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Takahashi K, Toyoshima M, Ichitani Y, Yamada K. Enhanced methamphetamine-induced conditioned place preference in risk-taking rats. Behav Brain Res 2019; 378:112299. [PMID: 31634497 DOI: 10.1016/j.bbr.2019.112299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 10/10/2019] [Accepted: 10/10/2019] [Indexed: 10/25/2022]
Abstract
Patients with psychiatric disorders, such as gambling and substance use, tend to exhibit maladaptive decision-making. In this study, we assessed individual differences in risk-taking behaviors using a rat gambling task (GT) and investigated the relationship between risk-taking behaviors and vulnerability to drug dependence using methamphetamine (METH)-induced conditioned place preference (CPP). In the GT using a radial arm maze, male Long-Evans rats were trained to choose one of three choice arms (a low-risk/low reward (L-L), a high-risk/high reward (H-H), and an empty arm) in 16 trials per day for 14 days. METH-induced CPP consisted of 6 sessions: habituation, conditioning, preference test (Test I), extinction, extinction test (Test II), and reinstatement test (Test III). Results demonstrated that the percentage of choosing the H-H arm was significantly positively correlated with the percentage of time spent in the METH-paired compartment in the preference test, but not with the extinction and reinstatement tests, suggesting that risk-taking rats are more vulnerable to drug dependence.
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Affiliation(s)
- Katsumasa Takahashi
- Institute of Psychology and Behavioral Neuroscience, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan
| | - Michimasa Toyoshima
- Institute of Psychology and Behavioral Neuroscience, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan
| | - Yukio Ichitani
- Institute of Psychology and Behavioral Neuroscience, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan
| | - Kazuo Yamada
- Institute of Psychology and Behavioral Neuroscience, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan.
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2
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Huang M, Yan C, Yang X, Zhou X, Lv W, Guo N, Li Y, Bai J. Thioredoxin-1 downregulation in the nucleus accumbens promotes methamphetamine-primed reinstatement in mice. Neuropharmacology 2018; 139:117-123. [PMID: 29981334 DOI: 10.1016/j.neuropharm.2018.07.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 06/05/2018] [Accepted: 07/03/2018] [Indexed: 01/01/2023]
Abstract
Relapse of drug abuse after abstinence is a major challenge to the treatment of addicts. Thioredoxin-1 (Trx-1) is an important regulator of neuroprotection, and inhibits morphine-induced hyperlocomotion, reward and withdrawal signs, as well as blocks methamphetamine (METH)-induced conditioned place preference (CPP). The nucleus accumbens (NAc) is essential for relapse like behavior in reinstatement animal models. In the present study, we aimed to investigate the role of Trx-1 in the NAc in METH-primed reinstatement by using a reinstatement procedure in mice. Adeno-associated virus vectors expressing shRNA-mTrx-1 (AAV-shRNA-mTrx-1) were bilaterally microinjected into the NAc after METH-CPP extinction. The results showed that Trx-1 downregulation in the NAc promoted the reinstatement of METH-CPP. We also examined the expression of N-methyl-D-asparate (NMDA) receptor 2B subunit (GluN2b), the levels of phosphorylated extracellular signal-regulated kinase (p-ERK) and phosphorylated cAMP-response element binding protein (p-CREB) in the NAc by western blot analysis, and found that the GluN2b expression, p-ERK and p-CREB levels were increased in the NAc in response to low-dose METH in AAV-shRNA-mTrx-1 mice, but were not changed in control and AAV-vehicle mice. These data indicate that the increased GluN2b expression, and p-ERK and p-CREB levels in the NAc of AAV-shRNA-mTrx-1 mice may be responsible for the METH-primed reinstatement. Thus, we suggest that downregulation of Trx-1 in the NAc may make mice more sensitive to METH reinstatement.
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Affiliation(s)
- Mengbing Huang
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China; Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China
| | - Chen Yan
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xiaoyan Yang
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xiaoshuang Zhou
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wei Lv
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China
| | - Ningning Guo
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China; Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China
| | - Ye Li
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China.
| | - Jie Bai
- Medical Faculty, Kunming University of Science and Technology, Kunming, 650500, China.
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Blanco-Gandía MC, Aguilar MA, Miñarro J, Rodríguez-Arias M. Reinstatement of Drug-seeking in Mice Using the Conditioned Place Preference Paradigm. J Vis Exp 2018:56983. [PMID: 29939175 PMCID: PMC6101638 DOI: 10.3791/56983] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The present protocol describes the Conditioned Place Preference (CPP) as a model of relapse in drug addiction. In this model, animals are first trained to acquire a conditioned place preference in a drug-paired compartment, and after the post-conditioning test, they perform several sessions to extinguish the established preference. The CPP permits the evaluation of the conditioned rewarding effects of drugs related to environmental cues. Then, the extinguished CPP can be robustly reinstated by the non-contingent administration of a priming dose of the drug, and by exposure to stressful stimuli. Both methods will be explained here. When the animal reinitiates the behavioral response, a reinstatement of the conditioned reward is considered to have taken place. The main advantages of this protocol are that it is non-invasive, inexpensive, and simple with good validity criteria. In addition, it allows the study of different environmental manipulations, such as stress or diet, which can modulate relapse into drug seeking behaviors. However, one limitation is that if the researcher aims to explore the motivation and primary reinforcing effects of the drug, it should be complemented with self-administration procedures, as they involve operant responses of animals.
