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Gould A, Dargan PI, Wood DM. An Internet Snapshot Survey Assessing the sale of Synthetic Cannabinoid Receptor Agonists for use with Electronic Vaping Devices. J Med Toxicol 2024; 20:271-277. [PMID: 38839732 PMCID: PMC11288222 DOI: 10.1007/s13181-024-01013-0] [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: 02/29/2024] [Revised: 05/02/2024] [Accepted: 05/20/2024] [Indexed: 06/07/2024] Open
Abstract
INTRODUCTION Synthetic cannabinoid receptor agonists (SCRAs) are associated with significant toxicity and are increasingly used in electronic vaping devices. We assessed the availability of SCRA vaping products to UK purchasers on the surface web. METHODS An internet snapshot survey was performed between October 2022 and January 2023 on 'google.com' using the search terms "buy c-liquid vape", "buy herbal incense vape liquid", "buy cannabis vape liquid", "buy hashish vape liquid", "buy K2 vape liquid". RESULTS 62 websites selling 128 SCRA vaping brands were identified. Most were purportedly based in the USA (41 websites, 66%) and most sold other controlled substances. Purchase incentives offered included discreet packaging (38, 61%), discounts for bulk purchase (34, 55%) and tracked delivery (30, 48%). Many websites stated SCRA products were: not for human consumption (41, 66%), for research purposes only (15, 24%), or legal (28, 45%). Websites sold a median (IQR) of 16 (7-25) SCRA vaping brands. Almost all were bottles of vaping liquid (1220/1225, 99.6%). The most common bottle size was 5mL (60%), the median (IQR) total volume of SCRA liquid per sale was 50mL (10-200mL). Median (IQR) price was £3.39/mL (£2.01/mL- £5.29/mL). Price decreased with increasing volume purchased (£6.58/mL for ≤ 5mL, £1.60/mL for > 200mL). CONCLUSION SCRA vaping products are easily obtainable online, in both small and bulk quantities. Information provided to purchasers on safety and legality is lacking or misleading. Further studies are needed to confirm the chemistry of these products. Policymakers should consider steps to limit the potential harm caused by the purchase and use of these products.
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Affiliation(s)
- Allon Gould
- Respiratory Medicine, Whipps Cross University Hospital, Barts Health NHS Trust, London, UK.
| | - Paul I Dargan
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Clinical Toxicology, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - David M Wood
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Clinical Toxicology, Faculty of Life Sciences and Medicine, King's College London, London, UK
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2
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Gao Y, Shi K, Wang P, Liu X, Liu C, Luo L, Lin Y, Yang L, Yang R, Liao L. Identification of phase-I and phase-II metabolites and the metabolic pathway of the novel synthetic cannabinoid 5F-EDMB-PICA in vitro. Arch Toxicol 2024; 98:2879-2888. [PMID: 38955863 DOI: 10.1007/s00204-024-03790-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 05/15/2024] [Indexed: 07/04/2024]
Abstract
5F-EDMB-PICA is a newly emerged synthetic cannabinoid which has been characterized in relevant literature in recent years. Although phase-I metabolites of 5F-EDMB-PICA have been partly reported, the phase-II metabolism of this synthetic cannabinoid has not been studied yet. In this study, we established a phase-I and phase-II metabolism model in vitro by using pooled human liver microsomes, NADPH regeneration system, and UGT incubation system, with 1 mg/ml 5F-EDMB-PICA added and incubated at 37 °C for 60 min. The metabolites were analyzed by Q Exactive™ Hybrid Quadrupole-Orbitrap™ Mass Spectrometer, via which we discovered and identified 14 phase-I metabolites and 4 phase-II metabolites of 5F-EDMB-PICA, involving pathways such as ester hydrolysis, dehydrogenation, hydrolytic defluorination, hydroxylation, dihydroxylation, glucuronidation, and combinations of the pathways mentioned above. We recommend considering the monohydroxylation metabolites (M9, M10) with higher content and intact ester and 5-fluoropentyl structures as potential biomarkers of 5F-EDMB-PICA.
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Affiliation(s)
- Yujie Gao
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Kaiting Shi
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Peipei Wang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Xinyu Liu
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Chenxi Liu
- National Anti-Drug Laboratory Sichuan Regional Center, Chengdu, China
| | - Liya Luo
- National Anti-Drug Laboratory Sichuan Regional Center, Chengdu, China
| | - Yanchen Lin
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Lin Yang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Rongji Yang
- National Anti-Drug Laboratory Sichuan Regional Center, Chengdu, China.
| | - Linchuan Liao
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.
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Alzu'bi A, Abu-El-Rub E, Al-Trad B, Alzoubi H, Abu-El-Rub H, Albals D, Abdelhady GT, Bader NS, Almazari R, Al-Zoubi RM. In vivo assessment of the nephrotoxic effects of the synthetic cannabinoid AB-FUBINACA. Forensic Toxicol 2024:10.1007/s11419-024-00699-9. [PMID: 39120650 DOI: 10.1007/s11419-024-00699-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Accepted: 07/28/2024] [Indexed: 08/10/2024]
Abstract
BACKGROUND The widespread misuse of synthetic cannabinoids (SCs) has led to a notable increase in reported adverse effects, raising significant health concerns. SCs use has been particularly associated with acute kidney injury (AKI). However, the pathogenesis of SCs-induced AKI is not well-understood. METHODS We investigated the nephrotoxic effect of acute administration of N-[(1S)- 1-(aminocarbonyl)-2-methylpropyl]-1-[(4-fluorophenyl)methyl]-1H-indazole-3-carboxamide (AB-FUBINKA) (3 mg/kg for 5 days) in mice. Various parameters of oxidative stress, inflammation, and apoptosis have been quantified. The expressions of mitochondrial complexes (I-V) in renal tissues were also assessed. RESULTS Our findings showed that AB-FUBINACA induced substantial impairment in the renal function that is accompanied by elevated expression of renal tubular damage markers; KIM-1 and NGAL. Administration of AB-FUBINACA was found to be associated with a significant increase in the expression of oxidative stress markers (iNOS, NOX4, NOX2, NOS3) and the level of lipid peroxidation in the kidney. The expression of pro-inflammatory markers (IL-6, TNF-alpha, NF-kB) was also enhanced following exposure to AB-FUBINACA. These findings were also correlated with increased expression of major apoptosis regulatory markers (Bax, caspase-9, caspase-3) and reduced expression of mitochondrial complexes I, III, and IV. CONCLUSION These results indicate that AB-FUBINACA can trigger oxidative stress and inflammation, and activate caspase-dependent apoptosis in the kidney, with these processes being possibly linked to disruption of mitochondrial complexes and could be an underlying mechanism of SCs-induced nephrotoxicity.
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Affiliation(s)
- Ayman Alzu'bi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan.
| | - Ejlal Abu-El-Rub
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Bahaa Al-Trad
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, 211-63, Jordan
| | - Hiba Alzoubi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Hadeel Abu-El-Rub
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Dima Albals
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Yarmouk University, Irbid, 211-63, Jordan
| | - Gamal T Abdelhady
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, 11566, Egypt
| | - Noor S Bader
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Rawan Almazari
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, 211-63, Jordan
| | - Raed M Al-Zoubi
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, 3050, Doha, Qatar.
- Department of Biomedical Sciences, QU-Health, College of Health Sciences, Qatar University, 2713, Doha, Qatar.
- Department of Chemistry, Jordan University of Science and Technology, P.O.Box 3030, Irbid, 22110, Jordan.
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4
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Hamed Dessoki H, Mostafa Mohammed Z, Ismael MS, Osama H, Salah H. Impulsivity and self-harm behavior in patients with synthetic cannabinoids dependence. J Addict Dis 2024:1-9. [PMID: 39086240 DOI: 10.1080/10550887.2024.2375462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
BACKGROUND Synthetic cannabinoids (SCs) dependence is increasingly prevalent among young individuals globally, with limited understanding of their potential detrimental effects. Therefore, we conducted this comparative study to assess impulsivity and non-suicidal self-harm behavior in patients with SCs dependence. SUBJECTS AND METHOD We conducted this comparative, case-control study in the outpatient clinics of (Beni-suef University Hospital). We recruited 30 patients with SCs dependence and the 30 healthy subjects as a control group. Psychometric scales, including Addiction Severity Index (ASI), Barratt Impulsivity Scale-11 (BIS-11), Deliberate Self-harm Inventory-Short Version (DSHI), SCID I, SCID II, and drug urine screen, were applied to compare the two study arms. RESULTS DSHI-s scores were significantly higher between the two study arms (3.23 ± 4.97 vs. 0.0 ± 0.0, p < 0.001, for cases and controls, respectively). Similarly, the mean ± SD score of the BIS scale was significantly higher in cases 68.13 ± 9.75 compared to the control group (45.67 ± 5.12) with a statistically significant difference (p < 0.001). Using the regression analysis, we observed a significant positive linkage between age, duration of substance use, DSHI-s, and the Barratt scale. CONCLUSION Patients with synthetic cannabis addiction exhibited more impulsivity and self-harm behaviors compared to healthy controls. The adverse effects of substance use disorder escalated, notably in individuals classified as having severe addiction based on the Addiction Severity Index. Age and length of substance use were found to be potential factors influencing the level of impulsivity and self-harm actions.
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Affiliation(s)
- Hani Hamed Dessoki
- Psychiatry Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
| | | | - Marwa S Ismael
- Psychiatry Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Hasnaa Osama
- Clinical Pharmacy Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Hisham Salah
- Psychiatry Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
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Filipiuc LE, Creangă-Murariu I, Tamba BI, Ababei DC, Rusu RN, Stanciu GD, Ștefanescu R, Ciorpac M, Szilagyi A, Gogu R, Filipiuc SI, Tudorancea IM, Solcan C, Alexa-Stratulat T, Cumpăt MC, Cojocaru DC, Bild V. JWH-182: a safe and effective synthetic cannabinoid for chemotherapy-induced neuropathic pain in preclinical models. Sci Rep 2024; 14:16242. [PMID: 39004628 PMCID: PMC11247095 DOI: 10.1038/s41598-024-67154-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/08/2024] [Indexed: 07/16/2024] Open
Abstract
Chemotherapy-induced neuropathic pain (CINP), a condition with unmet treatment needs, affects over half of cancer patients treated with chemotherapeutics. Researchers have recently focused on the endocannabinoid system because of its critical role in regulating our bodies' most important functions, including pain. We used in vitro and in vivo methods to determine the toxicity profile of a synthetic cannabinoid, JWH-182, and whether it could be potentially effective for CINP alleviation. In vitro, we evaluated JWH-182 general toxicity, measuring fibroblast viability treated with various concentrations of compound, and its neuroprotection on dorsal root ganglion neurons treated with paclitaxel. In vivo, we performed an evaluation of acute and 28-day repeated dose toxicity in mice, with monitoring of health status and a complete histopathological examination. Finally, we evaluated the efficacy of JWH-182 on a CINP model in mice using specific pain assessment tests. JWH-182 has an acceptable toxicity profile, in both, in vitro and in vivo studies and it was able to significantly reduce pain perception in a CINP model in mice. However, the translation of these results to the clinic needs further investigation.
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Affiliation(s)
- Leontina-Elena Filipiuc
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Department of Pharmacology, Clinical Pharmacology and Algesiology, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Ioana Creangă-Murariu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Department of Pharmacology, Clinical Pharmacology and Algesiology, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Bogdan-Ionel Tamba
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania.
- Department of Pharmacology, Clinical Pharmacology and Algesiology, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania.
| | - Daniela-Carmen Ababei
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Pharmacodynamics and Clinical Pharmacy Department, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Răzvan-Nicolae Rusu
- Pharmacodynamics and Clinical Pharmacy Department, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Gabriela-Dumitrița Stanciu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Raluca Ștefanescu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Mitică Ciorpac
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Andrei Szilagyi
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Raluca Gogu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Silviu-Iulian Filipiuc
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Ivona-Maria Tudorancea
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Department of Pharmacology, Clinical Pharmacology and Algesiology, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Carmen Solcan
- Faculty of Veterinary Medicine, "Ion Ionescu de La Brad" University of Life Sciences, 700490, Iasi, Romania
| | - Teodora Alexa-Stratulat
- Oncology Department, Regional Institute of Oncology, Iasi, Romania
- Department of Medical Oncology-Radiotherapy, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
| | - Marinela-Carmen Cumpăt
- Department of Medical Specialties I and III, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Clinical Rehabilitation Hospital, Cardiovascular and Respiratory Rehabilitation Clinic, Pantelimon Halipa Street No. 14, 700661, Iasi, Romania
| | - Doina-Clementina Cojocaru
- Department of Medical Specialties I and III, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Clinical Rehabilitation Hospital, Cardiovascular and Respiratory Rehabilitation Clinic, Pantelimon Halipa Street No. 14, 700661, Iasi, Romania
| | - Veronica Bild
- Advanced Research and Development Center for Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Pharmacodynamics and Clinical Pharmacy Department, "Grigore T. Popa" University of Medicine and Pharmacy, University Street No. 16, 700115, Iasi, Romania
- Center of Biomedical Research, Romanian Academy, Iasi Branch, Iasi, Romania
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6
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Timmerman A, Balcaen M, Coopman V, Degreef M, Pottie E, Stove CP. Activity-based detection of synthetic cannabinoid receptor agonists in plant materials. Harm Reduct J 2024; 21:127. [PMID: 38951904 PMCID: PMC11218095 DOI: 10.1186/s12954-024-01044-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 06/18/2024] [Indexed: 07/03/2024] Open
Abstract
BACKGROUND Since late 2019, fortification of 'regular' cannabis plant material with synthetic cannabinoid receptor agonists (SCRAs) has become a notable phenomenon on the drug market. As many SCRAs pose a higher health risk than genuine cannabis, recognizing SCRA-adulterated cannabis is important from a harm reduction perspective. However, this is not always an easy task as adulterated cannabis may only be distinguished from genuine cannabis by dedicated, often expensive and time-consuming analytical techniques. In addition, the dynamic nature of the SCRA market renders identification of fortified samples a challenging task. Therefore, we established and applied an in vitro cannabinoid receptor 1 (CB1) activity-based procedure to screen plant material for the presence of SCRAs. METHODS The assay principle relies on the functional complementation of a split-nanoluciferase following recruitment of β-arrestin 2 to activated CB1. A straightforward sample preparation, encompassing methanolic extraction and dilution, was optimized for plant matrices, including cannabis, spiked with 5 µg/mg of the SCRA CP55,940. RESULTS The bioassay successfully detected all samples of a set (n = 24) of analytically confirmed authentic Spice products, additionally providing relevant information on the 'strength' of a preparation and whether different samples may have originated from separate batches or possibly the same production batch. Finally, the methodology was applied to assess the occurrence of SCRA adulteration in a large set (n = 252) of herbal materials collected at an international dance festival. This did not reveal any positives, i.e. there were no samples that yielded a relevant CB1 activation. CONCLUSION In summary, we established SCRA screening of herbal materials as a new application for the activity-based CB1 bioassay. The simplicity of the sample preparation, the rapid results and the universal character of the bioassay render it an effective and future-proof tool for evaluating herbal materials for the presence of SCRAs, which is relevant in the context of harm reduction.
