal activity in the hypothalamus was increased after treatment with oct-1DMe. In this study, we report that oct-1DMe did not have any long-term effects on the central regulation of food intake; however, it caused anxiety-like behavior.
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Affiliation(s)
- Veronika Strnadová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic
| | - Alena Morgan
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic
| | - Magdalena Škrlová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic; First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Eliška Haasová
- Institute of Physiology, CAS, Prague, Czech Republic; Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | | | - Aneta Myšková
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic; Department of Analytical Chemistry, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - David Sýkora
- Department of Analytical Chemistry, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - Jaroslav Kuneš
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic; Institute of Physiology, CAS, Prague, Czech Republic
| | - Blanka Železná
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic
| | - Lenka Maletínská
- Institute of Organic Chemistry and Biochemistry, CAS, Prague, Czech Republic.
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Ke S, Gao Z, Zhang Z, Liu F, Wen S, Wang Y, Huang D. Discovery of Novel Carboxamide Derivatives Containing Biphenyl Pharmacophore as Potential Fungicidal Agents Used for Resistance Management. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14505-14516. [PMID: 37754847 DOI: 10.1021/acs.jafc.3c04307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Natural products are one of the main sources of drug and agrochemicals discovery. Biphenyls skeleton are ubiquitous structures in many classes of natural products, which indicate extensive biological activities. So, in order to investigate the potential applications for natural biphenyl derivatives, a series of novel carboxamide derivatives with diverse substituent patterns were designed and synthesized based on active pharmacophore from natural biphenyl lignans, and their in vitro antifungal activities against several typical plant pathogens belonging to oomycetes, ascomycete, deuteromycetes, and basidiomycetes were fully investigated. The highly potential compounds were further tested in vivo assay against Botrytis cinerea Pers. of cucumber to demonstrate a practical application for controlling common plant diseases, which indicated four compounds could effectively control the resistant strains of carbendazim, rutamycin, and pyrazolidide. The potential modes of action for compound B12 against B. cinerea were also explored using molecular docking, microscopic technology, and label-free quantitative proteomics analysis. The results show that compound B12 may be a potential novel fungicidal agent used for gray mold resistance control, which can influence the protein synthesis of B. cinerea. These findings can provide a certain theoretical basis for the development of novel biphenyl derivatives as potential green antifungal agents.
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Affiliation(s)
- Shaoyong Ke
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Zilin Gao
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
- College of Science, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhigang Zhang
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Fang Liu
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Shaohua Wen
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Yueying Wang
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Daye Huang
- Key Lab of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
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Goudarzi MH, Eagles DA, Lim J, Biggs KA, Kotze AC, Ruffell AP, Fairlie DP, King GF, Walker AA. Venom composition and bioactive RF-amide peptide toxins of the saddleback caterpillar, Acharia stimulea (Lepidoptera: Limacodidae). Biochem Pharmacol 2023; 213:115598. [PMID: 37201876 DOI: 10.1016/j.bcp.2023.115598] [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: 03/19/2023] [Revised: 05/04/2023] [Accepted: 05/04/2023] [Indexed: 05/20/2023]
Abstract
Limacodidae is a family of lepidopteran insects comprising >1500 species. More than half of these species produce pain-inducing defensive venoms in the larval stage, but little is known about their venom toxins. Recently, we characterised proteinaceous toxins from the Australian limacodid caterpillar Doratifera vulnerans, but it is unknown if the venom of this species is typical of other Limacodidae. Here, we use single animal transcriptomics and venom proteomics to investigate the venom of an iconic limacodid, the North American saddleback caterpillar Acharia stimulea. We identified 65 venom polypeptides, grouped into 31 different families. Neurohormones, knottins, and homologues of the immune signaller Diedel make up the majority of A.stimulea venom, indicating strong similarities to D. vulnerans venom, despite the large geographic separation of these caterpillars. One notable difference is the presence of RF-amide peptide toxins in A. stimulea venom. Synthetic versions of one of these RF-amide toxins potently activated the human neuropeptide FF1 receptor, displayed insecticidal activity when injected into Drosophila melanogaster, and moderately inhibited larval development of the parasitic nematode Haemonchus contortus. This study provides insights into the evolution and activity of venom toxins in Limacodidae, and provides a platform for future structure-function characterisation of A.stimulea peptide toxins.
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Affiliation(s)
- Mohaddeseh H Goudarzi
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - David A Eagles
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Junxian Lim
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Centre for Inflammation and Disease Research, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Kimberley A Biggs
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Andrew C Kotze
- CSIRO Agriculture and Food, St Lucia, Queensland 4072, Australia
| | - Angela P Ruffell
- CSIRO Agriculture and Food, St Lucia, Queensland 4072, Australia
| | - David P Fairlie
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Centre for Inflammation and Disease Research, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Infectious Diseases Research Centre, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Glenn F King
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia.
| | - Andrew A Walker
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Research Council Centre of Excellence for Innovations in Protein and Peptide Science, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia.
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6
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Strnadová V, Karnošová A, Blechová M, Neprašová B, Holá L, Němcová A, Myšková A, Sýkora D, Železná B, Kuneš J, Maletínská L. Search for lipidized PrRP analogs with strong anorexigenic effect: In vitro and in vivo studies. Neuropeptides 2023; 98:102319. [PMID: 36669365 DOI: 10.1016/j.npep.2022.102319] [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: 10/08/2022] [Revised: 11/18/2022] [Accepted: 12/28/2022] [Indexed: 01/15/2023]
Abstract
Prolactin-releasing peptide (PrRP) is an anorexigenic neuropeptide that attenuates food intake and increases energy expenditure. We designed three series of new lipidized PrRP31 analogs of different lengths of fatty acids attached at amino acids 1 or 11 directly or via linkers, part of them acetylated at the N-terminus and/or modified with dichlorophenylalanine (PheCl2) at the C-terminus. We tested their affinity for and activation of signaling pathways relevant to receptors GPR10, NPFF-R2, and NPFF-R1, effect on food intake in fasted or freely fed mice and rats, and stability in rat plasma. We aimed to select a strong dual GPR10/NPFF-R2 agonist whose affinity for NPFF-1 was not enhanced. The selected potent analog was then tested for body weight-lowering potency after chronic administration in mice with diet-induced obesity. PrRP31 analogs lipidized by monocarboxylic fatty acids showed strong dual affinity for both GPR10 and NPFF-R2 and activated MAPK/ERK1/2, Akt and CREB in cells overexpressing GPR10 and NPFF-R2. The selected analog stabilized at N- and C-termini and palmitoylated through the TTDS linker to Lys11 is a powerful dual agonist GPR10/NPFF-R2 at not enhanced affinity for NPFF-R1. It showed strong anti-obesity properties in mice with diet-induced obesity and became a potential compound for further studies.
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Affiliation(s)
- Veronika Strnadová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic
| | - Alena Karnošová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic; First Faculty of Medicine, Charles University, Prague 121 08, Czech Republic
| | - Miroslava Blechová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic
| | - Barbora Neprašová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic; Institute of Physiology, CAS, Prague 142 00, Czech Republic
| | - Lucie Holá
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic; First Faculty of Medicine, Charles University, Prague 121 08, Czech Republic
| | - Anna Němcová
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic; University of Chemistry and Technology, Prague 166 28, Czech Republic
| | - Aneta Myšková
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic; University of Chemistry and Technology, Prague 166 28, Czech Republic
| | - David Sýkora
- University of Chemistry and Technology, Prague 166 28, Czech Republic
| | - Blanka Železná
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic
| | - Jaroslav Kuneš
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic; Institute of Physiology, CAS, Prague 142 00, Czech Republic
| | - Lenka Maletínská
- Institute of Organic Chemistry and Biochemistry, CAS, Prague 166 10, Czech Republic.
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Vu NQ, Yen HC, Fields L, Cao W, Li L. HyPep: An Open-Source Software for Identification and Discovery of Neuropeptides Using Sequence Homology Search. J Proteome Res 2023; 22:420-431. [PMID: 36696582 PMCID: PMC10160011 DOI: 10.1021/acs.jproteome.2c00597] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Neuropeptides are a class of endogenous peptides that have key regulatory roles in biochemical, physiological, and behavioral processes. Mass spectrometry analyses of neuropeptides often rely on protein informatics tools for database searching and peptide identification. As neuropeptide databases are typically experimentally built and comprised of short sequences with high sequence similarity to each other, we developed a novel database searching tool, HyPep, which utilizes sequence homology searching for peptide identification. HyPep aligns de novo sequenced peptides, generated through PEAKS software, with neuropeptide database sequences and identifies neuropeptides based on the alignment score. HyPep performance was optimized using LC-MS/MS measurements of peptide extracts from various Callinectes sapidus neuronal tissue types and compared with a commercial database searching software, PEAKS DB. HyPep identified more neuropeptides from each tissue type than PEAKS DB at 1% false discovery rate, and the false match rate from both programs was 2%. In addition to identification, this report describes how HyPep can aid in the discovery of novel neuropeptides.