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Affiliation(s)
- M Carmen Blanco-Gandía
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València
| | - María A Aguilar
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València
| | - José Miñarro
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València
| | - Marta Rodríguez-Arias
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València;
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Arezoomandan R, Moradi M, Attarzadeh-Yazdi G, Tomaz C, Haghparast A. Administration of activated glial condition medium in the nucleus accumbens extended extinction and intensified reinstatement of methamphetamine-induced conditioned place preference. Brain Res Bull 2016; 125:106-16. [PMID: 27346277 DOI: 10.1016/j.brainresbull.2016.06.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 06/17/2016] [Accepted: 06/21/2016] [Indexed: 02/08/2023]
Abstract
Methamphetamine (METH) is a psychostimulant drug with significant abuse potential and neurotoxic effects. A high percentage of users relapse to use after detoxification and no effective medication has been developed for treatment of METH addiction. Developing evidences indicated the role of glial cells in drugs abused related phenomena. However, little is known about the role of these cells in the maintenance and reinstatement of METH-seeking behaviors. Therefore, the current study was conducted to clarify the role of glial cells in the maintenance and reinstatement of METH-induced conditioned place preference (CPP) in rats. Astrocyte condition medium (ACM) and neuroglia conditioned medium (NCM) are liquid mediums prepared from primary astrocyte and neuroglia cells. These mediums seem to contain many factors that release by glia cells. CPP was induced by systemic administration of METH (1mg/kg for 5days, s.c.). Following the establishment of CPP, the rats were given daily bilateral injections (0.5μl/side) of either vehicle, ACM or NCM into the nucleus accumbens (NAc) and then were tested for the maintenance and reinstatement. Intra-NAc administration of ACM treated with METH, could extend the extinction period and also, intensified the magnitude of METH reinstatement. Furthermore, intra-accumbal administration of NCM treated with METH notably delayed the extinction period by four days and significantly increased the magnitude of CPP score in the reinstatement phase compared to the post-test phase. Collectively, these findings suggested that activation of glial cells may be involved in the maintenance and reinstatement of METH-seeking behaviors. It provides new evidence that glia cells might be considered as a potential target for the treatment of METH addiction.
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Affiliation(s)
- Reza Arezoomandan
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Addiction Department, Center of Excellence in Psychiatry and Clinical Psychology, School of Behavioral Sciences and Mental Health (Institute of Tehran Psychiatry), Iran University of Medical Sciences, Tehran, Iran
| | - Marzieh Moradi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ghassem Attarzadeh-Yazdi
- Molecular Medicine Research Centre, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; Iran National Science Foundation, Tehran, Iran
| | - Carlos Tomaz
- Department of Physiological Sciences, University of Brasilia, Brasilia, Brazil
| | - Abbas Haghparast
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Iran National Science Foundation, Tehran, Iran.
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Kim BJ, Park JI, Eun HJ, Yang JC. Influence of Betaxolol on the Methamphetamine Dependence in Mice. Psychiatry Investig 2016; 13:316-20. [PMID: 27247598 PMCID: PMC4878966 DOI: 10.4306/pi.2016.13.3.316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Revised: 06/12/2015] [Accepted: 08/12/2015] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The noradrenaline system is involved in the reward effects of various kinds of abused drugs. Betaxolol (BTX) is a highly selective β1-antagonist. In the present study, we evaluated the effect of BTX on methamphetamine (MAP)-induced conditioned place preference (CPP) and hyperactivity in mice. METHODS The mice (n=72) were treated with MAP or saline every other day for a total of 6 days (from day 3 to day 8; 3-times MAP and 3-times saline). Each mouse was given saline (1 mL/kg) or MAP (1 mg/kg, s.c.) or BTX (5 mg/kg, i.p.) or MAP with BTX (5 mg/kg, i.p.) 30 min prior to the administration of MAP (1 mg/kg, s.c.) every other day and paired with for 1 h (three-drug and three-saline sessions). We then compared the CPP score between the two groups. After the extinction of CPP, the mice were given BTX (5 mg/kg, i.p.) or saline (1 mL/kg) 24 h prior to a priming injection of MAP, and were then immediately tested to see whether the place preference was reinstated. RESULTS The repeated administration of BTX 30 min prior to the exposure to MAP significantly reduced the development of MAP-induced CPP. When BTX was administered 24 h prior to the CPP-testing session on day 9, it also significantly attenuated the CPP, but did not result in any change of locomotor activity. In the drug-priming reinstatement study, the extinguished CPP was reinstated by a MAP (0.125 mg/kg, s.c.) injection and this was significantly attenuated by BTX. CONCLUSION These findings suggest that BTX has a therapeutic and preventive effect on the development, expression, and drug-priming reinstatement of MAP-induced CPP.
