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Li Y, Chen Z, Guo J, Meng D, Pang X, Sun Z, Pu L, Yang S, Yang M, Peng Y. Enhanced brain-targeting and efficacy of cannabidiol via RVG-Exo/CBD nanodelivery system. Biochem Biophys Res Commun 2024; 725:150260. [PMID: 38878760 DOI: 10.1016/j.bbrc.2024.150260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/06/2024]
Abstract
This study introduces an innovative brain-targeted drug delivery system, RVG-Exo/CBD, utilizing rabies virus glycoprotein (RVG)-engineered exosomes for encapsulating cannabidiol (CBD). The novel delivery system was meticulously characterized, confirming the maintenance of exosomal integrity, size, and successful drug encapsulation with a high drug loading rate of 83.0 %. Evaluation of the RVG-Exo/CBD's brain-targeting capability demonstrated superior distribution and retention in brain tissue compared to unmodified exosomes, primarily validated through in vivo fluorescence imaging. The efficacy of this delivery system was assessed using a behavioral sensitization model in mice, where RVG-Exo/CBD notably suppressed methamphetamine-induced hyperactivity more effectively than CBD alone, indicating a reduction in effective dose and enhanced bioavailability. Overall, the RVG-Exo/CBD system emerges as a promising strategy for enhancing the therapeutic efficacy and safety of CBD, particularly for neurological applications, highlighting its potential for addressing the limitations associated with traditional CBD administration in clinical settings.
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Affiliation(s)
- Yingrui Li
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China
| | - Ze Chen
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China
| | - Jia Guo
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China
| | - Deshuang Meng
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China
| | - Xin Pang
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China; School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China
| | - Zepeng Sun
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China; School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China
| | - Li Pu
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China; School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China
| | - Shuiyue Yang
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China; School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China
| | - Min Yang
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China.
| | - Yinghua Peng
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, Jilin, 130112, China.
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Farrokhi AM, Moshrefi F, Eskandari K, Azizbeigi R, Haghparast A. Hippocampal D1-like dopamine receptor as a novel target for the effect of cannabidiol on extinction and reinstatement of methamphetamine-induced CPP. Prog Neuropsychopharmacol Biol Psychiatry 2024; 133:111025. [PMID: 38729234 DOI: 10.1016/j.pnpbp.2024.111025] [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: 01/16/2024] [Revised: 04/25/2024] [Accepted: 05/06/2024] [Indexed: 05/12/2024]
Abstract
Methamphetamine (METH) is a major health problem without effective pharmacological treatment. Cannabidiol (CBD), a component of the Cannabis sativa plant, is believed to have the potential to inhibit drug-related behavior. However, the neurobiological mechanisms responsible for the effects of CBD remain unclear. Several studies have proposed that the suppressing effects of CBD on drug-seeking behaviors could be through the modulation of the dopamine system. The hippocampus (HIP) D1-like dopamine receptor (D1R) is essential for forming and retrieving drug-associated memory. Therefore, the present study aimed to investigate the role of D1R in the hippocampal CA1 region on the effects of CBD on the extinction and reinstatement of METH-conditioned place preference (CPP). For this purpose, different groups of rats over a 10-day extinction period were administered different doses of intra-CA1 SCH23390 (0.25, 1, or 4 μg/0.5 μl, Saline) as a D1R antagonist before ICV injection of CBD (10 μg/5 μl, DMSO12%). In addition, a different set of animals received intra-CA1 SCH23390 (0.25, 1, or 4 μg/0.5 μl) before CBD injection (50 μg/5 μl) on the reinstatement day. The results revealed that the highest dose of SCH23390 (4 μg) significantly reduced the accelerating effects of CBD on the extinction of METH-CPP (P < 0.01). Furthermore, SCH23390 (1 and 4 μg) in the reinstatement phase notably reversed the preventive effects of CBD on the reinstatement of drug-seeking behavior (P < 0.05 and P < 0.001, respectively). In conclusion, the current study revealed that CBD made a shorter extinction period and suppressed METH reinstatement in part by interacting with D1-like dopamine receptors in the CA1 area of HIP.
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Affiliation(s)
- Amir Mohammad Farrokhi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Basic Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
| | - Fazel Moshrefi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Basic Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
| | - Kiarash Eskandari
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ronak Azizbeigi
- Department of Basic Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran.
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran; Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran.