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Affiliation(s)
- Nhu Q Vu
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Hsu-Ching Yen
- Department of Biochemistry, University of Wisconsin-Madison, 433 Babcock Drive, Madison, Wisconsin 53706, United States
| | - Lauren Fields
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Weifeng Cao
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Lingjun Li
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States.,School of Pharmacy, University of Wisconsin-Madison, 777 Highland Avenue, Madison, Wisconsin 53705, United States
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Cornier PG, Delpiccolo CM, Martiren NL, Mata EG, Mendez L, Permingeat Squizatto C, Pizzio MG. Transition Metal‐Catalyzed Reactions and Solid‐Phase Synthesis: A Convenient Blend. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Patricia G. Cornier
- Instituto de Química Rosario: Instituto de Quimica Rosario Organic Chemistry Suipacha 531 2000 Rosario ARGENTINA
| | - Carina M.L. Delpiccolo
- Instituto de Química Rosario: Instituto de Quimica Rosario Organic Chemistry Suipacha 531 2000 Rosario ARGENTINA
| | - Nadia L. Martiren
- Instituto de Química Rosario: Instituto de Quimica Rosario Organic Chemistry Suipacha 531 S2000 Rosario ARGENTINA
| | - Ernesto G Mata
- Instituto de Química Rosario Chemistry Suipacha 531 2000 Rosario ARGENTINA
| | - Luciana Mendez
- Instituto de Química Rosario: Instituto de Quimica Rosario Organic Chemistry Suipacha 531 S2000 ROSARIO ARGENTINA
| | | | - Marianela G. Pizzio
- Instituto de Química Rosario: Instituto de Quimica Rosario Organic Chemistry Suipacha 531 S2000 Rosario ARGENTINA
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Kageyama N, Nose M, Ono M, Matsunaga Y, Iwasaki T, Kawano T. The FMRFamide-like peptide FLP-2 is involved in the modulation of larval development and adult lifespan by regulating the secretion of the insulin-like peptide INS-35 in Caenorhabditis elegans. Biosci Biotechnol Biochem 2022; 86:1231-1239. [PMID: 35786701 DOI: 10.1093/bbb/zbac108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/05/2022] [Indexed: 11/12/2022]
Abstract
In the animal kingdom, neuropeptides regulate diverse physiological functions. In invertebrates, FMRFamide and its related peptides, a family of neuropeptides, play an important role as neurotransmitters. The FMRFamide-like peptides (FLPs) are one of the most diverse neuropeptide families and are conserved in nematodes. Our screen for flp genes of the free-living soil nematode Caenorhabditis elegans revealed that the flp-2 gene is involved in larval development. The gene is also conserved in plant-parasitic root-knot nematodes. Our molecular genetic analyses of the C. elegans flp-2 gene demonstrated as follows: 1) the production and secretion of FLP-2, produced in the head neurons, are controlled by environmental factors (growth density and food); 2) the FLP-2 is involved in not only larval development but also adult lifespan by regulating the secretion of one of the insulin-like peptides INS-35, produced in the intestine. These findings provide new insight into the development of new nematicides.
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Affiliation(s)
- Natsumi Kageyama
- Department of Agricultural Science, Graduate School of Sustainability Science
| | - Masayo Nose
- Department of Agricultural Science, Graduate School of Sustainability Science
| | - Masahiro Ono
- Department of Bioresources Science, The United Graduate School of Agriculture, Tottori University, Tottori, Japan
| | | | - Takashi Iwasaki
- Department of Agricultural Science, Graduate School of Sustainability Science.,Department of Bioresources Science, The United Graduate School of Agriculture, Tottori University, Tottori, Japan
| | - Tsuyoshi Kawano
- Department of Agricultural Science, Graduate School of Sustainability Science.,Department of Bioresources Science, The United Graduate School of Agriculture, Tottori University, Tottori, Japan
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10
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Lipidated PrRP31 metabolites are long acting dual GPR10 and NPFF2 receptor agonists with potent body weight lowering effect. Sci Rep 2022; 12:1696. [PMID: 35105898 PMCID: PMC8807614 DOI: 10.1038/s41598-022-05310-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 01/11/2022] [Indexed: 12/16/2022] Open
Abstract
Prolactin-releasing peptide (PrRP) is an endogenous neuropeptide involved in appetite regulation and energy homeostasis. PrRP binds with high affinity to G-protein coupled receptor 10 (GPR10) and with lesser activity towards the neuropeptide FF receptor type 2 (NPFF2R). The present study aimed to develop long-acting PrRP31 analogues with potent anti-obesity efficacy. A comprehensive series of C18 lipidated PrRP31 analogues was characterized in vitro and analogues with various GPR10 and NPFF2R activity profiles were profiled for bioavailability and metabolic effects following subcutaneous administration in diet-induced obese (DIO) mice. PrRP31 analogues acylated with a C18 lipid chain carrying a terminal acid (C18 diacid) were potent GPR10-selective agonists and weight-neutral in DIO mice. In contrast, acylation with aliphatic C18 lipid chain (C18) resulted in dual GPR10-NPFF2R co-agonists that suppressed food intake and promoted a robust weight loss in DIO mice, which was sustained for at least one week after last dosing. Rapid in vivo degradation of C18 PrRP31 analogues gave rise to circulating lipidated PrRP metabolites maintaining dual GPR10-NPFF2R agonist profile and long-acting anti-obesity efficacy in DIO mice. Combined GPR10 and NPFF2R activation may therefore be a critical mechanism for obtaining robust anti-obesity efficacy of PrRP31 analogues.
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A Mini-Review on Potential of Neuropeptides as Future Therapeutics. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-021-10309-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Zhang Y, Shikina S, Ho YY, Chiu YL, I-Chen Yao J, Zatylny-Gaudin C, Dufour S, Chang CF. Involvement of RFamide neuropeptides in polyp contraction of the adult scleractinian corals Euphyllia ancora and Stylophora pistillata. Gen Comp Endocrinol 2021; 314:113905. [PMID: 34534544 DOI: 10.1016/j.ygcen.2021.113905] [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: 05/06/2021] [Revised: 09/05/2021] [Accepted: 09/11/2021] [Indexed: 11/26/2022]
Abstract
The distribution and functions of neurons in scleractinian corals remain largely unknown. This study focused on the Arg-Phe amide family of neuropeptides (RFamides), which have been shown to be involved in a variety of biological processes in animals, and performed molecular identification and characterization in the adult scleractinian coral Euphyllia ancora. The deduced amino acid sequence of the identified RFamide preprohormone was predicted to contain 20 potential neuropeptides, including 1 Pro-Gly-Arg-Phe (PGRF) amide and 15 Gln-Gly-Arg-Phe (QGRF) amide peptides. Tissue distribution analysis showed that the level of transcripts in the tentacles was significantly higher than that in other polyp tissues. Immunohistochemical analysis with the FMRFamide antibody showed that RFamide neurons were mainly distributed in the epidermis of the tentacles and mouth with pharynx. Treatment of E. ancora polyps with synthetic QGRFamide peptides induced polyp contraction. The induction of polyp contraction by QGRFamide peptide treatment was also observed in another scleractinian coral, Stylophora pistillata. These results strongly suggested that RFamides play a role in the regulation of polyp contraction in adult scleractinians.
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Affiliation(s)
- Yan Zhang
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan; Zhejiang Marine Fisheries Research Institute, Zhejiang, China; Marine and Fishery Research Institute, Zhejiang Ocean University, Zhejiang, China
| | - Shinya Shikina
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan; Institute of Marine Environment and Ecology, National Taiwan Ocean University, Keelung, Taiwan.
| | - Yu-Ying Ho
- Department of Aquaculture, National Taiwan Ocean University, Keelung, Taiwan
| | - Yi-Ling Chiu
- Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba, Japan
| | - Jack I-Chen Yao
- Department of Aquaculture, National Taiwan Ocean University, Keelung, Taiwan
| | - Céline Zatylny-Gaudin
- Laboratory Biology of Aquatic Organisms and Ecosystems (BOREA), University of Caen-Normandy, Muséum National d'Histoire Naturelle, CNRS, IRD, Sorbonne Université, Université des Antilles, 14032, Caen, France and 75231 Paris Cedex 05, France
| | - Sylvie Dufour
- Laboratory Biology of Aquatic Organisms and Ecosystems (BOREA), University of Caen-Normandy, Muséum National d'Histoire Naturelle, CNRS, IRD, Sorbonne Université, Université des Antilles, 14032, Caen, France and 75231 Paris Cedex 05, France
| | - Ching-Fong Chang
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan; Department of Aquaculture, National Taiwan Ocean University, Keelung, Taiwan.