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Affiliation(s)
- Byoung-Jo Kim
- Department of Neuropsychiatry, Presbyterian Medical Center-Jesus Hospital, Jeonju, Republic of Korea
- Department of Neuropsychiatry, Seonam University College of Medicine, Jeonju, Republic of Korea
| | - Jong-Il Park
- Department of Psychiatry, Chonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Republic of Korea
| | - Hun-Jeong Eun
- Department of Neuropsychiatry, Presbyterian Medical Center-Jesus Hospital, Jeonju, Republic of Korea
- Department of Neuropsychiatry, Seonam University College of Medicine, Jeonju, Republic of Korea
| | - Jong-Chul Yang
- Department of Psychiatry, Chonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Republic of Korea
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Shen F, Wang XW, Ge FF, Li YJ, Cui CL. Essential role of the NO signaling pathway in the hippocampal CA1 in morphine-associated memory depends on glutaminergic receptors. Neuropharmacology 2016; 102:216-28. [DOI: 10.1016/j.neuropharm.2015.11.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 11/06/2015] [Accepted: 11/06/2015] [Indexed: 10/22/2022]
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Involvement of the insular nitric oxide signaling pathway in the expression of morphine-induced conditioned place preference in rats. Neuroreport 2015; 25:641-6. [PMID: 24800987 DOI: 10.1097/wnr.0000000000000146] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Nitric oxide (NO) has been recently reported to play an important role in the rewarding effects of addictive drugs. The regional NO signaling in the brain, however, is not completely clear. Here, we studied the effects of insular NO signaling on the expression of morphine-induced conditioned place preference (CPP). Insular microinjection of the NO inhibitors N-nitro L-arginine methyl ester (L-NAME) and 7-nitroindazole reduced the expression of morphine-induced CPP. The NO donor molsidomine, in contrast, reversed L-NAME-induced reduction of CPP expression. These results suggest that insular NO signaling is involved in the expression of morphine-CPP.
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Elevated BDNF mRNA expression in the medial prefrontal cortex after d-amphetamine reinstated conditioned place preference in rats. Neuroscience 2014; 263:88-95. [DOI: 10.1016/j.neuroscience.2014.01.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 01/08/2014] [Accepted: 01/08/2014] [Indexed: 12/14/2022]
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9
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Shen F, Li YJ, Shou XJ, Cui CL. Role of the NO/sGC/PKG signaling pathway of hippocampal CA1 in morphine-induced reward memory. Neurobiol Learn Mem 2012; 98:130-8. [DOI: 10.1016/j.nlm.2012.07.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/09/2012] [Accepted: 07/10/2012] [Indexed: 10/28/2022]
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Subiah CO, Mabandla MV, Phulukdaree A, Chuturgoon AA, Daniels WMU. The effects of vasopressin and oxytocin on methamphetamine-induced place preference behaviour in rats. Metab Brain Dis 2012; 27:341-50. [PMID: 22447521 DOI: 10.1007/s11011-012-9297-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Accepted: 03/15/2012] [Indexed: 01/08/2023]
Abstract
Methamphetamine is a highly addictive stimulant drug whose illicit use and resultant addiction has become an alarming global phenomenon. The mesolimbic dopaminergic pathway has been shown to be fundamental to the establishment of addictive behaviour. This pathway, as part of the reward system of the brain, has also been shown to be important in classical conditioning, which is a learnt response. Within the modulation of learning and memory, the neurohypophyseal hormones vasopressin and oxytocin have been reported to play a vital role, with vasopressin exerting a long- term facilitatory effect and oxytocin exerting an inhibitory effect. Therefore we adopted a conditioned place preference model to investigate whether vasopressin V1b receptor antagonist SSR 149415 or oxytocin treatment would cause a decrease in the seeking behaviour in a reinstatement paradigm. Behavioural findings indicated that methamphetamine induced a change in the place preference in the majority of our animals. This change in place preference was not seen when vasopressin was administered during the extinction phase. On the other hand the methamphetamine-induced change in place preference was enhanced during the reinstatement phase in the animals that were treated with oxytocin. Striatal dopamine levels were determined, as methamphetamine is known to increase dopamine transmission in this area. Significant changes in dopamine levels were observed in some of our animals. Rats that received both methamphetamine and oxytocin had significantly higher striatal dopamine than those that received oxytocin alone. Western blot analysis for hippocampal cyclic AMP response element binding protein (CREB) was also conducted as a possible indicator of glutamatergic NMDA receptor activity, a pathway that is important for learning and memory. The Western blot analysis showed no changes in hippocampal pCREB expression. Overall our data led us to conclude that methamphetamine treatment can change place preference behaviour in rats and that this change may be partially restored by vasopressin antagonism, but exaggerated by oxytocin.
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Affiliation(s)
- Cassandra O Subiah
- Discipline of Human Physiology, College of Health Science, University of KwaZulu-Natal, Durban, South Africa.
