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Shaw HE, Patel DR, Gannon BM, Fitzgerald LR, Carbonaro TM, Johnson CR, Fantegrossi WE. Phencyclidine-Like Abuse Liability and Psychosis-Like Neurocognitive Effects of Novel Arylcyclohexylamine Drugs of Abuse in Rodents. J Pharmacol Exp Ther 2024; 390:14-28. [PMID: 38272671 PMCID: PMC11192579 DOI: 10.1124/jpet.123.001942] [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: 09/28/2023] [Revised: 11/28/2023] [Accepted: 01/02/2024] [Indexed: 01/27/2024] Open
Abstract
Abuse of novel arylcyclohexylamines (ACX) poses risks for toxicities, including adverse neurocognitive effects. In vivo effects of ring-substituted analogs of phencyclidine (PCP), eticyclidine (PCE), and ketamine are understudied. Adult male National Institutes of Health Swiss mice were used to assess locomotor effects of PCP and its 3-OH, 3-MeO, 3-Cl, and 4-MeO analogs, PCE and its 3-OH and 3-MeO analogs, and ketamine and its deschloro and 2F-deschloro analogs, in comparison with those of methamphetamine (METH), 3,4-methylenedioxymethamphetamine (MDMA), and two benzofuran analogs of MDMA. PCP-like interoceptive effects for all of these ACXs were determined using a food-reinforced drug discrimination procedure in adult male Sprague Dawley rats. A novel operant assay of rule-governed behavior incorporating aspects of attentional set-shifting was used to profile psychosis-like neurocognitive effects of PCP and 3-Cl-PCP in rats, in comparison with cocaine and morphine. PCP-like ACXs were more effective locomotor stimulants than the amphetamines, PCE-like ACXs were as effective as the amphetamines, and ketamine-like ACXs were less effective than the amphetamines. Addition of -Cl, -OH, or -OMe at the 3-position on the aromatic ring did not impact locomotor effectiveness, but addition of -OMe at the 4-position reduced locomotor effectiveness. Lethal effects were induced by drugs with -OH at the 3-position or -OMe at the 3- or 4-position. All novel ACXs substituted at least partially for PCP, and PCP and 3-Cl-PCP elicited dose-dependent psychosis-like neurocognitive deficits in the rule-governed behavior task not observed with cocaine or morphine. Novel ACXs exhibit substantial abuse liability and toxicities not necessarily observed with their parent drugs. SIGNIFICANCE STATEMENT: Novel arylcyclohexylamine analogs of PCP, PCE, and ketamine are appearing on the illicit market, and abuse of these drugs poses risks for toxicities, including adverse neurocognitive effects. These studies demonstrate that the novel ACXs exhibit PCP-like abuse liability in the drug discrimination assay, elicit varied locomotor stimulant and lethal effects in mice, and induce psychosis-like neurocognitive effects in rats.
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Affiliation(s)
- Hannah E Shaw
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
| | - Dylan R Patel
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
| | - Brenda M Gannon
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
| | - Lauren R Fitzgerald
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
| | - Theresa M Carbonaro
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
| | - Chad R Johnson
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
| | - William E Fantegrossi
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas (H.E.S., D.R.P., B.M.G., L.R.F., W.E.F.); Drug Enforcement Administration, United States Department of Justice, Washington, DC (T.M.C.); and Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland (C.R.J.)
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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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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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Miao HC, Liu M, Wu F, Li HB. Expression changes of c-Fos and D1R/p-ERK1/2 signal pathways in nucleus accumbens of rats after ketamine abuse. Biochem Biophys Res Commun 2022; 629:183-188. [PMID: 36152451 DOI: 10.1016/j.bbrc.2022.08.091] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/05/2022] [Accepted: 08/30/2022] [Indexed: 11/19/2022]
Abstract
Ketamine is a commonly used dissociative anesthetic in clinical applications. However, the abuse potential has posted limits to its use and the mechanism remains to be studied. We aimed to investigate the changes of dopamine D1 receptors (D1R), phosphorylation of extracellular-regulated protein kinase 1/2 (p-ERK1/2), and c-Fos expression in the nucleus accumbens (NAc) of ketamine abuse rats. Ketamine induced severe anxiety in rats, as shown by an open field test. Nissl staining demonstrated clearly different morphologies between neurons of ketamine abuse rats and normal rats. The molecular expression changes were examined using immunohistochemistry assay and western blotting. D1R, p-ERK1/2, and c-Fos were significantly highly-expressed in NAc during ketamine exposure and were decreased by D1R antagonist SCH23390 and MAPK kinases inhibitor U0126. Taken together, the results suggest that ketamine abuse may induce the overexpression of c-Fos in NAc by up-regulating the expression of D1R and p-ERK1/2.