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Mirmohammadi M, Eskandari K, Koruji M, Shabani R, Ahadi R, Haghparast A. Intra-Accumbal D1- But not D2-Like Dopamine Receptor Antagonism Reverses the Inhibitory Effects of Cannabidiol on Extinction and Reinstatement of Methamphetamine Seeking Behavior in Rats. Cannabis Cannabinoid Res 2024; 9:89-110. [PMID: 36048545 DOI: 10.1089/can.2022.0017] [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: 11/13/2022] Open
Abstract
Introduction: Methamphetamine (METH) is an addictive psychostimulant that facilitates dopamine transmission to the nucleus accumbens (NAc), resulting in alterations in the mesocorticolimbic brain regions. Cannabidiol (CBD) is considered the second most abundant component of cannabis and is believed to decrease the METH effects. Reversing psychostimulant-induced abnormalities in the mesolimbic dopamine system is the main mechanism for this effect. Various other mechanisms have been proposed: increasing endocannabinoid system activity and modulating gamma-aminobutyric acid (GABA) and glutamate neurons in NAc. However, the exact CBD action mechanisms in reducing drug addiction and relapse vulnerability remain unclear. Methods and Results: The present study aimed to investigate the effects of intracerebroventricular (ICV) administrating 5, 10, and 50 μg/5 μL CBD solutions on the extinction period and reinstatement phase of a METH-induced conditioned place preference. This research also aimed to examine the NAc D1-like dopamine receptor (D1R) and D2-like dopamine receptor (D2R) roles in the effects of CBD on these phases, as mentioned earlier, using SCH23390 and sulpiride microinjections as an antagonist of D1R and D2R. The obtained results showed that microinjection of CBD (10 and 50 μg/5 μL, ICV) suppressed the METH-induced reinstatement and significantly decreased mean extinction latency in treated groups compared to both vehicles and/or untreated control groups. In addition, the results demonstrated that administrating intra-accumbal SCH23390 (1 and 4 μg/0.5 μL saline) reversed the inhibitory effects of CBD on extinction and reinstatement phases while different doses of sulpiride (0.25, 1, and 4 μg/0.5 μL; dimethyl sulfoxide 12%) could not alter the CBD effects. Conclusions: In summary, this study showed that CBD made shorter extinction latencies and suppressed the METH reinstatement, in part, by interacting with D1R but not D2R in the NAc.
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Affiliation(s)
- Mahboobeh Mirmohammadi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Kiarash Eskandari
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Morteza Koruji
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ronak Shabani
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Ahadi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Yates JR. Quantifying conditioned place preference: a review of current analyses and a proposal for a novel approach. Front Behav Neurosci 2023; 17:1256764. [PMID: 37693282 PMCID: PMC10484009 DOI: 10.3389/fnbeh.2023.1256764] [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: 07/11/2023] [Accepted: 08/02/2023] [Indexed: 09/12/2023] Open
Abstract
Conditioned place preference (CPP) is used to measure the conditioned rewarding effects of a stimulus, including food, drugs, and social interaction. Because various analytic approaches can be used to quantify CPP, this can make direct comparisons across studies difficult. Common methods for analyzing CPP involve comparing the time spent in the CS+ compartment (e.g., compartment paired with drug) at posttest to the time spent in the CS+ compartment at pretest or to the CS- compartment (e.g., compartment paired with saline) at posttest. Researchers can analyze the time spent in the compartment(s), or they can calculate a difference score [(CS+post - CS+pre) or (CS+post - CS-post)] or a preference ratio (e.g., CS+post/(CS+post + CS-post)). While each analysis yields results that are, overall, highly correlated, there are situations in which different analyses can lead to discrepant interpretations. The current paper discusses some of the limitations associated with current analytic approaches and proposes a novel method for quantifying CPP, the adjusted CPP score, which can help resolve the limitations associated with current approaches. The adjusted CPP score is applied to both hypothetical and previously published data. Another major topic covered in this paper is methodologies for determining if individual subjects have met criteria for CPP. The paper concludes by highlighting ways in which researchers can increase transparency and replicability in CPP studies.
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Affiliation(s)
- Justin R. Yates
- Department of Psychological Science, Northern Kentucky University, Highland Heights, KY, United States
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Wang X, Sun S, Chen H, Yun B, Zhang Z, Wang X, Wu Y, Lv J, He Y, Li W, Chen L. Identification of key genes and therapeutic drugs for cocaine addiction using integrated bioinformatics analysis. Front Neurosci 2023; 17:1201897. [PMID: 37469839 PMCID: PMC10352680 DOI: 10.3389/fnins.2023.1201897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 06/05/2023] [Indexed: 07/21/2023] Open
Abstract
Introduction Cocaine is a highly addictive drug that is abused due to its excitatory effect on the central nervous system. It is critical to reveal the mechanisms of cocaine addiction and identify key genes that play an important role in addiction. Methods In this study, we proposed a centrality algorithm integration strategy to identify key genes in a protein-protein interaction (PPI) network constructed by deferential genes from cocaine addiction-related datasets. In order to investigate potential therapeutic drugs for cocaine addiction, a network of targeted relationships between nervous system drugs and key genes was established. Results Four key genes (JUN, FOS, EGR1, and IL6) were identified and well validated using CTD database correlation analysis, text mining, independent dataset analysis, and enrichment analysis methods, and they might serve as biomarkers of cocaine addiction. A total of seventeen drugs have been identified from the network of targeted relationships between nervous system drugs and key genes, of which five (disulfiram, cannabidiol, dextroamphetamine, diazepam, and melatonin) have been shown in the literature to play a role in the treatment of cocaine addiction. Discussion This study identified key genes and potential therapeutic drugs for cocaine addiction, which provided new ideas for the research of the mechanism of cocaine addiction.