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Pirník Z, Kořínková L, Osacká J, Železná B, Kuneš J, Maletínská L. Cholecystokinin system is involved in the anorexigenic effect of peripherally applied palmitoylated prolactin-releasing peptide in fasted mice. Physiol Res 2021; 70:579-590. [PMID: 34062082 PMCID: PMC8820541 DOI: 10.33549/physiolres.934694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 04/22/2021] [Indexed: 11/25/2022] Open
Abstract
Prolactin-releasing peptide (PrRP) has been proposed to mediate the central satiating effects of cholecystokinin (CCK) through the vagal CCK1 receptor. PrRP acts as an endogenous ligand of G protein-coupled receptor 10 (GPR10), which is expressed at the highest levels in brain areas related to food intake regulation, e.g., the paraventricular hypothalamic nucleus (PVN) and nucleus of the solitary tract (NTS). The NTS and PVN are also significantly activated after peripheral CCK administration. The aim of this study was to determine whether the endogenous PrRP neuronal system in the brain is involved in the central anorexigenic effect of the peripherally administered CCK agonist JMV236 or the CCK1 antagonist devazepide and whether the CCK system is involved in the central anorexigenic effect of the peripherally applied lipidized PrRP analog palm-PrRP31 in fasted lean mice. The effect of devazepide and JMV236 on the anorexigenic effects of palm-PrRP31 as well as devazepide combined with JMV236 and palm-PrRP31 on food intake and Fos cell activation in the PVN and caudal NTS was examined. Our results suggest that the anorexigenic effect of JMV236 is accompanied by activation of PrRP neurons of the NTS in a CCK1 receptor-dependent manner. Moreover, while the anorexigenic effect of palm-PrRP31 was not affected by JMV236, it was partially attenuated by devazepide in fasted mice. The present findings indicate that the exogenously influenced CCK system may be involved in the central anorexigenic effect of peripherally applied palm-PrRP31, which possibly indicates some interaction between the CCK and PrRP neuronal systems.
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Affiliation(s)
- Z Pirník
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic,
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14
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Point-Substitution of Phenylalanine Residues of 26RFa Neuropeptide: A Structure-Activity Relationship Study. Molecules 2021; 26:molecules26144312. [PMID: 34299587 PMCID: PMC8307317 DOI: 10.3390/molecules26144312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/02/2022] Open
Abstract
26RFa is a neuropeptide that activates the rhodopsin-like G protein-coupled receptor QRFPR/GPR103. This peptidergic system is involved in the regulation of a wide array of physiological processes including feeding behavior and glucose homeostasis. Herein, the pharmacological profile of a homogenous library of QRFPR-targeting peptide derivatives was investigated in vitro on human QRFPR-transfected cells with the aim to provide possible insights into the structural determinants of the Phe residues to govern receptor activation. Our work advocates to include in next generations of 26RFa(20–26)-based QRFPR agonists effective substitutions for each Phe unit, i.e., replacement of the Phe22 residue by a constrained 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid moiety, and substitution of both Phe24 and Phe26 by their para-chloro counterpart. Taken as a whole, this study emphasizes that optimized modifications in the C-terminal part of 26RFa are mandatory to design selective and potent peptide agonists for human QRFPR.
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Makino M, Ulzii E, Shirasaki R, Kim J, You YJ. Regulation of Satiety Quiescence by Neuropeptide Signaling in Caenorhabditis elegans. Front Neurosci 2021; 15:678590. [PMID: 34335159 PMCID: PMC8319666 DOI: 10.3389/fnins.2021.678590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/11/2021] [Indexed: 11/16/2022] Open
Abstract
Sleep and metabolism are interconnected homeostatic states; the sleep cycle can be entrained by the feeding cycle, and perturbation of the sleep often results in dysregulation in metabolism. However, the neuro-molecular mechanism by which metabolism regulates sleep is not fully understood. We investigated how metabolism and feeding regulate sleep using satiety quiescence behavior as a readout in Caenorhabditis elegans, which shares certain key aspects of postprandial sleep in mammals. From an RNA interference-based screen of two neuropeptide families, RFamide-related peptides (FLPs) and insulin-like peptides (INSs), we identified flp-11, known to regulate other types of sleep-like behaviors in C. elegans, as a gene that plays the most significant role in satiety quiescence. A mutation in flp-11 significantly reduces quiescence, whereas over-expression of the gene enhances it. A genetic analysis shows that FLP-11 acts upstream of the cGMP signaling but downstream of the TGFβ pathway, suggesting that TGFβ released from a pair of head sensory neurons (ASI) activates FLP-11 in an interneuron (RIS). Then, cGMP signaling acting in downstream of RIS neurons induces satiety quiescence. Among the 28 INSs genes screened, ins-1, known to play a significant role in starvation-associated behavior working in AIA is inhibitory to satiety quiescence. Our study suggests that specific combinations of neuropeptides are released, and their signals are integrated in order for an animal to gauge its metabolic state and to control satiety quiescence, a feeding-induced sleep-like state in C. elegans.
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Affiliation(s)
- Mei Makino
- Neuroscience Institute, Department of Biology, Nagoya University, Furo-cho, Japan
| | - Enkhjin Ulzii
- Neuroscience Institute, Department of Biology, Nagoya University, Furo-cho, Japan
| | - Riku Shirasaki
- Neuroscience Institute, Department of Biology, Nagoya University, Furo-cho, Japan
| | - Jeongho Kim
- Department of Biological Sciences, Inha University, Incheon, South Korea
| | - Young-Jai You
- Neuroscience Institute, Department of Biology, Nagoya University, Furo-cho, Japan.,Center for Hypothalamic Research, University of Texas Southwestern Medical Center, Dallas, TX, United States
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16
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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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Anjum S, Khattak MNK, Tsutsui K, Krishna A. RF-amide related peptide-3 (RFRP-3): a novel neuroendocrine regulator of energy homeostasis, metabolism, and reproduction. Mol Biol Rep 2021; 48:1837-1852. [PMID: 33566226 DOI: 10.1007/s11033-021-06198-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 01/28/2021] [Indexed: 11/29/2022]
Abstract
A hypothalamic neuropeptide, RF-amide related peptide-3 (RFRP-3), the mammalian ortholog of the avian gonadotropin-inhibitory hormone (GnIH) has inhibitory signals for reproductive axis via G-protein coupled receptor 147 in mammals. Moreover, RFRP-3 has orexigenic action but the mechanism involved in energy homeostasis and glucose metabolism is not yet known. Though, the RFRP-3 modulates orexigenic action in co-operation with other neuropeptides, which regulates metabolic cues in the hypothalamus. Administration of GnIH/RFRP-3 suppresses plasma luteinizing hormone, at the same time stimulates feeding behavior in birds and mammals. Likewise, in the metabolically deficient conditions, its expression is up-regulated suggests that RFRP-3 contributes to the integration of energy balance and reproduction. However, in many other metabolic conditions like induced diabetes and high-fat diet obesity, etc. its role is still not clear while, RFRP-3 induces the glucose homeostasis by adipocytes is reported. The physiological role of RFRP-3 in metabolic homeostasis and the metabolic effects of RFRP-3 signaling in pharmacological studies need a detailed discussion. Further studies are required to find out whether RFRP-3 is associated with restricted neuroendocrine function observed in type II diabetes mellitus, aging, or sub-fertility. In this context, the current review is focused on the role of RFRP-3 in the above-mentioned mechanisms. Studies from search engines including PubMed, Google Scholar, and science.gov are included after following set inclusion/exclusion criteria. As a developing field few mechanisms are still inconclusive, however, based on the available information RFRP-3 seems to be a putative tool in future treatment strategies towards metabolic disease.
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Affiliation(s)
- Shabana Anjum
- Department of Zoology, Banaras Hindu University, Varanasi, Uttar Pradesh, India
- Sharjah Institute of Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | | | - Kazuyoshi Tsutsui
- Graduate School of Integrated Sciences for Life, Hiroshima University, Kagamiyama 1-7-1, Higashi-Hiroshima, 739-8521, Japan
| | - Amitabh Krishna
- Department of Zoology, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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Ibos KE, Bodnár É, Bagosi Z, Bozsó Z, Tóth G, Szabó G, Csabafi K. Kisspeptin-8 Induces Anxiety-Like Behavior and Hypolocomotion by Activating the HPA Axis and Increasing GABA Release in the Nucleus Accumbens in Rats. Biomedicines 2021; 9:112. [PMID: 33503835 PMCID: PMC7911394 DOI: 10.3390/biomedicines9020112] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/18/2021] [Accepted: 01/22/2021] [Indexed: 12/11/2022] Open
Abstract
Kisspeptins (Kp) are RF-amide neuropeptide regulators of the reproductive axis that also influence anxiety, locomotion, and metabolism. We aimed to investigate the effects of intracerebroventricular Kp-8 (an N-terminally truncated octapeptide) treatment in Wistar rats. Elevated plus maze (EPM), computerized open field (OF), and marble burying (MB) tests were performed for the assessment of behavior. Serum LH and corticosterone levels were determined to assess kisspeptin1 receptor (Kiss1r) activation and hypothalamic-pituitary-adrenal axis (HPA) stimulation, respectively. GABA release from the nucleus accumbens (NAc) and dopamine release from the ventral tegmental area (VTA) and NAc were measured via ex vivo superfusion. Kp-8 decreased open arm time and entries in EPM, and also raised corticosterone concentration, pointing to an anxiogenic effect. Moreover, the decrease in arm entries in EPM, the delayed increase in immobility accompanied by reduced ambulatory activity in OF, and the reduction in interactions with marbles show that Kp-8 suppressed exploratory and spontaneous locomotion. The increase in GABA release from the NAc might be in the background of hypolocomotion by inhibiting the VTA-NAc dopaminergic circuitry. As Kp-8 raised LH concentration, it could activate Kiss1r and stimulate the reproductive axis. As Kiss1r is associated with hyperlocomotion, it is more likely that neuropeptide FF receptor activation is involved in the suppression of locomotor activity.