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Affiliation(s)
- Hua-Chun Miao
- Department of Human Anatomy, School of Basic Medical Sciences, Wannan Medical College, 22 West Wenchang Road, Wuhu, 241002, China
| | - Min Liu
- Department of Human Anatomy, School of Basic Medical Sciences, Wannan Medical College, 22 West Wenchang Road, Wuhu, 241002, China
| | - Feng Wu
- Department of Human Anatomy, School of Basic Medical Sciences, Wannan Medical College, 22 West Wenchang Road, Wuhu, 241002, China
| | - Huai-Bin Li
- Department of Human Anatomy, School of Basic Medical Sciences, Wannan Medical College, 22 West Wenchang Road, Wuhu, 241002, China.
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Custodio RJP, Kim M, Sayson LV, Ortiz DM, Buctot D, Lee HJ, Cheong JH, Kim HJ. Regulation of clock and clock-controlled genes during morphine reward and reinforcement: Involvement of the period 2 circadian clock. J Psychopharmacol 2022; 36:875-891. [PMID: 35486444 DOI: 10.1177/02698811221089040] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Morphine abuse is a devastating disorder that affects millions of people worldwide, and literature evidence indicates a relationship between opioid abuse and the circadian clock. AIM We explored morphine reward and reinforcement using mouse models with Per2 gene modifications (knockout (KO); overexpression (OE)). METHODS Mice were exposed to various behavioral, electroencephalographic, pharmacological, and molecular tests to assess the effects of morphine and identify the underlying mechanisms with a focus on reward and reinforcement and the corresponding involvement of circadian and clock-controlled gene regulation. RESULTS Per2 deletion enhances morphine-induced analgesia, locomotor sensitization, conditioned place preference (CPP), and self-administration (SA) in mice, whereas its overexpression attenuated these effects. In addition, reduced withdrawal was observed in Per2 KO mice, whereas an augmented withdrawal response was observed in Per2 OE mice. Moreover, naloxone and SCH 23390 blocked morphine CPP in Per2 KO and wild-type (WT) mice. The rewarding (CPP) and reinforcing effects (SA) observed in morphine-conditioned and morphine self-administered Per2 KO and WT mice were accompanied by activated μ-opioid and dopamine D1 receptors and TH in the mesolimbic (VTA/NAcc) system. Furthermore, genetic modifications of Per2 in mice innately altered some clock genes in response to morphine. CONCLUSION These findings improve our understanding of the role of Per2 in morphine-induced psychoactive effects. Our data and those obtained in previous studies indicate that targeting Per2 may have applicability in the treatment of substance abuse.
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Affiliation(s)
- Raly James Perez Custodio
- School of Pharmacy, Jeonbuk National University, Jeonju-si, Republic of Korea.,Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul, Republic of Korea
| | - Mikyung Kim
- Department of Chemistry & Life Science, Sahmyook University, Seoul, Republic of Korea
| | - Leandro Val Sayson
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul, Republic of Korea
| | - Darlene Mae Ortiz
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul, Republic of Korea
| | - Danilo Buctot
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul, Republic of Korea
| | - Hyun Jun Lee
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul, Republic of Korea
| | - Jae Hoon Cheong
- School of Pharmacy, Jeonbuk National University, Jeonju-si, Republic of Korea
| | - Hee Jin Kim
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Seoul, Republic of Korea
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SCH 23390 inhibits the acquisition of nitrous oxide-induced conditioned place preference and the changes in ERK phosphorylation expression in nucleus accumbens of mice. Neurosci Lett 2022; 781:136674. [PMID: 35525502 DOI: 10.1016/j.neulet.2022.136674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 04/27/2022] [Accepted: 04/29/2022] [Indexed: 12/15/2022]
Abstract
Nitrous oxide (N2O) has a long history of abuse, but its abuse mechanism has not been clear yet. This research aimed at the possibility of mesolimbic dopaminergic system (MLDS) involved in the rewarding effect of N2O. In this work, the rewarding behavior of N2O in mice was evaluated using a typical gas-administered conditioned place preference (CPP) procedure. SCH 23390, a Dopamine D1 receptor (D1R) antagonist, and Haloperidol, a Dopamine D2 receptor (D2R) antagonist were administered during CPP to evaluate the role of dopamine receptors in the N2O-induced CPP. The accompanying changes in phosphorylation of extracellular signal-regulated kinase (ERK) in MLDS related brain regions, including the ventral tegmental area (VTA), caudate putamen (CPu), prefrontal cortex (PFC), and nucleus accumbens (NAc) were measured to assess the neural plasticity changes in the CPP mice by Western blot analysis. Results revealed that 60% N2O induced CPP in the gas-administered mice and promoted the ERK phosphorylation (p-ERK) in the NAc and CPu during the test session of the CPP test. Pretreatment of SCH 23390 (0.5mg/kg) inhibited the acquisition of N2O-induced CPP and the enhanced p-ERK in NAc.It suggested that Dopamine D1 receptor may play an important role in the acquisition of N2O-induced CPP and the accompanied ERK activation in the NAc, which provide insight into the molecular mechanism in the rewarding properties of nitrous oxide.
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