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Vilca SJ, Margetts AV, Pollock TA, Tuesta LM. Transcriptional and epigenetic regulation of microglia in substance use disorders. Mol Cell Neurosci 2023; 125:103838. [PMID: 36893849 PMCID: PMC10247513 DOI: 10.1016/j.mcn.2023.103838] [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: 11/16/2022] [Revised: 02/17/2023] [Accepted: 03/02/2023] [Indexed: 03/09/2023] Open
Abstract
Microglia are widely known for their role in immune surveillance and for their ability to refine neurocircuitry during development, but a growing body of evidence suggests that microglia may also play a complementary role to neurons in regulating the behavioral aspects of substance use disorders. While many of these efforts have focused on changes in microglial gene expression associated with drug-taking, epigenetic regulation of these changes has yet to be fully understood. This review provides recent evidence supporting the role of microglia in various aspects of substance use disorder, with particular focus on changes to the microglial transcriptome and the potential epigenetic mechanisms driving these changes. Further, this review discusses the latest technical advances in low-input chromatin profiling and highlights the current challenges for studying these novel molecular mechanisms in microglia.
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Affiliation(s)
- Samara J Vilca
- Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - Alexander V Margetts
- Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - Tate A Pollock
- Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - Luis M Tuesta
- Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America.
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7
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Mohammadi M, Eskandari K, Azizbeigi R, Haghparast A. The inhibitory effect of cannabidiol on the rewarding properties of methamphetamine in part mediates by interacting with the hippocampal D1-like dopamine receptors. Prog Neuropsychopharmacol Biol Psychiatry 2023; 126:110778. [PMID: 37100273 DOI: 10.1016/j.pnpbp.2023.110778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/15/2023] [Accepted: 04/21/2023] [Indexed: 04/28/2023]
Abstract
Cannabidiol (CBD) is a potential treatment to decrease the rewarding properties of psychostimulants. However, the exact mechanism and distinct neuroanatomical areas responsible for the CBD's effects remain unclear. Indicatively, the D1-like dopamine receptors (D1R) in the hippocampus (HIP) are essential for expressing and acquiring drug-associated conditioned place preference (CPP). Therefore, given that involving D1Rs in reward-related behaviors and the encouraging results of CBD in attenuating the psychostimulant's rewarding effects, the present study sought to investigate the role of D1Rs of the hippocampal dentate gyrus (DG) in the inhibitory effects of CBD on the acquisition and expression of METH-induced CPP. To this end, over a 5-day conditioning period by METH (1 mg/kg; sc), different groups of rats were given intra-DG SCH23390 (0.25, 1, or 4 μg/0.5 μl, saline) as a D1Rs antagonist before ICV administration of CBD (10 μg/5 μl, DMSO12%). In addition, a different set of animals, after the conditioning period, received a single dose of SCH23390 (0.25, 1, or 4 μg/0.5 μl) before CBD (50 μg/5 μl) administration on the expression day. The results showed that SCH23390 (1 and 4 μg) significantly reduced the suppressive effects of CBD on the acquisition of METH place preference (P < 0.05 and P < 0.001, respectively). Furthermore, the highest dose of SCH23390 (4 μg) in the expression phase remarkably abolished the preventive effects of CBD on the expression of METH-seeking behavior (P < 0.001). In conclusion, the current study revealed that CBD's inhibitory effect on rewarding properties of METH partially acts through D1Rs in the DG area of the HIP.
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Affiliation(s)
- Mahsa Mohammadi
- Department of Physiology, Faculty of Veterinary Science, Islamic Azad University, Sanandaj Branch, Sanandaj, Iran
| | - Kiarash Eskandari
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ronak Azizbeigi
- Department of Physiology, Faculty of Veterinary Science, Islamic Azad University, Sanandaj Branch, Sanandaj, Iran.
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran; Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran.
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8
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Modaberi S, Amirteymori H, Mesgar S, Eskandari K, Haghparast A. The blockade of orexin receptors within the dentate gyrus of the hippocampus attenuated methamphetamine-induced reward learning during conditioning place preference. Pharmacol Biochem Behav 2023:173559. [PMID: 37100179 DOI: 10.1016/j.pbb.2023.173559] [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: 12/06/2022] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 04/28/2023]
Abstract
Orexins and orexinergic receptors have been shown to play a critical role in reward processing and drug addiction. Previous studies showed that the orexinergic system in the dentate gyrus (DG) region of the hippocampus affects the conditioning (acquisition) and post-conditioning (expression) phases of morphine-induced conditioned place preference (CPP). The action of each orexin receptor within the DG during conditioning and expression phases for methamphetamine (METH)-induced CPP remains unclear. The present study aimed to determine the role of orexin-1 and -2 receptors in the hippocampal DG in METH CPP acquisition and expression. During the 5-day conditioning phase, rats received an intra-DG microinjection of SB334867, a selective orexin-1 receptor (OX1R) antagonist, or TCS OX2-29, a selective orexin-2 receptor (OX2R) antagonist, before injection of METH (1 mg/kg; sc). In different sets of animals on the expression day, rats received each antagonist before the CPP test. The results showed that SB334867 (3, 10, and 30 nmol) and TCS OX2-29 (3, 10, and 30 nmol) significantly decreased the acquisition of METH CPP during the conditioning phase. Furthermore, administration of SB 334867 (10 and 30 nmol) and TCS OX2-29 (3 and 10 nmol) on the post-conditioning day significantly reduced METH-induced CPP expression. The results also indicated that orexin receptors play a more critical role in the conditioning phase than in the expression phase. In summary, the orexin receptors in the DG play a crucial role in drug learning and memory and are essential for METH reward acquisition and expression.