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Affiliation(s)
- Katalin Eszter Ibos
- Department of Pathophysiology, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (É.B.); (Z.B.); (K.C.)
| | - Éva Bodnár
- Department of Pathophysiology, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (É.B.); (Z.B.); (K.C.)
| | - Zsolt Bagosi
- Department of Pathophysiology, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (É.B.); (Z.B.); (K.C.)
| | - Zsolt Bozsó
- Department of Medical Chemistry, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (Z.B.); (G.T.)
| | - Gábor Tóth
- Department of Medical Chemistry, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (Z.B.); (G.T.)
| | - Gyula Szabó
- Office of International Affairs, Budapest Campus, McDaniel College, H-1071 Budapest, Hungary;
| | - Krisztina Csabafi
- Department of Pathophysiology, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (É.B.); (Z.B.); (K.C.)
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Pražienková V, Funda J, Pirník Z, Karnošová A, Hrubá L, Kořínková L, Neprašová B, Janovská P, Benzce M, Kadlecová M, Blahoš J, Kopecký J, Železná B, Kuneš J, Bardová K, Maletínská L. GPR10 gene deletion in mice increases basal neuronal activity, disturbs insulin sensitivity and alters lipid homeostasis. Gene 2021; 774:145427. [PMID: 33450349 DOI: 10.1016/j.gene.2021.145427] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/27/2020] [Accepted: 01/05/2021] [Indexed: 02/07/2023]
Abstract
G-protein-coupled receptor GPR10 is expressed in brain areas regulating energy metabolism. In this study, the effects of GPR10 gene deficiency on energy homeostasis in mice of both sexes fed either standard chow or a high-fat diet (HFD) were studied, with a focus on neuronal activation of PrRP neurons, and adipose tissue and liver metabolism. GPR10 deficiency in males upregulated the phasic and tonic activity of PrRP neurons in the nucleus of the solitary tract. GPR10 knockout (KO) males on a standard diet displayed a higher body weight than their wild-type (WT) littermates due to an increase in adipose tissue mass; however, HFD feeding did not cause weight differences between genotypes. Expression of lipogenesis genes was suppressed in the subcutaneous adipose tissue of GPR10 KO males. In contrast, GPR10 KO females did not differ in body weight from their WT controls, but showed elevated expression of lipid metabolism genes in the liver and subcutaneous adipose tissue compared to WT controls. An attenuated non-esterified fatty acids change after glucose load compared to WT controls suggested a defect in insulin-mediated suppression of lipolysis in GPR10 KO females. Indirect calorimetry did not reveal any differences in energy expenditure among groups. In conclusion, deletion of GPR10 gene resulted in changes in lipid metabolism in mice of both sexes, however in different extent. An increase in adipose tissue mass observed in only GPR10 KO males may have been prevented in GPR10 KO females owing to a compensatory increase in the expression of metabolic genes.
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Affiliation(s)
- Veronika Pražienková
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic
| | - Jiří Funda
- Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Zdenko Pirník
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic; Biomedical Research Center SAS of the Slovak Academy of Sciences, 845 05 Bratislava, Slovak Republic; Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, 813 72 Bratislava, Slovak Republic
| | - Alena Karnošová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic
| | - Lucie Hrubá
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic
| | - Lucia Kořínková
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic
| | - Barbora Neprašová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic
| | - Petra Janovská
- Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Michal Benzce
- Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Michaela Kadlecová
- Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Jaroslav Blahoš
- Institute of Molecular Genetics of the Czech Academy of Sciences, 14220 Prague, Czech Republic
| | - Jan Kopecký
- Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Blanka Železná
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic
| | - Jaroslav Kuneš
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic; Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Kristina Bardová
- Institute of Physiology of the Czech Academy of Sciences, 14200 Prague, Czech Republic
| | - Lenka Maletínská
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic.
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20
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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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21
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Beltramo M, Robert V, Decourt C. The kisspeptin system in domestic animals: what we know and what we still need to understand of its role in reproduction. Domest Anim Endocrinol 2020; 73:106466. [PMID: 32247617 DOI: 10.1016/j.domaniend.2020.106466] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 02/10/2020] [Accepted: 02/26/2020] [Indexed: 02/05/2023]
Abstract
The discovery of the kisspeptin (Kp) system stirred a burst of research in the field of reproductive neuroendocrinology. In the last 15 yr, the organization and activity of the system, including its neuroanatomical structure, its major physiological functions, and its main pharmacological properties, were outlined. To this endeavor, the use of genetic tools to delete and to restore Kp system functionality in a specific tissue was essential. At present, there is no question as to the key role of the Kp system in mammalian reproduction. However, easily applicable genetic manipulations are unavailable for domestic animals. Hence, many essential details on the physiological mechanisms underlying its action on domestic animals require further investigation. The potentially different effects of the various Kp isoforms, the precise anatomical localization of the Kp receptor, and the respective role played by the 2 main populations of Kp cells in different species are only few of the questions that remain unanswered and that will be illustrated in this review. Furthermore, the application of synthetic pharmacologic tools to manipulate the Kp system is still in its infancy but has produced some interesting results, suggesting the possibility of developing new methods to manage reproduction in domestic animals. In spite of a decade and a half of intense research effort, much work is still required to achieve a comprehensive understanding of the influence of the Kp system on reproduction. Furthermore, Kp system ramifications in other physiological functions are emerging and open new research perspectives.
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Affiliation(s)
- M Beltramo
- INRAE (CNRS, UMR7247, Université de Tours, IFCE), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France.
| | - V Robert
- INRAE (CNRS, UMR7247, Université de Tours, IFCE), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
| | - C Decourt
- INRAE (CNRS, UMR7247, Université de Tours, IFCE), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
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22
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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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23
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Mata X, Renaud G, Mollereau C. The repertoire of family A-peptide GPCRs in archaic hominins. Peptides 2019; 122:170154. [PMID: 31560950 DOI: 10.1016/j.peptides.2019.170154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 09/11/2019] [Accepted: 09/13/2019] [Indexed: 12/30/2022]
Abstract
Given the importance of G-protein coupled receptors in the regulation of many physiological functions, deciphering the relationships between genotype and phenotype in past and present hominin GPCRs is of main interest to understand the evolutionary process that contributed to the present-day variability in human traits and health. Here, we carefully examined the publicly available genomic and protein sequence databases of the archaic hominins (Neanderthal and Denisova) to draw up the catalog of coding variations in GPCRs for peptide ligands, in comparison with living humans. We then searched in the literature the functional changes, phenotypes and risk of disease possibly associated with the detected variants. Our survey suggests that Neanderthal and Denisovan hominins were likely prone to lower risk of obesity, to enhanced platelet aggregation in response to thrombin, to better response to infection, to less anxiety and aggressiveness and to favorable sociability. While some archaic variants were likely advantageous in the past, they might be responsible for maladaptive disorders today in the context of modern life and/or specific regional distribution. For example, an archaic haplotype in the neuromedin receptor 2 is susceptible to confer risk of diabetic nephropathy in type 1 diabetes in present-day Europeans. Paying attention to the pharmacological properties of some of the archaic variants described in this study may be helpful to understand the variability of therapeutic efficacy between individuals or ethnic groups.
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Affiliation(s)
- Xavier Mata
- Laboratoire Anthropologie Moléculaire et Imagerie de Synthèse (AMIS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Gabriel Renaud
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen K, Denmark
| | - Catherine Mollereau
- Laboratoire Anthropologie Moléculaire et Imagerie de Synthèse (AMIS), Université de Toulouse, CNRS, UPS, Toulouse, France.