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Affiliation(s)
- Axelle Timmerman
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Margot Balcaen
- Belgian Early Warning System on Drugs, Unit Illicit drugs, Health information, Sciensano, Brussels, Belgium
| | | | - Maarten Degreef
- Belgian Early Warning System on Drugs, Unit Illicit drugs, Health information, Sciensano, Brussels, Belgium
| | - Eline Pottie
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Christophe P Stove
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium.
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7
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Echeverria-Villalobos M, Guevara Y, Mitchell J, Ryskamp D, Conner J, Bush M, Periel L, Uribe A, Weaver TE. Potential perioperative cardiovascular outcomes in cannabis/cannabinoid users. A call for caution. Front Cardiovasc Med 2024; 11:1343549. [PMID: 38978789 PMCID: PMC11228818 DOI: 10.3389/fcvm.2024.1343549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 05/15/2024] [Indexed: 07/10/2024] Open
Abstract
Background Cannabis is one of the most widely used psychoactive substances. Its components act through several pathways, producing a myriad of side effects, of which cardiovascular events are the most life-threatening. However, only a limited number of studies address cannabis's perioperative impact on patients during noncardiac surgery. Methods Studies were identified by searching the PubMed, Medline, EMBASE, and Google Scholar databases using relevant keyword combinations pertinent to the topic. Results Current evidence shows that cannabis use may cause several cardiovascular events, including abnormalities in cardiac rhythm, myocardial infarction, heart failure, and cerebrovascular events. Additionally, cannabis interacts with anticoagulants and antiplatelet agents, decreasing their efficacy. Finally, the interplay of cannabis with inhalational and intravenous anesthetic agents may lead to adverse perioperative cardiovascular outcomes. Conclusions The use of cannabis can trigger cardiovascular events that may depend on factors such as the duration of consumption, the route of administration of the drug, and the dose consumed, which places these patients at risk of drug-drug interactions with anesthetic agents. However, large prospective randomized clinical trials are needed to further elucidate gaps in the body of knowledge regarding which patient population has a greater risk of perioperative complications after cannabis consumption.
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Affiliation(s)
| | - Yosira Guevara
- Department of Anesthesiology, St Elizabeth’s Medical Center, Brighton, MA, United States
| | - Justin Mitchell
- Department of Anesthesiology & Perioperative Medicine, UCLA Medical Center, Los Angeles, CA, United States
| | - David Ryskamp
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Joshua Conner
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Margo Bush
- University of Toledo, College of Medicine and Life Sciences, Toledo, OH, United States
| | - Luis Periel
- Touro College of Osteopathic Medicine, New York, NW, United States
| | - Alberto Uribe
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Tristan E. Weaver
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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Li X, Jiang L, Di B, Hu C. Preparation of amphiphilic poly(divinylbenzene- co-N-vinylpyrrolidone)-functionalized polydopamine magnetic nanoadsorbents for enrichment of synthetic cannabinoids in wastewater. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:3968-3982. [PMID: 38853581 DOI: 10.1039/d4ay00711e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Concerns have been raised about synthetic cannabinoids (SCs), which are among the most often trafficked and used illegal substances. An analytical method that holds promise for determining illicit drug use in the general population is wastewater-based epidemiology (WBE). Unfortunately, the concentration of SCs in wastewater is often extremely low on account of their hydrophobic nature, thus presenting a significant obstacle to the accurate detection and quantification of SCs using WBE. In this study, we present novel magnetic nanomaterials as amphiphilic adsorbents for pretreatment of wastewater using magnetic solid phase extraction (MSPE). Polydopamine-modified Fe3O4 nanoparticles were used as the magnetic core and further functionalized with poly(divinylbenzene-N-vinylpyrrolidone). Coupled with UHPLC-MS/MS analysis, an analytical method to simultaneously detect nine SCs at trace-levels in wastewater was developed and validated, enriching 50 mL wastewater to 100 μL with limits of detection (LOD) being 0.005-0.5 ng L-1, limits of quantification (LOQ) being 0.01-1.0 ng L-1, recoveries ranging from 73.99 to 110.72%, and the intra- and inter-day precision's relative standard deviations less than 15%. In comparison to the time-consuming conventional column-based solid phase extraction, the entire MSPE procedure from sample pre-treatment to data acquisition could be finished in one hour, thus largely facilitating the WBE method for drug surveillance and control.
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Affiliation(s)
- Xiuchen Li
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China.
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China
| | - Le Jiang
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China.
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China
| | - Bin Di
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China.
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China
| | - Chi Hu
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China.
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing 210009, PR China
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9
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Alzu'bi A, Abu-El-Rub E, Almahasneh F, Tahat L, Athamneh RY, Khasawneh R, Alzoubi H, Ghorab DS, Almazari R, Zoubi MSA, Al-Zoubi RM. Delineating the molecular mechanisms of hippocampal neurotoxicity induced by chronic administration of synthetic cannabinoid AB-FUBINACA in mice. Neurotoxicology 2024; 103:50-59. [PMID: 38823587 DOI: 10.1016/j.neuro.2024.05.009] [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: 09/23/2023] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 06/03/2024]
Abstract
Chronic use of synthetic cannabinoids (SCs) has been associated with cognitive and behavioural deficits and an increased risk of neuropsychiatric disorders. The underlying molecular and cellular mechanisms of the neurotoxic effects of long-term use of SCs have not been well investigated in the literature. Herein, we evaluated the in vivo effects of chronic administration of AB-FUBINACA on the hippocampus in mice. Our results revealed that the administration of AB-FUBINACA induced a significant impairment in recognition memory associated with histopathological changes in the hippocampus. These findings were found to be correlated with increased level of oxidative stress, neuroinflammation, and apoptosis markers, and reduced expression of brain-derived neurotrophic factor (BDNF), which plays an essential role in modulating synaptic plasticity integral for promoting learning and memory in the hippocampus. Additionally, we showed that AB-FUBINACA significantly decreased the expression of NR1, an important functional subunit of glutamate/NMDA receptors and closely implicated in the development of toxic psychosis. These findings shed light on the long-term neurotoxic effects of SCs on hippocampus and the underlying mechanisms of these effects. This study provided new targets for possible medical interventions to improve the treatment guidelines for SCs addiction.
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Affiliation(s)
- Ayman Alzu'bi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan.
| | - Ejlal Abu-El-Rub
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan
| | - Fatimah Almahasneh
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan
| | - Lena Tahat
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid 211-63, Jordan
| | - Rabaa Y Athamneh
- Department of Medical Laboratory Sciences, Faculty of Allied Science, Zarqa University, Zarqa 13110, Jordan
| | - Ramada Khasawneh
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan
| | - Hiba Alzoubi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan
| | - Doaa S Ghorab
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan; Pathology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Rawan Almazari
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid 211-63, Jordan
| | - Mazhar Salim Al Zoubi
- 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, 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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Liu X, Tang Y, Xu L, Liu W, Xiang P, Hang T, Yan H. Metabolism of ADB-FUBIATA in zebrafish and pooled human liver microsomes investigated by liquid chromatography-high-resolution mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2024; 38:e9730. [PMID: 38456249 DOI: 10.1002/rcm.9730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 01/29/2024] [Accepted: 02/11/2024] [Indexed: 03/09/2024]
Abstract
RATIONALE ADB-FUBIATA is one of the most recently identified new psychoactive substance (NPS) of synthetic cannabinoids. The co-use of in vitro (human liver microsomes) and in vivo (zebrafish) models offers abundant metabolites and may give a deep insight into the metabolism of NPS. METHODS In vivo and in vitro metabolic studies of new synthetic cannabinoid ADB-FUBIATA were carried out using zebrafish and pooled human liver microsome models. Metabilites were structurally characterized by liquid chromatography-high-resolution mass spectrometry. RESULTS In total, 18 metabolites were discovered and identified in the pooled human liver microsomes and zebrafish, including seventeen phase I metabolites and one phase II metabolite. The main metabolic pathways of ADB-FUBIATA were hydroxylation, dehydrogenation, N-dealkylation, amide hydrolysis, glucuronidation, and combination thereof. CONCLUSION Hydroxylated metabolites can be recommended as metabolic markers for ADB-FUBIATA because of the structural characteristics and high intensity. These metabolism characteristics of ADB-FUBIATA were useful for its further forensic or clinical related investigations.
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Affiliation(s)
- Xinze Liu
- College of Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Academy of Forensic Science, Shanghai, China
| | - Yiling Tang
- College of Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Academy of Forensic Science, Shanghai, China
| | - Linhao Xu
- College of Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Academy of Forensic Science, Shanghai, China
| | - Wei Liu
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Academy of Forensic Science, Shanghai, China
| | - Ping Xiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Academy of Forensic Science, Shanghai, China
| | - Taijun Hang
- College of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Hui Yan
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Academy of Forensic Science, Shanghai, China
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Fekih-Romdhane F, Alhuwailah A, Shuwiekh HAM, Stambouli M, Hakiri A, Cheour M, Loch AA, Hallit S. Development and initial validation of the cannabis-related psychosis risk literacy scale (CPRL): a multinational psychometric study. BMC Psychiatry 2024; 24:298. [PMID: 38641784 PMCID: PMC11027227 DOI: 10.1186/s12888-024-05727-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/27/2024] [Indexed: 04/21/2024] Open
Abstract
BACKGROUND Public education efforts to address and reduce potential harms from cannabis use in Arab countries are either slow or inexistent, and do not follow the steadily increasing trends of cannabis use in Arab youth. Several decades of research on substance use, it can be suggested that being aware of, and knowing about, psychosis risk related to cannabis can at least limit the consumption of the substance. Motivated by a lack of measures specifically designed to measure literacy about cannabis-related psychosis risk in younger populations, and based on an extensive literature review, we aimed to create and validate a new self-report scale to assess the construct, the Cannabis-related Psychosis Risk Literacy Scale (CPRL), in the Arabic language. METHOD A cross-sectional study was carried-out during the period from September 2022 to June 2023, enrolling 1855 university students (mean age of 23.26 ± 4.96, 75.6% females) from three Arab countries (Egypt, Kuwait and Tunisia). RESULTS Starting from an initial pool of 20 items, both Exploratory Factor Analysis and Confirmatory Factor Analysis suggested that the remaining 8 items loaded into a single factor. The scale demonstrated good internal consistency, with both McDonald omega and Cronbach's alpha values exceeding 0.7 (omega = 0.85 / alpha = 0.85). The CPRL showed measurement invariance across gender and country at the configural, metric, and scalar levels. Concurrent validity of the CPRL was established by correlations with less favourable attitudes towards cannabis (r = -.14; p <.001). In addition, higher literacy levels were found in students who never used cannabis compared to lifetime users (4.18 ± 1.55 vs. 3.44 ± 1.20, t(1853) = 8.152, p <.001). CONCLUSION The newly developed CPRL scale offers a valid and reliable instrument for assessing and better understanding literacy about cannabis-related psychosis risk among Arabic-speaking young adults. We believe that this new scale is suitable as a screening tool of literacy, as an instrument for measuring the effect of public education interventions aimed at promoting cannabis-related psychosis risk literacy among young people, and as a research tool to facilitate future studies on the topic with a wider application.
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Affiliation(s)
- Feten Fekih-Romdhane
- Faculty of Medicine of Tunis, Tunis Al Manar University, Tunis, Tunisia.
- The Tunisian Center of Early Intervention in Psychosis, Department of Psychiatry Ibn Omrane, Razi Hospital, Tunis, Tunisia.
| | | | | | - Manel Stambouli
- Faculty of Medicine of Tunis, Tunis Al Manar University, Tunis, Tunisia
| | - Abir Hakiri
- Faculty of Medicine of Tunis, Tunis Al Manar University, Tunis, Tunisia
| | - Majda Cheour
- Faculty of Medicine of Tunis, Tunis Al Manar University, Tunis, Tunisia
- The Tunisian Center of Early Intervention in Psychosis, Department of Psychiatry Ibn Omrane, Razi Hospital, Tunis, Tunisia
| | - Alexandre Andrade Loch
- Laboratorio de Neurociencias (LIM 27), Instituto de Psiquiatria, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR, Brazil
- Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBION), Conselho Nacional de Desenvolvimento Cientifico e Tecnológico, Sao Paulo, Brazil
| | - Souheil Hallit
- Psychology Department, College of Humanities, Effat University, 21478, Jeddah, Saudi Arabia.
- Applied Science Research Center, Applied Science Private University, Amman, Jordan.
- School of Medicine and Medical Sciences, Souheil Hallit, Holy Spirit University of Kaslik, Jounieh, P.O. Box 446, Lebanon.