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Affiliation(s)
- Shaghayegh Modaberi
- Department of Sport Sciences, Faculty of Social Sciences, Imam Khomeini International University, Qazvin, Iran
| | - Haleh Amirteymori
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somaye Mesgar
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kiarash Eskandari
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Abbas Haghparast
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran; Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran.
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9
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Eskandari K, Fattahi M, Riahi E, Khosrowabadi R, Haghparast A. A wide range of Deep Brain Stimulation of the nucleus accumbens shell time independently reduces the extinction period and prevents the reinstatement of methamphetamine-seeking behavior in rats. Life Sci 2023; 319:121503. [PMID: 36804308 DOI: 10.1016/j.lfs.2023.121503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/11/2023] [Accepted: 02/12/2023] [Indexed: 02/18/2023]
Abstract
Methamphetamine (METH) addiction is a significant public health issue, and standard medical therapies are often not curative. Deep Brain Stimulation (DBS) has recently shown the potential to cure addiction by modulating neural activity in specific brain circuits. Recent studies have revealed that the nucleus accumbens shell (NAcSh) could serve as a promising target in treating addiction. Therefore, the present study aimed to investigate the therapeutic effects of NAcSh high- or low-frequency stimulation (HFS or LFS) in the different time points of application on the extinction and reinstatement of the METH-conditioned place preference (CPP). LFS or HFS (10 or 130 Hz, 150-200 μA, 100 μs) was delivered to the NAcSh for 30 min non-simultaneous (in a distinct non-drug environment) or simultaneous (in a drug-paired context) of the drug-free extinction sessions. The obtained results showed that both non-simultaneous and simultaneous treatments by HFS and LFS notably reduced the extinction period of METH-induced CPP. Furthermore, the data indicated that both non-synchronous and synchronous HFS prevented METH-primed reinstatement, while only the LFS synchronized group could block the reinstatement of METH-seeking behavior. The results also demonstrated that HFS was more effective than LFS in attenuating METH-primed reinstatement, and applying HFS synchronous was significantly more effective than HFS non-synchronous in reducing the relapse of drug-seeking. In conclusion, the current study's results suggest that DBS of the NAcSh in a wide range of frequencies (LFS and HFS) could affect addiction-related behaviors. However, it should be considered that the frequency and timing of DBS administration are among the critical determining factors.
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Affiliation(s)
- Kiarash Eskandari
- School of Medicine, Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mojdeh Fattahi
- School of Medicine, Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Esmail Riahi
- Department of Physiology, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Reza Khosrowabadi
- Institute for Cognitive and Brain Sciences, Shahid Beheshti University, Tehran, Iran
| | - Abbas Haghparast
- School of Medicine, Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran; Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran.
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10
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Karimi-Haghighi S, Mahmoudi M, Sayehmiri F, Mozafari R, Haghparast A. Endocannabinoid system as a therapeutic target for psychostimulants relapse: A systematic review of preclinical studies. Eur J Pharmacol 2023; 951:175669. [PMID: 36965745 DOI: 10.1016/j.ejphar.2023.175669] [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: 10/14/2022] [Revised: 03/04/2023] [Accepted: 03/20/2023] [Indexed: 03/27/2023]
Abstract
The mechanism behind the reinstament of psychostimulant, as a major obstacle in addiction treatment is not fully understood. Controversial data are available in the literature concerning the role of the endocannabinoid (eCB) system in regulating the relapse to psychostimulant addiction in preclinical studies. The current systematic review aims to evaluate eCB modulators' effect in the reinstatement of commonly abused psychostimulants, including cocaine, amphetamine, methamphetamine, and 3,4-methylenedioxymethamphetamine. By searching the PubMed, Web of Science, and Scopus databases, studies were selected. Then the studies, quality was evaluated by the SYRCLE risk of bias tool. The results have still been limited to preclinical studies. Thirty-nine articles that employed self-administration and CPP as the most prevalent animal models of addiction were selected. This data indicates that cannabinoid receptor 1 antagonists and some cannabinoid receptor 2 agonists could suppress the reinstatement of cocaine and methamphetamine addiction in a dose-dependent manner. However, only AM251 was efficient to block the reinstatement of 3,4-methylenedioxymethamphetamine. In conclusion, cannabinoid receptor 1 antagonists and some cannabinoid receptor 2 agonists may have curative potential in the relapse of psychostimulant abuse. However, time, dose, and route of administration are crucial factors in their inhibitory impacts.
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Affiliation(s)
- Saeideh Karimi-Haghighi
- Community Based Psychiatric Care Research Center, School of Nursing and Midwifery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maedeh Mahmoudi
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Sayehmiri
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Roghayeh Mozafari
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran; Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran.