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Steketee JD, Kalivas PW. Drug wanting: behavioral sensitization and relapse to drug-seeking behavior. Pharmacol Rev 2011; 63:348-65. [PMID: 21490129 DOI: 10.1124/pr.109.001933] [Citation(s) in RCA: 452] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Repeated exposure to drugs of abuse enhances the motor-stimulant response to these drugs, a phenomenon termed behavioral sensitization. Animals that are extinguished from self-administration training readily relapse to drug, conditioned cue, or stress priming. The involvement of sensitization in reinstated drug-seeking behavior remains controversial. This review describes sensitization and reinstated drug seeking as behavioral events, and the neural circuitry, neurochemistry, and neuropharmacology underlying both behavioral models will be described, compared, and contrasted. It seems that although sensitization and reinstatement involve overlapping circuitry and neurotransmitter and receptor systems, the role of sensitization in reinstatement remains ill-defined. Nevertheless, it is argued that sensitization remains a useful model for determining the neural basis of addiction, and an example is provided in which data from sensitization studies led to potential pharmacotherapies that have been tested in animal models of relapse and in human addicts.
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Affiliation(s)
- Jeffery D Steketee
- Department of Pharmacology, University of Tennessee Health Science Center, 874 Union Avenue, Memphis, TN 38163, USA.
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Abstract
Drug addiction is a syndrome of impaired response inhibition and salience attribution, which involves a complex neurocircuitry underlying drug reinforcement, drug craving, and compulsive drug-seeking and drug-taking behaviors despite adverse consequences. The concept of disease stages with transitions from acute rewarding effects to early- and end-stage addiction has had an important impact on the design of nonclinical animal models. This chapter reviews the main advances in nonclinical paradigms that aim to at model (1) positive and negative reinforcing effects of addictive drugs; (2) relapse to drug-seeking behavior; (3) reconsolidation of drug cue memories, and (4) compulsive/impulsive drug intake. In addition, recent small animal neuroimaging studies and invertebrate models will be briefly discussed (see also Bifone and Gozzi, Animal models of ADHD, 2011). Continuous improvement in modeling drug intake, craving, withdrawal symptoms, relapse, and comorbid psychiatric associations is a necessary step to better understand the etiology of the disease and to ultimately foster the discovery, validation and optimization of new efficacious pharmacotherapeutic approaches. The modeling of specific subprocesses or constructs that address clinically defined criteria will ultimately increase our understanding of the disease as a whole. Future research will have to address the questions of whether some of these constructs can be reliably used as outcome measures to assess the effects of a treatment in clinical settings, whether changes in those measures can be a target of therapeutic efforts, and whether they relate to biological markers of traits such as impulsivity, which contribute to increased drug-seeking and may predict binge-like patterns of drug intake.
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Affiliation(s)
- Christian Heidbreder
- Reckitt Benckiser Pharmaceuticals Inc., 10710 Midlothian Turnpike, Suite 430, Richmond, VA, 23235, USA,
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Anderson M, Wilcox K, Guericke M, Chu H, Wilson MV, Wilson E, Lucas K, Holmes AE. Enantiodiscrimination of methamphetamine by circular dichroism using a porphyrin tweezer. Chirality 2010; 22:398-402. [PMID: 19575463 DOI: 10.1002/chir.20752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Using exciton-coupled circular dichroism (ECCD) spectroscopy, our lab was able to differentiate between the two enantiomers of methamphetamine using a commercially available porphyrin tweezer as an achiral host. The host-guest complex formed with (+)-(S)-methamphetamine produced a negative bisignate-shaped ECCD spectrum, whereas the complex formed with (-)-(R)-methamphetamine produced a positive one. This sensitive technique could serve as an alternative method for the enantiodiscrimination of chiral methamphetamine, a commonly abused drug in the United States.
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Affiliation(s)
- Marcus Anderson
- Department of Chemistry, Doane College, Crete, Nebraska 68333, USA
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DeMarco A, Dalal RM, Pai J, Aquilina SD, Mullapudi U, Hammel C, Kothari SK, Kahanda M, Liebling CNB, Patel V, Schiffer WK, Brodie JD, Dewey SL. Racemic gamma vinyl-GABA (R,S-GVG) blocks methamphetamine-triggered reinstatement of conditioned place preference. Synapse 2009; 63:87-94. [PMID: 19016239 DOI: 10.1002/syn.20582] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Preventing relapse poses a significant challenge to the successful management of methamphetamine (METH) dependence. Although no effective medication currently exists for its treatment, racemic gamma vinyl-GABA (R,S-GVG, vigabatrin) shows enormous potential as it blocks both the neurochemical and behavioral effects of a variety of drugs, including METH, heroin, morphine, ethanol, nicotine, and cocaine. Using the reinstatement of a conditioned place preference (CPP) as an animal model of relapse, the present study specifically investigated the ability of an acute dose of R,S-GVG to block METH-triggered reinstatement of a METH-induced CPP. Animals acquired a METH CPP following a 20-day-period of conditioning, in which they received 10 pairings of alternating METH and saline injections. During conditioning, rats were assigned to one of four METH dosage groups: 1.0, 2.5, 5.0, or 10.0 mg/kg (i.p., n = 8/group). Animals in all dosage groups demonstrated a robust and consistent CPP. This CPP was subsequently extinguished in each dosage group with repeated saline administration. Upon extinction, all groups reinstated following an acute METH challenge. On the following day, an acute dose of R,S-GVG (300 mg/kg, i.p.) was administered 2.5 h prior to an identical METH challenge. R,S-GVG blocked METH-triggered reinstatement in all four groups. Given that drug re-exposure may potentiate relapse to drug-seeking behavior, the ability of R,S-GVG to block METH-triggered reinstatement offers further support for its use in the successful management of METH dependence.
