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Xu L, Yang Q, Zhou J. Mechanisms of Abnormal Lipid Metabolism in the Pathogenesis of Disease. Int J Mol Sci 2024; 25:8465. [PMID: 39126035 PMCID: PMC11312913 DOI: 10.3390/ijms25158465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 07/26/2024] [Accepted: 07/31/2024] [Indexed: 08/12/2024] Open
Abstract
Lipid metabolism is a critical component in preserving homeostasis and health, and lipids are significant chemicals involved in energy metabolism in living things. With the growing interest in lipid metabolism in recent years, an increasing number of studies have demonstrated the close relationship between abnormalities in lipid metabolism and the development of numerous human diseases, including cancer, cardiovascular, neurological, and endocrine system diseases. Thus, understanding how aberrant lipid metabolism contributes to the development of related diseases and how it works offers a theoretical foundation for treating and preventing related human diseases as well as new avenues for the targeted treatment of related diseases. Therefore, we discuss the processes of aberrant lipid metabolism in various human diseases in this review, including diseases of the cardiovascular system, neurodegenerative diseases, endocrine system diseases (such as obesity and type 2 diabetes mellitus), and other diseases including cancer.
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Affiliation(s)
| | | | - Jinghua Zhou
- School of Basic Medicine Sciences, Hangzhou Normal University, Hangzhou 311121, China
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2
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Panda C, Rathinasabapathy T, Metzger B, Dodson S, Hanson D, Griffiths J, Komarnytsky S. Efficacy and tolerability of full spectrum hemp oil in dogs living with pain in common household settings. Front Vet Sci 2024; 11:1384168. [PMID: 39071787 PMCID: PMC11272626 DOI: 10.3389/fvets.2024.1384168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
Lameness and restricted mobility are a significant concern in companion animals experiencing chronic pain, inflammation, or age-related pathologies. The growing awareness of health risks and side effects associated with the long-term use of prescription analgesics requires different management strategies to address these issues. In this study, we conducted a crossover evaluation of the effect of full spectrum hemp oil dosed orally at 2 mg/kg BID phytocannabinoids for 8 weeks in dogs (n = 37) living with pain in common household settings. Owner-reported canine pain, home activity, accelerometer-based activity, walkway-based gait, and tolerability were assessed at each phase of the study. Secondary endpoints included changes in blood biochemistry, liver enzymes, inflammatory biomarkers, and plasma metabolites. The intervention was positively associated with a decrease in pain scores (-46.2%, p = 0.0016), increased ability to walk up and down the stairs (10.6-14.7%, p < 0.05), and improved daily activity (25.9%, p = 0.0038). Decreases in plasma levels of proinflammatory cytokines TNF-α, IL-6, and IL-8 were also observed. Taken together, these findings suggest that the benefits of nutritional supplementation with hemp oil could include control of pain, greater mobility, and an overall improvement in the animal wellbeing.
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Affiliation(s)
- Chinmayee Panda
- Nutrition Innovation Center, Standard Process, Kannapolis, NC, United States
| | | | - Brandon Metzger
- Nutrition Innovation Center, Standard Process, Kannapolis, NC, United States
| | - Sheila Dodson
- Animal Health Clinical Studies, Lenexa, KS, United States
| | - Dirk Hanson
- Animal Health Clinical Studies, Lenexa, KS, United States
| | - Jody Griffiths
- Nutrition Innovation Center, Standard Process, Kannapolis, NC, United States
| | - Slavko Komarnytsky
- Plants for Human Health Institute, NC State University, Kannapolis, NC, United States
- Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, Raleigh, NC, United States
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3
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Wang PP, Cheng XQ, Dou ZJ, Fan YQ, Chen J, Zhao L, Han JX, Lin XW, Wang B. Inhibiting the CB1 receptor in CIH-induced animal model alleviates colon injury. Appl Microbiol Biotechnol 2024; 108:380. [PMID: 38888634 PMCID: PMC11189354 DOI: 10.1007/s00253-024-13216-0] [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: 01/21/2024] [Revised: 05/26/2024] [Accepted: 06/02/2024] [Indexed: 06/20/2024]
Abstract
Obstructive sleep apnea (OSA) can lead to intestinal injury, endotoxemia, and disturbance of intestinal flora. Additionally, as a crucial component of the endocannabinoid system, some studies have demonstrated that cannabinoid 1 (CB1) receptors are closely linked to the multiple organ dysfunction triggered by OSA. However, the role of the CB1 receptor in alleviating OSA-induced colon injury remains unclear. Here, through the construction of the OSA classic model, we found that the colon tissue of chronic intermittent hypoxia (CIH)-induced mice exhibited an overexpression of the CB1 receptor. The results of hematoxylin-eosin staining and transmission electron microscopy revealed that inhibition of the CB1 receptor could decrease the gap between the mucosa and muscularis mucosae, alleviate mitochondrial swelling, reduce microvilli shedding, and promote the recovery of tight junctions of CIH-induced mice. Furthermore, CB1 receptor inhibition reduced the levels of metabolic endotoxemia and inflammatory responses, exhibiting significant protective effects on the colon injury caused by CIH. At the molecular level, through western blotting and real-time polymerase chain reaction techniques, we found that inhibiting the CB1 receptor can significantly increase the expression of ZO-1 and Occludin proteins, which are closely related to the maintenance of intestinal mucosal barrier function. Through 16S rRNA high-throughput sequencing and short-chain fatty acid (SCFA) determination, we found that inhibition of the CB1 receptor increased the diversity of the microbial flora and controlled the makeup of intestinal flora. Moreover, butyric acid concentration and the amount of SCFA-producing bacteria, such as Ruminococcaceae and Lachnospiraceae, were both markedly elevated by CB1 receptor inhibition. The results of the spearman correlation study indicated that Lachnospiraceae showed a positive association with both ZO-1 and Occludin but was negatively correlated with the colon CB1 receptor, IL-1β, and TNF-α. According to this study, we found that inhibiting CB1 receptor can improve CIH-induced colon injury by regulating gut microbiota, reducing mucosal damage and promoting tight junction recovery. KEY POINTS: •CIH leads to overexpression of CB1 receptor in colon tissue. •CIH causes intestinal flora disorder, intestinal mucosal damage, and disruption of tight junctions. •Inhibition of CB1 receptor can alleviate the colon injury caused by CIH through regulating the gut microbiota, reducing mucosal injury, and promoting tight junction recovery.
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Affiliation(s)
- Pei-Pei Wang
- Department of Respiratory, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xiao-Qian Cheng
- Department of Respiratory, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Zhan-Jun Dou
- Department of Respiratory, Shanxi Cancer Hospital, Taiyuan, China
| | - Yong-Qiang Fan
- Department of General Surgery, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Jie Chen
- Department of Respiratory, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Li Zhao
- Department of Nephrology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jian-Xing Han
- Department of Stomatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xian-Wang Lin
- Department of Respiratory, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Bei Wang
- Department of Respiratory, The Second Hospital of Shanxi Medical University, Taiyuan, China.
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4
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Sampaio L, Campos RMP, Karhson D, Iannotti FA. Editorial: Insights on cannabinoid translational science and medicine: the endocannabinoidome as a target for clinical practice. Front Neurosci 2024; 18:1432892. [PMID: 38887370 PMCID: PMC11180839 DOI: 10.3389/fnins.2024.1432892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 05/20/2024] [Indexed: 06/20/2024] Open
Affiliation(s)
- Luzia Sampaio
- Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Debra Karhson
- Department of Psychology, University of New Orleans, New Orleans, LA, United States
| | - Fabio Arturo Iannotti
- Institute of Biomolecular Chemistry, National Research Council (CNR), Pozzuoli, Italy
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5
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Branković M, Gmizić T, Dukić M, Zdravković M, Daskalović B, Mrda D, Nikolić N, Brajković M, Gojgić M, Lalatović J, Kralj Đ, Pantić I, Vojnović M, Milovanović T, Đurašević S, Todorović Z. Therapeutic Potential of Palmitoylethanolamide in Gastrointestinal Disorders. Antioxidants (Basel) 2024; 13:600. [PMID: 38790705 PMCID: PMC11117950 DOI: 10.3390/antiox13050600] [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: 02/29/2024] [Revised: 05/02/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Palmitoylethanolamide (PEA) is an endocannabinoid-like bioactive lipid mediator belonging to the family of N-acylethanolamines, most abundantly found in peanuts and egg yolk. When the gastrointestinal (GI) effects of PEA are discussed, it must be pointed out that it affects intestinal motility but also modulates gut microbiota. This is due to anti-inflammatory, antioxidant, analgesic, antimicrobial, and immunomodulatory features. Additionally, PEA has shown beneficial effects in several GI diseases, particularly irritable bowel syndrome and inflammatory bowel diseases, as various studies have shown, and it is important to emphasize its relative lack of toxicity, even at high dosages. Unfortunately, there is not enough endogenous PEA to treat disturbed gut homeostasis, even though it is produced in the GI tract in response to inflammatory stimuli, so exogenous intake is mandatory to achieve homeostasis. Intake of PEA could be through animal and/or vegetable food, but bearing in mind that a high dosage is needed to achieve a therapeutic effect, it must be compensated through dietary supplements. There are still open questions pending to be answered, so further studies investigating PEA's effects and mechanisms of action, especially in humans, are crucial to implementing PEA in everyday clinical practice.
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Affiliation(s)
- Marija Branković
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | - Tijana Gmizić
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
| | - Marija Dukić
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
| | - Marija Zdravković
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | | | - Davor Mrda
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
| | - Novica Nikolić
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
| | - Milica Brajković
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | - Milan Gojgić
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
| | - Jovana Lalatović
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
| | - Đorđe Kralj
- University Hospital Medical Center Zvezdara, 11000 Belgrade, Serbia;
| | - Ivana Pantić
- Clinic of Gastroenterology and Hepatology, University Clinical Center of Serbia, 11000 Belgrade, Serbia; (I.P.); (M.V.)
| | - Marko Vojnović
- Clinic of Gastroenterology and Hepatology, University Clinical Center of Serbia, 11000 Belgrade, Serbia; (I.P.); (M.V.)
| | - Tamara Milovanović
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
- Clinic of Gastroenterology and Hepatology, University Clinical Center of Serbia, 11000 Belgrade, Serbia; (I.P.); (M.V.)
| | - Siniša Đurašević
- Department for Comparative Physiology and Ecophysiology, Institute for Physiology and Biochemistry Ivan Đaja, Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia;
| | - Zoran Todorović
- University Hospital Medical Center Bežanijska Kosa, 11000 Belgrade, Serbia; (T.G.); (M.D.); (M.Z.); (D.M.); (N.N.); (M.B.); (J.L.); (Z.T.)
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
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6
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D’Angelo M, Steardo L. Cannabinoids and Sleep: Exploring Biological Mechanisms and Therapeutic Potentials. Int J Mol Sci 2024; 25:3603. [PMID: 38612415 PMCID: PMC11011314 DOI: 10.3390/ijms25073603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/15/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
The endogenous cannabinoid system (ECS) plays a critical role in the regulation of various physiological functions, including sleep, mood, and neuroinflammation. Phytocannabinoids such as Δ9-tetrahydrocannabinol (THC), cannabidiol (CBD), cannabinomimimetics, and some N-acylethanolamides, particularly palmitoyethanolamide, have emerged as potential therapeutic agents for the management of sleep disorders. THC, the psychoactive component of cannabis, may initially promote sleep, but, in the long term, alters sleep architecture, while CBD shows promise in improving sleep quality without psychoactive effects. Clinical studies suggest that CBD modulates endocannabinoid signaling through several receptor sites, offering a multifaceted approach to sleep regulation. Similarly, palmitoylethanolamide (PEA), in addition to interacting with the endocannabinoid system, acts as an agonist on peroxisome proliferator-activated receptors (PPARs). The favorable safety profile of CBD and PEA and the potential for long-term use make them an attractive alternative to conventional pharmacotherapy. The integration of the latter two compounds into comprehensive treatment strategies, together with cognitive-behavioral therapy for insomnia (CBT-I), represents a holistic approach to address the multifactorial nature of sleep disorders. Further research is needed to establish the optimal dosage, safety, and efficacy in different patient populations, but the therapeutic potential of CBD and PEA offers hope for improved sleep quality and general well-being.
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Affiliation(s)
| | - Luca Steardo
- Psychiatry Unit, Department of Health Sciences, University of Catanzaro Magna Graecia, 88100 Catanzaro, Italy;
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Peball M, Heim B, Carbone F, Schorr O, Werkmann M, Ellmerer P, Marini K, Krismer F, Knaus HG, Poewe W, Djamshidian A, Seppi K. Long-term safety and efficacy of open-label nabilone on sleep and pain in Parkinson´s Disease. NPJ Parkinsons Dis 2024; 10:61. [PMID: 38491070 PMCID: PMC10943069 DOI: 10.1038/s41531-024-00665-7] [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: 10/25/2023] [Accepted: 02/21/2024] [Indexed: 03/18/2024] Open
Abstract
The synthetic tetrahydrocannabinol-analog nabilone improved non-motor symptoms (NMS) in Parkinson's disease (PD) patients in a placebo-controlled, double-blind, parallel-group, randomized withdrawal trial with enriched enrollment (NMS-Nab-study). This was a single-center open-label extension study to assess the long-term safety and efficacy of nabilone for NMS in PD. To be eligible for this study, patients had to be treatment responders during the previous NMS-Nab-trial and complete its double-blind phase without experiencing a drug-related serious/severe/moderate adverse event (AE). Patients were re-introduced to nabilone during an up-titration phase until their overall NMS burden improved. Nabilone was continued for six months with clinic visits every 3 months. Evaluation of AEs was based on self-report and clinical assessment. Twenty-two patients participated in the NMS-Nab2-study (age-median 68.33 y, 52% females, disease duration-median 7.42 y). Nabilone was well tolerated with concentration difficulties as the most common treatment-related AE (possibly/not related n = 1 each). One in two drop-outs discontinued because of an AE for which a prohibited concomitant medication needed to be introduced (night-time sleep problems). Efficacy evaluation showed a significant and lasting improvement in NMS burden according to the CGI-I (79% at V3). Nabilone improved overall sleep (NMSS Domain-2: -8.26 points; 95%CI -13.82 to -2.71; p = 0.004; ES = -0.72), night-time sleep problems (MDS-UPDRS-1.7: -1.42 points; 95 CI -2.16 to -0.68; p = 0.002; ES = -0.92), and overall pain (KPPS Total Score: -8.00 points; 95%CI -15.05 to -0.95; p = 0.046; ES -0.55 and MDS-UPDRS-1.9: -0.74 points; 95%CI -1.21 to -0.26; p = 0.008; ES = -0.74). This study demonstrates continuous long-term safety and efficacy in PD patients responding early to nabilone without intolerable side effects.
