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Custodio RJP, Ortiz DM, Lee HJ, Sayson LV, Kim M, Lee YS, Kim KM, Cheong JH, Kim HJ. Serotonin 2C receptors are also important in head-twitch responses in male mice. Psychopharmacology (Berl) 2023:10.1007/s00213-023-06482-9. [PMID: 37882810 DOI: 10.1007/s00213-023-06482-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 10/05/2023] [Indexed: 10/27/2023]
Abstract
RATIONALE Serotonergic psychedelics exert their effects via their high affinity for serotonin (5-HT) receptors, particularly through activating 5-HT2A receptors (5-HT2AR), employing the frontal cortex-dependent head-twitch response (HTR). Although universally believed to be so, studies have not yet fully ascertained whether 5-HT2AR activation is the sole initiator of these psychedelic effects. This is because not all 5-HT2AR agonists exhibit similar pharmacologic properties. OBJECTIVE This study aims to identify and discriminate the roles of 5-HT2AR and 5-HT2CR in the HTR induced by Methallylescaline (MAL) and 4-Methyl-2,5,β-trimethoxyphenethylamine (BOD) in male mice. Also, an analysis of their potential neurotoxic properties was evaluated. METHODS Male mice treated with MAL and BOD were evaluated in different behavioral paradigms targeting HTR and neurotoxicity effects. Drug affinity, pharmacological blocking, and molecular analysis were also conducted to support the behavioral findings. The HTR induced by DOI has been extensively characterized in male mice, making it a good positive control for this study, specifically for comparing the pharmacological effects of our test compounds. RESULTS The activation of 5-HT2CR, alone or in concert with 5-HT2AR, produces a comparable degree of HTRs (at a dose of 1 mg·kg-1), with divergent 5-HT2CR- and 5-HT2AR-Gqα11-mediated signaling and enhanced neurotoxic properties (at a dose of 30 mg·kg-1) coupled with activated pro-inflammatory cytokines. These findings show these compounds' potential psychedelic and neurotoxic effects in male mice. CONCLUSION These findings showed that while 5-HT2AR is the main initiator of HTR, the 5-HT2CR also has a distinct property that renders it effective in inducing HTR in male mice.
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Affiliation(s)
- Raly James Perez Custodio
- Networking Group Aging, Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors - IfADo, Ardeystrasse 67, Dortmund, 44139, Germany.
| | - Darlene Mae Ortiz
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarang-ro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Hyun Jun Lee
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarang-ro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Leandro Val Sayson
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarang-ro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Mikyung Kim
- Department of Chemistry & Life Science, Sahmyook University, 815 Hwarang-ro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Yong Sup Lee
- Medicinal Chemistry Laboratory, Department of Pharmacy & Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul, 02447, Republic of Korea
| | - Kyeong-Man Kim
- Department of Pharmacology, College of Pharmacy, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - Jae Hoon Cheong
- Institute for New Drug Development, College of Pharmacy, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, Jeollabuk-do, 54896, Republic of Korea.
| | - Hee Jin Kim
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarang-ro, Nowon-gu, Seoul, 01795, Republic of Korea.