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12
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Balloni A, Tini A, Prospero E, Busardò FP, Huestis MA, Lo Faro AF. Exposure to Synthetic Psychoactive Substances: A Potential Cause for Increased Human Hepatotoxicity Markers. Clin Chem 2024; 70:597-628. [PMID: 38427953 DOI: 10.1093/clinchem/hvad210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/20/2023] [Indexed: 03/03/2024]
Abstract
BACKGROUND Approximately 30 million people worldwide consume new psychoactive substances (NPS), creating a serious public health issue due to their toxicity and potency. Drug-induced liver injury is the leading cause of liver disease, responsible for 4% of global deaths each year. CONTENT A systematic literature search revealed 64 case reports, in vitro and in vivo studies on NPS hepatotoxicity. Maximum elevated concentrations of aspartate aminotransferase (136 to 15 632 U/L), alanine transaminase (121.5 to 9162 U/L), total bilirubin (0.7 to 702 mg/dL; 0.04 to 39.03 mmol/L), direct (0.2-15.1 mg/dL; 0.01-0.84 mmol/L) and indirect (5.3 mg/dL; 0.29 mmol/L) bilirubin, alkaline phosphatase (79-260 U/L), and gamma-glutamyltransferase (260 U/L) were observed as biochemical markers of liver damage, with acute and fulminant liver failure the major toxic effects described in the NPS case reports. In vitro laboratory studies and subsequent in vivo NPS exposure studies on rats and mice provide data on potential mechanisms of toxicity. Oxidative stress, plasma membrane stability, and cellular energy changes led to apoptosis and cell death. Experimental studies of human liver microsome incubation with synthetic NPS, with and without specific cytochrome P450 inhibitors, highlighted specific enzyme inhibitions and potential drug-drug interactions leading to hepatotoxicity. SUMMARY Mild to severe hepatotoxic effects following synthetic NPS exposure were described in case reports. In diagnosing the etiology of liver damage, synthetic NPS exposure should be considered as part of the differential diagnosis. Identification of NPS toxicity is important for educating patients on the dangers of NPS consumption and to suggest promising treatments for observed hepatotoxicity.
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Affiliation(s)
- Aurora Balloni
- Department of Excellence-Biomedical Sciences and Public Health, Section of Legal Medicine, Università Politecnica delle Marche, Ancona, Italy
| | - Anastasio Tini
- Department of Excellence-Biomedical Sciences and Public Health, Section of Legal Medicine, Università Politecnica delle Marche, Ancona, Italy
| | - Emilia Prospero
- Department of Biomedical Sciences and Public Health, Section of Hygiene, Preventive Medicine, and Public Health, Università Politecnica delle Marche, Ancona, Italy
- School of Nursing Science, Università Politecnica delle Marche, Ancona, Italy
| | - Francesco Paolo Busardò
- Department of Excellence-Biomedical Sciences and Public Health, Section of Legal Medicine, Università Politecnica delle Marche, Ancona, Italy
| | - Marilyn Ann Huestis
- Institute of Emerging Health Professions, Thomas Jefferson University, Philadelphia, PA, United States
| | - Alfredo Fabrizio Lo Faro
- Department of Excellence-Biomedical Sciences and Public Health, Section of Legal Medicine, Università Politecnica delle Marche, Ancona, Italy
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13
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Buchalska B, Kamińska K, Owe-Larsson M, Cudnoch-Jędrzejewska A. Cannabinoids in the treatment of glioblastoma. Pharmacol Rep 2024; 76:223-234. [PMID: 38457018 DOI: 10.1007/s43440-024-00580-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/16/2024] [Accepted: 02/22/2024] [Indexed: 03/09/2024]
Abstract
Glioblastoma (GBM) is the most prevalent primary malignant tumor of the nervous system. While the treatment of other neoplasms is increasingly more efficacious the median survival rate of GBM patients remains low and equals about 14 months. Due to this fact, there are intensive efforts to find drugs that would help combat GBM. Nowadays cannabinoids are becoming more and more important in the field of cancer and not only because of their properties of antiemetic drugs during chemotherapy. These compounds may have a direct cytotoxic effect on cancer cells. Studies indicate GBM has disturbances in the endocannabinoid system-changes in cannabinoid metabolism as well as in the cannabinoid receptor expression. The GBM cells show expression of cannabinoid receptors 1 and 2 (CB1R and CB2R), which mediate various actions of cannabinoids. Through these receptors, cannabinoids inhibit the proliferation and invasion of GBM cells, along with changing their morphology. Cannabinoids also induce an intrinsic pathway of apoptosis in the tumor. Hence the use of cannabinoids in the treatment of GBM may be beneficial to the patients. So far, studies focusing on using cannabinoids in GBM therapy are mainly preclinical and involve cell lines and mice. The results are promising and show cannabinoids inhibit GBM growth. Several clinical studies are also being carried out. The preliminary results show good tolerance of cannabinoids and prolonged survival after administration of these drugs. In this review, we describe the impact of cannabinoids on GBM and glioma cells in vitro and in animal studies. We also provide overview of clinical trials on using cannabinoids in the treatment of GBM.
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Affiliation(s)
- Barbara Buchalska
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Banacha 1b, Warsaw, 02097, Poland
| | - Katarzyna Kamińska
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Banacha 1b, Warsaw, 02097, Poland.
| | - Maja Owe-Larsson
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Banacha 1b, Warsaw, 02097, Poland
| | - Agnieszka Cudnoch-Jędrzejewska
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Banacha 1b, Warsaw, 02097, Poland
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Stogner J, Baldwin JM, Wiercioch A. 'Spice' Use Motivations, Experiences, and Repercussions among Veterans of the United States Armed Forces. Subst Use Misuse 2024; 59:1182-1189. [PMID: 38548662 DOI: 10.1080/10826084.2024.2330900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
BACKGROUND AND OBJECTIVES The potential for synthetic cannabinoids (SCs) to function as an alternative to marijuana without the same risk of a positive urinalyses led to claims of pervasive military SC use. Case studies confirm use among veterans, but no study has adequately explored SC use in the military using detailed interview data. METHODS Interviews (1-2 h) were conducted with 318 justice-involved veterans. Recruitment was attempted with all participants in eight veterans treatment courts in three U.S. states (54.9% of 579 eligible veterans). Interviews were transcribed and thematic analyses completed. RESULTS SC use was reported by 65 participants (21.3%). Major emergent themes indicated SCs were perceived as unpleasant, overly powerful, and a poor substitute for marijuana. Further, habitual use was rare as many chose not to reuse after initial negative experiences. Few indicated that the perception that SCs would not appear on routine military urinalyses enabled their use. Veterans were aware of the changing drug composition and feared "bad batches." CONCLUSIONS SCs were explicitly disliked both independently and relative to marijuana. Nine discussed avoiding positive military drug screens as a consideration, but negative initial experiences generally prevented progression to habitual use. Veterans did not view SCs as a suitable marijuana replacement. Fears that SCs are being used as a marijuana alternative among veterans subject to frequent drug testing appear unfounded. These interviews suggest that routine military drug testing did not motivate individuals to use SCs habitually as a marijuana replacement; however, veterans' negative interpretation of SC effects contributed to this outcome.
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Affiliation(s)
- John Stogner
- Department of Criminal Justice and Criminology, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, North Carolina
| | - Julie Marie Baldwin
- Department of Justice, Law & Criminology, American University, Washington, DC
| | - Amelia Wiercioch
- Department of Criminal Justice, University of Central Florida, 12494 University Blvd, Orlando, FL
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Aderorho R, Lucas SW, Chouinard CD. Separation and Characterization of Synthetic Cannabinoid Metabolite Isomers Using SLIM High-Resolution Ion Mobility-Tandem Mass Spectrometry (HRIM-MS/MS). JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2024; 35:582-589. [PMID: 38361441 DOI: 10.1021/jasms.3c00419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Synthetic cannabinoids, a subclass of new psychoactive substances (NPS), are laboratory-made substances that are chemically similar to those found naturally in the cannabis plant. Many of these substances are illicitly manufactured and have been associated with severe health problems, prompting a need to develop analytical methods capable of characterizing both known and previously undetected compounds. This work focuses on a novel Structures for Lossless Ion Manipulations (SLIM) IM-MS approach to the differentiation and structural characterization of synthetic cannabinoid metabolites, specifically MDA-19/BUTINACA, JWH-018, and JWH-250 isomer groups. These different compound classes are structurally very similar, differing only in the position of one or a few functional groups; this yielded similarity in measured collision cross section (CCS) values. However, the high resolution of SLIM IM provided adequate separation of many of these isomers, such as sodiated JWH-250 metabolites N-4-OH, N-5-OH, and 5-OH, which displayed CCS of 187.5, 182.5, and 202.3 Å2, respectively. In challenging cases where baseline separation was precluded due to nearly identical CCS, such as for JWH-018 isomers, simple derivatization by dansyl chloride selectively reacted with the 6-OH compound to provide differentiation of all isomers using a combination of CCS and m/z. Finally, the opportunity to use this method for structural elucidation of unknowns was demonstrated by using SLIM IM mobility-aligned MS/MS fragmentation. Different MDA-19/BUTINACA isomers were first mobility separated and could then be individually activated, yielding unique fragments for both targeted identification and structural determination. Overall, the described SLIM IM-MS/MS workflow provides significant potential as a rapid screening tool for the characterization of emerging NPS such as synthetic cannabinoids and their metabolites.
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Affiliation(s)
- Ralph Aderorho
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
| | - Shadrack Wilson Lucas
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
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16
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Kuzumi A, Yamashita T, Fukasawa T, Yoshizaki-Ogawa A, Sato S, Yoshizaki A. Cannabinoids for the treatment of autoimmune and inflammatory skin diseases: A systematic review. Exp Dermatol 2024; 33:e15064. [PMID: 38532572 DOI: 10.1111/exd.15064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/09/2024] [Indexed: 03/28/2024]
Abstract
In recent years, the medical use of cannabinoids has attracted growing attention worldwide. In particular, anti-inflammatory properties of cannabinoids led to their emergence as potential therapeutic options for autoimmune and inflammatory disorders. Recent studies have also shown that cannabinoid receptors are widely expressed and have endogenous ligands in the skin, suggesting that the skin has its own endocannabinoid system. The aim of this review is to discuss the potential therapeutic effects of cannabinoids in autoimmune and inflammatory skin diseases. Following an overview of cannabinoids and the endocannabinoid system, we describe the cellular and molecular mechanisms of cannabinoids in skin health and disease. We then review the clinical studies of cannabinoids in autoimmune and inflammatory skin diseases including systemic sclerosis (SSc), dermatomyositis (DM), psoriasis (Pso) and atopic dermatitis (AD). A primary literature search was conducted in July 2023, using PubMed and Web of Science. A total of 15 articles were included after excluding reviews, non-human studies and in vitro studies from 389 non-duplicated articles. Available evidence suggests that cannabinoids may be beneficial for SSc, DM, Pso and AD. However, further studies, ideally randomized controlled trials, are needed to further evaluate the use of cannabinoids in autoimmune and inflammatory skin diseases.
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Affiliation(s)
- Ai Kuzumi
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Takashi Yamashita
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Takemichi Fukasawa
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
- Department of Clinical Cannabinoid Research, University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Asako Yoshizaki-Ogawa
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Shinichi Sato
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Ayumi Yoshizaki
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
- Department of Clinical Cannabinoid Research, University of Tokyo Graduate School of Medicine, Tokyo, Japan
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Salcin H, Goker Bagca B, Alcitepe I, Biray Avci C, Aslan R, Annette Akgur S, Tezcanli Kaymaz B. Investigating the Effects of a Synthetic Cannabinoid on the Pathogenesis of Leukemia and Leukemic Stem Cells: A New Therapeutic Approach. Cannabis Cannabinoid Res 2024; 9:212-222. [PMID: 35834597 DOI: 10.1089/can.2021.0180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The popularity and usage of synthetic cannabinoids (SCs) are increasing due to their easy accessibility and psychoactive effects worldwide. Studies on cannabinoids on leukemic stem cells (LSC) and hematopoietic stem cells (HSCs), which are the precursors of leukemia cells, generally depend on the natural cannabinoid delta-9-THC. As there is only a limited number of studies focusing on the results of SC applications, the reflections upon LSCs have to be clarified. In this study, biological responses and antileukemic effects of JWH-018-one of the first produced and widely used SCs-were evaluated upon leukemia cells. Whether JWH-018 exhibited a preventive effect on both leukemic and HSCs was evaluated by presenting a therapeutic approach for the first time in the literature. Cells were analyzed in case of cell proliferation, apoptosis, and transcriptional expression profiling of some significant JAK/STAT and AKT/mTOR pathways, apoptotic, cell cycle regulation, and epigenetic chromatin remodeling-related genes following JWH-018 treatment. In conclusion, however, further studies are still needed upon both HSCs and LSCs to illuminate the effects of SCs on leukemogenesis on chronic myeloid leukemia (CML) more clearly; we consider that the JWH-018 can provide a therapeutic effect on the pathogenesis of leukemia and particularly upon LSCs and SCs might have therapeutic potential in addition to current therapy.
