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Saravia R, Ten-Blanco M, Pereda-Pérez I, Berrendero F. New Insights in the Involvement of the Endocannabinoid System and Natural Cannabinoids in Nicotine Dependence. Int J Mol Sci 2021; 22:13316. [PMID: 34948106 PMCID: PMC8715672 DOI: 10.3390/ijms222413316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 12/14/2022] Open
Abstract
Nicotine, the main psychoactive component in tobacco smoke, plays a major role in tobacco addiction, producing a high morbidity and mortality in the world. A great amount of research has been developed to elucidate the neural pathways and neurotransmitter systems involved in such a complex addictive behavior. The endocannabinoid system, which has been reported to participate in the addictive properties of most of the prototypical drugs of abuse, is also implicated in nicotine dependence. This review summarizes and updates the main behavioral and biochemical data involving the endocannabinoid system in the rewarding properties of nicotine as well as in nicotine withdrawal and relapse to nicotine-seeking behavior. Promising results from preclinical studies suggest that manipulation of the endocannabinoid system could be a potential therapeutic strategy for treating nicotine addiction.
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Affiliation(s)
- Rocio Saravia
- Laboratory of Neuropharmacology, Department of Experimental and Health Sciences, Universitat Pompeu Fabra, PRBB, 08003 Barcelona, Spain;
| | - Marc Ten-Blanco
- Faculty of Experimental Sciences, Universidad Francisco de Vitoria, UFV, Pozuelo de Alarcón, 28223 Madrid, Spain; (M.T.-B.); (I.P.-P.)
| | - Inmaculada Pereda-Pérez
- Faculty of Experimental Sciences, Universidad Francisco de Vitoria, UFV, Pozuelo de Alarcón, 28223 Madrid, Spain; (M.T.-B.); (I.P.-P.)
| | - Fernando Berrendero
- Faculty of Experimental Sciences, Universidad Francisco de Vitoria, UFV, Pozuelo de Alarcón, 28223 Madrid, Spain; (M.T.-B.); (I.P.-P.)
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Nelson KH, Manke HN, Bailey JM, Vlachos A, Maradiaga KJ, Huang S, Weiss TD, Rice KC, Riley AL. Ethanol pre-exposure differentially impacts the rewarding and aversive effects of α-pyrrolidinopentiophenone (α-PVP): Implications for drug use and abuse. Pharmacol Biochem Behav 2021; 211:173286. [PMID: 34634300 DOI: 10.1016/j.pbb.2021.173286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 09/17/2021] [Accepted: 10/03/2021] [Indexed: 11/15/2022]
Abstract
RATIONALE Exposure to a drug can subsequently impact its own reactivity as well as that of other drugs. Given that users of synthetic cathinones, i.e., "bath salts", typically have extensive and varied drug histories, an understanding of the effects of drug history on the behavioral and physiological consequences of synthetic cathiones may be important to their abuse liability. OBJECTIVES The goal of the current work was to assess the effects of an ethanol pre-exposure on the rewarding and aversive effects of α-PVP. METHODS Adult male Sprague Dawley rats were exposed to ethanol prior to combined conditioned taste avoidance/conditioned place preference training in which rats were injected with 1.5, 3 or 5 mg/kg of racemic α-PVP or vehicle. Following a 7-day washout period, rats were then tested for thermoregulatory effects of α-PVP using subcutaneous probes to measure body temperature changes over the course of 8 h. This was followed 10 days later by assessments for α-PVP-induced locomotor activity and stereotypies over a 1-h session. RESULTS α-PVP induced significant dose- and trial-dependent taste avoidance that was significantly attenuated by ethanol history and dose- and time-dependent increases in locomotor activity that were significantly increased by ethanol. α-PVP also induced place preferences and dose- and time-dependent increases in body temperature, but these measures were unaffected by ethanol history. CONCLUSIONS α-PVP's aversive effects (as measured by taste avoidance) were attenuated, while its rewarding effects (as indexed by place preference conditioning) were unaffected, by ethanol pre-exposure. Such a pattern may indicate increased α-PVP abuse liability, as changes in the balance of aversion and reward may impact overall drug effects and likelihood of drug intake. Future self-administration studies will be necessary to explore this possibility.
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Affiliation(s)
- Katharine H Nelson
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA.
| | - Hayley N Manke
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA
| | - Jacob M Bailey
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA
| | - Anna Vlachos
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA
| | - Karina J Maradiaga
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA
| | - Shihui Huang
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA
| | - Tania D Weiss
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA
| | - Kenner C Rice
- Drug Design and Synthesis Section, National Institute on Drug Abuse (NIDA), National Institute on Alcohol Abuse and Alcoholism (NIAAA), Bethesda, MD 20892, USA
| | - Anthony L Riley
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Ave, NW, Washington, D. C. 20016, USA.
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Hempel BJ, Crissman ME, Imanalieva A, Melkumyan M, Winston CA, Riley AL. Cross-generational THC Exposure Weakly Attenuates Cocaine's Rewarding Effects in Adult Male Offspring. Physiol Behav 2020; 227:113164. [PMID: 32891609 DOI: 10.1016/j.physbeh.2020.113164] [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: 07/15/2020] [Revised: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 10/23/2022]
Abstract
Adolescents represent a large demographic of marijuana consumers. Regrettably, use during this developmental period has been associated with above average health risks. A growing body of evidence suggests that adolescent drug use in the lifetime of a parent can modify behavior and neurochemistry in descendants without direct exposure. The current study was designed to evaluate the effects of pre-conception THC during adolescence on vulnerability to cocaine in adult male offspring. Male and female rats were given an intermittent THC (0 or 1.5 mg/kg) exposure regimen during the adolescent window and mated with drug group conspecifics in adulthood. F1-THC and F1-Veh pups were cross fostered to drug naïve control dams. In Experiment 1, adult offspring underwent cocaine (0 or 15 mg/kg) locomotor sensitization procedures and showed no effect of parental THC exposure on locomotor activity. In Experiment 2, intravenous catheters were implanted and subjects were tested under a number of reinforcement schedules with cocaine (FR1, FR5, FR10, PR, dose-response, extinction, cue + stress induced reinstatement). F1-THC subjects exhibited a slight decrease in cocaine responding during acquisition and a more rapid extinction, but they failed to produce significant differences on any other measure. These findings indicate that adolescent cannabis use likely has minimal effects on cocaine abuse liability in the next generation.
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Affiliation(s)
- Briana J Hempel
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Behavioral Neuroscience, American University, 4400 Massachusetts Ave NW, Washington, D.C. 20016, USA.
| | - Madeline E Crissman
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Behavioral Neuroscience, American University, 4400 Massachusetts Ave NW, Washington, D.C. 20016, USA
| | - Aikerim Imanalieva
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Behavioral Neuroscience, American University, 4400 Massachusetts Ave NW, Washington, D.C. 20016, USA
| | - Mariam Melkumyan
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Behavioral Neuroscience, American University, 4400 Massachusetts Ave NW, Washington, D.C. 20016, USA
| | - Chloe A Winston
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Behavioral Neuroscience, American University, 4400 Massachusetts Ave NW, Washington, D.C. 20016, USA
| | - Anthony L Riley
- Psychopharmacology Laboratory, Department of Neuroscience, Center for Behavioral Neuroscience, American University, 4400 Massachusetts Ave NW, Washington, D.C. 20016, USA.
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