1
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Maya-López M, Monsalvo-Maraver LA, Delgado-Arzate AL, Olivera-Pérez CI, El-Hafidi M, Silva-Palacios A, Medina-Campos O, Pedraza-Chaverri J, Aschner M, Tinkov AA, Túnez I, Retana-Márquez S, Zazueta C, Santamaría A. Anandamide and WIN 55212-2 Afford Protection in Rat Brain Mitochondria in a Toxic Model Induced by 3-Nitropropionic Acid: an In Vitro Study. Mol Neurobiol 2024; 61:6435-6452. [PMID: 38307967 PMCID: PMC11338978 DOI: 10.1007/s12035-024-03967-2] [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: 07/13/2023] [Accepted: 01/16/2024] [Indexed: 02/04/2024]
Abstract
Mitochondrial dysfunction plays a key role in the development of neurodegenerative disorders. In contrast, the regulation of the endocannabinoid system has been shown to promote neuroprotection in different neurotoxic paradigms. The existence of an active form of the cannabinoid receptor 1 (CB1R) in mitochondrial membranes (mitCB1R), which might exert its effects through the same signaling mechanisms as the cell membrane CB1R, has been shown to regulate mitochondrial activity. Although there is evidence suggesting that some cannabinoids may induce protective effects on isolated mitochondria, substantial evidence on the role of cannabinoids in mitochondria remains to be explored. In this work, we developed a toxic model of mitochondrial dysfunction induced by exposure of brain mitochondria to the succinate dehydrogenase inhibitor 3-nitropropionic acid (3-NP). Mitochondria were also pre-incubated with the endogenous agonist anandamide (AEA) and the synthetic CB1R agonist WIN 55212-2 to evaluate their protective effects. Mitochondrial reduction capacity, reactive oxygen species (ROS) formation, and mitochondrial swelling were assessed as toxic markers. While 3-NP decreased the mitochondrial reduction capacity and augmented mitochondrial ROS formation and swelling, both AEA and WIN 55212-2 ameliorated these toxic effects. To explore the possible involvement of mitCB1R activation on the protective effects of AEA and WIN 55212-2, mitochondria were also pre-incubated in the presence of the selective CB1R antagonist AM281, which completely reverted the protective effects of the cannabinoids to levels similar to those evoked by 3-NP. These results show partial protective effects of cannabinoids, suggesting that mitCB1R activation may be involved in the recovery of compromised mitochondrial activity, related to reduction of ROS formation and further prevention of mitochondrial swelling.
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Affiliation(s)
- Marisol Maya-López
- Doctorado en Ciencias Biológicas y de La Salud, Universidad Autónoma Metropolitana, 09310, Mexico City, Mexico.
- Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico.
| | | | | | | | - Mohammed El-Hafidi
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología, SSA, 14080, Mexico City, Mexico
| | - Alejandro Silva-Palacios
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología, SSA, 14080, Mexico City, Mexico
| | - Omar Medina-Campos
- Laboratorio F-315, Departamento de Biología, Facultad de Química, Universidad Autónoma de México, 04510, Mexico City, Mexico
| | - José Pedraza-Chaverri
- Laboratorio F-315, Departamento de Biología, Facultad de Química, Universidad Autónoma de México, 04510, Mexico City, Mexico
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Alexey A Tinkov
- Laboratory of Molecular Dietetics, IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119435, Russia
- Department of Human Ecology and Bioelementology, and Department of Medical Elementology, Peoples' Friendship University of Russia (RUDN University), Moscow, 117198, Russia
| | - Isaac Túnez
- Instituto de Investigaciones Biomedicas Maimónides de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina y Enfermería, Universidad de Córdoba, Córdoba, Spain
- Red Española de Excelencia en Estimulación Cerebral (REDESTIM), 14071, Córdoba, Spain
| | - Socorro Retana-Márquez
- Departamento de Biología de La Reproducción, Universidad Autónoma Metropolitana-Iztapalapa, 09310, Mexico City, Mexico
| | - Cecilia Zazueta
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología, SSA, 14080, Mexico City, Mexico.
| | - Abel Santamaría
- Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico.
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2
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Gómez-Sotres P, Skupio U, Dalla Tor T, Julio-Kalajzic F, Cannich A, Gisquet D, Bonilla-Del Rio I, Drago F, Puente N, Grandes P, Bellocchio L, Busquets-Garcia A, Bains JS, Marsicano G. Olfactory bulb astrocytes link social transmission of stress to cognitive adaptation in male mice. Nat Commun 2024; 15:7103. [PMID: 39155299 PMCID: PMC11330966 DOI: 10.1038/s41467-024-51416-4] [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: 01/14/2024] [Accepted: 08/06/2024] [Indexed: 08/20/2024] Open
Abstract
Emotions and behavior can be affected by social chemosignals from conspecifics. For instance, olfactory signals from stressed individuals induce stress-like physiological and synaptic changes in naïve partners. Direct stress also alters cognition, but the impact of socially transmitted stress on memory processes is currently unknown. Here we show that exposure to chemosignals produced by stressed individuals is sufficient to impair memory retrieval in unstressed male mice. This requires astrocyte control of information in the olfactory bulb mediated by mitochondria-associated CB1 receptors (mtCB1). Targeted genetic manipulations, in vivo Ca2+ imaging and behavioral analyses reveal that mtCB1-dependent control of mitochondrial Ca2+ dynamics is necessary to process olfactory information from stressed partners and to define their cognitive consequences. Thus, olfactory bulb astrocytes provide a link between social odors and their behavioral meaning.
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Affiliation(s)
- Paula Gómez-Sotres
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France
| | - Urszula Skupio
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France
| | - Tommaso Dalla Tor
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France
- Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
| | | | - Astrid Cannich
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France
| | - Doriane Gisquet
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France
| | - Itziar Bonilla-Del Rio
- Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, Leioa, Spain
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, 95124, Italy
| | - Nagore Puente
- Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, Leioa, Spain
| | - Pedro Grandes
- Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, Leioa, Spain
| | - Luigi Bellocchio
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France
| | | | - Jaideep S Bains
- Krembil Brain Institute, University Health Network, Toronto, ON, Canada.
- Hotchkiss Brain Institute and Department of Physiology & Pharmacology, University of Calgary, Calgary, Canada.
| | - Giovanni Marsicano
- Universite de Bordeaux, INSERM, U1215 Neurocentre Magendie, Bordeaux, France.
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3
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Alzu'bi A, Abu-El-Rub E, Al-Trad B, Alzoubi H, Abu-El-Rub H, Albals D, Abdelhady GT, Bader NS, Almazari R, Al-Zoubi RM. In vivo assessment of the nephrotoxic effects of the synthetic cannabinoid AB-FUBINACA. Forensic Toxicol 2024:10.1007/s11419-024-00699-9. [PMID: 39120650 DOI: 10.1007/s11419-024-00699-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Accepted: 07/28/2024] [Indexed: 08/10/2024]
Abstract
BACKGROUND The widespread misuse of synthetic cannabinoids (SCs) has led to a notable increase in reported adverse effects, raising significant health concerns. SCs use has been particularly associated with acute kidney injury (AKI). However, the pathogenesis of SCs-induced AKI is not well-understood. METHODS We investigated the nephrotoxic effect of acute administration of N-[(1S)- 1-(aminocarbonyl)-2-methylpropyl]-1-[(4-fluorophenyl)methyl]-1H-indazole-3-carboxamide (AB-FUBINKA) (3 mg/kg for 5 days) in mice. Various parameters of oxidative stress, inflammation, and apoptosis have been quantified. The expressions of mitochondrial complexes (I-V) in renal tissues were also assessed. RESULTS Our findings showed that AB-FUBINACA induced substantial impairment in the renal function that is accompanied by elevated expression of renal tubular damage markers; KIM-1 and NGAL. Administration of AB-FUBINACA was found to be associated with a significant increase in the expression of oxidative stress markers (iNOS, NOX4, NOX2, NOS3) and the level of lipid peroxidation in the kidney. The expression of pro-inflammatory markers (IL-6, TNF-alpha, NF-kB) was also enhanced following exposure to AB-FUBINACA. These findings were also correlated with increased expression of major apoptosis regulatory markers (Bax, caspase-9, caspase-3) and reduced expression of mitochondrial complexes I, III, and IV. CONCLUSION These results indicate that AB-FUBINACA can trigger oxidative stress and inflammation, and activate caspase-dependent apoptosis in the kidney, with these processes being possibly linked to disruption of mitochondrial complexes and could be an underlying mechanism of SCs-induced nephrotoxicity.
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Affiliation(s)
- Ayman Alzu'bi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan.
| | - Ejlal Abu-El-Rub
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Bahaa Al-Trad
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, 211-63, Jordan
| | - Hiba Alzoubi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Hadeel Abu-El-Rub
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Dima Albals
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Yarmouk University, Irbid, 211-63, Jordan
| | - Gamal T Abdelhady
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, 11566, Egypt
| | - Noor S Bader
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Rawan Almazari
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Raed M Al-Zoubi
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, 3050, Doha, Qatar.
- Department of Biomedical Sciences, QU-Health, College of Health Sciences, Qatar University, 2713, Doha, Qatar.
- Department of Chemistry, Jordan University of Science and Technology, P.O.Box 3030, Irbid, 22110, Jordan.
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4
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Fernández-Moncada I, Lavanco G, Fundazuri UB, Bollmohr N, Mountadem S, Dalla Tor T, Hachaguer P, Julio-Kalajzic F, Gisquet D, Serrat R, Bellocchio L, Cannich A, Fortunato-Marsol B, Nasu Y, Campbell RE, Drago F, Cannizzaro C, Ferreira G, Bouzier-Sore AK, Pellerin L, Bolaños JP, Bonvento G, Barros LF, Oliet SHR, Panatier A, Marsicano G. A lactate-dependent shift of glycolysis mediates synaptic and cognitive processes in male mice. Nat Commun 2024; 15:6842. [PMID: 39122700 PMCID: PMC11316019 DOI: 10.1038/s41467-024-51008-2] [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: 04/13/2024] [Accepted: 07/16/2024] [Indexed: 08/12/2024] Open
Abstract
Astrocytes control brain activity via both metabolic processes and gliotransmission, but the physiological links between these functions are scantly known. Here we show that endogenous activation of astrocyte type-1 cannabinoid (CB1) receptors determines a shift of glycolysis towards the lactate-dependent production of D-serine, thereby gating synaptic and cognitive functions in male mice. Mutant mice lacking the CB1 receptor gene in astrocytes (GFAP-CB1-KO) are impaired in novel object recognition (NOR) memory. This phenotype is rescued by the gliotransmitter D-serine, by its precursor L-serine, and also by lactate and 3,5-DHBA, an agonist of the lactate receptor HCAR1. Such lactate-dependent effect is abolished when the astrocyte-specific phosphorylated-pathway (PP), which diverts glycolysis towards L-serine synthesis, is blocked. Consistently, lactate and 3,5-DHBA promoted the co-agonist binding site occupancy of CA1 post-synaptic NMDA receptors in hippocampal slices in a PP-dependent manner. Thus, a tight cross-talk between astrocytic energy metabolism and gliotransmission determines synaptic and cognitive processes.
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Affiliation(s)
| | - Gianluca Lavanco
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, Italy
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, ''G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Unai B Fundazuri
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Nasrin Bollmohr
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Sarah Mountadem
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Tommaso Dalla Tor
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, Italy
| | - Pauline Hachaguer
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | | | - Doriane Gisquet
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Roman Serrat
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Luigi Bellocchio
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Astrid Cannich
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | | | - Yusuke Nasu
- Department of Chemistry, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
- PRESTO, Japan Science and Technology Agency, Chiyoda-ku, Tokyo, Japan
| | - Robert E Campbell
- Department of Chemistry, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
- CERVO Brain Research Center and Department of Biochemistry, Microbiology, and Bioinformatics, Université Laval, Québec City, QC, Canada
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, Italy
| | - Carla Cannizzaro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Guillaume Ferreira
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Anne-Karine Bouzier-Sore
- Univ. Bordeaux, CNRS, Centre de Résonance Magnétique des Systèmes Biologiques, UMR 5536, F-33000, Bordeaux, France
| | - Luc Pellerin
- Université de Poitiers et CHU de Poitiers, INSERM, IRMETIST, U1313, Poitiers, France
| | - Juan P Bolaños
- Institute of Functional Biology and Genomics (IBFG), Universidad de Salamanca, CSIC, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Hospital Universitario de Salamanca, Salamanca, Spain
- Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - Gilles Bonvento
- Universite Paris-Saclay, CEA, CNRS, MIRCen, Laboratoire des Maladies Neurodegeneratives, Fontenay-aux-Roses, France
| | - L Felipe Barros
- Centro de Estudios Cientificos, Valdivia, Chile
- Facultad de Medicina y Ciencia, Universidad San Sebastián, Valdivia, Chile
| | - Stephane H R Oliet
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Aude Panatier
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France
| | - Giovanni Marsicano
- Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France.
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5
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Sayehmiri F, Motamedi F, Batool Z, Naderi N, Shaerzadeh F, Zoghi A, Rezaei O, Khodagholi F, Pourbadie HG. Mitochondrial plasticity and synaptic plasticity crosstalk; in health and Alzheimer's disease. CNS Neurosci Ther 2024; 30:e14897. [PMID: 39097920 PMCID: PMC11298206 DOI: 10.1111/cns.14897] [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: 01/05/2024] [Revised: 06/19/2024] [Accepted: 07/18/2024] [Indexed: 08/06/2024] Open
Abstract
Synaptic plasticity is believed to underlie the cellular and molecular basis of memory formation. Mitochondria are one of the main organelles involved in metabolism and energy maintenance as plastic organelles that change morphologically and functionally in response to cellular needs and regulate synaptic function and plasticity through multiple mechanisms, including ATP generation, calcium homeostasis, and biogenesis. An increased neuronal activity enhances synaptic efficiency, during which mitochondria's spatial distribution and morphology change significantly. These organelles build up in the pre-and postsynaptic zones to produce ATP, which is necessary for several synaptic processes like neurotransmitter release and recycling. Mitochondria also regulate calcium homeostasis by buffering intracellular calcium, which ensures proper synaptic activity. Furthermore, mitochondria in the presynaptic terminal have distinct morphological properties compared to dendritic or postsynaptic mitochondria. This specialization enables precise control of synaptic activity and plasticity. Mitochondrial dysfunction has been linked to synaptic failure in many neurodegenerative disorders, like Alzheimer's disease (AD). In AD, malfunctioning mitochondria cause delays in synaptic vesicle release and recycling, ionic gradient imbalances, and mostly synaptic failure. This review emphasizes mitochondrial plasticity's contribution to synaptic function. It also explores the profound effect of mitochondrial malfunction on neurodegenerative disorders, focusing on AD, and provides an overview of how they sustain cellular health under normal conditions and how their malfunction contributes to neurodegenerative diseases, highlighting their potential as a therapeutic target for such conditions.