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Affiliation(s)
- Amy DeMarco
- Medical Department, Brookhaven National Laboratory, Upton, New York 11973, USA.
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Lan KC, Chang AC, Liu SH, Ho IK, Lin-Shiau SY. Enhancing effects of morphine on methamphetamine-induced reinforcing behavior and its association with dopamine release and metabolism in mice. J Neurochem 2009; 109:382-92. [PMID: 19245664 DOI: 10.1111/j.1471-4159.2009.05998.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Polydrug abuse has become a significant problem worldwide, and the combined use of methamphetamine (MA) and morphine (M) is now highly prevalent among addicts. In the present study, we investigated the neurobehavioral effects of repeated treatment regimens of these drugs (i.p. administration of 0.75 mg/kg/day MA, 5 mg/kg/day M, and their combination for five consecutive days followed by once weekly for five consecutive weeks) in mice. In addition, we used an in vivo microdialysis technique to study the changes in extracellular concentrations of dopamine (DA) and its metabolites in the mouse striatum after challenge administration of these drugs. The results showed that systemic M increased MA-induced conditioned place preference (CPP), as revealed by higher CPP values which were also maintained for a longer duration compared with those induced by an identical dose of MA or M alone. Subsequent to challenge with combined MA and M, mice exhibited an increase in stereotyped behavior, which appeared to be associated with an elevation of extracellular concentration of DA in the striatum. Our findings suggest that M not only produces synergistic effects on MA-induced CPP, but also interacts with MA to induce stereotyped behavioral sensitization which is mediated by an increase in DA outflow in the striatum. These findings provide insight into the behavioral and neurochemical basis responsible for the combined abuse liability of MA and M.
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Affiliation(s)
- Kuo-Cheng Lan
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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Aguilar MA, Rodríguez-Arias M, Miñarro J. Neurobiological mechanisms of the reinstatement of drug-conditioned place preference. ACTA ACUST UNITED AC 2008; 59:253-77. [PMID: 18762212 DOI: 10.1016/j.brainresrev.2008.08.002] [Citation(s) in RCA: 201] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2008] [Revised: 07/29/2008] [Accepted: 08/13/2008] [Indexed: 12/15/2022]
Abstract
Drug addiction is a chronic disorder characterized by a high rate of relapse following detoxification. There are two main versions of the reinstatement model that are employed to study relapse to drug abuse; one based on the operant self-administration procedure, and the other on the classical conditioned place preference procedure. In the last seven years, the use of the latter version has become more widespread, and the results obtained complement those obtained in self-administration studies. It has been observed that the conditioned place preference induced by opioids, psychostimulants, nicotine, ethanol and other drugs of abuse can be extinguished and reinstated by drug priming or exposure to stressful events. Herein, the neuroanatomical and neurochemical basis of drug priming- and stress-induced reinstatement of morphine and cocaine, together with the molecular correlates of reinstatement behavior, are reviewed. Differences between the conditioned place preference and self-administration studies are also discussed. Evidence suggests that data of reinstatement with the CPP are to be viewed with caution until more extensive analysis of operant procedures has been performed, and that further research will undoubtedly improve our understanding of the neurobiological mechanisms of relapse to drug seeking.
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Affiliation(s)
- Maria A Aguilar
- Unidad de Investigación Psicobiologia de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, Avda. Blasco Ibáñez, 21, 46010 Valencia, Spain
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Tzschentke TM. Measuring reward with the conditioned place preference (CPP) paradigm: update of the last decade. Addict Biol 2007; 12:227-462. [PMID: 17678505 DOI: 10.1111/j.1369-1600.2007.00070.x] [Citation(s) in RCA: 1006] [Impact Index Per Article: 59.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Conditioned place preference (CPP) continues to be one of the most popular models to study the motivational effects of drugs and non-drug treatments in experimental animals. This is obvious from a steady year-to-year increase in the number of publications reporting the use this model. Since the compilation of the preceding review in 1998, more than 1000 new studies using place conditioning have been published, and the aim of the present review is to provide an overview of these recent publications. There are a number of trends and developments that are obvious in the literature of the last decade. First, as more and more knockout and transgenic animals become available, place conditioning is increasingly used to assess the motivational effects of drugs or non-drug rewards in genetically modified animals. Second, there is a still small but growing literature on the use of place conditioning to study the motivational aspects of pain, a field of pre-clinical research that has so far received little attention, because of the lack of appropriate animal models. Third, place conditioning continues to be widely used to study tolerance and sensitization to the rewarding effects of drugs induced by pre-treatment regimens. Fourth, extinction/reinstatement procedures in place conditioning are becoming increasingly popular. This interesting approach is thought to model certain aspects of relapse to addictive behavior and has previously almost exclusively been studied in drug self-administration paradigms. It has now also become established in the place conditioning literature and provides an additional and technically easy approach to this important phenomenon. The enormous number of studies to be covered in this review prevented in-depth discussion of many methodological, pharmacological or neurobiological aspects; to a large extent, the presentation of data had to be limited to a short and condensed summary of the most relevant findings.