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24
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Prolactin-Releasing Peptide: Physiological and Pharmacological Properties. Int J Mol Sci 2019; 20:ijms20215297. [PMID: 31653061 PMCID: PMC6862262 DOI: 10.3390/ijms20215297] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/21/2019] [Accepted: 10/23/2019] [Indexed: 12/18/2022] Open
Abstract
Prolactin-releasing peptide (PrRP) belongs to the large RF-amide neuropeptide family with a conserved Arg-Phe-amide motif at the C-terminus. PrRP plays a main role in the regulation of food intake and energy expenditure. This review focuses not only on the physiological functions of PrRP, but also on its pharmacological properties and the actions of its G-protein coupled receptor, GPR10. Special attention is paid to structure-activity relationship studies on PrRP and its analogs as well as to their effect on different physiological functions, mainly their anorexigenic and neuroprotective features and the regulation of the cardiovascular system, pain, and stress. Additionally, the therapeutic potential of this peptide and its analogs is explored.
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Dufour S, Quérat B, Tostivint H, Pasqualini C, Vaudry H, Rousseau K. Origin and Evolution of the Neuroendocrine Control of Reproduction in Vertebrates, With Special Focus on Genome and Gene Duplications. Physiol Rev 2019; 100:869-943. [PMID: 31625459 DOI: 10.1152/physrev.00009.2019] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In humans, as in the other mammals, the neuroendocrine control of reproduction is ensured by the brain-pituitary gonadotropic axis. Multiple internal and environmental cues are integrated via brain neuronal networks, ultimately leading to the modulation of the activity of gonadotropin-releasing hormone (GnRH) neurons. The decapeptide GnRH is released into the hypothalamic-hypophysial portal blood system and stimulates the production of pituitary glycoprotein hormones, the two gonadotropins luteinizing hormone and follicle-stimulating hormone. A novel actor, the neuropeptide kisspeptin, acting upstream of GnRH, has attracted increasing attention in recent years. Other neuropeptides, such as gonadotropin-inhibiting hormone/RF-amide related peptide, and other members of the RF-amide peptide superfamily, as well as various nonpeptidic neuromediators such as dopamine and serotonin also provide a large panel of stimulatory or inhibitory regulators. This paper addresses the origin and evolution of the vertebrate gonadotropic axis. Brain-pituitary neuroendocrine axes are typical of vertebrates, the pituitary gland, mediator and amplifier of brain control on peripheral organs, being a vertebrate innovation. The paper reviews, from molecular and functional perspectives, the evolution across vertebrate radiation of some key actors of the vertebrate neuroendocrine control of reproduction and traces back their origin along the vertebrate lineage and in other metazoa before the emergence of vertebrates. A focus is given on how gene duplications, resulting from either local events or from whole genome duplication events, and followed by paralogous gene loss or conservation, might have shaped the evolutionary scenarios of current families of key actors of the gonadotropic axis.
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Affiliation(s)
- Sylvie Dufour
- Muséum National d'Histoire Naturelle, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, Sorbonne Université, Université Caen Normandie, Université des Antilles, Paris, France; Université Paris Diderot, Sorbonne Paris Cite, Biologie Fonctionnelle et Adaptative, Paris, France; INSERM U1133, Physiologie de l'axe Gonadotrope, Paris, France; Muséum National d'Histoire Naturelle, Physiologie Moléculaire et Adaptation, Muséum National d'Histoire Naturelle, Paris, France; Université Paris-Saclay, Université Paris-Sud, CNRS, Paris-Saclay Institute of Neuroscience (UMR 9197), Gif-sur-Yvette, France; and Université de Rouen Normandie, Rouen, France
| | - Bruno Quérat
- Muséum National d'Histoire Naturelle, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, Sorbonne Université, Université Caen Normandie, Université des Antilles, Paris, France; Université Paris Diderot, Sorbonne Paris Cite, Biologie Fonctionnelle et Adaptative, Paris, France; INSERM U1133, Physiologie de l'axe Gonadotrope, Paris, France; Muséum National d'Histoire Naturelle, Physiologie Moléculaire et Adaptation, Muséum National d'Histoire Naturelle, Paris, France; Université Paris-Saclay, Université Paris-Sud, CNRS, Paris-Saclay Institute of Neuroscience (UMR 9197), Gif-sur-Yvette, France; and Université de Rouen Normandie, Rouen, France
| | - Hervé Tostivint
- Muséum National d'Histoire Naturelle, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, Sorbonne Université, Université Caen Normandie, Université des Antilles, Paris, France; Université Paris Diderot, Sorbonne Paris Cite, Biologie Fonctionnelle et Adaptative, Paris, France; INSERM U1133, Physiologie de l'axe Gonadotrope, Paris, France; Muséum National d'Histoire Naturelle, Physiologie Moléculaire et Adaptation, Muséum National d'Histoire Naturelle, Paris, France; Université Paris-Saclay, Université Paris-Sud, CNRS, Paris-Saclay Institute of Neuroscience (UMR 9197), Gif-sur-Yvette, France; and Université de Rouen Normandie, Rouen, France
| | - Catherine Pasqualini
- Muséum National d'Histoire Naturelle, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, Sorbonne Université, Université Caen Normandie, Université des Antilles, Paris, France; Université Paris Diderot, Sorbonne Paris Cite, Biologie Fonctionnelle et Adaptative, Paris, France; INSERM U1133, Physiologie de l'axe Gonadotrope, Paris, France; Muséum National d'Histoire Naturelle, Physiologie Moléculaire et Adaptation, Muséum National d'Histoire Naturelle, Paris, France; Université Paris-Saclay, Université Paris-Sud, CNRS, Paris-Saclay Institute of Neuroscience (UMR 9197), Gif-sur-Yvette, France; and Université de Rouen Normandie, Rouen, France
| | - Hubert Vaudry
- Muséum National d'Histoire Naturelle, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, Sorbonne Université, Université Caen Normandie, Université des Antilles, Paris, France; Université Paris Diderot, Sorbonne Paris Cite, Biologie Fonctionnelle et Adaptative, Paris, France; INSERM U1133, Physiologie de l'axe Gonadotrope, Paris, France; Muséum National d'Histoire Naturelle, Physiologie Moléculaire et Adaptation, Muséum National d'Histoire Naturelle, Paris, France; Université Paris-Saclay, Université Paris-Sud, CNRS, Paris-Saclay Institute of Neuroscience (UMR 9197), Gif-sur-Yvette, France; and Université de Rouen Normandie, Rouen, France
| | - Karine Rousseau
- Muséum National d'Histoire Naturelle, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, Sorbonne Université, Université Caen Normandie, Université des Antilles, Paris, France; Université Paris Diderot, Sorbonne Paris Cite, Biologie Fonctionnelle et Adaptative, Paris, France; INSERM U1133, Physiologie de l'axe Gonadotrope, Paris, France; Muséum National d'Histoire Naturelle, Physiologie Moléculaire et Adaptation, Muséum National d'Histoire Naturelle, Paris, France; Université Paris-Saclay, Université Paris-Sud, CNRS, Paris-Saclay Institute of Neuroscience (UMR 9197), Gif-sur-Yvette, France; and Université de Rouen Normandie, Rouen, France
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26
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Aquino NSS, Kokay IC, Perez CT, Ladyman SR, Henriques PC, Silva JF, Broberger C, Grattan DR, Szawka RE. Kisspeptin Stimulation of Prolactin Secretion Requires Kiss1 Receptor but Not in Tuberoinfundibular Dopaminergic Neurons. Endocrinology 2019; 160:522-533. [PMID: 30668693 DOI: 10.1210/en.2018-00932] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 01/14/2019] [Indexed: 02/07/2023]
Abstract
Kisspeptin has been shown to stimulate prolactin secretion. We investigated whether kisspeptin acts through the Kiss1 receptor (Kiss1r) to regulate dopamine and prolactin. Initially, we evaluated prolactin response in a Kiss1r-deficient mouse line, in which Kiss1r had been knocked into GnRH neurons (Kiss1r-/-R). Intracerebroventricular kisspeptin-10 (Kp-10) increased prolactin release in wild-type but not in Kiss1r-/-R female mice. In ovariectomized, estradiol-treated rats, the Kiss1r antagonist kisspeptin-234 abolished the Kp-10-induced increase in prolactin release but failed to prevent the concomitant reduction in the activity of tuberoinfundibular dopaminergic (TIDA) neurons, as determined by the 3,4-dihydroxyphenylacetic acid/dopamine ratio in the median eminence. Using whole-cell patch clamp recordings in juvenile male rats, we found no direct effect of Kp-10 on the electrical activity of TIDA neurons. In addition, dual-label in situ hybridization in the hypothalamus of female rats showed that Kiss1r is expressed in the periventricular nucleus of the hypothalamus (Pe) and arcuate nucleus of the hypothalamus (ARC) but not in tyrosine hydroxylase (Th)-expressing neurons. Kisspeptin also has affinity for the neuropeptide FF receptor 1 (Npffr1), which was expressed in the majority of Pe dopaminergic neurons but only in a low proportion of TIDA neurons in the ARC. Our findings demonstrate that Kiss1r is necessary to the effect of kisspeptin on prolactin secretion, although TIDA neurons lack Kiss1r and are electrically unresponsive to kisspeptin. Thus, kisspeptin is likely to stimulate prolactin secretion via Kiss1r in nondopaminergic neurons, whereas the colocalization of Npffr1 and Th suggests that Pe dopaminergic neurons may play a role in the kisspeptin-induced inhibition of dopamine release.