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Affiliation(s)
- Fatemeh Sayehmiri
- Neuroscience Research Center, Faculty of MedicineShahid Beheshti University of Medical SciencesTehranIran
| | - Fereshteh Motamedi
- Neuroscience Research Center, Faculty of MedicineShahid Beheshti University of Medical SciencesTehranIran
- Faculty of MedicineShahid Beheshti University of Medical SciencesTehranIran
| | - Zehra Batool
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological SciencesUniversity of KarachiKarachiPakistan
| | - Nima Naderi
- Department of Pharmacology and Toxicology, Faculty of PharmacyShahid Beheshti University of Medical SciencesTehranIran
| | | | - Anahita Zoghi
- Department of Neurology, Loghman Hakim HospitalShahid Beheshti University of Medical SciencesTehranIran
| | - Omidvar Rezaei
- Skull Base Research CenterLoghman Hakim Hospital, Shahid Beheshti University of Medical SciencesTehranIran
| | - Fariba Khodagholi
- Neuroscience Research Center, Faculty of MedicineShahid Beheshti University of Medical SciencesTehranIran
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6
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Mach L, Omran A, Bouma J, Radetzki S, Sykes DA, Guba W, Li X, Höffelmeyer C, Hentsch A, Gazzi T, Mostinski Y, Wasinska-Kalwa M, de Molnier F, van der Horst C, von Kries JP, Vendrell M, Hua T, Veprintsev DB, Heitman LH, Grether U, Nazare M. Highly Selective Drug-Derived Fluorescent Probes for the Cannabinoid Receptor Type 1 (CB 1R). J Med Chem 2024; 67:11841-11867. [PMID: 38990855 DOI: 10.1021/acs.jmedchem.4c00465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
The cannabinoid receptor type 1 (CB1R) is pivotal within the endocannabinoid system regulating various signaling cascades with effects in appetite regulation, pain perception, memory formation, and thermoregulation. Still, understanding of CB1R's cellular signaling, distribution, and expression dynamics is very fragmentary. Real-time visualization of CB1R is crucial for addressing these questions. Selective drug-like CB1R ligands with a defined pharmacological profile were investigated for the construction of CB1R fluorescent probes using a reverse design-approach. A modular design concept with a diethyl glycine-based building block as the centerpiece allowed for the straightforward synthesis of novel probe candidates. Validated by computational docking studies, radioligand binding, and cAMP assay, this systematic approach allowed for the identification of novel pyrrole-based CB1R fluorescent probes. Application in fluorescence-based target-engagement studies and live cell imaging exemplify the great versatility of the tailored CB1R probes for investigating CB1R localization, trafficking, pharmacology, and its pathological implications.
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Affiliation(s)
- Leonard Mach
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - Anahid Omran
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - Jara Bouma
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University and Oncode Institute, 2333 CC Leiden, The Netherlands
| | - Silke Radetzki
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - David A Sykes
- Division of Physiology, Pharmacology & Neuroscience, School of Life Sciences, University of Nottingham, NG7 2UH Nottingham, U.K
- Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Edgbaston, B15 2TT Birmingham, Midlands, U.K
| | - Wolfgang Guba
- Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland
| | - Xiaoting Li
- iHuman Institute, ShanghaiTech University, 201210 Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, 201210 Shanghai, China
| | - Calvin Höffelmeyer
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - Axel Hentsch
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - Thais Gazzi
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - Yelena Mostinski
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | | | - Fabio de Molnier
- IRR Chemistry Hub and Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, EH16 4UU Edinburgh, U.K
| | - Cas van der Horst
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University and Oncode Institute, 2333 CC Leiden, The Netherlands
| | - Jens Peter von Kries
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
| | - Marc Vendrell
- IRR Chemistry Hub and Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, EH16 4UU Edinburgh, U.K
| | - Tian Hua
- iHuman Institute, ShanghaiTech University, 201210 Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, 201210 Shanghai, China
| | - Dmitry B Veprintsev
- Division of Physiology, Pharmacology & Neuroscience, School of Life Sciences, University of Nottingham, NG7 2UH Nottingham, U.K
- Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Edgbaston, B15 2TT Birmingham, Midlands, U.K
| | - Laura H Heitman
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University and Oncode Institute, 2333 CC Leiden, The Netherlands
| | - Uwe Grether
- Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland
| | - Marc Nazare
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany
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7
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Wu X, Wu Y, Tang F, Wang Y, Li C, Wu S, Wang G, Zhang J. Foxq1 activates CB2R with oleamide to alleviate POCD. Brain Pathol 2024:e13289. [PMID: 39046224 DOI: 10.1111/bpa.13289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 07/05/2024] [Indexed: 07/25/2024] Open
Abstract
Postoperative cognitive dysfunction (POCD) is a major concern, particularly among older adults. This study used social isolation (ISO) and multiomics analyses in aged mice to investigate potential mechanisms underlying POCD development. Aged mice were divided into two groups: ISO and paired housing (PH). Oleamide and the cannabinoid receptor type 2 (CB2R) antagonist AM630 were administered intraperitoneally, while Foxq1 adeno-associated viral (AAV) vector was injected directly into the hippocampus. Intramedullary tibial surgeries were subsequently performed to establish the POCD models. Behavioral tests comprising the Y-maze, open field test, and novel object recognition were conducted 2 days after surgery. Hippocampal and serum inflammatory cytokines were assessed. Following surgery, ISO mice demonstrated intensified cognitive impairments and escalated inflammatory markers. Integrative transcriptomic and metabolomic analysis revealed elevated oleamide concentrations in the hippocampus and serum of PH mice, with associative investigations indicating a close relationship between the Foxq1 gene and oleamide levels. While oleamide administration and Foxq1 gene overexpression substantially ameliorated postoperative cognitive performance and systemic inflammation in mice, CB2R antagonist AM630 impeded these enhancements. The Foxq1 gene and oleamide may be crucial in alleviating POCD. While potentially acting through CB2R-mediated pathways, these factors may modulate neuroinflammation and attenuate proinflammatory cytokine levels within the hippocampus, substantially improving cognitive performance postsurgery. This study lays the groundwork for future research into therapeutic approaches targeting the Foxq1-oleamide-CB2R axis, with the ultimate goal of preventing or mitigating POCD.
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Affiliation(s)
- Xiaoying Wu
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Yuming Wu
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fudong Tang
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Yangyang Wang
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Chenxi Li
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Su Wu
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Guangzhi Wang
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Jiaqiang Zhang
- Department of Anesthesiology and Perioperative Medicine, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Zhengzhou, Henan, China
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8
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Hu X, Hoffmann DS, Wang M, Schuhmacher L, Stroe MC, Schreckenberger B, Elstner M, Fischer R. GprC of the nematode-trapping fungus Arthrobotrys flagrans activates mitochondria and reprograms fungal cells for nematode hunting. Nat Microbiol 2024; 9:1752-1763. [PMID: 38877225 PMCID: PMC11222155 DOI: 10.1038/s41564-024-01731-9] [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: 07/27/2023] [Accepted: 05/14/2024] [Indexed: 06/16/2024]
Abstract
Initiation of development requires differential gene expression and metabolic adaptations. Here we show in the nematode-trapping fungus, Arthrobotrys flagrans, that both are achieved through a dual-function G-protein-coupled receptor (GPCR). A. flagrans develops adhesive traps and recognizes its prey, Caenorhabditis elegans, through nematode-specific pheromones (ascarosides). Gene-expression analyses revealed that ascarosides activate the fungal GPCR, GprC, at the plasma membrane and together with the G-protein alpha subunit GasA, reprograms the cell. However, GprC and GasA also reside in mitochondria and boost respiration. This dual localization of GprC in A. flagrans resembles the localization of the cannabinoid receptor CB1 in humans. The C. elegans ascaroside-sensing GPCR, SRBC66 and GPCRs of many fungi are also predicted for dual localization, suggesting broad evolutionary conservation. An SRBC64/66-GprC chimaeric protein was functional in A. flagrans, and C. elegans SRBC64/66 and DAF38 share ascaroside-binding sites with the fungal GprC receptor, suggesting 400-million-year convergent evolution.
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Affiliation(s)
- Xiaodi Hu
- Department of Microbiology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - David S Hoffmann
- Department of Theoretical Chemical Biology, Institute for Physical Chemistry, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - Mai Wang
- Department of Microbiology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - Lars Schuhmacher
- Department of Microbiology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - Maria C Stroe
- Department of Microbiology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - Birgit Schreckenberger
- Department of Microbiology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - Marcus Elstner
- Department of Theoretical Chemical Biology, Institute for Physical Chemistry, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany
| | - Reinhard Fischer
- Department of Microbiology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT) - South Campus, Karlsruhe, Germany.
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9
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Cooper ME, Nørregaard PK, Högberg T, Andersson G, Receveur JM, Linget JM, Elling CE. Efficacy in diet-induced obese mice of the hepatotropic, peripheral cannabinoid 1 receptor inverse agonist TM38837. Br J Pharmacol 2024. [PMID: 38886096 DOI: 10.1111/bph.16401] [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: 08/15/2023] [Revised: 02/26/2024] [Accepted: 03/19/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND AND PURPOSE The cannabinoid CB1 receptor has a well-established role in appetite regulation. Drugs antagonizing central CB1 receptors, most notably rimonabant, induced weight loss and improved the metabolic profile in obese individuals but were discontinued due to psychiatric side effects. However, metabolic benefits were only partially attributable to weight loss, implying a role for peripheral receptors, and peripherally restricted CB1 receptor antagonists have since been of interest. Herein, we describe the evaluation of the peripherally restricted potent CB1 receptor inverse agonists TM38837 and TM39875, with acidic functionality, which were administered daily to diet-induced obese (DIO) mice for 5 weeks at doses for which CNS-mediated effects were minimal. EXPERIMENTAL APPROACH Compounds were tested in dose-response in acute studies to compare efficacy (gastric transport) and extent of CNS exposure (hypothermia and satiety sequence) to demonstrate peripheral restriction and select doses for the subsequent chronic DIO study. KEY RESULTS TM38837 but not TM39875 produced considerable (26%) weight loss, linked to a sustained reduction in food intake, together with improvements in plasma markers of inflammation and glucose homeostasis. Pharmacokinetic analysis indicated high plasma and low brain levels for both compounds with high liver levels for TM38837 (but not TM39875) due to hepatic uptake. CONCLUSION AND IMPLICATIONS Weight loss and metabolic benefits of TM38837 are likely not CNS-mediated but could be linked to enhanced liver exposure, which implicates intracellular CB1 receptors in hepatocytes as a possible driver of obesity and co-morbidities.
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10
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Hassan Kalantar Neyestanaki M, Gholizadeh O, Hosseini Tabatabaie F, Akbarzadeh S, Yasamineh S, Afkhami H, Sedighi S. Immunomodulatory effects of cannabinoids against viral infections: a review of its potential use in SARS-CoV2 infection. Virusdisease 2024; 35:342-356. [PMID: 39071880 PMCID: PMC11269557 DOI: 10.1007/s13337-024-00871-0] [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: 03/17/2024] [Accepted: 05/11/2024] [Indexed: 07/30/2024] Open
Abstract
The COVID-19 pandemic is a global health crisis affecting millions of people worldwide. Along with vaccine development, there is also a priority to discover new drugs and treatments. One approach involves modulating the immune system to manage inflammation and cytokine storms. Patients with a high severity of complications exhibit a high level of inflammatory cytokines, particularly IL-6, in the airways and other infected tissues. Several studies have reported the function of the endocannabinoid system in regulating inflammation and different immune responses. Cannabinoids are a class of natural chemicals found in the Cannabis plant. Recently, the anti-inflammatory properties of cannabinoids and their mediatory immunosuppression mechanisms through the endocannabinoid system have engrossed scientists in the health field for infectious conditions. Research suggests that the immune system can regulate cytokine activation through cannabinoid receptors, particularly with Cannabidiol (CBD), the second most prevalent compound in cannabis. While CBD has been deemed safe by the World Health Organization and shows no signs of abuse potential, excessive CBD use may lead to respiratory depression. CBD shows promise in reducing immune cell recruitment and cytokine storms in organs affected by SARS-CoV2. However, before clinical use, it's crucial to evaluate cannabinoid-based medications' active ingredient concentrations and potential interactions with other drugs, along with associated side effects. Indication-based dosing, consistent formulations, and ensuring purity and potency are essential. This review highlights cannabinoids' effects on COVID-19 management and prognosis, drawing from preclinical and clinical studies.
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Affiliation(s)
| | | | - Fatemeh Hosseini Tabatabaie
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sama Akbarzadeh
- Department of Animal Biology, Faculty of Natural Science, University of Tabriz, Tabriz, Iran
| | - Saman Yasamineh
- Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Hamed Afkhami
- Department of Medical Microbiology, Faculty of Medicine, Shahed University of Medical Science, Tehran, Iran
| | - Somayeh Sedighi
- Department of Immunology, Faculty of Medicine, Medical Science of Mashhad, Mashhad, Iran
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11
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Fernández-Moncada I, Rodrigues RS, Fundazuri UB, Bellocchio L, Marsicano G. Type-1 cannabinoid receptors and their ever-expanding roles in brain energy processes. J Neurochem 2024; 168:693-703. [PMID: 37515372 DOI: 10.1111/jnc.15922] [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: 02/27/2023] [Revised: 06/06/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023]
Abstract
The brain requires large quantities of energy to sustain its functions. At the same time, the brain is isolated from the rest of the body, forcing this organ to develop strategies to control and fulfill its own energy needs. Likely based on these constraints, several brain-specific mechanisms emerged during evolution. For example, metabolically specialized cells are present in the brain, where intercellular metabolic cycles are organized to separate workload and optimize the use of energy. To orchestrate these strategies across time and space, several signaling pathways control the metabolism of brain cells. One of such controlling systems is the endocannabinoid system, whose main signaling hub in the brain is the type-1 cannabinoid (CB1) receptor. CB1 receptors govern a plethora of different processes in the brain, including cognitive function, emotional responses, or feeding behaviors. Classically, the mechanisms of action of CB1 receptors on brain function had been explained by its direct targeting of neuronal synaptic function. However, new discoveries have challenged this view. In this review, we will present and discuss recent data about how a small fraction of CB1 receptors associated to mitochondrial membranes (mtCB1), are able to exert a powerful control on brain functions and behavior. mtCB1 receptors impair mitochondrial functions both in neurons and astrocytes. In the latter cells, this effect is linked to an impairment of astrocyte glycolytic function, resulting in specific behavioral outputs. Finally, we will discuss the potential implications of (mt)CB1 expression on oligodendrocytes and microglia metabolic functions, with the aim to encourage interdisciplinary approaches to better understand the role of (mt)CB1 receptors in brain function and behavior.
