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Briand-Mésange F, Gennero I, Salles J, Trudel S, Dahan L, Ausseil J, Payrastre B, Salles JP, Chap H. From Classical to Alternative Pathways of 2-Arachidonoylglycerol Synthesis: AlterAGs at the Crossroad of Endocannabinoid and Lysophospholipid Signaling. Molecules 2024; 29:3694. [PMID: 39125098 PMCID: PMC11314389 DOI: 10.3390/molecules29153694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/27/2024] [Accepted: 08/02/2024] [Indexed: 08/12/2024] Open
Abstract
2-arachidonoylglycerol (2-AG) is the most abundant endocannabinoid (EC), acting as a full agonist at both CB1 and CB2 cannabinoid receptors. It is synthesized on demand in postsynaptic membranes through the sequential action of phosphoinositide-specific phospholipase Cβ1 (PLCβ1) and diacylglycerol lipase α (DAGLα), contributing to retrograde signaling upon interaction with presynaptic CB1. However, 2-AG production might also involve various combinations of PLC and DAGL isoforms, as well as additional intracellular pathways implying other enzymes and substrates. Three other alternative pathways of 2-AG synthesis rest on the extracellular cleavage of 2-arachidonoyl-lysophospholipids by three different hydrolases: glycerophosphodiesterase 3 (GDE3), lipid phosphate phosphatases (LPPs), and two members of ecto-nucleotide pyrophosphatase/phosphodiesterases (ENPP6-7). We propose the names of AlterAG-1, -2, and -3 for three pathways sharing an ectocellular localization, allowing them to convert extracellular lysophospholipid mediators into 2-AG, thus inducing typical signaling switches between various G-protein-coupled receptors (GPCRs). This implies the critical importance of the regioisomerism of both lysophospholipid (LPLs) and 2-AG, which is the object of deep analysis within this review. The precise functional roles of AlterAGs are still poorly understood and will require gene invalidation approaches, knowing that both 2-AG and its related lysophospholipids are involved in numerous aspects of physiology and pathology, including cancer, inflammation, immune defenses, obesity, bone development, neurodegeneration, or psychiatric disorders.
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Affiliation(s)
- Fabienne Briand-Mésange
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
| | - Isabelle Gennero
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
- Centre Hospitalier Universitaire de Toulouse, Service de Biochimie, Institut Fédératif de Biologie, 31059 Toulouse, France
| | - Juliette Salles
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
- Centre Hospitalier Universitaire de Toulouse, Service de Psychiatrie D’urgences, de Crise et de Liaison, Institut des Handicaps Neurologiques, Psychiatriques et Sensoriels, 31059 Toulouse, France
| | - Stéphanie Trudel
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
- Centre Hospitalier Universitaire de Toulouse, Service de Biochimie, Institut Fédératif de Biologie, 31059 Toulouse, France
| | - Lionel Dahan
- Centre de Recherches sur la Cognition Animale (CRCA), Centre de Biologie Intégrative (CBI), Université de Toulouse, CNRS, UPS, 31062 Toulouse, France;
| | - Jérôme Ausseil
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
- Centre Hospitalier Universitaire de Toulouse, Service de Biochimie, Institut Fédératif de Biologie, 31059 Toulouse, France
| | - Bernard Payrastre
- I2MC-Institute of Metabolic and Cardiovascular Diseases, INSERM UMR1297 and University of Toulouse III, 31400 Toulouse, France;
- Centre Hospitalier Universitaire de Toulouse, Laboratoire d’Hématologie, 31400 Toulouse, France
| | - Jean-Pierre Salles
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
- Centre Hospitalier Universitaire de Toulouse, Unité d’Endocrinologie et Maladies Osseuses, Hôpital des Enfants, 31059 Toulouse, France
| | - Hugues Chap
- Infinity-Toulouse Institute for Infectious and Inflammatory Diseases, University of Toulouse, INSERM, CNRS, Paul Sabatier University, 31059 Toulouse, France; (F.B.-M.); (I.G.); (J.S.); (S.T.); (J.A.); (J.-P.S.)
- Académie des Sciences, Inscriptions et Belles Lettres de Toulouse, Hôtel d’Assézat, 31000 Toulouse, France
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Gertsch J, Chicca A. CNS Drug Discovery in Academia: Where Basic Research Meets Innovation. Chembiochem 2024:e202400397. [PMID: 38958639 DOI: 10.1002/cbic.202400397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 05/27/2024] [Indexed: 07/04/2024]
Abstract
The involvement of academic research in drug discovery is consistently growing. However, academic projects seldom advance to clinical trials. Here, we assess the landscape of drug discovery within the National Centre of Competence in Research (NCCR) TransCure launched by the Swiss National Science Foundation to foster basic research and early-stage drug discovery on membrane transporters. This included transporters in central nervous system (CNS) disorders, which represent a huge unmet medical need. While idea championship, sustainable funding, collaborations between disciplines at the interface of academia and industry are important for translational research, Popperian falsifiability, strong intellectual property and a motivated startup team are key elements for innovation. This is exemplified by the NCCR TransCure spin-off company Synendos Therapeutics, a clinical stage biotech company developing the first selective endocannabinoid reuptake inhibitors (SERIs) as novel treatment for neuropsychiatric disorders. We provide a perspective on the challenges related to entering an uncharted druggable space and bridging the often mentioned "valley of death". The high attrition rate of drug discovery projects in the CNS field within academia is often due to the lack of meaningful animal models that can provide pharmacological proof-of-concept for potentially disruptive technologies at the earliest stages, and the absence of solid intellectual property.
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Affiliation(s)
- Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bühlstrasse 28, 3012, Bern, Switzerland
| | - Andrea Chicca
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bühlstrasse 28, 3012, Bern, Switzerland
- Synendos Therapeutics, Barfüsserplatz, 3, 4051, Basel, Switzerland
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D’Angelo M, Steardo L. Cannabinoids and Sleep: Exploring Biological Mechanisms and Therapeutic Potentials. Int J Mol Sci 2024; 25:3603. [PMID: 38612415 PMCID: PMC11011314 DOI: 10.3390/ijms25073603] [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: 02/08/2024] [Revised: 03/15/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
The endogenous cannabinoid system (ECS) plays a critical role in the regulation of various physiological functions, including sleep, mood, and neuroinflammation. Phytocannabinoids such as Δ9-tetrahydrocannabinol (THC), cannabidiol (CBD), cannabinomimimetics, and some N-acylethanolamides, particularly palmitoyethanolamide, have emerged as potential therapeutic agents for the management of sleep disorders. THC, the psychoactive component of cannabis, may initially promote sleep, but, in the long term, alters sleep architecture, while CBD shows promise in improving sleep quality without psychoactive effects. Clinical studies suggest that CBD modulates endocannabinoid signaling through several receptor sites, offering a multifaceted approach to sleep regulation. Similarly, palmitoylethanolamide (PEA), in addition to interacting with the endocannabinoid system, acts as an agonist on peroxisome proliferator-activated receptors (PPARs). The favorable safety profile of CBD and PEA and the potential for long-term use make them an attractive alternative to conventional pharmacotherapy. The integration of the latter two compounds into comprehensive treatment strategies, together with cognitive-behavioral therapy for insomnia (CBT-I), represents a holistic approach to address the multifactorial nature of sleep disorders. Further research is needed to establish the optimal dosage, safety, and efficacy in different patient populations, but the therapeutic potential of CBD and PEA offers hope for improved sleep quality and general well-being.
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Affiliation(s)
| | - Luca Steardo
- Psychiatry Unit, Department of Health Sciences, University of Catanzaro Magna Graecia, 88100 Catanzaro, Italy;
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Gupta S, Bharatha A, Cohall D, Rahman S, Haque M, Azim Majumder MA. Aerobic Exercise and Endocannabinoids: A Narrative Review of Stress Regulation and Brain Reward Systems. Cureus 2024; 16:e55468. [PMID: 38440201 PMCID: PMC10910469 DOI: 10.7759/cureus.55468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2024] [Indexed: 03/06/2024] Open
Abstract
Aerobic exercise is a widely adopted practice, not solely for enhancing fitness and reducing the risk of various diseases but also for its ability to uplift mood and aid in addressing depression and anxiety disorders. Within the scope of this narrative review, we seek to consolidate current insights into the endocannabinoid-mediated regulation of stress and the brain's reward mechanism resulting from engaging in aerobic exercise. A comprehensive search was conducted across Medline, SPORTDiscus, Pubmed, and Scopus, encompassing data available until November 30, 2023. This review indicates that a bout of aerobic exercise, particularly of moderate intensity, markedly augments circulating levels of endocannabinoids - N-arachidonoyl-ethanolamine (AEA) and 2-acylglycerol (2-AG), that significantly contributes to mood elevation and reducing stress in healthy individuals. The current understanding of how aerobic exercise impacts mental health and mood improvement is still unclear. Moderate and high-intensity aerobic exercise modulates stress through a negative feedback mechanism targeting both the hypothalamus-pituitary-adrenal (HPA) axis and the sympathetic nervous system, thereby facilitating stress regulation crucial role in endocannabinoid synthesis, ultimately culminating in the orchestration of negative feedback across multiple tiers of the HPA axis, coupled with its influence over cortical and subcortical brain structures. The endocannabinoid has been observed to govern the release of neurotransmitters from diverse neuronal populations, implying a universal mechanism that fine-tunes neuronal activity and consequently modulates both emotional and stress-related responses. Endocannabinoids further assume a pivotal function within brain reward mechanisms, primarily mediated by CB1 receptors distributed across diverse cerebral centers. Notably, these endocannabinoids partake in natural reward processes, as exemplified in aerobic exercise, by synergizing with the dopaminergic reward system. The genesis of this reward pathway can be traced to the ventral tegmental area, with dopamine neurons predominantly projecting to the nucleus accumbens, thereby inciting dopamine release in response to rewarding stimuli.
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Affiliation(s)
- Subir Gupta
- Physiology, Faculty of Medical Sciences, The University of the West Indies, Cave Hill Campus, Bridgetown, BRB
| | - Ambadasu Bharatha
- Pharmacology, Faculty of Medical Sciences, The University of the West Indies, Cave Hill Campus, Bridgetown, BRB
| | - Damian Cohall
- Pharmacology, Faculty of Medical Sciences, The University of the West Indies, Cave Hill Campus, Bridgetown, BRB
| | - Sayeeda Rahman
- Pharmacology, School of Medicine, American University of Integrative Sciences, Bridgetown, BRB
| | - Mainul Haque
- Pharmacology and Therapeutics, Karnavati Scientific Research Center (KSRC) School of Dentistry, Karnavati University, Gandhinagar, IND
- Pharmacology and Therapeutics, National Defence University of Malaysia, Kuala Lumpur, MYS
| | - Md Anwarul Azim Majumder
- Medical Education, Faculty of Medical Sciences, The University of the West Indies, Cave Hill Campus, Bridgetown, BRB
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Fonseca C, Ettcheto M, Bicker J, Fernandes MJ, Falcão A, Camins A, Fortuna A. Under the umbrella of depression and Alzheimer's disease physiopathology: Can cannabinoids be a dual-pleiotropic therapy? Ageing Res Rev 2023; 90:101998. [PMID: 37414155 DOI: 10.1016/j.arr.2023.101998] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/17/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
Depression and Alzheimer´s disease (AD) are two disorders highly prevalent worldwide. Depression affects more than 300 million people worldwide while AD affects 60-80% of the 55 million cases of dementia. Both diseases are affected by aging with high prevalence in elderly and share not only the main brain affected areas but also several physiopathological mechanisms. Depression disease is already ascribed as a risk factor to the development of AD. Despite the wide diversity of pharmacological treatments currently available in clinical practice for depression management, they remain associated to a slow recovery process and to treatment-resistant depression. On the other hand, AD treatment is essentially based in symptomatology relieve. Thus, the need for new multi-target treatments arises. Herein, we discuss the current state-of-art regarding the contribution of the endocannabinoid system (ECS) in synaptic transmission processes, synapses plasticity and neurogenesis and consequently the use of exogenous cannabinoids in the treatment of depression and on delaying the progression of AD. Besides the well-known imbalance of neurotransmitter levels, including serotonin, noradrenaline, dopamine and glutamate, recent scientific evidence highlights aberrant spine density, neuroinflammation, dysregulation of neurotrophic factor levels and formation of amyloid beta (Aβ) peptides, as the main physiopathological mechanisms compromised in depression and AD. The contribution of the ECS in these mechanisms is herein specified as well as the pleiotropic effects of phytocannabinoids. At the end, it became evident that Cannabinol, Cannabidiol, Cannabigerol, Cannabidivarin and Cannabichromene may act in novel therapeutic targets, presenting high potential in the pharmacotherapy of both diseases.