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Affiliation(s)
- Nayara S S Aquino
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ilona C Kokay
- Centre for Neuroendocrinology and Department of Anatomy, University of Otago, Dunedin, New Zealand
| | | | - Sharon R Ladyman
- Centre for Neuroendocrinology and Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Patricia C Henriques
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Juneo F Silva
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | - David R Grattan
- Centre for Neuroendocrinology and Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Raphael E Szawka
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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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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28
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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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29
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Hammoud H, Elhabazi K, Quillet R, Bertin I, Utard V, Laboureyras E, Bourguignon JJ, Bihel F, Simonnet G, Simonin F, Schmitt M. Aminoguanidine Hydrazone Derivatives as Nonpeptide NPFF1 Receptor Antagonists Reverse Opioid Induced Hyperalgesia. ACS Chem Neurosci 2018; 9:2599-2609. [PMID: 29727163 DOI: 10.1021/acschemneuro.8b00099] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Neuropeptide FF receptors (NPFF1R and NPFF2R) and their endogenous ligand neuropeptide FF have been shown previously to display antiopioid properties and to play a critical role in the adverse effects associated with chronic administrations of opiates including the development of opioid-induced hyperalgesia and analgesic tolerance. In this work, we sought to identify novel NPFF receptors ligands by focusing our interest in a series of heterocycles as rigidified nonpeptide NPFF receptor ligands, starting from already described aminoguanidine hydrazones (AGHs). Binding experiments and functional assays highlighted AGH 1n and its rigidified analogue 2-amino-dihydropyrimidine 22e for in vivo experiments. As shown earlier with the prototypical dipeptide antagonist RF9, both 1n and 22e reduced significantly the long lasting fentanyl-induced hyperalgesia in rodents. Altogether these data indicate that AGH rigidification maintains nanomolar affinities for both NPFF receptors, while improving antagonist character toward NPFF1R.
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Affiliation(s)
- Hassan Hammoud
- University of Strasbourg, CNRS,
UMR7200, Faculty of Pharmacy, F-67401 Illkirch Graffenstaden, France
| | - Khadija Elhabazi
- Université
de Strasbourg, CNRS, Biotechnologie et Signalisation Cellulaire, UMR
7242, F-67401 Illkirch Graffenstaden, France
| | - Raphäelle Quillet
- Université
de Strasbourg, CNRS, Biotechnologie et Signalisation Cellulaire, UMR
7242, F-67401 Illkirch Graffenstaden, France
| | - Isabelle Bertin
- Université
de Strasbourg, CNRS, Biotechnologie et Signalisation Cellulaire, UMR
7242, F-67401 Illkirch Graffenstaden, France
| | - Valérie Utard
- Université
de Strasbourg, CNRS, Biotechnologie et Signalisation Cellulaire, UMR
7242, F-67401 Illkirch Graffenstaden, France
| | - Emilie Laboureyras
- Homéostasie-Allostasie-Pathologie-Réhabilitation,
UMR 5287 CNRS, Université de Bordeaux, 33076 Bordeaux, France
| | - Jean-Jacques Bourguignon
- University of Strasbourg, CNRS,
UMR7200, Faculty of Pharmacy, F-67401 Illkirch Graffenstaden, France
| | - Frédéric Bihel
- University of Strasbourg, CNRS,
UMR7200, Faculty of Pharmacy, F-67401 Illkirch Graffenstaden, France
| | - Guy Simonnet
- Homéostasie-Allostasie-Pathologie-Réhabilitation,
UMR 5287 CNRS, Université de Bordeaux, 33076 Bordeaux, France
| | - Frédéric Simonin
- Université
de Strasbourg, CNRS, Biotechnologie et Signalisation Cellulaire, UMR
7242, F-67401 Illkirch Graffenstaden, France
| | - Martine Schmitt
- University of Strasbourg, CNRS,
UMR7200, Faculty of Pharmacy, F-67401 Illkirch Graffenstaden, France
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30
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Alim K, Lefranc B, Sopkova-de Oliveira Santos J, Dubessy C, Picot M, Boutin JA, Vaudry H, Chartrel N, Vaudry D, Chuquet J, Leprince J. Design, Synthesis, Molecular Dynamics Simulation, and Functional Evaluation of a Novel Series of 26RFa Peptide Analogues Containing a Mono- or Polyalkyl Guanidino Arginine Derivative. J Med Chem 2018; 61:10185-10197. [PMID: 30358997 DOI: 10.1021/acs.jmedchem.8b01332] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
26RFa, the endogenous QRFPR ligand, is implicated in several physiological and pathological conditions such as the regulation of glucose homeostasis and bone mineralization; hence, QRFPR ligands display therapeutic potential. At the molecular level, functional interaction occurs between residues Arg25 of 26RFa and Gln125 of QRFPR. We have designed 26RFa(20-26) analogues incorporating arginine derivatives modified by alkylated substituents. We found that the Arg25 side chain length was necessary to retain the activity of 26RFa(20-26) and that N-monoalkylation of arginine was accommodated by the QRFPR active site. In particular, [(Me)ωArg25]26RFa(20-26) (5b, LV-2186) appeared to be 25-fold more potent than 26RFa(20-26) and displayed a position in a QRFPR homology model slightly different to that of the unmodified heptapeptide. Other peptides were less potent than 26RFa(20-26), exhibited partial agonistic activity, or were totally inactive in accordance to different ligand-bound structures. In vivo, [(Me)ωArg25]26RFa(20-26) exerted a delayed 26RFa-like hypoglycemic effect. Finally, N-methyl substituted arginine-containing peptides represent lead compounds for further development of QRFPR agonists.
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Affiliation(s)
- Karima Alim
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France
| | - Benjamin Lefranc
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France.,Cell Imaging Platform of Normandy (PRIMACEN) , Normandy University , 76000 Rouen , France
| | | | - Christophe Dubessy
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France.,Cell Imaging Platform of Normandy (PRIMACEN) , Normandy University , 76000 Rouen , France
| | - Marie Picot
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France
| | - Jean A Boutin
- Institut de Recherches Internationales Servier , 50 rue Carnot , 92150 Suresnes , France
| | - Hubert Vaudry
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France.,Cell Imaging Platform of Normandy (PRIMACEN) , Normandy University , 76000 Rouen , France
| | - Nicolas Chartrel
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France
| | - David Vaudry
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France.,Cell Imaging Platform of Normandy (PRIMACEN) , Normandy University , 76000 Rouen , France
| | - Julien Chuquet
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France
| | - Jérôme Leprince
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication , Normandy University , 76000 Rouen , France.,Cell Imaging Platform of Normandy (PRIMACEN) , Normandy University , 76000 Rouen , France
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31
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Chew YL, Grundy LJ, Brown AEX, Beets I, Schafer WR. Neuropeptides encoded by nlp-49 modulate locomotion, arousal and egg-laying behaviours in Caenorhabditis elegans via the receptor SEB-3. Philos Trans R Soc Lond B Biol Sci 2018; 373:20170368. [PMID: 30201834 PMCID: PMC6158228 DOI: 10.1098/rstb.2017.0368] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/16/2018] [Indexed: 12/23/2022] Open
Abstract
Neuropeptide signalling has been implicated in a wide variety of biological processes in diverse organisms, from invertebrates to humans. The Caenorhabditis elegans genome has at least 154 neuropeptide precursor genes, encoding over 300 bioactive peptides. These neuromodulators are thought to largely signal beyond 'wired' chemical/electrical synapse connections, therefore creating a 'wireless' network for neuronal communication. Here, we investigated how behavioural states are affected by neuropeptide signalling through the G protein-coupled receptor SEB-3, which belongs to a bilaterian family of orphan secretin receptors. Using reverse pharmacology, we identified the neuropeptide NLP-49 as a ligand of this evolutionarily conserved neuropeptide receptor. Our findings demonstrate novel roles for NLP-49 and SEB-3 in locomotion, arousal and egg-laying. Specifically, high-content analysis of locomotor behaviour indicates that seb-3 and nlp-49 deletion mutants cause remarkably similar abnormalities in movement dynamics, which are reversed by overexpression of wild-type transgenes. Overexpression of NLP-49 in AVK interneurons leads to heightened locomotor arousal, an effect that is dependent on seb-3. Finally, seb-3 and nlp-49 mutants also show constitutive egg-laying in liquid medium and alter the temporal pattern of egg-laying in similar ways. Together, these results provide in vivo evidence that NLP-49 peptides act through SEB-3 to modulate behaviour, and highlight the importance of neuropeptide signalling in the control of behavioural states.This article is part of a discussion meeting issue 'Connectome to behaviour: modelling C. elegans at cellular resolution'.
