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Corli G, Roda E, Tirri M, Bilel S, De Luca F, Strano-Rossi S, Gaudio RM, De-Giorgio F, Fattore L, Locatelli CA, Marti M. Sex-specific behavioural, metabolic, and immunohistochemical changes after repeated administration of the synthetic cannabinoid AKB48 in mice. Br J Pharmacol 2024; 181:1361-1382. [PMID: 38148741 DOI: 10.1111/bph.16311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/28/2023] [Accepted: 12/17/2023] [Indexed: 12/28/2023] Open
Abstract
BACKGROUND AND PURPOSE AKB48 is a synthetic cannabinoid illegally sold for its psychoactive cannabis-like effects that have been associated with acute intoxication and whose effects are poorly known. EXPERIMENTAL APPROACH Using a behavioural, neurochemical, and immunohistochemical approach, we investigated the pharmaco-toxicological effects, pharmacokinetics, and neuroplasticity at cannabinoid CB1 receptors in the cerebellum and cortex induced by repeated AKB48 administration in male and female mice. KEY RESULTS The effects of AKB48 varied significantly depending on sex and treatment duration. The first injection impaired sensorimotor responses and reduced body temperature, analgesia, and breath rate to a greater extent in females than in males; the second injection induced stronger effects in males while the third injection of AKB48 induced weaker responses in both sexes, suggesting emergence of tolerance. The CB1 receptor antagonist NESS-0327 prevented the effects induced by repeated AKB48, confirming a CB1 receptor-mediated action. Blood AKB48 levels were higher in females than in males and repeated administration caused a progressive rise of AKB48 levels in both sexes, suggesting an inhibitory effect on cytochrome activity. Finally, immunohistochemical analysis revealed higher expression of CB1 receptors in the cerebellum and cortex of females, and a rapid CB1 receptor down-regulation in cerebellar and cortical areas following repeated AKB48 injections, with neuroadaptation occurring generally more rapidly in females than in males. CONCLUSION AND IMPLICATIONS We have shown for the first time that AKB48 effects significantly vary with prolonged use and that sex affects the pharmacodynamic/pharmacokinetic responses to repeated administration, suggesting a sex-tailored approach in managing AKB48-induced intoxication.
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Affiliation(s)
- Giorgia Corli
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Elisa Roda
- Laboratory of Clinical & Experimental Toxicology, Pavia Poison Centre, National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri, IRCCS, Pavia, Italy
| | - Micaela Tirri
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Sabrine Bilel
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Fabrizio De Luca
- Department of Veterinary Medicine and Animal Sciences (DIVAS), University of Milan, Lodi, Italy
| | - Sabina Strano-Rossi
- Institute of Public Health, Section of Legal Medicine, Catholic University of Rome, Rome, Italy
| | - Rosa Maria Gaudio
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
- University Center of Gender Medicine, University of Ferrara, Ferrara, Italy
| | - Fabio De-Giorgio
- Department of Health Care Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Liana Fattore
- National Research Council, CNR Institute of Neuroscience-Cagliari, Cagliari, Italy
| | - Carlo Alessandro Locatelli
- Laboratory of Clinical & Experimental Toxicology, Pavia Poison Centre, National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri, IRCCS, Pavia, Italy
| | - Matteo Marti
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
- Department of Anti-Drug Policies, Presidency of the Council of Ministers, Collaborative Center for the Italian National Early Warning System, Rome, Italy
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Zhou F, Wang X, Tan S, Shi Y, Xie B, Xiang P, Cong B, Ma C, Wen D. Differential cannabinoid-like effects and pharmacokinetics of ADB-BICA, ADB-BINACA, ADB-4en-PINACA and MDMB-4en-PINACA in mice: A comparative study. Addict Biol 2024; 29:e13372. [PMID: 38380735 PMCID: PMC10898835 DOI: 10.1111/adb.13372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/26/2023] [Accepted: 12/19/2023] [Indexed: 02/22/2024]
Abstract
Despite synthetic cannabinoids' (SCs) prevalent use among humans, these substances often lack comprehensive pharmacological data, primarily due to their rapid emergence in the market. This study aimed to discern differences and causal factors among four SCs (ADB-BICA, ADB-BINACA, ADB-4en-PINACA and MDMB-4en-PINACA), with respect to locomotor activity, body temperature and nociception threshold. Adult male C57BL/6 mice received intraperitoneal injections of varying doses (0.5, 0.1 and 0.02 mg/kg) of these compounds. Three substances (including ADB-BINACA, ADB-4en-PINACA and MDMB-4en-PINACA) demonstrated dose- and time-dependent hypolocomotive and hypothermic effects. Notably, 0.1 mg/kg MDMB-4en-PINACA exhibited analgesic properties. However, ADB-BICA did not cause any effects. MDMB-4en-PINACA manifested the most potent and sustained effects, followed by ADB-4en-PINACA, ADB-BINACA and ADB-BICA. Additionally, the cannabinoid receptor 1 (CB1R) antagonist AM251 suppressed the effects induced by acute administration of the substances. Analysis of molecular binding configurations revealed that the four SCs adopted a congruent C-shaped geometry, with shared linker binding pockets conducive to robust steric interaction with CB1R. Essential residues PHE268 , PHE200 and SER173 within CB1R were identified as pivotal contributors to enhancing receptor-ligand associations. During LC-MS/MS analysis, 0.5 mg/kg MDMB-4en-PINACA exhibited the highest plasma concentration and most prolonged detection window post-administration. The study of SCs' pharmacological and pharmacokinetic profiles is crucial for better understanding the main mechanisms of cannabinoid-like effects induced by SCs, interpreting clinical findings related to SC uses and enhancing SCs risk awareness.
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Affiliation(s)
- Fenghua Zhou
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
| | - Xiaoli Wang
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
| | - Sujun Tan
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
| | - Yan Shi
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Science Platform, Key Laboratory of Judicial Expertise, Department of Forensic ToxicologyAcademy of Forensic Science, Ministry of JusticeShanghaiChina
| | - Bing Xie
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
| | - Ping Xiang
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Science Platform, Key Laboratory of Judicial Expertise, Department of Forensic ToxicologyAcademy of Forensic Science, Ministry of JusticeShanghaiChina
| | - Bin Cong
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
| | - Chunling Ma
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
- Key Laboratory of Neural and Vascular BiologyMinistry of EducationShijiazhuangHebei ProvinceChina
| | - Di Wen
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and ToxicologyChinese Academy of Medical SciencesShijiazhuangHebei ProvinceChina
- Key Laboratory of Neural and Vascular BiologyMinistry of EducationShijiazhuangHebei ProvinceChina
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3
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Alzu'bi A, Almahasneh F, Khasawneh R, Abu-El-Rub E, Baker WB, Al-Zoubi RM. The synthetic cannabinoids menace: a review of health risks and toxicity. Eur J Med Res 2024; 29:49. [PMID: 38216984 PMCID: PMC10785485 DOI: 10.1186/s40001-023-01443-6] [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: 07/24/2023] [Accepted: 10/10/2023] [Indexed: 01/14/2024] Open
Abstract
Synthetic cannabinoids (SCs) are chemically classified as psychoactive substances that target the endocannabinoid system in many body organs. SCs can initiate pathophysiological changes in many tissues which can be severe enough to damage the normal functionality of our body systems. The majority of SCs-related side effects are mediated by activating Cannabinoid Receptor 1 (CB1R) and Cannabinoid Receptor 2 (CB2R). The activation of these receptors can enkindle many downstream signalling pathways, including oxidative stress, inflammation, and apoptosis that ultimately can produce deleterious changes in many organs. Besides activating the cannabinoid receptors, SCs can act on non-cannabinoid targets, such as the orphan G protein receptors GPR55 and GPR18, the Peroxisome Proliferator-activated Receptors (PPARs), and the Transient receptor potential vanilloid 1 (TRPV1), which are broadly expressed in the brain and the heart and their activation mediates many pharmacological effects of SCs. In this review, we shed light on the multisystem complications found in SCs abusers, particularly discussing their neurologic, cardiovascular, renal, and hepatic effects, as well as highlighting the mechanisms that intermediate SCs-related pharmacological and toxicological consequences to provide comprehensive understanding of their short and long-term systemic effects.
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Affiliation(s)
- Ayman Alzu'bi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan.
| | - Fatimah Almahasneh
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Ramada Khasawneh
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Ejlal Abu-El-Rub
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Worood Bani Baker
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Raed M Al-Zoubi
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation & Men'S Health, Doha, Qatar.