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Custodio RJP, Hobloss Z, Myllys M, Hassan R, González D, Reinders J, Bornhorst J, Weishaupt AK, Seddek AL, Abbas T, Friebel A, Hoehme S, Getzmann S, Hengstler JG, van Thriel C, Ghallab A. Cognitive Functions, Neurotransmitter Alterations, and Hippocampal Microstructural Changes in Mice Caused by Feeding on Western Diet. Cells 2023; 12:2331. [PMID: 37759553 PMCID: PMC10529844 DOI: 10.3390/cells12182331] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD) is the most common chronic liver disease in Western countries. It is becoming increasingly evident that peripheral organ-centered inflammatory diseases, including liver diseases, are linked with brain dysfunctions. Therefore, this study aims to unravel the effect of MASLD on brain histology, cognitive functions, and neurotransmitters. For this purpose, mice fed for 48 weeks on standard (SD) or Western diet (WD) were evaluated by behavioral tests, followed by sacrifice and analysis of the liver-brain axis including histopathology, immunohistochemistry, and biochemical analyses. Histological analysis of the liver showed features of Metabolic Dysfunction-Associated Steatohepatitis (MASH) in the WD-fed mice including lipid droplet accumulation, inflammation, and fibrosis. This was accompanied by an elevation of transaminase and alkaline phosphatase activities, increase in inflammatory cytokine and bile acid concentrations, as well as altered amino acid concentrations in the blood. Interestingly, compromised blood capillary morphology coupled with astrogliosis and microgliosis were observed in brain hippocampus of the WD mice, indicating neuroinflammation or a disrupted neurovascular unit. Moreover, attention was impaired in WD-fed mice along with the observations of impaired motor activity and balance, enhanced anxiety, and stereotyped head-twitch response (HTR) behaviors. Analysis of neurotransmitters and modulators including dopamine, serotonin, GABA, glutamate, and acetylcholine showed region-specific dysregulation in the brain of the WD-fed mice. In conclusion, the induction of MASH in mice is accompanied by the alteration of cellular morphology and neurotransmitter expression in the brain, associated with compromised cognitive functions.
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Affiliation(s)
- Raly James Perez Custodio
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Zaynab Hobloss
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Maiju Myllys
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Reham Hassan
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
| | - Daniela González
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Jörg Reinders
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Julia Bornhorst
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany; (J.B.); (A.-K.W.)
| | - Ann-Kathrin Weishaupt
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany; (J.B.); (A.-K.W.)
| | - Abdel-latif Seddek
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
| | - Tahany Abbas
- Histology Department, Faculty of Medicine, South Valley University, Qena 83523, Egypt;
| | - Adrian Friebel
- Institute of Computer Science & Saxonian Incubator for Clinical Research (SIKT), University of Leipzig, Haertelstraße 16-18, 04107 Leipzig, Germany; (A.F.); (S.H.)
| | - Stefan Hoehme
- Institute of Computer Science & Saxonian Incubator for Clinical Research (SIKT), University of Leipzig, Haertelstraße 16-18, 04107 Leipzig, Germany; (A.F.); (S.H.)
| | - Stephan Getzmann
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Jan G. Hengstler
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Christoph van Thriel
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
| | - Ahmed Ghallab
- Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; (R.J.P.C.); (Z.H.); (M.M.); (R.H.); (D.G.); (J.R.); (S.G.)
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
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Sayson LV, Ortiz DM, Lee HJ, Kim M, Custodio RJP, Yun J, Lee CH, Lee YS, Cha HJ, Cheong JH, Kim HJ. Deletion of Cryab increases the vulnerability of mice to the addiction-like effects of the cannabinoid JWH-018 via upregulation of striatal NF-κB expression. Front Pharmacol 2023; 14:1135929. [PMID: 37007015 PMCID: PMC10060981 DOI: 10.3389/fphar.2023.1135929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023] Open
Abstract
Synthetic cannabinoids have exhibited unpredictable abuse liabilities, especially self-administration (SA) responses in normal rodent models, despite seemingly inducing addiction-like effects in humans. Thus, an efficient pre-clinical model must be developed to determine cannabinoid abuse potential in animals and describe the mechanism that may mediate cannabinoid sensitivity. The Cryab knockout (KO) mice were recently discovered to be potentially sensitive to the addictive effects of psychoactive drugs. Herein, we examined the responses of Cryab KO mice to JWH-018 using SA, conditioned place preference, and electroencephalography. Additionally, the effects of repeated JWH-018 exposure on endocannabinoid- and dopamine-related genes in various addiction-associated brain regions were examined, along with protein expressions involving neuroinflammation and synaptic plasticity. Cryab KO mice exhibited greater cannabinoid-induced SA responses and place preference, along with divergent gamma wave alterations, compared to wild-type (WT) mice, implying their higher sensitivity to cannabinoids. Endocannabinoid- or dopamine-related mRNA expressions and accumbal dopamine concentrations after repeated JWH-018 exposure were not significantly different between the WT and Cryab KO mice. Further analyses revealed that repeated JWH-018 administration led to possibly greater neuroinflammation in Cryab KO mice, which may arise from upregulated NF-κB, accompanied by higher expressions of synaptic plasticity markers, which might have contributed to the development of cannabinoid addiction-related behavior in Cryab KO mice. These findings signify that increased neuroinflammation via NF-κB may mediate the enhanced addiction-like responses of Cryab KO mice to cannabinoids. Altogether, Cryab KO mice may be a potential model for cannabinoid abuse susceptibility.