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Affiliation(s)
- Carla Fonseca
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; CIBIT - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Coimbra, Portugal; Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Science, Universitat de Barcelona, Barcelona, Spain; Institute of Neurosciences, Universitat de Barcelona, Barcelona, Spain
| | - Miren Ettcheto
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Science, Universitat de Barcelona, Barcelona, Spain; Institute of Neurosciences, Universitat de Barcelona, Barcelona, Spain; Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Carlos III Health Institute, Madrid, Spain
| | - Joana Bicker
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; CIBIT - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Coimbra, Portugal
| | - Maria José Fernandes
- Departamento de Neurologia/Neurocirurgia, Escola Paulista de Medicina, Universidade Federal de São Paulo-UNIFESP, Rua Pedro de Toledo, 669, CEP, São Paulo 04039-032, Brazil
| | - Amílcar Falcão
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; CIBIT - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Coimbra, Portugal
| | - Antoni Camins
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Science, Universitat de Barcelona, Barcelona, Spain; Institute of Neurosciences, Universitat de Barcelona, Barcelona, Spain; Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Carlos III Health Institute, Madrid, Spain
| | - Ana Fortuna
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; CIBIT - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Coimbra, Portugal.
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Motamedi S, Amleshi RS, Javar BA, Shams P, Kohlmeier KA, Shabani M. Cannabis during pregnancy: A way to transfer an impairment to later life. Birth Defects Res 2023; 115:1327-1344. [PMID: 37318343 DOI: 10.1002/bdr2.2207] [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: 12/09/2022] [Revised: 05/11/2023] [Accepted: 05/20/2023] [Indexed: 06/16/2023]
Abstract
Epidemiological studies examining the influence of cannabis across the lifespan show that exposure to cannabis during gestation or during the perinatal period is associated with later-life mental health issues that manifest during childhood, adolescence, and adulthood. The risk of later-life negative outcomes following early exposure is particularly high in persons who have specific genetic variants, implying that cannabis usage interacts with genetics to heighten mental health risks. Prenatal and perinatal exposure to psychoactive components has been shown in animal research to be associated with long-term effects on neural systems relevant to psychiatric and substance use disorders. The long-term molecular, epigenetic, electrophysiological, and behavioral consequences of prenatal and perinatal exposure to cannabis are discussed in this article. Animal and human studies, as well as in vivo neuroimaging methods, are used to provide insights into the changes induced in the brain by cannabis. Here, based on the literature from both animal models and humans, it can be concluded that prenatal cannabis exposure alters the developmental route of several neuronal regions with correlated functional consequences evidenced as changes in social behavior and executive functions throughout life.
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Affiliation(s)
- Sina Motamedi
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
| | - Reza Saboori Amleshi
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
| | - Behnoush Akbari Javar
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
- Health Foresight and Innovation Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Parisa Shams
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
- Department of Anatomical Sciences, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kristi A Kohlmeier
- Department of Drug Design and Pharmacology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mohammad Shabani
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
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Maccarrone M, Di Marzo V, Gertsch J, Grether U, Howlett AC, Hua T, Makriyannis A, Piomelli D, Ueda N, van der Stelt M. Goods and Bads of the Endocannabinoid System as a Therapeutic Target: Lessons Learned after 30 Years. Pharmacol Rev 2023; 75:885-958. [PMID: 37164640 PMCID: PMC10441647 DOI: 10.1124/pharmrev.122.000600] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 05/12/2023] Open
Abstract
The cannabis derivative marijuana is the most widely used recreational drug in the Western world and is consumed by an estimated 83 million individuals (∼3% of the world population). In recent years, there has been a marked transformation in society regarding the risk perception of cannabis, driven by its legalization and medical use in many states in the United States and worldwide. Compelling research evidence and the Food and Drug Administration cannabis-derived cannabidiol approval for severe childhood epilepsy have confirmed the large therapeutic potential of cannabidiol itself, Δ9-tetrahydrocannabinol and other plant-derived cannabinoids (phytocannabinoids). Of note, our body has a complex endocannabinoid system (ECS)-made of receptors, metabolic enzymes, and transporters-that is also regulated by phytocannabinoids. The first endocannabinoid to be discovered 30 years ago was anandamide (N-arachidonoyl-ethanolamine); since then, distinct elements of the ECS have been the target of drug design programs aimed at curing (or at least slowing down) a number of human diseases, both in the central nervous system and at the periphery. Here a critical review of our knowledge of the goods and bads of the ECS as a therapeutic target is presented to define the benefits of ECS-active phytocannabinoids and ECS-oriented synthetic drugs for human health. SIGNIFICANCE STATEMENT: The endocannabinoid system plays important roles virtually everywhere in our body and is either involved in mediating key processes of central and peripheral diseases or represents a therapeutic target for treatment. Therefore, understanding the structure, function, and pharmacology of the components of this complex system, and in particular of key receptors (like cannabinoid receptors 1 and 2) and metabolic enzymes (like fatty acid amide hydrolase and monoacylglycerol lipase), will advance our understanding of endocannabinoid signaling and activity at molecular, cellular, and system levels, providing new opportunities to treat patients.
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Affiliation(s)
- Mauro Maccarrone
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Vincenzo Di Marzo
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Jürg Gertsch
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Uwe Grether
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Allyn C Howlett
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Tian Hua
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Alexandros Makriyannis
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Daniele Piomelli
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Natsuo Ueda
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Mario van der Stelt
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
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8
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Osorio-Perez RM, Rodríguez-Manzo G, Espinosa-Riquer ZP, Cruz SL, González-Espinosa C. Endocannabinoid modulation of allergic responses: Focus on the control of FcεRI-mediated mast cell activation. Eur J Cell Biol 2023; 102:151324. [PMID: 37236045 DOI: 10.1016/j.ejcb.2023.151324] [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: 12/23/2022] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Allergic reactions are highly prevalent pathologies initiated by the production of IgE antibodies against harmless antigens (allergens) and the activation of the high-affinity IgE receptor (FcεRI) expressed in the surface of basophils and mast cells (MCs). Research on the mechanisms of negative control of those exacerbated inflammatory reactions has been intense in recent years. Endocannabinoids (eCBs) show important regulatory effects on MC-mediated immune responses, mainly inhibiting the production of pro-inflammatory mediators. However, the description of the molecular mechanisms involved in eCB control of MC activation is far from complete. In this review, we aim to summarize the available information regarding the role of eCBs in the modulation of FcεRI-dependent activation of that cell type, emphasizing the description of the eCB system and the existence of some of its elements in MCs. Unique characteristics of the eCB system and cannabinoid receptors (CBRs) localization and signaling in MCs are mentioned. The described and putative points of cross-talk between CBRs and FcεRI signaling cascades are also presented. Finally, we discuss some important considerations in the study of the effects of eCBs in MCs and the perspectives in the field.
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Affiliation(s)
- Rubi Monserrat Osorio-Perez
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, CP 14330 Mexico City, Mexico
| | - Gabriela Rodríguez-Manzo
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, CP 14330 Mexico City, Mexico
| | - Zyanya P Espinosa-Riquer
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, CP 14330 Mexico City, Mexico
| | - Silvia L Cruz
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, CP 14330 Mexico City, Mexico
| | - Claudia González-Espinosa
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, CP 14330 Mexico City, Mexico.
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9
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Maccarrone M. Need for Methods to Investigate Endocannabinoid Signaling. Methods Mol Biol 2023; 2576:1-8. [PMID: 36152173 DOI: 10.1007/978-1-0716-2728-0_1] [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] [Indexed: 06/16/2023]
Abstract
Endocannabinoids (eCBs) are endogenous lipids able to bind to cannabinoid receptors, the primary molecular targets of the cannabis (Cannabis sativa) active principle Δ9-tetrahydrocannabinol. During the last 20 years, several N-acylethanolamines and acylesters have been shown to act as eCBs, and a complex array of receptors, metabolic enzymes, and transporters (that altogether form the so-called "eCB system") has been shown to finely tune their manifold biological activities. It appears now urgent to develop methods and protocols that allow to assay in a specific and quantitative manner the distinct components of the eCB system and that can properly localize them within the cell. A brief overview of eCBs and of the proteins that bind, transport, and metabolize these lipids is presented here, in orderto put in a better perspective, the relevance of methodologies that help to disclose molecular details of eCB signaling in health and disease. Proper methodological approaches form also the basis for a more rationale and effective drug design and therapeutic strategy to combat human disorders.
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Affiliation(s)
- Mauro Maccarrone
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.
- European Center for Brain Research/Santa Lucia Foundation IRCCS, Rome, Italy.
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10
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Scheyer A, Yasmin F, Naskar S, Patel S. Endocannabinoids at the synapse and beyond: implications for neuropsychiatric disease pathophysiology and treatment. Neuropsychopharmacology 2023; 48:37-53. [PMID: 36100658 PMCID: PMC9700791 DOI: 10.1038/s41386-022-01438-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/10/2022] [Accepted: 08/18/2022] [Indexed: 11/09/2022]
Abstract
Endocannabinoids (eCBs) are lipid neuromodulators that suppress neurotransmitter release, reduce postsynaptic excitability, activate astrocyte signaling, and control cellular respiration. Here, we describe canonical and emerging eCB signaling modes and aim to link adaptations in these signaling systems to pathological states. Adaptations in eCB signaling systems have been identified in a variety of biobehavioral and physiological process relevant to neuropsychiatric disease states including stress-related disorders, epilepsy, developmental disorders, obesity, and substance use disorders. These insights have enhanced our understanding of the pathophysiology of neurological and psychiatric disorders and are contributing to the ongoing development of eCB-targeting therapeutics. We suggest future studies aimed at illuminating how adaptations in canonical as well as emerging cellular and synaptic modes of eCB signaling contribute to disease pathophysiology or resilience could further advance these novel treatment approaches.
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Affiliation(s)
| | - Farhana Yasmin
- Northwestern Center for Psychiatric Neuroscience, Chicago, IL, USA
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Saptarnab Naskar
- Northwestern Center for Psychiatric Neuroscience, Chicago, IL, USA
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Sachin Patel
- Northwestern Center for Psychiatric Neuroscience, Chicago, IL, USA.
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA.
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11
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Reynoso-Moreno I, Rau M, Chicca A, Nicolussi S, Gertsch J. Assay of Endocannabinoid Uptake. Methods Mol Biol 2023; 2576:329-348. [PMID: 36152200 DOI: 10.1007/978-1-0716-2728-0_28] [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] [Indexed: 06/16/2023]
Abstract
Endocannabinoids at nanomolar physiological concentrations cross cellular membranes by facilitated diffusion, a process that can be studied by measuring transport kinetics and endocannabinoid trafficking employing radioligands and mass spectrometry. Here, we describe radiosubstrate-based assays using arachidonoyl[1-3H]ethanolamine and 2-arachidonoyl[1,2,3-3H]glycerol to measure cellular endocannabinoid uptake in a three-phase assay with human U937 cells. Liquid chromatography-electrospray ionization-mass spectrometry (LC-ESI-MS/MS)-based lipidomics was used to interrogate the roles of serum and albumin for endocannabinoid trafficking in U937 cells.
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Affiliation(s)
- Ines Reynoso-Moreno
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland
| | - Mark Rau
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland
| | - Andrea Chicca
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland
| | - Simon Nicolussi
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland.