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11
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Amirteymori H, Karimi-Haghighi S, Mirmohammadi M, Majidinezhad M, Khosrowabadi E, Haghparast A. Hypocretin/orexin system in the nucleus accumbens as a promising player in the extinction and reinstatement of methamphetamine-induced CPP. Prog Neuropsychopharmacol Biol Psychiatry 2023; 120:110616. [PMID: 35988849 DOI: 10.1016/j.pnpbp.2022.110616] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 08/13/2022] [Accepted: 08/14/2022] [Indexed: 10/15/2022]
Abstract
One of the main obstacles in treating psychostimulant addiction is relapse even after long-term abstinence. The nucleus accumbens (NAc) is located in the basal forebrain, responsible for regulating several behaviors, specifically reward-related effect of psychostimulants. In the current study, an unbiased place conditioning paradigm was performed to inquire the role of the hypocretin/orexin system in the NAc in the extinction and reinstatement of methamphetamine (Meth)-induced conditioned place preference (CPP). Similar to previous investigations, rats were conditioned with Meth (1 mg/kg; sc) for five consecutive days to elicit CPP. The rats underwent Meth conditioning protocol received SB334867 or TCS OX2 29, an orexin receptor 1 (OXr1) antagonist or orexin receptor 2 (OXr2) antagonist (0, 3, 10, and 30 nmol/0.5 μL DMSO %12) in the NAc during the extinction period to elucidate the role of OXrs on the extinction of Meth-induced CPP. Meanwhile, extinguished rats received SB334867 or TCS OX2 29 (0, 1, 3, 10, and 30 nmol/0.5 μL DMSO %12) in the NAc prior to an effective priming dose of Meth to evaluate the impact of OXr antagonists on the reinstatement of Meth-induced CPP. The current data pointed out intra-NAc microinjection of SB334867 or TCS OX2 29 blocked both extinction and reinstatement of Meth-induced CPP. In addition, the OXr1 antagonist was more potent than the OXr2 antagonist to suppress both extinction and reinstatement phases of Meth-induced CPP. Based on the current data, the OX system in the NAc is extensively implicated in the reward properties of Meth; therefore, modulation of this system has therapeutic potential in treating psychostimulant use disorders.
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Affiliation(s)
- Haleh Amirteymori
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeideh Karimi-Haghighi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahboobeh Mirmohammadi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Majidinezhad
- Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elahe Khosrowabadi
- Neurobiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran.
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12
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Nazari-Serenjeh F, Azizbeigi R, Rashvand M, Mesgar S, Amirteymori H, Haghparast A. Distinct roles for orexin-1 and orexin-2 receptors in the dentate gyrus of the hippocampus in the methamphetamine-seeking behavior in the rats. Life Sci 2023; 312:121262. [PMID: 36470538 DOI: 10.1016/j.lfs.2022.121262] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 12/11/2022]
Abstract
Because of the relapsing properties of psychostimulants such as methamphetamine (Meth), there is no established pharmacotherapy for Meth addiction. The orexinergic system is a promising target for treating psychostimulant use disorders and relapse. However, to the best of our knowledge, no investigation regarding the role of orexin receptors in the dentate gyrus (DG) region of the hippocampus has been conducted in the extinction and reinstatement of Meth-seeking behavior. Two stainless-steel guide cannulae were bilaterally implanted into the DG of the rats' brains. The unbiased conditioned place preference (CPP) procedure was conducted to induce Meth conditioning. Following the five days Meth injections (1 mg/kg; sc), animals received intra-DG microinjection of SB334867 or TCS OX2 29, as orexin 1 (OX1) or orexin 2 (OX2) receptor antagonists, respectively (without Meth administration) during extinction phase to elucidate the role of orexin receptors in the latency of the extinction period in the Meth-conditioned rats. To evaluate the role of orexin receptors in the DG region in the reinstatement of Meth-seeking behavior, the extinguished rats received SB334867 or TCS OX2 29 before injecting a priming dose of Meth (0.25 mg/kg; sc). The results indicated two distinct roles for the OX1 and OX2 receptors in the DG region. TCS OX2 29 attenuated the extinction latency, and SB334867 considerably reduced the reinstatement of Meth-seeking behavior in this region. Therefore, the DG region's orexinergic system might be a potential therapeutic target for psychostimulant use disorders.
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Affiliation(s)
| | - Ronak Azizbeigi
- Department of Basic Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
| | - Mina Rashvand
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somaye Mesgar
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Haleh Amirteymori
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran.
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13
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Alizamini MM, Li Y, Zhang JJ, Liang J, Haghparast A. Endocannabinoids and addiction memory: Relevance to methamphetamine/morphine abuse. World J Biol Psychiatry 2022; 23:743-763. [PMID: 35137652 DOI: 10.1080/15622975.2022.2039408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
AIM This review aims to summarise the role of endocannabinoid system (ECS), incluing cannabinoid receptors and their endogenous lipid ligands in the modulation of methamphetamine (METH)/morphine-induced memory impairments. METHODS Here, we utilized the results from researches which have investigated regulatory role of ECS (including cannabinoid receptor agonists and antagonists) on METH/morphine-induced memory impairments. RESULTS Among the neurotransmitters, glutamate and dopamine seem to play a critical role in association with the ECS to heal the drug-induced memory damages. Also, the amygdala, hippocampus, and prefrontal cortex are three important brain regions that participate in both drug addiction and memory task processes, and endocannabinoid neurotransmission have been investigated. CONCLUSION ECS can be regarded as a treatment for the side effects of METH and morphine, and their memory-impairing effects.