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Affiliation(s)
| | - Rui S Rodrigues
- Université de Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | - Unai B Fundazuri
- Université de Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | - Luigi Bellocchio
- Université de Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
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12
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Fasciani I, Petragnano F, Wang Z, Edwards R, Telugu N, Pietrantoni I, Zabel U, Zauber H, Grieben M, Terzenidou ME, Di Gregorio J, Pellegrini C, Santini S, Taddei AR, Pohl B, Aringhieri S, Carli M, Aloisi G, Marampon F, Charlesworth E, Roman A, Diecke S, Flati V, Giorgi F, Amicarelli F, Tobin AB, Scarselli M, Tokatlidis K, Rossi M, Lohse MJ, Annibale P, Maggio R. The C-terminus of the prototypical M2 muscarinic receptor localizes to the mitochondria and regulates cell respiration under stress conditions. PLoS Biol 2024; 22:e3002582. [PMID: 38683874 PMCID: PMC11093360 DOI: 10.1371/journal.pbio.3002582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/14/2024] [Accepted: 03/11/2024] [Indexed: 05/02/2024] Open
Abstract
Muscarinic acetylcholine receptors are prototypical G protein-coupled receptors (GPCRs), members of a large family of 7 transmembrane receptors mediating a wide variety of extracellular signals. We show here, in cultured cells and in a murine model, that the carboxyl terminal fragment of the muscarinic M2 receptor, comprising the transmembrane regions 6 and 7 (M2tail), is expressed by virtue of an internal ribosome entry site localized in the third intracellular loop. Single-cell imaging and import in isolated yeast mitochondria reveals that M2tail, whose expression is up-regulated in cells undergoing integrated stress response, does not follow the normal route to the plasma membrane, but is almost exclusively sorted to the mitochondria inner membrane: here, it controls oxygen consumption, cell proliferation, and the formation of reactive oxygen species (ROS) by reducing oxidative phosphorylation. Crispr/Cas9 editing of the key methionine where cap-independent translation begins in human-induced pluripotent stem cells (hiPSCs), reveals the physiological role of this process in influencing cell proliferation and oxygen consumption at the endogenous level. The expression of the C-terminal domain of a GPCR, capable of regulating mitochondrial function, constitutes a hitherto unknown mechanism notably unrelated to its canonical signaling function as a GPCR at the plasma membrane. This work thus highlights a potential novel mechanism that cells may use for controlling their metabolism under variable environmental conditions, notably as a negative regulator of cell respiration.
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Affiliation(s)
- Irene Fasciani
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Francesco Petragnano
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Ziming Wang
- Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Ruairidh Edwards
- Centre for Translational Pharmacology, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | | | - Ilaria Pietrantoni
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Ulrike Zabel
- Institute of Pharmacology and Toxicology, University of Würzburg, Würzburg, Germany
| | - Henrik Zauber
- Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | | | - Maria E. Terzenidou
- Centre for Translational Pharmacology, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Jacopo Di Gregorio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Cristina Pellegrini
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Silvano Santini
- Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila, Italy
| | - Anna R. Taddei
- Section of Electron Microscopy, Great Equipment Center, University of Tuscia, Viterbo, Italy
| | - Bärbel Pohl
- Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Stefano Aringhieri
- Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | - Marco Carli
- Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | - Gabriella Aloisi
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | | | - Eve Charlesworth
- School of Physics and Astronomy, University of St Andrews, St Andrews, United Kingdom
| | | | | | - Vincenzo Flati
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Franco Giorgi
- Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | - Fernanda Amicarelli
- Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila, Italy
| | - Andrew B. Tobin
- Centre for Translational Pharmacology, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Marco Scarselli
- Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | - Kostas Tokatlidis
- Centre for Translational Pharmacology, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Mario Rossi
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Martin J. Lohse
- Max Delbrück Center for Molecular Medicine, Berlin, Germany
- Institute of Pharmacology and Toxicology, University of Würzburg, Würzburg, Germany
- ISAR Bioscience Institute, Munich, Germany
| | - Paolo Annibale
- Max Delbrück Center for Molecular Medicine, Berlin, Germany
- School of Physics and Astronomy, University of St Andrews, St Andrews, United Kingdom
| | - Roberto Maggio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
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13
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Machado JPD, de Almeida V, Zuardi AW, Hallak JEC, Crippa JA, Vieira AS. Cannabidiol modulates hippocampal genes involved in mitochondrial function, ribosome biogenesis, synapse organization, and chromatin modifications. Acta Neuropsychiatr 2024:1-7. [PMID: 38528655 DOI: 10.1017/neu.2024.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
BACKGROUND Cannabidiol (CBD) is one of the main cannabinoids present in Cannabis sativa female flowers. Previous investigation has already provided insights into the CBD molecular mechanism; however, there is no transcriptome data for CBD effects on hippocampal subfields. Here, we investigate transcriptomic changes in dorsal and ventral CA1 of adult mice hippocampus after 100 mg/kg of CBD administration (i.p.) for one or seven consecutive days. METHODS C57BL/6JUnib mice were treated with either vehicle or CBD for 1 or 7 days. The collected brains were sectioned, and the hippocampal sub-regions were laser microdissected for RNA-Seq analysis. RESULTS The transcriptome analysis following 7 days of CBD administration indicates the differential expression of 1559 genes in dCA1 and 2924 genes in vCA1. Furthermore, GO/KEGG analysis identified 88 significantly enriched biological process and 26 significantly enriched pathways for dCBD7, whereas vCBD7 revealed 128 enriched BPs and 24 pathways. CONCLUSION This dataset indicates a widespread decrease of electron transport chain and ribosome biogenesis transcripts in CA1, while chromatin modifications and synapse organization transcripts were increased following CBD administration for 7 days.
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Affiliation(s)
- João P D Machado
- Laboratory of Electrophysiology, Neurobiology and Behaviour, Dept Functional and Structural Biology, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil
- Brazilian Institute of Neuroscience and Neurotechnology (BRAINN), Campinas, São Paulo, Brazil
| | - Valéria de Almeida
- Laboratory of Neuroproteomics,, Dept Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinsas, São Paulo, Brazil
| | - Antonio W Zuardi
- Department of Neuroscience and Behavior, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- National Institute for Science and Technology - Translational Medicine, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jaime E C Hallak
- Department of Neuroscience and Behavior, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- National Institute for Science and Technology - Translational Medicine, Rio de Janeiro, Rio de Janeiro, Brazil
| | - José A Crippa
- Department of Neuroscience and Behavior, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- National Institute for Science and Technology - Translational Medicine, Rio de Janeiro, Rio de Janeiro, Brazil
| | - André S Vieira
- Laboratory of Electrophysiology, Neurobiology and Behaviour, Dept Functional and Structural Biology, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil
- Brazilian Institute of Neuroscience and Neurotechnology (BRAINN), Campinas, São Paulo, Brazil
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14
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Bo Y, Zhao X, Li L. Cardiotoxic effects of common and emerging drugs: role of cannabinoid receptors. Clin Sci (Lond) 2024; 138:413-434. [PMID: 38505994 DOI: 10.1042/cs20231156] [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: 09/21/2023] [Revised: 02/23/2024] [Accepted: 03/12/2024] [Indexed: 03/21/2024]
Abstract
Drug-induced cardiotoxicity has become one of the most common and detrimental health concerns, which causes significant loss to public health and drug resources. Cannabinoid receptors (CBRs) have recently achieved great attention for their vital roles in the regulation of heart health and disease, with mounting evidence linking CBRs with the pathogenesis and progression of drug-induced cardiotoxicity. This review aims to summarize fundamental characteristics of two well-documented CBRs (CB1R and CB2R) from aspects of molecular structure, signaling and their functions in cardiovascular physiology and pathophysiology. Moreover, we describe the roles of CB1R and CB2R in the occurrence of cardiotoxicity induced by common drugs such as antipsychotics, anti-cancer drugs, marijuana, and some emerging synthetic cannabinoids. We highlight the 'yin-yang' relationship between CB1R and CB2R in drug-induced cardiotoxicity and propose future perspectives for CBR-based translational medicine toward cardiotoxicity curation and clinical monitoring.
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Affiliation(s)
- Yiming Bo
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Xin Zhao
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Liliang Li
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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15
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Klauer MJ, Willette BKA, Tsvetanova NG. Functional diversification of cell signaling by GPCR localization. J Biol Chem 2024; 300:105668. [PMID: 38272232 PMCID: PMC10882132 DOI: 10.1016/j.jbc.2024.105668] [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: 08/23/2023] [Revised: 11/13/2023] [Accepted: 11/29/2023] [Indexed: 01/27/2024] Open
Abstract
G protein-coupled receptors (GPCRs) are the largest family of cell surface receptors and a critical class of regulators of mammalian physiology. Also known as seven transmembrane receptors (7TMs), GPCRs are ubiquitously expressed and versatile, detecting a diverse set of endogenous stimuli, including odorants, neurotransmitters, hormones, peptides, and lipids. Accordingly, GPCRs have emerged as the largest class of drug targets, accounting for upward of 30% of all prescription drugs. The view that ligand-induced GPCR responses originate exclusively from the cell surface has evolved to reflect accumulating evidence that receptors can elicit additional waves of signaling from intracellular compartments. These events in turn shape unique cellular and physiological outcomes. Here, we discuss our current understanding of the roles and regulation of compartmentalized GPCR signaling.
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Affiliation(s)
- Matthew J Klauer
- Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina, USA
| | - Blair K A Willette
- Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina, USA
| | - Nikoleta G Tsvetanova
- Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina, USA.
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16
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Izquierdo-Villalba I, Mirra S, Manso Y, Parcerisas A, Rubio J, Del Valle J, Gil-Bea FJ, Ulloa F, Herrero-Lorenzo M, Verdaguer E, Benincá C, Castro-Torres RD, Rebollo E, Marfany G, Auladell C, Navarro X, Enríquez JA, López de Munain A, Soriano E, Aragay AM. A mammalian-specific Alex3/Gα q protein complex regulates mitochondrial trafficking, dendritic complexity, and neuronal survival. Sci Signal 2024; 17:eabq1007. [PMID: 38320000 DOI: 10.1126/scisignal.abq1007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 01/16/2024] [Indexed: 02/08/2024]
Abstract
Mitochondrial dynamics and trafficking are essential to provide the energy required for neurotransmission and neural activity. We investigated how G protein-coupled receptors (GPCRs) and G proteins control mitochondrial dynamics and trafficking. The activation of Gαq inhibited mitochondrial trafficking in neurons through a mechanism that was independent of the canonical downstream PLCβ pathway. Mitoproteome analysis revealed that Gαq interacted with the Eutherian-specific mitochondrial protein armadillo repeat-containing X-linked protein 3 (Alex3) and the Miro1/Trak2 complex, which acts as an adaptor for motor proteins involved in mitochondrial trafficking along dendrites and axons. By generating a CNS-specific Alex3 knockout mouse line, we demonstrated that Alex3 was required for the effects of Gαq on mitochondrial trafficking and dendritic growth in neurons. Alex3-deficient mice had altered amounts of ER stress response proteins, increased neuronal death, motor neuron loss, and severe motor deficits. These data revealed a mammalian-specific Alex3/Gαq mitochondrial complex, which enables control of mitochondrial trafficking and neuronal death by GPCRs.
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Affiliation(s)
| | - Serena Mirra
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Department of Genetics, Microbiology and Statistics, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Raras (CIBER-CIBERER), ISCIII, Madrid 28031, Spain
- Institut de Biomedicina- Institut de Recerca Sant Joan de Déu (IBUB-IRSJD), Universitat de Barcelona, Barcelona 08028, Spain
| | - Yasmina Manso
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
| | - Antoni Parcerisas
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
- Biosciences Department, Faculty of Sciences, Technology and Engineering, University of Vic, Central University of Catalonia (UVic-UCC); and Tissue Repair and Regeneration Laboratory (TR2Lab), Institut de Recerca i Innovació en Ciències de la Vida i de la Salut a la Catalunya Central (IRIS-CC), 08500 Vic, Spain
| | - Javier Rubio
- Institut de Biologia Molecular de Barcelona (IBMB-CSIC), Barcelona 08028, Spain
| | - Jaume Del Valle
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, Universitat Autonoma de Barcelona, Bellaterra, Barcelona 08193, Spain
| | - Francisco J Gil-Bea
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
- Neurosciences Area, Biodonostia Health Research Institute, San Sebastián 20014, Spain
| | - Fausto Ulloa
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
| | - Marina Herrero-Lorenzo
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
| | - Ester Verdaguer
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
| | - Cristiane Benincá
- Institut de Biologia Molecular de Barcelona (IBMB-CSIC), Barcelona 08028, Spain
| | - Rubén D Castro-Torres
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
| | - Elena Rebollo
- Institut de Biologia Molecular de Barcelona (IBMB-CSIC), Barcelona 08028, Spain
| | - Gemma Marfany
- Department of Genetics, Microbiology and Statistics, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Raras (CIBER-CIBERER), ISCIII, Madrid 28031, Spain
- Institut de Biomedicina- Institut de Recerca Sant Joan de Déu (IBUB-IRSJD), Universitat de Barcelona, Barcelona 08028, Spain
| | - Carme Auladell
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
| | - Xavier Navarro
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, Universitat Autonoma de Barcelona, Bellaterra, Barcelona 08193, Spain
| | - José A Enríquez
- Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid 28029, Spain
- Centro de Investigación Biomédica en Red en Fragilidad y Envejecimiento Saludable (CIBER-CIBERFES), Madrid 28031, Spain
| | - Adolfo López de Munain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
- Neurosciences Area, Biodonostia Health Research Institute, San Sebastián 20014, Spain
- Neurology Department, Donostia University Hospital, San Sebastián 20014, Spain
| | - Eduardo Soriano
- Department of Cell Biology, Physiology and Immunology, and Institute of Neurosciences, University of Barcelona, Barcelona 08028, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBER-CIBERNED), ISCIII, Madrid 28031, Spain
| | - Anna M Aragay
- Institut de Biologia Molecular de Barcelona (IBMB-CSIC), Barcelona 08028, Spain
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17
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Pinheiro EF, Cardoso PB, Luz WL, Assad N, Santos-Silva M, Leão LKR, de Moraes SAS, Passos ADC, de Jesus Oliveira Batista E, Oliveira KRHM, Gouveia A, Herculano AM. Putative Activation of Cannabinoid Receptor Type 1 Prevents Brain Oxidative Stress and Inhibits Aggressive-Like Behavior in Zebrafish. Cannabis Cannabinoid Res 2024; 9:65-73. [PMID: 36576997 DOI: 10.1089/can.2022.0146] [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: 12/29/2022] Open
Abstract
Background: Aggression is a set of complex behaviors commonly described in different neurological disorders, such as schizophrenia, autistim spectrum disorder, and anxiety. Previous studies have described that some changes in the redox status of the brain are closely associated with aggressive behavior in different species. In addition, the endocannabinoid system acts as a neuromodulator of the central nervous system, however, its participation in aggressive behavior needs to be elucidated. Danio rerio (zebrafish) is an important model in the study of aggression, in this context, the present study investigated whether the activation of type 1 cannabinoid receptors (CB1r) alters the cerebral redox state and aggressive behavior in zebrafish. Materials and Methods: We performed pharmacological manipulations with the CB1r agonist (ACEA) and antagonist (AM-251) to assess the role of this receptor in aggressive behavior. Individuals were isolated in pairs, without physical contact for 24 h, treated with the drugs of interest, and after 30 minutes of pharmacokinetics, the fights were filmed for 30 min, and the individuals were identified as dominant or subordinate. Results: A consistent decrease in the strike and bite aggressive behavior was observed in the group treated with the ACEA agonist compared with that in the control and AM-251 groups. When evaluating the cerebral redox state, we observed that treatment with the ACEA agonist reduced malondialdehyde (MDA) levels and increased the levels of sulfhydryl groups compared with those in the control group. These results indicate that the activation of CB1r by the ACEA agonist inhibited aggressiveness and attenuated the levels of oxidative stress in both subjects (dominant or subordinate) in the treated group. Conclusion: Thus, we suggest that zebrafish is an alternative model to study common aggressive behavior disorders among species and that CB1r represent a potential target for the development of treatments for aggressive disorders.