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Affiliation(s)
- Marina Peball
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria.
| | - Beatrice Heim
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Federico Carbone
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Oliver Schorr
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Mario Werkmann
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Philipp Ellmerer
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Kathrin Marini
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Florian Krismer
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Hans-Günther Knaus
- Department for Medical Genetics, Molecular, and Clinical Pharmacology, Medical University of Innsbruck, Innsbruck, Austria
| | - Werner Poewe
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Atbin Djamshidian
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Klaus Seppi
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria.
- Department of Neurology, District Hospital of Kufstein, Kufstein, Austria.
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8
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Weiermair T, Svehlikova E, Magnes C, Boulgaropoulos B, Altendorfer-Kroath T, Hummer J, Eberl A. Implementation and validation of a UHPLC-MS/MS method for quantification of the endocannabinoids AEA and 2-AG in cerebral interstitial fluid and plasma. J Pharm Biomed Anal 2024; 238:115844. [PMID: 37979522 DOI: 10.1016/j.jpba.2023.115844] [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: 08/17/2023] [Revised: 10/19/2023] [Accepted: 11/02/2023] [Indexed: 11/20/2023]
Abstract
Endogenous endocannabinoids such as N-arachidonoylethanolamine (AEA) and 2-arachidonoylglycerol (2-AG) are involved in the patho-biochemistry of several neurological diseases and have been associated with mood-enhancing phenomena. Although they have been intensively studied in recent years, accurate and reliable quantification of these analytes in cerebral interstitial fluid (cISF) to elucidate their neuro-modulatory role is still challenging. Moreover, there is a need for an analytical method that can analyze plasma in addition to cISF and is thus able to address research questions in both preclinical and clinical studies. Aim was to implement a method for simultaneous quantification of AEA and 2-AG in cISF and plasma, to validate it by taking the requirements of the U.S. Food and Drug Administration into account, and to test its usability in three different case studies. A UHPLC-MS/MS method with preceding liquid-liquid extraction to determine AEA and 2-AG in cISF and plasma was successfully implemented, and the parameters selectivity, specificity, linearity, accuracy, precision, sensitivity, carry-over and stability met the validation criteria. The usability of the analytical method was demonstrated in an in vitro study with cerebral open flow microperfusion (cOFM), an in vivo cOFM study in rats, and a clinical study in human plasma. The developed method allowed quantification of AEA and 2-AG in the biologically relevant concentration ranges in cISF and plasma. The availability of a reliable, complementary, time-resolved dataset of endocannabinoid concentrations in both matrices can be of considerable future importance for the evaluation of drug efficacy.
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Affiliation(s)
- Theresia Weiermair
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Eva Svehlikova
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Christoph Magnes
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Beate Boulgaropoulos
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria; Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Thomas Altendorfer-Kroath
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Joanna Hummer
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Anita Eberl
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria.
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Bäckryd E, Themistocleous A, Stensson N, Rice ASC, Tesfaye S, Bennett DL, Gerdle B, Ghafouri B. Serum levels of endocannabinoids and related lipids in painful vs painless diabetic neuropathy: results from the Pain in Neuropathy Study. Pain 2024; 165:225-232. [PMID: 37578507 PMCID: PMC10723642 DOI: 10.1097/j.pain.0000000000003015] [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: 11/30/2022] [Revised: 06/15/2023] [Accepted: 06/21/2023] [Indexed: 08/15/2023]
Abstract
ABSTRACT N-arachidonoylethanolamine (also known as anandamide) and 2-arachidonoylglycerol are activators of the cannabinoid receptors. The endocannabinoid system also includes structurally and functionally related lipid mediators that do not target cannabinoid receptors, such as oleoylethanolamide, palmitoylethanolamide, and stearoylethanolamide. These bioactive lipids are involved in various physiological processes, including regulation of pain. The primary aim of the study was to analyze associations between serum levels of these lipids and pain in participants in the Pain in Neuropathy Study, an observational, cross-sectional, multicentre, research project in which diabetic patients with painless or painful neuropathy underwent deep phenotyping. Our hypothesis was that painful neuropathy would be associated with higher levels of the 5 lipids compared with painless neuropathy. Secondary aims were to analyze other patient-reported outcome measures and clinical data in relationship to lipid levels. The lipid mediators were analyzed in serum samples using liquid chromatography tandem mass spectrometry (LC-MS/MS). Serum levels of anandamide were significantly higher in the painful group, but the effect size was small (Cohen d = 0.31). Using cluster analysis of lipid data, patients were dichotomized into a "high-level" endocannabinoid group and a "low-level" group. In the high-level group, 61% of patients had painful neuropathy, compared with 45% in the low-level group ( P = 0.039). This work is of a correlative nature only, and the relevance of these findings to the search for analgesics targeting the endocannabinoid system needs to be determined in future studies.
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Affiliation(s)
- Emmanuel Bäckryd
- Pain and Rehabilitation Center, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | | | - Niclas Stensson
- Pain and Rehabilitation Center, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Andrew S. C. Rice
- Pain Research, Department Surgery and Cancer, Faculty of Medicine, Imperial College London, United Kingdom
| | - Solomon Tesfaye
- Diabetes Research Unit, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - David L. Bennett
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Björn Gerdle
- Pain and Rehabilitation Center, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Bijar Ghafouri
- Pain and Rehabilitation Center, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
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10
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Wang W, Sun T. Impact of TRPV1 on Pathogenesis and Therapy of Neurodegenerative Diseases. Molecules 2023; 29:181. [PMID: 38202764 PMCID: PMC10779880 DOI: 10.3390/molecules29010181] [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: 10/25/2023] [Revised: 12/11/2023] [Accepted: 12/11/2023] [Indexed: 01/12/2024] Open
Abstract
Transient receptor potential vanilloid 1 (TRPV1) is a transmembrane and non-selective cation channel protein, which can be activated by various physical and chemical stimuli. Recent studies have shown the strong pathogenetic associations of TRPV1 with neurodegenerative diseases (NDs), in particular Alzheimer's disease (AD), Parkinson's disease (PD) and multiple sclerosis (MS) via regulating neuroinflammation. Therapeutic effects of TRPV1 agonists and antagonists on the treatment of AD and PD in animal models also are emerging. We here summarize the current understanding of TRPV1's effects and its agonists and antagonists as a therapeutic means in neurodegenerative diseases, and highlight future treatment strategies using natural TRPV1 agonists. Developing new targets and applying natural products are becoming a promising direction in the treatment of chronic disorders, especially neurodegenerative diseases.
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Affiliation(s)
| | - Tao Sun
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen 361021, China;
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11
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Iannotti FA. Cannabinoids, Endocannabinoids, and Synthetic Cannabimimetic Molecules in Neuromuscular Disorders. Int J Mol Sci 2023; 25:238. [PMID: 38203407 PMCID: PMC10779239 DOI: 10.3390/ijms25010238] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
Neuromuscular disorders (NMDs) encompass a large heterogeneous group of hereditary and acquired diseases primarily affecting motor neurons, peripheral nerves, and the skeletal muscle system. The symptoms of NMDs may vary depending on the specific condition, but some of the most common ones include muscle weakness, pain, paresthesias, and hyporeflexia, as well as difficulties with swallowing and breathing. NMDs are currently untreatable. Therapeutic options include symptomatic and experimental medications aimed at delaying and alleviating symptoms, in some cases supplemented by surgical and physical interventions. To address this unmet medical need, ongoing research is being conducted on new treatments, including studies on medical cannabis, endocannabinoids, and related molecules with cannabimimetic properties. In this context, a significant amount of knowledge about the safety and effectiveness of cannabinoids in NMDs has been obtained from studies involving patients with multiple sclerosis experiencing pain and spasticity. In recent decades, numerous other preclinical and clinical studies have been conducted to determine the potential benefits of cannabinoids in NMDs. This review article aims to summarize and provide an unbiased point of view on the current knowledge about the use of cannabinoids, endocannabinoids, and synthetic analogs in NMDs, drawing from an array of compelling studies.
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Affiliation(s)
- Fabio Arturo Iannotti
- Institute of Biomolecular Chemistry (ICB), National Research Council of Italy (CNR), 80078 Pozzuoli, NA, Italy
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Ibork H, Idrissi SE, Zulu SS, Miller R, Hajji L, Morgan AM, Taghzouti K, Abboussi O. Effect of Cannabidiol in LPS-Induced Toxicity in Astrocytes: Possible Role for Cannabinoid Type-1 Receptors. Neurotox Res 2023; 41:615-626. [PMID: 37782433 DOI: 10.1007/s12640-023-00671-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 10/03/2023]
Abstract
Cerebral metabolic abnormalities are common in neurodegenerative diseases. Previous studies have shown that mitochondrial damage alters ATP production and increases reactive oxygen species (ROS) release which may contribute to neurodegeneration. In the present study, we investigated the neuroprotective effects of cannabidiol (CBD), a non-psychoactive component derived from marijuana (Cannabis sativa L.), on astrocytic bioenergetic balance in a primary cell culture model of lipopolysaccharide (LPS)-induced neurotoxicity. Astrocytic metabolic profiling using an extracellular flux analyzer demonstrated that CBD decreases mitochondrial proton leak, increased spare respiratory capacity and coupling efficiency in LPS-stimulated astrocytes. Simultaneously, CBD increased astrocytic glycolytic capacity and glycolysis reserve in a cannabinoid receptor type 1 (CB1)-dependent manner. CBD-restored metabolic changes were correlated with a significant decrease in the pro-inflammatory cytokines tumor necrosis factor α (TNFα) and interleukin-6 (IL-6) concentration and reduction of ROS production in LPS-stimulated astrocytes. These results suggest that CBD may inhibit LPS-induced metabolic impairments and inflammation by enhancing astrocytic metabolic glycolysis versus oxidative phosphorylation through its action on CB1 receptors. The present findings suggest CBD as a potential anti-inflammatory treatment in metabolic pathologies and highlight a possible role for the cannabinoidergic system in the modulation of mitochondrial oxidative stress. CBD enhances mitochondrial bioenergetic profile, attenuates proinflammatory cytokines release, and ROS overproduction of astrocytes stimulated by LPS. These effects are not mediated directly by CB1 receptors, while these receptors seem to have a key role in the anti-inflammatory response of the endocannabinoid system on astrocytes, as their specific inhibition by SR141716A led to increased pro-inflammatory cytokines release and ROS production. The graphical abstract is created with BioRender.com.
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Affiliation(s)
- Hind Ibork
- Physiology and Physiopathology Team, Faculty of Sciences, Genomic of Human Pathologies Research Centre, Mohammed V University in Rabat, Rabat, Morocco
| | - Sara El Idrissi
- Physiology and Physiopathology Team, Faculty of Sciences, Genomic of Human Pathologies Research Centre, Mohammed V University in Rabat, Rabat, Morocco
| | - Simo Siyanda Zulu
- Department of Human Biology, Faculty of Health Sciences, Nelson Mandela University, Gqeberha, South Africa
| | - Robert Miller
- Division of Neuroscience, School of Medicine, University of Dundee, Dundee, UK
| | - Lhoussain Hajji
- Bioactives, Health and Environmental Laboratory, Epigenetics Research Team, Moulay Ismail University, Meknes, Morocco
| | | | - Khalid Taghzouti
- Physiology and Physiopathology Team, Faculty of Sciences, Genomic of Human Pathologies Research Centre, Mohammed V University in Rabat, Rabat, Morocco
| | - Oualid Abboussi
- Physiology and Physiopathology Team, Faculty of Sciences, Genomic of Human Pathologies Research Centre, Mohammed V University in Rabat, Rabat, Morocco.
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Trevizani M, Leal LL, Rettore JVP, Macedo GC, Alves CCDS, de Castro SBR, do Carmo AMR, da Silva SA, Maranduba CMDC, Silva FDS. Tumor necrosis factor α, and agonist and antagonists of cannabinoid receptor type 1 and type 2 alter the immunophenotype of stem cells from human exfoliated deciduous teeth. EINSTEIN-SAO PAULO 2023; 21:eAO0405. [PMID: 37970951 PMCID: PMC10631756 DOI: 10.31744/einstein_journal/2023ao0405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 03/19/2023] [Indexed: 11/19/2023] Open
Abstract
OBJECTIVE To verify the involvement of the endocannabinoid system in the immunomodulatory profile of stem cells from human exfoliated deciduous teeth, in the presence or absence of TNF-α, and agonist and antagonists of CB1 and CB2. METHODS Stem cells from human exfoliated deciduous teeth were cultured in the presence or absence of an agonist, anandamide, and two antagonists, AM251 and SR144528, of CB1 and CB2 receptors, with or without TNF-α stimulation. For analysis of immunomodulation, surface molecules linked to immunomodulation, namely human leukocyte antigen-DR isotype (HLA-DR), and programmed death ligands 1 (PD-L1) and 2 (PD-L2) were measured using flow cytometry. RESULTS The inhibition of endocannabinoid receptors together with the proinflammatory effect of TNF-α resulted in increased HLA-DR expression in stem cells from human exfoliated deciduous teeth, as well as, in these cells acquiring an anti-inflammatory profile by enhancing the expression of PD-L1 and PD-L2. CONCLUSION Stem cells from human exfoliated deciduous teeth respond to the endocannabinoid system and TNF-α by altering key immune response molecules. Inhibition of endocannabinoid receptors and TNF-α led to an increase in HLA-DR, PD-L1, and PD-L2 levels in stem cells from human exfoliated deciduous teeth. This study shows the interaction between mesenchymal stromal cells and the immune and endocannabinoid systems.
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Affiliation(s)
- Marizia Trevizani
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - Laís Lopardi Leal
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - João Vitor Paes Rettore
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - Gilson Costa Macedo
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - Caio César de Souza Alves
- Faculdade de Medicina do MucuriUniversidade Federal dos Vales do Jequitinhonha e MucuriTeófilo OtoniMGBrazil Faculdade de Medicina do Mucuri , Universidade Federal dos Vales do Jequitinhonha e Mucuri , Teófilo Otoni , MG , Brazil .
| | - Sandra Bertelli Ribeiro de Castro
- Faculdade de Medicina do MucuriUniversidade Federal dos Vales do Jequitinhonha e MucuriTeófilo OtoniMGBrazil Faculdade de Medicina do Mucuri , Universidade Federal dos Vales do Jequitinhonha e Mucuri , Teófilo Otoni , MG , Brazil .
| | - Antônio Márcio Resende do Carmo
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - Silvioney Augusto da Silva
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - Carlos Magno da Costa Maranduba
- Instituto de Ciências BiológicasUniversidade Federal de Juiz de ForaJuiz de ForaMGBrazil Instituto de Ciências Biológicas , Universidade Federal de Juiz de Fora , Juiz de Fora , MG , Brazil .
| | - Fernando de Sá Silva
- Universidade Federal de Juiz de ForaGovernador ValadaresMGBrazil Universidade Federal de Juiz de Fora , Governador Valadares , MG , Brazil .