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Affiliation(s)
- Mirmohammadali Mirramezani Alizamini
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yonghui Li
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Jian-Jun Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Jing Liang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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14
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Liu L, Li J, Wang C, Xu Y, Leung CK, Yang G, Lin S, Zhang S, Tan Y, Zhang H, Wang H, Liu J, Li M, Zeng X. Cannabidiol attenuates methamphetamine-induced conditioned place preference in male rats and viability in PC12 cells through the Sigma1R/AKT/GSK3β/CREB signaling pathway. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2022; 48:548-561. [PMID: 35881880 DOI: 10.1080/00952990.2022.2073450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Background: Methamphetamine use is associated with several negative consequences, including neurotoxicity and greater probability of exhibiting a substance use disorder. Sigma1 receptor is involved in the neurobiological basis of several drug use disorders. Cannabidiol has received attention in the treatment of drug use disorders and neurotoxicity. Objectives: To investigate the effects of cannabidiol on methamphetamine-induced conditioned place preference (CPP) and the viability of PC12 cells. Methods: Adult male rats (n = 70) underwent methamphetamine (2 mg/kg, IP) induced CPP, and were administered cannabidiol (10, 20, 40, or 80 mg/kg, IP) during the methamphetamine withdrawal period for five consecutive days. Methamphetamine (0.5 mg/kg) was then injected to reactivate CPP. Four brain regions (ventral tegmental area, nucleus accumbens, prefrontal cortex, and hippocampus) were extracted after the last test. PC12 cells were treated with cannabidiol, Sigma1R-siRNA, or BD1047 before methamphetamine exposure. Results: Administration of 20, 40, or 80 mg/kg cannabidiol facilitated CPP extinction (80 mg/kg, p < .001) and prevented CPP development (80 mg/kg, p < .0001). This was associated with changes in the expression of Sigma1R (ventral tegmental area, 80 mg/kg, p < .0001) in the four brain regions. Cannabidiol protected the PC12 cell's viability (10 μM, p = .0008) and inhibited the methamphetamine-induced activation of the AKT/GSK3β/CREB signaling pathway by mediating Sigma1R (10 μM, p < .0001). Conclusions: Cannabidiol seems to inhibit the rewarding effects of methamphetamine and the effects of this drug on cell viability. Sigma1R should be given further consideration as a potential target for cannabidiol.
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Affiliation(s)
- Liu Liu
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Juan Li
- School of Basic Medicine, Kunming Medical University, Kunming, China
| | - Chan Wang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Yue Xu
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Chi-Kwan Leung
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China.,CUHK-SDU Joint Laboratory of Reproductive Genetics, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Genmeng Yang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Shucheng Lin
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Shuwei Zhang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Yi Tan
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Huijie Zhang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Haowei Wang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Jianxing Liu
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Ming Li
- School of Rehabilitation Medicine, Kunming Medical University, Kunming, China
| | - Xiaofeng Zeng
- School of Forensic Medicine, Kunming Medical University, Kunming, China
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15
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Hernández-Hernández E, García-Fuster MJ. Dose-Dependent Antidepressant-Like Effects of Cannabidiol in Aged Rats. Front Pharmacol 2022; 13:891842. [PMID: 35847003 PMCID: PMC9283859 DOI: 10.3389/fphar.2022.891842] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/20/2022] [Indexed: 11/13/2022] Open
Abstract
Aging predisposes to late-life depression and since antidepressants are known to change their efficacy with age, novel treatment options are needed for our increased aged population. In this context, the goal of the present study was to evaluate the potential antidepressant-like effect of cannabidiol in aged rats. For this purpose, 19–21-month-old Sprague–Dawley rats were treated for 7 days with cannabidiol (dose range: 3–30 mg/kg) and scored under the stress of the forced-swim test. Hippocampal cannabinoid receptors and cell proliferation were evaluated as potential molecular markers underlying cannabidiol’s actions. The main results of the present study demonstrated that cannabidiol exerted a dose-dependent antidepressant-like effect in aged rats (U-shaped, effective at the intermediate dose of 10 mg/kg as compared to the other doses tested), without affecting body weight. None of the molecular markers analyzed in the hippocampus were altered by cannabidiol’s treatment. Overall, this study demonstrated a dose-dependent antidepressant-like response for cannabidiol at this age-window (aged rats up to 21 months old) and in line with other studies suggesting a beneficial role for this drug in age-related behavioral deficits.