- Department of Biomedical Sciences, QU-Health, College of Health Sciences, Qatar University, Doha, 2713, Qatar.
- Department of Chemistry, Jordan University of Science and Technology, P.O.Box 3030, Irbid, 22110, Jordan.
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Zhang YQ, Min HK, Hong E, Yu E, Gu SM, Yoon SS, Lee D, Lee J, Hong JT, Yun J. Abused drug-induced intracranial self-stimulation is correlated with the alteration of dopamine transporter availability in the medial prefrontal cortex and nucleus accumbens of mice. Biomed Pharmacother 2023; 169:115860. [PMID: 37948992 DOI: 10.1016/j.biopha.2023.115860] [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: 06/29/2023] [Revised: 11/02/2023] [Accepted: 11/05/2023] [Indexed: 11/12/2023] Open
Abstract
Intracranial self-stimulation (ICSS) of the medial forebrain bundle in mice is an experimental model use to assess the relative potential of reward-seeking behaviors. Here, we used the ICSS model to evaluate the abuse potential of 18 abused drugs: 3-Fluoroethamphetamine (3-FEA); methylphenidate; cocaine; dextroamphetamine; alpha-Pyrrolidinobutyrophenone (α-PBT); 4'-Fluoro-4-methylaminorex (4-FPO); methamphetamine; larocaine; phentermine; paramethoxymethamphetamine (PMMA); phendimetrazine; N-(1-adamantyl)-1-pentyl-1H-indazole-3-carboxamide (AKB-48); Naphthalen-1-yl-(4-pentyloxynaphthalen-1-yl)methanone (CB-13); 4-Ethylnaphthalen-1-yl-(1-pentylindol-3-yl)methanone (JWH-210); Naphthalen-1-yl-(1-pentylindol-3-yl)methanone (JWH-018); N-(ortho-methoxybenzyl)-4-ethylamphetamine (4-EA-NBOMe); N-[(2-Methoxyphenyl)methyl]-N-methyl-1-(4-methylphenyl)propan-2-amine (4-MMA-NBOMe); and 1-[1-(4-methoxyphenyl)cyclohexyl]piperidine (4-MeO-PCP). We determined dopamine transporter (DAT) availability in the medial prefrontal cortex (mPFC), striatum, and nucleus accumbens (NAc) after drug treatment. DAT availability in the mPFC and NAc significantly correlated with the ICSS threshold after drug treatment. Extracellular dopamine and calcium levels in PC-12 cells were measured following drug treatment. After drug treatment, Spearman rank and Pearson correlation analyses showed a significant difference between the extracellular dopamine level and the ICSS threshold. After drug treatment, Spearman rank correlation analysis showed a significant correlation between Ca2+ signaling and the ICSS threshold. A positive correlation exists between the ICSS threshold and DAT availability in the mPFC and NAc provoked by abused drugs. The relative potential of drug-induced reward-seeking behavior may be related to DAT availability-mediated extracellular dopamine levels in the mPFC and NAc.
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Affiliation(s)
- Yong-Qing Zhang
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Hyun Kyu Min
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Eunchong Hong
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Eunhye Yu
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Sun Mi Gu
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Seong Shoon Yoon
- College of Korean Medicine, Daegu Haany University, 136 Sincheondong-ro, Suseong-gu, Daegu 42158, Republic of Korea
| | - Dohyun Lee
- Laboratory Animal Center, Osong Medical Innovation Foundation, 123 Osongsaengmyeong-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Jaejun Lee
- Laboratory Animal Center, Osong Medical Innovation Foundation, 123 Osongsaengmyeong-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Jin Tae Hong
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Jaesuk Yun
- College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea.
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Bilel S, Zamberletti E, Caffino L, Tirri M, Mottarlini F, Arfè R, Barbieri M, Beggiato S, Boccuto F, Bernardi T, Casati S, Brini AT, Parolaro D, Rubino T, Ferraro L, Fumagalli F, Marti M. Cognitive dysfunction and impaired neuroplasticity following repeated exposure to the synthetic cannabinoid JWH-018 in male mice. Br J Pharmacol 2023; 180:2777-2801. [PMID: 37311647 DOI: 10.1111/bph.16164] [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: 02/11/2022] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 06/15/2023] Open
Abstract
BACKGROUND AND PURPOSE Psychotic disorders have been reported in long-term users of synthetic cannabinoids. This study aims at investigating the long-lasting effects of repeated JWH-018 exposure. EXPERIMENTAL APPROACH Male CD-1 mice were injected with vehicle, JWH-018 (6 mg·kg-1 ), the CB1 -antagonist NESS-0327 (1 mg·kg-1 ) or co-administration of NESS-0327 and JWH-018, every day for 7 days. After 15 or 16 days washout, we investigated the effects of JWH-018 on motor function, memory, social dominance and prepulse inhibition (PPI). We also evaluated glutamate levels in dialysates from dorsal striatum, striatal dopamine content and striatal/hippocampal neuroplasticity focusing on the NMDA receptor complex and the neurotrophin BDNF. These measurements were accompanied by in vitro electrophysiological evaluations in hippocampal preparations. Finally, we investigated the density of CB1 receptors and levels of the endocannabinoid anandamide (AEA) and 2-arachidonoylglycerol (2-AG) and their main synthetic and degrading enzymes in the striatum and hippocampus. KEY RESULTS The repeated treatment with JWH-018 induced psychomotor agitation while reducing social dominance, recognition memory and PPI in mice. JWH-018 disrupted hippocampal LTP and decreased BDNF expression, reduced the synaptic levels of NMDA receptor subunits and decreased the expression of PSD95. Repeated exposure to JWH-018, reduced hippocampal CB1 receptor density and induced a long-term alteration in AEA and 2-AG levels and their degrading enzymes, FAAH and MAGL, in the striatum. CONCLUSION AND IMPLICATIONS Our findings suggest that repeated administration of a high dose of JWH-018 leads to the manifestation of psychotic-like symptoms accompanied by alterations in neuroplasticity and change in the endocannabinoid system.
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Affiliation(s)
- Sabrine Bilel
- Department of Translational Medicine, Section of Legal Medicine and LTTA Center, University of Ferrara, Ferrara, Italy
| | - Erica Zamberletti
- Department of Biotechnology and Life Sciences (DBSV) and Neuroscience Center, University of Insubria, Busto Arsizio, Italy
| | - Lucia Caffino
- Department of Pharmacological and Biomolecular Sciences, 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Micaela Tirri
- Department of Translational Medicine, Section of Legal Medicine and LTTA Center, University of Ferrara, Ferrara, Italy
| | - Francesca Mottarlini
- Department of Pharmacological and Biomolecular Sciences, 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Raffaella Arfè
- Department of Translational Medicine, Section of Legal Medicine and LTTA Center, University of Ferrara, Ferrara, Italy
| | - Mario Barbieri
- Department of Neurosciences and Rehabilitation, University of Ferrara, Ferrara, Italy
| | - Sarah Beggiato
- Department of Life Sciences and Biotechnology (SVeB), University of Ferrara, Ferrara, Italy
| | - Federica Boccuto
- Department of Translational Medicine, Section of Legal Medicine and LTTA Center, University of Ferrara, Ferrara, Italy
| | - Tatiana Bernardi
- Department of Environmental Sciences and Prevention, University of Ferrara, Ferrara, Italy
| | - Sara Casati
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Anna T Brini
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan, Italy
- IRCCS Galeazzi Orthopedic Institute, Milan, Italy
| | - Daniela Parolaro
- Department of Biotechnology and Life Sciences (DBSV) and Neuroscience Center, University of Insubria, Busto Arsizio, Italy
- Zardi-Gori Foundation, Milan, Italy
| | - Tiziana Rubino
- Department of Biotechnology and Life Sciences (DBSV) and Neuroscience Center, University of Insubria, Busto Arsizio, Italy
| | - Luca Ferraro
- Department of Life Sciences and Biotechnology (SVeB), University of Ferrara, Ferrara, Italy
- Laboratory for the Technology of Advanced Therapies (LTTA Centre), University of Ferrara, Ferrara, Italy
| | - Fabio Fumagalli
- Department of Pharmacological and Biomolecular Sciences, 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Matteo Marti
- Department of Translational Medicine, Section of Legal Medicine and LTTA Center, University of Ferrara, Ferrara, Italy
- Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Rome, Italy
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Sayson LV, Ortiz DM, Lee HJ, Kim M, Custodio RJP, Yun J, Lee CH, Lee YS, Cha HJ, Cheong JH, Kim HJ. Deletion of Cryab increases the vulnerability of mice to the addiction-like effects of the cannabinoid JWH-018 via upregulation of striatal NF-κB expression. Front Pharmacol 2023; 14:1135929. [PMID: 37007015 PMCID: PMC10060981 DOI: 10.3389/fphar.2023.1135929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023] Open
Abstract
Synthetic cannabinoids have exhibited unpredictable abuse liabilities, especially self-administration (SA) responses in normal rodent models, despite seemingly inducing addiction-like effects in humans. Thus, an efficient pre-clinical model must be developed to determine cannabinoid abuse potential in animals and describe the mechanism that may mediate cannabinoid sensitivity. The Cryab knockout (KO) mice were recently discovered to be potentially sensitive to the addictive effects of psychoactive drugs. Herein, we examined the responses of Cryab KO mice to JWH-018 using SA, conditioned place preference, and electroencephalography. Additionally, the effects of repeated JWH-018 exposure on endocannabinoid- and dopamine-related genes in various addiction-associated brain regions were examined, along with protein expressions involving neuroinflammation and synaptic plasticity. Cryab KO mice exhibited greater cannabinoid-induced SA responses and place preference, along with divergent gamma wave alterations, compared to wild-type (WT) mice, implying their higher sensitivity to cannabinoids. Endocannabinoid- or dopamine-related mRNA expressions and accumbal dopamine concentrations after repeated JWH-018 exposure were not significantly different between the WT and Cryab KO mice. Further analyses revealed that repeated JWH-018 administration led to possibly greater neuroinflammation in Cryab KO mice, which may arise from upregulated NF-κB, accompanied by higher expressions of synaptic plasticity markers, which might have contributed to the development of cannabinoid addiction-related behavior in Cryab KO mice. These findings signify that increased neuroinflammation via NF-κB may mediate the enhanced addiction-like responses of Cryab KO mice to cannabinoids. Altogether, Cryab KO mice may be a potential model for cannabinoid abuse susceptibility.