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Affiliation(s)
- Emerson Feio Pinheiro
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Patrick Bruno Cardoso
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Waldo Lucas Luz
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Nadyme Assad
- Department of Psychobiology, Federal University of São Paulo, São Paulo, Brazil
| | - Mateus Santos-Silva
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Luana Ketlen Reis Leão
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | | | - Adelaide da Conceição Passos
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Evander de Jesus Oliveira Batista
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
- Laboratory of Protozoology, Tropical Medicine Center, Federal University of Pará, Belém, Brazil
| | | | - Amauri Gouveia
- Laboratory of Neuroscience and Behavior, Federal University of Pará, Belém, Brazil
| | - Anderson Manoel Herculano
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
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18
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Lohse MJ, Bock A, Zaccolo M. G Protein-Coupled Receptor Signaling: New Insights Define Cellular Nanodomains. Annu Rev Pharmacol Toxicol 2024; 64:387-415. [PMID: 37683278 DOI: 10.1146/annurev-pharmtox-040623-115054] [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] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
G protein-coupled receptors are the largest and pharmacologically most important receptor family and are involved in the regulation of most cell functions. Most of them reside exclusively at the cell surface, from where they signal via heterotrimeric G proteins to control the production of second messengers such as cAMP and IP3 as well as the activity of several ion channels. However, they may also internalize upon agonist stimulation or constitutively reside in various intracellular locations. Recent evidence indicates that their function differs depending on their precise cellular localization. This is because the signals they produce, notably cAMP and Ca2+, are mostly bound to cell proteins that significantly reduce their mobility, allowing the generation of steep concentration gradients. As a result, signals generated by the receptors remain confined to nanometer-sized domains. We propose that such nanometer-sized domains represent the basic signaling units in a cell and a new type of target for drug development.
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Affiliation(s)
- Martin J Lohse
- ISAR Bioscience Institute, Planegg/Munich, Germany;
- Rudolf Boehm Institute of Pharmacology and Toxicology, Leipzig University, Leipzig, Germany
| | - Andreas Bock
- Rudolf Boehm Institute of Pharmacology and Toxicology, Leipzig University, Leipzig, Germany
| | - Manuela Zaccolo
- Department of Physiology, Anatomy and Genetics and National Institute for Health and Care Research Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom;
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19
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Abstract
The cannabis plant has been used for centuries to manage the symptoms of various ailments including pain. Hundreds of chemical compounds have been identified and isolated from the plant and elicit a variety of physiological responses by binding to specific receptors and interacting with numerous other proteins. In addition, the body makes its own cannabinoid-like compounds that are integrally involved in modulating normal and pathophysiological processes. As the legal cannabis landscape continues to evolve within the United States and throughout the world, it is important to understand the rich science behind the effects of the plant and the implications for providers and patients. This narrative review aims to provide an overview of the basic science of the cannabinoids by describing the discovery and function of the endocannabinoid system, pharmacology of cannabinoids, and areas for future research and therapeutic development as they relate to perioperative and chronic pain medicine.
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Affiliation(s)
- Alexandra Sideris
- Department of Anesthesiology, Critical Care and Pain Medicine, Hospital for Special Surgery, New York, New York
- Department of Anesthesiology, Weill Cornell Medicine, New York, New York
- HSS Research Institute, New York, New York
| | | | - Martin Kaczocha
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York
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20
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Verdikt R, Armstrong AA, Cheng J, Hwang YS, Clark AT, Yang X, Allard P. Metabolic memory of Δ9-tetrahydrocannabinol exposure in pluripotent stem cells and primordial germ cells-like cells. eLife 2023; 12:RP88795. [PMID: 38150302 PMCID: PMC10752584 DOI: 10.7554/elife.88795] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023] Open
Abstract
Cannabis, the most consumed illicit psychoactive drug in the world, is increasingly used by pregnant women. However, while cannabinoid receptors are expressed in the early embryo, the impact of phytocannabinoids exposure on early embryonic processes is lacking. Here, we leverage a stepwise in vitro differentiation system that captures the early embryonic developmental cascade to investigate the impact of exposure to the most abundant phytocannabinoid, Δ9-tetrahydrocannabinol (Δ9-THC). We demonstrate that Δ9-THC increases the proliferation of naive mouse embryonic stem cells (ESCs) but not of their primed counterpart. Surprisingly, this increased proliferation, dependent on the CB1 receptor binding, is only associated with moderate transcriptomic changes. Instead, Δ9-THC capitalizes on ESCs' metabolic bivalence by increasing their glycolytic rates and anabolic capabilities. A memory of this metabolic rewiring is retained throughout differentiation to Primordial Germ Cell-Like Cells in the absence of direct exposure and is associated with an alteration of their transcriptional profile. These results represent the first in-depth molecular characterization of the impact of Δ9-THC exposure on early stages of germline development.
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Affiliation(s)
- Roxane Verdikt
- Institute for Society and Genetics, University of California, Los AngelesLos AngelesUnited States
| | - Abigail A Armstrong
- Department of Obstetrics/Gynecology and Reproductive Endocrinology and Infertility, University of California, Los AngelesLos AngelesUnited States
| | - Jenny Cheng
- Molecular, Cellular, and Integrative Physiology Graduate Program, University of California, Los AngelesLos AngelesUnited States
| | - Young Sun Hwang
- Department of Molecular Cell and Developmental Biology, University of California, Los AngelesLos AngelesUnited States
| | - Amander T Clark
- Department of Molecular Cell and Developmental Biology, University of California, Los AngelesLos AngelesUnited States
- Center for Reproductive Science, Health and Education, University of California, Los AngelesLos AngelesUnited States
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los AngelesLos AngelesUnited States
| | - Xia Yang
- Integrative Biology and Physiology Department, University of California, Los AngelesLos AngelesUnited States
- Department of Molecular and Medical Pharmacology, University of California, Los AngelesLos AngelesUnited States
| | - Patrick Allard
- Institute for Society and Genetics, University of California, Los AngelesLos AngelesUnited States
- Molecular Biology Institute, University of California, Los AngelesLos AngelesUnited States
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21
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Kouchaeknejad A, Van Der Walt G, De Donato MH, Puighermanal E. Imaging and Genetic Tools for the Investigation of the Endocannabinoid System in the CNS. Int J Mol Sci 2023; 24:15829. [PMID: 37958825 PMCID: PMC10648052 DOI: 10.3390/ijms242115829] [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: 09/15/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
As central nervous system (CNS)-related disorders present an increasing cause of global morbidity, mortality, and high pressure on our healthcare system, there is an urgent need for new insights and treatment options. The endocannabinoid system (ECS) is a critical network of endogenous compounds, receptors, and enzymes that contribute to CNS development and regulation. Given its multifaceted involvement in neurobiology and its significance in various CNS disorders, the ECS as a whole is considered a promising therapeutic target. Despite significant advances in our understanding of the ECS's role in the CNS, its complex architecture and extensive crosstalk with other biological systems present challenges for research and clinical advancements. To bridge these knowledge gaps and unlock the full therapeutic potential of ECS interventions in CNS-related disorders, a plethora of molecular-genetic tools have been developed in recent years. Here, we review some of the most impactful tools for investigating the neurological aspects of the ECS. We first provide a brief introduction to the ECS components, including cannabinoid receptors, endocannabinoids, and metabolic enzymes, emphasizing their complexity. This is followed by an exploration of cutting-edge imaging tools and genetic models aimed at elucidating the roles of these principal ECS components. Special emphasis is placed on their relevance in the context of CNS and its associated disorders.
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Affiliation(s)
| | | | | | - Emma Puighermanal
- Neuroscience Institute, Autonomous University of Barcelona, 08193 Bellaterra, Spain; (A.K.); (G.V.D.W.); (M.H.D.D.)
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22
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Ding W, Yang L, Shi E, Kim B, Low S, Hu K, Gao L, Chen P, Ding W, Borsook D, Luo A, Choi JH, Wang C, Akeju O, Yang J, Ran C, Schreiber KL, Mao J, Chen Q, Feng G, Shen S. The endocannabinoid N-arachidonoyl dopamine is critical for hyperalgesia induced by chronic sleep disruption. Nat Commun 2023; 14:6696. [PMID: 37880241 PMCID: PMC10600211 DOI: 10.1038/s41467-023-42283-6] [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: 12/30/2022] [Accepted: 10/05/2023] [Indexed: 10/27/2023] Open
Abstract
Chronic pain is highly prevalent and is linked to a broad range of comorbidities, including sleep disorders. Epidemiological and clinical evidence suggests that chronic sleep disruption (CSD) leads to heightened pain sensitivity, referred to as CSD-induced hyperalgesia. However, the underlying mechanisms are unclear. The thalamic reticular nucleus (TRN) has unique integrative functions in sensory processing, attention/arousal and sleep spindle generation. We report that the TRN played an important role in CSD-induced hyperalgesia in mice, through its projections to the ventroposterior region of the thalamus. Metabolomics revealed that the level of N-arachidonoyl dopamine (NADA), an endocannabinoid, was decreased in the TRN after CSD. Using a recently developed CB1 receptor (cannabinoid receptor 1) activity sensor with spatiotemporal resolution, CB1 receptor activity in the TRN was found to be decreased after CSD. Moreover, CSD-induced hyperalgesia was attenuated by local NADA administration to the TRN. Taken together, these results suggest that TRN NADA signaling is critical for CSD-induced hyperalgesia.
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Affiliation(s)
- Weihua Ding
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Liuyue Yang
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Eleanor Shi
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Bowon Kim
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Sarah Low
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Kun Hu
- Department of Pathology, Tuft University School of Medicine, Boston, MA, USA
| | - Lei Gao
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ping Chen
- College of Science and Mathematics, University of Massachusetts Boston, Boston, MA, USA
| | - Wei Ding
- College of Science and Mathematics, University of Massachusetts Boston, Boston, MA, USA
| | - David Borsook
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Andrew Luo
- Summer Intern Program of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, currently at Brandeis University, Boston, MA, USA
| | - Jee Hyun Choi
- Center for Neuroscience, Korea Institute of Science and Technology, Seoul, South Korea
| | - Changning Wang
- Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Oluwaseun Akeju
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Jun Yang
- Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Chongzhao Ran
- Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Kristin L Schreiber
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Jianren Mao
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Qian Chen
- McGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Guoping Feng
- McGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA.
| | - Shiqian Shen
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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23
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Verdikt R, Armstrong AA, Cheng J, Hwang YS, Clark AT, Yang X, Allard P. Metabolic memory of Δ9-tetrahydrocannabinol exposure in pluripotent stem cells and primordial germ cells-like cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.13.531968. [PMID: 36993751 PMCID: PMC10054962 DOI: 10.1101/2023.03.13.531968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Cannabis, the most consumed illicit psychoactive drug in the world, is increasingly used by pregnant women. However, while cannabinoid receptors are expressed in the early embryo, the impact of phytocannabinoids exposure on early embryonic processes is lacking. Here, we leverage a stepwise in vitro differentiation system that captures early embryonic developmental cascade to investigate the impact of exposure to the most abundant phytocannabinoid, Δ9-tetrahydrocannabinol (Δ9-THC). We demonstrate that Δ9-THC increases the proliferation of naïve mouse embryonic stem cells (ESCs) but not of their primed counterpart. Surprisingly, this increased proliferation, dependent on the CB1 receptor binding, is only associated with moderate transcriptomic changes. Instead, Δ9-THC capitalizes on ESCs' metabolic bivalence by increasing their glycolytic rates and anabolic capabilities. A memory of this metabolic rewiring is retained throughout differentiation to Primordial Germ Cell-Like Cells in the absence of direct exposure and is associated with an alteration of their transcriptional profile. These results represent the first in-depth molecular characterization of the impact of Δ9-THC exposure on early stages of germline development.