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Zamith Cunha R, Salamanca G, Mille F, Delprete C, Franciosi C, Piva G, Gramenzi A, Chiocchetti R. Endocannabinoid System Receptors at the Hip and Stifle Joints of Middle-Aged Dogs: A Novel Target for the Therapeutic Use of Cannabis sativa Extract in Canine Arthropathies. Animals (Basel) 2023; 13:2833. [PMID: 37760233 PMCID: PMC10525782 DOI: 10.3390/ani13182833] [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: 06/30/2023] [Revised: 07/24/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023] Open
Abstract
The endocannabinoid system (ECS) has emerged as a potential therapeutic target in veterinary medicine due to its involvement in a wide range of physiological processes including pain, inflammation, immune function, and neurological function. Modulation of the ECS receptors has been shown to have anti-inflammatory, analgesic, and immunomodulatory effects in various animal models of disease, including dogs with osteoarthritis. The goal of this study was to identify and compare the cellular expression and distribution of cannabinoid receptor type 1 (CB1R) and type 2 (CB2R) and the cannabinoid-related G protein-coupled receptor 55 (GPR55) on the synovial cells of hip and stifle joints of seven dogs of different breeds without overt signs of osteoarthritis (OA). The synovial membranes of seven hips and seven stifle joints were harvested post mortem. The expression of the CB1R, CB2R, and GPR55 present in the synovial tissues was investigated using qualitative and quantitative immunofluorescence and Western blot (Wb) analysis. Synoviocytes of the stifle and hip joints expressed CB1R, CB2R, and GPR55 immunoreactivity (IR); no significant differences were observed for each different joint. Cannabinoid receptor 2- and GPR55-IR were also expressed by macrophages, neutrophils, and vascular cells. The ECS receptors were widely expressed by the synovial elements of dogs without overt signs of OA. It suggests that the ECS could be a target for the therapeutic use of Cannabis sativa extract in canine arthropathies.
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Affiliation(s)
- Rodrigo Zamith Cunha
- Department of Veterinary Medical Sciences, University of Bologna, 40126 Bologna, Italy; (R.Z.C.); (G.S.); (F.M.)
- Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy;
| | - Giulia Salamanca
- Department of Veterinary Medical Sciences, University of Bologna, 40126 Bologna, Italy; (R.Z.C.); (G.S.); (F.M.)
| | - Fanny Mille
- Department of Veterinary Medical Sciences, University of Bologna, 40126 Bologna, Italy; (R.Z.C.); (G.S.); (F.M.)
| | - Cecilia Delprete
- Laboratory of Cellular Physiology, Department of Pharmacy and Biotechnology (FaBiT), University of Bologna, 40126 Bologna, Italy; (C.D.); (C.F.)
| | - Cecilia Franciosi
- Laboratory of Cellular Physiology, Department of Pharmacy and Biotechnology (FaBiT), University of Bologna, 40126 Bologna, Italy; (C.D.); (C.F.)
| | - Giuliano Piva
- Veterinary Clinic Dr. Giuliano Piva, 41049 Sassuolo, Italy;
| | - Alessandro Gramenzi
- Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy;
| | - Roberto Chiocchetti
- Department of Veterinary Medical Sciences, University of Bologna, 40126 Bologna, Italy; (R.Z.C.); (G.S.); (F.M.)
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15
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Maccarrone M, Di Marzo V, Gertsch J, Grether U, Howlett AC, Hua T, Makriyannis A, Piomelli D, Ueda N, van der Stelt M. Goods and Bads of the Endocannabinoid System as a Therapeutic Target: Lessons Learned after 30 Years. Pharmacol Rev 2023; 75:885-958. [PMID: 37164640 PMCID: PMC10441647 DOI: 10.1124/pharmrev.122.000600] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 05/12/2023] Open
Abstract
The cannabis derivative marijuana is the most widely used recreational drug in the Western world and is consumed by an estimated 83 million individuals (∼3% of the world population). In recent years, there has been a marked transformation in society regarding the risk perception of cannabis, driven by its legalization and medical use in many states in the United States and worldwide. Compelling research evidence and the Food and Drug Administration cannabis-derived cannabidiol approval for severe childhood epilepsy have confirmed the large therapeutic potential of cannabidiol itself, Δ9-tetrahydrocannabinol and other plant-derived cannabinoids (phytocannabinoids). Of note, our body has a complex endocannabinoid system (ECS)-made of receptors, metabolic enzymes, and transporters-that is also regulated by phytocannabinoids. The first endocannabinoid to be discovered 30 years ago was anandamide (N-arachidonoyl-ethanolamine); since then, distinct elements of the ECS have been the target of drug design programs aimed at curing (or at least slowing down) a number of human diseases, both in the central nervous system and at the periphery. Here a critical review of our knowledge of the goods and bads of the ECS as a therapeutic target is presented to define the benefits of ECS-active phytocannabinoids and ECS-oriented synthetic drugs for human health. SIGNIFICANCE STATEMENT: The endocannabinoid system plays important roles virtually everywhere in our body and is either involved in mediating key processes of central and peripheral diseases or represents a therapeutic target for treatment. Therefore, understanding the structure, function, and pharmacology of the components of this complex system, and in particular of key receptors (like cannabinoid receptors 1 and 2) and metabolic enzymes (like fatty acid amide hydrolase and monoacylglycerol lipase), will advance our understanding of endocannabinoid signaling and activity at molecular, cellular, and system levels, providing new opportunities to treat patients.
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Affiliation(s)
- Mauro Maccarrone
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Vincenzo Di Marzo
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Jürg Gertsch
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Uwe Grether
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Allyn C Howlett
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Tian Hua
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Alexandros Makriyannis
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Daniele Piomelli
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Natsuo Ueda
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
| | - Mario van der Stelt
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy (M.M.); European Center for Brain Research, Santa Lucia Foundation, Rome, Italy (M.M.); Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, University of Laval, Quebec, Canada (V.D.); Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bern, Switzerland (J.G.); Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (U.G.); Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (A.C.H.); iHuman Institute, ShanghaiTech University, Shanghai, China (T.H.); Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts (A.M.); Departments of Pharmaceutical Sciences and Biological Chemistry, University of California, Irvine, California (D.P.); Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan (N.U.); Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands (M.S.)
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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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17
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Alam MR, Singh S. Neuromodulation in Parkinson's disease targeting opioid and cannabinoid receptors, understanding the role of NLRP3 pathway: a novel therapeutic approach. Inflammopharmacology 2023:10.1007/s10787-023-01259-0. [PMID: 37318694 DOI: 10.1007/s10787-023-01259-0] [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: 04/25/2023] [Accepted: 05/26/2023] [Indexed: 06/16/2023]
Abstract
Parkinson's disease (PD) is a prevalent neurodegenerative disorder characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars compacta, resulting in motor and non-motor symptoms. Although levodopa is the primary medication for PD, its long-term use is associated with complications such as dyskinesia and drug resistance, necessitating novel therapeutic approaches. Recent research has highlighted the potential of targeting opioid and cannabinoid receptors as innovative strategies for PD treatment. Modulating opioid transmission, particularly through activating µ (MOR) and δ (DOR) receptors while inhibiting κ (KOR) receptors, shows promise in preventing motor complications and reducing L-DOPA-induced dyskinesia. Opioids also possess neuroprotective properties and play a role in neuroprotection and seizure control. Similar to this, endocannabinoid signalling via CB1 and CB2 receptors influences the basal ganglia and may contribute to PD pathophysiology, making it a potential therapeutic target. In addition to opioid and cannabinoid receptor targeting, the NLRP3 pathway, implicated in neuroinflammation and neurodegeneration, emerges as another potential therapeutic avenue for PD. Recent studies suggest that targeting this pathway holds promise as a therapeutic strategy for PD management. This comprehensive review focuses on neuromodulation and novel therapeutic approaches for PD, specifically highlighting the targeting of opioid and cannabinoid receptors and the NLRP3 pathway. A better understanding of these mechanisms has the potential to enhance the quality of life for PD patients.
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Affiliation(s)
- Md Reyaz Alam
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Shamsher Singh
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India.
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18
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Fordjour E, Manful CF, Sey AA, Javed R, Pham TH, Thomas R, Cheema M. Cannabis: a multifaceted plant with endless potentials. Front Pharmacol 2023; 14:1200269. [PMID: 37397476 PMCID: PMC10308385 DOI: 10.3389/fphar.2023.1200269] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/30/2023] [Indexed: 07/04/2023] Open
Abstract
Cannabis sativa, also known as "hemp" or "weed," is a versatile plant with various uses in medicine, agriculture, food, and cosmetics. This review attempts to evaluate the available literature on the ecology, chemical composition, phytochemistry, pharmacology, traditional uses, industrial uses, and toxicology of Cannabis sativa. So far, 566 chemical compounds have been isolated from Cannabis, including 125 cannabinoids and 198 non-cannabinoids. The psychoactive and physiologically active part of the plant is a cannabinoid, mostly found in the flowers, but also present in smaller amounts in the leaves, stems, and seeds. Of all phytochemicals, terpenes form the largest composition in the plant. Pharmacological evidence reveals that the plants contain cannabinoids which exhibit potential as antioxidants, antibacterial agents, anticancer agents, and anti-inflammatory agents. Furthermore, the compounds in the plants have reported applications in the food and cosmetic industries. Significantly, Cannabis cultivation has a minimal negative impact on the environment in terms of cultivation. Most of the studies focused on the chemical make-up, phytochemistry, and pharmacological effects, but not much is known about the toxic effects. Overall, the Cannabis plant has enormous potential for biological and industrial uses, as well as traditional and other medicinal uses. However, further research is necessary to fully understand and explore the uses and beneficial properties of Cannabis sativa.
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Affiliation(s)
- Eric Fordjour
- School of Science and the Environment, Memorial University of Newfoundland, Corner Brook, NL, Canada
- Biotron Experimental Climate Change Research Centre/Department of Biology, University of Western Ontario, London, ON, Canada
| | - Charles F. Manful
- School of Science and the Environment, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Albert A. Sey
- School of Science and the Environment, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Rabia Javed
- School of Science and the Environment, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Thu Huong Pham
- School of Science and the Environment, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Raymond Thomas
- Biotron Experimental Climate Change Research Centre/Department of Biology, University of Western Ontario, London, ON, Canada
| | - Mumtaz Cheema
- School of Science and the Environment, Memorial University of Newfoundland, Corner Brook, NL, Canada
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19
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Grabon W, Rheims S, Smith J, Bodennec J, Belmeguenai A, Bezin L. CB2 receptor in the CNS: from immune and neuronal modulation to behavior. Neurosci Biobehav Rev 2023; 150:105226. [PMID: 37164044 DOI: 10.1016/j.neubiorev.2023.105226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/20/2023] [Accepted: 05/06/2023] [Indexed: 05/12/2023]
Abstract
Despite low levels of cannabinoid receptor type 2 (CB2R) expression in the central nervous system in human and rodents, a growing body of evidence shows CB2R involvement in many processes at the behavioral level, through both immune and neuronal modulations. Recent in vitro and in vivo evidence have highlighted the complex role of CB2R under physiological and inflammatory conditions. Under neuroinflammatory states, its activation seems to protect the brain and its functions, making it a promising target in a wide range of neurological disorders. Here, we provide a complete and updated overview of CB2R function in the central nervous system of rodents, spanning from modulation of immune function in microglia but also in other cell types, to behavior and neuronal activity, in both physiological and neuroinflammatory contexts.
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Affiliation(s)
- Wanda Grabon
- Université Claude Bernard Lyon 1, CNRS, Inserm, Centre de Recherche en Neurosciences de Lyon, U10208 UMR5292, TIGER Team - F-69500 Bron, France; Epilepsy Institute IDEE, 59 boulevard Pinel - F-69500 Bron, France.
| | - Sylvain Rheims
- Université Claude Bernard Lyon 1, CNRS, Inserm, Centre de Recherche en Neurosciences de Lyon, U10208 UMR5292, TIGER Team - F-69500 Bron, France; Epilepsy Institute IDEE, 59 boulevard Pinel - F-69500 Bron, France; Department of Functional Neurology and Epileptology, Hospices Civils de Lyon - France
| | - Jonathon Smith
- Université Claude Bernard Lyon 1, CNRS, Inserm, Centre de Recherche en Neurosciences de Lyon, U10208 UMR5292, TIGER Team - F-69500 Bron, France; Epilepsy Institute IDEE, 59 boulevard Pinel - F-69500 Bron, France
| | - Jacques Bodennec
- Université Claude Bernard Lyon 1, CNRS, Inserm, Centre de Recherche en Neurosciences de Lyon, U10208 UMR5292, TIGER Team - F-69500 Bron, France; Epilepsy Institute IDEE, 59 boulevard Pinel - F-69500 Bron, France
| | - Amor Belmeguenai
- Université Claude Bernard Lyon 1, CNRS, Inserm, Centre de Recherche en Neurosciences de Lyon, U10208 UMR5292, TIGER Team - F-69500 Bron, France; Epilepsy Institute IDEE, 59 boulevard Pinel - F-69500 Bron, France
| | - Laurent Bezin
- Université Claude Bernard Lyon 1, CNRS, Inserm, Centre de Recherche en Neurosciences de Lyon, U10208 UMR5292, TIGER Team - F-69500 Bron, France.
