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Alasmari F, Sari DB, Alhaddad H, Al-Rejaie SS, Sari Y. Interactive role of acid sensing ion channels and glutamatergic system in opioid dependence. Neurosci Biobehav Rev 2022; 135:104581. [PMID: 35181397 DOI: 10.1016/j.neubiorev.2022.104581] [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: 11/11/2021] [Revised: 02/03/2022] [Accepted: 02/12/2022] [Indexed: 11/21/2022]
Abstract
Dysregulation in glutamatergic receptors and transporters has been found to mediate drugs of abuse, including morphine. Among glutamate receptors, ionotropic glutamate receptors (iGluRs) are altered with exposure to drugs of abuse. Acid-sensing ion channels (ASICs) are ligand (H+)-gated channels, which are expressed at the excitatory synaptic clefts and play a role in drug dependence. Overexpression of a specific ASIC subtype, ASIC1a, attenuated reinstatement of cocaine. ASICs are revealed to be involved in cocaine and morphine seeking behaviors, and these effects are mediated through modulation of glutamatergic receptors. In this review, we discussed the interactive role of ASICs and glutamate receptors, mainly iGluRs, in opioid dependence. ASICs are also expressed in astrocytes and are suggested to be involved on regulating glutamate uptake. However, little is known about the coupling between ASICs and the astroglial glutamate transporters. In addition, this review discussed the role of nitric oxide in the modulation of ASIC function and potentially opioid dependence. We also discussed the role of ASICs in the modulation of the function of both glutamatergic receptors in post-synaptic neurons and glutamatergic transporters in astrocytes in animals exposed to drugs of abuse.
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Affiliation(s)
- Fawaz Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia; Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA.
| | - Deen B Sari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA
| | - Hasan Alhaddad
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA
| | - Salim S Al-Rejaie
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Youssef Sari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia; Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA.
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Wing VC, Cagniard B, Murphy NP, Shoaib M. Measurement of affective state during chronic nicotine treatment and withdrawal by affective taste reactivity in mice: the role of endocannabinoids. Biochem Pharmacol 2009; 78:825-35. [PMID: 19540830 DOI: 10.1016/j.bcp.2009.06.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2009] [Revised: 06/05/2009] [Accepted: 06/12/2009] [Indexed: 11/26/2022]
Abstract
Despite tobacco being highly addictive, it is unclear if nicotine has significant affective properties. To address this, we studied taste reactions to gustatory stimuli, palatable sucrose and unpalatable quinine, which are believed to reflect ongoing affective state. Taste reactivity was assessed during chronic nicotine administration and spontaneous withdrawal and the role of the endogenous cannabinoids was also investigated. C57BL6J mice were implanted with intraoral fistula to allow passive administration of solutions. In the first study, taste reactivity was tracked throughout chronic vehicle or nicotine (12 mg/kg/day) infusion via osmotic minipumps and spontaneous withdrawal following removal of minipumps. In the second study, the endocannabinoid CB1-receptor antagonist AM251 (1, 3 and 10mg/kg, intraperitoneal) or vehicle was acutely administered before taste reactivity measurement during chronic nicotine administration. Chronic nicotine treatment and spontaneous withdrawal did not influence taste reactions to sucrose or quinine. AM251 decreased positive reactions to sucrose and increased negative reactions to quinine. The effects of AM251 were respectively attenuated and enhanced in nicotine infused mice. These results suggest chronic nicotine exposure and withdrawal has no apparent affective sequelae, as probed by taste reactivity, and thus may not explain the difficulty tobacco-users have in achieving abstinence. In contrast, endocannabinoids elevate affective state in drug-naïve animals and changes in endogenous endocannabinoid tone may underlie compensations in affective state during chronic nicotine exposure.