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Affiliation(s)
- Roxane Verdikt
- Institute for Society and Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Abigail A. Armstrong
- Department of Obstetrics/Gynecology and Reproductive Endocrinology and Infertility, University of California, Los Angeles, CA, USA
| | - Jenny Cheng
- Molecular, Cellular, and Integrative Physiology Graduate Program, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Young Sun Hwang
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Amander T. Clark
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Center for Reproductive Science, Health and Education, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xia Yang
- Integrative Biology and Physiology Department, University of California, Los Angeles, CA, 90095, USA
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Patrick Allard
- Institute for Society and Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
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24
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Binda KH, Landau AM, Chacur M, Brooks DJ, Real CC. Treadmill exercise modulates nigral and hippocampal cannabinoid receptor type 1 in the 6-OHDA model of Parkinson's disease. Brain Res 2023; 1814:148436. [PMID: 37268248 DOI: 10.1016/j.brainres.2023.148436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/12/2023] [Accepted: 05/29/2023] [Indexed: 06/04/2023]
Abstract
Physical exercise benefits Parkinson's disease (PD) patients but the mechanism is unclear. Cannabinoid receptor type 1 (CB1R) is known to be reduced in PD patients and animal models. We test the hypothesis that binding of the CB1R inverse agonist, [3H]SR141716A, is normalized by treadmill exercise in the toxin-induced 6-hydroxydopamine (6-OHDA) model of PD. Male rats had unilateral striatal injections of 6-OHDA or saline. After 15 days, half were submitted to treadmill exercise and half remained sedentary. [3H]SR141716A autoradiography was performed in postmortem tissue from striatum, substantia nigra (SN) and hippocampus. There was a 41% decrease of [3H]SR141716A specific binding in the ipsilateral SN of 6-OHDA-injected sedentary animals which was attenuated to 15% by exercise, when compared to saline-injected animals. No striatal differences were observed. A 30% bilateral hippocampal increase was observed in both healthy and 6-OHDA exercised groups. In addition, a positive correlation between nigral [3H]SR141716A binding and nociceptive threshold was observed in PD-exercised animals (p = 0.0008), suggesting a beneficial effect of exercise in the pain associated with the model. Chronic exercise can reduce the detrimental effects of PD on nigral [3H]SR141716A binding, similar to the reported reduction after dopamine replacement therapy, so should be considered as an adjunct therapy for PD.
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Affiliation(s)
- Karina Henrique Binda
- Translational Neuropsychiatry Unit, Aarhus University, Aarhus, Denmark; Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus, Denmark.
| | - Anne M Landau
- Translational Neuropsychiatry Unit, Aarhus University, Aarhus, Denmark; Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus, Denmark.
| | - Marucia Chacur
- Laboratory of Functional Neuroanatomy of Pain, Department of Anatomy, Universidade de São Paulo, São Paulo, São Paulo, Brazil.
| | - David J Brooks
- Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus, Denmark; Institute of Translational and Clinical Research, University of Newcastle upon Tyne, United Kingdom.
| | - Caroline Cristiano Real
- Translational Neuropsychiatry Unit, Aarhus University, Aarhus, Denmark; Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus, Denmark.
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25
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Yang S, Park JH, Lu HC. Axonal energy metabolism, and the effects in aging and neurodegenerative diseases. Mol Neurodegener 2023; 18:49. [PMID: 37475056 PMCID: PMC10357692 DOI: 10.1186/s13024-023-00634-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 06/08/2023] [Indexed: 07/22/2023] Open
Abstract
Human studies consistently identify bioenergetic maladaptations in brains upon aging and neurodegenerative disorders of aging (NDAs), such as Alzheimer's disease, Parkinson's disease, Huntington's disease, and Amyotrophic lateral sclerosis. Glucose is the major brain fuel and glucose hypometabolism has been observed in brain regions vulnerable to aging and NDAs. Many neurodegenerative susceptible regions are in the topological central hub of the brain connectome, linked by densely interconnected long-range axons. Axons, key components of the connectome, have high metabolic needs to support neurotransmission and other essential activities. Long-range axons are particularly vulnerable to injury, neurotoxin exposure, protein stress, lysosomal dysfunction, etc. Axonopathy is often an early sign of neurodegeneration. Recent studies ascribe axonal maintenance failures to local bioenergetic dysregulation. With this review, we aim to stimulate research in exploring metabolically oriented neuroprotection strategies to enhance or normalize bioenergetics in NDA models. Here we start by summarizing evidence from human patients and animal models to reveal the correlation between glucose hypometabolism and connectomic disintegration upon aging/NDAs. To encourage mechanistic investigations on how axonal bioenergetic dysregulation occurs during aging/NDAs, we first review the current literature on axonal bioenergetics in distinct axonal subdomains: axon initial segments, myelinated axonal segments, and axonal arbors harboring pre-synaptic boutons. In each subdomain, we focus on the organization, activity-dependent regulation of the bioenergetic system, and external glial support. Second, we review the mechanisms regulating axonal nicotinamide adenine dinucleotide (NAD+) homeostasis, an essential molecule for energy metabolism processes, including NAD+ biosynthetic, recycling, and consuming pathways. Third, we highlight the innate metabolic vulnerability of the brain connectome and discuss its perturbation during aging and NDAs. As axonal bioenergetic deficits are developing into NDAs, especially in asymptomatic phase, they are likely exaggerated further by impaired NAD+ homeostasis, the high energetic cost of neural network hyperactivity, and glial pathology. Future research in interrogating the causal relationship between metabolic vulnerability, axonopathy, amyloid/tau pathology, and cognitive decline will provide fundamental knowledge for developing therapeutic interventions.
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Affiliation(s)
- Sen Yang
- The Linda and Jack Gill Center for Biomolecular Sciences, Indiana University, Bloomington, IN, 47405, USA
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, 47405, USA
| | - Jung Hyun Park
- The Linda and Jack Gill Center for Biomolecular Sciences, Indiana University, Bloomington, IN, 47405, USA
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, 47405, USA
| | - Hui-Chen Lu
- The Linda and Jack Gill Center for Biomolecular Sciences, Indiana University, Bloomington, IN, 47405, USA.
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA.
- Program in Neuroscience, Indiana University, Bloomington, IN, 47405, USA.
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26
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Fernández-Moncada I, Eraso-Pichot A, Tor TD, Fortunato-Marsol B, Marsicano G. An enquiry to the role of CB1 receptors in neurodegeneration. Neurobiol Dis 2023:106235. [PMID: 37481040 DOI: 10.1016/j.nbd.2023.106235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/27/2023] [Accepted: 07/20/2023] [Indexed: 07/24/2023] Open
Abstract
Neurodegenerative disorders are debilitating conditions that impair patient quality of life and that represent heavy social-economic burdens to society. Whereas the root of some of these brain illnesses lies in autosomal inheritance, the origin of most of these neuropathologies is scantly understood. Similarly, the cellular and molecular substrates explaining the progressive loss of brain functions remains to be fully described too. Indeed, the study of brain neurodegeneration has resulted in a complex picture, composed of a myriad of altered processes that include broken brain bioenergetics, widespread neuroinflammation and aberrant activity of signaling pathways. In this context, several lines of research have shown that the endocannabinoid system (ECS) and its main signaling hub, the type-1 cannabinoid (CB1) receptor are altered in diverse neurodegenerative disorders. However, some of these data are conflictive or poorly described. In this review, we summarize the findings about the alterations in ECS and CB1 receptors signaling in three representative brain illnesses, the Alzheimer's, Parkinson's and Huntington's diseases, and we discuss the relevance of these studies in understanding neurodegeneration development and progression, with a special focus on astrocyte function. Noteworthy, the analysis of ECS defects in neurodegeneration warrant much more studies, as our conceptual understanding of ECS function has evolved quickly in the last years, which now include glia cells and the subcellular-specific CB1 receptors signaling as critical players of brain functions.
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Affiliation(s)
| | - Abel Eraso-Pichot
- Université de Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000 Bordeaux, France
| | - Tommaso Dalla Tor
- Université de Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000 Bordeaux, France; Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania 95124, Italy
| | | | - Giovanni Marsicano
- Université de Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000 Bordeaux, France.
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Reece AS, Bennett K, Hulse GK. Cannabis- and Substance-Related Carcinogenesis in Europe: A Lagged Causal Inferential Panel Regression Study. J Xenobiot 2023; 13:323-385. [PMID: 37489337 PMCID: PMC10366890 DOI: 10.3390/jox13030024] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/10/2023] [Accepted: 07/10/2023] [Indexed: 07/26/2023] Open
Abstract
Recent European data facilitate an epidemiological investigation of the controversial cannabis-cancer relationship. Of particular concern were prior findings associating high-dose cannabis use with reproductive problems and potential genetic impacts. Cancer incidence data age-standardised to the world population was obtained from the European Cancer Information System 2000-2020 and many European national cancer registries. Drug use data were obtained from the European Monitoring Centre for Drugs and Drug Addiction. Alcohol and tobacco consumption was sourced from the WHO. Median household income was taken from the World bank. Cancer rates in high-cannabis-use countries were significantly higher than elsewhere (β-estimate = 0.4165, p = 3.54 × 10-115). Eighteen of forty-one cancers (42,675 individual rates) were significantly associated with cannabis exposure at bivariate analysis. Twenty-five cancers were linked in inverse-probability-weighted multivariate models. Temporal lagging in panel models intensified these effects. In multivariable models, cannabis was a more powerful correlate of cancer incidence than tobacco or alcohol. Reproductive toxicity was evidenced by the involvement of testis, ovary, prostate and breast cancers and because some of the myeloid and lymphoid leukaemias implicated occur in childhood, indicating inherited intergenerational genotoxicity. Cannabis is a more important carcinogen than tobacco and alcohol and fulfills epidemiological qualitative and quantitative criteria for causality for 25/41 cancers. Reproductive and transgenerational effects are prominent. These findings confirm the clinical and epidemiological salience of cannabis as a major multigenerational community carcinogen.
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Affiliation(s)
- Albert Stuart Reece
- Division of Psychiatry, University of Western Australia, Crawley, WA 6009, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA 6027, Australia
| | - Kellie Bennett
- Division of Psychiatry, University of Western Australia, Crawley, WA 6009, Australia
- Faculty of Health Sciences, Curtin University, 208 Kent St., Bentley, Perth, WA 6102, Australia
| | - Gary Kenneth Hulse
- Division of Psychiatry, University of Western Australia, Crawley, WA 6009, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA 6027, Australia
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28
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Podinić T, Werstuck G, Raha S. The Implications of Cannabinoid-Induced Metabolic Dysregulation for Cellular Differentiation and Growth. Int J Mol Sci 2023; 24:11003. [PMID: 37446181 DOI: 10.3390/ijms241311003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
The endocannabinoid system (ECS) governs and coordinates several physiological processes through an integrated signaling network, which is responsible for inducing appropriate intracellular metabolic signaling cascades in response to (endo)cannabinoid stimulation. This intricate cellular system ensures the proper functioning of the immune, reproductive, and nervous systems and is involved in the regulation of appetite, memory, metabolism, and development. Cannabinoid receptors have been observed on both cellular and mitochondrial membranes in several tissues and are stimulated by various classes of cannabinoids, rendering the ECS highly versatile. In the context of growth and development, emerging evidence suggests a crucial role for the ECS in cellular growth and differentiation. Indeed, cannabinoids have the potential to disrupt key energy-sensing metabolic signaling pathways requiring mitochondrial-ER crosstalk, whose functioning is essential for successful cellular growth and differentiation. This review aims to explore the extent of cannabinoid-induced cellular dysregulation and its implications for cellular differentiation.
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Affiliation(s)
- Tina Podinić
- The Department of Pediatrics and the Graduate Program in Medical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Geoff Werstuck
- Department of Medicine and the Thrombosis and Atherosclerosis Research Institute, David Braley Research Institute, McMaster University, Hamilton, ON L8L 2X2, Canada
| | - Sandeep Raha
- The Department of Pediatrics and the Graduate Program in Medical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
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29
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Oddi S, Fiorenza MT, Maccarrone M. Endocannabinoid signaling in adult hippocampal neurogenesis: A mechanistic and integrated perspective. Prog Lipid Res 2023; 91:101239. [PMID: 37385352 DOI: 10.1016/j.plipres.2023.101239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 06/01/2023] [Accepted: 06/25/2023] [Indexed: 07/01/2023]
Abstract
Dentate gyrus of the hippocampus continuously gives rise to new neurons, namely, adult-born granule cells, which contribute to conferring plasticity to the mature brain throughout life. Within this neurogenic region, the fate and behavior of neural stem cells (NSCs) and their progeny result from a complex balance and integration of a variety of cell-autonomous and cell-to-cell-interaction signals and underlying pathways. Among these structurally and functionally diverse signals, there are endocannabinoids (eCBs), the main brain retrograde messengers. These pleiotropic bioactive lipids can directly and/or indirectly influence adult hippocampal neurogenesis (AHN) by modulating, both positively and negatively, multiple molecular and cellular processes in the hippocampal niche, depending on the cell type or stage of differentiation. Firstly, eCBs act directly as cell-intrinsic factors, cell-autonomously produced by NSCs following their stimulation. Secondly, in many, if not all, niche-associated cells, including some local neuronal and nonneuronal elements, the eCB system indirectly modulates the neurogenesis, linking neuronal and glial activity to regulating distinct stages of AHN. Herein, we discuss the crosstalk of the eCB system with other neurogenesis-relevant signal pathways and speculate how the hippocampus-dependent neurobehavioral effects elicited by (endo)cannabinergic medications are interpretable in light of the key regulatory role that eCBs play on AHN.
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Affiliation(s)
- Sergio Oddi
- Department of Veterinary Medicine, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; European Center for Brain Research/IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano 64, 00143 Rome, Italy.
| | - Maria Teresa Fiorenza
- European Center for Brain Research/IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano 64, 00143 Rome, Italy; Department of Psychology, Division of Neuroscience and "Daniel Bovet" Neurobiology Research Center, Sapienza University of Rome, Via dei Sardi 70, 00185 Rome, Italy
| | - Mauro Maccarrone
- European Center for Brain Research/IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano 64, 00143 Rome, Italy; Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Via Vetoio Snc, 67100 L'Aquila, Italy
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30
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Skupio U, Welte J, Serrat R, Eraso-Pichot A, Julio-Kalajzić F, Gisquet D, Cannich A, Delcasso S, Matias I, Fundazuri UB, Pouvreau S, Pagano Zottola AC, Lavanco G, Drago F, Ruiz de Azua I, Lutz B, Bellocchio L, Busquets-Garcia A, Chaouloff F, Marsicano G. Mitochondrial cannabinoid receptors gate corticosterone impact on novel object recognition. Neuron 2023; 111:1887-1897.e6. [PMID: 37098353 DOI: 10.1016/j.neuron.2023.04.001] [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: 04/14/2022] [Revised: 02/21/2023] [Accepted: 03/30/2023] [Indexed: 04/27/2023]
Abstract
Corticosteroid-mediated stress responses require the activation of complex brain circuits involving mitochondrial activity, but the underlying cellular and molecular mechanisms are scantly known. The endocannabinoid system is implicated in stress coping, and it can directly regulate brain mitochondrial functions via type 1 cannabinoid (CB1) receptors associated with mitochondrial membranes (mtCB1). In this study, we show that the impairing effect of corticosterone in the novel object recognition (NOR) task in mice requires mtCB1 receptors and the regulation of mitochondrial calcium levels in neurons. Different brain circuits are modulated by this mechanism to mediate the impact of corticosterone during specific phases of the task. Thus, whereas corticosterone recruits mtCB1 receptors in noradrenergic neurons to impair NOR consolidation, mtCB1 receptors in local hippocampal GABAergic interneurons are required to inhibit NOR retrieval. These data reveal unforeseen mechanisms mediating the effects of corticosteroids during different phases of NOR, involving mitochondrial calcium alterations in different brain circuits.