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Affiliation(s)
- Hilal Salcin
- Basic Oncology Department, Ege University Health Science Institute, Izmir, Turkey
- Medical Biology Department, Ege University Medical School, Izmir, Turkey
| | - Bakiye Goker Bagca
- Medical Biology Department, Aydin Adnan Menderes University Medical School, Aydin, Turkey
| | - Ilayda Alcitepe
- Medical Biology Department, Ege University Medical School, Izmir, Turkey
| | - Cigir Biray Avci
- Medical Biology Department, Ege University Medical School, Izmir, Turkey
| | - Rukiye Aslan
- Addiction Toxicology Department, Ege University Institute of Substance Abuse, Toxicology and Pharmaceutical Sciences, Izmir, Turkey
| | - Serap Annette Akgur
- Addiction Toxicology Department, Ege University Institute of Substance Abuse, Toxicology and Pharmaceutical Sciences, Izmir, Turkey
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Labadie M, Nardon A, Castaing N, Bragança C, Daveluy A, Gaulier JM, El Balkhi S, Grenouillet M. Hexahydrocannabinol poisoning reported to French poison centres. Clin Toxicol (Phila) 2024; 62:112-119. [PMID: 38426845 DOI: 10.1080/15563650.2024.2318409] [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: 07/07/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024]
Abstract
INTRODUCTION Hexahydrocannabinol is a hexahydro derivative of cannabinol. Poisoning with hexahydrocannabinol was first observed in Europe in May 2022. METHOD This is a retrospective observational study of cases of self-reported hexahydrocannabinol exposure reported to French poison centres between 1 January 2022 and 31 May 2023. RESULTS There were 37 cases, including 19 in May 2023. The median age of the patients was 36 (interquartile range 28-43) years, and most were men. Eight patients had a history of substance use disorder. The route of exposure was ingestion in 24, inhalation (smoking or vaping) in 10, inhalation and ingestion in two and sublingual in one. Clinical features were neurological (85 per cent), cardiovascular (61 per cent), gastrointestinal (33 per cent), psychiatric (27 per cent) and ocular (21 per cent). Fifty-nine per cent of the patients were hospitalized. In four patients, the Poisoning Severity Score was 0 (asymptomatic); in 15 patients, the Score was 1 (minor); in 16, the Score was 2 (moderate); and in two cases, the Score was 3 (severe). In 70 per cent of patients, the outcome was known, and all recovered. Testing of biological samples was only undertaken in six cases. Five patients had positive blood or urine tests for hexahydrocannabinol; in two patients, tetrahydrocannabinol and metabolites were also detected. In addition, there was an additional patient in whom Δ8- and Δ9-tetrahydrocannabinol was detected in the substances used. DISCUSSION Clinical effects reported in this series included neuropsychiatric and somatic effects. Whilst these cases related to self-reported hexahydrocannabinol use, it is likely that tetrahydrocannabinol use also contributed to the effects in a substantial proportion of cases. This study has some limitations, such as the lack of available information due to the retrospective nature of the study. As a result, it probably overestimates the number of moderate and severe cases due to under-reporting of cases of little or no severity. Analysis of the patient's blood and urine was performed only in six patients, so we cannot be certain that the products consumed by the other patients were hexahydrocannabinol. CONCLUSION The clinical effects attributed to hexahydrocannabinol were neurological, cardiovascular, gastrointestinal, psychiatric and ocular predominantly and were sometimes serious.
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Affiliation(s)
| | - Audrey Nardon
- Centre antipoison, CHU de Bordeaux, Bordeaux, France
| | - Nadège Castaing
- Laboratoire de Pharmacologie et Toxicologie, CHU de Bordeaux, Bordeaux, France
| | | | | | | | - Souleiman El Balkhi
- Département de Pharmacologie, Toxicologie and Pharmacovigilance, CHU de Limoges, Limoges, France
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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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20
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Cretu B, Zamfir A, Bucurica S, Scheau AE, Savulescu Fiedler I, Caruntu C, Caruntu A, Scheau C. Role of Cannabinoids in Oral Cancer. Int J Mol Sci 2024; 25:969. [PMID: 38256042 PMCID: PMC10815457 DOI: 10.3390/ijms25020969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/03/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Cannabinoids have incited scientific interest in different conditions, including malignancy, due to increased exposure to cannabis. Furthermore, cannabinoids are increasingly used to alleviate cancer-related symptoms. This review paper aims to clarify the recent findings on the relationship between cannabinoids and oral cancer, focusing on the molecular mechanisms that could link cannabinoids with oral cancer pathogenesis. In addition, we provide an overview of the current and future perspectives on the management of oral cancer patients using cannabinoid compounds. Epidemiological data on cannabis use and oral cancer development are conflicting. However, in vitro studies assessing the effects of cannabinoids on oral cancer cells have unveiled promising anti-cancer features, including apoptosis and inhibition of cell proliferation. Downregulation of various signaling pathways with anti-cancer effects has been identified in experimental models of oral cancer cells exposed to cannabinoids. Furthermore, in some countries, several synthetic or phytocannabinoids have been approved as medical adjuvants for the management of cancer patients undergoing chemoradiotherapy. Cannabinoids may improve overall well-being by relieving anxiety, depression, pain, and nausea. In conclusion, the link between cannabinoid compounds and oral cancer is complex, and further research is necessary to elucidate the potential risks or their protective impact on oral cancer.
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Affiliation(s)
- Brigitte Cretu
- Department of Oral and Maxillofacial Surgery, “Carol Davila” Central Military Emergency Hospital, 010825 Bucharest, Romania; (B.C.); (A.Z.)
| | - Alexandra Zamfir
- Department of Oral and Maxillofacial Surgery, “Carol Davila” Central Military Emergency Hospital, 010825 Bucharest, Romania; (B.C.); (A.Z.)
| | - Sandica Bucurica
- Department of Gastroenterology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Department of Gastroenterology, “Carol Davila” University Central Emergency Military Hospital, 010825 Bucharest, Romania
| | - Andreea Elena Scheau
- Department of Radiology and Medical Imaging, Fundeni Clinical Institute, 022328 Bucharest, Romania;
| | - Ilinca Savulescu Fiedler
- Department of Internal Medicine, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania;
- Department of Internal Medicine and Cardiology, Coltea Clinical Hospital, 030167 Bucharest, Romania
| | - Constantin Caruntu
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.C.); (C.S.)
- Department of Dermatology, “Prof. N.C. Paulescu” National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest, Romania
| | - Ana Caruntu
- Department of Oral and Maxillofacial Surgery, “Carol Davila” Central Military Emergency Hospital, 010825 Bucharest, Romania; (B.C.); (A.Z.)
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, “Titu Maiorescu” University, 031593 Bucharest, Romania
| | - Cristian Scheau
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.C.); (C.S.)
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21
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Ricci V, Di Muzio I, Ceci F, Di Carlo F, Mancusi G, Piro T, Paggi A, Pettorruso M, Vellante F, De Berardis D, Martinotti G, Maina G. Aberrant salience in cannabis-induced psychosis: a comparative study. Front Psychiatry 2024; 14:1343884. [PMID: 38260781 PMCID: PMC10801803 DOI: 10.3389/fpsyt.2023.1343884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Background Natural Cannabis (NC) and Synthetic Cannabinoids (SCs) use can increase the risk and exacerbate the course of psychotic disorders. These could be influenced by the Aberrant Salience (AS) construct. It refers to an excess of attribution of meaning to stimuli that are otherwise regarded as neutral, thereby transform them into adverse, dangerous, or mysterious entities. This leads the patient to engage in aberrant and consequently incorrect interpretative efforts concerning the normal perception of reality and its relationship with our analytical abilities. AS appears to play a significant role in the onset and perpetuation of psychotic disorders. The internal conflict arising from aberrant attributions of significance leads to delusional thoughts, ultimately culminating in the establishment of a self-sustaining psychosis. Aims To examine the differences between psychoses course not associated with cannabis use and those associated with NC-use and SCs-use, in terms of psychotic and dissociative symptoms, AS, global functioning and suicidal ideation. Methods A sample of 62 patients with First Episode Psychosis (FEP) was divided into 3 groups: non cannabis users (non-users, N = 20); NC-users or rather Delta-9-tetrahydrocannabinol (THC) users (THC-users, N = 21); SCs-users, commonly referred to as SPICE-users (SPICE-users, N = 20). Each group underwent assessments at the onset of psychotic symptoms, as well as at the 3 months and 6 months marks, utilizing a range of psychopathological scales. These included the Positive and Negative Syndrome Scale (PANSS) for investigating psychotic symptoms, the Global Assessment of Functioning (GAF) scale for assessing overall functioning, the Dissociative Experiences Scale (DES-II) for measuring dissociative symptoms, the Scale for Suicide Ideation (SSI) for evaluating suicidal ideation and the Aberrant Salience Inventory (ASI) scale for gauging AS. Results SPICE-users showed more severe and persistent positive symptoms, while negative symptoms were mostly represented among non-users. Non-users showed better recovery than SPICE-users in global functioning. All groups showed a decrease in both ASI scores and subscale scores. SPICE-users exhibited higher global AS scores and less improvement in this aspect compared to other groups. Conclusion This study may help understanding the role of AS in both non-substance-related and substance-induced psychosis. This knowledge may lead clinician to a better diagnosis and identify patient-tailored psychopharmacological treatment.
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Affiliation(s)
- Valerio Ricci
- Department of Neuroscience, San Luigi Gonzaga University Hospital, Orbassano, Italy
| | - Ilenia Di Muzio
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
| | - Franca Ceci
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
| | - Francesco Di Carlo
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
| | - Gianluca Mancusi
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
| | - Tommaso Piro
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
| | - Andrea Paggi
- Department of Neuroscience, San Luigi Gonzaga University Hospital, Orbassano, Italy
| | - Mauro Pettorruso
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
- Department of Mental Health, ASL Lanciano-Vasto-Chieti, Chieti, Italy
| | - Federica Vellante
- Department of Mental Health, ASL Lanciano-Vasto-Chieti, Chieti, Italy
| | - Domenico De Berardis
- NHS, Department of Mental Health, Psychiatric Service for Diagnosis and Treatment, Hospital “G. Mazzini”, Teramo, Italy
| | - Giovanni Martinotti
- Department of Neurosciences, Imaging and Clinical Sciences, Università degli Studi G. D’Annunzio Chieti-Pescara, Chieti, Italy
- Department of Clinical and Pharmaceutical Sciences, University of Hertfordshire, Hatfield, United Kingdom
| | - Giuseppe Maina
- Department of Neuroscience, San Luigi Gonzaga University Hospital, Orbassano, Italy
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22
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Yang Y, Xu B, Li D, Zhang Q, Zhang J, Yang L, Ye Y. A comprehensive LC-MS/MS method for simultaneous analysis of 65 synthetic cannabinoids in human hair samples and application to forensic investigations. J Forensic Leg Med 2024; 101:102636. [PMID: 38134471 DOI: 10.1016/j.jflm.2023.102636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023]
Abstract
Synthetic cannabinoids (SCs) represent a diverse class of new psychoactive substances characterized by extensive substance variety and severe abuse implications. The current situation of synthetic cannabinoid abuse in China is getting worse, with an increasing number of SC variants emerging. Therefore, it is imperative to improve synthetic cannabinoid detecting methods to align with the prevalent abuse situation in the region. In this study, a reliable and validated liquid chromatography-tandem mass spectrometry method was developed for the qualitative and quantitative analysis of 65 SC analogues in human hair samples. The validation results demonstrated satisfactory linearity (r ≥ 0.99) within the range of 25-2500 pg/mg for each SC analogue. The method exhibited limits of detection ranging from 10 to 15 pg/mg and limits of quantification ranging from 25 to 40 pg/mg. The relative standard deviations of intra-day precision and inter-day precision were below 15 %. Furthermore, negligible matrix effects were observed, with recovery rates ranging from 85.70 % to 119.43 %. Analysis of abuser demographics revealed that the primary group engaged in SC analogue abuse consisted of adolescents, predominantly males, accounting for 79.5 % of cases. Among the suspected individuals, ADB-BUTINACA and MDMB-4en-PINACA were the most frequently detected substances. The present study develops a highly sensitive analytical method and provides a comprehensive overview of the prevalence of SC abuse in the eastern region of China.
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Affiliation(s)
- Yiqi Yang
- Department of Forensic Toxicological Analysis, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Buyi Xu
- National Anti-Drug Laboratory Sichuan Regional Center, Chengdu, 610299, Sichuan, China
| | - Daoxia Li
- Sichuan Institute for Food and Drug Control, Chengdu, 611731, Sichuan, China
| | - Qifu Zhang
- Sichuan Dingcheng Forensic Center, Chengdu, 610017, Sichuan, China
| | - Jing Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610016, Sichuan, China
| | - Lin Yang
- Department of Forensic Toxicological Analysis, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yi Ye
- Department of Forensic Toxicological Analysis, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China.
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23
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Lea Houston M, Morgan J, Kelso C. Narrative Review of the Pharmacodynamics, Pharmacokinetics, and Toxicities of Illicit Synthetic Cannabinoid Receptor Agonists. Mini Rev Med Chem 2024; 24:92-109. [PMID: 37190813 DOI: 10.2174/1389557523666230515163107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 03/20/2023] [Accepted: 04/03/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND Synthetic cannabinoid receptor agonists (SCRAs) are the most diverse class of new psychoactive substances worldwide, with approximately 300 unique SCRAs identified to date. While the use of this class of drug is not particularly prevalent, SCRAs are associated with several deaths every year due to their severe toxicity. METHODS A thorough examination of the literature identified 15 new SCRAs with a significant clinical impact between 2015 and 2021. RESULTS These 15 SCRAs have been implicated in 154 hospitalizations and 209 deaths across the US, Europe, Asia, and Australasia during this time period. CONCLUSION This narrative review provides pharmacodynamic, pharmacokinetic, and toxicologic data for SCRAs as a drug class, including an in-depth review of known pharmacological properties of 15 recently identified and emerging SCRAs for the benefit of researchers, policy makers, and clinicians who wish to be informed of developments in this field.