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12
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Inhibiting Endocannabinoid Hydrolysis as Emerging Analgesic Strategy Targeting a Spectrum of Ion Channels Implicated in Migraine Pain. Int J Mol Sci 2022; 23:ijms23084407. [PMID: 35457225 PMCID: PMC9027089 DOI: 10.3390/ijms23084407] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/08/2022] [Accepted: 04/13/2022] [Indexed: 12/23/2022] Open
Abstract
Migraine is a disabling neurovascular disorder characterized by severe pain with still limited efficient treatments. Endocannabinoids, the endogenous painkillers, emerged, alternative to plant cannabis, as promising analgesics against migraine pain. In this thematic review, we discuss how inhibition of the main endocannabinoid-degrading enzymes, monoacylglycerol lipase (MAGL) and fatty acid amide hydrolase (FAAH), could raise the level of endocannabinoids (endoCBs) such as 2-AG and anandamide in order to alleviate migraine pain. We describe here: (i) migraine pain signaling pathways, which could serve as specific targets for antinociception; (ii) a divergent distribution of MAGL and FAAH activities in the key regions of the PNS and CNS implicated in migraine pain signaling; (iii) a complexity of anti-nociceptive effects of endoCBs mediated by cannabinoid receptors and through a direct modulation of ion channels in nociceptive neurons; and (iv) the spectrum of emerging potent MAGL and FAAH inhibitors which efficiently increase endoCBs levels. The specific distribution and homeostasis of endoCBs in the main regions of the nociceptive system and their generation ‘on demand’, along with recent availability of MAGL and FAAH inhibitors suggest new perspectives for endoCBs-mediated analgesia in migraine pain.
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13
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Simone JJ, Green MR, McCormick CM. Endocannabinoid system contributions to sex-specific adolescent neurodevelopment. Prog Neuropsychopharmacol Biol Psychiatry 2022; 113:110438. [PMID: 34534603 DOI: 10.1016/j.pnpbp.2021.110438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 08/13/2021] [Accepted: 09/08/2021] [Indexed: 01/08/2023]
Abstract
With an increasing number of countries and states adopting legislation permitting the use of cannabis for medical purposes, there is a growing interest among health and research professionals into the system through which cannabinoids principally act, the endocannabinoid system (ECS). Much of the seminal research into the ECS dates back only 30 years and, although there has been tremendous development within the field during this time, many questions remain. More recently, investigations have emerged examining the contributions of the ECS to normative development and the effect of altering this system during important critical periods. One such period is adolescence, a unique period during which brain and behaviours are maturing and reorganizing in preparation for adulthood, including shifts in endocannabinoid biology. The purpose of this review is to discuss findings to date regarding the maturation of the ECS during adolescence and the consequences of manipulations of the ECS during this period to normative neurodevelopmental processes, as well as highlight sex differences in ECS function, important technical considerations, and future directions. Because most of what we know is derived from preclinical studies on rodents, we provide relevant background of this model and some commentary on the translational relevance of the research in this area.
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Affiliation(s)
- Jonathan J Simone
- Department of Biological Sciences, 1812 Sir Isaac Brock Way, Brock University, St. Catharines, ON L2S 3A1, Canada; Centre for Neuroscience, 1812 Sir Isaac Brock Way, Brock University, St. Catharines, ON L2S 3A1, Canada; Huxley Health Inc., 8820 Jane St., Concord, ON, L4K 2M9, Canada; eCB Consulting Inc., PO Box 652, 3 Cameron St. W., Cannington, ON L0E 1E0, Canada; Medical Cannabis Canada, 601-3500 Lakeshore Rd. W., Oakville, ON L6L 0B4, Canada.
| | - Matthew R Green
- eCB Consulting Inc., PO Box 652, 3 Cameron St. W., Cannington, ON L0E 1E0, Canada; Medical Cannabis Canada, 601-3500 Lakeshore Rd. W., Oakville, ON L6L 0B4, Canada.
| | - Cheryl M McCormick
- Department of Biological Sciences, 1812 Sir Isaac Brock Way, Brock University, St. Catharines, ON L2S 3A1, Canada; Centre for Neuroscience, 1812 Sir Isaac Brock Way, Brock University, St. Catharines, ON L2S 3A1, Canada; Department of Psychology, 1812 Sir Isaac Brock Way, Brock University, St. Catharines, ON L2S 3A1, Canada.
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14
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Dudok B, Soltesz I. Imaging the endocannabinoid signaling system. J Neurosci Methods 2022; 367:109451. [PMID: 34921843 PMCID: PMC8734437 DOI: 10.1016/j.jneumeth.2021.109451] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 10/18/2021] [Accepted: 12/13/2021] [Indexed: 02/03/2023]
Abstract
The endocannabinoid (eCB) system is one of the most widespread neuromodulatory systems in the mammalian brain, with a multifaceted role in functions ranging from development to synaptic plasticity. Endocannabinoids are synthesized on demand from membrane lipid precursors, and act primarily on a single G-protein coupled receptor type, CB1, to carry out diverse functions. Despite the importance of the eCB system both in healthy brain function and in disease, critically important details of eCB signaling remained unknown. How eCBs are released from the membrane, how these lipid molecules are transported between cells, and how the distribution of their receptors is controlled, remained elusive. Recent advances in optical microscopy methods and biosensor engineering may open up new avenues for studying eCB signaling. We summarize applications of superresolution microscopy using single molecule localization to reveal distinct patterns of nanoscale CB1 distribution in neuronal axons and axon terminals. We review single particle tracking studies using quantum dots that allowed visualizing CB1 trajectories. We highlight the recent development of fluorescent eCB biosensors, that revealed spatiotemporally specific eCB release in live cells and live animals. Finally, we discuss future directions where method development may help to advance a precise understanding of eCB signaling.
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Affiliation(s)
- Barna Dudok
- Department of Neurosurgery, Stanford University, Stanford, CA, USA.
| | - Ivan Soltesz
- Department of Neurosurgery, Stanford University, Stanford, CA, USA
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15
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Papa A, Pasquini S, Contri C, Gemma S, Campiani G, Butini S, Varani K, Vincenzi F. Polypharmacological Approaches for CNS Diseases: Focus on Endocannabinoid Degradation Inhibition. Cells 2022; 11:cells11030471. [PMID: 35159280 PMCID: PMC8834510 DOI: 10.3390/cells11030471] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/21/2022] [Accepted: 01/27/2022] [Indexed: 01/27/2023] Open
Abstract
Polypharmacology breaks up the classical paradigm of “one-drug, one target, one disease” electing multitarget compounds as potential therapeutic tools suitable for the treatment of complex diseases, such as metabolic syndrome, psychiatric or degenerative central nervous system (CNS) disorders, and cancer. These diseases often require a combination therapy which may result in positive but also negative synergistic effects. The endocannabinoid system (ECS) is emerging as a particularly attractive therapeutic target in CNS disorders and neurodegenerative diseases including Parkinson’s disease (PD), Alzheimer’s disease (AD), Huntington’s disease (HD), multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), stroke, traumatic brain injury (TBI), pain, and epilepsy. ECS is an organized neuromodulatory network, composed by endogenous cannabinoids, cannabinoid receptors type 1 and type 2 (CB1 and CB2), and the main catabolic enzymes involved in the endocannabinoid inactivation such as fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL). The multiple connections of the ECS with other signaling pathways in the CNS allows the consideration of the ECS as an optimal source of inspiration in the development of innovative polypharmacological compounds. In this review, we focused our attention on the reported polypharmacological examples in which FAAH and MAGL inhibitors are involved.
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Affiliation(s)
- Alessandro Papa
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy; (A.P.); (S.G.); (G.C.)
| | - Silvia Pasquini
- Department of Translational Medicine, University of Ferrara, Via Fossato di Mortara 17-19, 44121 Ferrara, Italy; (S.P.); (C.C.); (K.V.); (F.V.)
| | - Chiara Contri
- Department of Translational Medicine, University of Ferrara, Via Fossato di Mortara 17-19, 44121 Ferrara, Italy; (S.P.); (C.C.); (K.V.); (F.V.)
| | - Sandra Gemma
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy; (A.P.); (S.G.); (G.C.)
| | - Giuseppe Campiani
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy; (A.P.); (S.G.); (G.C.)
| | - Stefania Butini
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy; (A.P.); (S.G.); (G.C.)
- Correspondence: ; Tel.: +39-0577-234161
| | - Katia Varani
- Department of Translational Medicine, University of Ferrara, Via Fossato di Mortara 17-19, 44121 Ferrara, Italy; (S.P.); (C.C.); (K.V.); (F.V.)
| | - Fabrizio Vincenzi
- Department of Translational Medicine, University of Ferrara, Via Fossato di Mortara 17-19, 44121 Ferrara, Italy; (S.P.); (C.C.); (K.V.); (F.V.)
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16
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On the Biomedical Properties of Endocannabinoid Degradation and Reuptake Inhibitors: Pre-clinical and Clinical Evidence. Neurotox Res 2021; 39:2072-2097. [PMID: 34741755 DOI: 10.1007/s12640-021-00424-z] [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: 07/19/2021] [Revised: 09/14/2021] [Accepted: 09/28/2021] [Indexed: 10/19/2022]
Abstract
The endocannabinoid system (ECS) is composed of endogenous cannabinoids; components involved in their synthesis, transport, and degradation; and an expansive variety of cannabinoid receptors. Hypofunction or deregulation of the ECS is related to pathological conditions. Consequently, endogenous enhancement of endocannabinoid levels and/or regulation of their metabolism represent promising therapeutic approaches. Several major strategies have been suggested for the modulation of the ECS: (1) blocking endocannabinoids degradation, (2) inhibition of endocannabinoid cellular uptake, and (3) pharmacological modulation of cannabinoid receptors as potential therapeutic targets. Here, we focused in this review on degradation/reuptake inhibitors over cannabinoid receptor modulators in order to provide an updated synopsis of contemporary evidence advancing mechanisms of endocannabinoids as pharmacological tools with therapeutic properties for the treatment of several disorders. For this purpose, we revisited the available literature and reported the latest advances regarding the biomedical properties of fatty acid amide hydrolase and monoacylglycerol lipase inhibitors in pre-clinical and clinical studies. We also highlighted anandamide and 2-arachidonoylglycerol reuptake inhibitors with promising results in pre-clinical studies using in vitro and animal models as an outlook for future research in clinical trials.
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17
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Lowe H, Toyang N, Steele B, Bryant J, Ngwa W. The Endocannabinoid System: A Potential Target for the Treatment of Various Diseases. Int J Mol Sci 2021; 22:9472. [PMID: 34502379 PMCID: PMC8430969 DOI: 10.3390/ijms22179472] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/23/2021] [Accepted: 08/26/2021] [Indexed: 02/06/2023] Open
Abstract
The Endocannabinoid System (ECS) is primarily responsible for maintaining homeostasis, a balance in internal environment (temperature, mood, and immune system) and energy input and output in living, biological systems. In addition to regulating physiological processes, the ECS directly influences anxiety, feeding behaviour/appetite, emotional behaviour, depression, nervous functions, neurogenesis, neuroprotection, reward, cognition, learning, memory, pain sensation, fertility, pregnancy, and pre-and post-natal development. The ECS is also involved in several pathophysiological diseases such as cancer, cardiovascular diseases, and neurodegenerative diseases. In recent years, genetic and pharmacological manipulation of the ECS has gained significant interest in medicine, research, and drug discovery and development. The distribution of the components of the ECS system throughout the body, and the physiological/pathophysiological role of the ECS-signalling pathways in many diseases, all offer promising opportunities for the development of novel cannabinergic, cannabimimetic, and cannabinoid-based therapeutic drugs that genetically or pharmacologically modulate the ECS via inhibition of metabolic pathways and/or agonism or antagonism of the receptors of the ECS. This modulation results in the differential expression/activity of the components of the ECS that may be beneficial in the treatment of a number of diseases. This manuscript in-depth review will investigate the potential of the ECS in the treatment of various diseases, and to put forth the suggestion that many of these secondary metabolites of Cannabis sativa L. (hereafter referred to as "C. sativa L." or "medical cannabis"), may also have potential as lead compounds in the development of cannabinoid-based pharmaceuticals for a variety of diseases.
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Affiliation(s)
- Henry Lowe
- Biotech R & D Institute, University of the West Indies, Mona 99999, Jamaica; (H.L.); (J.B.)