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Affiliation(s)
- Yee Lian Chew
- Neurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK
| | - Laura J Grundy
- Neurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK
| | - André E X Brown
- MRC London Institute of Medical Sciences, London W12 0NN, UK
- Institute of Clinical Sciences, Imperial College London, London W12 0NN, UK
| | - Isabel Beets
- Cell Biology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK
- Department of Biology, KU Leuven, 3000 Leuven, Belgium
| | - William R Schafer
- Neurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK
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32
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Quillet R, Simonin F. Le neuropeptide FF, aiguilleur des macrophages du tissu adipeux. Med Sci (Paris) 2018; 34:27-29. [DOI: 10.1051/medsci/20183401008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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33
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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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34
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Abstract
Female ovulation depends on a surge in circulating luteinizing hormone (LH) which occurs at the end of the resting period and requests high circulating estradiol. This fine tuning involves both an estradiol feedback as an indicator of oocyte maturation, and the master circadian clock of the suprachiasmatic nuclei as an indicator of the time of the day. This review describes the mechanisms through which daily time cues are conveyed to reproductive hypothalamic neurons to time the pre-ovulatory surge. In female rodents, neurotransmitters released by the suprachiasmatic nuclei activate the stimulatory kisspeptin neurons and reduce the inhibitory RFRP neurons precisely at the end of the afternoon of proestrus to allow a full surge in LH secretion. From these findings, the impact of circadian disruptions (during shift or night work) on female reproductive performance and fertility should now being investigated in both animal models and humans.
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Affiliation(s)
- Valérie Simonneaux
- Institut des Neurosciences Cellulaires et Intégratives, UPR CNRS 3212, 5 rue Blaise Pascal, 67084 Strasbourg, France.
| | - Thibault Bahougne
- Institut des Neurosciences Cellulaires et Intégratives, UPR CNRS 3212, 5 rue Blaise Pascal, 67084 Strasbourg, France; Service d'Endocrinologie et Diabète, Hôpital Civil, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.
| | - Eleni Angelopoulou
- Institut des Neurosciences Cellulaires et Intégratives, UPR CNRS 3212, 5 rue Blaise Pascal, 67084 Strasbourg, France; Department of Endocrinology and Metabolism, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, Netherlands.
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35
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Leprince J, Bagnol D, Bureau R, Fukusumi S, Granata R, Hinuma S, Larhammar D, Primeaux S, Sopkova-de Oliveiras Santos J, Tsutsui K, Ukena K, Vaudry H. The Arg-Phe-amide peptide 26RFa/glutamine RF-amide peptide and its receptor: IUPHAR Review 24. Br J Pharmacol 2017; 174:3573-3607. [PMID: 28613414 DOI: 10.1111/bph.13907] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 05/30/2017] [Accepted: 06/05/2017] [Indexed: 12/21/2022] Open
Abstract
The RFamide neuropeptide 26RFa was first isolated from the brain of the European green frog on the basis of cross-reactivity with antibodies raised against bovine neuropeptide FF (NPFF). 26RFa and its N-terminally extended form glutamine RF-amide peptide (QRFP) have been identified as cognate ligands of the former orphan receptor GPR103, now renamed glutamine RF-amide peptide receptor (QRFP receptor). The 26RFa/QRFP precursor has been characterized in various mammalian and non-mammalian species. In the brain of mammals, including humans, 26RFa/QRFP mRNA is almost exclusively expressed in hypothalamic nuclei. The 26RFa/QRFP transcript is also present in various organs especially in endocrine glands. While humans express only one QRFP receptor, two isoforms are present in rodents. The QRFP receptor genes are widely expressed in the CNS and in peripheral tissues, notably in bone, heart, kidney, pancreas and testis. Structure-activity relationship studies have led to the identification of low MW peptidergic agonists and antagonists of QRFP receptor. Concurrently, several selective non-peptidic antagonists have been designed from high-throughput screening hit optimization. Consistent with the widespread distribution of QRFP receptor mRNA and 26RFa binding sites, 26RFa/QRFP exerts a large range of biological activities, notably in the control of energy homeostasis, bone formation and nociception that are mediated by QRFP receptor or NPFF2. The present report reviews the current knowledge concerning the 26RFa/QRFP-QRFP receptor system and discusses the potential use of selective QRFP receptor ligands for therapeutic applications.
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Affiliation(s)
- Jérôme Leprince
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Normandy University, Rouen, France
| | - Didier Bagnol
- CNS Drug Discovery, Arena Pharmaceuticals Inc., San Diego, CA, USA
| | - Ronan Bureau
- Normandy Centre for Studies and Research on Medicines (CERMN), Normandy University, Caen, France
| | - Shoji Fukusumi
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Riccarda Granata
- Laboratory of Molecular and Cellular Endocrinology, Division of Endocrinology, Diabetes and Metabolism, Department of Medical Sciences, University of Torino, Torino, Italy
| | - Shuji Hinuma
- Department of Food and Nutrition, Faculty of Human Life Science, Senri Kinran University, Suita-City, Osaka, Japan
| | - Dan Larhammar
- Department of Neuroscience, Unit of Pharmacology, Uppsala University, Uppsala, Sweden
| | - Stefany Primeaux
- Department of Physiology, Joint Diabetes, Endocrinology & Metabolism Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | | | - Kazuyoshi Tsutsui
- Laboratory of Integrative Brain Sciences, Department of Biology, Waseda University, Center for Medical Life Science, Tokyo, Japan
| | - Kazuyoshi Ukena
- Section of Behavioral Sciences, Graduate School of Integrated Arts and Sciences, Hiroshima University, Higashi-Hiroshima, Japan
| | - Hubert Vaudry
- INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Normandy University, Rouen, France
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36
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Rasri-Klosen K, Simonneaux V, Klosen P. Differential response patterns of kisspeptin and RFamide-related peptide to photoperiod and sex steroid feedback in the Djungarian hamster (Phodopus sungorus). J Neuroendocrinol 2017; 29. [PMID: 28834570 DOI: 10.1111/jne.12529] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 08/05/2017] [Accepted: 08/20/2017] [Indexed: 12/16/2022]
Abstract
Many animals synchronise their reproductive activity with the seasons to optimise the survival of their offspring. This synchronisation involves switching on and off their gonadotrophic axis. Ever since their discovery as key regulators of gonadotrophin-releasing hormone (GnRH) neurones, the hypothalamic RF-amide peptides kisspeptin and RFamide-related peptide (RFRP) have been a major focus of research on the seasonal regulation of the gonadotrophic axis. In the present study, we investigated the regulation of both neuropeptides in the Djungarian hamster, a major animal model for the study of seasonal reproduction. During the long-day breeding period, kisspeptin neurones in the anteroventral periventricular area are solely controlled by a positive sex steroid feedback and, in the arcuate nucleus, they are subject to a very strong negative sex steroid feedback associated with a minor photoperiodic effect. During short-day sexual quiescence, the disappearance of this hormonal feedback leads to high levels of kisspeptin in arcuate neurones. Notably, chronic central administration of kisspeptin is able to over-ride the photoperiodic inhibition of the gonadotrophic axis and reactivate the reproductive function. Therefore, our data suggest that kisspeptin secretion by arcuate neurones during sexual quiescence is inhibited by mechanisms upstream of kisspeptin neurones. RFRP expression is solely controlled by photoperiod, being strongly reduced in short days independently of the sex steroid feedback. Thus, kisspeptin and RFRP display contrasting patterns of expression and regulation. Upstream mechanisms controlling these neurones should be the focus of further studies on the roles of these RFamide neuropeptides in the seasonal control of reproduction.