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Affiliation(s)
- Thomas M Tzschentke
- Grünenthal GmbH, Preclinical Research and Development, Department of Pharmacology, Aachen, Germany.
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Daza-Losada M, Ribeiro Do Couto B, Manzanedo C, Aguilar MA, Rodríguez-Arias M, Miñarro J. Rewarding effects and reinstatement of MDMA-induced CPP in adolescent mice. Neuropsychopharmacology 2007; 32:1750-9. [PMID: 17299518 DOI: 10.1038/sj.npp.1301309] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Although the rewarding effects of 3,4-methylenedioxy-metamphetamine (MDMA) have been demonstrated in self-administration and conditioned place preference (CPP) procedures, its addictive potential (ie, the vulnerability to relapse, measured by its ability to induce reinstatement of an extinguished response), remains poorly understood. In this study, the effects of MDMA (5, 10, and 20 mg/kg) on the acquisition, extinction and reinstatement of CPP were evaluated in mice, using two different protocols during acquisition of CPP. In the first experiment, animals were trained using a two-session/day schedule (MDMA and saline for 4 consecutive days), whereas in the second experiment, they were trained using an alternating day schedule (MDMA and saline each 48 h). After extinction, the ability of drug priming to reinstate CPP was evaluated. In Experiment 1, MDMA did not significantly increase the time spent in the drug-paired compartment during the post-conditioning (Post-C) test, although the preference was evident a week afterwards, lasting between 2 and 21 weeks. No reinstatement was observed after MDMA priming. In Experiment 2, all doses produced CPP in Post-C, which lasted between 1 and 4 weeks. MDMA induces reinstatement at doses up to 4 times lower than those used in conditioning. The analyses of brain monoamines revealed that the daily schedule of treatment induces a non-dose-dependent decrease in dopamine and serotonin (5-HT) in the striatum, whereas the alternating schedule produces a dose-dependent decrease of 5-HT in the cortex. These results demonstrate that MDMA produces long-lasting rewarding effects and reinstatement after extinction, suggesting the susceptibility of this drug to induce addiction.
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Affiliation(s)
- Manuel Daza-Losada
- Facultad de Psicología, Departamento de Psicobiología, Unidad de Investigación Psicobiología de las Drogodependencias, Universitat de Valencia, Valencia, Spain
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Sammut S, Dec A, Mitchell D, Linardakis J, Ortiguela M, West AR. Phasic dopaminergic transmission increases NO efflux in the rat dorsal striatum via a neuronal NOS and a dopamine D(1/5) receptor-dependent mechanism. Neuropsychopharmacology 2006; 31:493-505. [PMID: 16012530 DOI: 10.1038/sj.npp.1300826] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Dysfunctional neurotransmission within striatal networks is believed to underlie the pathophysiology of several neurological and psychiatric disorders. Nitric oxide (NO)-producing interneurons have been shown to play a critical role in modulating striatal synaptic transmission. These interneurons receive synaptic contacts from midbrain dopamine (DA) neurons and may be regulated by DA receptor activation. In the current study, striatal NO efflux was measured in anesthetized male rats using an NO-selective electrochemical microsensor and the role of DA in modulating NO synthase (NOS) activity was assessed during electrical or chemical (bicuculline) stimulation of the substantia nigra (SN). Electrical stimuli were patterned to approximate the natural single spike or burst firing activity of midbrain DA neurons. Electrical stimulation of the SN at low frequencies induced modest increases in striatal NO efflux. In contrast, train stimulation of the SN robustly increased NO efflux in a stimulus intensity-dependent manner. NO efflux evoked by SN stimulation was similar in chloral hydrate- and urethane-anesthetized rats. The facilitatory effect of train stimulation on striatal NO efflux was transient and attenuated by systemic administration of the neuronal NOS inhibitor 7-nitroindazole and the nonselective NOS inhibitor methylene blue. Moreover, the increase in NO efflux observed during chemical and train stimulation of the SN was attenuated following systemic administration of the DA D(1/5) receptor antagonist SCH 23390. SCH 23390 also blocked NO efflux induced by systemic administration of the D(1/5) agonist SKF 81297. These results indicate that neuronal NOS is activated in vivo by nigrostriatal DA cell burst firing via a DA D(1/5)-like receptor-dependent mechanism.