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Affiliation(s)
- Leandro Val Sayson
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
| | - Darlene Mae Ortiz
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
| | - Hyun Jun Lee
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
| | - Mikyung Kim
- Department of Chemistry and Life Science, Sahmyook University, Seoul, Republic of Korea
| | - Raly James Perez Custodio
- Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors—IfADo, Dortmund, Germany
| | - Jaesuk Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Chae Hyeon Lee
- Medicinal Chemistry Laboratory, Department of Fundamental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Yong Sup Lee
- Medicinal Chemistry Laboratory, Department of Fundamental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Hye Jin Cha
- College of Veterinary Medicine, Gyeongsang National University, Jinju, Gyeongsangnam–do, Republic of Korea
| | - Jae Hoon Cheong
- Institute for New Drug Development, School of Pharmacy, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
- *Correspondence: Jae Hoon Cheong, ; Hee Jin Kim,
| | - Hee Jin Kim
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
- *Correspondence: Jae Hoon Cheong, ; Hee Jin Kim,
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7
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Hur KH, Lee Y, Donio AL, Lee JG, Lee BR, Kim SK, Yoon S, Lee YS, Kim HC, Lee SY, Jang CG. Mepirapim, a novel synthetic cannabinoid, induces Parkinson's disease-related behaviors by causing maladaptation of the dopamine system in the brain. Arch Toxicol 2023; 97:581-591. [PMID: 36355181 DOI: 10.1007/s00204-022-03414-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022]
Abstract
Mepirapim is a novel synthetic cannabinoid that first appeared on the illicit drug market in 2013. In recent years, recreational abuse of Mepirapim has caused serious emergencies, posing a threat to public health. However, there are no legal regulations to prohibit the use of Mepirapim, as there is no scientific evidence for the dangerous pharmacological effects of the drug. In the present study, we investigated the dangerous neurotoxic effects of Mepirapim through behavioral and molecular experiments in mice (ICR/CD1, male, 25-30 g). In particular, based on a previous study that Mepirapim activates the dopamine system, we evaluated whether high-dose Mepirapim [single (15, 30, or 60 mg·kg-1, i.p.) or multiple (8, 15, or 30 mg·kg-1, i.p. × 4 at 2 h intervals)] treatment causes Parkinson's disease-related symptoms through damage to the dopamine system. In the result, we found that Mepirapim treatment caused comprehensive Parkinson's disease-related symptoms, including motor impairment, cognitive deficits and mood disorders. Furthermore, we confirmed the maladaptation in dopamine-related neurochemicals, including decreased dopamine levels, decreased tyrosine hydroxylase expression, and increased α-synuclein expression, in the brains of mice treated with Mepirapim. Taken together, these results indicate that Mepirapim has dangerous neurotoxic effects that induces Parkinson's disease-related behaviors by causing maladaptation of the dopamine system in the brain. Based on these findings, we propose the strict regulation of recreational abuse and therapeutic misuse of Mepirapim.
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Affiliation(s)
- Kwang-Hyun Hur
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Youyoung Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Audrey Lynn Donio
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Jae-Gyeong Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Bo-Ram Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Seon-Kyung Kim
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Seolmin Yoon
- Department of Fundamental Pharmaceutical Sciences, School of Pharmacy, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Yong-Sup Lee
- Department of Pharmacy, School of Pharmacy, Kyung Hee University, Seoul, 02447, Republic of Korea.,Department of Life and Nanopharmaceutical Sciences, School of Pharmacy, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology Program, School of Pharmacy, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Seok-Yong Lee
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Choon-Gon Jang
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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8
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Roque-Bravo R, Silva RS, Malheiro RF, Carmo H, Carvalho F, da Silva DD, Silva JP. Synthetic Cannabinoids: A Pharmacological and Toxicological Overview. Annu Rev Pharmacol Toxicol 2023; 63:187-209. [PMID: 35914767 DOI: 10.1146/annurev-pharmtox-031122-113758] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Synthetic cannabinoids (SCs) are a chemically diverse group of new psychoactive substances (NPSs) that target the endocannabinoid system, triggering a plethora of actions (e.g., elevated mood sensation, relaxation, appetite stimulation) that resemble, but are more intense than, those induced by cannabis. Although some of these effects have been explored for therapeutic applications, anticipated stronger psychoactive effects than cannabis and reduced risk perception have increased the recreational use of SCs, which have dominated the NPS market in the United States and Europe over the past decade. However, rising SC-related intoxications and deaths represent a major public health concern and embody a major challenge for policy makers. Here, we review the pharmacology and toxicology of SCs. A thorough characterization of SCs' pharmacodynamics and toxicodynamics is important to better understand the main mechanisms underlying acute and chronic effects of SCs, interpret the clinical/pathological findings related to SC use, and improve SC risk awareness.
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Affiliation(s)
- Rita Roque-Bravo
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; ,
| | - Rafaela Sofia Silva
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; ,
| | - Rui F Malheiro
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; ,
| | - Helena Carmo
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; ,
| | - Félix Carvalho
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; ,
| | - Diana Dias da Silva
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; , .,Toxicology Research Unit (TOXRUN), University Institute of Health Sciences, IUCS-CESPU, Gandra, Portugal
| | - João Pedro Silva
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, and UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; ,
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9
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Crosby SV, Ahmed IY, Osborn LR, Wang Z, Schleiff MA, Fantegrossi WE, Nagar S, Prather PL, Boysen G, Miller GP. Similar 5F-APINACA Metabolism between CD-1 Mouse and Human Liver Microsomes Involves Different P450 Cytochromes. Metabolites 2022; 12:metabo12080773. [PMID: 36005645 PMCID: PMC9413144 DOI: 10.3390/metabo12080773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/09/2022] [Accepted: 08/15/2022] [Indexed: 11/16/2022] Open
Abstract
In 2019, synthetic cannabinoids accounted for more than one-third of new drugs of abuse worldwide; however, assessment of associated health risks is not ethical for controlled and often illegal substances, making CD-1 mouse exposure studies the gold standard. Interpretation of those findings then depends on the similarity of mouse and human metabolic pathways. Herein, we report the first comparative analysis of steady-state metabolism of N-(1-adamantyl)-1-(5-pentyl)-1H-indazole-3-carboxamide (5F-APINACA/5F-AKB48) in CD-1 mice and humans using hepatic microsomes. Regardless of species, 5F-APINACA metabolism involved highly efficient sequential adamantyl hydroxylation and oxidative defluorination pathways that competed equally. Secondary adamantyl hydroxylation was less efficient for mice. At low 5F-APINACA concentrations, initial rates were comparable between pathways, but at higher concentrations, adamantyl hydroxylations became less significant due to substrate inhibition likely involving an effector site. For humans, CYP3A4 dominated both metabolic pathways with minor contributions from CYP2C8, 2C19, and 2D6. For CD-1 mice, Cyp3a11 and Cyp2c37, Cyp2c50, and Cyp2c54 contributed equally to adamantyl hydroxylation, but Cyp3a11 was more efficient at oxidative defluorination than Cyp2c members. Taken together, the results of our in vitro steady-state study indicate a high conservation of 5F-APINACA metabolism between CD-1 mice and humans, but deviations can occur due to differences in P450s responsible for the associated reactions.