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Affiliation(s)
- Urszula Skupio
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Julia Welte
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Roman Serrat
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Abel Eraso-Pichot
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Francisca Julio-Kalajzić
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Doriane Gisquet
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Astrid Cannich
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | | | - Isabelle Matias
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Unai B Fundazuri
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Sandrine Pouvreau
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Antonio C Pagano Zottola
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France; Institute for Cellular Biochemistry and Genetics, UMR 5095, Bordeaux 33077, France
| | - Gianluca Lavanco
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Filippo Drago
- Department of Clinical and Molecular Biomedicine, Section of Pharmacology and Biochemistry, University of Catania, Catania, Italy
| | - Inigo Ruiz de Azua
- Institute of Physiological Chemistry, University Medical Center, Mainz 55131 Germany; Leibniz Institute for Resilience Research (LIR), Mainz 55122, Germany
| | - Beat Lutz
- Institute of Physiological Chemistry, University Medical Center, Mainz 55131 Germany; Leibniz Institute for Resilience Research (LIR), Mainz 55122, Germany
| | - Luigi Bellocchio
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Arnau Busquets-Garcia
- Cell-Type Mechanisms in Normal and Pathological Behavior Research Group, Neuroscience Program, IMIM Hospital del Mar Medical Research Institute, Barcelona 08003, Spain
| | - Francis Chaouloff
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France
| | - Giovanni Marsicano
- INSERM, U1215 NeuroCentre Magendie, Bordeaux 33077, France; University of Bordeaux, Bordeaux 33077, France.
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31
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Jimenez-Blasco D, Almeida A, Bolaños JP. Brightness and shadows of mitochondrial ROS in the brain. Neurobiol Dis 2023:106199. [PMID: 37321421 DOI: 10.1016/j.nbd.2023.106199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/17/2023] Open
Abstract
Mitochondrial reactive oxygen species (mROS) have been generally considered harmful byproducts wanted to clear when elevated to avoid brain damage. However, the abundance of mROS in astrocytes is very high -about one order of magnitude above that in neurons-, despite they are essential to preserve cell metabolism and animal behavior. Here, we have focused on this apparent ambiguity by discussing (i) the intrinsic mechanisms accounting for the higher production of mROS by the mitochondrial respiratory chain in astrocytes than in neurons, (ii) the specific molecular targets of astrocytic beneficial mROS, and (iii) how decreased astrocytic mROS causes excess neuronal mROS leading to cellular and organismal damage. We hope that this mini-review serves to clarifying the apparent controversy on the beneficial versus deleterious faces of ROS in the brain from molecular to higher-order organismal levels.
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Affiliation(s)
- Daniel Jimenez-Blasco
- Instituto de Biología Funcional y Genómica (IBFG), Universidad de Salamanca, CSIC, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, Universidad de Salamanca, CSIC, Salamanca, Spain; Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain.
| | - Angeles Almeida
- Instituto de Biología Funcional y Genómica (IBFG), Universidad de Salamanca, CSIC, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, Universidad de Salamanca, CSIC, Salamanca, Spain.
| | - Juan P Bolaños
- Instituto de Biología Funcional y Genómica (IBFG), Universidad de Salamanca, CSIC, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, Universidad de Salamanca, CSIC, Salamanca, Spain; Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain.
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32
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Duarte FV, Ciampi D, Duarte CB. Mitochondria as central hubs in synaptic modulation. Cell Mol Life Sci 2023; 80:173. [PMID: 37266732 DOI: 10.1007/s00018-023-04814-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/10/2023] [Accepted: 05/19/2023] [Indexed: 06/03/2023]
Abstract
Mitochondria are present in the pre- and post-synaptic regions, providing the energy required for the activity of these very specialized neuronal compartments. Biogenesis of synaptic mitochondria takes place in the cell body, and these organelles are then transported to the synapse by motor proteins that carry their cargo along microtubule tracks. The transport of mitochondria along neurites is a highly regulated process, being modulated by the pattern of neuronal activity and by extracellular cues that interact with surface receptors. These signals act by controlling the distribution of mitochondria and by regulating their activity. Therefore, mitochondria activity at the synapse allows the integration of different signals and the organelles are important players in the response to synaptic stimulation. Herein we review the available evidence regarding the regulation of mitochondrial dynamics by neuronal activity and by neuromodulators, and how these changes in the activity of mitochondria affect synaptic communication.
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Affiliation(s)
- Filipe V Duarte
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- III - Institute for Interdisciplinary Research, University of Coimbra, Coimbra, Portugal
| | - Daniele Ciampi
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Carlos B Duarte
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.
- Department of Life Sciences, University of Coimbra, Coimbra, Portugal.
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33
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Harbin NH, Lustberg DJ, Hurst C, Pare J, Crotty KM, Waters AL, Yeligar SM, Smith Y, Seyfried NT, Weinshenker D, Hepler JR. RGS14 limits seizure-induced mitochondrial oxidative stress and pathology in hippocampus. Neurobiol Dis 2023; 181:106128. [PMID: 37075948 PMCID: PMC10259180 DOI: 10.1016/j.nbd.2023.106128] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/02/2023] [Accepted: 04/14/2023] [Indexed: 04/21/2023] Open
Abstract
RGS14 is a complex multifunctional scaffolding protein that is highly enriched within pyramidal cells (PCs) of hippocampal area CA2. In these neurons, RGS14 suppresses glutamate-induced calcium influx and related G protein and ERK signaling in dendritic spines to restrain postsynaptic signaling and plasticity. Previous findings show that, unlike PCs of hippocampal areas CA1 and CA3, CA2 PCs are resistant to a number of neurological insults, including degeneration caused by temporal lobe epilepsy (TLE). While RGS14 is protective against peripheral injury, similar roles for RGS14 during pathological injury in hippocampus remain unexplored. Recent studies showed that area CA2 modulates hippocampal excitability, generates epileptiform activity and promotes hippocampal pathology in animal models and patients with TLE. Because RGS14 suppresses CA2 excitability and signaling, we hypothesized that RGS14 would moderate seizure behavior and early hippocampal pathology following seizure activity, possibly affording protection to CA2 PCs. Using kainic acid (KA) to induce status epilepticus (KA-SE) in mice, we show that the loss of RGS14 (RGS14 KO) accelerated onset of limbic motor seizures and mortality compared to wild type (WT) mice, and that KA-SE upregulated RGS14 protein expression in CA2 and CA1 PCs of WT. Our proteomics data show that the loss of RGS14 impacted the expression of a number of proteins at baseline and after KA-SE, many of which associated unexpectedly with mitochondrial function and oxidative stress. RGS14 was shown to localize to the mitochondria in CA2 PCs of mice and reduce mitochondrial respiration in vitro. As a readout of oxidative stress, we found that RGS14 KO dramatically increased 3- nitrotyrosine levels in CA2 PCs, which was greatly exacerbated following KA-SE and correlated with a lack of superoxide dismutase 2 (SOD2) induction. Assessing for hallmarks of seizure pathology in RGS14 KO, we unexpectedly found no differences in neuronal injury in CA2 PCs. However, we observed a striking and surprising lack of microgliosis in CA1 and CA2 of RGS14 KO compared to WT. Together, our data demonstrate a newly appreciated role for RGS14 in limiting intense seizure activity and pathology in hippocampus. Our findings are consistent with a model where RGS14 limits seizure onset and mortality and, after seizure, is upregulated to support mitochondrial function, prevent oxidative stress in CA2 PCs, and promote microglial activation in hippocampus.
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Affiliation(s)
- N H Harbin
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, 1510 Clifton Rd, 5001 Rollins Research Ctr, Atlanta, GA 30322, United States.
| | - D J Lustberg
- Department of Human Genetics, Emory University School of Medicine, 615 Michael Street, Suite 301, Atlanta, GA 30322, United States
| | - C Hurst
- Department of Biochemistry, Emory University School of Medicine, 1510 Clifton Rd, 4001 Rollins Research Center, Atlanta, GA 30322, United States.
| | - J Pare
- Emory National Primate Research Center, Emory University, 954, Gatewood Rd NE, Atlanta, GA 30329, United States.
| | - K M Crotty
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University, 1364 Clifton Road NE, Suite H-153, Atlanta, GA 30322, United States; Atlanta Veterans Affairs Health Care System, 1670 Clairmont Road, Decatur, GA 30033, United States.
| | - A L Waters
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, 1510 Clifton Rd, 5001 Rollins Research Ctr, Atlanta, GA 30322, United States.
| | - S M Yeligar
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University, 1364 Clifton Road NE, Suite H-153, Atlanta, GA 30322, United States; Atlanta Veterans Affairs Health Care System, 1670 Clairmont Road, Decatur, GA 30033, United States.
| | - Y Smith
- Emory National Primate Research Center, Emory University, 954, Gatewood Rd NE, Atlanta, GA 30329, United States; Department of Neurology, Emory University School of Medicine, 12 Executive Park Dr NE, Atlanta, GA, 30322, United States.
| | - N T Seyfried
- Department of Biochemistry, Emory University School of Medicine, 1510 Clifton Rd, 4001 Rollins Research Center, Atlanta, GA 30322, United States.
| | - D Weinshenker
- Department of Human Genetics, Emory University School of Medicine, 615 Michael Street, Suite 301, Atlanta, GA 30322, United States.
| | - J R Hepler
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, 1510 Clifton Rd, 5001 Rollins Research Ctr, Atlanta, GA 30322, United States.
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34
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Krassnitzer M, Boisvert B, Beiersdorf J, Harkany T, Keimpema E. Resident Astrocytes can Limit Injury to Developing Hippocampal Neurons upon THC Exposure. Neurochem Res 2023; 48:1242-1253. [PMID: 36482034 PMCID: PMC10030412 DOI: 10.1007/s11064-022-03836-1] [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: 10/06/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 12/13/2022]
Abstract
Cannabis legalization prompted the dilemma if plant-derived recreational drugs can have therapeutic potential and, consequently, how to address their regulation and safe distribution. In parallel, the steady worldwide decriminalization of cannabis and the enhanced content of its main psychoactive compound Δ9-tetrahydrocannabinol (THC), exposes populations to increasing amounts of cannabis and THC across all ages. While adverse effects of cannabis during critical stages of fetal neurodevelopment are investigated, these studies center on neurons alone. Thus, a gap of knowledge exists on how intercellular interactions between neighboring cell types, particularly astrocytes and neurons, could modify THC action. Here, we combine transcriptome analysis, transgenic models, high resolution microscopy and live cell imaging to demonstrate that hippocampal astrocytes accumulate in the strata radiatum and lacunosum moleculare of the CA1 subfield, containing particularly sensitive neurons to stressors, upon long term postnatal THC exposure in vivo. As this altered distribution is not dependent on cell proliferation, we propose that resident astrocytes accumulate in select areas to protect pyramidal neurons and their neurite extensions from pathological damage. Indeed, we could recapitulate the neuroprotective effect of astrocytes in vitro, as their physical presence significantly reduced the death of primary hippocampal neurons upon THC exposure (> 5 µM). Even so, astrocytes are also affected by a reduced metabolic readiness to stressors, as reflected by a downregulation of mitochondrial proteins. Thus, we find that astrocytes exert protective functions on local neurons during THC exposure, even though their mitochondrial electron transport chain is disrupted.
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Affiliation(s)
- Maria Krassnitzer
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Brooke Boisvert
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Johannes Beiersdorf
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Tibor Harkany
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
- Department of Neuroscience, Karolinska Institutet, Biomedicum 7D, Solna, Sweden
| | - Erik Keimpema
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria.
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35
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Steiger LJ, Tsintsadze T, Mattheisen GB, Smith SM. Somatic and terminal CB1 receptors are differentially coupled to voltage-gated sodium channels in neocortical neurons. Cell Rep 2023; 42:112247. [PMID: 36933217 PMCID: PMC10106091 DOI: 10.1016/j.celrep.2023.112247] [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: 08/22/2022] [Revised: 01/13/2023] [Accepted: 02/24/2023] [Indexed: 03/19/2023] Open
Abstract
Endogenous cannabinoid signaling is vital for important brain functions, and the same pathways can be modified pharmacologically to treat pain, epilepsy, and posttraumatic stress disorder. Endocannabinoid-mediated changes to excitability are predominantly attributed to 2-arachidonoylglycerol (2-AG) acting presynaptically via the canonical cannabinoid receptor, CB1. Here, we identify a mechanism in the neocortex by which anandamide (AEA), another major endocannabinoid, but not 2-AG, powerfully inhibits somatically recorded voltage-gated sodium channel (VGSC) currents in the majority of neurons. This pathway involves intracellular CB1 that, when activated by anandamide, decreases the likelihood of recurrent action potential generation. WIN 55,212-2 similarly activates CB1 and inhibits VGSC currents, indicating that this pathway is also positioned to mediate the actions of exogenous cannabinoids on neuronal excitability. The coupling between CB1 and VGSCs is absent at nerve terminals, and 2-AG does not block somatic VGSC currents, indicating functional compartmentalization of the actions of two endocannabinoids.
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Affiliation(s)
- Luke J Steiger
- Section of Pulmonary and Critical Care Medicine, VA Portland Health Care System, Portland, OR, USA; Department of Medicine, Division of Pulmonary and Critical Care Medicine, Oregon Health & Science University, Portland, OR 97239, USA
| | - Timur Tsintsadze
- Section of Pulmonary and Critical Care Medicine, VA Portland Health Care System, Portland, OR, USA; Department of Medicine, Division of Pulmonary and Critical Care Medicine, Oregon Health & Science University, Portland, OR 97239, USA
| | - Glynis B Mattheisen
- Section of Pulmonary and Critical Care Medicine, VA Portland Health Care System, Portland, OR, USA; Department of Medicine, Division of Pulmonary and Critical Care Medicine, Oregon Health & Science University, Portland, OR 97239, USA
| | - Stephen M Smith
- Section of Pulmonary and Critical Care Medicine, VA Portland Health Care System, Portland, OR, USA; Department of Medicine, Division of Pulmonary and Critical Care Medicine, Oregon Health & Science University, Portland, OR 97239, USA; Department of Chemical Physiology and Biochemistry, Oregon Health & Science University, Portland, OR 97239, USA.
