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Lipiński PFJ, Matalińska J. Fentanyl Structure as a Scaffold for Opioid/Non-Opioid Multitarget Analgesics. Int J Mol Sci 2022; 23:ijms23052766. [PMID: 35269909 PMCID: PMC8910985 DOI: 10.3390/ijms23052766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022] Open
Abstract
One of the strategies in the search for safe and effective analgesic drugs is the design of multitarget analgesics. Such compounds are intended to have high affinity and activity at more than one molecular target involved in pain modulation. In the present contribution we summarize the attempts in which fentanyl or its substructures were used as a μ-opioid receptor pharmacophoric fragment and a scaffold to which fragments related to non-opioid receptors were attached. The non-opioid ‘second’ targets included proteins as diverse as imidazoline I2 binding sites, CB1 cannabinoid receptor, NK1 tachykinin receptor, D2 dopamine receptor, cyclooxygenases, fatty acid amide hydrolase and monoacylglycerol lipase and σ1 receptor. Reviewing the individual attempts, we outline the chemistry, the obtained pharmacological properties and structure-activity relationships. Finally, we discuss the possible directions for future work.
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2
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Schurman LD, Lu D, Kendall DA, Howlett AC, Lichtman AH. Molecular Mechanism and Cannabinoid Pharmacology. Handb Exp Pharmacol 2020; 258:323-353. [PMID: 32236882 PMCID: PMC8637936 DOI: 10.1007/164_2019_298] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Since antiquity, Cannabis has provoked enormous intrigue for its potential medicinal properties as well as for its unique pharmacological effects. The elucidation of its major cannabinoid constituents, Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD), led to the synthesis of new cannabinoids (termed synthetic cannabinoids) to understand the mechanisms underlying the pharmacology of Cannabis. These pharmacological tools were instrumental in the ultimate discovery of the endogenous cannabinoid system, which consists of CB1 and CB2 cannabinoid receptors and endogenously produced ligands (endocannabinoids), which bind and activate both cannabinoid receptors. CB1 receptors mediate the cannabimimetic effects of THC and are highly expressed on presynaptic neurons in the nervous system, where they modulate neurotransmitter release. In contrast, CB2 receptors are primarily expressed on immune cells. The endocannabinoids are tightly regulated by biosynthetic and hydrolytic enzymes. Accordingly, the endocannabinoid system plays a modulatory role in many physiological processes, thereby generating many promising therapeutic targets. An unintended consequence of this research was the emergence of synthetic cannabinoids sold for human consumption to circumvent federal laws banning Cannabis use. Here, we describe research that led to the discovery of the endogenous cannabinoid system and show how knowledge of this system benefitted as well as unintentionally harmed human health.
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Affiliation(s)
- Lesley D Schurman
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA
| | - Dai Lu
- Rangel College of Pharmacy, Health Science Center, Texas A&M University, Kingsville, TX, USA
| | - Debra A Kendall
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, USA
| | - Allyn C Howlett
- Department of Physiology and Pharmacology and Center for Research on Substance Use and Addiction, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Aron H Lichtman
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA.
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA.
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3
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Dahabiyeh LA, Abu-rish EY, Taha MO. Inhibition of monoglyceride lipase by proton pump inhibitors: investigation using docking and in vitro experiments. Pharmacol Rep 2019; 72:435-442. [DOI: 10.1007/s43440-019-00013-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/26/2019] [Accepted: 10/18/2019] [Indexed: 12/24/2022]
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4
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Rodríguez-Soacha DA, Scheiner M, Decker M. Multi-target-directed-ligands acting as enzyme inhibitors and receptor ligands. Eur J Med Chem 2019; 180:690-706. [PMID: 31401465 DOI: 10.1016/j.ejmech.2019.07.040] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/04/2019] [Accepted: 07/11/2019] [Indexed: 12/20/2022]
Abstract
In this review, we present the latest advances in the field of multi-target-directed ligand (MTDL) design for the treatment of various complex pathologies of multifactorial origin. In particular, latest findings in the field of MTDL design targeting both an enzyme and a receptor are presented for different diseases such as Alzheimer's disease (AD), depression, addiction, glaucoma, non-alcoholic steatohepatitis and pain and inflammation. The ethology of the diseases is briefly described, with special emphasis on how the MTDL can evolve into novel therapies that replace the classic pharmacological dogma "one target one disease". Considering the current needs for therapy adherence improvement, it is exposed as from the medicinal chemistry, different molecular scaffolds are studied. With the use of structure activity relationship studies and molecular optimization, new hybrid molecules are generated with improved biological properties acting at two biologically very distinct targets.