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Affiliation(s)
- Samantha V. Crosby
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Izzeldin Y. Ahmed
- Department of Chemistry and Physics, Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
| | - Laura R. Osborn
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Zeyuan Wang
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19122, USA
| | - Mary A. Schleiff
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - William E. Fantegrossi
- Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Swati Nagar
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19122, USA
| | - Paul L. Prather
- Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Gunnar Boysen
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Grover P. Miller
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
- Correspondence:
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10
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Tirri M, Arfè R, Bilel S, Corli G, Marchetti B, Fantinati A, Vincenzi F, De-Giorgio F, Camuto C, Mazzarino M, Barbieri M, Gaudio RM, Varani K, Borea PA, Botrè F, Marti M. In Vivo Bio-Activation of JWH-175 to JWH-018: Pharmacodynamic and Pharmacokinetic Studies in Mice. Int J Mol Sci 2022; 23:ijms23148030. [PMID: 35887377 PMCID: PMC9318133 DOI: 10.3390/ijms23148030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/05/2022] [Accepted: 07/18/2022] [Indexed: 11/28/2022] Open
Abstract
3-(1-Naphthalenylmethyl)-1-pentyl-1H-indole (JWH-175) is a synthetic cannabinoid illegally marketed for its psychoactive cannabis-like effects. This study aimed to investigate and compare in vitro and in vivo pharmacodynamic activity of JWH-175 with that of 1-naphthalenyl (1-pentyl-1H-indol-3-yl)-methanone (JWH-018), as well as evaluate the in vitro (human liver microsomes) and in vivo (urine and plasma of CD-1 male mice) metabolic profile of JWH-175. In vitro binding studies showed that JWH-175 is a cannabinoid receptor agonist less potent than JWH-018 on mouse and human CB1 and CB2 receptors. In agreement with in vitro data, JWH-175 reduced the fESPS in brain hippocampal slices of mice less effectively than JWH-018. Similarly, in vivo behavioral studies showed that JWH-175 impaired sensorimotor responses, reduced breath rate and motor activity, and increased pain threshold to mechanical stimuli less potently than JWH-018. Metabolic studies demonstrated that JWH-175 is rapidly bioactivated to JWH-018 in mice blood, suggesting that in vivo effects of JWH-175 are also due to JWH-018 formation. The pharmaco-toxicological profile of JWH-175 was characterized for the first time, proving its in vivo bio-activation to the more potent agonist JWH-018. Thus, it highlighted the great importance of investigating the in vivo metabolism of synthetic cannabinoids for both clinical toxicology and forensic purposes.
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Affiliation(s)
- Micaela Tirri
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Raffaella Arfè
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Sabrine Bilel
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Giorgia Corli
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Beatrice Marchetti
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Anna Fantinati
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Fabrizio Vincenzi
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Fabio De-Giorgio
- Section of Legal Medicine, Department of Health Care Surveillance and Bioetics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
- A. Gemelli University Polyclinic Foundation IRCCS, 00168 Rome, Italy
| | - Cristian Camuto
- Laboratorio Antidoping FMSI, Largo Giulio Onesti 1, 00197 Rome, Italy; (C.C.); (M.M.); (F.B.)
| | - Monica Mazzarino
- Laboratorio Antidoping FMSI, Largo Giulio Onesti 1, 00197 Rome, Italy; (C.C.); (M.M.); (F.B.)
| | - Mario Barbieri
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy;
| | - Rosa Maria Gaudio
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
- University Center of Gender Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Katia Varani
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Pier Andrea Borea
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
| | - Francesco Botrè
- Laboratorio Antidoping FMSI, Largo Giulio Onesti 1, 00197 Rome, Italy; (C.C.); (M.M.); (F.B.)
- Institute of Sport Science, University of Lausanne (ISSUL), Synathlon, CH-1015 Lausanne, Switzerland
| | - Matteo Marti
- Section of Legal Medicine and LTTA Center, Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (R.A.); (S.B.); (G.C.); (B.M.); (F.V.); (R.M.G.); (K.V.); (P.A.B.)
- University Center of Gender Medicine, University of Ferrara, 44121 Ferrara, Italy
- Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, 00186 Rome, Italy
- Correspondence:
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11
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Epigenetic Studies for Evaluation of NPS Toxicity: Focus on Synthetic Cannabinoids and Cathinones. Biomedicines 2022; 10:biomedicines10061398. [PMID: 35740419 PMCID: PMC9219842 DOI: 10.3390/biomedicines10061398] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 11/26/2022] Open
Abstract
In the recent decade, numerous new psychoactive substances (NPSs) have been added to the illicit drug market. These are synthetized to mimic the effects of classic drugs of abuse (i.e., cannabis, cocaine, etc.), with the purpose of bypassing substance legislations and increasing the pharmacotoxicological effects. To date, research into the acute pharmacological effects of new NPSs is ongoing and necessary in order to provide an appropriate contribution to public health. In fact, multiple examples of NPS-related acute intoxication and mortality have been recorded in the literature. Accordingly, several in vitro and in vivo studies have investigated the pharmacotoxicological profiles of these compounds, revealing that they can cause adverse effects involving various organ systems (i.e., cardiovascular, respiratory effects) and highlighting their potential increased consumption risks. In this sense, NPSs should be regarded as a complex issue that requires continuous monitoring. Moreover, knowledge of long-term NPS effects is lacking. Because genetic and environmental variables may impact NPS responses, epigenetics may aid in understanding the processes behind the harmful events induced by long-term NPS usage. Taken together, “pharmacoepigenomics” may provide a new field of combined study on genetic differences and epigenetic changes in drug reactions that might be predictive in forensic implications.
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12
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Mepirapim, a Novel Synthetic Cannabinoid, Induces Addiction-Related Behaviors through Neurochemical Maladaptation in the Brain of Rodents. Pharmaceuticals (Basel) 2022; 15:ph15060710. [PMID: 35745629 PMCID: PMC9229951 DOI: 10.3390/ph15060710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 05/26/2022] [Accepted: 05/31/2022] [Indexed: 01/27/2023] Open
Abstract
Mepirapim is a synthetic cannabinoid that has recently been abused for recreational purposes. Although serious side effects have been reported from users, the dangerous pharmacological effects of Mepirapim have not been scientifically demonstrated. In this study, we investigated the addictive potential of Mepirapim through an intravenous self-administration test and a conditioned place preference test in rodents. Moreover, to determine whether the pharmacological effects of Mepirapim are mediated by cannabinoid receptors, we investigated whether Mepirapim treatment induces cannabinoid tetrad symptoms in mice. Lastly, to identify Mepirapim induced neurochemical maladaptation in the brains of mice, we performed microdialysis, western blots and neurotransmitter enzyme-linked immunosorbent assays. In the results, Mepirapim supported the maintenance of intravenous self-administration and the development of conditioned place preference. As a molecular mechanism of Mepirapim addiction, we identified a decrease in GABAeric signalling and an increase in dopaminergic signalling in the brain reward circuit. Finally, by confirming the Mepirapim-induced expression of cannabinoid tetrad symptoms, we confirmed that Mepirapim acts pharmacologically through cannabinoid receptor one. Taken together, we found that Mepirapim induces addiction-related behaviours through neurochemical maladaptation in the brain. On the basis of these findings, we propose the strict regulation of recreational abuse of Mepirapim.