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20
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Santos-García I, Rodríguez-Cueto C, Villegas P, Piscitelli F, Lauritano A, Shen CKJ, Di Marzo V, Fernández-Ruiz J, de Lago E. Preclinical investigation in FAAH inhibition as a neuroprotective therapy for frontotemporal dementia using TDP-43 transgenic male mice. J Neuroinflammation 2023; 20:108. [PMID: 37149645 PMCID: PMC10163746 DOI: 10.1186/s12974-023-02792-z] [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: 08/24/2022] [Accepted: 04/24/2023] [Indexed: 05/08/2023] Open
Abstract
BACKGROUND Frontotemporal dementia (FTD) is a heterogeneous group of early onset and progressive neurodegenerative disorders, characterized by degeneration in the frontal and temporal lobes, which causes deterioration in cognition, personality, social behavior and language. Around 45% of the cases are characterized by the presence of aggregates of the RNA-binding protein TDP-43. METHODS In this study, we have used a murine model of FTD that overexpresses this protein exclusively in the forebrain (under the control of the CaMKIIα promoter) for several biochemical, histological and pharmacological studies focused on the endocannabinoid system. RESULTS These mice exhibited at postnatal day 90 (PND90) important cognitive deficits, signs of emotional impairment and disinhibited social behaviour, which were, in most of cases, maintained during the first year of life of these animals. Motor activity was apparently normal, but FTD mice exhibited higher mortality. Their MRI imaging analysis and their ex-vivo histopathological evaluation proved changes compatible with atrophy (loss of specific groups of pyramidal neurons: Ctip2- and NeuN-positive cells) and inflammatory events (astroglial and microglial reactivities) in both cortical (medial prefrontal cortex) and subcortical (hippocampus) structures at PND90 and also at PND365. The analysis of the endocannabinoid system in these mice proved a decrease in the hydrolysing enzyme FAAH in the prefrontal cortex and the hippocampus, with an increase in the synthesizing enzyme NAPE-PLD only in the hippocampus, responses that were accompanied by modest elevations in anandamide and related N-acylethanolamines. The potentiation of these elevated levels of anandamide after the pharmacological inactivation of FAAH with URB597 resulted in a general improvement in behaviour, in particular in cognitive deterioration, associated with the preservation of pyramidal neurons of the medial prefrontal cortex and the CA1 layer of the hippocampus, and with the reduction of gliosis in both structures. CONCLUSIONS Our data confirmed the potential of elevating the endocannabinoid tone as a therapy against TDP-43-induced neuropathology in FTD, limiting glial reactivity, preserving neuronal integrity and improving cognitive, emotional and social deficits.
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Affiliation(s)
- Irene Santos-García
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense, 28040, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Carmen Rodríguez-Cueto
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense, 28040, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Patricia Villegas
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense, 28040, Madrid, Spain
| | - Fabiana Piscitelli
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale Delle Ricerche Pozzuoli, Naples, Italy
| | - Anna Lauritano
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale Delle Ricerche Pozzuoli, Naples, Italy
| | - Che-Kun J Shen
- The PhD Program for Neural Regenerative Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale Delle Ricerche Pozzuoli, Naples, Italy
- Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, CRIUCPQ and INAF, Centre NUTRISS, Faculties of Medicine and Agriculture and Food Sciences, Université Laval, Quebéc City, QC, G1V 0A6, Canada
| | - Javier Fernández-Ruiz
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense, 28040, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
| | - Eva de Lago
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense, 28040, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
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21
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de Aguiar AC, Vardanega R, Viganó J, Silva EK. Supercritical Carbon Dioxide Technology for Recovering Valuable Phytochemicals from Cannabis sativa L. and Valorization of Its Biomass for Food Applications. Molecules 2023; 28:molecules28093849. [PMID: 37175258 PMCID: PMC10180460 DOI: 10.3390/molecules28093849] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/28/2023] [Accepted: 04/29/2023] [Indexed: 05/15/2023] Open
Abstract
Supercritical carbon dioxide (CO2) extraction techniques meet all-new consumer market demands for health-promoting phytochemical compound-rich extracts produced from green and sustainable technology. In this regard, this review is dedicated to discussing is the promise of integrating high-pressure CO2 technologies into the Cannabis sativa L. processing chain to valorize its valuable pharmaceutical properties and food biomass. To do this, the cannabis plant, cannabinoids, and endocannabinoid system were reviewed to understand their therapeutic and side effects. The supercritical fluid extraction (SFE) technique was presented as a smart alternative to producing cannabis bioproducts. The impact of SFE operating conditions on cannabis compound extraction was examined for aerial parts (inflorescences, stems, and leaves), seeds, and byproducts. Furthermore, the opportunities of using non-thermal supercritical CO2 processing on cannabis biomass were addressed for industrial hemp valorization, focusing on its biorefinery to simultaneously produce cannabidiol and new ingredients for food applications as plant-based products.
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Affiliation(s)
- Ana Carolina de Aguiar
- Centro de Ciências da Natureza, Universidade Federal de São Carlos, Rod. Lauri Simões de Barros, km 12-SP 189, Buri 18290-000, SP, Brazil
- School of Food Engineering, University of Campinas, Campinas 13083-970, SP, Brazil
| | - Renata Vardanega
- Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | - Juliane Viganó
- Centro de Ciências da Natureza, Universidade Federal de São Carlos, Rod. Lauri Simões de Barros, km 12-SP 189, Buri 18290-000, SP, Brazil
| | - Eric Keven Silva
- School of Food Engineering, University of Campinas, Campinas 13083-970, SP, Brazil
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22
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Qiu Y, Zhao Y, Hu T, Yang M, Li F, Li C, Gu W, Yang X, Zhao S, Tao H. Development of Yin-Yang ligand for cannabinoid receptors. Bioorg Chem 2023; 133:106377. [PMID: 36731294 DOI: 10.1016/j.bioorg.2023.106377] [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: 11/07/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/22/2023]
Abstract
Cannabinoid receptors (CBs), including CB1 and CB2, are the key components of a lipid signaling endocannabinoid system (ECS). Development of synthetic cannabinoids has been attractive to modulate ECS functions. CB1 and CB2 are structurally closely related subtypes but with distinct functions. While most efforts focus on the development of selective ligands for single subtype to circumvent the undesired off-target effect, Yin-Yang ligands with opposite pharmacological activities simultaneously on two subtypes, offer unique therapeutic potential. Herein we report the development of a new Yin-Yang ligand which functions as an antagonist for CB1 and concurrently an agonist for CB2. We found that in the pyrazole-cored scaffold, the arm of N1-phenyl group could be a switch, modification of which yielded various ligands with distinct activities. As such, the ortho-morpholine substitution exerted the desired Yin-Yang bifunctionality which, based on the docking study and molecular dynamic simulation, was proposed to be resulted from the hydrogen bonding with S173 and S285 in CB1 and CB2, respectively. Our results demonstrated the feasibility of structure guided ligand evolution for challenging Yin-Yang ligand.
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Affiliation(s)
- Yanli Qiu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yitian Zhao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Tao Hu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Meifang Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fei Li
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Cuixia Li
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Weiliang Gu
- Department of Pharmacology, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiaodi Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Houchao Tao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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23
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Tang TYC, Kim JS, Das A. Role of omega-3 and omega-6 endocannabinoids in cardiopulmonary pharmacology. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2023; 97:375-422. [PMID: 37236765 DOI: 10.1016/bs.apha.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Endocannabinoids are derived from dietary omega-3 and omega-6 fatty acids and play an important role in regulation of inflammation, development, neurodegenerative diseases, cancer, and cardiovascular diseases. They elicit this effect via interactions with cannabinoid receptors 1 and 2 which are also targeted by plant derived cannabinoid from cannabis. The evidence of the involvement of the endocannabinoid system in cardiopulmonary function comes from studies that show that cannabis consumption leads to cardiovascular effect such as arrythmia and is beneficial in lung cancer patients. Moreover, omega-3 and omega-6 endocannabinoids play several important roles in cardiopulmonary system such as causing airway relaxation, suppressing atherosclerosis and hypertension. These effects are mediated via the cannabinoids receptors that are abundant in the cardiopulmonary system. Overall, this chapter reviews the known role of phytocannabinoids and endocannabinoids in the cardiopulmonary context.
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Affiliation(s)
- Tiffany Y-C Tang
- School of Chemistry and Biochemistry, College of Sciences. Georgia Institute of Technology, Parker H. Petit Institute for Bioengineering and Biosciences, Atlanta, GA, United States
| | - Justin S Kim
- School of Chemistry and Biochemistry, College of Sciences. Georgia Institute of Technology, Parker H. Petit Institute for Bioengineering and Biosciences, Atlanta, GA, United States
| | - Aditi Das
- School of Chemistry and Biochemistry, College of Sciences. Georgia Institute of Technology, Parker H. Petit Institute for Bioengineering and Biosciences, Atlanta, GA, United States.
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24
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Palmitoylethanolamide in the Treatment of Chronic Pain: A Systematic Review and Meta-Analysis of Double-Blind Randomized Controlled Trials. Nutrients 2023; 15:nu15061350. [PMID: 36986081 PMCID: PMC10053226 DOI: 10.3390/nu15061350] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/08/2023] [Accepted: 03/08/2023] [Indexed: 03/12/2023] Open
Abstract
Chronic pain is a major source of morbidity for which there are limited effective treatments. Palmitoylethanolamide (PEA), a naturally occurring fatty acid amide, has demonstrated utility in the treatment of neuropathic and inflammatory pain. Emerging reports have supported a possible role for its use in the treatment of chronic pain, although this remains controversial. We undertook a systematic review and meta-analysis to examine the efficacy of PEA as an analgesic agent for chronic pain. A systematic literature search was performed, using the databases MEDLINE and Web of Science, to identify double-blind randomized controlled trials comparing PEA to placebo or active comparators in the treatment of chronic pain. All articles were independently screened by two reviewers. The primary outcome was pain intensity scores, for which a meta-analysis was undertaken using a random effects statistical model. Secondary outcomes including quality of life, functional status, and side effects are represented in a narrative synthesis. Our literature search identified 253 unique articles, of which 11 were ultimately included in the narrative synthesis and meta-analysis. Collectively, these articles described a combined sample size of 774 patients. PEA was found to reduce pain scores relative to comparators in a pooled estimate, with a standard mean difference of 1.68 (95% CI 1.05 to 2.31, p = 0.00001). Several studies reported additional benefits of PEA for quality of life and functional status, and no major side effects were attributed to PEA in any study. The results of this systematic review and meta-analysis suggest that PEA is an effective and well-tolerated treatment for chronic pain. Further study is warranted to determine the optimal dosing and administration parameters of PEA for analgesic effects in the context of chronic pain.
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25
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Kalkan H, Pagano E, Paris D, Panza E, Cuozzo M, Moriello C, Piscitelli F, Abolghasemi A, Gazzerro E, Silvestri C, Capasso R, Motta A, Russo R, Di Marzo V, Iannotti FA. Targeting gut dysbiosis against inflammation and impaired autophagy in Duchenne muscular dystrophy. EMBO Mol Med 2023; 15:e16225. [PMID: 36594243 PMCID: PMC9994484 DOI: 10.15252/emmm.202216225] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 01/04/2023] Open
Abstract
Nothing is known about the potential implication of gut microbiota in skeletal muscle disorders. Here, we provide evidence that fecal microbiota composition along with circulating levels of short-chain fatty acids (SCFAs) and related metabolites are altered in the mdx mouse model of Duchenne muscular dystrophy (DMD) compared with healthy controls. Supplementation with sodium butyrate (NaB) in mdx mice rescued muscle strength and autophagy, and prevented inflammation associated with excessive endocannabinoid signaling at CB1 receptors to the same extent as deflazacort (DFZ), the standard palliative care for DMD. In LPS-stimulated C2C12 myoblasts, NaB reduces inflammation, promotes autophagy, and prevents dysregulation of microRNAs targeting the endocannabinoid CB1 receptor gene, in a manner depending on the activation of GPR109A and PPARγ receptors. In sum, we propose a novel disease-modifying approach in DMD that may have benefits also in other muscular dystrophies.
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Affiliation(s)
- Hilal Kalkan
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
| | - Ester Pagano
- Department of Pharmacy, University Federico II of Naples, Italy
| | - Debora Paris
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
| | | | | | - Claudia Moriello
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
| | - Fabiana Piscitelli
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
| | - Armita Abolghasemi
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and Institut Sur la Nutrition et Les Aliments Fonctionnels, Centre NUTRISS, Université Laval, Quebec City, QC, Canada
| | - Elisabetta Gazzerro
- Unit of Muscle Research, Experimental and Clinical Research Center Charité Universitätsmedizin and Max Delbrück Research Center, Berlin, Germany
| | - Cristoforo Silvestri
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and Institut Sur la Nutrition et Les Aliments Fonctionnels, Centre NUTRISS, Université Laval, Quebec City, QC, Canada
| | - Raffaele Capasso
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Andrea Motta
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
| | - Roberto Russo
- Department of Pharmacy, University Federico II of Naples, Italy
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and Institut Sur la Nutrition et Les Aliments Fonctionnels, Centre NUTRISS, Université Laval, Quebec City, QC, Canada
| | - Fabio Arturo Iannotti
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, Italy
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26
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Ahluwalia M, Mcmichael H, Kumar M, Espinosa MP, Bosomtwi A, Lu Y, Khodadadi H, Jarrahi A, Khan MB, Hess DC, Rahimi SY, Vender JR, Vale FL, Braun M, Baban B, Dhandapani KM, Vaibhav K. Altered endocannabinoid metabolism compromises the brain-CSF barrier and exacerbates chronic deficits after traumatic brain injury in mice. Exp Neurol 2023; 361:114320. [PMID: 36627040 PMCID: PMC9904276 DOI: 10.1016/j.expneurol.2023.114320] [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: 10/02/2022] [Revised: 12/07/2022] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
Endocannabinoids [2-arachidonoylglycerol (2-AG) and N-arachidonoylethanolamine (AEA)], endogenously produced arachidonate-based lipids, are anti-inflammatory physiological ligands for two known cannabinoid receptors, CB1 and CB2, yet the molecular and cellular mechanisms underlying their effects after brain injury are poorly defined. In the present study, we hypothesize that traumatic brain injury (TBI)-induced loss of endocannabinoids exaggerates neurovascular injury, compromises brain-cerebrospinal fluid (CSF) barriers (BCB) and causes behavioral dysfunction. Preliminary analysis in human CSF and plasma indicates changes in endocannabinoid levels. This encouraged us to investigate the levels of endocannabinoid-metabolizing enzymes in a mouse model of controlled cortical impact (CCI). Reductions in endocannabinoid (2-AG and AEA) levels in plasma were supported by higher expression of their respective metabolizing enzymes, monoacylglycerol lipase (MAGL), fatty acid amide hydrolase (FAAH), and cyclooxygenase 2 (Cox-2) in the post-TBI mouse brain. Following increased metabolism of endocannabinoids post-TBI, we observed increased expression of CB2, non-cannabinoid receptor Transient receptor potential vanilloid-1 (TRPV1), aquaporin 4 (AQP4), ionized calcium binding adaptor molecule 1 (IBA1), glial fibrillary acidic protein (GFAP), and acute reduction in cerebral blood flow (CBF). The BCB and pericontusional cortex showed altered endocannabinoid expressions and reduction in ventricular volume. Finally, loss of motor functions and induced anxiety behaviors were observed in these TBI mice. Taken together, our findings suggest endocannabinoids and their metabolizing enzymes play an important role in the brain and BCB integrity and highlight the need for more extensive studies on these mechanisms.