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Affiliation(s)
- Leandro Val Sayson
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
| | - Darlene Mae Ortiz
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
| | - Hyun Jun Lee
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
| | - Mikyung Kim
- Department of Chemistry and Life Science, Sahmyook University, Seoul, Republic of Korea
| | - Raly James Perez Custodio
- Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors—IfADo, Dortmund, Germany
| | - Jaesuk Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Chae Hyeon Lee
- Medicinal Chemistry Laboratory, Department of Fundamental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Yong Sup Lee
- Medicinal Chemistry Laboratory, Department of Fundamental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Hye Jin Cha
- College of Veterinary Medicine, Gyeongsang National University, Jinju, Gyeongsangnam–do, Republic of Korea
| | - Jae Hoon Cheong
- Institute for New Drug Development, School of Pharmacy, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
- *Correspondence: Jae Hoon Cheong, ; Hee Jin Kim,
| | - Hee Jin Kim
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, Seoul, Republic of Korea
- *Correspondence: Jae Hoon Cheong, ; Hee Jin Kim,
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Ortiz DMD, Kim M, Lee HJ, Botanas CJ, Custodio RJP, Sayson LV, Campomayor NB, Lee C, Lee YS, Cheong JH, Kim HJ. 4-F-PCP, a Novel PCP Analog Ameliorates the Depressive-Like Behavior of Chronic Social Defeat Stress Mice via NMDA Receptor Antagonism. Biomol Ther (Seoul) 2023; 31:227-239. [PMID: 36789738 PMCID: PMC9970834 DOI: 10.4062/biomolther.2022.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 02/16/2023] Open
Abstract
Major depressive disorder is a leading cause of disability in more than 280 million people worldwide. Monoamine-based antidepressants are currently used to treat depression, but delays in treatment effects and lack of responses are major reasons for the need to develop faster and more efficient antidepressants. Studies show that ketamine (KET), a PCP analog, produces antidepressant effects within a few hours of administration that lasts up to a week. However, the use of KET has raised concerns about side effects, as well as the risk of abuse. 4 -F-PCP analog is a novel PCP analog that is also an NMDA receptor antagonist, structurally similar to KET, and might potentially elicit similar antidepressant effects, however, there has been no study on this subject yet. Herein, we investigate whether 4-F-PCP displays antidepressant effects and explored their potential therapeutic mechanisms. 4-F-PCP at 3 and 10 mg/kg doses showed antidepressant-like effects and repeated treatments maintained its effects. Furthermore, treatment with 4-F-PCP rescued the decreased expression of proteins most likely involved in depression and synaptic plasticity. Changes in the excitatory amino acid transporters (EAAT2, EAAT3, EAAT4) were also seen following drug treatment. Lastly, we assessed the possible side effects of 4-F-PCP after long-term treatment (up to 21 days). Results show that 4-F-PCP at 3 mg/kg dose did not alter the cognitive function of mice. Overall, current findings provide significant implications for future research not only with PCP analogs but also on the next generation of different types of antidepressants.