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Affiliation(s)
- Matilda Lea Houston
- Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland, Australia
| | - Jody Morgan
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales, Australia
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, New South Wales, Australia
| | - Celine Kelso
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales, Australia
- Molecular Horizons Institute, University of Wollongong, Wollongong, New South Wales, Australia
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, New South Wales, Australia
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24
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Bachari A, Nassar N, Schanknecht E, Telukutla S, Piva TJ, Mantri N. Rationalizing a prospective coupling effect of cannabinoids with the current pharmacotherapy for melanoma treatment. WIREs Mech Dis 2024; 16:e1633. [PMID: 37920964 DOI: 10.1002/wsbm.1633] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/21/2023] [Accepted: 10/06/2023] [Indexed: 11/04/2023]
Abstract
Melanoma is one of the leading fatal forms of cancer, yet from a treatment perspective, we have minimal control over its reoccurrence and resistance to current pharmacotherapies. The endocannabinoid system (ECS) has recently been accepted as a multifaceted homeostatic regulator, influencing various physiological processes across different biological compartments, including the skin. This review presents an overview of the pathophysiology of melanoma, current pharmacotherapy used for treatment, and the challenges associated with the different pharmacological approaches. Furthermore, it highlights the utility of cannabinoids as an additive remedy for melanoma by restoring the balance between downregulated immunomodulatory pathways and elevated inflammatory cytokines during chronic skin conditions as one of the suggested critical approaches in treating this immunogenic tumor. This article is categorized under: Cancer > Molecular and Cellular Physiology.
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Affiliation(s)
- Ava Bachari
- The Pangenomics Lab, School of Science, RMIT University, Bundoora, Victoria, Australia
| | - Nazim Nassar
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Victoria, Australia
| | - Ellen Schanknecht
- The Pangenomics Lab, School of Science, RMIT University, Bundoora, Victoria, Australia
| | | | - Terrence Jerald Piva
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Victoria, Australia
| | - Nitin Mantri
- The Pangenomics Lab, School of Science, RMIT University, Bundoora, Victoria, Australia
- The UWA Institute of Agriculture, The University of Western Australia, Perth, Western Australia, Australia
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25
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Abstract
The cannabis plant has been used for centuries to manage the symptoms of various ailments including pain. Hundreds of chemical compounds have been identified and isolated from the plant and elicit a variety of physiological responses by binding to specific receptors and interacting with numerous other proteins. In addition, the body makes its own cannabinoid-like compounds that are integrally involved in modulating normal and pathophysiological processes. As the legal cannabis landscape continues to evolve within the United States and throughout the world, it is important to understand the rich science behind the effects of the plant and the implications for providers and patients. This narrative review aims to provide an overview of the basic science of the cannabinoids by describing the discovery and function of the endocannabinoid system, pharmacology of cannabinoids, and areas for future research and therapeutic development as they relate to perioperative and chronic pain medicine.
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Affiliation(s)
- Alexandra Sideris
- Department of Anesthesiology, Critical Care and Pain Medicine, Hospital for Special Surgery, New York, New York
- Department of Anesthesiology, Weill Cornell Medicine, New York, New York
- HSS Research Institute, New York, New York
| | | | - Martin Kaczocha
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York
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26
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Gonçalves PFR, Nunes LED, Andrade BDS, Silva MOLD, Souza INDO, Assunção-Miranda I, Castro NG, Neves GA. Age-dependent memory impairment induced by co-exposure to nicotine and a synthetic cannabinoid in mice. Prog Neuropsychopharmacol Biol Psychiatry 2023; 127:110821. [PMID: 37442332 DOI: 10.1016/j.pnpbp.2023.110821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/24/2023] [Accepted: 07/06/2023] [Indexed: 07/15/2023]
Abstract
Co-use of marijuana and tobacco products is the second most common drug combination among adolescents. Nicotine (NIC) and cannabinoid use during adolescence induce similar detrimental changes, raising the hypothesis that simultaneous exposure could result in even more severe outcomes. Thus, we investigated whether the co-exposure to NIC and the synthetic cannabinoid WIN 55,212-2 (WIN) in adolescent mice causes behavioral outcomes different from those observed after exposure to a single drug. Male Swiss mice were exposed twice daily to NIC, WIN, or NIC + WIN during adolescence (PND28-47) or adulthood (PND70-89). Drug combination led to a greater reduction in weight gain in adolescent mice, while NIC-induced weight loss was observed in adults. During administration, NIC provoked hypothermia, and WIN produced hyperlocomotion in adolescent and adult mice. Animals exposed to NIC + WIN presented a profile of changes similar to those exposed to NIC. After drug exposure, changes in locomotion, thigmotaxis, social preference, prepulse inhibition, and working and recognition memory were evaluated. Adolescent but not adult mice exposed to NIC showed withdrawal-related hyperlocomotion unaffected by WIN co-administration. An age-specific impairment in object recognition memory was induced only by drug co-exposure during adolescence, which resolved spontaneously before reaching early adulthood. A transient decrease in hippocampal α7 nAChR subunit and CB1 receptor mRNA levels was induced by NIC exposure, which may be involved but is not enough to explain the memory impairment. Our work confirms the potential of NIC and cannabinoids association to aggravate some of the individual drug effects during critical neurodevelopmental periods.
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Affiliation(s)
- Patricia Felix Rolo Gonçalves
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luis Eduardo Duarte Nunes
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Brenda da Silva Andrade
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Isis Nem de Oliveira Souza
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Iranaia Assunção-Miranda
- Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Newton Gonçalves Castro
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gilda Angela Neves
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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27
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Allaf S, Lim JS, Buckley NA, Cairns R. The impact of cannabis legalization and decriminalization on acute poisoning: A systematic review. Addiction 2023; 118:2252-2274. [PMID: 37496145 PMCID: PMC10952774 DOI: 10.1111/add.16280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 05/25/2023] [Indexed: 07/28/2023]
Abstract
BACKGROUND AND AIMS Many countries have recently legalized medicinal and recreational cannabis. With increasing use and access come the potential for harms. We aimed to examine the effect of cannabis legalization/decriminalization on acute poisoning. METHODS A systematic review and meta-analysis registered with PROSPERO (CRD42022323437). We searched Embase, Medline, Scopus and Cochrane Central Register of Controlled Trials from inception to March 2022. No restrictions on language, age or geography were applied. Abstracts from three main clinical toxicology conferences were hand-searched. Included studies had to report on poisonings before and after changes in cannabis legislation, including legalization and decriminalization of medicinal and recreational cannabis. Where possible, relative risk (RR) of poisoning after legalization (versus before) was calculated and pooled. Risk of bias was assessed with ROBINS-I. RESULTS Of the 1065 articles retrieved, 30 met inclusion criteria (including 10 conference abstracts). Studies used data from the United States, Canada and Thailand. Studies examined legalization of medicinal cannabis (n = 14) and decriminalization or legalization of recreational cannabis (n = 21). Common data sources included poisons centre records (n = 18) and hospital presentations/admissions (n = 15, individual studies could report multiple intervention types and multiple data sources). Most studies (n = 19) investigated paediatric poisoning. Most (n = 24) reported an increase in poisonings; however, the magnitude varied greatly. Twenty studies were included in quantitative analysis, with RRs ranging from 0.81 to 29.00. Our pooled estimate indicated an increase in poisoning after legalization [RR = 3.56, 95% confidence interval (CI) = 2.43-5.20], which was greater in studies that focused on paediatric patients (RR = 4.31, 95% CI = 2.30-8.07). CONCLUSIONS Most studies on the effect of medicinal or recreational cannabis legalization/decriminalization on acute poisoning reported a rise in cannabis poisoning after legalization/decriminalization. Most evidence is from US legalization, despite legalization and decriminalization in many countries.
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Affiliation(s)
- Sara Allaf
- Faculty of Medicine and Health, School of PharmacyThe University of SydneySydneyNSWAustralia
| | - Jessy S. Lim
- Faculty of Medicine and Health, School of PharmacyThe University of SydneySydneyNSWAustralia
| | - Nicholas A. Buckley
- New South Wales Poisons Information CentreThe Children’s Hospital at WestmeadSydneyNSWAustralia
- Faculty of Medicine and Health, School of Medical Sciences, Biomedical Informatics and Digital HealthThe University of SydneySydneyNSWAustralia
| | - Rose Cairns
- Faculty of Medicine and Health, School of PharmacyThe University of SydneySydneyNSWAustralia
- New South Wales Poisons Information CentreThe Children’s Hospital at WestmeadSydneyNSWAustralia
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28
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Szymkowicz E, Neumann O, Sanz LRD, Gosseries O, Thibaut A, Cavaliere C, Laureys S, Liepert J. Recovery of Acute Leukoencephalopathy Documented by Neuroimaging: A Case Report. Neurol Clin Pract 2023; 13:e200203. [PMID: 37795500 PMCID: PMC10547467 DOI: 10.1212/cpj.0000000000200203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 08/25/2023] [Indexed: 10/06/2023]
Abstract
Objectives We describe an atypical delayed neurologic recovery from coma and unresponsive wakefulness syndrome (i.e., persistent vegetative state) in a patient with severe drug-induced toxic leukoencephalopathy (presumably due to synthetic cannabinoid intake). Methods The patient underwent standardized behavioral and multimodal neuroimaging assessments to monitor clinical evolution and brain function over a 5-month period after presumed intoxication. Results A progressive clinical recovery was observed, from an initial state of coma to emergence from a minimally conscious state after 2 months. Despite the stability of extensive white matter lesions documented by CT and structural MRI, fluorodeoxyglucose PET showed partial recovery of cortical metabolism after 5 months. Discussion This case report illustrates that the temporal dynamics of recovery from toxic acute leukoencephalopathy may be atypical and delayed. Multimodal monitoring with repeated behavioral and functional neuroimaging assessments tends to improve the prognosis reliability, while early prognosis based on structural damage may result in misleading statements.
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Affiliation(s)
- Emilie Szymkowicz
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Olga Neumann
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Leandro R D Sanz
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Olivia Gosseries
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Aurore Thibaut
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Carlo Cavaliere
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Steven Laureys
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
| | - Joachim Liepert
- Coma Science Group (ES, LRS, OG, AT, SL), GIGA-Consciousness, University of Liège; Centre du Cerveau2 (ES, LRDS, OG, AT, SL), University Hospital of Liège, Belgium; Kliniken Schmieder (ON, JL), Allensbach, Germany; and IRCCS SYNLAB SDN (CC), Naples, Italy
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29
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Patel M, Grimsey NL, Banister SD, Finlay DB, Glass M. Evaluating signaling bias for synthetic cannabinoid receptor agonists at the cannabinoid CB 2 receptor. Pharmacol Res Perspect 2023; 11:e01157. [PMID: 38018694 PMCID: PMC10685394 DOI: 10.1002/prp2.1157] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/30/2023] Open
Abstract
The rapid structural evolution and emergence of novel synthetic cannabinoid receptor agonists (SCRAs) in the recreational market remains a key public health concern. Despite representing one of the largest classes of new psychoactive substances, pharmacological data on new SCRAs is limited, particularly at the cannabinoid CB2 receptor (CB2 ). Hence, the current study aimed to characterize the molecular pharmacology of a structurally diverse panel of SCRAs at CB2 , including 4-cyano MPP-BUT7AICA, 4F-MDMB-BUTINACA, AMB-FUBINACA, JWH-018, MDMB-4en-PINACA, and XLR-11. The activity of SCRAs was assessed in a battery of in vitro assays in CB2 -expressing HEK 293 cells: G protein activation (Gαi3 and GαoB ), phosphorylation of ERK1/2, and β-arrestin 1/2 translocation. The activity profiles of the ligands were further evaluated using the operational analysis to identify ligand bias. All SCRAs activated the CB2 signaling pathways in a concentration-dependent manner, although with varying potencies and efficacies. Despite the detection of numerous instances of statistically significant bias, compound activities generally appeared only subtly distinct in comparison with the reference ligand, CP55940. In contrast, the phytocannabinoid THC exhibited an activity profile distinct from the SCRAs; most notably in the translocation of β-arrestins. These findings demonstrate that CB2 is able to accommodate a structurally diverse array of SCRAs to generate canonical agonist activity. Further research is required to elucidate whether the activation of CB2 contributes to the toxicity of these compounds.
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Affiliation(s)
- Monica Patel
- Department of Pharmacology and ToxicologyUniversity of OtagoDunedinNew Zealand
| | - Natasha L. Grimsey
- Department of Pharmacology and Clinical Pharmacology, School of Medical Sciences, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
| | - Samuel D. Banister
- Lambert Initiative for Cannabinoid Therapeutics, Brain and Mind CentreUniversity of SydneyNew South WalesAustralia
- School of Chemistry, Faculty of ScienceUniversity of SydneyNew South WalesAustralia
| | - David B. Finlay
- Department of Pharmacology and ToxicologyUniversity of OtagoDunedinNew Zealand
| | - Michelle Glass
- Department of Pharmacology and ToxicologyUniversity of OtagoDunedinNew Zealand
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Rybarczyk A, Majchrzak-Celińska A, Krajka-Kuźniak V. Targeting Nrf2 Signaling Pathway in Cancer Prevention and Treatment: The Role of Cannabis Compounds. Antioxidants (Basel) 2023; 12:2052. [PMID: 38136172 PMCID: PMC10740807 DOI: 10.3390/antiox12122052] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 12/24/2023] Open
Abstract
The development and progression of cancer are associated with the dysregulation of multiple pathways involved in cell proliferation and survival, as well as dysfunction in redox balance, immune response, and inflammation. The master antioxidant pathway, known as the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, regulates the cellular defense against oxidative stress and inflammation, making it a promising cancer prevention and treatment target. Cannabinoids have demonstrated anti-tumor and anti-inflammatory properties, affecting signaling pathways, including Nrf2. Increased oxidative stress following exposure to anti-cancer therapy prompts cancer cells to activate antioxidant mechanisms. This indicates the dual effect of Nrf2 in cancer cells-influencing proliferation and apoptotic processes and protecting against the toxicity of anti-cancer therapy. Therefore, understanding the complex role of cannabinoids in modulating Nrf2 might shed light on its potential implementation as an anti-cancer support. In this review, we aim to highlight the impact of cannabinoids on Nrf2-related factors, with a focus on cancer prevention and treatment. Additionally, we have presented the results of several research studies that combined cannabidiol (CBD) with other compounds targeting Nrf2. Further studies should be directed toward exploring the anti-inflammatory effects of cannabinoids in the context of cancer prevention and therapy.