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Affiliation(s)
- Meenakshi Ahluwalia
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Hannah Mcmichael
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Manish Kumar
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Mario P Espinosa
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Asamoah Bosomtwi
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Yujiao Lu
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Hesam Khodadadi
- Department of Oral Biology and Diagnostic Sciences, Center for Excellence in Research, Scholarship and Innovation, Dental College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Abbas Jarrahi
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Mohammad Badruzzaman Khan
- Department of Neurology, Neuroscience Center of Excellence, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - David C Hess
- Department of Neurology, Neuroscience Center of Excellence, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Scott Y Rahimi
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - John R Vender
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Fernando L Vale
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Molly Braun
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America; Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA, United States of America; VISN 20 Mental Illness Research, Education and Clinical Center (MIRECC), VA Puget Sound Health Care System, Seattle, WA, United States of America
| | - Babak Baban
- Department of Oral Biology and Diagnostic Sciences, Center for Excellence in Research, Scholarship and Innovation, Dental College of Georgia, Augusta University, Augusta, GA, United States of America; Department of Neurology, Neuroscience Center of Excellence, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Krishnan M Dhandapani
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America
| | - Kumar Vaibhav
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, United States of America; Department of Oral Biology and Diagnostic Sciences, Center for Excellence in Research, Scholarship and Innovation, Dental College of Georgia, Augusta University, Augusta, GA, United States of America.
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Chu L, Shu Z, Gu X, Wu Y, Yang J, Deng H. The Endocannabinoid System as a Potential Therapeutic Target for HIV-1-Associated Neurocognitive Disorder. Cannabis Cannabinoid Res 2023. [PMID: 36745405 DOI: 10.1089/can.2022.0267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Background: Despite the successful introduction of combined antiretroviral therapy, the prevalence of mild to moderate forms of HIV-associated neurocognitive disorders (HAND) remains high. It has been demonstrated that neuronal injury caused by HIV is excitotoxic and inflammatory, and it correlates with neurocognitive decline in HAND. Endocannabinoid system (ECS) protects the body from excitotoxicity and neuroinflammation on demand and presents a promising therapeutic target for treating HAND. Here, we firstly discuss the potential pathogenesis of HAND. We secondly discuss the structural and functional changes in the ECS that are currently known among HAND patients. We thirdly discuss current clinical and preclinical findings concerning the neuroprotective and anti-inflammatory properties of the ECS among HAND patients. Fourth, we will discuss the interactions between the ECS and neuroendocrine systems, including the hypothalamic-pituitary-adrenocortical (HPA) and hypothalamic-pituitary-gonadal (HPG) axes under the HAND conditions. Materials and Methods: We have carried out a review of the literature using PubMed to summarize the current state of knowledge on the association between ECS and HAND. Results: The ECS may be ideally suited for modulation of HAND pathophysiology. Direct activation of presynaptic cannabinoid receptor 1 or reduction of cannabinoid metabolism attenuates HAND excitotoxicity. Chronic neuroinflammation associated with HAND can be reduced by activating cannabinoid receptor 2 on immune cells. The sensitivity of the ECS to HIV may be enhanced by increased cannabinoid receptor expression in HAND. In addition, indirect regulation of the ECS through modulation of hormone-related receptors may be a potential strategy to influence the ECS and also alleviate the progression of HAND due to the reciprocal inhibition of the ECS by the HPA and HPG axes. Conclusions: Taken together, targeting the ECS may be a promising strategy to alleviate the inflammation and neurodegeneration caused by HIV-1 infection. Further studies are required to clarify the role of endocannabinoid signaling in HIV neurotoxicity. Strategies promoting endocannabinoid signaling may slow down cognitive decline of HAND are proposed.
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Affiliation(s)
- Liuxi Chu
- Department of Brain and Learning Science, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China.,Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China.,Department of Child Development and Education, Research Center for Learning Science, Southeast University, Nanjing, China
| | - Zheng Shu
- Clinical Nutrition Department, The Third Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Xinpei Gu
- Department of Human Anatomy, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Yan Wu
- Department of Brain and Learning Science, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China.,Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China.,Department of Child Development and Education, Research Center for Learning Science, Southeast University, Nanjing, China
| | - Jin Yang
- Department of Child Development and Education, Research Center for Learning Science, Southeast University, Nanjing, China.,Department of Child and Adolescent Hygienics, School of Public Health, Southeast University, Nanjing, China
| | - Huihua Deng
- Department of Brain and Learning Science, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China.,Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China.,Department of Child Development and Education, Research Center for Learning Science, Southeast University, Nanjing, China
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28
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Ren SY, Sun ZL, Yang J. The use of biochemical indexes in hair for clinical studies of psychiatric diseases: What can we learn about mental disease from hair? J Psychiatr Res 2023; 158:305-313. [PMID: 36628872 DOI: 10.1016/j.jpsychires.2023.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 12/25/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
Analysis of hair samples provides unique advantages, including non-invasive sampling, sample stability, and the possibility of additional optimization of high sensitivity detection methods. Hair sample analysis is often used in psychiatric disease research to evaluate previous periods of stress encountered by patients. Glucocorticoid analysis is the most frequently tested indicator of stress. Furthermore, the hypothalamus-pituitary-gonad axis and endocannabinoid system also are involved in the occurrence and development of mental disorders. The endocannabinoid and sex hormone levels in patients experiencing mental illness are considerably different from levels observed in healthy individuals. Nevertheless, due to the different methods used to assess the degree of disease and the range of analytical methods involved in clinical research, the trends in changes for these biomarkers are not uniform. The correlations between changes in biomarker concentrations and illness severity also are not clear. The observed alterations suggest these biochemical substances in hair have potential as biomarkers for diagnosis or predictive treatment. However, the variable results obtained thus far could hamper further development of hair samples for clinical assessment in psychiatric disorders. This article summarizes the published reports documenting the changes in the content of relevant substances in hair in individuals experiencing mental illness and the degree of correlation. In the discussion section, we proposed several issues that should be considered in future studies of hair samples obtained from patients with mental disorders to promote the use of hair sample assessment as an aid in diagnosis or predictive treatment.
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Affiliation(s)
- Si-Yu Ren
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Zuo-Li Sun
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Jian Yang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China.
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29
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De Nunzio V, Carrieri L, Scavo MP, Lippolis T, Cofano M, Caponio GR, Tutino V, Rizzi F, Depalo N, Osella AR, Notarnicola M. Plasma-Derived Exosomes from NAFLD Patients Modulate the Cannabinoid Receptors' Expression in Cultured HepaRG Cells. Int J Mol Sci 2023; 24:ijms24021739. [PMID: 36675254 PMCID: PMC9862025 DOI: 10.3390/ijms24021739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/18/2023] Open
Abstract
Exosomes produced by hepatocytes upon lipotoxic insult play a relevant role in pathogenesis of nonalcoholic fatty liver disease (NAFLD), suggesting an inflammatory response by the activation of monocytes and macrophages and accelerating the disease progression. In the pathogenesis of NAFLD and liver fibrosis, the endogenous cannabinoids and their major receptors CB1 and CB2 appear to be highly involved. This study aimed at evaluating the expression of cannabinoids receptors (CB1R and CB2R) in plasma-derived exosomes extracted from patients with NAFLD, as well as investigating the in vitro effects of the circulating exosomes in cultured human HepaRG cells following their introduction into the culture medium. The results demonstrated that plasma-derived exosomes from NAFLD patients are vehicles for the transport of CB1R and are able to modulate CB receptors' expression in HepaRG cells. In particular, circulating exosomes from NAFLD patients are inflammatory drivers for HepaRG cells, acting through CB1R activation and the downregulation of CB2R. Moreover, CB1R upregulation was associated with increased expression levels of PPAR-γ, a well-known mediator of liver tissue injury. In conclusion, this study provides evidence for CB1R transport by exosomes and suggests that the in vitro effects of circulating exosomes from NAFLD patients are mediated by the expression of cannabinoid receptors.
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Affiliation(s)
- Valentina De Nunzio
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Livianna Carrieri
- Laboratory of Personalized Medicine, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Maria Principia Scavo
- Laboratory of Personalized Medicine, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Tamara Lippolis
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Miriam Cofano
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Giusy Rita Caponio
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Valeria Tutino
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Federica Rizzi
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
- Institute for Chemical-Physical Processes (IPCF), Council National Research (CNR) Bari, Via Orabona 4, 70125 Bari, Italy
| | - Nicoletta Depalo
- Institute for Chemical-Physical Processes (IPCF), Council National Research (CNR) Bari, Via Orabona 4, 70125 Bari, Italy
| | - Alberto Ruben Osella
- Laboratory of Epidemiolgy and Biostatistics, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Maria Notarnicola
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
- Correspondence: ; Tel.: +39-080-4994342
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30
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Grabon W, Bodennec J, Rheims S, Belmeguenai A, Bezin L. Update on the controversial identity of cells expressing cnr2 gene in the nervous system. CNS Neurosci Ther 2023; 29:760-770. [PMID: 36604187 PMCID: PMC9928557 DOI: 10.1111/cns.13977] [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: 05/26/2022] [Revised: 07/29/2022] [Accepted: 08/25/2022] [Indexed: 01/07/2023] Open
Abstract
The function of cannabinoid receptor type 2 (CB2R), mainly expressed by leukocytes, has long been limited to its peripheral immunomodulatory role. However, the use of CB2R-specific ligands and the availability of CB2R-Knock Out mice revealed that it could play a functional role in the CNS not only under physiological but also under pathological conditions. A direct effect on the nervous system emerged when CB2R mRNA was detected in neural tissues. However, accurate mapping of CB2R protein expression in the nervous system is still lacking, partly because of the lack of specificity of antibodies available. This review examines the regions and cells of the nervous system where CB2R protein is most likely present by cross-referencing mRNA and protein data published to date. Of the many antibodies developed to target CB2R, only a few have partially passed specificity tests and detected CB2R in the CNS. Efforts must be continued to support the development of more specific and better validated antibodies in each of the species in which CB2R protein is sought or needs to be quantified.
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Affiliation(s)
- Wanda Grabon
- Lyon Neuroscience Research CenterTIGER TeamBronFrance,Lyon 1 UniversityCNRS UMR 5292, Inserm U1028VilleurbanneFrance,Epilepsy Institute IDEEBronFrance
| | - Jacques Bodennec
- Lyon Neuroscience Research CenterTIGER TeamBronFrance,Lyon 1 UniversityCNRS UMR 5292, Inserm U1028VilleurbanneFrance,Epilepsy Institute IDEEBronFrance
| | - Sylvain Rheims
- Lyon Neuroscience Research CenterTIGER TeamBronFrance,Lyon 1 UniversityCNRS UMR 5292, Inserm U1028VilleurbanneFrance,Epilepsy Institute IDEEBronFrance
| | - Amor Belmeguenai
- Lyon Neuroscience Research CenterTIGER TeamBronFrance,Lyon 1 UniversityCNRS UMR 5292, Inserm U1028VilleurbanneFrance,Epilepsy Institute IDEEBronFrance
| | - Laurent Bezin
- Lyon Neuroscience Research CenterTIGER TeamBronFrance,Lyon 1 UniversityCNRS UMR 5292, Inserm U1028VilleurbanneFrance,Epilepsy Institute IDEEBronFrance
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31
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Paes-Colli Y, Trindade PMP, Vitorino LC, Piscitelli F, Iannotti FA, Campos RMP, Isaac AR, de Aguiar AFL, Allodi S, de Mello FG, Einicker-Lamas M, de Siqueira-Santos R, Di Marzo V, Tannous BA, Carvalho LA, De Melo Reis RA, Sampaio LS. Activation of cannabinoid type 1 receptor (CB1) modulates oligodendroglial process branching complexity in rat hippocampal cultures stimulated by olfactory ensheathing glia-conditioned medium. Front Cell Neurosci 2023; 17:1134130. [PMID: 37138770 PMCID: PMC10150319 DOI: 10.3389/fncel.2023.1134130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 03/16/2023] [Indexed: 05/05/2023] Open
Abstract
The endocannabinoid system (ECS) refers to a complex cell-signaling system highly conserved among species formed by numerous receptors, lipid mediators (endocannabinoids) and synthetic and degradative enzymes. It is widely distributed throughout the body including the CNS, where it participates in synaptic signaling, plasticity and neurodevelopment. Besides, the olfactory ensheathing glia (OEG) present in the olfactory system is also known to play an important role in the promotion of axonal growth and/or myelination. Therefore, both OEG and the ECS promote neurogenesis and oligodendrogenesis in the CNS. Here, we investigated if the ECS is expressed in cultured OEG, by assessing the main markers of the ECS through immunofluorescence, western blotting and qRT-PCR and quantifying the content of endocannabinoids in the conditioned medium of these cells. After that, we investigated whether the production and release of endocannabinoids regulate the differentiation of oligodendrocytes co-cultured with hippocampal neurons, through Sholl analysis in oligodendrocytes expressing O4 and MBP markers. Additionally, we evaluated through western blotting the modulation of downstream pathways such as PI3K/Akt/mTOR and ERK/MAPK, being known to be involved in the proliferation and differentiation of oligodendrocytes and activated by CB1, which is the major endocannabinoid responsive receptor in the brain. Our data show that OEG expresses key genes of the ECS, including the CB1 receptor, FAAH and MAGL. Besides, we were able to identify AEA, 2-AG and AEA related mediators palmitoylethanolamide (PEA) and oleoylethanolamide (OEA), in the conditioned medium of OEG cultures. These cultures were also treated with URB597 10-9 M, a FAAH selective inhibitor, or JZL184 10-9 M, a MAGL selective inhibitor, which led to the increase in the concentrations of OEA and 2-AG in the conditioned medium. Moreover, we found that the addition of OEG conditioned medium (OEGCM) enhanced the complexity of oligodendrocyte process branching in hippocampal mixed cell cultures and that this effect was inhibited by AM251 10-6 M, a CB1 receptor antagonist. However, treatment with the conditioned medium enriched with OEA or 2-AG did not alter the process branching complexity of premyelinating oligodendrocytes, while decreased the branching complexity in mature oligodendrocytes. We also observed no change in the phosphorylation of Akt and ERK 44/42 in any of the conditions used. In conclusion, our data show that the ECS modulates the number and maturation of oligodendrocytes in hippocampal mixed cell cultures.