- Vilotos Pharmaceuticals Inc., Baltimore, MD 21202, USA;
- Flavocure Biotech Inc., Baltimore, MD 21202, USA
- Department of Medicine, University of Maryland Medical School, Baltimore, MD 21202, USA
| | - Ngeh Toyang
- Vilotos Pharmaceuticals Inc., Baltimore, MD 21202, USA;
- Flavocure Biotech Inc., Baltimore, MD 21202, USA
| | - Blair Steele
- Biotech R & D Institute, University of the West Indies, Mona 99999, Jamaica; (H.L.); (J.B.)
| | - Joseph Bryant
- Biotech R & D Institute, University of the West Indies, Mona 99999, Jamaica; (H.L.); (J.B.)
| | - Wilfred Ngwa
- Brigham and Women’s Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA;
- Johns Hopkins University School of Medicine, Baltimore, MD 21218, USA
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18
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Winters BL, Vaughan CW. Mechanisms of endocannabinoid control of synaptic plasticity. Neuropharmacology 2021; 197:108736. [PMID: 34343612 DOI: 10.1016/j.neuropharm.2021.108736] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 01/13/2023]
Abstract
The endogenous cannabinoid transmitter system regulates synaptic transmission throughout the nervous system. Unlike conventional transmitters, specific stimuli induce synthesis of endocannabinoids (eCBs) in the postsynaptic neuron, and these travel backwards to modulate presynaptic inputs. In doing so, eCBs can induce short-term changes in synaptic strength and longer-term plasticity. While this eCB regulation is near ubiquitous, it displays major regional and synapse specific variations with different synapse specific forms of short-versus long-term plasticity throughout the brain. These differences are due to the plethora of pre- and postsynaptic mechanisms which have been implicated in eCB signalling, the intricacies of which are only just being realised. In this review, we shall describe the current understanding and highlight new advances in this area, with a focus on the retrograde action of eCBs at CB1 receptors (CB1Rs).
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Affiliation(s)
- Bryony Laura Winters
- Pain Management Research Institute, Kolling Institute of Medical Research, Northern Clinical School, University of Sydney at Royal North Shore Hospital, NSW, Australia.
| | - Christopher Walter Vaughan
- Pain Management Research Institute, Kolling Institute of Medical Research, Northern Clinical School, University of Sydney at Royal North Shore Hospital, NSW, Australia
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Netzahualcoyotzi C, Rodríguez-Serrano LM, Chávez-Hernández ME, Buenrostro-Jáuregui MH. Early Consumption of Cannabinoids: From Adult Neurogenesis to Behavior. Int J Mol Sci 2021; 22:7450. [PMID: 34299069 PMCID: PMC8306314 DOI: 10.3390/ijms22147450] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 01/31/2023] Open
Abstract
The endocannabinoid system (ECS) is a crucial modulatory system in which interest has been increasing, particularly regarding the regulation of behavior and neuroplasticity. The adolescent-young adulthood phase of development comprises a critical period in the maturation of the nervous system and the ECS. Neurogenesis occurs in discrete regions of the adult brain, and this process is linked to the modulation of some behaviors. Since marijuana (cannabis) is the most consumed illegal drug globally and the highest consumption rate is observed during adolescence, it is of particular importance to understand the effects of ECS modulation in these early stages of adulthood. Thus, in this article, we sought to summarize recent evidence demonstrating the role of the ECS and exogenous cannabinoid consumption in the adolescent-young adulthood period; elucidate the effects of exogenous cannabinoid consumption on adult neurogenesis; and describe some essential and adaptive behaviors, such as stress, anxiety, learning, and memory. The data summarized in this work highlight the relevance of maintaining balance in the endocannabinoid modulatory system in the early and adult stages of life. Any ECS disturbance may induce significant modifications in the genesis of new neurons and may consequently modify behavioral outcomes.
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Affiliation(s)
- Citlalli Netzahualcoyotzi
- Laboratorio de Neurociencias, Departamento de Psicología, Universidad Iberoamericana Ciudad de México, Prolongación Paseo de la Reforma 880, Lomas de Santa Fé, Ciudad de México 01219, Mexico; (C.N.); (L.M.R.-S.); (M.E.C.-H.)
- Centro de Investigación en Ciencias de la Salud (CICSA), FCS, Universidad Anáhuac México Campus Norte, Huixquilucan 52786, Mexico
| | - Luis Miguel Rodríguez-Serrano
- Laboratorio de Neurociencias, Departamento de Psicología, Universidad Iberoamericana Ciudad de México, Prolongación Paseo de la Reforma 880, Lomas de Santa Fé, Ciudad de México 01219, Mexico; (C.N.); (L.M.R.-S.); (M.E.C.-H.)
- Laboratorio de Neurobiología de la alimentación, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla 54090, Mexico
| | - María Elena Chávez-Hernández
- Laboratorio de Neurociencias, Departamento de Psicología, Universidad Iberoamericana Ciudad de México, Prolongación Paseo de la Reforma 880, Lomas de Santa Fé, Ciudad de México 01219, Mexico; (C.N.); (L.M.R.-S.); (M.E.C.-H.)
| | - Mario Humberto Buenrostro-Jáuregui
- Laboratorio de Neurociencias, Departamento de Psicología, Universidad Iberoamericana Ciudad de México, Prolongación Paseo de la Reforma 880, Lomas de Santa Fé, Ciudad de México 01219, Mexico; (C.N.); (L.M.R.-S.); (M.E.C.-H.)
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Ghosh S, Stansak K, Walters BJ. Cannabinoid Signaling in Auditory Function and Development. Front Mol Neurosci 2021; 14:678510. [PMID: 34079440 PMCID: PMC8165240 DOI: 10.3389/fnmol.2021.678510] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/15/2021] [Indexed: 12/20/2022] Open
Abstract
Plants of the genus Cannabis have been used by humans for millennia for a variety of purposes. Perhaps most notable is the use of certain Cannabis strains for their psychoactive effects. More recently, several biologically active molecules within the plants of these Cannabis strains, called phytocannabinoids or simply cannabinoids, have been identified. Furthermore, within human cells, endogenous cannabinoids, or endocannabinoids, as well as the receptors and secondary messengers that give rise to their neuromodulatory effects, have also been characterized. This endocannabinoid system (ECS) is composed of two primary ligands-anandamide and 2-arachidonyl glycerol; two primary receptors-cannabinoid receptors 1 and 2; and several enzymes involved in biosynthesis and degradation of endocannabinoid ligands including diacylglycerol lipase (DAGL) and monoacylglycerol lipase (MAGL). Here we briefly summarize cannabinoid signaling and review what has been discerned to date with regard to cannabinoid signaling in the auditory system and its roles in normal physiological function as well as pathological conditions. While much has been uncovered regarding cannabinoid signaling in the central nervous system, less attention has been paid to the auditory system specifically. Still, evidence is emerging to suggest that cannabinoid signaling is critical for the development, maturation, function, and survival of cochlear hair cells (HCs) and spiral ganglion neurons (SGNs). Furthermore, cannabinoid signaling can have profound effects on synaptic connectivity in CNS structures related to auditory processing. While clinical cases demonstrate that endogenous and exogenous cannabinoids impact auditory function, this review highlights several areas, such as SGN development, where more research is warranted.
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Affiliation(s)
- Sumana Ghosh
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, United States
| | - Kendra Stansak
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, United States
| | - Bradley J Walters
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, United States.,Department of Otolaryngology-Head and Neck Surgery, University of Mississippi Medical Center, Jackson, MS, United States
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21
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Kaczocha M, Haj-Dahmane S. Mechanisms of endocannabinoid transport in the brain. Br J Pharmacol 2021; 179:4300-4310. [PMID: 33786823 DOI: 10.1111/bph.15469] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 12/14/2022] Open
Abstract
The endocannabinoids 2-arachidonoylglycerol (2-AG) and anandamide are among the best studied lipid messengers in the brain. By activating cannabinoid receptors in the CNS, endocannabinoids tune synaptic function, thereby influencing a variety of physiological and behavioural processes. Extensive research conducted over the last few decades has considerably enhanced our understanding of the molecular mechanisms and physiological functions of the endocannabinoid system. It is now well-established that endocannabinoids are synthesized by postsynaptic neurons and serve as retrograde messengers that suppress neurotransmitter release at central synapses. While the detailed mechanisms by which endocannabinoids gate synaptic function and behavioural processes are relatively well characterized, the mechanisms governing endocannabinoid transport at central synapses remain ill defined. Recently, several studies have begun to unravel the mechanisms governing intracellular and intercellular endocannabinoid transport. In this review, we will focus on new advances in the mechanisms of intracellular and synaptic endocannabinoid transport in the CNS.
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Affiliation(s)
- Martin Kaczocha
- Department of Anesthesiology, Stony Brook University, Stony Brook, New York, USA.,Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, New York, USA
| | - Samir Haj-Dahmane
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA.,Neuroscience Program, University at Buffalo, Buffalo, New York, USA
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22
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The rise and fall of anandamide: processes that control synthesis, degradation, and storage. Mol Cell Biochem 2021; 476:2753-2775. [PMID: 33713246 DOI: 10.1007/s11010-021-04121-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 02/25/2021] [Indexed: 12/16/2022]
Abstract
Anandamide is an endocannabinoid derived from arachidonic acid-containing membrane lipids and has numerous biological functions. Its effects are primarily mediated by the cannabinoid receptors CB1 and CB2, and the vanilloid TRPV1 receptor. Anandamide is known to be involved in sleeping and eating patterns as well as pleasure enhancement and pain relief. This manuscript provides a review of anandamide synthesis, degradation, and storage and hence the homeostasis of the anandamide signaling system.
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Modulation of single cell circadian response to NMDA by diacylglycerol lipase inhibition reveals a role of endocannabinoids in light entrainment of the suprachiasmatic nucleus. Neuropharmacology 2021; 185:108455. [PMID: 33444638 DOI: 10.1016/j.neuropharm.2021.108455] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/23/2020] [Accepted: 01/05/2021] [Indexed: 12/11/2022]
Abstract
Suprachiasmatic nucleus (SCN) of the hypothalamus is the master clock that drives circadian rhythms in physiology and behavior and adjusts their timing to external cues. Neurotransmitter glutamate and glutamatergic receptors sensitive to N-methyl-d-aspartate (NMDA) play a dual role in the SCN by coupling astrocytic and neuronal single cell oscillators and by resetting their phase in response to light. Recent reports suggested that signaling by endogenous cannabinoids (ECs) participates in both of these functions. We have previously shown that ECs, such as 2-arachidonoylglycerol (2-AG), act via CB1 receptors to affect the SCN response to light-mimicking NMDA stimulus in a time-dependent manner. We hypothesized that this ability is linked to the circadian regulation of EC signaling. We demonstrate that circadian clock in the rat SCN regulates expression of 2-AG transport, synthesis and degradation enzymes as well as its receptors. Inhibition of the major 2-AG synthesis enzyme, diacylglycerol lipase, enhanced the phase delay and lowered the amplitude of explanted SCN rhythm in response to NMDAR activation. Using microscopic PER2 bioluminescence imaging, we visualized how individual single cell oscillators in different parts of the SCN respond to the DAGL inhibition/NMDAR activation and shape response of the whole pacemaker. Additionally, we present strong evidence that the zero amplitude behavior of the SCN in response to single NMDA stimulus in the middle of subjective night is the result of a loss of rhythm in individual SCN cells. The paper provides new insights into the modulatory role of endocannabinoid signaling during the light entrainment of the SCN.
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Maccarrone M, Rapino C, Francavilla F, Barbonetti A. Cannabinoid signalling and effects of cannabis on the male reproductive system. Nat Rev Urol 2020; 18:19-32. [PMID: 33214706 DOI: 10.1038/s41585-020-00391-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2020] [Indexed: 12/17/2022]
Abstract
Marijuana is the most widely consumed recreational drug worldwide, which raises concerns for its potential effects on fertility. Many aspects of human male reproduction can be modulated by cannabis-derived extracts (cannabinoids) and their endogenous counterparts, known as endocannabinoids (eCBs). These latter molecules act as critical signals in a variety of physiological processes through receptors, enzymes and transporters collectively termed the endocannabinoid system (ECS). Increasing evidence suggests a role for eCBs, as well as cannabinoids, in various aspects of male sexual and reproductive health. Although preclinical studies have clearly shown that ECS is involved in negative modulation of testosterone secretion by acting both at central and testicular levels in animal models, the effect of in vivo exposure to cannabinoids on spermatogenesis remains a matter of debate. Furthermore, inconclusive clinical evidence does not seem to support the notion that plant-derived cannabinoids have harmful effects on human sexual and reproductive health. An improved understanding of the complex crosstalk between cannabinoids and eCBs is required before targeting of ECS for modulation of human fertility becomes a reality.