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13
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Orazietti V, Basile G, Giorgetti R, Giorgetti A. Effects of synthetic cannabinoids on psychomotor, sensory and cognitive functions relevant for safe driving. Front Psychiatry 2022; 13:998828. [PMID: 36226105 PMCID: PMC9548613 DOI: 10.3389/fpsyt.2022.998828] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/07/2022] [Indexed: 11/24/2022] Open
Abstract
Recreational use of Synthetic Cannabinoids (SCs), one of the largest groups of New Psychoactive Substances (NPS), has increased globally over the past few years. Driving is a structured process requiring the cooperation of several cognitive and psychomotor functions, organized in different levels of complexity. Each of these functions can be affected when Driving Under the Influence (DUI) of SCs. In order to reduce the likelihood of SC-related road accidents, it is essential to understand which areas of psychomotor performance are most affected by these substances, as well as the severity of impairment. For this purpose, a multiple database- literature review of recent experimental studies in humans and animals regarding the psychomotor effects of SCs has been performed. Despite the many limitations connected to experimental studies on humans, results showed a consistency between animal and human data. SCs appear to impair psychomotor performance in humans, affecting different domains related to safe driving even at low doses. Cases of DUI of SC have been repeatedly reported, although the exact prevalence is likely to be underestimated due to current analytical and interpretative issues. For this reason, an accurate physical examination performed by trained and experienced personnel has a primary role in recognizing signs of impairment in case of strong suspicion of SC consumption. The identification of a suspected case should be followed by reliable laboratory examination.
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Affiliation(s)
- Vasco Orazietti
- Department of Excellence of Biomedical Sciences and Public Health, Marche Polytechnic University of Ancona, Ancona, Italy
| | - Giuseppe Basile
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Galeazzi Orthopedics Institute, Milan, Italy
| | - Raffaele Giorgetti
- Department of Excellence of Biomedical Sciences and Public Health, Marche Polytechnic University of Ancona, Ancona, Italy
| | - Arianna Giorgetti
- Department of Excellence of Biomedical Sciences and Public Health, Marche Polytechnic University of Ancona, Ancona, Italy.,Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
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14
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Dias da Silva D, Silva JP, Carmo H, Carvalho F. Neurotoxicity of psychoactive substances: A mechanistic overview. CURRENT OPINION IN TOXICOLOGY 2021. [DOI: 10.1016/j.cotox.2021.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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15
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Tirri M, Frisoni P, Bilel S, Arfè R, Trapella C, Fantinati A, Corli G, Marchetti B, De-Giorgio F, Camuto C, Mazzarino M, Gaudio RM, Serpelloni G, Schifano F, Botrè F, Marti M. Worsening of the Toxic Effects of (±) Cis-4,4'-DMAR Following Its Co-Administration with (±) Trans-4,4'-DMAR: Neuro-Behavioural, Physiological, Immunohistochemical and Metabolic Studies in Mice. Int J Mol Sci 2021; 22:ijms22168771. [PMID: 34445476 PMCID: PMC8395767 DOI: 10.3390/ijms22168771] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 11/16/2022] Open
Abstract
4,4’-Dimethylaminorex (4,4’-DMAR) is a new synthetic stimulant, and only a little information has been made available so far regarding its pharmaco-toxicological effects. The aim of this study was to investigate the effects of the systemic administration of both the single (±)cis (0.1–60 mg/kg) and (±)trans (30 and 60 mg/kg) stereoisomers and their co-administration (e.g., (±)cis at 1, 10 or 60 mg/kg + (±)trans at 30 mg/kg) in mice. Moreover, we investigated the effect of 4,4′-DMAR on the expression of markers of oxidative/nitrosative stress (8-OHdG, iNOS, NT and NOX2), apoptosis (Smac/DIABLO and NF-κB), and heat shock proteins (HSP27, HSP70, HSP90) in the cerebral cortex. Our study demonstrated that the (±)cis stereoisomer dose-dependently induced psychomotor agitation, sweating, salivation, hyperthermia, stimulated aggression, convulsions and death. Conversely, the (±)trans stereoisomer was ineffective whilst the stereoisomers’ co-administration resulted in a worsening of the toxic (±)cis stereoisomer effects. This trend of responses was confirmed by immunohistochemical analysis on the cortex. Finally, we investigated the potentially toxic effects of stereoisomer co-administration by studying urinary excretion. The excretion study showed that the (±)trans stereoisomer reduced the metabolism of the (±)cis form and increased its amount in the urine, possibly reflecting its increased plasma levels and, therefore, the worsening of its toxicity.
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Affiliation(s)
- Micaela Tirri
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
| | - Paolo Frisoni
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Sabrine Bilel
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
| | - Raffaella Arfè
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
| | - Claudio Trapella
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy; (C.T.); (A.F.)
| | - Anna Fantinati
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy; (C.T.); (A.F.)
| | - Giorgia Corli
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
| | - Beatrice Marchetti
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
| | - Fabio De-Giorgio
- Department of Health Care Surveillance and Bioetics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Cristian Camuto
- Laboratorio Antidoping FMSI, Largo Giulio Onesti 1, 00197 Rome, Italy; (C.C.); (M.M.); (F.B.)
| | - Monica Mazzarino
- Laboratorio Antidoping FMSI, Largo Giulio Onesti 1, 00197 Rome, Italy; (C.C.); (M.M.); (F.B.)
| | - Rosa Maria Gaudio
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
| | - Giovanni Serpelloni
- Neuroscience Clinical Center & TMS Unit, 37138 Verona, Italy;
- Department of Psychiatry in the College of Medicine, Drug Policy Institute, University of Florida, Gainesville, FL 32611, USA
| | - Fabrizio Schifano
- Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK;
| | - Francesco Botrè
- Laboratorio Antidoping FMSI, Largo Giulio Onesti 1, 00197 Rome, Italy; (C.C.); (M.M.); (F.B.)
- Institute of Sport Science, University of Lausanne (ISSUL), Synathlon, 1015 Lausanne, Switzerland
| | - Matteo Marti
- LTTA Center and University Center of Gender Medicine, Department of Translational Medicine, Section of Legal Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.T.); (S.B.); (R.A.); (G.C.); (B.M.); (R.M.G.)
- Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, 00186 Rome, Italy
- Correspondence:
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16
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Foti F, Bilel S, Tirri M, Arfè R, Boccuto F, Bernardi T, Serpelloni G, De-Giorgio F, Marti M. Low-normal doses of methiopropamine induce aggressive behaviour in mice. Psychopharmacology (Berl) 2021; 238:1847-1856. [PMID: 33770233 DOI: 10.1007/s00213-021-05813-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 03/01/2021] [Indexed: 02/06/2023]
Abstract
Recreational use of illicit methiopropamine (MPA) is a public health concern because it produces neurochemical effects comparable with those induced by methamphetamine (METH). The present study investigated the effects of MPA on the expression of an aggressive behaviour. Eighty CD-1 male mice, after receiving intraperitoneal injection of saline, MPA (0.01-10 mg/kg), METH (0.01-10 mg/kg), or AMPH (0.01-10 mg/kg), once a week over a 5-week period, underwent the resident-intruder test and spontaneous locomotor activity measurement. Results showed that all psychostimulants induce aggressive behaviour even at low doses, with a dose-dependent increase and a time-dependent sensitisation. MPA potency was similar to METH and superior to AMPH. Therefore, MPA-induced aggressive behaviour may appear even at MPA dosages free of cardiovascular or other behavioural adverse effects and could become a non-intentional side effect that users experience after increasing and repeating MPA consumption.
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Affiliation(s)
- Federica Foti
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Sabrine Bilel
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Micaela Tirri
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Raffaella Arfè
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Federica Boccuto
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Tatiana Bernardi
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Giovanni Serpelloni
- Department of Psychiatry in the College of Medicine, Drug Policy Institute, University of Florida, Gainesville, FL, USA
| | - Fabio De-Giorgio
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy. .,Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Matteo Marti
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy. .,Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Rome, Italy. .,Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy.