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Affiliation(s)
- Elena Hernández-Hernández
- IUNICS, University of the Balearic Islands, Palma, Spain
- Health Research Institute of Balearic Islands (IdISBa), Palma, Spain
| | - M. Julia García-Fuster
- IUNICS, University of the Balearic Islands, Palma, Spain
- Health Research Institute of Balearic Islands (IdISBa), Palma, Spain
- *Correspondence: M. Julia García-Fuster,
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16
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Majidinezhad M, Amirteymouri H, Karimi-haghighi S, Kourosh-Arami M, Haghparast A. Orexin system in the ventral tegmental area is implicated in the rewarding properties of methamphetamine. Eur J Pharmacol 2022; 930:175170. [DOI: 10.1016/j.ejphar.2022.175170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/10/2022] [Accepted: 07/21/2022] [Indexed: 11/03/2022]
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17
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Shen B, Zhang D, Zeng X, Guan L, Yang G, Liu L, Huang J, Li Y, Hong S, Li L. Cannabidiol inhibits methamphetamine-induced dopamine release via modulation of the DRD1-MeCP2-BDNF-TrkB signaling pathway. Psychopharmacology (Berl) 2022; 239:1521-1537. [PMID: 34997862 DOI: 10.1007/s00213-021-06051-y] [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] [Received: 05/06/2021] [Accepted: 12/20/2021] [Indexed: 12/17/2022]
Abstract
RATIONALE Adaptive alteration of dopamine (DA) system in mesocorticolimbic circuits is an extremely intricate and dynamic process, which contributes to maintaining methamphetamine (METH)-related disorders. There are no approved pharmacotherapies for METH-related disorders. Cannabidiol (CBD), a major non-psychoactive constituent of cannabis, has received attention for its therapeutic potential in treating METH-related disorders. However, the major research obstacles of CBD are the yet to be clarified mechanisms behind its therapeutic potential. Recent evidence showed that DA system may be active target of CBD. CBD could be a promising dopaminergic medication for METH-related disorders. OBJECTIVES We investigated the role of the DA receptor D1 (DRD1)-methyl-CpG-binding protein 2 (MeCP2)-brain-derived neurotrophic factor (BDNF)-tyrosine receptor kinase B (TrkB) signaling pathway in DA release induced by METH. Investigating the intervention effects of CBD on the DRD1-MeCP2-BDNF-TrkB signaling pathway could help clarify the underlying mechanisms and therapeutic potential of CBD in METH-related disorders. RESULTS METH (400 μM) significantly increased DA release from primary neurons in vitro, which was blocked by CBD (1 μM) pretreatment. METH (400 μM) significantly increased the expression levels of DRD1, BDNF, and TrkB, but decreased the expression of MeCP2 in the neurons, whereas CBD (1 μM) pretreatment notably inhibited the protein changes induced by METH. In addition, DRD1 antagonist SCH23390 (10 μM) inhibited the DA release and protein change induced by METH in vitro. However, DRD1 agonist SKF81297 (10 μM) induced DA release and protein change in vitro, which was also blocked by CBD (1 μM) pretreatment. METH (2 mg/kg) significantly increased the DA level in the nucleus accumbens (NAc) of rats with activation of the DRD1-MeCP2-BDNF-TrkB signaling pathway, but these changes were blocked by CBD (40 or 80 mg/kg) pretreatment. CONCLUSIONS This study indicates that METH induces DA release via the DRD1-MeCP2-BDNF-TrkB signaling pathway. Furthermore, CBD significantly inhibits DA release induced by METH through modulation of this pathway.
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Affiliation(s)
- Baoyu Shen
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Dongxian Zhang
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Xiaofeng Zeng
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Lina Guan
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Genmeng Yang
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Liu Liu
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jian Huang
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yuanyuan Li
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Shijun Hong
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China.
| | - Lihua Li
- School of Forensic Medicine, Key Laboratory of Drug Addiction Medicine of National Health Commission (NHC), Kunming Medical University, Kunming, 650500, Yunnan, China.
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18
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Sharifi A, Karimi-Haghighi S, Shabani R, Asgari HR, Ahadi R, Haghparast A. Cannabidiol impairs the rewarding effects of methamphetamine: Involvement of dopaminergic receptors in the nucleus accumbens. Prog Neuropsychopharmacol Biol Psychiatry 2022; 113:110458. [PMID: 34662693 DOI: 10.1016/j.pnpbp.2021.110458] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 08/16/2021] [Accepted: 10/12/2021] [Indexed: 12/21/2022]
Abstract
Cannabidiol, as component of cannabis, can potentially hinder the rewarding impact of drug abuse; however, its mechanism is ambiguous. Moreover, the nucleus accumbens (NAc), as a key area in the reward circuit, extensively receives dopaminergic projections from the ventral tegmentum area. To elucidate the role of accumbal D1 and D2 dopamine receptor families in Cannabidiol's inhibitory impact on the acquisition and expression phases of methamphetamine (MET), the conditioned place preference (CPP) procedure as a common method to assay reward characteristics of drugs was carried out. Six groups of rats were treated by various doses of SCH23390 or Sulpiride (0.25, 1, and 4 μg/0.5 μL) in the NAc as D1 or D2 dopamine receptor family antagonists, respectively, prior to infusion of Cannabidiol (10 μg/5 μL) in the lateral ventricle (LV) over conditioning phase in the acquisition experiments. In the second step of the study, animals received SCH23390 or Sulpiride in the NAc before Cannabidiol (50 μg/5 μL) infusion into the LV in the expression phase of MET to illuminate the influence of SCH23390 or Sulpiride on the inhibitory impact of Cannabidiol on the expression of MET-induced CPP. Intra-NAc administration of either SCH23390 or Sulpiride impaired Cannabidiol's suppressive impact on the expression phase, while just Sulpiride could suppress the Cannabidiol's impact on the acquisition phase of the MET-induced CPP. Also, the inhibitory impact of Sulpiride was stranger in both phases of MET reward. It seems that Cannabidiol prevents the expression and acquisition phases of MET-induced CPP partly through the dopaminergic system in the NAc.