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Affiliation(s)
- Darlene Mae D. Ortiz
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea
| | - Mikyung Kim
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea,Department of Chemistry & Life Science, Sahmyook University, Seoul 01795, Republic of Korea
| | - Hyun Jun Lee
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea
| | - Chrislean Jun Botanas
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Raly James Perez Custodio
- Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors, 44139 Dortmund, Germany
| | - Leandro Val Sayson
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea
| | - Nicole Bon Campomayor
- Department of Chemistry & Life Science, Sahmyook University, Seoul 01795, Republic of Korea
| | - Chaeyeon Lee
- Department of Fundamental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yong Sup Lee
- Department of Fundamental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae Hoon Cheong
- Institute for New Drug Development, School of Pharmacy, Jeonbuk National University, Jeonju 54896, Republic of Korea,Corresponding Authors E-mail: (Cheong JH), (Kim HJ), Tel: +82-2-2339-1605 (Cheong JH), +82-2-3399-1609 (Kim HJ), Fax: +82-2-2339-1619 (Cheong JH), +82-2-3399-1617 (Kim HJ)
| | - Hee Jin Kim
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea,Corresponding Authors E-mail: (Cheong JH), (Kim HJ), Tel: +82-2-2339-1605 (Cheong JH), +82-2-3399-1609 (Kim HJ), Fax: +82-2-2339-1619 (Cheong JH), +82-2-3399-1617 (Kim HJ)
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Johnson A, Stewart A, El-Hakim I, Hamilton TJ. Effects of super-class cannabis terpenes beta-caryophyllene and alpha-pinene on zebrafish behavioural biomarkers. Sci Rep 2022; 12:17250. [PMID: 36241680 PMCID: PMC9568608 DOI: 10.1038/s41598-022-21552-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/28/2022] [Indexed: 01/06/2023] Open
Abstract
Terpenes possess a wide range of medicinal properties and are potential therapeutics for a variety of pathological conditions. This study investigated the acute effects of two cannabis terpenes, β-caryophyllene and α-pinene, on zebrafish locomotion, anxiety-like, and boldness behaviour using the open field exploration and novel object approach tests. β-caryophyllene was administered in 0.02%, 0.2%, 2.0%, and 4% doses. α-pinene was administered in 0.01%, 0.02%, and 0.1% doses. As α-pinene is a racemic compound, we also tested its (+) and (-) enantiomers to observe any differential effects. β-caryophyllene had only a sedative effect at the highest dose tested. α-pinene had differing dose-dependent effects on anxiety-like and motor variables. Specifically, (+)-α-pinene and (-)-α-pinene had significant effects on anxiety measures, time spent in the thigmotaxis (outer) or center zone, in the open field test, as well as locomotor variables, swimming velocity and immobility. (+ /-)-α-pinene showed only a small effect on the open field test on immobility at the 0.1% dose. This study demonstrates that α-pinene can have a sedative or anxiolytic effect in zebrafish and may have different medicinal properties when isolated into its (+) or (-) enantiomers.
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Affiliation(s)
- Andréa Johnson
- Department of Psychology, MacEwan University, Edmonton, AB, Canada
| | - Alycia Stewart
- Department of Psychology, MacEwan University, Edmonton, AB, Canada
| | - Ismaeel El-Hakim
- Department of Psychology, MacEwan University, Edmonton, AB, Canada
| | - Trevor J Hamilton
- Department of Psychology, MacEwan University, Edmonton, AB, Canada.
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada.