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Affiliation(s)
- Yolanda Paes-Colli
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Priscila M. P. Trindade
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Louise C. Vitorino
- Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fabiana Piscitelli
- Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, CNR, Pozzuoli, Italy
| | - Fabio Arturo Iannotti
- Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, CNR, Pozzuoli, Italy
| | - Raquel M. P. Campos
- Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alinny R. Isaac
- Laboratório de Doenças Neurodegenerativas, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrey Fabiano Lourenço de Aguiar
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Silvana Allodi
- Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernando G. de Mello
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcelo Einicker-Lamas
- Laboratório de Biomembranas, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Raphael de Siqueira-Santos
- Laboratório de Agregação de Proteínas e Amiloidoses, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, CNR, Pozzuoli, Italy
- Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis, Laval University, Quebec, QC, Canada
| | - Bakhos A. Tannous
- Experimental Therapeutics and Molecular Imaging Laboratory, Massachusetts General Hospital, Boston, MA, United States
- Neuroscience Program, Harvard Medical School, Boston, MA, United States
| | - Litia A. Carvalho
- Experimental Therapeutics and Molecular Imaging Laboratory, Massachusetts General Hospital, Boston, MA, United States
- Neuroscience Program, Harvard Medical School, Boston, MA, United States
| | - Ricardo A. De Melo Reis
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luzia S. Sampaio
- Laboratório de Neuroquímica, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- *Correspondence: Luzia S. Sampaio,
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Gómez-Cañas M, Rodríguez-Cueto C, Satta V, Hernández-Fisac I, Navarro E, Fernández-Ruiz J. Endocannabinoid-Binding Receptors as Drug Targets. Methods Mol Biol 2023; 2576:67-94. [PMID: 36152178 DOI: 10.1007/978-1-0716-2728-0_6] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Cannabis plant has been used from ancient times with therapeutic purposes for treating human pathologies, but the identification of the cellular and molecular mechanisms underlying the therapeutic properties of the phytocannabinoids, the active compounds in this plant, occurred in the last years of the past century. In the late 1980s and early 1990s, seminal studies demonstrated the existence of cannabinoid receptors and other elements of the so-called endocannabinoid system. These G protein-coupled receptors (GPCRs) are a key element in the functions assigned to endocannabinoids and appear to serve as promising pharmacological targets. They include CB1, CB2, and GPR55, but also non-GPCRs can be activated by endocannabinoids, like ionotropic receptor TRPV1 and even nuclear receptors of the PPAR family. Their activation, inhibition, or simply modulation have been associated with numerous physiological effects at both central and peripheral levels, which may have therapeutic value in different human pathologies, then providing a solid experimental explanation for both the ancient medicinal uses of Cannabis plant and the recent advances in the development of cannabinoid-based specific therapies. This chapter will review the scientific knowledge generated in the last years around the research on the different endocannabinoid-binding receptors and their signaling mechanisms. Our intention is that this knowledge may help readers to understand the relevance of these receptors in health and disease conditions, as well as it may serve as the theoretical basis for the different experimental protocols to investigate these receptors and their signaling mechanisms that will be described in the following chapters.
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Affiliation(s)
- María Gómez-Cañas
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Carmen Rodríguez-Cueto
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Valentina Satta
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Inés Hernández-Fisac
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | - Elisa Navarro
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Javier Fernández-Ruiz
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain.
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
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Mock ED, Gagestein B, van der Stelt M. Anandamide and other N-acylethanolamines: A class of signaling lipids with therapeutic opportunities. Prog Lipid Res 2023; 89:101194. [PMID: 36150527 DOI: 10.1016/j.plipres.2022.101194] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 01/18/2023]
Abstract
N-acylethanolamines (NAEs), including N-palmitoylethanolamine (PEA), N-oleoylethanolamine (OEA), N-arachidonoylethanolamine (AEA, anandamide), N-docosahexaenoylethanolamine (DHEA, synaptamide) and their oxygenated metabolites are a lipid messenger family with numerous functions in health and disease, including inflammation, anxiety and energy metabolism. The NAEs exert their signaling role through activation of various G protein-coupled receptors (cannabinoid CB1 and CB2 receptors, GPR55, GPR110, GPR119), ion channels (TRPV1) and nuclear receptors (PPAR-α and PPAR-γ) in the brain and periphery. The biological role of the oxygenated NAEs, such as prostamides, hydroxylated anandamide and DHEA derivatives, are less studied. Evidence is accumulating that NAEs and their oxidative metabolites may be aberrantly regulated or are associated with disease severity in obesity, metabolic syndrome, cancer, neuroinflammation and liver cirrhosis. Here, we comprehensively review NAE biosynthesis and degradation, their metabolism by lipoxygenases, cyclooxygenases and cytochrome P450s and the biological functions of these signaling lipids. We discuss the latest findings and therapeutic potential of modulating endogenous NAE levels by inhibition of their degradation, which is currently under clinical evaluation for neuropsychiatric disorders. We also highlight NAE biosynthesis inhibition as an emerging topic with therapeutic opportunities in endocannabinoid and NAE signaling.
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Affiliation(s)
- Elliot D Mock
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University and Oncode Institute, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Berend Gagestein
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University and Oncode Institute, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Mario van der Stelt
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University and Oncode Institute, Einsteinweg 55, Leiden 2333 CC, The Netherlands.
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34
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Schiano Moriello A, Roviezzo F, Iannotti FA, Rea G, Allarà M, Camerlingo R, Verde R, Di Marzo V, Petrosino S. First Evidence of the Protective Effects of 2-Pentadecyl-2-Oxazoline (PEA-OXA) in In Vitro Models of Acute Lung Injury. Biomolecules 2022; 13:biom13010033. [PMID: 36671418 PMCID: PMC9855419 DOI: 10.3390/biom13010033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a serious inflammatory lung disorder and a complication of SARS-CoV-2 infection. In patients with severe SARS-CoV-2 infection, the transition to ARDS is principally due to the occurrence of a cytokine storm and an exacerbated inflammatory response. The effectiveness of ultra-micronized palmitoylethanolamide (PEA-um) during the earliest stage of COVID-19 has already been suggested. In this study, we evaluated its protective effects as well as the effectiveness of its congener, 2-pentadecyl-2-oxazoline (PEA-OXA), using in vitro models of acute lung injury. In detail, human lung epithelial cells (A549) activated by polyinosinic-polycytidylic acid (poly-(I:C)) or Transforming Growth Factor-beta (TGF-β) were treated with PEA-OXA or PEA. The release of IL-6 and the appearance of Epithelial-Mesenchymal Transition (EMT) were measured by ELISA and immunofluorescence assays, respectively. A possible mechanism of action for PEA-OXA and PEA was also investigated. Our results showed that both PEA-OXA and PEA were able to counteract poly-(I:C)-induced IL-6 release, as well as to revert TGF-β-induced EMT. In addition, PEA was able to produce an "entourage" effect on the levels of the two endocannabinoids AEA and 2-AG, while PEA-OXA only increased PEA endogenous levels, in poly-(I:C)-stimulated A549 cells. These results evidence for the first time the superiority of PEA-OXA over PEA in exerting protective effects and point to PEA-OXA as a new promising candidate in the management of acute lung injury.
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Affiliation(s)
- Aniello Schiano Moriello
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
- Epitech Group SpA, Saccolongo, 35100 Padova, Italy
| | - Fiorentina Roviezzo
- Department of Pharmacy, University of Naples Federico II, 80138 Naples, Italy
| | - Fabio Arturo Iannotti
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
| | - Giuseppina Rea
- Microenvironment Molecular Targets, National Cancer Institute G. Pascale Foundation, IRCCS, 80131 Naples, Italy
| | - Marco Allarà
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
- Epitech Group SpA, Saccolongo, 35100 Padova, Italy
| | - Rosa Camerlingo
- Cellular Biology and Biotherapy-Research Department, National Cancer Institute G. Pascale Foundation, IRCCS, 80131 Naples, Italy
| | - Roberta Verde
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
- Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, CRIUCPQ and INAF, Faculties of Medicine and Agriculture and Food Sciences, Université Laval, Quebec City, QC G1V 4G5, Canada
- Correspondence: (V.D.); (S.P.)
| | - Stefania Petrosino
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
- Epitech Group SpA, Saccolongo, 35100 Padova, Italy
- Correspondence: (V.D.); (S.P.)
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35
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Singlár Z, Ganbat N, Szentesi P, Osgonsandag N, Szabó L, Telek A, Fodor J, Dienes B, Gönczi M, Csernoch L, Sztretye M. Genetic Manipulation of CB1 Cannabinoid Receptors Reveals a Role in Maintaining Proper Skeletal Muscle Morphology and Function in Mice. Int J Mol Sci 2022; 23:ijms232415653. [PMID: 36555292 PMCID: PMC9779148 DOI: 10.3390/ijms232415653] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
The endocannabinoid system (ECS) refers to a widespread signaling system and its alteration is implicated in a growing number of human diseases. Cannabinoid receptors (CBRs) are highly expressed in the central nervous system and many peripheral tissues. Evidence suggests that CB1Rs are expressed in human and murine skeletal muscle mainly in the cell membrane, but a subpopulation is present also in the mitochondria. However, very little is known about the latter population. To date, the connection between the function of CB1Rs and the regulation of intracellular Ca2+ signaling has not been investigated yet. Tamoxifen-inducible skeletal muscle-specific conditional CB1 knock-down (skmCB1-KD, hereafter referred to as Cre+/-) mice were used in this study for functional and morphological analysis. After confirming CB1R down-regulation on the mRNA and protein level, we performed in vitro muscle force measurements and found that peak twitch, tetanus, and fatigue were decreased significantly in Cre+/- mice. Resting intracellular calcium concentration, voltage dependence of the calcium transients as well as the activity dependent mitochondrial calcium uptake were essentially unaltered by Cnr1 gene manipulation. Nevertheless, we found striking differences in the ultrastructural architecture of the mitochondrial network of muscle tissue from the Cre+/- mice. Our results suggest a role of CB1Rs in maintaining physiological muscle function and morphology. Targeting ECS could be a potential tool in certain diseases, including muscular dystrophies where increased endocannabinoid levels have already been described.
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Affiliation(s)
- Zoltán Singlár
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
- Doctoral School of Molecular Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - Nyamkhuu Ganbat
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
- Doctoral School of Molecular Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - Péter Szentesi
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - Nomin Osgonsandag
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - László Szabó
- Doctoral School of Molecular Medicine, University of Debrecen, 4012 Debrecen, Hungary
- Cell Physiology Research Group, Eötvös Loránd Research Network (ELKH), 4012 Debrecen, Hungary
| | - Andrea Telek
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - János Fodor
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - Beatrix Dienes
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
| | - Mónika Gönczi
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
- Cell Physiology Research Group, Eötvös Loránd Research Network (ELKH), 4012 Debrecen, Hungary
| | - László Csernoch
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
- Cell Physiology Research Group, Eötvös Loránd Research Network (ELKH), 4012 Debrecen, Hungary
| | - Mónika Sztretye
- Department of Physiology, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary
- Cell Physiology Research Group, Eötvös Loránd Research Network (ELKH), 4012 Debrecen, Hungary
- Correspondence:
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36
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In utero exposure to cannabidiol disrupts select early-life behaviors in a sex-specific manner. Transl Psychiatry 2022; 12:501. [PMID: 36470874 PMCID: PMC9722662 DOI: 10.1038/s41398-022-02271-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 11/15/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
Cannabidiol (CBD), one of the main components of cannabis, is generally considered safe. CBD crosses the placenta and its use during pregnancy is steadily increasing, the impact of gestational CBD's effects on prenatal life and neurodevelopment are poorly understood. Here, we combined behavioral approaches and deep learning analysis to assess the sex-dependent neonatal behavior of CBD exposed progeny. Gestating C57BL6/J dams were exposed daily with vehicle or CBD (3 mg/Kg, s.c.), from gestational day 5 to 18. Body weight, pup ultrasound vocalizations (USVs, PND 10) and homing behavior (PND 13) were quantified in the progeny. Thus, male (but not female) pups from CBD-treated dams gained more weight than sham. There were sex-dependent differences in the coarse characteristics of ultrasonic vocalizations. Prenatally-CBD exposed male pups emitted shorter calls, whereas CBD females made more high frequency calls when compared with their control counterparts. There were significant qualitative changes in the syllabic USV repertoire reflected in call typologies and communication patterns. Finally, the homing behavior test showed that CBD-exposed females presented a greater vulnerability to gestational CBD than males. Only CBD-exposed female pups showed reduced motor and discriminatory abilities. Together the results suggest a sexual divergence in the consequences of in utero CBD exposure on neonates at early developmental ages, which may be predictive of adult psychopathology. Given the extent of cannabis and CBD use worldwide, these findings challenge the idea that CBD is a universally safe compound and reveal the need for additional studies on the effect of perinatal CBD exposure.
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Pasquaré SJ, Chamorro-Aguirre E, Gaveglio VL. The endocannabinoid system in the visual process. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2022. [DOI: 10.1016/j.jpap.2022.100159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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38
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Song R, Wang X, Deng S, Tao N. Lipidomic analysis and triglyceride profiles of fish oil: Preparation through silica gel column and enzymatic treatment. Food Res Int 2022; 162:112100. [DOI: 10.1016/j.foodres.2022.112100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/08/2022]
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39
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Simon A, von Einem T, Seidinger A, Matthey M, Bindila L, Wenzel D. The endocannabinoid anandamide is an airway relaxant in health and disease. Nat Commun 2022; 13:6941. [PMID: 36396957 PMCID: PMC9672354 DOI: 10.1038/s41467-022-34327-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 10/21/2022] [Indexed: 11/18/2022] Open
Abstract
Chronic obstructive airway diseases are a global medical burden that is expected to increase in the near future. However, the underlying mechanistic processes are poorly understood so far. Herein, we show that the endocannabinoid anandamide (AEA) induces prominent airway relaxation in vitro and in vivo. In contrast to 2-arachidonlyglycerol-induced airway relaxation, this is mediated by fatty acid amide hydrolase (FAAH)-dependent metabolites. In particular, we identify mouse and also human epithelial and airway smooth muscle cells as source of AEA-induced prostaglandin E2 production and cAMP as direct mediator of AEA-dependent airway relaxation. Mass spectrometry experiments demonstrate reduced levels of endocannabinoid-like compounds in lungs of ovalbumin-sensitized mice indicating a pathophysiological relevance of endocannabinoid signalling in obstructive airway disease. Importantly, AEA inhalation protects against airway hyper-reactivity after ovalbumin sensitization. Thus, this work highlights the AEA/FAAH axis as a critical regulator of airway tone that could provide therapeutic targets for airway relaxation.