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36
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Pintori N, Caria F, De Luca MA, Miliano C. THC and CBD: Villain versus Hero? Insights into Adolescent Exposure. Int J Mol Sci 2023; 24:ijms24065251. [PMID: 36982327 PMCID: PMC10048857 DOI: 10.3390/ijms24065251] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/05/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023] Open
Abstract
Cannabis is the most used drug of abuse worldwide. It is well established that the most abundant phytocannabinoids in this plant are Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD). These two compounds have remarkably similar chemical structures yet vastly different effects in the brain. By binding to the same receptors, THC is psychoactive, while CBD has anxiolytic and antipsychotic properties. Lately, a variety of hemp-based products, including CBD and THC, have become widely available in the food and health industry, and medical and recreational use of cannabis has been legalized in many states/countries. As a result, people, including youths, are consuming CBD because it is considered “safe”. An extensive literature exists evaluating the harmful effects of THC in both adults and adolescents, but little is known about the long-term effects of CBD exposure, especially in adolescence. The aim of this review is to collect preclinical and clinical evidence about the effects of cannabidiol.
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Affiliation(s)
- Nicholas Pintori
- Department of Biomedical Sciences, University of Cagliari, 09042 Cagliari, Italy
| | - Francesca Caria
- Department of Biomedical Sciences, University of Cagliari, 09042 Cagliari, Italy
| | - Maria Antonietta De Luca
- Department of Biomedical Sciences, University of Cagliari, 09042 Cagliari, Italy
- Correspondence: ; Tel.: +39-070-6758633
| | - Cristina Miliano
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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Astroglial CB1 receptors, energy metabolism, and gliotransmission: an integrated signaling system? Essays Biochem 2023; 67:49-61. [PMID: 36645029 DOI: 10.1042/ebc20220089] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/06/2022] [Accepted: 12/07/2022] [Indexed: 01/17/2023]
Abstract
Astrocytes are key players in brain homeostasis and function. During the last years, several studies have cemented this notion by showing that these cells respond to neuronal signals and, via the release of molecules that modulate and support synaptic activity (gliotransmission) participates in the functions of the so-called tripartite synapse. Thus, besides their established control of brain metabolism, astrocytes can also actively control synaptic activity and behavior. Among the signaling pathways that shape the functions of astrocyte, the cannabinoid type-1 (CB1) receptor is emerging as a critical player in the control of both gliotransmission and the metabolic cooperation between astrocytes and neurons. In the present short review, we describe known and newly discovered properties of the astroglial CB1 receptors and their role in modulating brain function and behavior. Based on this evidence, we finally discuss how the functions and mode of actions of astrocyte CB1 receptors might represent a clear example of the inextricable relationship between energy metabolism and gliotransmission. These tight interactions will need to be taken into account for future research in astrocyte functions and call for a reinforcement of the theoretical and experimental bridges between studies on metabolic and synaptic functions of astrocytes.
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Franco R, Serrano-Marín J. The unbroken Krebs cycle. Hormonal-like regulation and mitochondrial signaling to control mitophagy and prevent cell death. Bioessays 2023; 45:e2200194. [PMID: 36549872 DOI: 10.1002/bies.202200194] [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: 10/07/2022] [Revised: 12/04/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
The tricarboxylic acid (TCA) or Krebs cycle, which takes place in prokaryotic cells and in the mitochondria of eukaryotic cells, is central to life on Earth and participates in key events such as energy production and anabolic processes. Despite its relevance, it is not perceived as tightly regulated compared to other key metabolisms such as glycolysis/gluconeogenesis. A better understanding of the functioning of the TCA cycle is crucial due to mitochondrial function impairment in several diseases, especially those that occur with neurodegeneration. This article revisits what is known about the regulation of the Krebs cycle and hypothesizes the need for large-scale, rapid regulation of TCA cycle enzyme activity. Evidence of mitochondrial enzyme activity regulation by activation/deactivation of protein kinases and phosphatases exists in the literature. Apart from indirect regulation via G protein-coupled receptors (GPCRs) at the cell surface, signaling upon activation of GPCRs in mitochondrial membranes may lead to a direct regulation of the enzymes of the Krebs cycle. Hormonal-like regulation by posttranscriptional events mediated by activable kinases and phosphatases deserve proper assessment using isolated mitochondria. Also see the video abstract here: https://youtu.be/aBpDSWiMQyI.
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Affiliation(s)
- Rafael Franco
- CiberNed, Network Center for Neurodegenerative Diseases, National Spanish Health Institute Carlos III, Madrid, Spain.,Molecular Neurobiology Laboratory, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona, Barcelona, Spain.,School of Chemistry, Universitat de Barcelona, Barcelona, Spain
| | - Joan Serrano-Marín
- Molecular Neurobiology Laboratory, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona, Barcelona, Spain
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Loss of brain energy metabolism control as a driver for memory impairment upon insulin resistance. Biochem Soc Trans 2023; 51:287-301. [PMID: 36606696 DOI: 10.1042/bst20220789] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 01/07/2023]
Abstract
The pathophysiological mechanisms intersecting metabolic and neurodegenerative disorders include insulin resistance, which has a strong involvement of environmental factors. Besides central regulation of whole-body homeostasis, insulin in the central nervous system controls molecular signalling that is critical for cognitive performance, namely signalling through pathways that modulate synaptic transmission and plasticity, and metabolism in neurons and astrocytes. This review provides an overview on how insulin signalling in the brain might regulate brain energy metabolism, and further identified molecular mechanisms by which brain insulin resistance might impair synaptic fuelling, and lead to cognitive deterioration.
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de Ceglia M, Micioni Di Bonaventura MV, Romano A, Friuli M, Micioni Di Bonaventura E, Gavito AL, Botticelli L, Gaetani S, de Fonseca FR, Cifani C. Anxiety associated with palatable food withdrawal is reversed by the selective FAAH inhibitor PF-3845: A regional analysis of the contribution of endocannabinoid signaling machinery. Int J Eat Disord 2023. [PMID: 36840536 DOI: 10.1002/eat.23917] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 02/26/2023]
Abstract
OBJECTIVE Consumption of energy-dense palatable "comfort" food can alleviate stress and negative emotions, while abrupt withdrawal from a palatable diet can worsen these symptoms, causing difficulties with adherence to weight-loss diets. Currently, no pharmacological treatment is effective for obesity-related anxiety, so we investigated the endocannabinoid system (ECS), and specifically the fatty acid amide hydrolase (FAAH), as an interesting emerging target in this context because of its key role in the regulation of both energy homeostasis and emotional behavior. METHODS Rats were subjected to exposure and subsequent abstinence from a palatable cafeteria diet. During abstinence period, rats were treated with the selective FAAH inhibitor PF-3845 (10 mg/kg; intraperitoneal administration every other day). RESULTS Abstinent rats displayed an anxiogenic-like behavior and changes in the proteins of ECS signaling machinery in brain areas involved both in anxiety and food intake regulation. In particular, withdrawal caused a reduction of the expression of cannabinoid receptors in the nucleus accumbens and of enzymes diacylglycerol lipase alpha and monoacylglycerol lipase (MAGL) in the amygdala. Pharmacological inhibition of FAAH exerted an anxiolytic-like effect in abstinent animals and increased both MAGL expression in amygdala and CB2 expression in prefrontal cortex. DISCUSSION Overall, our results suggest that emotional disturbances associated with dieting are coupled with region-specific alterations in the cerebral expression of the ECS and that the enhancement of the endocannabinoid signaling by FAAH inhibition might represent a novel pharmacological strategy for the treatment of anxiety related to abstinence from palatable food. PUBLIC SIGNIFICANCE The present study focused on evaluating the role of the endocannabinoid system in modulating withdrawal from naturally rewarding activities that have an impact on mood, such as feeding. The variations observed in the emotional behavior of abstinent rats was linked to neuroadaptations of the ECS in specific brain areas.
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Affiliation(s)
- Marialuisa de Ceglia
- UGC Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga-Hospital Universitario Regional de Málaga, Málaga, Spain.,Department of Physiology and Pharmacology "V. Erspamer", Sapienza University of Rome, Rome, Italy
| | | | - Adele Romano
- Department of Physiology and Pharmacology "V. Erspamer", Sapienza University of Rome, Rome, Italy
| | - Marzia Friuli
- Department of Physiology and Pharmacology "V. Erspamer", Sapienza University of Rome, Rome, Italy
| | | | - Ana L Gavito
- UGC Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga-Hospital Universitario Regional de Málaga, Málaga, Spain
| | - Luca Botticelli
- School of Pharmacy, Pharmacology Unit, University of Camerino, Camerino, Italy
| | - Silvana Gaetani
- Department of Physiology and Pharmacology "V. Erspamer", Sapienza University of Rome, Rome, Italy
| | - Fernando Rodríguez de Fonseca
- UGC Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga-Hospital Universitario Regional de Málaga, Málaga, Spain
| | - Carlo Cifani
- School of Pharmacy, Pharmacology Unit, University of Camerino, Camerino, Italy
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Harbin NH, Lustberg DJ, Hurst C, Pare JF, Crotty KM, Waters AL, Yeligar SM, Smith Y, Seyfried NT, Weinshenker D, Hepler JR. RGS14 is neuroprotective against seizure-induced mitochondrial oxidative stress and pathology in hippocampus. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.01.526349. [PMID: 36778349 PMCID: PMC9915580 DOI: 10.1101/2023.02.01.526349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
RGS14 is a complex multifunctional scaffolding protein that is highly enriched within pyramidal cells (PCs) of hippocampal area CA2. There, RGS14 suppresses glutamate-induced calcium influx and related G protein and ERK signaling in dendritic spines to restrain postsynaptic signaling and plasticity. Previous findings show that, unlike PCs of hippocampal areas CA1 and CA3, CA2 PCs are resistant to a number of neurological insults, including degeneration caused by temporal lobe epilepsy (TLE). While RGS14 is protective against peripheral injury, similar roles for RGS14 during pathological injury in hippocampus remain unexplored. Recent studies show that area CA2 modulates hippocampal excitability, generates epileptiform activity and promotes hippocampal pathology in animal models and patients with TLE. Because RGS14 suppresses CA2 excitability and signaling, we hypothesized that RGS14 would moderate seizure behavior and early hippocampal pathology following seizure activity. Using kainic acid (KA) to induce status epilepticus (KA-SE) in mice, we show loss of RGS14 (RGS14 KO) accelerated onset of limbic motor seizures and mortality compared to wild type (WT) mice, and that KA-SE upregulated RGS14 protein expression in CA2 and CA1 PCs of WT. Utilizing proteomics, we saw loss of RGS14 impacted the expression of a number of proteins at baseline and after KA-SE, many of which associated unexpectedly with mitochondrial function and oxidative stress. RGS14 was shown to localize to the mitochondria in CA2 PCs of mice and reduce mitochondrial respiration in vitro . As a readout of oxidative stress, we found RGS14 KO dramatically increased 3-nitrotyrosine levels in CA2 PCs, which was greatly exacerbated following KA-SE and correlated with a lack of superoxide dismutase 2 (SOD2) induction. Assessing for hallmarks of seizure pathology in RGS14 KO, we observed worse neuronal injury in area CA3 (but none in CA2 or CA1), and a lack of microgliosis in CA1 and CA2 compared to WT. Together, our data demonstrates a newly appreciated neuroprotective role for RGS14 against intense seizure activity in hippocampus. Our findings are consistent with a model where, after seizure, RGS14 is upregulated to support mitochondrial function and prevent oxidative stress in CA2 PCs, limit seizure onset and hippocampal neuronal injury, and promote microglial activation in hippocampus.
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Raux PL, Vallée M. Cross-talk between neurosteroid and endocannabinoid systems in cannabis addiction. J Neuroendocrinol 2023; 35:e13191. [PMID: 36043319 DOI: 10.1111/jne.13191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/01/2022] [Accepted: 07/15/2022] [Indexed: 11/30/2022]
Abstract
Steroids and endocannabinoids are part of two modulatory systems and some evidence has shown their interconnections in several functions. Homeostasis is a common steady-state described in the body, which is settled by regulatory systems to counterbalance deregulated or allostatic set points towards an equilibrium. This regulation is of primary significance in the central nervous system for maintaining neuronal plasticity and preventing brain-related disorders. In this context, the recent discovery of the shutdown of the endocannabinoid system (ECS) overload by the neurosteroid pregnenolone has highlighted new endogenous mechanisms of ECS regulation related to cannabis-induced intoxication. These mechanisms involve a regulatory loop mediated by overactivation of the central type-1 cannabinoid receptor (CB1R), which triggers the production of its own regulator, pregnenolone. Therefore, this highlights a new process of regulation of steroidogenesis in the brain. Pregnenolone, long considered an inactive precursor of neurosteroids, can then act as an endogenous negative allosteric modulator of CB1R. The present review aims to shed light on a new framework for the role of ECS in the addictive characteristics of cannabis with the novel endogenous mechanism of ECS involving the neurosteroid pregnenolone. In addition, this new endogenous regulatory loop could provide a relevant therapeutic model in the current context of increasing recreational and medical use of cannabis.
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Affiliation(s)
- Pierre-Louis Raux
- INSERM U1215, Neurocentre Magendie, Group "Physiopathology and Therapeutic Approaches of Stress-Related Disease", Bordeaux, France
- University of Bordeaux, Bordeaux, France
| | - Monique Vallée
- INSERM U1215, Neurocentre Magendie, Group "Physiopathology and Therapeutic Approaches of Stress-Related Disease", Bordeaux, France
- University of Bordeaux, Bordeaux, France
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Patrone LGA, Ferrari GD, da Silva RM, Alberici LC, Lopes NP, Stabile AM, Klein W, Bícego KC, Gargaglioni LH. Sex- and age-specific respiratory alterations induced by prenatal exposure to the cannabinoid receptor agonist WIN 55,212-2 in rats. Br J Pharmacol 2023. [PMID: 36710256 DOI: 10.1111/bph.16044] [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: 01/27/2022] [Revised: 12/19/2022] [Accepted: 01/10/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Cannabis legalization has risen in many countries, and its use during pregnancy has increased. The endocannabinoid system is present in the CNS at early stages of embryonic development, and regulates functional brain maturation including areas responsible for respiratory control, data on the influence of external cannabinoids on the development of the respiratory system and possible consequences during postnatal life are limited. EXPERIMENTAL APPROACH We evaluated the effects of prenatal exposure to synthetic cannabinoid (WIN 55,212-2 [WIN], 0.5 mg·kg-1 ·day-1 ) on the respiratory control system in neonatal (P0, P6-7 and P12-13) and juvenile (P27-28) male and female rats. KEY RESULTS WIN administration to pregnant rats interfered sex-specifically with breathing regulation of offspring, promoting a greater sensitivity to CO2 at all ages in males (except P6-7) and in juvenile females. An altered hypoxic chemoreflex was observed in P0 (hyperventilation) and P6-7 (hypoventilation) males, which was absent in females. Along with breathing alterations, brainstem analysis showed an increase in the number of catecholaminergic neurons and cannabinoid receptor type 1 (CB1 ) and changes in tissue respiration in the early males. A reduction in pulmonary compliance was observed in juvenile male rats. Preexposure to WIN enhanced spontaneous apnoea and reduced the number of serotoninergic (5-HT) neurons in the raphe magnus nucleus of P0 females. CONCLUSIONS AND IMPLICATIONS These data demonstrate that excess stimulation of the endocannabinoid system during gestation has prolonged and sex-specific consequences for the respiratory control system.