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Affiliation(s)
- Mauro Maccarrone
- Department of Applied Clinical and Biotechnological Sciences, University of L'Aquila, L'Aquila, Italy.
| | - Cinzia Rapino
- School of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Felice Francavilla
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Arcangelo Barbonetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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25
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Proksch E, Soeberdt M, Neumann C, Kilic A, Abels C. Modulators of the endocannabinoid system influence skin barrier repair, epidermal proliferation, differentiation and inflammation in a mouse model. Exp Dermatol 2020; 28:1058-1065. [PMID: 31350927 DOI: 10.1111/exd.14012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 06/27/2019] [Accepted: 07/11/2019] [Indexed: 12/12/2022]
Abstract
Endocannabinoids (ECs) are important regulators of cell signalling. Cannabinoid receptors are involved in keratinocyte proliferation/differentiation. Elevation of the endogenous cannabinoid tone leads to strong anti-inflammatory effects. Here, we explored the influence of endocannabinoid system (ECS) modulators on skin permeability barrier repair, epidermal proliferation, differentiation and inflammation in hairless mice. We used WOBE440, a selective fatty acid amide hydrolase (FAAH) inhibitor, WOL067-531, an inhibitor of endocannabinoid reuptake with no relevant FAAH activity, which both signal via cannabinoid receptor-1 and cannabinoid receptor-2 (CB-1R and CB-2R) and compared them to WOBE15 which signals via CB-2R. Barrier disruption and skin irritation were induced by tape stripping or by sodium dodecyl sulphate (SDS) patch testing. Immediately after barrier disruption, 30 μL of 0.5% WOBE440, WOL067-531 and WOBE15 solutions or the vehicle was applied topically. Barrier repair was monitored by transepidermal water loss at 1.5, 3, 5 and 7 hours. We found that barrier repair was significantly delayed by WOL067-531. A tendency for a delay was noticed for WOBE440, whereas for WOBE15, no effect was observed. Immunohistology showed that the tape-stripping-induced increase in epidermal proliferation and filaggrin expression was significantly reduced by topical applications of WOL067-531 and WOBE440, but not by WOBE15. Also, the SDS-induced inflammation, as determined by the number of inflammatory cells, was reduced by WOL067-531 and WOBE440. In summary, we showed that WOL067-531 exhibits a significant effect on skin barrier repair, epidermal proliferation/differentiation and inflammation.
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Affiliation(s)
| | | | - Claudia Neumann
- Department of Dermatology, University of Kiel, Kiel, Germany
| | - Ana Kilic
- Dr. August Wolff GmbH & Co. KG, Bielefeld, Germany
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Granchi C, Bononi G, Ferrisi R, Gori E, Mantini G, Glasmacher S, Poli G, Palazzolo S, Caligiuri I, Rizzolio F, Canzonieri V, Perin T, Gertsch J, Sodi A, Giovannetti E, Macchia M, Minutolo F, Tuccinardi T, Chicca A. Design, synthesis and biological evaluation of second-generation benzoylpiperidine derivatives as reversible monoacylglycerol lipase (MAGL) inhibitors. Eur J Med Chem 2020; 209:112857. [PMID: 33045662 DOI: 10.1016/j.ejmech.2020.112857] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 02/06/2023]
Abstract
An interesting enzyme of the endocannabinoid system is monoacylglycerol lipase (MAGL). This enzyme, which metabolizes the endocannabinoid 2-arachidonoylglycerol (2-AG), has attracted great interest due to its involvement in several physiological and pathological processes, such as cancer progression. Experimental evidences highlighted some drawbacks associated with the use of irreversible MAGL inhibitors in vivo, therefore the research field concerning reversible inhibitors is rapidly growing. In the present manuscript, the class of benzoylpiperidine-based MAGL inhibitors was further expanded and optimized. Enzymatic assays identified some compounds in the low nanomolar range and steered molecular dynamics simulations predicted the dissociation itinerary of one of the best compounds from the enzyme, confirming the observed structure-activity relationship. Biological evaluation, including assays in intact U937 cells and competitive activity-based protein profiling experiments in mouse brain membranes, confirmed the selectivity of the selected compounds for MAGL versus other components of the endocannabinoid system. An antiproliferative ability in a panel of cancer cell lines highlighted their potential as potential anticancer agents. Future studies on the potential use of these compounds in the clinical setting are also supported by the inhibition of cell growth observed both in cancer organoids derived from high grade serous ovarian cancer patients and in pancreatic ductal adenocarcinoma primary cells, which showed genetic and histological features very similar to the primary tumors.
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Affiliation(s)
- Carlotta Granchi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Giulia Bononi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Rebecca Ferrisi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Eleonora Gori
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Giulia Mantini
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, DeBoelelaan 1117, 1081HV, Amsterdam, the Netherlands; Cancer Pharmacology Lab, Fondazione Pisana per La Scienza, Via Giovannini 13, 56017, San Giuliano Terme, Pisa, Italy
| | - Sandra Glasmacher
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, CH-3012, Bern, Switzerland
| | - Giulio Poli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Stefano Palazzolo
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081, Aviano, Italy
| | - Isabella Caligiuri
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081, Aviano, Italy
| | - Flavio Rizzolio
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081, Aviano, Italy; Department of Molecular Sciences and Nanosystems, Ca' Foscari University, 30123, Venezia, Italy
| | - Vincenzo Canzonieri
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081, Aviano, Italy; Department of Medical, Surgical and Health Sciences, Università Degli Studi di Trieste, Strada di Fiume 447, Trieste, Italy
| | - Tiziana Perin
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081, Aviano, Italy
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, CH-3012, Bern, Switzerland
| | - Andrea Sodi
- Department of Neurosciences, Psychology, Drug Research and Child Health Eye Clinic, University of Florence, AOU Careggi, 50139, Florence, Italy
| | - Elisa Giovannetti
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, DeBoelelaan 1117, 1081HV, Amsterdam, the Netherlands; Cancer Pharmacology Lab, Fondazione Pisana per La Scienza, Via Giovannini 13, 56017, San Giuliano Terme, Pisa, Italy
| | - 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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Miller S, Daily L, Dharla V, Gertsch J, Malamas MS, Ojima I, Kaczocha M, Ogasawara D, Straiker A. Endocannabinoid metabolism and transport as targets to regulate intraocular pressure. Exp Eye Res 2020; 201:108266. [PMID: 32979397 DOI: 10.1016/j.exer.2020.108266] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/17/2020] [Accepted: 09/21/2020] [Indexed: 02/06/2023]
Abstract
Cannabinoids are part of an endogenous signaling system found throughout the body, including the eye. Hepler and Frank showed in the early 1970s that plant cannabinoids can lower intraocular pressure (IOP), an effect since shown to occur via cannabinoid CB1 and GPR18 receptors. Endocannabinoids are synthesized and metabolized enzymatically. Enzymes implicated in endocannabinoids breakdown include monoacylglycerol lipase (MAGL) and fatty acid amide hydrolase (FAAH), but also ABHD12, NAAA, and COX-2. Inhibition of MAGL activity raises levels of the endocannabinoid 2-arachidonoyl glycerol and substantially lowers IOP. Blocking other cannabinoid metabolizing enzymes or cannabinoid transporters may similarly contribute to lowering IOP and so serve as therapeutic targets for treating glaucoma. We have tested blockers for several cannabinoid-metabolizing enzymes and transporters (FABP5 and membrane reuptake) for their ability to alter ocular pressure in a murine model of IOP. Of FAAH, ABHD12, NAAA, and COX2, only FAAH was seen to play a role in regulation of IOP. Only the FAAH blocker URB597 lowered IOP, but in a temporally, diurnally, and sex-specific manner. We also tested two blockers of cannabinoid transport (SBFI-26 and WOBE437), finding that each lowered IOP in a CB1-dependent manner. Though we see a modest, limited role for FAAH, our results suggest that MAGL is the primary cannabinoid-metabolizing enzyme in regulating ocular pressure, thus pointing towards a role of 2-arachidonoyl glycerol. Interestingly, inhibition of cannabinoid transport mechanisms independent of hydrolysis may prove to be an alternative strategy to lower ocular pressure.
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Affiliation(s)
- Sally Miller
- The Gill Center for Biomolecular Science, Program in Neuroscience, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
| | - Laura Daily
- The Gill Center for Biomolecular Science, Program in Neuroscience, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
| | - Vijai Dharla
- The Gill Center for Biomolecular Science, Program in Neuroscience, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
| | - Juerg Gertsch
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bühlstrasse 28, 3012, Bern, Switzerland
| | - Michael S Malamas
- Center for Drug Discovery and Departments of Chemistry and Chemical Biology and Pharmaceutical Sciences, Northeastern University, Boston, MA, 02115, USA
| | - Iwao Ojima
- Department of Chemistry, USA; Institute of Chemical Biology and Drug Discovery, USA
| | - Martin Kaczocha
- Institute of Chemical Biology and Drug Discovery, USA; Department of Anesthesiology, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Daisuke Ogasawara
- Department of Chemistry, Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Alex Straiker
- The Gill Center for Biomolecular Science, Program in Neuroscience, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA.
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Lu HC, Mackie K. Review of the Endocannabinoid System. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2020; 6:607-615. [PMID: 32980261 DOI: 10.1016/j.bpsc.2020.07.016] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/27/2020] [Accepted: 07/27/2020] [Indexed: 01/02/2023]
Abstract
The endocannabinoid system (ECS) is a widespread neuromodulatory network involved in the developing central nervous system as well as playing a major role in tuning many cognitive and physiological processes. The ECS is composed of endogenous cannabinoids, cannabinoid receptors, and the enzymes responsible for the synthesis and degradation of endocannabinoids. In addition to its endogenous roles, cannabinoid receptors are the primary target of Δ9-tetrahydrocannabinol, the intoxicating component of cannabis. In this review, we summarize our current understanding of the ECS. We start with a description of ECS components and their role in synaptic plasticity and neurodevelopment, and then discuss how phytocannabinoids and other exogenous compounds may perturb the ECS, emphasizing examples relevant to psychosis.
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Affiliation(s)
- Hui-Chen Lu
- Gill Center for Biomolecular Science and the Department of Psychological and Brain Sciences, Indiana University Bloomington, Bloomington, Indiana
| | - Ken Mackie
- Gill Center for Biomolecular Science and the Department of Psychological and Brain Sciences, Indiana University Bloomington, Bloomington, Indiana.
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Maia J, Fonseca BM, Teixeira N, Correia-da-Silva G. The fundamental role of the endocannabinoid system in endometrium and placenta: implications in pathophysiological aspects of uterine and pregnancy disorders. Hum Reprod Update 2020; 26:586-602. [PMID: 32347309 PMCID: PMC7317288 DOI: 10.1093/humupd/dmaa005] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/03/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The endocannabinoid system (ECS) consists of the cannabinoid receptors CB1 and CB2, the main endocannabinoids anandamide (AEA) and 2-arachidonoylglycerol (2-AG) and their metabolic enzymes N-acylphosphatidylethanolamine-specific phospholipase D, fatty acid amide hydrolase, diacylglycerol lipase and monoacylglycerol lipase. This system is involved in the modulation of essential physiological processes. Its role in the reproductive system has become significantly important in recent years, given its major role in events such as gametogenesis, decidualisation, implantation and placentation. OBJECTIVE AND RATIONALE In this paper, we review the literature and summarize the role of the ECS elements in reproduction and their potential as early markers for diagnosis of reproductive disorders or as pharmacological targets for treatment. SEARCH METHODS Original research and review papers published from 1964 to June 2019 were selected in terms of relevance, reliability and quality by searching PubMed, MEDLINE and Web of Science, using the following search terms: endocannabinoid system and endometriosis; endocannabinoid system and ectopic pregnancy; endocannabinoid system and miscarriage; endocannabinoid system and pre-eclampsia; endocannabinoid system and endometrial cancer; endocannabinoid system and reproduction; endocannabinoid, endometrium; placenta; N-acylethanolamines; anandamide; 2-arachidonoylglycerol; and cannabinoids. OUTCOMES This review demonstrates relevant information concerning ECS alterations in endometriosis, ectopic pregnancy, miscarriage, pre-eclampsia and endometrial cancer. We highlight the importance of the endocannabinoids in endometrial and placental physiology and pathophysiology, from studies in vitro and in vivo and in clinical observations. The most studied of the endogenous cannabinoids is AEA. The levels of AEA were increased in plasma of patients with endometriosis and miscarriage, as well as in the fallopian tube of women with ectopic pregnancy and in endometrial biopsies of endometrial cancer. Changes in the pattern of expression of the cannabinoid receptor CB1 were also observed in endometrial biopsies of endometriosis, fallopian tube and decidua of patients with ectopic pregnancy and pre-eclamptic placenta. Moreover, alterations in CB2 expression have been reported in association with endometrial cancer. In general, studies on the cannabinoid signalling through CB2 and on the biological activities of the other major endocannabinoid, namely 2-AG, as well as its metabolic enzymes are scarce and avidly required. WIDER IMPLICATIONS The pathophysiological mechanisms involved in the described endometrial and placental pathologies are still unclear and lack the means for an early diagnosis. Based on current evidence, though alterations in ECS are demonstrated at tissue level, it is difficult to associate plasmatic changes in AEA with specific endometrial and placental diseases. Thus, pairing alterations in AEA levels with 2-AG and/or other endocannabinoid-like molecules may provide more accurate and early diagnoses. In addition, patients may benefit from new therapies that target the ECS and endocannabinoid signalling.