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17
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The why behind the high: determinants of neurocognition during acute cannabis exposure. Nat Rev Neurosci 2021; 22:439-454. [PMID: 34045693 DOI: 10.1038/s41583-021-00466-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2021] [Indexed: 11/08/2022]
Abstract
Acute cannabis intoxication may induce neurocognitive impairment and is a possible cause of human error, injury and psychological distress. One of the major concerns raised about increasing cannabis legalization and the therapeutic use of cannabis is that it will increase cannabis-related harm. However, the impairing effect of cannabis during intoxication varies among individuals and may not occur in all users. There is evidence that the neurocognitive response to acute cannabis exposure is driven by changes in the activity of the mesocorticolimbic and salience networks, can be exacerbated or mitigated by biological and pharmacological factors, varies with product formulations and frequency of use and can differ between recreational and therapeutic use. It is argued that these determinants of the cannabis-induced neurocognitive state should be taken into account when defining and evaluating levels of cannabis impairment in the legal arena, when prescribing cannabis in therapeutic settings and when informing society about the safe and responsible use of cannabis.
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18
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Molecular Mechanisms of Action of Novel Psychoactive Substances (NPS). A New Threat for Young Drug Users with Forensic-Toxicological Implications. Life (Basel) 2021; 11:life11050440. [PMID: 34068903 PMCID: PMC8156937 DOI: 10.3390/life11050440] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 12/16/2022] Open
Abstract
Novel psychoactive substances (NPS) represent a severe health risk for drug users. Even though the phenomenon has been growing since the early 2000s, the mechanisms of action of NPS at the receptors and beyond them are still scarcely understood. The aim of the present study was to provide a systematic review of the updated knowledge regarding the molecular mechanisms underlying the toxicity of synthetic opioids, cannabinoids, cathinones, and stimulants. The study was conducted on the PubMed database. Study eligibility criteria included relevance to the topic, English language, and time of publication (2010–2020). A combined Mesh and free-text protocols search was performed. Study selection was performed on the title/abstract and, in doubtful cases, on the full texts of papers. Of the 580 records identified through PubMed searching and reference checking, 307 were excluded by title/abstract and 78 additional papers were excluded after full-text reading, leaving a total of 155 included papers. Molecular mechanisms of synthetic opioids, synthetic cannabinoids, stimulants, psychedelics, and hallucinogens were reviewed and mostly involved both a receptor-mediated and non-receptor mediated cellular modulation with multiple neurotransmitters interactions. The molecular mechanisms underlying the action of NPS are more complex than expected, with a wide range of overlap among activated receptors and neurotransmitter systems. The peculiar action profile of single compounds does not necessarily reflect that of the structural class to which they belong, accounting for possible unexpected toxic reactions.
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19
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Neurochemical and Behavioral Characterization after Acute and Repeated Exposure to Novel Synthetic Cannabinoid Agonist 5-MDMB-PICA. Brain Sci 2020; 10:brainsci10121011. [PMID: 33353194 PMCID: PMC7766979 DOI: 10.3390/brainsci10121011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/06/2020] [Accepted: 12/14/2020] [Indexed: 01/21/2023] Open
Abstract
Since the early 2000s, herbal mixtures containing synthetic cannabinoids (SCs), broadly known as Spice/K2, have been marketed as a legal marijuana surrogate and have become very popular among adolescents. Adolescence is a critical period of development, which is associated with an increased vulnerability to the central effects of drugs. Despite growing concerns about the negative effects of the use of SCs, newly synthetized compounds are increasingly detected in drugs seized by the authorities, posing a serious threat to public health. 5F-MDMB-PICA has been recently detected and classified as a highly potent agonist of CB1 and CB2 cannabinoid receptors. Here, we first investigated the rewarding properties of 5F-MDMB-PICA in C57BL/6 adolescent and adult mice by in vivo brain microdialysis. Data showed that acute administration of a selected dose of 5F-MDMB-PICA (0.01 mg/kg i.p.) stimulates the release of dopamine in the nucleus accumbens shell of adolescent, but not of adult, mice. To further investigate the consequences of repeated exposure to this dose of 5F-MDMB-PICA, a separate group of adolescent mice was treated for 14 consecutive days and evaluated for behavioral abnormalities at adulthood, starting from 7 days after drug discontinuation. Data showed that this group of adult mice displayed an anxiety-like and compulsive-like state as revealed by an altered performance in the marble burying test. Our study suggests an alarming vulnerability of adolescent mice to the effects of 5F-MDMB-PICA. These findings provide a useful basis for understanding and evaluating both early and late detrimental effects that may derive from the use of SCs during adolescence.
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20
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Brunt TM, Bossong MG. The neuropharmacology of cannabinoid receptor ligands in central signaling pathways. Eur J Neurosci 2020; 55:909-921. [PMID: 32974975 PMCID: PMC9291836 DOI: 10.1111/ejn.14982] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/10/2020] [Accepted: 09/12/2020] [Indexed: 12/26/2022]
Abstract
The endocannabinoid system is a complex neuronal system involved in a number of biological functions, like attention, anxiety, mood, memory, appetite, reward, and immune responses. It is at the centre of scientific interest, which is driven by therapeutic promise of certain cannabinoid ligands and the changing legalization of herbal cannabis in many countries. The endocannabinoid system is a modulatory system, with endocannabinoids as retrograde neurotransmitters rather than direct neurotransmitters. Neuropharmacology of cannabinoid ligands in the brain can therefore be understood in terms of their modulatory actions through other neurotransmitter systems. The CB1 receptor is chiefly responsible for effects of endocannabinoids and analogous ligands in the brain. An overview of the neuropharmacology of several cannabinoid receptor ligands, including endocannabinoids, herbal cannabis and synthetic cannabinoid receptor ligands is given in this review. Their mechanism of action at the endocannabinoid system is described, mainly in the brain. In addition, effects of cannabinoid ligands on other neurotransmitter systems will also be described, such as dopamine, serotonin, glutamate, noradrenaline, opioid, and GABA. In light of this, therapeutic potential and adverse effects of cannabinoid receptor ligands will also be discussed.
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Affiliation(s)
- Tibor M. Brunt
- Department of Psychiatry Amsterdam Institute for Addiction ResearchAmsterdam UMCUniversity of Amsterdam Amsterdam The Netherlands
| | - Matthijs G. Bossong
- Department of Psychiatry University Medical Center Utrecht Brain CenterUtrecht University Utrecht The Netherlands
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21
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Fattore L, Marti M, Mostallino R, Castelli MP. Sex and Gender Differences in the Effects of Novel Psychoactive Substances. Brain Sci 2020; 10:brainsci10090606. [PMID: 32899299 PMCID: PMC7564810 DOI: 10.3390/brainsci10090606] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022] Open
Abstract
Sex and gender deeply affect the subjective effects and pharmaco-toxicological responses to drugs. Men are more likely than women to use almost all types of illicit drugs and to present to emergency departments for serious or fatal intoxications. However, women are just as likely as men to develop substance use disorders, and may be more susceptible to craving and relapse. Clinical and preclinical studies have shown important differences between males and females after administration of “classic” drugs of abuse (e.g., Δ9-tetrahydrocannabinol (THC), morphine, cocaine). This scenario has become enormously complicated in the last decade with the overbearing appearance of the new psychoactive substances (NPS) that have emerged as alternatives to regulated drugs. To date, more than 900 NPS have been identified, and can be catalogued in different pharmacological categories including synthetic cannabinoids, synthetic stimulants (cathinones and amphetamine-like), hallucinogenic phenethylamines, synthetic opioids (fentanyls and non-fentanyls), new benzodiazepines and dissociative anesthetics (i.e., methoxetamine and phencyclidine-derivatives). This work collects the little knowledge reached so far on the effects of NPS in male and female animal and human subjects, highlighting how much sex and gender differences in the effects of NPS has yet to be studied and understood.
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Affiliation(s)
- Liana Fattore
- Institute of Neuroscience-Cagliari, National Research Council (CNR), Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy
- Correspondence:
| | - Matteo Marti
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Center, University of Ferrara, 44121 Ferrara, Italy;
- Department of Anti-Drug Policies, Collaborative Center for the Italian National Early Warning System, Presidency of the Council of Ministers, 00187 Rome, Italy
| | - Rafaela Mostallino
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy; (R.M.); (M.P.C.)
| | - Maria Paola Castelli
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy; (R.M.); (M.P.C.)