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Affiliation(s)
- Luis Gustavo A Patrone
- Department of Animal Morphology and Physiology, São Paulo State University - UNESP/FCAV, Jaboticabal, São Paulo, Brazil
| | - Gustavo D Ferrari
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rodrigo Moreira da Silva
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Luciane C Alberici
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Norberto Peporine Lopes
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Angelita M Stabile
- Department of General and Specialized Nursing, School of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Wilfried Klein
- Department of Biology, School of Philosophy, Sciences and Literature of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Kênia C Bícego
- Department of Animal Morphology and Physiology, São Paulo State University - UNESP/FCAV, Jaboticabal, São Paulo, Brazil
| | - Luciane H Gargaglioni
- Department of Animal Morphology and Physiology, São Paulo State University - UNESP/FCAV, Jaboticabal, São Paulo, Brazil
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Fadó R, Zagmutt S, Herrero L, Muley H, Rodríguez-Rodríguez R, Bi H, Serra D, Casals N. To be or not to be a fat burner, that is the question for cpt1c in cancer cells. Cell Death Dis 2023; 14:57. [PMID: 36693836 PMCID: PMC9873675 DOI: 10.1038/s41419-023-05599-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/25/2023]
Abstract
There is an urgent need to identify reliable genetic biomarkers for accurate diagnosis, prognosis, and treatment of different tumor types. Described as a prognostic marker for many tumors is the neuronal protein carnitine palmitoyltransferase 1 C (CPT1C). Several studies report that CPT1C is involved in cancer cell adaptation to nutrient depletion and hypoxia. However, the molecular role played by CPT1C in cancer cells is controversial. Most published studies assume that, like canonical CPT1 isoforms, CPT1C is a mediator of fatty acid transport to mitochondria for beta-oxidation, despite the fact that CPT1C has inefficient catalytic activity and is located in the endoplasmic reticulum. In this review, we collate existing evidence on CPT1C in neurons, showing that CPT1C is a sensor of nutrients that interacts with and regulates other proteins involved in lipid metabolism and transport, lysosome motility, and the secretory pathway. We argue, therefore, that CPT1C expression in cancer cells is not a direct regulator of fat burn, but rather is a regulator of lipid metabolic reprograming and cell adaptation to environmental stressors. We also review the clinical relevance of CPT1C as a prognostic indicator and its contribution to tumor growth, cancer invasiveness, and cell senescence. This new and integrated vision of CPT1C function can help better understand the metabolic plasticity of cancer cells and improve the design of therapeutic strategies.
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Affiliation(s)
- Rut Fadó
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195, Sant Cugat del Vallès, Spain
- Institut de Neurociències, Universitat Autònoma de Barcelona, E-08193, Bellaterra, Cerdanyola del Vallès, Spain
| | - Sebastian Zagmutt
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195, Sant Cugat del Vallès, Spain
| | - Laura Herrero
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Universitat de Barcelona, E-08028, Barcelona, Spain
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona, E-08028, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Helena Muley
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195, Sant Cugat del Vallès, Spain
| | - Rosalía Rodríguez-Rodríguez
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195, Sant Cugat del Vallès, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Huichang Bi
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Dolors Serra
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Universitat de Barcelona, E-08028, Barcelona, Spain
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona, E-08028, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Núria Casals
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195, Sant Cugat del Vallès, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain.
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Bernal‐Chico A, Tepavcevic V, Manterola A, Utrilla C, Matute C, Mato S. Endocannabinoid signaling in brain diseases: Emerging relevance of glial cells. Glia 2023; 71:103-126. [PMID: 35353392 PMCID: PMC9790551 DOI: 10.1002/glia.24172] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/15/2022] [Accepted: 03/17/2022] [Indexed: 02/06/2023]
Abstract
The discovery of cannabinoid receptors as the primary molecular targets of psychotropic cannabinoid Δ9 -tetrahydrocannabinol (Δ9 -THC) in late 1980s paved the way for investigations on the effects of cannabis-based therapeutics in brain pathology. Ever since, a wealth of results obtained from studies on human tissue samples and animal models have highlighted a promising therapeutic potential of cannabinoids and endocannabinoids in a variety of neurological disorders. However, clinical success has been limited and major questions concerning endocannabinoid signaling need to be satisfactorily addressed, particularly with regard to their role as modulators of glial cells in neurodegenerative diseases. Indeed, recent studies have brought into the limelight diverse, often unexpected functions of astrocytes, oligodendrocytes, and microglia in brain injury and disease, thus providing scientific basis for targeting glial cells to treat brain disorders. This Review summarizes the current knowledge on the molecular and cellular hallmarks of endocannabinoid signaling in glial cells and its clinical relevance in neurodegenerative and chronic inflammatory disorders.
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Affiliation(s)
- Ana Bernal‐Chico
- Department of NeurosciencesUniversity of the Basque Country UPV/EHULeioaSpain,Achucarro Basque Center for NeuroscienceLeioaSpain,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain,Neuroimmunology UnitBiocruces BizkaiaBarakaldoSpain
| | | | - Andrea Manterola
- Department of NeurosciencesUniversity of the Basque Country UPV/EHULeioaSpain,Achucarro Basque Center for NeuroscienceLeioaSpain,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain,Present address:
Parque Científico y Tecnológico de GuipuzkoaViralgenSan SebastianSpain
| | | | - Carlos Matute
- Department of NeurosciencesUniversity of the Basque Country UPV/EHULeioaSpain,Achucarro Basque Center for NeuroscienceLeioaSpain,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain
| | - Susana Mato
- Department of NeurosciencesUniversity of the Basque Country UPV/EHULeioaSpain,Achucarro Basque Center for NeuroscienceLeioaSpain,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain,Neuroimmunology UnitBiocruces BizkaiaBarakaldoSpain
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46
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Martinez Ramirez CE, Ruiz-Pérez G, Stollenwerk TM, Behlke C, Doherty A, Hillard CJ. Endocannabinoid signaling in the central nervous system. Glia 2023; 71:5-35. [PMID: 36308424 PMCID: PMC10167744 DOI: 10.1002/glia.24280] [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: 02/01/2022] [Revised: 09/02/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2022]
Abstract
It is hard to overestimate the influence of the endocannabinoid signaling (ECS) system on central nervous system (CNS) function. In the 40 years since cannabinoids were found to trigger specific cell signaling cascades, studies of the ECS system continue to cause amazement, surprise, and confusion! CB1 cannabinoid receptors are expressed widely in the CNS and regulate cell-cell communication via effects on the release of both neurotransmitters and gliotransmitters. CB2 cannabinoid receptors are difficult to detect in the CNS but seem to "punch above their weight" as compounds targeting these receptors have significant effects on inflammatory state and behavior. Positive and negative allosteric modulators for both receptors have been identified and examined in preclinical studies. Concentrations of the endocannabinoid ligands, N-arachidonoylethanolamine and 2-arachidonoylglycerol (2-AG), are regulated by a combination of enzymatic synthesis and degradation and inhibitors of these processes are available and making their way into clinical trials. Importantly, ECS regulates many essential brain functions, including regulation of reward, anxiety, inflammation, motor control, and cellular development. While the field is on the cusp of preclinical discoveries providing impactful clinical and therapeutic insights into many CNS disorders, there is still much to be learned about this remarkable and versatile modulatory system.
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Affiliation(s)
- César E Martinez Ramirez
- Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Gonzalo Ruiz-Pérez
- Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Todd M Stollenwerk
- Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Christina Behlke
- Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Ashley Doherty
- Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Cecilia J Hillard
- Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Murray CJ, Vecchiarelli HA, Tremblay MÈ. Enhancing axonal myelination in seniors: A review exploring the potential impact cannabis has on myelination in the aged brain. Front Aging Neurosci 2023; 15:1119552. [PMID: 37032821 PMCID: PMC10073480 DOI: 10.3389/fnagi.2023.1119552] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 02/22/2023] [Indexed: 04/11/2023] Open
Abstract
Consumption of cannabis is on the rise as public opinion trends toward acceptance and its consequent legalization. Specifically, the senior population is one of the demographics increasing their use of cannabis the fastest, but research aimed at understanding cannabis' impact on the aged brain is still scarce. Aging is characterized by many brain changes that slowly alter cognitive ability. One process that is greatly impacted during aging is axonal myelination. The slow degradation and loss of myelin (i.e., demyelination) in the brain with age has been shown to associate with cognitive decline and, furthermore, is a common characteristic of numerous neurological diseases experienced in aging. It is currently not known what causes this age-dependent degradation, but it is likely due to numerous confounding factors (i.e., heightened inflammation, reduced blood flow, cellular senescence) that impact the many cells responsible for maintaining overall homeostasis and myelin integrity. Importantly, animal studies using non-human primates and rodents have also revealed demyelination with age, providing a reliable model for researchers to try and understand the cellular mechanisms at play. In rodents, cannabis was recently shown to modulate the myelination process. Furthermore, studies looking at the direct modulatory impact cannabis has on microglia, astrocytes and oligodendrocyte lineage cells hint at potential mechanisms to prevent some of the more damaging activities performed by these cells that contribute to demyelination in aging. However, research focusing on how cannabis impacts myelination in the aged brain is lacking. Therefore, this review will explore the evidence thus far accumulated to show how cannabis impacts myelination and will extrapolate what this knowledge may mean for the aged brain.
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Affiliation(s)
- Colin J. Murray
- Neuroscience Graduate Program, University of Victoria, Victoria, BC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- *Correspondence: Colin J. Murray,
| | | | - Marie-Ève Tremblay
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- Départment de Médicine Moléculaire, Université Laval, Québec City, QC, Canada
- Axe Neurosciences, Center de Recherche du CHU de Québec, Université Laval, Québec City, QC, Canada
- Neurology and Neurosurgery Department, McGill University, Montréal, QC, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
- Centre for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, BC, Canada
- Institute for Aging and Lifelong Health, University of Victoria, Victoria, BC, Canada
- Marie-Ève Tremblay,
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48
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Costas‐Insua C, Guzmán M. Endocannabinoid signaling in glioma. Glia 2023; 71:127-138. [PMID: 35322459 PMCID: PMC9790654 DOI: 10.1002/glia.24173] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/16/2022] [Accepted: 03/17/2022] [Indexed: 12/30/2022]
Abstract
High-grade gliomas constitute the most frequent and aggressive form of primary brain cancer in adults. These tumors express cannabinoid CB1 and CB2 receptors, as well as other elements of the endocannabinoid system. Accruing preclinical evidence supports that pharmacological activation of cannabinoid receptors located on glioma cells exerts overt anti-tumoral effects by modulating key intracellular signaling pathways. The mechanism of this cannabinoid receptor-evoked anti-tumoral activity in experimental models of glioma is intricate and may involve an inhibition not only of cancer cell survival/proliferation, but also of invasiveness, angiogenesis, and the stem cell-like properties of cancer cells, thereby affecting the complex tumor microenvironment. However, the precise biological role of the endocannabinoid system in the generation and progression of glioma seems very context-dependent and remains largely unknown. Increasing our basic knowledge on how (endo)cannabinoids act on glioma cells could help to optimize experimental cannabinoid-based anti-tumoral therapies, as well as the preliminary clinical testing that is currently underway.
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Affiliation(s)
- Carlos Costas‐Insua
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain,Department of Biochemistry and Molecular BiologyInstituto Universitario de Investigación Neuroquímica (IUIN), Complutense UniversityMadridSpain,Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS)MadridSpain
| | - Manuel Guzmán
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain,Department of Biochemistry and Molecular BiologyInstituto Universitario de Investigación Neuroquímica (IUIN), Complutense UniversityMadridSpain,Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS)MadridSpain
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49
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Imperatore R, Cristino L. Assessing CB 1 Expression in the Brain by Immunohistochemical Methods: Light, Confocal, and Electron Microscopy. Methods Mol Biol 2023; 2576:407-424. [PMID: 36152206 DOI: 10.1007/978-1-0716-2728-0_34] [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
Conventional techniques to reveal the neuroanatomical distribution of type 1 cannabinoid receptor (CB1) in the brain, at the cellular and subcellular level, are mainly represented by light, confocal, and electron microscopy. By using immunoperoxidase and immunofluorescence methods, it is possible to reveal CB1 distribution and localization in the brain and its changes under pathological conditions. Moreover, by using electron microscopy, we can define the ultrastructural localization at the level of subcellular structures and organelles. Here, we describe immunoperoxidase, immunofluorescence, and electron microscopy protocols used to get information about CB1 spatial distribution and localization in the brain. Preparation of reagents, resin embedding, preparation for an endogenous activity-blocking step, and background counterstaining and revelation of CB1 by using specific labeled secondary antibodies will be presented. The methods here discussed are highly sensitive and specific multistep processes, where each step is critical to finally obtain an optimum signal.
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Affiliation(s)
- Roberta Imperatore
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Luigia Cristino
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, Pozzuoli, NA, Italy.
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50
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Estrada-Valencia R, de Lima ME, Colonnello A, Rangel-López E, Saraiva NR, de Ávila DS, Aschner M, Santamaría A. The Endocannabinoid System in Caenorhabditis elegans. Rev Physiol Biochem Pharmacol 2023; 184:1-31. [PMID: 34401955 PMCID: PMC8850531 DOI: 10.1007/112_2021_64] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The existence of a formal Endocannabinoid System in C. elegans has been questioned due to data showing the absence of typical cannabinoid receptors in the worm; however, the presence of a full metabolism for endocannabinoids, alternative ligands, and receptors for these agents and a considerable number of orthologous and homologous genes regulating physiological cannabinoid-like signals and responses - several of which are similar to those of mammals - demonstrates a well-structured and functional complex system in nematodes. In this review, we describe and compare similarities and differences between the Endocannabinoid System in mammals and nematodes, highlighting the basis for the integral study of this novel system in the worm.
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Affiliation(s)
| | - María Eduarda de Lima
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, Mexico City, Mexico
| | - Aline Colonnello
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, Mexico City, Mexico
| | - Edgar Rangel-López
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, Mexico City, Mexico
| | - Nariani Rocha Saraiva
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis elegans, UNIPAMPA, Uruguaiana, Brazil
| | - Daiana Silva de Ávila
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis elegans, UNIPAMPA, Uruguaiana, Brazil
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Abel Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, Mexico City, Mexico.
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