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Affiliation(s)
| | | | - Violetta Krajka-Kuźniak
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznań, Poland; (A.R.); (A.M.-C.)
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Gabarin A, Yarmolinsky L, Budovsky A, Khalfin B, Ben-Shabat S. Cannabis as a Source of Approved Drugs: A New Look at an Old Problem. Molecules 2023; 28:7686. [PMID: 38067416 PMCID: PMC10707504 DOI: 10.3390/molecules28237686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/09/2023] [Accepted: 11/15/2023] [Indexed: 12/18/2023] Open
Abstract
Cannabis plants have been used in medicine since ancient times. They are well known for their anti-diabetic, anti-inflammatory, neuroprotective, anti-cancer, anti-oxidative, anti-microbial, anti-viral, and anti-fungal activities. A growing body of evidence indicates that targeting the endocannabinoid system and various other receptors with cannabinoid compounds holds great promise for addressing multiple medical conditions. There are two distinct avenues in the development of cannabinoid-based drugs. The first involves creating treatments directly based on the components of the cannabis plant. The second involves a singular molecule strategy, in which specific phytocannabinoids or newly discovered cannabinoids with therapeutic promise are pinpointed and synthesized for future pharmaceutical development and validation. Although the therapeutic potential of cannabis is enormous, few cannabis-related approved drugs exist, and this avenue warrants further investigation. With this in mind, we review here the medicinal properties of cannabis, its phytochemicals, approved drugs of natural and synthetic origin, pitfalls on the way to the widespread clinical use of cannabis, and additional applications of cannabis-related products.
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Affiliation(s)
- Adi Gabarin
- The Department of Clinical Biochemistry & Pharmacology, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva 84105, Israel; (A.G.); (L.Y.); (B.K.)
| | - Ludmila Yarmolinsky
- The Department of Clinical Biochemistry & Pharmacology, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva 84105, Israel; (A.G.); (L.Y.); (B.K.)
| | - Arie Budovsky
- Research and Development Authority, Barzilai University Medical Center, Ashkelon 7830604, Israel;
| | - Boris Khalfin
- The Department of Clinical Biochemistry & Pharmacology, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva 84105, Israel; (A.G.); (L.Y.); (B.K.)
| | - Shimon Ben-Shabat
- The Department of Clinical Biochemistry & Pharmacology, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva 84105, Israel; (A.G.); (L.Y.); (B.K.)
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Shopan N, Scolnik D, Hassoun E, Firsow A, Volkov I, Glatstein M. Acute intoxication caused by three common synthetic cannabinoids: The experience of a large, urban, tertiary care hospital. Am J Emerg Med 2023; 73:7-10. [PMID: 37572408 DOI: 10.1016/j.ajem.2023.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/14/2023] Open
Abstract
BACKGROUND Synthetic cannabinoids (SC) are chemical substances, which activate cannabinoid receptors in a similar fashion to tetrahydrocannabinol, but with increased efficacy, and are used as illicit recreational drugs. OBJECTIVE Our objective was to characterize the clinical manifestations and management of three specific, common SC exposures in a cohort of patients presenting to the emergency department of our institution. METHODS Retrospective case series of patients admitted to an urban tertiary care center between August 1, 2018 and December 31, 2021, with confirmed SC use and positive urinary immunoassay testing for AB-FUBINACA, 4F-MDMB-BUTINACA and ACHMINACA. RESULTS 58 patients met inclusion criteria during the 3-year study period; median age was 35 years, 60% were male, 31% patients were exposed to >1 substance, and 31% needed hospital addition. The most common physical signs were cardiovascular (54%) and neuropsychiatric (45%). Severe outcomes included coma and seizures, necessitating intubation in 4 patients, and acute renal injury in 7 patients. CONCLUSION SC are potentially harmful drugs of abuse which can lead to life-threatening complications. Acute care personnel should be aware of the broad range of signs and symptoms of SC use. Testing with short turn around times is available to assess SC use.
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Affiliation(s)
- Noah Shopan
- Department of Emergency Medicine, Tel Aviv Medical Center, Faculty of Medicine, Tel Aviv University, Israel
| | - Dennis Scolnik
- Division of Pediatric Emergency Medicine, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Ontario, Canada
| | - Eyal Hassoun
- Clinical Biochemistry and Genetic Institute, Tel Aviv Sourasky Medical Center, Tel Aviv University, Israel
| | - Anastasia Firsow
- Clinical Biochemistry and Genetic Institute, Tel Aviv Sourasky Medical Center, Tel Aviv University, Israel
| | - Ilan Volkov
- General Psychiatry & Addiction Medicine, Dr. Tal Center for Psychiatry and Mental Health Services, Tel Aviv, Israel
| | - Miguel Glatstein
- Division of Pediatric Emergency Medicine Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Faculty of Medicine, Tel Aviv University, Israel; Division of Clinical Toxicology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
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Phung E, Lee D, Swart C, Ke Y, Moore-Bollinger K, Bynum N, Grabenauer M, Botch-Jones S. Evaluation of the long-term stability of select phenylacetylindole, cycloalkylindole, quinolinyl, and carboxamide synthetic cannabinoids using LC-MS-MS. J Anal Toxicol 2023; 47:685-693. [PMID: 37697731 DOI: 10.1093/jat/bkad073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 08/28/2023] [Accepted: 09/11/2023] [Indexed: 09/13/2023] Open
Abstract
Forensic toxicology laboratories often encounter casework backlogs, which raise concerns for drug stability that can be affected by long storage times, temperature and preservatives, or the lack thereof. The focus of this research was to evaluate the impact of these factors on the stability of 17 synthetic cannabinoids (SCs) in human whole blood and 10 associated metabolites in human urine. The fortified biological specimens were stored under room temperature (20°C), refrigerator (4°C) and freezer (-20°C) conditions for a period of 52 weeks. Preservatives included potassium oxalate, sodium ethylenediaminetetraacetic acid and sodium fluoride. Extraction of analytes was conducted using supported liquid extraction and analyzed using a liquid chromatograph-tandem mass spectrometer. Under all three storage conditions, the majority of urine metabolites were stable up to 9 weeks. All analytes in frozen sodium fluoride-preserved blood were stable at 21-52 weeks with the exception of APP-PICA. Analytes in the blood that were stable up to 52 weeks in the freezer generally had a core structure of a carbonyl substituent on a pyrazole or pyrrole with surrounding nonpolar groups. In contrast, compounds with two adjacent polar carbonyl functional groups experienced degradation at ≤1 week under ambient temperature and refrigeration. 5-Fluoropentyl analogs, XLR11 and 5-fluoro ADB-PINACA, in comparison to their counterpart analytes, UR144 and ADB-PINACA, were unstable at earlier time points under all temperatures. Based on these data, forensic blood evidence suggesting the presence of SC compounds is recommended to be frozen with sodium fluoride and potassium oxalate preservatives for optimal quantitative results.
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Affiliation(s)
- Erika Phung
- Boston University School of Medicine, Biomedical Forensic Sciences, 72 East Concord St., Boston, MA 02118, United States
| | - Daniel Lee
- Boston University School of Medicine, Biomedical Forensic Sciences, 72 East Concord St., Boston, MA 02118, United States
| | - Cassandra Swart
- Boston University School of Medicine, Biomedical Forensic Sciences, 72 East Concord St., Boston, MA 02118, United States
| | - Yiling Ke
- Boston University School of Medicine, Biomedical Forensic Sciences, 72 East Concord St., Boston, MA 02118, United States
| | - Katherine Moore-Bollinger
- Research Triangle Institute International, Center for Forensic Sciences, 3040 East Cornwallis Road, Research Triangle Park, NC 27709, United States
| | - Nichole Bynum
- Research Triangle Institute International, Center for Forensic Sciences, 3040 East Cornwallis Road, Research Triangle Park, NC 27709, United States
| | - Megan Grabenauer
- Research Triangle Institute International, Center for Forensic Sciences, 3040 East Cornwallis Road, Research Triangle Park, NC 27709, United States
| | - Sabra Botch-Jones
- Boston University School of Medicine, Biomedical Forensic Sciences, 72 East Concord St., Boston, MA 02118, United States
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Dou Q, Liu W, Xiang P, Zhao J. Quantitative Analysis of Three Synthetic Cannabinoids MDMB-4en-PINACA, ADB-BUTINACA, and ADB-4en-PINACA by Thermal-Assisted Carbon Fiber Ionization Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:2316-2322. [PMID: 37641897 DOI: 10.1021/jasms.3c00229] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Recently, synthetic cannabinoids (SCs) have emerged as new psychoactive substances (NPS) and have been frequently added to e-liquids, leading to their abuse. In order to detect SCs in e-liquids quickly and accurately, a thermal-assisted carbon fiber ionization mass spectrometry technique has been developed. The introduction of a heat source helps to reduce the matrix effects. The results indicate that the ratio of the slope of the matrix curve (e-liquids matrix) and the standard curve (methanol solution) for SCs analysis is close to 1, indicating a minimized matrix effect of this method. Furthermore, this method exhibits good quantitative ability when applied to real samples. It does not require sample pretreatment and is sensitive enough to directly quantify SCs in e-liquids. Our method is characterized by the ability to achieve rapid and direct quantitative analysis with minimized matrix effects. It provides a rapid and simple method for analyzing SCs in e-liquids.
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Affiliation(s)
- Quanlu Dou
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
- School of Pharmacy, Yantai University, Yantai 264005, China
| | - Wanhui Liu
- School of Pharmacy, Yantai University, Yantai 264005, China
| | - Ping Xiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - Junbo Zhao
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
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Piscura MK, Henderson-Redmond AN, Barnes RC, Mitra S, Guindon J, Morgan DJ. Mechanisms of cannabinoid tolerance. Biochem Pharmacol 2023; 214:115665. [PMID: 37348821 PMCID: PMC10528043 DOI: 10.1016/j.bcp.2023.115665] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 06/24/2023]
Abstract
Cannabis has been used recreationally and medically for centuries, yet research into understanding the mechanisms of its therapeutic effects has only recently garnered more attention. There is evidence to support the use of cannabinoids for the treatment of chronic pain, muscle spasticity, nausea and vomiting due to chemotherapy, improving weight gain in HIV-related cachexia, emesis, sleep disorders, managing symptoms in Tourette syndrome, and patient-reported muscle spasticity from multiple sclerosis. However, tolerance and the risk for cannabis use disorder are two significant disadvantages for cannabinoid-based therapies in humans. Recent work has revealed prominent sex differences in the acute response and tolerance to cannabinoids in both humans and animal models. This review will discuss evidence demonstrating cannabinoid tolerance in rodents, non-human primates, and humans and our current understanding of the neuroadaptations occurring at the cannabinoid type 1 receptor (CB1R) that are responsible tolerance. CB1R expression is downregulated in tolerant animals and humans while there is strong evidence of CB1R desensitization in cannabinoid tolerant rodent models. Throughout the review, critical knowledge gaps are indicated and discussed, such as the lack of a neuroimaging probe to assess CB1R desensitization in humans. The review discusses the intracellular signaling pathways that are responsible for mediating CB1R desensitization and downregulation including the action of G protein-coupled receptor kinases, β-arrestin2 recruitment, c-Jun N-terminal kinases, protein kinase A, and the intracellular trafficking of CB1R. Finally, the review discusses approaches to reduce cannabinoid tolerance in humans based on our current understanding of the neuroadaptations and mechanisms responsible for this process.
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Affiliation(s)
- Mary K Piscura
- Department of Biomedical Sciences, Marshall University, Huntington, WV 25755, USA; Department of Biomedical Sciences, Edward Via College of Osteopathic Medicine, Auburn, AL 36832, USA
| | | | - Robert C Barnes
- Department of Pharmacology and Neuroscience, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Swarup Mitra
- Department of Biomedical Sciences, Marshall University, Huntington, WV 25755, USA
| | - Josée Guindon
- Department of Pharmacology and Neuroscience, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Daniel J Morgan
- Department of Biomedical Sciences, Marshall University, Huntington, WV 25755, USA.
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Kirlioglu Balcioglu SS, Balcioglu YH, Oncu F. Electrocardiographic Markers of Arrhythmogenic Risk in Synthetic Cannabinoids Users. Cannabis Cannabinoid Res 2023; 8:691-697. [PMID: 35486856 DOI: 10.1089/can.2021.0193] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Synthetic cannabinoids (SCs) users appeared to have heightened risk for cardiac arrhythmias; however, current line of research is insufficient in terms of demonstrating both conventional and novel electrocardiographic arrhythmia risk indicators in this population. Objective(s): We aimed to investigate P-wave dispersion (Pwd), corrected QT interval (QTc), QTc dispersion (QTcd), Tpeak-Tend (Tp-e), Tp-e/QT ratio, corrected JT interval (JTc), and JTc dispersion (JTcd), which are shown among the risk factors for emergence of an arrhythmia, among SCs users, suggestive of possible adverse effects of SCs on the cardiac rhythm. Methods: Forty-one male SCs user patients who met Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) substance use disorder criteria and 41 healthy male controls included in the study. Substance-related characteristics were recorded. Electrocardiography recordings under standardized procedure of all participants were performed and arrhythmia risk markers were calculated from electrocardiograms (ECGs). Results: Age and heart rate per minute did not significantly differ between the groups. SCs user group had significantly higher Pwd, QTc, QTcd, Tp-e, Tp-e/QTc ratio, JTc, and JTcd values compared with controls. Among risk markers, only Pwd was significantly correlated with duration of SCs use. Conclusions: Alterations in ECG-derived markers of arrhythmia, which are acquired through an easy and cheap method, should be evaluated for the prediction and prevention of severe cardiac conditions in patients with SCs use.