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Affiliation(s)
- Diego Alejandro Rodríguez-Soacha
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Matthias Scheiner
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Michael Decker
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
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5
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Tian Y, Cao XX, Shang H, Wu CM, Zhang X, Guo P, Zhang XP, Xu XD. Synthesis and In Vitro Evaluation of Caffeoylquinic Acid Derivatives as Potential Hypolipidemic Agents. Molecules 2019; 24:molecules24050964. [PMID: 30857274 PMCID: PMC6429172 DOI: 10.3390/molecules24050964] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/28/2019] [Accepted: 03/05/2019] [Indexed: 12/26/2022] Open
Abstract
A series of novel caffeoylquinic acid derivatives of chlorogenic acid have been designed and synthesized. Biological evaluation indicated that several synthesized derivatives exhibited moderate to good lipid-lowering effects on oleic acid-elicited lipid accumulation in HepG2 liver cells. Particularly, derivatives 3d, 3g, 4c and 4d exhibited more potential lipid-lowering effect than the positive control simvastatin and chlorogenic acid. Further studies on the mechanism of 3d, 3g, 4c and 4d revealed that the lipid-lowering effects were related to their regulation of TG levels and merit further investigation.
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Affiliation(s)
- Yu Tian
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education; Key Laboratory of Efficacy Evaluation of Chinese Medicine against Glycolipid Metabolic Disorders, State Administration of Traditional Chinese Medicine; Zhong Guan Cun Open Laboratory of the Research and Development of Natural Medicine and Health Products; Key Laboratory of New Drug Discovery Based on Classic Chinese Medicine Prescription; Key Laboratory of New Drug Discovery Based on Classic Chinese Academy of Medical Sciences; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Xiao-Xue Cao
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education; Key Laboratory of Efficacy Evaluation of Chinese Medicine against Glycolipid Metabolic Disorders, State Administration of Traditional Chinese Medicine; Zhong Guan Cun Open Laboratory of the Research and Development of Natural Medicine and Health Products; Key Laboratory of New Drug Discovery Based on Classic Chinese Medicine Prescription; Key Laboratory of New Drug Discovery Based on Classic Chinese Academy of Medical Sciences; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Hai Shang
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education; Key Laboratory of Efficacy Evaluation of Chinese Medicine against Glycolipid Metabolic Disorders, State Administration of Traditional Chinese Medicine; Zhong Guan Cun Open Laboratory of the Research and Development of Natural Medicine and Health Products; Key Laboratory of New Drug Discovery Based on Classic Chinese Medicine Prescription; Key Laboratory of New Drug Discovery Based on Classic Chinese Academy of Medical Sciences; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Chong-Ming Wu
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education; Key Laboratory of Efficacy Evaluation of Chinese Medicine against Glycolipid Metabolic Disorders, State Administration of Traditional Chinese Medicine; Zhong Guan Cun Open Laboratory of the Research and Development of Natural Medicine and Health Products; Key Laboratory of New Drug Discovery Based on Classic Chinese Medicine Prescription; Key Laboratory of New Drug Discovery Based on Classic Chinese Academy of Medical Sciences; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Xi Zhang
- Center of Research and Development on Life Sciences and Environment Sciences, Harbin University of Commerce, Harbin 150076, China.