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Affiliation(s)
- Asrin Sharifi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Saeideh Karimi-Haghighi
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ronak Shabani
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Asgari
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Ahadi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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19
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Differential methamphetamine-induced behavioral effects in male and female mice lacking regulator of G Protein signaling 4. Behav Brain Res 2022; 423:113770. [DOI: 10.1016/j.bbr.2022.113770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/03/2022] [Accepted: 01/21/2022] [Indexed: 11/21/2022]
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20
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Nouri K, Anooshe M, Karimi-Haghighi S, Mousavi Z, Haghparast A. Involvement of Hippocampal D1-Like Dopamine Receptors in the Inhibitory Effect of Cannabidiol on Acquisition and Expression of Methamphetamine-Induced Conditioned Place Preference. Neurochem Res 2021; 46:2008-2018. [PMID: 33993443 DOI: 10.1007/s11064-021-03350-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 04/22/2021] [Accepted: 05/12/2021] [Indexed: 12/21/2022]
Abstract
Cannabidiol (CBD) is a non-psychotomimetic compound with strong potential to decrease the psychostimulant's rewarding effect with unclear receptors. Furthermore, as a part of the reward circuit, the hippocampus plays a crucial role in regulating the reward properties of drugs as determined by conditioned place preference (CPP). In the current research, CPP was used to evaluate the role of intra-CA1 microinjection of D1-like dopamine receptor antagonists in CBD's inhibitory effect on the acquisition and expression phases of methamphetamine (METH). Animals were treated by METH (1 mg/kg; sc) in a five-day schedule to induce CPP. To find out the impact of D1-like dopamine receptor antagonist, SCH23390, in the CA1 on the inhibitory influence of CBD on the acquisition of METH, the rats received intra-CA1 administration of SCH23390 (0.25, 1, and 4 µg/0.5 µl) following ICV treatment of CBD (10 µg/5 µl) over conditioning phase of METH. Furthermore, animals were given SCH23390 in the CA1 ensuing ICV microinjection of CBD (50 µg/5 µl) in the expression phase of METH to rule out the influence of SCH23390 on the suppressive effect of CBD on the expression of METH CPP. Intra-CA1 microinjection of SCH23390 abolished CBD's suppressive impact on both METH-induced CPP phases without any side effect on the locomotion. The current research disclosed that CBD inhibited the rewarding characteristic of METH via D1-like dopamine receptors in the CA1 region of the hippocampus.
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Affiliation(s)
- Kiana Nouri
- Pharmacology and Toxicology Department, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mahsa Anooshe
- Pharmacology and Toxicology Department, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Zahra Mousavi
- Pharmacology and Toxicology Department, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, 19615-1178, Tehran, Iran.
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Hassanlou AA, Jamali S, RayatSanati K, Mousavi Z, Haghparast A. Cannabidiol modulates the METH-induced conditioned place preference through D2-like dopamine receptors in the hippocampal CA1 region. Brain Res Bull 2021; 172:43-51. [PMID: 33862125 DOI: 10.1016/j.brainresbull.2021.04.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/09/2021] [Accepted: 04/10/2021] [Indexed: 12/21/2022]
Abstract
The main problem with addiction is a relapse with a high rate in methamphetamine (METH) abusers. Using addictive drugs repetitively will cause the reward. METH reward is due to an increase in dopamine levels, and the endocannabinoid system (ECS) has a modulatory role in reward through CB1 receptors. On the other hand, the hippocampus plays an important role in learning and memory, so it is involved in the neuroplasticity caused by METH abuse. Cannabidiol (CBD) has been shown to reduce the effects of METH through different mechanisms such as increasing the ECS activity, regulating emotional memory in the ventral hippocampus through D2-like dopamine receptors, and decreasing the mesolimbic dopaminergic activity. The present study tried to find out the role of hippocampal CA1 D2-like dopamine receptors (D2R) in the effects of cannabidiol on the acquisition and expression of METH-induced conditioned place preference (METH-CPP) in rats by using microinjection of sulpiride as a D2R antagonist. For this purpose, different groups of animals received different doses of sulpiride (0.25, 1, and 4 μg/0.5 μL DMSO; CA1), once prior to the injection of CBD (10 μg/5 μL for acquisition and 50 μg/5 μL for expression; ICV) and once in the absence of CBD. Control groups were also considered. In brief, findings showed that cannabidiol decreases METH-induced CPP. Intra-CA1 administration of sulpiride reversed the decreasing effects of cannabidiol on METH-induced CPP in both acquisition and expression phases but more prominent in the expression phase. The results showed that sulpiride did not affect the METH-induced CPP in the absence of cannabidiol. In conclusion, this study demonstrated that cannabidiol decreased METH-induced CPP in part through interaction with hippocampal CA1 D2-dopamine receptors.
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Affiliation(s)
- Amir Arash Hassanlou
- Pharmacology and Toxicology Department, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Shole Jamali
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kimia RayatSanati
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Mousavi
- Pharmacology and Toxicology Department, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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