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Wang G, Liu Y, Zhu X, Lin K, Li M, Wu Z, Zhang R, Zheng Q, Li D, An T. Knockdown of miRNA-134-5p rescues dendritic deficits by promoting AMPK-mediated mitophagy in a mouse model of depression. Neuropharmacology 2022; 214:109154. [PMID: 35659969 DOI: 10.1016/j.neuropharm.2022.109154] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/23/2022] [Accepted: 05/29/2022] [Indexed: 12/28/2022]
Abstract
Neuronal dendrites and dendritic spines are essential for normal synaptic transmission and may be critically involved in the pathophysiology of various neurological disorders, including depression. Emerging data supports the role of mitochondria in dendritic protrusions in modulating the development and morphological plasticity of spines. Mitophagy, a mitochondria-specific form of autophagy, is the fundamental process of clearing damaged mitochondria to maintain cellular homeostasis. As a brain-specific microRNA, miR-134 is localized to the synaptodendritic compartment of hippocampal neurons and negatively regulates the development of dendritic spines. However, the role of miR-134 in mitophagy related to dendritic deficits in the pathophysiology of depression remains unclear. In this study, we showed that miR-134-5p knockdown abrogated depressive-like behavioral symptoms and corrected aberrant spine morphology in hippocampal neurons of chronic unpredictable mild stress (CUMS) mice. Moreover, knockdown of miR-134-5p triggered autophagy in dendrites, improved mitochondrial impairment, and induced the generation of autophagosomes in the hippocampus of CUMS mice. We further found that AMP-activated protein kinase (AMPK), which mediates the impairment of defective mitochondria via mitophagy, can bind directly to miR-134-5p and is negatively regulated by this miRNA. This study demonstrates that miR-134-5p exerts an enormous effect on dendritic deficits by promoting AMPK-mediated mitophagy and provides a potential new target for antidepressant drug research and development.
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Affiliation(s)
- Guoli Wang
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China; Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China
| | - Ying Liu
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China
| | - Xuejie Zhu
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China
| | - Kehao Lin
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China
| | - Mingkai Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China
| | - Zhenke Wu
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China
| | - Ronghua Zhang
- School of Pharmacy, Jinan University, Guangzhou, Guangdong, PR China
| | - Qiusheng Zheng
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China; Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China.
| | - Defang Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China; Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China.
| | - Tianyue An
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China; Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, Shandong, PR China.
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7
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Simão AY, Antunes M, Cabral E, Oliveira P, Rosendo LM, Brinca AT, Alves E, Marques H, Rosado T, Passarinha LA, Andraus M, Barroso M, Gallardo E. An Update on the Implications of New Psychoactive Substances in Public Health. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:4869. [PMID: 35457736 PMCID: PMC9028227 DOI: 10.3390/ijerph19084869] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/10/2022] [Accepted: 04/11/2022] [Indexed: 02/04/2023]
Abstract
The emergence of new psychoactive substances has earned a great deal of attention, and several reports of acute poisoning and deaths have been issued involving, for instance, synthetic opiates. In recent years, there have been profound alterations in the legislation concerning consumption, marketing, and synthesis of these compounds; rapid alert systems have also been subject to changes, and new substances and new markets, mainly through the internet, have appeared. Their effects and how they originate in consumers are still mostly unknown, primarily in what concerns chronic toxicity. This review intends to provide a detailed description of these substances from the point of view of consumption, toxicokinetics, and health consequences, including case reports on intoxications in order to help researchers and public health agents working daily in this area.
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Affiliation(s)
- Ana Y. Simão
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, 6200-284 Covilha, Portugal
| | - Mónica Antunes
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
- Serviço de Química e Toxicologia Forenses, Instituto Nacional de Medicina Legal e Ciências Forenses, Delegação do Sul, 1150-219 Lisboa, Portugal
| | - Emanuel Cabral
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
| | - Patrik Oliveira
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
| | - Luana M. Rosendo
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
| | - Ana Teresa Brinca
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
| | - Estefânia Alves
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
| | - Hernâni Marques
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, 6200-284 Covilha, Portugal
| | - Tiago Rosado
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, 6200-284 Covilha, Portugal
| | - Luís A. Passarinha
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
- UCIBIO—Applied Molecular Biosciences Unit, Departamento de Química, NOVA School of Science and Technology, Universidade NOVA, 2829-516 Caparica, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA, 2819-516 Caparica, Portugal
| | | | - Mário Barroso
- Serviço de Química e Toxicologia Forenses, Instituto Nacional de Medicina Legal e Ciências Forenses, Delegação do Sul, 1150-219 Lisboa, Portugal
| | - Eugenia Gallardo
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilha, Portugal; (A.Y.S.); (M.A.); (E.C.); (P.O.); (L.M.R.); (A.T.B.); (E.A.); (H.M.); (T.R.)