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Affiliation(s)
- Stephen Sammut
- Department of Neuroscience, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA.
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Do Ribeiro Couto B, Aguilar MA, Rodríguez-Arias M, Miñarro J. Cross-reinstatement by cocaine and amphetamine of morphine-induced place preference in mice. Behav Pharmacol 2005; 16:253-9. [PMID: 15961965 DOI: 10.1097/01.fbp.0000169183.83115.25] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The cross-reinstatement by psychostimulants of a conditioned place preference (CPP) induced by morphine was evaluated in mice. In Experiment 1, we examined the effects of a single dose of cocaine and amphetamine on a previously extinguished morphine CPP. After acquisition of CPP induced by morphine (40 mg/kg), animals underwent daily extinction sessions of 15 min duration until the CPP was extinguished. Subsequently, animals received a non-contingent injection of cocaine (25 mg/kg) or amphetamine (4 mg/kg), which produced the reinstatement of the extinguished morphine-induced CPP. In Experiment 2, we evaluated the reinstating effects of several priming doses of cocaine (Experiment 2A) or amphetamine (Experiment 2B). As in the first experiment, after conditioning with morphine (40 mg/kg), mice underwent daily 15 min extinction sessions. When the preference was no longer evident, we tested the effects of cocaine (0, 6.25, 12.5, 25 and 50 mg/kg) and amphetamine (0, 0.5, 1, 2 and 4 mg/kg) on the reinstatement of CPP. Doses from 12.5 mg/kg of cocaine upward and doses from 1 mg/kg of amphetamine upward effectively reinstated CPP. Our results demonstrate cross-reinstatement with psychostimulants and opiates, suggesting that in abstinent individuals, drug exposure can produce craving for the previously abused drug and relapse.
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Affiliation(s)
- B Do Ribeiro Couto
- Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, Spain
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Sakoori K, Murphy NP. Maintenance of conditioned place preferences and aversion in C57BL6 mice: effects of repeated and drug state testing. Behav Brain Res 2005; 160:34-43. [PMID: 15836898 DOI: 10.1016/j.bbr.2004.11.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2004] [Revised: 11/12/2004] [Accepted: 11/12/2004] [Indexed: 11/20/2022]
Abstract
In order to determine the factors affecting the expression of place conditioning (i.e. conditioned place preference or aversion), groups of C57BL6 mice were conditioned to morphine, cocaine or naloxone (all drugs 4 mg/kg s.c.) and tested intermittently (up to 4 weeks) or repeatedly (daily). When tested once only in a drug-free state, the expression of place conditioning to all drugs generally strengthened with the passing of time and was only marginally different when tested once more later. The expression of place conditioning was remarkably resistant to extinction during repeated daily testing, though decreases were observed over 2 weeks of testing. Subsequently, a small and non-significant degree of spontaneous recovery of the expression of place conditioning was observed when animals were undisturbed for an extended period of time. Administering animals the same drug to which they were conditioned 20 min prior to testing (i.e. drug state testing), either prior to or following repeated testing, enhanced expression of morphine-induced conditioned place preference, whereas expression of cocaine-induced conditioned place preference was unaffected. When vehicle was administered prior to testing, there was no evidence of naloxone-induced conditioned place aversion, whereas naloxone administration maintained conditioned place aversion. These results show that the expression of place conditioning in C57BL6 mice does not readily diminish over time, but on the contrary, tends to strengthen if tested only once or intermittently. Thus, the hedonic properties of drugs may be more clearly revealed during long-term, rather than short-tem testing, and in some instances, when tested in the drugged state.
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Affiliation(s)
- Kazuto Sakoori
- Neuronal Circuit Mechanisms Research Group, RIKEN Brain Science Institute, 2-1 Hirosawa, Wakoshi, Saitama 351-0198, Japan
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Ribeiro Do Couto B, Aguilar MA, Manzanedo C, Rodríguez-Arias M, Miñarro J. NMDA glutamate but not dopamine antagonists blocks drug-induced reinstatement of morphine place preference. Brain Res Bull 2005; 64:493-503. [PMID: 15639545 DOI: 10.1016/j.brainresbull.2004.10.005] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2004] [Revised: 09/22/2004] [Accepted: 10/10/2004] [Indexed: 11/21/2022]
Abstract
The effects of dopaminergic and glutamatergic antagonists on the drug-induced reinstatement of a previously extinguished morphine conditioned place preference (CPP) in mice were evaluated. Following extinction of a place preference induced by morphine (40 mg/kg), a non-contingent injection of the dopaminergic antagonists SCH 23390 (0.125, 0.5 mg/kg), raclopride (0.3, 1.2 mg/kg), haloperidol (0.1, 0.2 mg/kg) and the dopamine (DA) release inhibitor CGS 10746B (1, 10 mg/kg) or glutamatergic NMDA antagonists memantine (10, 20, 40 mg/kg) and MK-801 (0.1, 0.2, 0.3 mg/kg) alone or with 10 mg/kg morphine was given. Neither the dopaminergic nor the glutamatergic antagonists alone reinstated the place preference. Dopamine antagonists failed to block the morphine-induced reinstatement of place preference while memantine and MK-801 blocked it with intermediate and high doses. These results suggest that drug-induced reinstatement of place preference may be largely independent of dopamine and more closely related to glutamatergic neurotransmission.