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Affiliation(s)
- Annika Simon
- grid.5570.70000 0004 0490 981XDepartment of Systems Physiology, Medical Faculty, Ruhr University of Bochum, Bochum, Germany
| | - Thomas von Einem
- grid.10388.320000 0001 2240 3300Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Bonn, Germany
| | - Alexander Seidinger
- grid.5570.70000 0004 0490 981XDepartment of Systems Physiology, Medical Faculty, Ruhr University of Bochum, Bochum, Germany
| | - Michaela Matthey
- grid.5570.70000 0004 0490 981XDepartment of Systems Physiology, Medical Faculty, Ruhr University of Bochum, Bochum, Germany
| | - Laura Bindila
- grid.410607.4Institute of Physiological Chemistry, University Medical Center of the Johannes Gutenberg University of Mainz, Mainz, Germany
| | - Daniela Wenzel
- grid.5570.70000 0004 0490 981XDepartment of Systems Physiology, Medical Faculty, Ruhr University of Bochum, Bochum, Germany ,grid.10388.320000 0001 2240 3300Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Bonn, Germany
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40
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Vallés AS, Barrantes FJ. The synaptic lipidome in health and disease. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2022; 1864:184033. [PMID: 35964712 DOI: 10.1016/j.bbamem.2022.184033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/02/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Adequate homeostasis of lipid, protein and carbohydrate metabolism is essential for cells to perform highly specific tasks in our organism, and the brain, with its uniquely high energetic requirements, posesses singular characteristics. Some of these are related to its extraordinary dotation of synapses, the specialized subcelluar structures where signal transmission between neurons occurs in the central nervous system. The post-synaptic compartment of excitatory synapses, the dendritic spine, harbors key molecules involved in neurotransmission tightly packed within a minute volume of a few femtoliters. The spine is further compartmentalized into nanodomains that facilitate the execution of temporo-spatially separate functions in the synapse. Lipids play important roles in this structural and functional compartmentalization and in mechanisms that impact on synaptic transmission. This review analyzes the structural and dynamic processes involving lipids at the synapse, highlighting the importance of their homeostatic balance for the physiology of this complex and highly specialized structure, and underscoring the pathologies associated with disbalances of lipid metabolism, particularly in the perinatal and late adulthood periods of life. Although small variations of the lipid profile in the brain take place throughout the adult lifespan, the pathophysiological consequences are clinically manifested mostly during late adulthood. Disturbances in lipid homeostasis in the perinatal period leads to alterations during nervous system development, while in late adulthood they favor the occurrence of neurodegenerative diseases.
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Affiliation(s)
- Ana Sofia Vallés
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (UNS-CONICET), 8000 Bahía Blanca, Argentina.
| | - Francisco J Barrantes
- Laboratory of Molecular Neurobiology, Institute of Biomedical Research (BIOMED), UCA-CONICET, Av. Alicia Moreau de Justo 1600, Buenos Aires C1107AAZ, Argentina.
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41
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Brandt AL, Garai S, Zagzoog A, Hurst DP, Stevenson LA, Pertwee RG, Imler GH, Reggio PH, Thakur GA, Laprairie RB. Pharmacological evaluation of enantiomerically separated positive allosteric modulators of cannabinoid 1 receptor, GAT591 and GAT593. Front Pharmacol 2022; 13:919605. [PMID: 36386195 PMCID: PMC9640980 DOI: 10.3389/fphar.2022.919605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 10/07/2022] [Indexed: 11/09/2023] Open
Abstract
Positive allosteric modulation of the type 1 cannabinoid receptor (CB1R) has substantial potential to treat both neurological and immune disorders. To date, a few studies have evaluated the structure-activity relationship (SAR) for CB1R positive allosteric modulators (PAMs). In this study, we separated the enantiomers of the previously characterized two potent CB1R ago-PAMs GAT591 and GAT593 to determine their biochemical activity at CB1R. Separating the enantiomers showed that the R-enantiomers (GAT1665 and GAT1667) displayed mixed allosteric agonist-PAM activity at CB1R while the S-enantiomers (GAT1664 and GAT1666) showed moderate activity. Furthermore, we observed that the R and S-enantiomers had distinct binding sites on CB1R, which led to their distinct behavior both in vitro and in vivo. The R-enantiomers (GAT1665 and GAT1667) produced ago-PAM effects in vitro, and PAM effects in the in vivo behavioral triad, indicating that the in vivo activity of these ligands may occur via PAM rather than agonist-based mechanisms. Overall, this study provides mechanistic insight into enantiospecific interaction of 2-phenylindole class of CB1R allosteric modulators, which have shown therapeutic potential in the treatment of pain, epilepsy, glaucoma, and Huntington's disease.
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Affiliation(s)
- Asher L. Brandt
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
| | - Sumanta Garai
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Boston, MA, United States
| | - Ayat Zagzoog
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
| | - Dow P. Hurst
- Center for Drug Discovery, University of North Carolina Greensboro, Greensboro, NC, United States
| | - Lesley A. Stevenson
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland, United Kingdom
| | - Roger G. Pertwee
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland, United Kingdom
| | - Gregory H. Imler
- Centre for Biomolecular Science and Engineering, Naval Research Laboratory, Washington, DC, United States
| | - Patricia H. Reggio
- Center for Drug Discovery, University of North Carolina Greensboro, Greensboro, NC, United States
| | - Ganesh A. Thakur
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Boston, MA, United States
| | - Robert B. Laprairie
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Pharmacology, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
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42
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Bainbridge MN, Mazumder A, Ogasawara D, Abou Jamra R, Bernard G, Bertini E, Burglen L, Cope H, Crawford A, Derksen A, Dure L, Gantz E, Koch-Hogrebe M, Hurst ACE, Mahida S, Marshall P, Micalizzi A, Novelli A, Peng H, Rodriguez D, Robbins SL, Rutledge SL, Scalise R, Schließke S, Shashi V, Srivastava S, Thiffault I, Topol S, Qebibo L, Wieczorek D, Cravatt B, Haricharan S, Torkamani A, Friedman J. Endocannabinoid dysfunction in neurological disease: neuro-ocular DAGLA-related syndrome. Brain 2022; 145:3383-3390. [PMID: 35737950 PMCID: PMC9586540 DOI: 10.1093/brain/awac223] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/30/2022] [Indexed: 11/12/2022] Open
Abstract
The endocannabinoid system is a highly conserved and ubiquitous signalling pathway with broad-ranging effects. Despite critical pathway functions, gene variants have not previously been conclusively linked to human disease. We identified nine children from eight families with heterozygous, de novo truncating variants in the last exon of DAGLA with a neuro-ocular phenotype characterized by developmental delay, ataxia and complex oculomotor abnormality. All children displayed paroxysms of nystagmus or eye deviation accompanied by compensatory head posture and worsened incoordination most frequently after waking. RNA sequencing showed clear expression of the truncated transcript and no differences were found between mutant and wild-type DAGLA activity. Immunofluorescence staining of patient-derived fibroblasts and HEK cells expressing the mutant protein showed distinct perinuclear aggregation not detected in control samples. This report establishes truncating variants in the last DAGLA exon as the cause of a unique paediatric syndrome. Because enzymatic activity was preserved, the observed mislocalization of the truncated protein may account for the observed phenotype. Potential mechanisms include DAGLA haploinsufficiency at the plasma membrane or dominant negative effect. To our knowledge, this is the first report directly linking an endocannabinoid system component with human genetic disease and sets the stage for potential future therapeutic avenues.
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Affiliation(s)
- Matthew N Bainbridge
- Rady Children's Institute for Genomic Medicine (RCIGM), San Diego, CA 92123, USA
| | - Aloran Mazumder
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Daisuke Ogasawara
- The Scripps Research Translational Institute, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Rami Abou Jamra
- Institute of Human Genetics, University Medical Center Leipzig, Leipzig 04103, Germany
| | - Geneviève Bernard
- Department of Neurology and Neurosurgery, McGill University, Montreal, Canada.,Department of Pediatrics and Human Genetics, McGill University, Montreal, Canada.,Department of Human Genetics, McGill University, Montreal, Canada.,Department Specialized Medicine, Division of Medical Genetics, McGill University Health Center, Montreal, Canada.,Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Canada
| | - Enrico Bertini
- Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences 'Bambino Gesu' Children's Research Hospital, IRCCS, Rome, Italy
| | - Lydie Burglen
- Centre de Référence Malformations et Maladies Congénitales du Cervelet, Département de génétique, AP-HP Sorbonne Université, Hôpital Trousseau, Paris, France.,Developmental Brain Disorders Laboratory, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Heidi Cope
- Department of Pediatrics, Division Medical Genetics Durham, Duke University Medical Center, North Carolina, USA
| | | | - Alexa Derksen
- Department of Neurology and Neurosurgery, McGill University, Montreal, Canada.,Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Canada
| | - Leon Dure
- Division of Pediatric Neurology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Emily Gantz
- Division of Pediatric Neurology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | | | - Anna C E Hurst
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Sonal Mahida
- Department of Neurology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Paige Marshall
- Department of Neurology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Alessia Micalizzi
- Translational Cytogenomics Research Unit, Bambino Gesù Children's Hospital, IRCCS, Roma, Italy
| | - Antonio Novelli
- Translational Cytogenomics Research Unit, Bambino Gesù Children's Hospital, IRCCS, Roma, Italy
| | - Hongfan Peng
- The Scripps Research Translational Institute, The Scripps Research Institute, La Jolla, CA 92037, USA
| | | | - Diana Rodriguez
- Sorbonne Université, INSERM UMR 1141, AP-HP.SU, Centre de Référence Maladies Rares Malformations et Maladies Congénitales du Cervelet & Service de Neuropédiatrie, Hôpital Trousseau, Paris, France
| | - Shira L Robbins
- Ratner Children's Eye Center at the Shiley Eye Institute; Viterbi Family Department of Ophthalmology, University of California San Diego, La Jolla, CA 92093, USA
| | - S Lane Rutledge
- Division of Pediatric Neurology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL 35233, USA.,Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Roberta Scalise
- Department of Developmental Neuroscience, IRCCS Stella Maris Foundation, Pisa, Italy.,Tuscan PhD Program of Neuroscience, University of Florence, Pisa and Siena, Florence, Italy
| | - Sophia Schließke
- Institute of Human Genetics, University Medical Center Leipzig, Leipzig 04103, Germany
| | - Vandana Shashi
- Department of Pediatrics, Division Medical Genetics Durham, Duke University Medical Center, North Carolina, USA
| | | | - Isabella Thiffault
- Genomic Medicine Center, Children's Mercy Hospital, Kansas City, Missouri, USA.,Faculty of Medicine, University of Missouri Kansas City, Kansas City, Missouri, USA.,Department of Pathology, Children's Mercy Hospital, Kansas City, Missouri, USA
| | - Sarah Topol
- The Scripps Research Translational Institute, The Scripps Research Institute, La Jolla, CA 92037, USA
| | | | - Leila Qebibo
- Centre de Référence Malformations et Maladies Congénitales du Cervelet, Département de génétique, AP-HP Sorbonne Université, Hôpital Trousseau, Paris, France
| | - Dagmar Wieczorek
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, 40225, Düsseldorf, Germany
| | - Benjamin Cravatt
- The Scripps Research Translational Institute, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Svasti Haricharan
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Ali Torkamani
- The Scripps Research Translational Institute, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Jennifer Friedman
- Rady Children's Institute for Genomic Medicine (RCIGM), San Diego, CA 92123, USA.,Division of Neurology, Rady Children's Hospital San Diego, CA 92123, USA.,Department of Neurosciences, University of California La Jolla, CA 92037, USA.,Department of Pediatrics, University of California La Jolla, CA 92037, USA
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43
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Bahceci D, Anderson LL, Kevin RC, Doohan PT, Arnold JC. Hyperthermia-Induced Seizures Enhance Brain Concentrations of the Endocannabinoid-Related Linoleoyl Glycerols in a Scn1a+/- Mouse Model of Dravet Syndrome. Cannabis Cannabinoid Res 2022. [PMID: 36269656 DOI: 10.1089/can.2022.0145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Introduction: The endocannabinoid system contributes to the homeostatic response to seizure activity in epilepsy, a disease of brain hyperexcitability. Indeed, studies using conventional epilepsy models have shown that seizures increase endocannabinoids in the brain. However, it is unknown whether endocannabinoids and structurally related fatty acid amides and monoacylglycerols are similarly released in response to acute seizures in animal models of drug-resistant epilepsy. Therefore, in this study, we investigated whether a hyperthermia-induced seizure increased concentrations of endocannabinoids and related signaling lipids in the Scn1a+/- mouse model of Dravet syndrome. Materials and Methods: We compared hippocampal concentrations of the major endocannabinoids and related monoglycerols and N-acylethanolamines in wild-type mice, naïve Scn1a+/- mice, and Scn1a+/- mice primed with a single, hyperthermia-induced, generalized tonic-clonic seizure. Samples were collected 5 and 60 min following the seizure and then analyzed with LC-MS/MS. Results: We found that a hyperthermia-induced seizure in Scn1a+/- mice did not affect hippocampal concentrations of the major endocannabinoids, 2-AG and anandamide, or the N-acylethanolamines studied, although the sampling of tissue 5 min postseizure may have been too late to capture any effect on these lipids. Heterozygous deletion of Scn1a alone did not affect these lipid signaling molecules. Notably, however, we found that a hyperthermia-induced seizure significantly increased hippocampal concentrations of the monoacylglycerols, 2-linoleoyl glycerol (2-LG) and 1-linoleoyl glycerol (1-LG), in Scn1a+/- mice. Conclusions: Our results show the unprecedented elevation of the lesser-studied endocannabinoid-related monoacylglycerols, 2-LG and 1-LG, following a hyperthermia-induced seizure in a mouse model of Dravet syndrome. Future research is needed to comprehensively explore the function of these lipid signaling molecules during seizure activity and whether their actions can be exploited to develop new therapeutics.
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Affiliation(s)
- Dilara Bahceci
- Lambert Initiative for Cannabinoid Therapeutics, The University of Sydney, Camperdown , Australia.,Discipline of Pharmacology, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.,Brain and Mind Centre, The University of Sydney, Camperdown, Australia
| | - Lyndsey L Anderson
- Lambert Initiative for Cannabinoid Therapeutics, The University of Sydney, Camperdown , Australia.,Discipline of Pharmacology, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.,Brain and Mind Centre, The University of Sydney, Camperdown, Australia
| | - Richard C Kevin
- Lambert Initiative for Cannabinoid Therapeutics, The University of Sydney, Camperdown , Australia.,Discipline of Pharmacology, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.,Brain and Mind Centre, The University of Sydney, Camperdown, Australia
| | - Peter T Doohan
- Lambert Initiative for Cannabinoid Therapeutics, The University of Sydney, Camperdown , Australia.,Discipline of Pharmacology, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.,Brain and Mind Centre, The University of Sydney, Camperdown, Australia
| | - Jonathon C Arnold
- Lambert Initiative for Cannabinoid Therapeutics, The University of Sydney, Camperdown , Australia.,Discipline of Pharmacology, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.,Brain and Mind Centre, The University of Sydney, Camperdown, Australia
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Inhibition of cannabinoid receptor type 1 sensitizes triple-negative breast cancer cells to ferroptosis via regulating fatty acid metabolism. Cell Death Dis 2022; 13:808. [PMID: 36130940 PMCID: PMC9492666 DOI: 10.1038/s41419-022-05242-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 08/27/2022] [Accepted: 09/06/2022] [Indexed: 01/23/2023]
Abstract
Triple-negative breast cancer (TNBC) is a heterogeneous subtype of breast cancer that displays highly aggressive with poor prognosis. Owing to the limited targets and drugs for TNBC clinical therapy, it is necessary to investigate the factors regulating cancer progression and develop novel therapies for cancer treatment. Ferroptosis, a nonapoptotic form of programmed cell death characterized by accumulation of iron-dependent peroxidation of phospholipids, is regulated by cellular metabolism, redox homeostasis, and various cancer-related signaling pathways. Recently, considerable progress has been made in demonstrating the critical role of lipid metabolism in regulating ferroptosis, indicating potential combinational therapeutic strategies for cancer treatment. In this study, by drug combination screen of lipid metabolism compounds with ferroptosis inducers in decreasing TNBC cell viability, we found potent synergy of the CB1 antagonist rimonabant with erastin/(1 S, 3 R)-RSL3 (RSL3) in inhibiting TNBC cell growth both in vitro and in vivo via promoting the levels of lipid peroxides, malondialdehyde (MDA), 4-hydroxynonenal (4-HNE) and cytosolic reactive oxygen species (ROS) production, enhancing intracellular glutathione (GSH) depletion and inducing G1 cell cycle arrest. We identified that inhibition of CB1 promoted the effect of erastin/RSL3 on inducing ferroptosis and enhanced their inhibitory effect on tumor growth. Using RNA-Seq, fatty acid analyses and functional assays, we found that CB1 regulated stearoyl-CoA desaturase 1 (SCD1)- and fatty acyl desaturase 2 (FADS2)-dependent fatty acid metabolism via phosphatidylinositol 3 kinase (PI3K)-AKT and mitogen-activated protein kinase (MAPK) signaling pathways to modulate ferroptosis sensitivity in TNBC cells. These data demonstrate that dual targeting of CB1 and ferroptosis could be a promising therapeutic strategy for TNBC.