| | - Peng Guo
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education; Key Laboratory of Efficacy Evaluation of Chinese Medicine against Glycolipid Metabolic Disorders, State Administration of Traditional Chinese Medicine; Zhong Guan Cun Open Laboratory of the Research and Development of Natural Medicine and Health Products; Key Laboratory of New Drug Discovery Based on Classic Chinese Medicine Prescription; Key Laboratory of New Drug Discovery Based on Classic Chinese Academy of Medical Sciences; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Xiao-Po Zhang
- School of Pharmacy, Hainan Medical University, Haikou 571199, China.
| | - Xu-Dong Xu
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education; Key Laboratory of Efficacy Evaluation of Chinese Medicine against Glycolipid Metabolic Disorders, State Administration of Traditional Chinese Medicine; Zhong Guan Cun Open Laboratory of the Research and Development of Natural Medicine and Health Products; Key Laboratory of New Drug Discovery Based on Classic Chinese Medicine Prescription; Key Laboratory of New Drug Discovery Based on Classic Chinese Academy of Medical Sciences; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
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6
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Lipiński PFJ, Kosson P, Matalińska J, Roszkowski P, Czarnocki Z, Jarończyk M, Misicka A, Dobrowolski JC, Sadlej J. Fentanyl Family at the Mu-Opioid Receptor: Uniform Assessment of Binding and Computational Analysis. Molecules 2019; 24:E740. [PMID: 30791394 PMCID: PMC6412969 DOI: 10.3390/molecules24040740] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/14/2019] [Accepted: 02/15/2019] [Indexed: 12/17/2022] Open
Abstract
Interactions of 21 fentanyl derivatives with μ-opioid receptor (μOR) were studied using experimental and theoretical methods. Their binding to μOR was assessed with radioligand competitive binding assay. A uniform set of binding affinity data contains values for two novel and one previously uncharacterized derivative. The data confirms trends known so far and thanks to their uniformity, they facilitate further comparisons. In order to provide structural hypotheses explaining the experimental affinities, the complexes of the studied derivatives with μOR were modeled and subject to molecular dynamics simulations. Five common General Features (GFs) of fentanyls' binding modes stemmed from these simulations. They include: GF1) the ionic interaction between D147 and the ligands' piperidine NH⁺ moiety; GF2) the N-chain orientation towards the μOR interior; GF3) the other pole of ligands is directed towards the receptor outlet; GF4) the aromatic anilide ring penetrates the subpocket formed by TM3, TM4, ECL1 and ECL2; GF5) the 4-axial substituent (if present) is directed towards W318. Except for the ionic interaction with D147, the majority of fentanyl-μOR contacts is hydrophobic. Interestingly, it was possible to find nonlinear relationships between the binding affinity and the volume of the N-chain and/or anilide's aromatic ring. This kind of relationships is consistent with the apolar character of interactions involved in ligand⁻receptor binding. The affinity reaches the optimum for medium size while it decreases for both large and small substituents. Additionally, a linear correlation between the volumes and the average dihedral angles of W293 and W133 was revealed by the molecular dynamics study. This seems particularly important, as the W293 residue is involved in the activation processes. Further, the Y326 (OH) and D147 (Cγ) distance found in the simulations also depends on the ligands' size. In contrast, neither RMSF measures nor D114/Y336 hydrations show significant structure-based correlations. They also do not differentiate studied fentanyl derivatives. Eventually, none of 14 popular scoring functions yielded a significant correlation between the predicted and observed affinity data (R < 0.30, n = 28).