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Affiliation(s)
- J Maia
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - BM Fonseca
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - N Teixeira
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - G Correia-da-Silva
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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Castel P, Simon P, Barbier M, Sunyach C, Tassistro V, Manzoni O, Pelissier AL, Courbiere B. [Focus on the endocannabinoid system and the reprotoxicity of marijuana in female users]. ACTA ACUST UNITED AC 2020; 48:384-392. [PMID: 32017991 DOI: 10.1016/j.gofs.2020.01.024] [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: 08/08/2019] [Indexed: 12/01/2022]
Abstract
Among recreative compounds, marijuana is the most used worldwide. Delta9THC binding on brain endocannabinoid receptors drives its psychotropic effects. The endocannabinoid system (ECS) is an endogenous neurohormonal system essential for homeostasis composed of ligands, metabolic enzymes and at least 2 receptors discovered to date. In female reproduction, the ECS regulates the hypothalamic-pituitary axis and many steps of the reproduction process, such as ovulation, tubal transportation and trophoblast implantation. Delta9THC can cross the placental barrier and bind to the fetal endocannabinoid system. In humans, fetal and obstetrical consequences of marijuana use during pregnancy are intrauterine growth restriction and preterm delivery. In the light of legalization projects currently reviewed in several western countries, further research should be conducted to improve knowledge on maternal, fetal and reprotoxic consequences of marijuana use during reproductive age and pregnancy.
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Affiliation(s)
- P Castel
- Aix-Marseille université, Avignon université, CNRS, IRD, IMBE, institut méditerranéen de biodiversité et d'écologie marine et continentale, équipe biomarqueurs, environnement et santé, site Timone, 27, boulevard Jean-Moulin, 13005 Marseille, France; Pôle femmes-parents-enfants, plateforme couple reproduction enfant : environnement & risques (CREER), hôpital de La Conception, hôpital Nord, AP-HM, Marseille, France.
| | - P Simon
- Pôle femmes-parents-enfants, plateforme couple reproduction enfant : environnement & risques (CREER), hôpital de La Conception, hôpital Nord, AP-HM, Marseille, France; Aix-Marseille université, Inserm, INMED, institut de neurobiologie de la méditerranée, 163, avenue de Luminy, 13009 Marseille, France
| | - M Barbier
- Aix-Marseille université, Avignon université, CNRS, IRD, IMBE, institut méditerranéen de biodiversité et d'écologie marine et continentale, équipe biomarqueurs, environnement et santé, site Timone, 27, boulevard Jean-Moulin, 13005 Marseille, France; Pôle femmes-parents-enfants, plateforme couple reproduction enfant : environnement & risques (CREER), hôpital de La Conception, hôpital Nord, AP-HM, Marseille, France
| | - C Sunyach
- Aix-Marseille université, Avignon université, CNRS, IRD, IMBE, institut méditerranéen de biodiversité et d'écologie marine et continentale, équipe biomarqueurs, environnement et santé, site Timone, 27, boulevard Jean-Moulin, 13005 Marseille, France; Pôle femmes-parents-enfants, plateforme couple reproduction enfant : environnement & risques (CREER), hôpital de La Conception, hôpital Nord, AP-HM, Marseille, France
| | - V Tassistro
- Aix-Marseille université, Avignon université, CNRS, IRD, IMBE, institut méditerranéen de biodiversité et d'écologie marine et continentale, équipe biomarqueurs, environnement et santé, site Timone, 27, boulevard Jean-Moulin, 13005 Marseille, France
| | - O Manzoni
- Aix-Marseille université, Inserm, INMED, institut de neurobiologie de la méditerranée, 163, avenue de Luminy, 13009 Marseille, France
| | - A-L Pelissier
- Aix-Marseille université, Inserm, INMED, institut de neurobiologie de la méditerranée, 163, avenue de Luminy, 13009 Marseille, France; Service de médecine légale, CHU Timone Adultes, AP-HM, Marseille, France
| | - B Courbiere
- Aix-Marseille université, Avignon université, CNRS, IRD, IMBE, institut méditerranéen de biodiversité et d'écologie marine et continentale, équipe biomarqueurs, environnement et santé, site Timone, 27, boulevard Jean-Moulin, 13005 Marseille, France; Pôle femmes-parents-enfants, plateforme couple reproduction enfant : environnement & risques (CREER), hôpital de La Conception, hôpital Nord, AP-HM, Marseille, France
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Gado F, Arena C, Fauci CL, Reynoso-Moreno I, Bertini S, Digiacomo M, Meini S, Poli G, Macchia M, Tuccinardi T, Gertsch J, Chicca A, Manera C. Modification on the 1,2-dihydro-2-oxo-pyridine-3-carboxamide core to obtain multi-target modulators of endocannabinoid system. Bioorg Chem 2020; 94:103353. [DOI: 10.1016/j.bioorg.2019.103353] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 10/03/2019] [Accepted: 10/09/2019] [Indexed: 12/17/2022]
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Maccarrone M. Missing Pieces to the Endocannabinoid Puzzle. Trends Mol Med 2019; 26:263-272. [PMID: 31822395 DOI: 10.1016/j.molmed.2019.11.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 10/21/2019] [Accepted: 11/06/2019] [Indexed: 12/24/2022]
Abstract
The most bioactive ingredient of cannabis (Cannabis sativa or indica) extracts, Δ9-tetrahydrocannabinol (THC), was identified in the 1960s as one of more than 110 phytocannabinoids. It activates receptors of chemically different endogenous ligands (endocannabinoids) that, unlike THC, are metabolized by several enzymes of the endocannabinoid system. Here, the complexity of the plant-derived and endogenous cannabinoids (eCBs) is discussed, to better appreciate the challenge of: (i) dissecting their mutual interactions; (ii) understanding their impact on human pathophysiology; and (iii) exploiting them for human disease. To this aim, missing pieces to the eCB puzzle must be urgently found, by solving the 3D structures of key components, and interrogating noncanonical modes of regulation and trafficking of these lipid signals.
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Affiliation(s)
- Mauro Maccarrone
- Department of Medicine, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 21, 00128 Rome, Italy; European Center for Brain Research, IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano 64, 00143 Rome, Italy.
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33
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Sládek M, Houdek P, Sumová A. Circadian profiling reveals distinct regulation of endocannabinoid system in the rat plasma, liver and adrenal glands by light-dark and feeding cycles. Biochim Biophys Acta Mol Cell Biol Lipids 2019; 1864:158533. [DOI: 10.1016/j.bbalip.2019.158533] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 09/19/2019] [Accepted: 09/25/2019] [Indexed: 12/17/2022]
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Burstein SH. Eicosanoid mediation of cannabinoid actions. Bioorg Med Chem 2019; 27:2718-2728. [DOI: 10.1016/j.bmc.2019.05.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 05/08/2019] [Accepted: 05/11/2019] [Indexed: 12/26/2022]
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Abstract
Extracts from Cannabis species have aided the discovery of the endocannabinoid signaling system (ECSS) and phytocannabinoids that possess broad therapeutic potential. Whereas the reinforcing effects of C. sativa are largely attributed to CB1 receptor agonism by Δ9-tetrahydrocannabinol (Δ9-THC), the observed medicinal effects of Cannabis arise from the combined actions of various compounds. In addition to compounds bearing a classical cannabinoid structure, naturally occurring fatty acid amides and esters resembling anandamide and 2-arachidonoyl glycerol isolated from non- Cannabis species are also valuable tools for studying ECSS function. This review highlights the potential of plant-based secondary metabolites from Cannabis and unrelated species as ECSS modulators.
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Affiliation(s)
- Christopher W Cunningham
- Department of Pharmaceutical Sciences , Concordia University Wisconsin , Mequon , Wisconsin 53097 , United States
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Tóth KF, Ádám D, Bíró T, Oláh A. Cannabinoid Signaling in the Skin: Therapeutic Potential of the "C(ut)annabinoid" System. Molecules 2019; 24:E918. [PMID: 30845666 PMCID: PMC6429381 DOI: 10.3390/molecules24050918] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 02/06/2023] Open
Abstract
The endocannabinoid system (ECS) has lately been proven to be an important, multifaceted homeostatic regulator, which influences a wide-variety of physiological processes all over the body. Its members, the endocannabinoids (eCBs; e.g., anandamide), the eCB-responsive receptors (e.g., CB₁, CB₂), as well as the complex enzyme and transporter apparatus involved in the metabolism of the ligands were shown to be expressed in several tissues, including the skin. Although the best studied functions over the ECS are related to the central nervous system and to immune processes, experimental efforts over the last two decades have unambiguously confirmed that cutaneous cannabinoid ("c[ut]annabinoid") signaling is deeply involved in the maintenance of skin homeostasis, barrier formation and regeneration, and its dysregulation was implicated to contribute to several highly prevalent diseases and disorders, e.g., atopic dermatitis, psoriasis, scleroderma, acne, hair growth and pigmentation disorders, keratin diseases, various tumors, and itch. The current review aims to give an overview of the available skin-relevant endo- and phytocannabinoid literature with a special emphasis on the putative translational potential, and to highlight promising future research directions as well as existing challenges.
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Affiliation(s)
- Kinga Fanni Tóth
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.
| | - Dorottya Ádám
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.
| | - Tamás Bíró
- Department of Immunology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.
- HCEMM Nonprofit Ltd., 6720 Szeged, Hungary.
| | - Attila Oláh
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.
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Sonti S, Tolia M, Duclos RI, Loring RH, Gatley SJ. Metabolic studies of synaptamide in an immortalized dopaminergic cell line. Prostaglandins Other Lipid Mediat 2019; 141:25-33. [PMID: 30763677 DOI: 10.1016/j.prostaglandins.2019.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 01/30/2019] [Accepted: 02/05/2019] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Synaptamide, the N-acylethanolamine of docosahexaenoic acid (DHA), is structurally similar to the endocannabinoid N-arachidonoylethanolamine, anandamide. It is an endogenous ligand at the orphan G-protein coupled receptor 110 (GPR110; ADGRF1), and induces neuritogenesis and synaptogenesis in hippocampal and cortical neurons, as well as neuronal differentiation in neural stem cells. PURPOSE Our goal was to characterize the metabolic fate (synthesis and metabolism) of synaptamide in a dopaminergic cell line using immortalized fetal mesencephalic cells (N27 cells). Both undifferentiated and differentiating N27 cells were used in this study in an effort to understand synaptamide synthesis and metabolism in developing and adult cells. METHODS Radiotracer uptake and hydrolysis assays were conducted in N27 cells incubated with [1-14C]DHA or with one of two radioisotopomers of synaptamide: [α,β-14C2]synaptamide and [1-14C-DHA]synaptamide. RESULTS Neither differentiated nor undifferentiated N27 cells synthesized synaptamide from radioactive DHA, but both rapidly incorporated radioactivity from exogenous synaptamide into membrane phospholipids, regardless of which isotopomer was used. Pharmacological inhibition of fatty acid amide hydrolase (FAAH) reduced formation of labeled phospholipids in undifferentiated but not differentiated cells. CONCLUSIONS In undifferentiated cells, synaptamide uptake and metabolism is driven by its enzymatic hydrolysis (fatty acid amide hydrolase; FAAH), but in differentiating cells, the process seems to be FAAH independent. We conclude that differentiated and undifferentiated N27 cells utilize synaptamide via different mechanisms. This observation could be extrapolated to how different mechanisms may be in place for synaptamide uptake and metabolism in developing and adult dopaminergic cells.