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Affiliation(s)
| | - Yasin Hasan Balcioglu
- Forensic Psychiatry Unit, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey
| | - Fatih Oncu
- Forensic Psychiatry Unit, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey
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Kaur S, Nathani A, Singh M. Exosomal delivery of cannabinoids against cancer. Cancer Lett 2023; 566:216243. [PMID: 37257632 PMCID: PMC10426019 DOI: 10.1016/j.canlet.2023.216243] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/11/2023] [Accepted: 05/21/2023] [Indexed: 06/02/2023]
Abstract
Exosomes are extracellular vesicles (EVs) originating from endosomes that play a role in cellular communication. These vesicles which mimic the parental cells that release them are promising candidates for targeted drug delivery and therapeutic applications against cancer because of their favorable biocompatibility, specific targeting, low toxicity, and immunogenicity. Currently, Delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD) and other cannabinoids (e.g., CBG, THCV, CBC), are being explored for their anticancer and anti-proliferative properties. Several mechanisms, including cell cycle arrest, proliferation inhibition, activation of autophagy and apoptosis, inhibition of adhesion, metastasis, and angiogenesis have been proposed for their anticancer activity. EVs could be engineered as cannabinoid delivery systems for tumor-specificity leading to superior anticancer effects. This review discusses current techniques for EV isolation from various sources, characterization and strategies to load them with cannabinoids. More extensively, we culminate information available on different sources of EVs that have anticancer activity, mechanism of action of cannabinoids against various wild type and resistant tumors and role of CBD in histone modifications and cancer epigenetics. We have also enumerated the role of EVs containing cannabinoids against various tumors and in chemotherapy induced neuropathic pain.
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Affiliation(s)
- Sukhmandeep Kaur
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA
| | - Aakash Nathani
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA
| | - Mandip Singh
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA.
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Ciucă Anghel DM, Nițescu GV, Tiron AT, Guțu CM, Baconi DL. Understanding the Mechanisms of Action and Effects of Drugs of Abuse. Molecules 2023; 28:4969. [PMID: 37446631 DOI: 10.3390/molecules28134969] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/18/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
AIM Drug abuse and addiction are major public health concerns, with millions of people worldwide affected by the negative consequences of drug use. To better understand this complex issue, a review was conducted to examine the mechanisms of action and effects of drugs of abuse, including their acute and chronic effects, the symptoms of abstinence syndrome, as well as their cardiovascular impacts. METHODS The analyzed data were obtained after surveying an electronic database, namely PubMed, with no time limit, grey literature sources, and reference lists of relevant articles. RESULTS The review highlights the different categories of drugs of abuse, such as opioids, stimulants, depressants, hallucinogens, and cannabis, and discusses the specific ways that each drug affects the brain and body. Additionally, the review explores the short-term and long-term effects of drug abuse on the body and mind, including changes in brain structure and function, physical health problems, and mental health issues, such as depression and anxiety. In addition, the review explores the effects of drug abuse on cardiovascular health, focusing on electrocardiogram changes. Moreover, the analysis of relevant literature also highlighted possible genetic susceptibility in various addictions. Furthermore, the review delves into the withdrawal symptoms that occur when someone stops using drugs of abuse after a period of chronic use. CONCLUSION Overall, this review provides a comprehensive overview of the current state of knowledge on drug abuse and addiction. The findings of this review can inform the development of evidence-based prevention and intervention strategies to address this critical public health issue.
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Affiliation(s)
| | - Gabriela Viorela Nițescu
- Ward ATI-Toxicology, Paediatric Clinic 2, "Grigore Alexandrescu" Emergency Clinical Hospital for Children, 011732 Bucharest, Romania
| | - Andreea-Taisia Tiron
- Department of Medical Semiology, Sf. Ioan Emergency Clinical Hospital, Carol Davila University of Medicine and Pharmacy, 20021 Bucharest, Romania
| | - Claudia Maria Guțu
- Department of Toxicology, Carol Davila University of Medicine and Pharmacy, 20021 Bucharest, Romania
| | - Daniela Luiza Baconi
- Department of Toxicology, Carol Davila University of Medicine and Pharmacy, 20021 Bucharest, Romania
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de Oliveira MC, Vides MC, Lassi DLS, Torales J, Ventriglio A, Bombana HS, Leyton V, Périco CDAM, Negrão AB, Malbergier A, Castaldelli-Maia JM. Toxicity of Synthetic Cannabinoids in K2/Spice: A Systematic Review. Brain Sci 2023; 13:990. [PMID: 37508922 PMCID: PMC10377539 DOI: 10.3390/brainsci13070990] [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: 05/17/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
(1) Background: Synthetic cannabinoids (SCs) are emerging drugs of abuse sold as 'K2', 'K9' or 'Spice'. Evidence shows that using SCs products leads to greater health risks than cannabis. They have been associated with greater toxicity and higher addiction potential unrelated to the primary psychoactive component of marijuana, Δ9-tetrahydrocannabinol (Δ9-THC). Moreover, early cases of intoxication and death related to SCs highlight the inherent danger that may accompany the use of these substances. However, there is limited knowledge of the toxicology of Spice ingredients. This systematic review intends to analyze the toxicity of SCs compounds in Spice/K2 drugs. (2) Methods: Studies analyzing synthetic cannabinoid toxicity and dependence were included in the present review. We searched the PubMed database of the US National Library of Medicine, Google Scholar, CompTox Chemicals, and Web of Science up to May 2022. (3) Results: Sixty-four articles reporting the effects of synthetic cannabinoids in humans were included in our review. Ten original papers and fifty-four case studies were also included. Fourteen studies reported death associated with synthetic cannabinoid use, with AB-CHMINACA and MDMB-CHMICA being the main reported SCs. Tachycardia and seizures were the most common toxicity symptoms. The prevalence of neuropsychiatric symptoms was higher in third-generation SCs. (4) Conclusion: SCs may exhibit higher toxicity than THC and longer-lasting effects. Their use may be harmful, especially in people with epilepsy and schizophrenia, because of the increased risk of the precipitation of psychiatric and neurologic disorders. Compared to other drugs, SCs have a higher potential to trigger a convulsive crisis, a decline in consciousness, and hemodynamic changes. Therefore, it is crucial to clarify their potential harms and increase the availability of toxicology data in both clinical and research settings.
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Affiliation(s)
- Mariana Campello de Oliveira
- Interdisciplinary Group of Alcohol and Drug Studies (GREA), Institute Perdizes, Department of Psychiatry Medical School, São Paulo University, São Paulo 05403-903, SP, Brazil
| | - Mariana Capelo Vides
- Interdisciplinary Group of Alcohol and Drug Studies (GREA), Institute Perdizes, Department of Psychiatry Medical School, São Paulo University, São Paulo 05403-903, SP, Brazil
| | - Dângela Layne Silva Lassi
- Interdisciplinary Group of Alcohol and Drug Studies (GREA), Institute Perdizes, Department of Psychiatry Medical School, São Paulo University, São Paulo 05403-903, SP, Brazil
| | - Julio Torales
- Department of Psychological Medicine, School of Medical Sciences, National University of Asuncion, San Lorenzo 111421, Paraguay
| | - Antonio Ventriglio
- Department of Experimental Medicine, Medical School, University of Foggia, 71122 Foggia, Italy
| | - Henrique Silva Bombana
- Department of Legal Medicine, Medical School, São Paulo University, São Paulo 05508-090, SP, Brazil
| | - Vilma Leyton
- Department of Legal Medicine, Medical School, São Paulo University, São Paulo 05508-090, SP, Brazil
| | | | - André Brooking Negrão
- Interdisciplinary Group of Alcohol and Drug Studies (GREA), Institute Perdizes, Department of Psychiatry Medical School, São Paulo University, São Paulo 05403-903, SP, Brazil
| | - André Malbergier
- Interdisciplinary Group of Alcohol and Drug Studies (GREA), Institute Perdizes, Department of Psychiatry Medical School, São Paulo University, São Paulo 05403-903, SP, Brazil
| | - João Maurício Castaldelli-Maia
- Interdisciplinary Group of Alcohol and Drug Studies (GREA), Institute Perdizes, Department of Psychiatry Medical School, São Paulo University, São Paulo 05403-903, SP, Brazil
- Department of Neuroscience, Medical School, FMABC University Center, Santo André 09060-870, SP, Brazil
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
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Izquierdo-Luengo C, Ten-Blanco M, Ponce-Renilla M, Perezzan R, Pereda-Pérez I, Berrendero F. Adolescent exposure to the Spice/K2 cannabinoid JWH-018 impairs sensorimotor gating and alters cortical perineuronal nets in a sex-dependent manner. Transl Psychiatry 2023; 13:176. [PMID: 37225721 DOI: 10.1038/s41398-023-02469-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/02/2023] [Accepted: 05/12/2023] [Indexed: 05/26/2023] Open
Abstract
The consumption of synthetic cannabinoids during adolescence is reported to be a risk factor for the appearance of psychiatric disorders later in life. JWH-018 was identified as one of the primary psychoactive components present in Spice/K2 preparations. This study evaluated the short- and long-term consequences of exposure to JWH-018 during the adolescence in anxiety-like behavior, fear extinction, and sensorimotor gating in male and female mice. Alterations in anxiety varied depending on the time interval between treatment and behavioral analysis along with sex, while no changes were observed in the extinction of fear memory. A decrease in prepulse inhibition of the startle reflex was revealed in male, but not female, mice at short- and long-term. This behavioral disturbance was associated with a reduction in the number of perineuronal nets in the prelimbic and infralimbic regions of the prefrontal cortex in the short-term. Furthermore, adolescent exposure to JWH-018 induced an activation of microglia and astrocytes in the prefrontal cortex of male mice at both time intervals. A transitory decrease in the expression of GAD67 and CB2 cannabinoid receptors in the prefrontal cortex was also found in male mice exposed to JWH-018. These data reveal that the treatment with JWH-018 during the adolescence leads to long-lasting neurobiological changes related to psychotic-like symptoms, which were sex-dependent.
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Affiliation(s)
- Cristina Izquierdo-Luengo
- Instituto de Investigaciones Biosanitarias, Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Marc Ten-Blanco
- Instituto de Investigaciones Biosanitarias, Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - María Ponce-Renilla
- Instituto de Investigaciones Biosanitarias, Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Ramiro Perezzan
- Instituto de Investigaciones Biosanitarias, Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Inmaculada Pereda-Pérez
- Instituto de Investigaciones Biosanitarias, Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain.
| | - Fernando Berrendero
- Instituto de Investigaciones Biosanitarias, Faculty of Experimental Sciences, Universidad Francisco de Vitoria, Madrid, Spain.
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Arceri L, Nguyen TK, Gibson S, Baker S, Wingert RA. Cannabinoid Signaling in Kidney Disease. Cells 2023; 12:1419. [PMID: 37408253 DOI: 10.3390/cells12101419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/11/2023] [Accepted: 05/16/2023] [Indexed: 07/07/2023] Open
Abstract
Endocannabinoid signaling plays crucial roles in human physiology in the function of multiple systems. The two cannabinoid receptors, CB1 and CB2, are cell membrane proteins that interact with both exogenous and endogenous bioactive lipid ligands, or endocannabinoids. Recent evidence has established that endocannabinoid signaling operates within the human kidney, as well as suggests the important role it plays in multiple renal pathologies. CB1, specifically, has been identified as the more prominent ECS receptor within the kidney, allowing us to place emphasis on this receptor. The activity of CB1 has been repeatedly shown to contribute to both diabetic and non-diabetic chronic kidney disease (CKD). Interestingly, recent reports of acute kidney injury (AKI) have been attributed to synthetic cannabinoid use. Therefore, the exploration of the ECS, its receptors, and its ligands can help provide better insight into new methods of treatment for a range of renal diseases. This review explores the endocannabinoid system, with a focus on its impacts within the healthy and diseased kidney.
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Affiliation(s)
- Liana Arceri
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Thanh Khoa Nguyen
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Shannon Gibson
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Sophia Baker
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Rebecca A Wingert
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
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Bäckberg M, Vikingsson S, Strandberg J, Wall S, Åstrand A, Karlsson H, Persson M, Kronstrand R, Green H. Using in vitro receptor activity studies of synthetic cannabinoids to support the risk assessment of new psychoactive substances - A Swedish strategy to protect public health from harm. Forensic Sci Int 2023; 348:111691. [PMID: 37116244 DOI: 10.1016/j.forsciint.2023.111691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 04/08/2023] [Accepted: 04/12/2023] [Indexed: 04/30/2023]
Abstract
In the past 15 years, close to 1000 of new psychoactive substances (NPS) have been reported in Europe and globally. At the time of identification, data on safety, toxicity and carcinogenic potential of many NPS are not available or very limited. To work more efficiently, a strategy and collaboration between the Public Health Agency of Sweden (PHAS) and the National Board of Forensic Medicine was established involving in vitro receptor activity assays to demonstrate neurological activity of NPS. This report summarizes the first results on the synthetic cannabinoid receptor agonists (SCRAs), and subsequent actions taken by PHAS. A total of 18 potential SCRAs were selected by PHAS for in vitro pharmacological characterization. 17 compounds could be acquired and investigated for their activity on the human cannabinoid-1 (CB1) receptors expressed together with the AequoScreen system in CHO-K1 cells. Dose-response curves were established using eight different concentrations in triplicates at three occasions with JWH-018 as reference. For the MDMB-4en-PINACA, MMB-022, ACHMINACA, ADB-BUTINACA, 5F-CUMYL-PeGACLONE, 5C-AKB48, NM-2201, 5F-CUMYL-PINACA, JWH-022, 5Cl-AB-PINACA, MPhP-2201, 5F-AKB57 the half maximal effective concentration values ranged from 2.2 nM (5F-CUMYL-PINACA) to 171 nM (MMB-022). EG-018 and 3,5-AB-CHMFUPPYCA were none-active. The results contributed to 14 of these compounds being scheduled as narcotics in Sweden. In conclusion, many of the emerging SCRAs are potent activators of the CB1 receptor in vitro, although some lack activity or are partial agonists. The new strategy proved useful when data on psychoactive effects of the SCRAs under investigation were not available or limited.