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Affiliation(s)
- Piotr F J Lipiński
- Department of Neuropeptides, Mossakowski Medical Research Centre, Polish Academy of Sciences, 02-106 Warsaw, Poland.
| | - Piotr Kosson
- Toxicology Research Laboratory, Mossakowski Medical Research Centre, Polish Academy of Sciences, 02-106 Warsaw, Poland.
| | - Joanna Matalińska
- Department of Neuropeptides, Mossakowski Medical Research Centre, Polish Academy of Sciences, 02-106 Warsaw, Poland.
| | - Piotr Roszkowski
- Faculty of Chemistry, University of Warsaw, 02-093 Warsaw, Poland.
| | | | | | - Aleksandra Misicka
- Department of Neuropeptides, Mossakowski Medical Research Centre, Polish Academy of Sciences, 02-106 Warsaw, Poland.
- Faculty of Chemistry, University of Warsaw, 02-093 Warsaw, Poland.
| | | | - Joanna Sadlej
- National Medicines Institute, 00-725 Warsaw, Poland.
- Faculty of Mathematics and Natural Sciences, University of Cardinal Stefan Wyszyński, 1/3 Wóycickiego-Str., 01-938 Warsaw, Poland.
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7
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Granchi C, Lapillo M, Glasmacher S, Bononi G, Licari C, Poli G, el Boustani M, Caligiuri I, Rizzolio F, Gertsch J, Macchia M, Minutolo F, Tuccinardi T, Chicca A. Optimization of a Benzoylpiperidine Class Identifies a Highly Potent and Selective Reversible Monoacylglycerol Lipase (MAGL) Inhibitor. J Med Chem 2019; 62:1932-1958. [DOI: 10.1021/acs.jmedchem.8b01483] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Carlotta Granchi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Margherita Lapillo
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Sandra Glasmacher
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, CH-3012 Bern, Switzerland
| | - Giulia Bononi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Cristina Licari
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Giulio Poli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Maguie el Boustani
- Pathology Unit, Department of Molecular Biology and Translational Research, National Cancer Institute and Center for Molecular Biomedicine, 33081 Aviano, Pordenone, Italy
- Doctoral School in Molecular Biomedicine, University of Trieste, 34100 Trieste, Italy
| | - Isabella Caligiuri
- Pathology Unit, Department of Molecular Biology and Translational Research, National Cancer Institute and Center for Molecular Biomedicine, 33081 Aviano, Pordenone, Italy
| | - Flavio Rizzolio
- Pathology Unit, Department of Molecular Biology and Translational Research, National Cancer Institute and Center for Molecular Biomedicine, 33081 Aviano, Pordenone, Italy
- Department of Molecular Sciences and Nanosystems, Ca’ Foscari University, 30123 Venezia, Italy
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, CH-3012 Bern, Switzerland
| | - Marco Macchia
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Filippo Minutolo
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Tiziano Tuccinardi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Andrea Chicca
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, CH-3012 Bern, Switzerland
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8
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Qin Y, Ni L, Shi J, Zhu Z, Shi S, Lam AL, Magiera J, Sekar S, Kuo A, Smith MT, Li T. Synthesis and Biological Evaluation of Fentanyl Analogues Modified at Phenyl Groups with Alkyls. ACS Chem Neurosci 2019; 10:201-208. [PMID: 30179508 DOI: 10.1021/acschemneuro.8b00363] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A series of fentanyl analogues modified at the phenyl group of the phenethyl with alkyl and/or hydroxyl and alkoxy, and the phenyl group in the anilido moiety replaced with benzyl or substituted benzyl, were synthesized. The in vitro opioid receptor functional activity of these compounds was evaluated by assessment of their ability to modulate forskolin-stimulated cAMP accumulation and by their ability to induce β-arrestin2 recruitment. Compound 12 is a potent μ-opioid (MOP) receptor agonist, a potent κ-opioid (KOP) receptor antagonist with weak β-arrestin2 recruitment activity. Compounds 10 and 11 are potent MOP receptor agonists with weak δ-opioid (DOP) receptor antagonist activity and moderate KOP receptor antagonist activity as well as weak β-arrestin2 recruitment activity at the MOP receptor. These compounds are promising leads for discovery of potent opioid analgesics with reduced side effects relative to clinically available strong opioid analgesics.