- National Institute of Neuroscience (INN), University of Cagliari, 09124 Cagliari, Italy
- Center of Excellence “Neurobiology of Addiction”, University of Cagliari, 09124 Cagliari, Italy
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22
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De-Giorgio F, Bilel S, Tirri M, Arfè R, Trapella C, Camuto C, Foti F, Frisoni P, Neri M, Botrè F, Marti M. Methiopropamine and its acute behavioral effects in mice: is there a gray zone in new psychoactive substances users? Int J Legal Med 2020; 134:1695-1711. [DOI: 10.1007/s00414-020-02302-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/14/2020] [Indexed: 12/18/2022]
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23
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Morbiato E, Bilel S, Tirri M, Arfè R, Fantinati A, Savchuk S, Appolonova S, Frisoni P, Tagliaro F, Neri M, Grignolio S, Bertolucci C, Marti M. Potential of the zebrafish model for the forensic toxicology screening of NPS: A comparative study of the effects of APINAC and methiopropamine on the behavior of zebrafish larvae and mice. Neurotoxicology 2020; 78:36-46. [PMID: 32050087 DOI: 10.1016/j.neuro.2020.02.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 02/07/2020] [Accepted: 02/08/2020] [Indexed: 10/25/2022]
Abstract
The increased diffusion of the so-called novel psychoactive substances (NPS) and their continuous change in structure andconceivably activity has led to the need of a rapid screening method to detect their biological effects as early as possible after their appearance in the market. This problem is very felt in forensic pathology and toxicology, so the preclinical study is fundamental in the approach to clinical and autopsy cases of difficult interpretation intoxication. Zebrafish is a high-throughput suitable model to rapidly hypothesize potential aversive or beneficial effects of novel molecules. In the present study, we measured and compared the behavioral responses to two novel neuroactive drugs, namely APINAC, a new cannabimimetic drug, and methiopropamine (MPA), a methamphetamine-like compound, on zebrafish larvae (ZL) and adult mice. By using an innovative statistical approach (general additive models), it was found that the spontaneous locomotor activity was impaired by the two drugs in both species: the disruption extent varied in a dose-dependent and time-dependent manner. Sensorimotor function was also altered: i) the visual object response was reduced in mice treated with APINAC, whereas it was not after exposure to MPA; ii) the visual placing responses were reduced after treatment with both NPS in mice. Furthermore, the visual motor response detected in ZL showed a reduction after treatment with APINAC during light-dark and dark-light transition. The same pattern was found in the MPA exposed groups only at the dark-light transition, while at the transition from light to dark, the individuals showed an increased response. In conclusion, the present study highlighted the impairment of spontaneous motor and sensorimotor behavior induced by MPA and APINAC administration in both species, thus confirming the usefulness of ZL as a model for a rapid behavioural-based drug screening.
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Affiliation(s)
- Elisa Morbiato
- Department of Life Sciences and Biotechnology (SVeB), University of Ferrara, Italy
| | - Sabrine Bilel
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Italy
| | - Micaela Tirri
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Italy
| | - Raffaella Arfè
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Italy; Institute of Public Health, Section of Legal Medicine, Catholic University, Rome, Italy
| | - Anna Fantinati
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Italy
| | - Sergey Savchuk
- Institute of Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Svetlana Appolonova
- Institute of Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Paolo Frisoni
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Italy
| | - Franco Tagliaro
- Unit of Forensic Medicine, Department of Diagnostics and Public Health, University of Verona, Policlinico "G.B. Rossi", Verona, Italy; Institute of Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Margherita Neri
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Italy
| | | | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology (SVeB), University of Ferrara, Italy
| | - Matteo Marti
- Department of Morphology, Surgery and Experimental Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Italy; Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Italy.
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24
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Genotoxic Properties of Synthetic Cannabinoids on TK6 Human Cells by Flow Cytometry. Int J Mol Sci 2020; 21:ijms21031150. [PMID: 32050487 PMCID: PMC7037131 DOI: 10.3390/ijms21031150] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/23/2020] [Accepted: 02/05/2020] [Indexed: 12/31/2022] Open
Abstract
Novel Psychoactive Substances (NPS) include several classes of substances such as synthetic cannabinoids (SCBs), an emerging alternative to marijuana, easily purchasable on internet. SCBs are more dangerous than Δ9-Tetrahydrocannabinol as a consequence of their stronger affinities for the CB1 and CB2 receptors, which may result in longer duration of distinct effects, greater potency, and toxicity. The information on SCBs cytotoxicity, genotoxicity, mutagenicity, and long-term effects is scarce. This fact suggests the urgent need to increase available data and to investigate if some SCBs have an impact on the stability of genetic material. Therefore, the aim of the present study was the evaluation of the mutagenic effect of different SCBs belonging to indole- and indazole-structures. The analyzes were conducted in vitro on human TK6 cells and mutagenicity were measured as micronucleus fold increase by flow cytometry. Our results have highlighted, for the first time, the mutagenic capacity of four SCBs, in particular in terms of chromosomal damage induction. We underline the serious potential toxicity of SCBs that suggests the need to proceed with the studies of other different synthetic compounds. Moreover, we identified a method that allows a rapid but effective screening of NPS placed on the market increasingly faster.
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25
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Bilel S, Tirri M, Arfè R, Stopponi S, Soverchia L, Ciccocioppo R, Frisoni P, Strano-Rossi S, Miliano C, De-Giorgio F, Serpelloni G, Fantinati A, De Luca MA, Neri M, Marti M. Pharmacological and Behavioral Effects of the Synthetic Cannabinoid AKB48 in Rats. Front Neurosci 2019; 13:1163. [PMID: 31736697 PMCID: PMC6831561 DOI: 10.3389/fnins.2019.01163] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/14/2019] [Indexed: 12/12/2022] Open
Abstract
AKB48 is a designer drug belonging to the indazole synthetic cannabinoids class, illegally sold as herbal blend, incense, or research chemicals for their psychoactive cannabis-like effects. In the present study, we investigated the in vivo pharmacological and behavioral effects of AKB48 in male rats and measured the pharmacodynamic effects of AKB48 and simultaneously determined its plasma pharmacokinetic. AKB48 at low doses preferentially stimulated dopamine release in the nucleus accumbens shell (0.25 mg/kg) and impaired visual sensorimotor responses (0.3 mg/kg) without affecting acoustic and tactile reflexes, which are reduced only to the highest dose tested (3 mg/kg). Increasing doses (0.5 mg/kg) of AKB48 impaired place preference and induced hypolocomotion in rats. At the highest dose (3 mg/kg), AKB48 induced hypothermia, analgesia, and catalepsy; inhibited the startle/pre-pulse inhibition test; and caused cardiorespiratory changes characterized by bradycardia and mild bradipnea and SpO2 reduction. All behavioral and neurochemical effects were fully prevented by the selective CB1 receptor antagonist/inverse agonist AM251. AKB48 plasma concentrations rose linearly with increasing dose and were correlated with changes in the somatosensory, hypothermic, analgesic, and cataleptic responses in rats. For the first time, this study shows the pharmacological and behavioral effects of AKB48 in rats, correlating them to the plasma levels of the synthetic cannabinoid. Chemical Compound Studied in This Article: AKB48 (PubChem CID: 57404063); AM251 (PubChem CID: 2125).