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Affiliation(s)
- Shilpa Sonti
- Department of Pharmaceutical Sciences, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States.
| | - Mansi Tolia
- Department of Pharmaceutical Sciences, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States
| | - Richard I Duclos
- Department of Pharmaceutical Sciences, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States
| | - Ralph H Loring
- Department of Pharmaceutical Sciences, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States
| | - Samuel J Gatley
- Department of Pharmaceutical Sciences, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States
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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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Li-Zhulanov NS, Il’ina IV, Chicca A, Schenker P, Patrusheva OS, Nazimova EV, Korchagina DV, Krasavin M, Volcho KP, Salakhutdinov NF. Effect of chiral polyhydrochromenes on cannabinoid system. Med Chem Res 2019. [DOI: 10.1007/s00044-019-02294-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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40
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Iakovenko RO, Chicca A, Nieri D, Reynoso-Moreno I, Gertsch J, Krasavin M, Vasilyev AV. Synthesis of various arylated trifluoromethyl substituted indanes and indenes, and study of their biological activity. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.12.041] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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41
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Walker OLS, Holloway AC, Raha S. The role of the endocannabinoid system in female reproductive tissues. J Ovarian Res 2019; 12:3. [PMID: 30646937 PMCID: PMC6332911 DOI: 10.1186/s13048-018-0478-9] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 12/21/2018] [Indexed: 01/29/2023] Open
Abstract
There has been increasing interest in the role of endocannabinoids as critical modulators of the female reproductive processes. Endocannabinoids are natural ligands of cannabinoid, vanilloid, and peroxisome proliferator-activated receptors. Together with their receptors, enzymes and downstream signaling targets, they form the endocannabinoid system (ECS). While the ECS is known to modulate pain and neurodevelopment, it is also known to impact the female reproductive system where it affects folliculogenesis, oocyte maturation, and ovarian endocrine secretion. In addition, the ECS affects oviductal embryo transport, implantation, uterine decidualization and placentation. There is a complex interplay between the ECS and the hypothalamic-pituitary-ovarian axis, and an intricate crosstalk between the ECS and steroid hormone production and secretion. Exogenous cannabinoids, derived from plants such as Cannabis sativa, are also ligands for cannabinoid receptors. These have been shown to have clinical outcomes related to ECS dysregulation, including multiple sclerosis, Alzheimer's disease, and amyotrophic lateral sclerosis, along with adverse effects on female reproduction. The aim of this review is to describe and discuss data from human, animal, and in vitro studies that support the important role of the endocannabinoid system in female reproductive tissues and processes. In particular, we will discuss some of the mechanisms by which endocannabinoid signaling can affect ovarian function in both physiological and pathophysiological states.
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Affiliation(s)
- O’ Llenecia S. Walker
- Department of Pediatrics, and the Graduate Program in Medical Sciences, McMaster University, 1280 Main Street West, HSC 3N11H, Hamilton, ON L8S 4K1 Canada
| | - Alison C. Holloway
- Department of Obstetrics and Gynecology and the Graduate Program in Medical Sciences, McMaster University, 1280 Main Street West, HSC 3N52A, Hamilton, ON L8S 4K1 Canada
| | - Sandeep Raha
- Department of Pediatrics, and the Graduate Program in Medical Sciences, McMaster University, 1280 Main Street West, HSC 3N11H, Hamilton, ON L8S 4K1 Canada
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42
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Gianessi CA, Groman SM, Taylor JR. Bi-directional modulation of food habit expression by the endocannabinoid system. Eur J Neurosci 2019; 49:1610-1622. [PMID: 30589475 DOI: 10.1111/ejn.14330] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 12/03/2018] [Accepted: 12/14/2018] [Indexed: 12/22/2022]
Abstract
The compulsive, habitual behaviors that have been observed in individuals diagnosed with substance use disorders may be due to disruptions in the neural circuits that mediate goal-directed actions. The endocannabinoid system has been shown to play a critical role in habit learning, but the role of this neuromodulatory system in habit expression is unclear. Here, we investigated the role of the endocannabinoid system in established habitual actions using contingency degradation in male C57BL/6 mice. We found that administration of the endocannabinoid transport inhibitor AM404 reduced habitual responding for food and that antagonism of cannabinoid receptor type 1 (CB1), but not transient receptor potential cation subfamily V (TRPV1), receptors produced a similar reduction in habitual responding. Moreover, pharmacological stimulation of CB1 receptors increased habitual responding for food. Co-administration of an enzyme inhibitor that selectively increases the endocannabinoid 2-arachidonoyl glycerol (2-AG) with AM404 partially restored habitual responding for food. Together, these findings demonstrate an important role for the endocannabinoid system in the expression of habits and provide novel insights into potential pharmacological strategies for reducing habitual behaviors in mental disorders.
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Affiliation(s)
- Carol A Gianessi
- Department of Psychiatry, Division of Molecular Psychiatry, Yale University School of Medicine, New Haven, Connecticut.,Interdepartmental Neuroscience Program, Yale University Graduate School of Arts and Sciences, New Haven, Connecticut
| | - Stephanie M Groman
- Department of Psychiatry, Division of Molecular Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Jane R Taylor
- Department of Psychiatry, Division of Molecular Psychiatry, Yale University School of Medicine, New Haven, Connecticut.,Interdepartmental Neuroscience Program, Yale University Graduate School of Arts and Sciences, New Haven, Connecticut.,Department of Psychology, Yale University, New Haven, Connecticut
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Lafreniere J, Kelly M. Potential for endocannabinoid system modulation in ocular pain and inflammation: filling the gaps in current pharmacological options. Neuronal Signal 2018; 2:NS20170144. [PMID: 32714590 PMCID: PMC7373237 DOI: 10.1042/ns20170144] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/18/2018] [Accepted: 10/19/2018] [Indexed: 02/06/2023] Open
Abstract
Challenges in the management of ocular pain are an underappreciated topic. Currently available therapeutics lack both efficacy and clear guidelines for their use, with many also possessing unacceptable side effects. Promising novel agents would offer analgesic, anti-inflammatory, and possibly neuroprotective actions; have favorable ocular safety profiles; and show potential in managing neuropathic pain. Growing evidence supports a link between the endocannabinoid system (ECS) and a range of physiological and disease processes, notably those involving inflammation and pain. Both preclinical and clinical data suggest analgesic and anti-inflammatory actions of cannabinoids and ECS-modifying drugs in chronic pain conditions, including those of neuropathic origin. This review will examine existing evidence for the anatomical and physiological basis of ocular pain, specifically, ocular surface disease and the development of chronic ocular pain. The mechanism of action, efficacy, and limitations of currently available treatments will be discussed, and current knowledge related to ECS-modulation of ocular pain and inflammatory disease will be summarized. A perspective will be provided on the future directions of ECS research in terms of developing cannabinoid therapeutics for ocular pain.
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Affiliation(s)
| | - Melanie E.M. Kelly
- Department of Pharmacology, Dalhousie University, Halifax, NS, Canada
- Department of Ophthalmology and Visual Sciences, Dalhousie University, Halifax, NS, Canada
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
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44
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Szabady RL, Louissaint C, Lubben A, Xie B, Reeksting S, Tuohy C, Demma Z, Foley SE, Faherty CS, Llanos-Chea A, Olive AJ, Mrsny RJ, McCormick BA. Intestinal P-glycoprotein exports endocannabinoids to prevent inflammation and maintain homeostasis. J Clin Invest 2018; 128:4044-4056. [PMID: 30102254 DOI: 10.1172/jci96817] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 06/19/2018] [Indexed: 01/09/2023] Open
Abstract
Neutrophil influx into the intestinal lumen is a critical response to infectious agents, but is also associated with severe intestinal damage observed in idiopathic inflammatory bowel disease. The chemoattractant hepoxilin A3, an eicosanoid secreted from intestinal epithelial cells by the apically restricted efflux pump multidrug resistance protein 2 (MRP2), mediates this neutrophil influx. Information about a possible counterbalance pathway that could signal the lack of or resolution of an apical inflammatory signal, however, has yet to be described. We now report a system with such hallmarks. Specifically, we identify endocannabinoids as the first known endogenous substrates of the apically restricted multidrug resistance transporter P-glycoprotein (P-gp) and reveal a mechanism, which we believe is novel, for endocannabinoid secretion into the intestinal lumen. Knockdown or inhibition of P-gp reduced luminal secretion levels of N-acyl ethanolamine-type endocannabinoids, which correlated with increased neutrophil transmigration in vitro and in vivo. Additionally, loss of CB2, the peripheral cannabinoid receptor, led to increased pathology and neutrophil influx in models of acute intestinal inflammation. These results define a key role for epithelial cells in balancing the constitutive secretion of antiinflammatory lipids with the stimulated secretion of proinflammatory lipids via surface efflux pumps in order to control neutrophil infiltration into the intestinal lumen and maintain homeostasis in the healthy intestine.
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Affiliation(s)
- Rose L Szabady
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Christopher Louissaint
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Anneke Lubben
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom
| | - Bailu Xie
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom
| | - Shaun Reeksting
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom
| | - Christine Tuohy
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Zachary Demma
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Sage E Foley
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Christina S Faherty
- Mucosal Immunology and Biology Research Center, Division of Pediatric Gastroenterology and Nutrition, Massachusetts General Hospital and Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Alejandro Llanos-Chea
- Mucosal Immunology and Biology Research Center, Division of Pediatric Gastroenterology and Nutrition, Massachusetts General Hospital and Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Andrew J Olive
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Randall J Mrsny
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom
| | - Beth A McCormick
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts, USA
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Bryant LM, Daniels KE, Cognetti DM, Tassone P, Luginbuhl AJ, Curry JM. Therapeutic Cannabis and Endocannabinoid Signaling System Modulator Use in Otolaryngology Patients. Laryngoscope Investig Otolaryngol 2018; 3:169-177. [PMID: 30062131 PMCID: PMC6057224 DOI: 10.1002/lio2.154] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 01/29/2018] [Accepted: 03/01/2018] [Indexed: 12/13/2022] Open
Abstract
Objectives 1) review benefits and risks of cannabis use, with emphasis on otolaryngic disease processes; 2) define and review the endocannabinoid signaling system (ESS); and 3) review state and federal regulations for the use and research of cannabis and ESS modulators. Methods This manuscript is a review of the current literature relevant to the stated objectives. Results Cannabis (marijuana) use is increasing. It is the most widely used illicit substance in the world. There is increasing interest in its therapeutic potential due to changing perceptions, new research, and legislation changes controlling its use. The legal classification of cannabis is complicated due to varied and conflicting state and federal laws. There are currently two synthetic cannabinoid drugs that are FDA approved. Current indications for use include chemotherapy‐related nausea and vomiting, cachexia, and appetite loss. Research has demonstrated potential benefit for use in many other pathologies including pain, inflammatory states, and malignancy. Data exists demonstrating potential antineoplastic benefit in oral, thyroid, and skin cancers. Conclusions ESS modulators may play both a causal and therapeutic role in several disorders seen in otolaryngology patients. The use of cannabis and cannabinoids is not without risk. There is a need for further research to better understand both the adverse and therapeutic effects of cannabis use. With increasing rates of consumption, elevated public awareness, and rapidly changing legislation, it is helpful for the otolaryngologist to be aware of both the adverse manifestations of use and the potential therapeutic benefits when talking with patients.