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Affiliation(s)
- K Rasri-Klosen
- Institute of Cellular and Integrative Neurosciences, CNRS UPR 3212, University of Strasbourg, Strasbourg Cedex, France
- Faculty of Medicine, Department of Pre-Clinical Science, Thammasart University, Rangsit Campus, Pathumthani, Thailand
| | - V Simonneaux
- Institute of Cellular and Integrative Neurosciences, CNRS UPR 3212, University of Strasbourg, Strasbourg Cedex, France
| | - P Klosen
- Institute of Cellular and Integrative Neurosciences, CNRS UPR 3212, University of Strasbourg, Strasbourg Cedex, France
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37
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Waqas SFH, Hoang AC, Lin YT, Ampem G, Azegrouz H, Balogh L, Thuróczy J, Chen JC, Gerling IC, Nam S, Lim JS, Martinez-Ibañez J, Real JT, Paschke S, Quillet R, Ayachi S, Simonin F, Schneider EM, Brinkman JA, Lamming DW, Seroogy CM, Röszer T. Neuropeptide FF increases M2 activation and self-renewal of adipose tissue macrophages. J Clin Invest 2017; 127:2842-2854. [PMID: 28581443 DOI: 10.1172/jci90152] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 04/06/2017] [Indexed: 12/30/2022] Open
Abstract
The quantity and activation state of adipose tissue macrophages (ATMs) impact the development of obesity-induced metabolic diseases. Appetite-controlling hormones play key roles in obesity; however, our understanding of their effects on ATMs is limited. Here, we have shown that human and mouse ATMs express NPFFR2, a receptor for the appetite-reducing neuropeptide FF (NPFF), and that NPFFR2 expression is upregulated by IL-4, an M2-polarizing cytokine. Plasma levels of NPFF decreased in obese patients and high-fat diet-fed mice and increased following caloric restriction. NPFF promoted M2 activation and increased the proliferation of murine and human ATMs. Both M2 activation and increased ATM proliferation were abolished in NPFFR2-deficient ATMs. Mechanistically, the effects of NPFF involved the suppression of E3 ubiquitin ligase RNF128 expression, resulting in enhanced stability of phosphorylated STAT6 and increased transcription of the M2 macrophage-associated genes IL-4 receptor α (Il4ra), arginase 1 (Arg1), IL-10 (Il10), and alkylglycerol monooxygenase (Agmo). NPFF induced ATM proliferation concomitantly with the increase in N-Myc downstream-regulated gene 2 (Ndrg2) expression and suppressed the transcription of Ifi200 cell-cycle inhibitor family members and MAF bZIP transcription factor B (Mafb), a negative regulator of macrophage proliferation. NPFF thus plays an important role in supporting healthy adipose tissue via the maintenance of metabolically beneficial ATMs.
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Affiliation(s)
| | - Anh Cuong Hoang
- Institute of Comparative Molecular Endocrinology, University of Ulm, Ulm, Germany
| | - Ya-Tin Lin
- Department of Physiology and Pharmacology and Graduate Institute of Biomedical Sciences, Chang Gung University; Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Grace Ampem
- Institute of Comparative Molecular Endocrinology, University of Ulm, Ulm, Germany
| | - Hind Azegrouz
- Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Lajos Balogh
- National Research Institute for Radiobiology and Radiohygiene, Budapest, Hungary
| | | | - Jin-Chung Chen
- Department of Physiology and Pharmacology and Graduate Institute of Biomedical Sciences, Chang Gung University; Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ivan C Gerling
- Department of Medicine, University of Tennessee, Memphis, Tennessee, USA
| | - Sorim Nam
- Department of Biological Science, Sookmyung Women's University, Seoul, South Korea
| | - Jong-Seok Lim
- Department of Biological Science, Sookmyung Women's University, Seoul, South Korea
| | - Juncal Martinez-Ibañez
- Department of Medicine, Hospital Clínico Universitario de València, Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Valencia, Spain
| | - José T Real
- Department of Medicine, Hospital Clínico Universitario de València, Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Valencia, Spain
| | - Stephan Paschke
- Department of General and Visceral Surgery, University Hospital Ulm, Ulm, Germany
| | - Raphaëlle Quillet
- Biotechnologie et Signalisation Cellulaire, UMR 7242, Centre National de Recherche Scientifique (CNRS), Université de Strasbourg, Illkirch, France
| | - Safia Ayachi
- Biotechnologie et Signalisation Cellulaire, UMR 7242, Centre National de Recherche Scientifique (CNRS), Université de Strasbourg, Illkirch, France
| | - Frédéric Simonin
- Biotechnologie et Signalisation Cellulaire, UMR 7242, Centre National de Recherche Scientifique (CNRS), Université de Strasbourg, Illkirch, France
| | - E Marion Schneider
- Division of Experimental Anesthesiology, University Hospital Ulm, Ulm, Germany
| | - Jacqueline A Brinkman
- University of Wisconsin, School of Medicine and Public Health, Madison, Wisconsin, USA.,William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin, USA
| | - Dudley W Lamming
- University of Wisconsin, School of Medicine and Public Health, Madison, Wisconsin, USA.,William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin, USA
| | - Christine M Seroogy
- University of Wisconsin, School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Tamás Röszer
- Institute of Comparative Molecular Endocrinology, University of Ulm, Ulm, Germany
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38
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Elhabazi K, Humbert JP, Bertin I, Quillet R, Utard V, Schneider S, Schmitt M, Bourguignon JJ, Laboureyras E, Ben Boujema M, Simonnet G, Ancel C, Simonneaux V, Beltramo M, Bucher B, Sorg T, Meziane H, Schneider E, Petit-Demoulière B, Ilien B, Bihel F, Simonin F. RF313, an orally bioavailable neuropeptide FF receptor antagonist, opposes effects of RF-amide-related peptide-3 and opioid-induced hyperalgesia in rodents. Neuropharmacology 2017; 118:188-198. [DOI: 10.1016/j.neuropharm.2017.03.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 02/27/2017] [Accepted: 03/06/2017] [Indexed: 02/08/2023]
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39
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Volkoff H. The Neuroendocrine Regulation of Food Intake in Fish: A Review of Current Knowledge. Front Neurosci 2016; 10:540. [PMID: 27965528 PMCID: PMC5126056 DOI: 10.3389/fnins.2016.00540] [Citation(s) in RCA: 164] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 11/07/2016] [Indexed: 12/14/2022] Open
Abstract
Fish are the most diversified group of vertebrates and, although progress has been made in the past years, only relatively few fish species have been examined to date, with regards to the endocrine regulation of feeding in fish. In fish, as in mammals, feeding behavior is ultimately regulated by central effectors within feeding centers of the brain, which receive and process information from endocrine signals from both brain and peripheral tissues. Although basic endocrine mechanisms regulating feeding appear to be conserved among vertebrates, major physiological differences between fish and mammals and the diversity of fish, in particular in regard to feeding habits, digestive tract anatomy and physiology, suggest the existence of fish- and species-specific regulating mechanisms. This review provides an overview of hormones known to regulate food intake in fish, emphasizing on major hormones and the main fish groups studied to date.
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Affiliation(s)
- Helene Volkoff
- Departments of Biology and Biochemistry, Memorial University of NewfoundlandSt. John's, NL, Canada
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40
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Wang ZL, Pan JX, Song JJ, Tang HH, Yu HP, Li XH, Li N, Zhang T, Zhang R, Zhang MN, Xu B, Fang Q, Wang R. Structure-Based Optimization of Multifunctional Agonists for Opioid and Neuropeptide FF Receptors with Potent Nontolerance Forming Analgesic Activities. J Med Chem 2016; 59:10198-10208. [PMID: 27798836 DOI: 10.1021/acs.jmedchem.6b01181] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zi-Long Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Jia-Xin Pan
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Jing-Jing Song
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Hong-Hai Tang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Hong-Ping Yu
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Xu-Hui Li
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Ning Li
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Ting Zhang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Run Zhang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Meng-Na Zhang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Biao Xu
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Quan Fang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
| | - Rui Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, and Institute of Physiology,
School of Basic Medical Sciences, Lanzhou University, 199 Donggang
West Road, Lanzhou, 730000, PR China
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41
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Doebelin C, Bertin I, Schneider S, Schmitt M, Bourguignon JJ, Ancel C, Simonneaux V, Simonin F, Bihel F. Development of DipeptidichGPR54 Agonists. ChemMedChem 2016; 11:2147-2154. [DOI: 10.1002/cmdc.201600331] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Indexed: 12/11/2022]
Affiliation(s)
- Christelle Doebelin
- Faculté de pharmacie, UMR7200, CNRS; University of Strasbourg; 74 route du Rhin 67400 Illkirch France
| | - Isabelle Bertin
- UMR7242, CNRS; University of Strasbourg, ESBS; 67412 Illkirch France
| | - Séverine Schneider
- Faculté de pharmacie, UMR7200, CNRS; University of Strasbourg; 74 route du Rhin 67400 Illkirch France
| | - Martine Schmitt
- Faculté de pharmacie, UMR7200, CNRS; University of Strasbourg; 74 route du Rhin 67400 Illkirch France
| | - Jean-Jacques Bourguignon
- Faculté de pharmacie, UMR7200, CNRS; University of Strasbourg; 74 route du Rhin 67400 Illkirch France
| | - Caroline Ancel
- UPR3212, CNRS; University of Strasbourg, ICIN; 67000 Strasbourg France
| | | | - Frédéric Simonin
- UMR7242, CNRS; University of Strasbourg, ESBS; 67412 Illkirch France
| | - Frédéric Bihel
- Faculté de pharmacie, UMR7200, CNRS; University of Strasbourg; 74 route du Rhin 67400 Illkirch France
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