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Affiliation(s)
- Sabrine Bilel
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy
| | - Micaela Tirri
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy
| | - Raffaella Arfè
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy.,Section of Legal Medicine, Institute of Public Health, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Serena Stopponi
- Pharmacology Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Laura Soverchia
- Pharmacology Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Roberto Ciccocioppo
- Pharmacology Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Paolo Frisoni
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy
| | - Sabina Strano-Rossi
- Section of Legal Medicine, Institute of Public Health, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Cristina Miliano
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Fabio De-Giorgio
- Section of Legal Medicine, Institute of Public Health, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giovanni Serpelloni
- Department of Psychiatry in the College of Medicine, Drug Policy Institute, University of Florida, Gainesville, FL, United States
| | - Anna Fantinati
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | | | - Margherita Neri
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy
| | - Matteo Marti
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy.,Department of Anti-Drug Policies, Presidency of the Council of Ministers, Collaborative Center for the Italian National Early Warning System, Ferrara, Italy
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26
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In Vitro Inhibitory Effects of APINACA on Human Major Cytochrome P450, UDP-Glucuronosyltransferase Enzymes, and Drug Transporters. Molecules 2019; 24:molecules24163000. [PMID: 31430908 PMCID: PMC6720883 DOI: 10.3390/molecules24163000] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/14/2019] [Accepted: 08/17/2019] [Indexed: 11/17/2022] Open
Abstract
APINACA (known as AKB48, N-(1-adamantyl)-1-pentyl-1H-indazole-3-carboxamide), an indazole carboxamide synthetic cannabinoid, has been used worldwide as a new psychoactive substance. Drug abusers take various drugs concomitantly, and therefore, it is necessary to characterize the potential of APINACA-induced drug–drug interactions due to the modulation of drug-metabolizing enzymes and transporters. In this study, the inhibitory effects of APINACA on eight major human cytochrome P450s (CYPs) and six uridine 5′-diphospho-glucuronosyltransferases (UGTs) in human liver microsomes, as well as on the transport activities of six solute carrier transporters and two efflux transporters in transporter-overexpressed cells, were investigated. APINACA exhibited time-dependent inhibition of CYP3A4-mediated midazolam 1′-hydroxylation (Ki, 4.5 µM; kinact, 0.04686 min−1) and noncompetitive inhibition of UGT1A9-mediated mycophenolic acid glucuronidation (Ki, 5.9 µM). APINACA did not significantly inhibit the CYPs 1A2, 2A6, 2B6, 2C8/9/19, or 2D6 or the UGTs 1A1, 1A3, 1A4, 1A6, or 2B7 at concentrations up to 100 µM. APINACA did not significantly inhibit the transport activities of organic anion transporter (OAT)1, OAT3, organic anion transporting polypeptide (OATP)1B1, OATP1B3, organic cation transporter (OCT)1, OCT2, P-glycoprotein, or breast cancer resistance protein at concentrations up to 250 μM. These data suggest that APINACA can cause drug interactions in the clinic via the inhibition of CYP3A4 or UGT1A9 activities.
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27
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De-Giorgio F, Bilel S, Ossato A, Tirri M, Arfè R, Foti F, Serpelloni G, Frisoni P, Neri M, Marti M. Acute and repeated administration of MDPV increases aggressive behavior in mice: forensic implications. Int J Legal Med 2019; 133:1797-1808. [PMID: 31154497 DOI: 10.1007/s00414-019-02092-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 05/22/2019] [Indexed: 01/18/2023]
Abstract
MDPV is a synthetic cathinone illegally marketed and consumed for its psychostimulant effects, which are similar to those produced by cocaine, amphetamines, and MDMA. Clinical reports indicate that MDPV produces euphoria, increases alertness, and at high doses causes agitation, psychosis, tachycardia and hypertension, hallucinations, delirium, hyperthermia, rhabdomyolysis, and even death. In rodents, MDPV reproduces the typical physiological effects of psychostimulant drugs, demonstrating greater potency than cocaine. Nevertheless, its role in aggressive behavior has been reported but not yet experimentally confirmed. Therefore, the aim of this study was to evaluate the effects of acute and repeated MDPV (0.01-10 mg/kg i.p.) administration on aggressive behavior in mice and to compare them with those of cocaine (0.01-10 mg/kg i.p.) administration. To this purpose, the resident-intruder test in isolated mice and the spontaneous and stimulated aggressiveness tests for group-housed mice were employed. The present study shows for the first time that MDPV enhances aggressive behavior and locomotion in mice with greater potency and efficacy than cocaine treatment. Moreover, the aggressive and locomotor responses are enhanced after repeated administration, indicating that a sensitization mechanism comes into play. These results, although from preclinical investigation, are suggestive that human MDPV intake could be a problem for public health and the criminal justice system. Thus, investigation by police officers and medical staff is needed to prevent interpersonal violence induced by the consumption of synthetic cathinones.
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Affiliation(s)
- Fabio De-Giorgio
- Institute of Public Health, Section of Legal Medicine, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00168, Rome, Italy
| | - Sabrine Bilel
- Department of Life Sciences and Biotechnology (SVeB), University of Ferrara, Ferrara, Italy
| | - Andrea Ossato
- Institute of Public Health, Section of Legal Medicine, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00168, Rome, Italy
| | - Micaela Tirri
- Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Ferrara, Italy.,Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and LTTA Centre, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy
| | - Raffaella Arfè
- Institute of Public Health, Section of Legal Medicine, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00168, Rome, Italy.,Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and LTTA Centre, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy
| | - Federica Foti
- Institute of Public Health, Section of Legal Medicine, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00168, Rome, Italy
| | - Giovanni Serpelloni
- Department of Psychiatry in the College of Medicine, Drug Policy Institute, University of Florida, Gainesville, FL, USA
| | - Paolo Frisoni
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and LTTA Centre, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy
| | - Margherita Neri
- Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and LTTA Centre, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy
| | - Matteo Marti
- Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Ferrara, Italy. .,Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine and LTTA Centre, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy.
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28
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Potential Mechanisms Underlying the Deleterious Effects of Synthetic Cannabinoids Found in Spice/K2 Products. Brain Sci 2019; 9:brainsci9010014. [PMID: 30654473 PMCID: PMC6357179 DOI: 10.3390/brainsci9010014] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 01/11/2019] [Accepted: 01/13/2019] [Indexed: 12/17/2022] Open
Abstract
The chief psychoactive constituent of many bioactive phytocannabinoids (Δ9-tetrahydrocannabinol, Δ9-THC) found in hemp, cannabis or marijuana plants are scientifically denoted by the Latin term, Cannabis sativa, acts on cell surface receptors. These receptors are ubiquitously expressed. To date, two cannabinoid receptors have been cloned and characterized. Cannabinoid receptor type 1 (CB1R) is found to serve as the archetype for cannabinoid action in the brain. They have attracted wide interest as the mediator of all psychoactive properties of exogenous and endogenous cannabinoids and they are abundantly expressed on most inhibitory and excitatory neurons. Recent evidence established that cannabinoid receptor type 2 (CB2R) is also expressed in the neurons at both presynaptic and postsynaptic terminals and are involved in neuropsychiatric effects. Distinct types of cells in many regions in the brain express CB2Rs and the cellular origin of CB2Rs that induce specific behavioral effects are emerging. To mimic the bliss effects of marijuana, synthetic cannabinoids (SCBs) have been sprayed onto plant material, and this plant material has been consequently packaged and sold under brand name “Spice” or “K2”. These SCBs have been shown to maintain their affinity and functional activity for CB1R and CB2R and have been shown to cause severe harmful effects when compared to the effects of Δ9-THC. The present review discusses the potential brain mechanisms that are involved in the deleterious effects of SCBs.
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Fantegrossi WE, Wilson CD, Berquist MD. Pro-psychotic effects of synthetic cannabinoids: interactions with central dopamine, serotonin, and glutamate systems. Drug Metab Rev 2018; 50:65-73. [PMID: 29385930 DOI: 10.1080/03602532.2018.1428343] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An association between marijuana use and schizophrenia has been noted for decades, and the recent emergence of high-efficacy synthetic cannabinoids (SCBs) as drugs of abuse has lead to a growing number of clinical reports of persistent psychotic effects in users of these substances. The mechanisms underlying SCB-elicited pro-psychotic effects is unknown, but given the ubiquitous neuromodulatory functions of the endocannabinoid system, it seems likely that agonist actions at cannabinoid type-1 receptors (CB1Rs) might modulate the functions of other neurotransmitter systems known to be involved in schizophrenia. The present review surveys what is currently known about the interactions of CB1Rs with dopamine, serotonin, and glutamate systems, because all three of those neurotransmitters are well-established in the pathophysiology of schizophrenia and psychosis. Identification of molecular mechanisms underlying the pro-psychotic effects of SCB drugs of abuse may establish certain classes of these substances as particularly dangerous, guiding regulations to control availability of these drugs. Likewise, an understanding of the pharmacological interactions which lead to schizophrenia and psychosis subsequent to SCB exposure might guide the development of novel therapies to treat afflicted users.
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Affiliation(s)
- William E Fantegrossi
- a Department of Pharmacology and Toxicology , University of Arkansas for Medical Sciences, College of Medicine , Little Rock , AR , USA
| | - Catheryn D Wilson
- a Department of Pharmacology and Toxicology , University of Arkansas for Medical Sciences, College of Medicine , Little Rock , AR , USA
| | - Michael D Berquist
- a Department of Pharmacology and Toxicology , University of Arkansas for Medical Sciences, College of Medicine , Little Rock , AR , USA
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Affiliation(s)
- Mary Tresa Zanda
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria di Monserrato, Monserrato, Italy
| | - Liana Fattore
- Institute of Neuroscience-Cagliari, National Research Council of Italy, Cittadella Universitaria di Monserrato, Monserrato, Italy
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