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Affiliation(s)
- Yajuan Qin
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Luofan Ni
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Jiawei Shi
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Zhiying Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Saijian Shi
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Ai-leen Lam
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Julia Magiera
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Sunderajhan Sekar
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Andy Kuo
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Maree T. Smith
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Tingyou Li
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing 211166, China
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9
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De Leo M, Huallpa CG, Alvarado B, Granchi C, Poli G, De Tommasi N, Braca A. New diterpenes from Salvia pseudorosmarinus and their activity as inhibitors of monoacylglycerol lipase (MAGL). Fitoterapia 2018; 130:251-258. [DOI: 10.1016/j.fitote.2018.09.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 09/11/2018] [Accepted: 09/17/2018] [Indexed: 01/10/2023]
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10
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Mollica A, Pelliccia S, Famiglini V, Stefanucci A, Macedonio G, Chiavaroli A, Orlando G, Brunetti L, Ferrante C, Pieretti S, Novellino E, Benyhe S, Zador F, Erdei A, Szucs E, Samavati R, Dvrorasko S, Tomboly C, Ragno R, Patsilinakos A, Silvestri R. Exploring the first Rimonabant analog-opioid peptide hybrid compound, as bivalent ligand for CB1 and opioid receptors. J Enzyme Inhib Med Chem 2017; 32:444-451. [PMID: 28097916 PMCID: PMC6009935 DOI: 10.1080/14756366.2016.1260565] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Cannabinoid (CB) and opioid systems are both involved in analgesia, food intake, mood and behavior. Due to the co-localization of µ-opioid (MOR) and CB1 receptors in various regions of the central nervous system (CNS) and their ability to form heterodimers, bivalent ligands targeting to both these systems may be good candidates to investigate the existence of possible cross-talking or synergistic effects, also at sub-effective doses. In this work, we selected from a small series of new Rimonabant analogs one CB1R reverse agonist to be conjugated to the opioid fragment Tyr-D-Ala-Gly-Phe-NH2. The bivalent compound (9) has been used for in vitro binding assays, for in vivo antinociception models and in vitro hypothalamic perfusion test, to evaluate the neurotransmitters release.
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Affiliation(s)
- Adriano Mollica
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Sveva Pelliccia
- b Dipartimento di Chimica e Tecnologie del Farmaco , Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza Università di Roma , Roma , Italy
| | - Valeria Famiglini
- b Dipartimento di Chimica e Tecnologie del Farmaco , Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza Università di Roma , Roma , Italy
| | - Azzurra Stefanucci
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Giorgia Macedonio
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Annalisa Chiavaroli
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Giustino Orlando
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Luigi Brunetti
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Claudio Ferrante
- a Dipartimento di Farmacia , Università di Chieti-Pescara "G. d'Annunzio" , Chieti , Italy
| | - Stefano Pieretti
- c Dipartimento del Farmaco , Istituto Superiore di Sanità , Rome , Italy
| | - Ettore Novellino
- d Dipartimento di Farmacia , Università di Napoli "Federico II" , Naples , Italy
| | - Sandor Benyhe
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Ferenc Zador
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Anna Erdei
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Edina Szucs
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Reza Samavati
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Szalbolch Dvrorasko
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Csaba Tomboly
- e Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences , Szeged , Hungary
| | - Rino Ragno
- f Dipartimento di Chimica e Tecnologie del Farmaco , Rome Center for Molecular Design, Sapienza Università di Roma , Roma , Italy.,g Alchemical Dynamics s.r.l , Roma , Italy
| | - Alexandros Patsilinakos
- f Dipartimento di Chimica e Tecnologie del Farmaco , Rome Center for Molecular Design, Sapienza Università di Roma , Roma , Italy.,g Alchemical Dynamics s.r.l , Roma , Italy
| | - Romano Silvestri
- b Dipartimento di Chimica e Tecnologie del Farmaco , Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza Università di Roma , Roma , Italy
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