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, 6200-284 Covilha, Portugal
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Marti M, Talani G, Miliano C, Bilel S, Biggio F, Bratzu J, Diana M, De Luca MA, Fattore L. New insights into methoxetamine mechanisms of action: Focus on serotonergic 5-HT 2 receptors in pharmacological and behavioral effects in the rat. Exp Neurol 2021; 345:113836. [PMID: 34384790 DOI: 10.1016/j.expneurol.2021.113836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 07/14/2021] [Accepted: 08/05/2021] [Indexed: 01/25/2023]
Abstract
Methoxetamine (MXE) is a dissociative substance of the arylcyclohexylamine class that has been present on the designer drug market as a ketamine-substitute since 2010. We have previously shown that MXE (i) possesses ketamine-like discriminative and positive rewarding effects in rats, (ii) affects brain processing involved in cognition and emotional responses, (iii) causes long-lasting behavioral abnormalities and neurotoxicity in rats and (iv) induces neurological, sensorimotor and cardiorespiratory alterations in mice. To shed light on the mechanisms through which MXE exerts its effects, we conducted a multidisciplinary study to evaluate the various neurotransmitter systems presumably involved in its actions on the brain. In vivo microdialysis study first showed that a single administration of MXE (0.25 and 0.5 mg/kg, i.v.) is able to significantly alter serotonin levels in the rat medial prefrontal cortex (mPFC) and nucleus accumbens. Then, we observed that blockade of the serotonin 5-HT2 receptors through two selective antagonists, ketanserin (0.1 mg/kg, i.p.) and MDL 100907 (0.03 mg/kg, i.p.), at doses not affecting animals behavior per se, attenuated the facilitatory motor effect and the inhibition on visual sensory responses induced by MXE (3 mg/kg, i.p.) and ketamine (3 mg/kg, i.p.), and prevented MXE-induced reduction of the prepulse inhibition in rats, pointing to the 5-HT2 receptors as a key target for the recently described MXE-induced sensorimotor effects. Finally, in-vitro electrophysiological studies revealed that the GABAergic and glutamatergic systems are also likely involved in the mechanisms through which MXE exerts its central effects since MXE inhibits, in a concentration-dependent manner, NMDA-mediated field postsynaptic potentials and GABA-mediated spontaneous currents. Conversely, MXE failed to alter both the AMPA component of field potentials and presynaptic glutamate release, and seems not to interfere with the endocannabinoid-mediated effects on mPFC GABAergic synapses. Altogether, our results support the notion of MXE as a NMDA receptor antagonist and shed further lights into the central mechanisms of action of this ketamine-substitute by pointing to serotonin 5-HT2 receptors as crucial players in the expression of its sensorimotor altering effects and to the NMDA and GABA receptors as potential further important targets of action.
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Affiliation(s)
- Matteo Marti
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy; Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Italy
| | - Giuseppe Talani
- CNR Institute of Neuroscience-Cagliari, National Research Council, Italy
| | - Cristina Miliano
- Department of Biomedical Sciences, University of Cagliari, Italy
| | - Sabrine Bilel
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Francesca Biggio
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Jessica Bratzu
- CNR Institute of Neuroscience-Cagliari, National Research Council, Italy
| | - Marco Diana
- Department of Chemistry and Pharmacy, University of Sassari, Italy
| | | | - Liana Fattore
- CNR Institute of Neuroscience-Cagliari, National Research Council, Italy.
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