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Affiliation(s)
- Matilda Bäckberg
- Department of Chemical and Pharmaceutical Safety, RISE Research Institutes of Sweden, SE-151 36 Södertälje, Sweden.
| | - Svante Vikingsson
- Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, SE-581 85 Linköping, Sweden; Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, SE-587 58 Linköping, Sweden; RTI International, Research Triangle Park, 3040 East Cornwallis Rd., NC 27709, USA
| | - Joakim Strandberg
- Department of Living Conditions and Lifestyles, The Public Health Agency of Sweden, SE-831 40 Östersund, Sweden
| | - Sara Wall
- Department of Living Conditions and Lifestyles, The Public Health Agency of Sweden, SE-831 40 Östersund, Sweden
| | - Anna Åstrand
- Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, SE-581 85 Linköping, Sweden
| | - Hanna Karlsson
- Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, SE-581 85 Linköping, Sweden
| | - Mattias Persson
- Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, SE-587 58 Linköping, Sweden
| | - Robert Kronstrand
- Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, SE-581 85 Linköping, Sweden; Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, SE-587 58 Linköping, Sweden
| | - Henrik Green
- Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, SE-581 85 Linköping, Sweden; Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, SE-587 58 Linköping, Sweden
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Araújo DS, Arantes LC, Faria LV, Souza KA, Pimentel DM, Barbosa SL, Richter EM, Muñoz RA, dos Santos WT. Electrochemistry of 5F-MDMB-PICA synthetic cannabinoid using a boron-doped diamond electrode with short anodic-cathodic pretreatment: A simple screening method for application in forensic analysis. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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Natural and synthetic compounds for glioma treatment based on ROS-mediated strategy. Eur J Pharmacol 2023:175537. [PMID: 36871663 DOI: 10.1016/j.ejphar.2023.175537] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 01/08/2023] [Accepted: 01/23/2023] [Indexed: 03/06/2023]
Abstract
Glioma is the most frequent and most malignant tumor of the central nervous system (CNS),accounting for about 50% of all CNS tumor and approximately 80% of the malignant primary tumors in the CNS. Patients with glioma benefit from surgical resection, chemo- and radio-therapy. However these therapeutical strategies do not significantly improve the prognosis, nor increase survival rates owing to restricted drug contribution in the CNS and to the malignant characteristics of glioma. Reactive oxygen species (ROS) are important oxygen-containing molecules that regulate tumorigenesis and tumor progression. When ROS accumulates to cytotoxic levels, this can lead to anti-tumor effects. Multiple chemicals used as therapeutic strategies are based on this mechanism. They regulate intracellular ROS levels directly or indirectly, resulting in the inability of glioma cells to adapt to the damage induced by these substances. In the current review, we summarize the natural products, synthetic compounds and interdisciplinary techniques used for the treatment of glioma. Their possible molecular mechanisms are also presented. Some of them are also used as sensitizers: they modulate ROS levels to improve the outcomes of chemo- and radio-therapy. In addition, we summarize some new targets upstream or downstream of ROS to provide ideas for developing new anti-glioma therapies.
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Dugues P, Abe E, Etting I, Nguyen AH, Edel Y, Alvarez JC, Larabi IA. Consommation de cannabinoïdes de synthèse (CS) en région parisienne : profil d’un consommateur de 9 CS dérivés indoles et indazoles et premières données de la littérature. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2023. [DOI: 10.1016/j.toxac.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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Omran GA, Abd Allah ESH, Mohammed SA, El Shehaby DM. Behavioral, biochemical and histopathological toxic profiles induced by sub-chronic cannabimimetic WIN55, 212-2 administration in mice. BMC Pharmacol Toxicol 2023; 24:8. [PMID: 36750905 PMCID: PMC9906926 DOI: 10.1186/s40360-023-00644-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/04/2023] [Indexed: 02/09/2023] Open
Abstract
WIN55, 212-2 mesylate is a synthetic cannabinoid (SC) agonist of CB1 and CB2 receptors with much higher affinity to CB1 receptor than tetrahydrocannabinol and many potential therapeutic effects. Few studies have evaluated SCs effects on more complex animal behavior and sex differences in cannabinoids toxicology. The current study was undertaken for determination of behavioral (Open Field test), biochemical (liver and kidney function test plus GABA & Glutamate levels), histopathological and CB1 immunohistochemistry risks of sub-chronic administration of SC WIN55, 212-2 mesylate in male and female mice. A total of 40 healthy adult mice were randomly divided into four groups (5 mice each): a negative control group, a vehicle group, a low dose (0.05 mg/kg) group and a high dose group (0.1 mg/kg) for each gender.Open Field Test revealed dose and gender-dependent anxiogenic effect with reduced locomotor activity in both sexes especially the higher doses with female mice being less compromised. GABA and glutamate levels increased significantly in both dose groups compared to controls alongside female mice versus males. No significant biochemical alterations were found in all groups with minimal histopathological changes. The CB1 receptors immunohistochemistry revealed a significant increase in the number of CB1 positive neurons in both low and high dose groups against controls with higher expression in female brains.ConclusionsThere were sexual dimorphism effects induced by sub-chronic exposure to WIN55, 212-2 with lesser female mice affection and dose-dependent influences.
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Affiliation(s)
- Ghada A. Omran
- grid.252487.e0000 0000 8632 679XForensic Medicine & Clinical Toxicology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Eman S. H. Abd Allah
- grid.252487.e0000 0000 8632 679XMedical Physiology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Sherine Ahmed Mohammed
- grid.412659.d0000 0004 0621 726XMedical Histology Department, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Doaa M. El Shehaby
- grid.252487.e0000 0000 8632 679XForensic Medicine & Clinical Toxicology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
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First episode psychosis with and without the use of cannabis and synthetic cannabinoids: Psychopathology, global functioning and suicidal ideation and antipsychotic effectiveness. Psychiatry Res 2023; 320:115053. [PMID: 36682093 DOI: 10.1016/j.psychres.2023.115053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/24/2022] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
BACKGROUND Natural Cannabis (NC) and Synthetic Cannabinoids (SCs) use can increase the risk of developing psychotic disorders and exacerbate their course. AIMS To examine the differences between psychoses not associated with cannabis use and those associated with NC and SCs use, evaluating psychotic symptoms, global functioning, dissociative symptoms and suicidal ideation. METHODS The sample of 61 patients with First Episode Psychosis (FEP) was divided into 3 groups: non-Cannabis users (non-users, N = 20); NC users (THC-users, N = 21); SCs users (SPICE-users, N = 20). Each group was assessed at FEP and after 3 and 9 months through specific psychopathological scales. RESULTS THC-users, and even more SPICE-users, displayed much more severe positive symptoms than non-users. Negative symptoms were higher among non-users. After 9 months the non-users had recovered significantly better than SPICE-users in their global functioning. Dissociative symptoms were significantly greater in substance users. Finally, suicidal ideation was higher in SPICE-users than in both THC-users and non-users. DISCUSSION The psychoses induced by NC and SCs showed different symptomatic pictures and outcomes from each other and when compared to the psychoses not associated with the use of substances; such knowledge could be relevant in identifying a specific drug treatment.
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The Old and the New: Cardiovascular and Respiratory Alterations Induced by Acute JWH-018 Administration Compared to Δ 9-THC-A Preclinical Study in Mice. Int J Mol Sci 2023; 24:ijms24021631. [PMID: 36675144 PMCID: PMC9865969 DOI: 10.3390/ijms24021631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 01/04/2023] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
Several new psychoactive substances (NPS) are responsible for intoxication involving the cardiovascular and respiratory systems. Among NPS, synthetic cannabinoids (SCs) provoked side effects in humans characterized by tachycardia, arrhythmias, hypertension, breathing difficulty, apnoea, myocardial infarction, and cardiac arrest. Therefore, the present study investigated the cardio-respiratory (MouseOx Plus; EMKA electrocardiogram (ECG) and plethysmography TUNNEL systems) and vascular (BP-2000 systems) effects induced by 1-naphthalenyl (1-pentyl-1H-indol-3-yl)-methanone (JWH-018; 0.3-3-6 mg/kg) and Δ9-tetrahydrocannabinol (Δ9-THC; 0.3-3-6 mg/kg), administered in awake CD-1 male mice. The results showed that higher doses of JWH-018 (3-6 mg/kg) induced deep and long-lasting bradycardia, alternated with bradyarrhythmia, spaced out by sudden episodes of tachyarrhythmias (6 mg/kg), and characterized by ECG electrical parameters changes, sustained bradypnea, and systolic and transient diastolic hypertension. Otherwise, Δ9-THC provoked delayed bradycardia (minor intensity tachyarrhythmias episodes) and bradypnea, also causing a transient and mild hypertensive effect at the tested dose range. These effects were prevented by both treatment with selective CB1 (AM 251, 6 mg/kg) and CB2 (AM 630, 6 mg/kg) receptor antagonists and with the mixture of the antagonists AM 251 and AM 630, even if in a different manner. Cardio-respiratory and vascular symptoms could be induced by peripheral and central CB1 and CB2 receptors stimulation, which could lead to both sympathetic and parasympathetic systems activation. These findings may represent a starting point for necessary future studies aimed at exploring the proper antidotal therapy to be used in SCs-intoxicated patient management.
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De Simone U, Pignatti P, Villani L, Russo LA, Sargenti A, Bonetti S, Buscaglia E, Coccini T. Human Astrocyte Spheroids as Suitable In Vitro Screening Model to Evaluate Synthetic Cannabinoid MAM2201-Induced Effects on CNS. Int J Mol Sci 2023; 24:ijms24021421. [PMID: 36674936 PMCID: PMC9861655 DOI: 10.3390/ijms24021421] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/02/2023] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
There is growing concern about the consumption of synthetic cannabinoids (SCs), one of the largest groups of new psychoactive substances, its consequence on human health (general population and workers), and the continuous placing of new SCs on the market. Although drug-induced alterations in neuronal function remain an essential component for theories of drug addiction, accumulating evidence indicates the important role of activated astrocytes, whose essential and pleiotropic role in brain physiology and pathology is well recognized. The study aims to clarify the mechanisms of neurotoxicity induced by one of the most potent SCs, named MAM-2201 (a naphthoyl-indole derivative), by applying a novel three-dimensional (3D) cell culture model, mimicking the physiological and biochemical properties of brain tissues better than traditional two-dimensional in vitro systems. Specifically, human astrocyte spheroids, generated from the D384 astrocyte cell line, were treated with different MAM-2201 concentrations (1-30 µM) and exposure times (24-48 h). MAM-2201 affected, in a concentration- and time-dependent manner, the cell growth and viability, size and morphological structure, E-cadherin and extracellular matrix, CB1-receptors, glial fibrillary acidic protein, and caspase-3/7 activity. The findings demonstrate MAM-2201-induced cytotoxicity to astrocyte spheroids, and support the use of this human 3D cell-based model as species-specific in vitro tool suitable for the evaluation of neurotoxicity induced by other SCs.
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Affiliation(s)
- Uliana De Simone
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, Italy
| | - Patrizia Pignatti
- Allergy and Immunology Unit, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, Italy
| | - Laura Villani
- Pathology Unit, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, Italy
| | | | | | - Simone Bonetti
- CNR-ISMN, Institute for Nanostructured Materials, 40129 Bologna, Italy
| | - Eleonora Buscaglia
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, Italy
| | - Teresa Coccini
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, Italy
- Correspondence: ; Tel.: +39-0382-592416
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Al-Eitan L, Alkhawaldeh M. MDMB-FUBINACA Influences Brain Angiogenesis and the Expression of VEGF, ANG-1, and ANG-2. Curr Vasc Pharmacol 2023; 21:356-365. [PMID: 37711102 DOI: 10.2174/1570161121666230913093441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 09/16/2023]
Abstract
AIM This study aims to explore the impact of the synthetic cannabinoid methyl 2-(1-(4- fluorobenzyl)-1H-indazole-3-carboxamido)-3,3-dimethylbutanoate (MDMB-FUBINACA) on the angiogenesis process in human brain microvascular endothelial cells. BACKGROUND Synthetic cannabinoids (SCs) are substances that mimic the natural components found in the cannabis plant. SCs are considered prohibited substances that have a clear impact on the central nervous system (CNS). OBJECTIVES The purpose of this study is to explore how MDMB-FUBINACA influences angiogenesis in human brain microvascular endothelial cells and to clarify the pathways related to the cannabinoid receptors. METHODS Human brain microvascular endothelial cells (hBMECs) were grown in the medium containing Dulbecco Modified Eagle Medium (DMEM/F12) using an endothelial cell growth kit. Endothelial cell viability was evaluated using the MTT test. Migration ability was measured using the Wound healing test. The angiogenic capability was measured using a Tube Formation assay. Real-time polymerase chain reaction (RT-PCR) was utilized to explore the mRNA concentrations following MDMBFUBINACA treatment. ELISA and Western blotting were also employed to measure the protein levels. RESULTS MDMB-FUBINACA greatly increases tube formation, endothelial cell proliferation, and migration. Pro-angiogenic factors such as angiopoietins 1 and 2 (ANG-1 and 2) and vascular endothelial growth factor (VEGF) were shown to be increased at both the RNA and protein levels. CONCLUSION MDMB-FUBINACA induces the progression of the angiogenesis process by inducing the expression of pro-angiogenic factors. These findings aim toward developing novel treatments for angiogenesis- related disorders.
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Affiliation(s)
- Laith Al-Eitan
- Biotechnology and Genetic Engineering Department, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Mishael Alkhawaldeh
- Biotechnology and Genetic Engineering Department, Jordan University of Science and Technology, Irbid, 22110, Jordan
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