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Affiliation(s)
- B Ribeiro Do Couto
- Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, Avda. Blasco Ibáñez, 21 46010 Valencia, Spain
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Goeders JE, Goeders NE. Effects of oxazepam on methamphetamine-induced conditioned place preference. Pharmacol Biochem Behav 2004; 78:185-8. [PMID: 15159149 DOI: 10.1016/j.pbb.2004.03.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2003] [Revised: 03/01/2004] [Accepted: 03/11/2004] [Indexed: 10/26/2022]
Abstract
Our laboratory has been investigating the role for the hypothalamo-pituitary-adrenal (HPA) axis and benzodiazepines in the behavioral effects of cocaine for several years now. The following represents our initial investigation of the influence of benzodiazepines on methamphetamine reward using conditioned place preference. In these experiments, methamphetamine (0.5 mg/kg ip) resulted in a robust conditioned place preference that was attenuated when the rats were pretreated with oxazepam (10 mg/kg ip) on the day of preference testing. These data suggest a potential role for benzodiazepines in the behavioral effects of methamphetamine. Additional research will be necessary to determine if the nature of these effects is similar with what has been observed with cocaine.
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Affiliation(s)
- James E Goeders
- Department of Pharmacology and Therapeutics and Psychiatry, Louisiana State University Health Sciences Center, 1501 Kings Highway, P.O. Box 33932, Shreveport, LA 71130-3932, USA
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Manzanedo C, Aguilar MA, Rodríguez-Arias M, Navarro M, Miñarro J. 7-Nitroindazole blocks conditioned place preference but not hyperactivity induced by morphine. Behav Brain Res 2004; 150:73-82. [PMID: 15033281 DOI: 10.1016/s0166-4328(03)00225-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2003] [Revised: 06/30/2003] [Accepted: 06/30/2003] [Indexed: 10/27/2022]
Abstract
The effects of 7-nitroindazole (7-NI), a neural nitric oxide synthase (nNOS) inhibitor, on spontaneous locomotor activity, morphine-induced hyperactivity, acquisition of place conditioning and morphine-induced conditioned place preference (CPP) were evaluated in male mice. In experiment 1, animals treated with 7-NI (25, 50 and 100mg/kg), morphine (40 mg/kg) or morphine (40 mg/kg) plus 7-NI (25, 50 or 100mg/kg) were placed in an actimeter for 3h. In experiment 2, animals treated with the same drugs and doses were conditioned following an unbiased procedure. 7-NI did not affect the spontaneous locomotor activity or hyperactivity induced by morphine. However, the moderate and high doses of 7-NI produced conditioned place aversion (CPA) and the lowest dose blocked morphine-induced CPP. Our results suggest that nitric oxide is involved in the rewarding properties of morphine but not in its motor effects.
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Affiliation(s)
- Carmen Manzanedo
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de Madrid, 28223 Madrid, Spain
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Zavala AR, Weber SM, Rice HJ, Alleweireldt AT, Neisewander JL. Role of the prelimbic subregion of the medial prefrontal cortex in acquisition, extinction, and reinstatement of cocaine-conditioned place preference. Brain Res 2004; 990:157-64. [PMID: 14568340 DOI: 10.1016/s0006-8993(03)03452-8] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Previous research suggests that the prelimbic subregion of the medial prefrontal cortex (mPFC) is necessary for acquisition of cocaine-conditioned place preference (CPP). Recently, it has been shown that extinguished cocaine-CPP can be reinstated by cocaine priming injections, and that this effect reflects the incentive motivational effects of the cocaine prime. To determine whether the prelimbic cortex is necessary for cocaine-reinstated CPP, rats received bilateral infusions of quinolinic acid (lesion group) or vehicle (sham group) into the prelimbic cortex and were later tested for acquisition, extinction, and reinstatement of cocaine-CPP. Both sham and lesion rats exhibited robust CPP established by systemic injections of cocaine (15 mg/kg, i.p.) following either one or three drug-environment pairings. Following repeated exposure to the cocaine- and saline-paired environments, sham and lesion rats showed similar rates of extinction of cocaine-CPP. In contrast, reinstatement of cocaine-CPP by cocaine priming injections (5 and 10 mg/kg, i.p.) was attenuated in rats with prelimbic cortex lesions relative to sham controls. This finding suggests that the prelimbic cortex is involved in the incentive motivational effects of cocaine priming.
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Affiliation(s)
- Arturo R Zavala
- Department of Psychology, Arizona State University, PO Box 871104, Tempe, AZ 85287-1104, USA
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