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Chiocchetti R, Salamanca G, De Silva M, Gobbo F, Aspidi F, Cunha RZ, Galiazzo G, Tagliavia C, Sarli G, Morini M. Cannabinoid receptors in the inflammatory cells of canine atopic dermatitis. Front Vet Sci 2022; 9:987132. [PMID: 36187821 PMCID: PMC9521433 DOI: 10.3389/fvets.2022.987132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundAtopic dermatitis (AD) is one of the most common cutaneous inflammatory and pruritic diseases in dogs. Considering its multifactorial nature, AD can be a challenging disease to manage, and the therapeutic strategy must often be multimodal. In recent years, research has been moving toward the use of natural products which have beneficial effects on inflammation and itching, and no side effects. Cannabinoid receptors have been demonstrated to be expressed in healthy and diseased skin; therefore, one of the potential alternative therapeutic targets for investigating AD is the endocannabinoid system (ECS).ObjectiveTo immunohistochemically investigate the expression of the cannabinoid receptor type 2 (CB2R), and the cannabinoid-related receptors G protein-coupled receptor 55 (GPR55), transient receptor potential vanilloid 1 (TRPV1) and ankyrin 1 (TRPA1) in mast cells (MCs), macrophages, dendritic cells (DCs), T cells, and neutrophils of the skin of dogs with AD.AnimalsSamples of skin tissues were collected from eight dogs with AD (AD-dogs).Materials and methodsThe immunofluorescent stained cryosections of the skins of 8 dogs with AD having antibodies against CB2R, GPR55, TRPV1, TRPA1 were semiquantitatively evaluated. The inflammatory cells were identified using antibodies against tryptase (mast cells), ionized calcium binding adaptor molecule 1 (IBA1) (macrophages/DCs), CD3 (T cells), and calprotectin (neutrophils). The proportions of MCs, macrophages/DCs, T cells, and neutrophils expressing CB2R, GPR55, TRPV1 and TRPA1 were evaluated.ResultsThe cells of the inflammatory infiltrate showed immunoreactivity (IR) for all or for some of the cannabinoid and cannabinoid-related receptors studied. In particular, MCs and macrophages/DCs showed CB2R-, GPR55-, TRPA1-, and TRPV1-IR; T cells showed CB2R-, GPR55- and TRPA1-IR, and neutrophils expressed GPR55-IR. Co-localization studies indicated that CB2R-IR was co-expressed with TRPV1-, TRPA1-, and GPR55-IR in different cellular elements of the dermis of the AD-dogs.Conclusions and clinical importanceCannabinoid receptor 2, and cannabinoid-related receptors GPR55, TRPV1 and TRPA1 were widely expressed in the inflammatory infiltrate of the AD-dogs. Based on the present findings, the ECS could be considered to be a potential therapeutic target for dogs with AD, and may mitigate itch and inflammation.
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Affiliation(s)
- Roberto Chiocchetti
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
- *Correspondence: Roberto Chiocchetti
| | - Giulia Salamanca
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Margherita De Silva
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Francesca Gobbo
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Francesca Aspidi
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Rodrigo Zamith Cunha
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Giorgia Galiazzo
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Claudio Tagliavia
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
- Faculty of Veterinary Medicine, Università degli Studi di Teramo, Località Piano D'Accio, Teramo, Italy
| | - Giuseppe Sarli
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
| | - Maria Morini
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Bologna, Italy
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Deng H, Zhang Q, Lei Q, Yang N, Yang K, Jiang J, Yu Z. Discovering monoacylglycerol lipase inhibitors by a combination of fluorogenic substrate assay and activity-based protein profiling. Front Pharmacol 2022; 13:941522. [PMID: 36105202 PMCID: PMC9465256 DOI: 10.3389/fphar.2022.941522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/29/2022] [Indexed: 11/13/2022] Open
Abstract
The endocannabinoid 2-arachidonoylglycerol (2-AG) is predominantly metabolized by monoacylglycerol lipase (MAGL) in the brain. Selective inhibitors of MAGL provide valuable insights into the role of 2-AG in a variety of (patho)physiological processes and are potential therapeutics for the treatment of diseases such as neurodegenerative disease and inflammation, pain, as well as cancer. Despite a number of MAGL inhibitors been reported, inhibitors with new chemotypes are still required. Here, we developed a substrate-based fluorescence assay by using a new fluorogenic probe AA-HNA and successfully screened a focused library containing 320 natural organic compounds. Furthermore, we applied activity-based protein profiling (ABPP) as an orthogonal method to confirm the inhibitory activity against MAGL in the primary substrate-based screening. Our investigations culminated in the identification of two major compound classes, including quinoid diterpene (23, cryptotanshinone) and β-carbolines (82 and 93, cis- and trans-isomers), with significant potency towards MAGL and good selectivity over other 2-AG hydrolases (ABHD6 and ABHD12). Moreover, these compounds also showed antiproliferative activities against multiple cancer cells, including A431, H1975, B16-F10, OVCAR-3, and A549. Remarkably, 23 achieved complete inhibition towards endogenous MAGL in most cancer cells determined by ABPP. Our results demonstrate the potential utility of the substrate-based fluorescence assay in combination with ABPP for rapidly discovering MAGL inhibitors, as well as providing an effective approach to identify potential targets for compounds with significant biological activities.
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Affiliation(s)
- Hui Deng
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Hui Deng, ; Zhiyi Yu,
| | - Qianwen Zhang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qian Lei
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Na Yang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Kai Yang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jianbing Jiang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Zhiyi Yu
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Hui Deng, ; Zhiyi Yu,
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Topuz RD, Gorgulu Y, Kyazim Uluturk M. Could serum endocannabinoid and N-acylethanolamine levels be important in bipolar disorder? World J Biol Psychiatry 2022; 24:314-320. [PMID: 35950574 DOI: 10.1080/15622975.2022.2111713] [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: 10/15/2022]
Abstract
OBJECTIVES The endocannabinoid system (ECS) is a critical important neuromodulatory system that interacts with many neurohormonal and neurotransmitter systems in the brain. It plays a pivotal role in emotional responses and mood regulation. The ECS is related with psychotic disorders, depression, anxiety and autism. In this study, we aimed to investigate whether there is any relationship between endocannabinoid and N-acylethanolamine levels with bipolar disorder. METHODS Seventy-nine patients with bipolar disorder diagnosis, who are in the euthymic period, were included in the study. Clinical characteristics, symptoms and serum endocannabinoid and N-acylethanolamine levels were compared. Endocannabinoid and N-acylethanolamine levels were evaluated using liquid chromatography-tandem mass spectrometry. RESULTS In total of 79 patients, 44 (55.69%) were females and 35 (44.30%) were males. The mean age of the patients was 42.40 ± 1.10 years. Palmitoylethanolamide (PEA) levels were higher and oleoylethanolamide and 2-arachidonyl glycerol levels were lower in patients who had at least one depressive episode during their life-time illness than in patients who had no depressive episode while arachidonyl ethanolamide levels were unchanged. CONCLUSIONS PEA levels were correlated with the history and frequency of depressive episodes and the history of depressive symptoms in patients with bipolar disorder.
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Affiliation(s)
- Ruhan Deniz Topuz
- Department of Medical Pharmacology, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Yasemin Gorgulu
- Department of Psychiatry Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Milkibar Kyazim Uluturk
- Department of Psychiatry Faculty of Medicine, Trakya University, Edirne, Turkey.,Department of Psychiatry, Can State Hospital, Canakkale, Turkey
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Synaptic Effects of Palmitoylethanolamide in Neurodegenerative Disorders. Biomolecules 2022; 12:biom12081161. [PMID: 36009055 PMCID: PMC9405819 DOI: 10.3390/biom12081161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/03/2022] [Accepted: 08/06/2022] [Indexed: 02/06/2023] Open
Abstract
Increasing evidence strongly supports the key role of neuroinflammation in the pathophysiology of neurodegenerative diseases, such as Alzheimer’s disease, frontotemporal dementia, and amyotrophic lateral sclerosis. Neuroinflammation may alter synaptic transmission contributing to the progression of neurodegeneration, as largely documented in animal models and in patients’ studies. In the last few years, palmitoylethanolamide (PEA), an endogenous lipid mediator, and its new composite, which is a formulation constituted of PEA and the well-recognized antioxidant flavonoid luteolin (Lut) subjected to an ultra-micronization process (co-ultraPEALut), has been identified as a potential therapeutic agent in different disorders by exerting potential beneficial effects on neurodegeneration and neuroinflammation by modulating synaptic transmission. In this review, we will show the potential therapeutic effects of PEA in animal models and in patients affected by neurodegenerative disorders.
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Cannabinoids and Chronic Liver Diseases. Int J Mol Sci 2022; 23:ijms23169423. [PMID: 36012687 PMCID: PMC9408890 DOI: 10.3390/ijms23169423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/13/2022] [Accepted: 08/17/2022] [Indexed: 11/19/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD), alcohol-induced liver disease (ALD), and viral hepatitis are the main causes of morbidity and mortality related to chronic liver diseases (CLDs) worldwide. New therapeutic approaches to prevent or reverse these liver disorders are thus emerging. Although their etiologies differ, these CLDs all have in common a significant dysregulation of liver metabolism that is closely linked to the perturbation of the hepatic endocannabinoid system (eCBS) and inflammatory pathways. Therefore, targeting the hepatic eCBS might have promising therapeutic potential to overcome CLDs. Experimental models of CLDs and observational studies in humans suggest that cannabis and its derivatives may exert hepatoprotective effects against CLDs through diverse pathways. However, these promising therapeutic benefits are not yet fully validated, as the few completed clinical trials on phytocannabinoids, which are thought to hold the most promising therapeutic potential (cannabidiol or tetrahydrocannabivarin), remained inconclusive. Therefore, expanding research on less studied phytocannabinoids and their derivatives, with a focus on their mode of action on liver metabolism, might provide promising advances in the development of new and original therapeutics for the management of CLDs, such as NAFLD, ALD, or even hepatitis C-induced liver disorders.
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Rahman SMK, Hussain Z, Morito K, Takahashi N, Sikder MM, Tanaka T, Ohta KI, Ueno M, Takahashi H, Yamamoto T, Murakami M, Uyama T, Ueda N. Formation of N-acyl-phosphatidylethanolamines by cytosolic phospholipase A 2ε in an ex vivo murine model of brain ischemia. Biochim Biophys Acta Mol Cell Biol Lipids 2022; 1867:159222. [PMID: 35988872 DOI: 10.1016/j.bbalip.2022.159222] [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: 06/27/2022] [Revised: 08/08/2022] [Accepted: 08/15/2022] [Indexed: 11/25/2022]
Abstract
N-Acyl-phosphatidylethanolamines (NAPEs), a minor class of membrane glycerophospholipids, accumulate along with their bioactive metabolites, N-acylethanolamines (NAEs) during ischemia. NAPEs can be formed through N-acylation of phosphatidylethanolamine by cytosolic phospholipase A2ε (cPLA2ε, also known as PLA2G4E) or members of the phospholipase A and acyltransferase (PLAAT) family. However, the enzyme responsible for the NAPE production in brain ischemia has not yet been clarified. Here, we investigated a possible role of cPLA2ε using cPLA2ε-deficient (Pla2g4e-/-) mice. As analyzed with brain homogenates of wild-type mice, the age dependency of Ca2+-dependent NAPE-forming activity showed a bell-shape pattern being the highest at the first week of postnatal life, and the activity was completely abolished in Pla2g4e-/- mice. However, liquid chromatography-tandem mass spectrometry revealed that the NAPE levels of normal brain were similar between wild-type and Pla2g4e-/- mice. In contrast, post-mortal accumulations of NAPEs and most species of NAEs were only observed in decapitated brains of wild-type mice. These results suggested that cPLA2ε is responsible for Ca2+-dependent formation of NAPEs in the brain as well as the accumulation of NAPEs and NAEs during ischemia, while other enzyme(s) appeared to be involved in the maintenance of basal NAPE levels.
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Affiliation(s)
- S M Khaledur Rahman
- Department of Biochemistry, Kagawa University School of Medicine, Kagawa, Japan
| | - Zahir Hussain
- Department of Biochemistry, Kagawa University School of Medicine, Kagawa, Japan; Department of Pathology, McGowan Institute for Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Katsuya Morito
- Department of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Naoko Takahashi
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | | | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan
| | - Ken-Ichi Ohta
- Department of Anatomy and Neurobiology, Kagawa University School of Medicine, Kagawa, Japan
| | - Masaki Ueno
- Department of Pathology and Host Defense, Kagawa University School of Medicine, Kagawa, Japan
| | - Hiroo Takahashi
- Department of Molecular Neurobiology, Kagawa University School of Medicine, Kagawa, Japan
| | - Tohru Yamamoto
- Department of Molecular Neurobiology, Kagawa University School of Medicine, Kagawa, Japan
| | - Makoto Murakami
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - Toru Uyama
- Department of Biochemistry, Kagawa University School of Medicine, Kagawa, Japan.
| | - Natsuo Ueda
- Department of Biochemistry, Kagawa University School of Medicine, Kagawa, Japan.
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