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Affiliation(s)
- Lucas M Bryant
- Thomas Jefferson Hospital-Otolaryngology Head & Neck Surgery Philadelphia Pennsylvania U.S.A
| | - Kelly E Daniels
- Thomas Jefferson Hospital-Otolaryngology Head & Neck Surgery Philadelphia Pennsylvania U.S.A
| | - David M Cognetti
- Thomas Jefferson Hospital-Otolaryngology Head & Neck Surgery Philadelphia Pennsylvania U.S.A
| | - Patrick Tassone
- Thomas Jefferson Hospital-Otolaryngology Head & Neck Surgery Philadelphia Pennsylvania U.S.A
| | - Adam J Luginbuhl
- Thomas Jefferson Hospital-Otolaryngology Head & Neck Surgery Philadelphia Pennsylvania U.S.A
| | - Joseph M Curry
- Thomas Jefferson Hospital-Otolaryngology Head & Neck Surgery Philadelphia Pennsylvania U.S.A
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Paloczi J, Varga ZV, Hasko G, Pacher P. Neuroprotection in Oxidative Stress-Related Neurodegenerative Diseases: Role of Endocannabinoid System Modulation. Antioxid Redox Signal 2018; 29:75-108. [PMID: 28497982 PMCID: PMC5984569 DOI: 10.1089/ars.2017.7144] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Redox imbalance may lead to overproduction of reactive oxygen and nitrogen species (ROS/RNS) and subsequent oxidative tissue damage, which is a critical event in the course of neurodegenerative diseases. It is still not fully elucidated, however, whether oxidative stress is the primary trigger or a consequence in the process of neurodegeneration. Recent Advances: Increasing evidence suggests that oxidative stress is involved in the propagation of neuronal injury and consequent inflammatory response, which in concert promote development of pathological alterations characteristic of most common neurodegenerative diseases. CRITICAL ISSUES Accumulating recent evidence also suggests that there is an important interplay between the lipid endocannabinoid system [ECS; comprising the main cannabinoid 1 and 2 receptors (CB1 and CB2), endocannabinoids, and their synthetic and metabolizing enzymes] and various key inflammatory and redox-dependent processes. FUTURE DIRECTIONS Targeting the ECS to modulate redox state-dependent cell death and to decrease consequent or preceding inflammatory response holds therapeutic potential in a multitude of oxidative stress-related acute or chronic neurodegenerative disorders from stroke and traumatic brain injury to Alzheimer's and Parkinson's diseases and multiple sclerosis, just to name a few, which will be discussed in this overview. Antioxid. Redox Signal. 29, 75-108.
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Affiliation(s)
- Janos Paloczi
- 1 Laboratory of Cardiovascular Physiology and Tissue Injury (LCPTI), National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institutes of Health (NIH) , Bethesda, Maryland
| | - Zoltan V Varga
- 1 Laboratory of Cardiovascular Physiology and Tissue Injury (LCPTI), National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institutes of Health (NIH) , Bethesda, Maryland
| | - George Hasko
- 2 Department of Surgery, Rutgers New Jersey Medical School , Newark, New Jersey
| | - Pal Pacher
- 1 Laboratory of Cardiovascular Physiology and Tissue Injury (LCPTI), National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institutes of Health (NIH) , Bethesda, Maryland
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Endocannabinoids in Body Weight Control. Pharmaceuticals (Basel) 2018; 11:ph11020055. [PMID: 29849009 PMCID: PMC6027162 DOI: 10.3390/ph11020055] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 05/17/2018] [Accepted: 05/28/2018] [Indexed: 12/15/2022] Open
Abstract
Maintenance of body weight is fundamental to maintain one's health and to promote longevity. Nevertheless, it appears that the global obesity epidemic is still constantly increasing. Endocannabinoids (eCBs) are lipid messengers that are involved in overall body weight control by interfering with manifold central and peripheral regulatory circuits that orchestrate energy homeostasis. Initially, blocking of eCB signaling by first generation cannabinoid type 1 receptor (CB1) inverse agonists such as rimonabant revealed body weight-reducing effects in laboratory animals and men. Unfortunately, rimonabant also induced severe psychiatric side effects. At this point, it became clear that future cannabinoid research has to decipher more precisely the underlying central and peripheral mechanisms behind eCB-driven control of feeding behavior and whole body energy metabolism. Here, we will summarize the most recent advances in understanding how central eCBs interfere with circuits in the brain that control food intake and energy expenditure. Next, we will focus on how peripheral eCBs affect food digestion, nutrient transformation and energy expenditure by interfering with signaling cascades in the gastrointestinal tract, liver, pancreas, fat depots and endocrine glands. To finally outline the safe future potential of cannabinoids as medicines, our overall goal is to address the molecular, cellular and pharmacological logic behind central and peripheral eCB-mediated body weight control, and to figure out how these precise mechanistic insights are currently transferred into the development of next generation cannabinoid medicines displaying clearly improved safety profiles, such as significantly reduced side effects.
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Reynoso-Moreno I, Chicca A, Flores-Soto ME, Viveros-Paredes JM, Gertsch J. The Endocannabinoid Reuptake Inhibitor WOBE437 Is Orally Bioavailable and Exerts Indirect Polypharmacological Effects via Different Endocannabinoid Receptors. Front Mol Neurosci 2018; 11:180. [PMID: 29910713 PMCID: PMC5992379 DOI: 10.3389/fnmol.2018.00180] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 05/09/2018] [Indexed: 12/22/2022] Open
Abstract
Different anandamide (AEA) transport inhibitors show antinociceptive and antiinflammatory effects in vivo, but due to their concomitant inhibition of fatty acid amide hydrolase (FAAH) and overall poor bioavailability, they cannot be used unequivocally to study the particular role of endocannabinoid (EC) transport in pathophysiological conditions in vivo. Here, the potent and selective endocannabinoid reuptake inhibitor WOBE437, which inhibits AEA and 2-arachidonoylglycerol (2-AG) transport, was tested for its oral bioavailability to the brain. WOBE437 is assumed to locally increase EC levels in tissues in which facilitated EC reuptake intermediates subsequent hydrolysis. Given the marked polypharmacology of ECs, we hypothesized to see differential effects on distinct EC receptors in animal models of acute and chronic pain/inflammation. In C57BL6/J male mice, WOBE437 was orally bioavailable with an estimated tmax value of ≤20 min in plasma (Cmax ∼ 2000 pmol/mL after 50 mg/kg, p.o.) and brain (Cmax ∼ 500 pmol/g after 50 mg/kg, p.o.). WOBE437 was cleared from the brain after approximately 180 min. In addition, in BALB/c male mice, acute oral administration of WOBE437 (50 mg/kg) exhibited similar brain concentrations after 60 min and inhibited analgesia in the hot plate test in a cannabinoid CB1 receptor-dependent manner, without inducing catalepsy or affecting locomotion. WOBE437 significantly elevated AEA in the somatosensory cortex, while showing dose-dependent biphasic effects on 2-AG levels in plasma but no significant changes in N-acylethanolamines other than AEA in any of the tissues. In order to explore the presumed polypharmacology mediated via elevated EC levels, we tested this EC reuptake inhibitor in complete Freud's adjuvant induced monoarthritis in BALB/c mice as a model of chronic inflammation. Repetitive doses of WOBE437 (10 mg/kg, i.p.) attenuated allodynia and edema via cannabinoid CB2, CB1, and PPARγ receptors. The allodynia inhibition of WOBE437 treatment for 3 days was fully reversed by antagonists of any of the receptors. In the single dose treatment the CB2 and TRPV1 antagonists significantly blocked the effect of WOBE437. Overall, our results show the broad utility of WOBE437 for animal experimentation for both p.o. and i.p. administrations. Furthermore, the data indicate the possible involvement of EC reuptake/transport in pathophysiological processes related to pain and inflammation.
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Affiliation(s)
- Inés Reynoso-Moreno
- Institute of Biochemistry and Molecular Medicine, National Centre of Competence in Research TransCure, University of Bern, Bern, Switzerland.,Laboratorio de Investigación y Desarrollo Farmacéutico, Departamento de Farmacología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Mexico
| | - Andrea Chicca
- Institute of Biochemistry and Molecular Medicine, National Centre of Competence in Research TransCure, University of Bern, Bern, Switzerland
| | - Mario E Flores-Soto
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Segura Social, Guadalajara, Mexico
| | - Juan M Viveros-Paredes
- Laboratorio de Investigación y Desarrollo Farmacéutico, Departamento de Farmacología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Mexico
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, National Centre of Competence in Research TransCure, University of Bern, Bern, Switzerland
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Chicca A, Arena C, Bertini S, Gado F, Ciaglia E, Abate M, Digiacomo M, Lapillo M, Poli G, Bifulco M, Macchia M, Tuccinardi T, Gertsch J, Manera C. Polypharmacological profile of 1,2-dihydro-2-oxo-pyridine-3-carboxamides in the endocannabinoid system. Eur J Med Chem 2018; 154:155-171. [PMID: 29793210 DOI: 10.1016/j.ejmech.2018.05.019] [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] [Received: 01/19/2018] [Revised: 05/11/2018] [Accepted: 05/12/2018] [Indexed: 02/07/2023]
Abstract
The endocannabinoid system (ECS) represents one of the major neuromodulatory systems involved in different physiological and pathological processes. Multi-target compounds exert their activities by acting via multiple mechanisms of action and represent a promising pharmacological modulation of the ECS. In this work we report 4-substituted and 4,5-disubstituted 1,2-dihydro-2-oxo-pyridine-3-carboxamide derivatives with a broad spectrum of affinity and functional activity towards both cannabinoid receptors and additional effects on the main components of the ECS. In particular compound B3 showed high affinity for CB1R (Ki = 23.1 nM, partial agonist) and CB2R (Ki = 6.9 nM, inverse agonist) and also significant inhibitory activity (IC50 = 70 nM) on FAAH with moderate inhibition of ABHD12 (IC50 = 2.5 μΜ). Compounds B4, B5 and B6 that act as full agonists at CB1R and as partial agonists (B5 and B6) or antagonist (B4) at CB2R, exhibited an additional multi-target property by inhibiting anandamide uptake with sub-micromolar IC50 values (0.28-0.62 μΜ). The best derivatives showed cytotoxic activity on U937 lymphoblastoid cells. Finally, molecular docking analysis carried out on the three-dimensional structures of CB1R and CB2R and of FAAH allowed to rationalize the structure-activity relationships of this series of compounds.
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Affiliation(s)
- Andrea Chicca
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bühlstrasse 28, CH-3012, Bern, Switzerland
| | - Chiara Arena
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | - Simone Bertini
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | - Francesca Gado
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | - Elena Ciaglia
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, 84081, Baronissi, Salerno, Italy
| | - Mario Abate
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, 84081, Baronissi, Salerno, Italy
| | - Maria Digiacomo
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | | | - Giulio Poli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, via Aldo Moro 2, 53019, Siena, Italy
| | - Maurizio Bifulco
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131, Naples, Italy
| | - Marco Macchia
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | - Tiziano Tuccinardi
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy; Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bühlstrasse 28, CH-3012, Bern, Switzerland
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Baggelaar MP, Maccarrone M, van der Stelt M. 2-Arachidonoylglycerol: A signaling lipid with manifold actions in the brain. Prog Lipid Res 2018; 71:1-17. [PMID: 29751000 DOI: 10.1016/j.plipres.2018.05.002] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 05/03/2018] [Accepted: 05/06/2018] [Indexed: 11/19/2022]
Abstract
2-Arachidonoylglycerol (2-AG) is a signaling lipid in the central nervous system that is a key regulator of neurotransmitter release. 2-AG is an endocannabinoid that activates the cannabinoid CB1 receptor. It is involved in a wide array of (patho)physiological functions, such as emotion, cognition, energy balance, pain sensation and neuroinflammation. In this review, we describe the biosynthetic and metabolic pathways of 2-AG and how chemical and genetic perturbation of these pathways has led to insight in the biological role of this signaling lipid. Finally, we discuss the potential therapeutic benefits of modulating 2-AG levels in the brain.
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Affiliation(s)
- Marc P Baggelaar
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Mauro Maccarrone
- Department of Medicine, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 21, 00128 Rome, Italy; European Centre for Brain Research/IRCCS Santa Lucia Foundation, via del Fosso del Fiorano 65, 00143 Rome, Italy
| | - Mario van der Stelt
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands..
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