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Affiliation(s)
- Victoria C Wing
- Psychobiology Research Laboratories, Institute of Neuroscience, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
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Both FL, Meneghini L, Kerber VA, Henriques AT, Elisabetsky E. Role of glutamate and dopamine receptors in the psychopharmacological profile of the indole alkaloid psychollatine. JOURNAL OF NATURAL PRODUCTS 2006; 69:342-5. [PMID: 16562831 DOI: 10.1021/np050291v] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Psychollatine (1), a new glycoside indole monoterpene alkaloid isolated from Psychotria umbellata, has shown an interesting psychopharmacological profile. This study aimed to investigate the role of NMDA glutamate and dopamine receptors in mediating the properties of 1. Psychollatine (1) was assessed for NMDA-induced seizures, MK-801-induced hyperlocomotion, amphetamine-induced lethality, and apomorphine-induced climbing behavior in mice. Psychollatine (1) (100 mg/kg) and MK-801 (0.3 mg/kg) prevented NMDA-induced seizures (P < 0.01), while 1 (100 mg/kg) attenuated the MK-801-induced hyperlocomotion (P < 0.05). Compound 1 (3 and 10 mg/kg), as well as chlorpromazine (4 mg/kg), prevented amphetamine-induced lethality (P < 0.05). Finally, 1 (10 mg/kg) (P < 0.05), MK-801 (0.2 mg/kg) (P < 0.01), and chlorpromazine (4 mg/kg) (P < 0.01) attenuated apomorphine-induced climbing behavior. The present results strongly support the involvement of NMDA glutamate receptors in the mode of action of psychollatine (1).
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Affiliation(s)
- Fernanda L Both
- Curso de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS, Brazil
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Bisaga A, Popik P. In search of a new pharmacological treatment for drug and alcohol addiction: N-methyl-D-aspartate (NMDA) antagonists. Drug Alcohol Depend 2000; 59:1-15. [PMID: 10706971 DOI: 10.1016/s0376-8716(99)00107-6] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The most challenging aspect of treating alcohol and drug addiction is the relapsing course of these disorders. Although substitution therapies for nicotine and opioid dependence have proven to be relatively effective, there is a need for new pharmacotherapies designed to decrease the frequency and severity of relapse. The aim of this paper is to provide an overview of the potential utility of N-methyl-D-aspartate (NMDA) receptor antagonists as treatments for substance abuse as shown in preclinical models and preliminary clinical trials. It is hypothesized that NMDA receptors mediate the common adaptive processes that are involved the development, maintenance, and expression of drug and alcohol addiction. Modulation of glutamatergic neurotransmission with NMDA receptor antagonists offers a novel treatment approach. It is proposed that NMDA antagonists may have multiple functions in treating addictions, including an attenuation of withdrawal effects, normalization of the affective changes following initiation of abstinence which arise from neurochemical changes resulting from chronic addiction, and an attenuation of conditioned responses arising from drug-related stimuli.
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Affiliation(s)
- A Bisaga
- Department of Psychiatry, College of Physicians and Surgeons, Columbia University, 722 West 168th Street, New York, NY 10032, USA.
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Domino EF, Ni L, Zhang H. Nicotine alone and in combination with L-DOPA methyl ester or the D(2) agonist N-0923 in MPTP-induced chronic hemiparkinsonian monkeys. Exp Neurol 1999; 158:414-21. [PMID: 10415147 DOI: 10.1006/exnr.1999.7106] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Nicotine, the soluble methyl ester of L-DOPA, and the D(2) agonist N-0923 were given alone and in combination im to five hemiparkinsonian monkeys. Daily nicotine in doses of 32-320 micrograms/kg for 6 days each, surprisingly, had slight effects on motor activity. When combined with N-0923, nicotine did not further enhance its effects. However, L-DOPA methyl ester plus nicotine produced greater contraversive circling than L-DOPA methyl ester plus 0.9% NaCl. Similar effects were obtained on significant motor movements of both the affected (contralateral) and normal (ipsilateral) arm and hand. The results indicate that nicotine is synergistic with l-DOPA methyl ester, but not with the postsynaptic D(2) agonist N-0923.
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Affiliation(s)
- E F Domino
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, 48109-0632, USA
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Fernandes C, File SE. Dizocilpine does not prevent the development of tolerance to the anxiolytic effects of diazepam in rats. Brain Res 1999; 815:431-4. [PMID: 9878864 DOI: 10.1016/s0006-8993(98)01160-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The non-competitive NMDA receptor antagonist, dizocilpine (0.25 mg/kg), has previously been shown to block the development of tolerance to the sedative effects of diazepam (2 mg/kg). Since there is considerable evidence that different mechanisms underlie the development of tolerance to the sedative and anxiolytic effects of diazepam, the present experiment examined whether dizocilpine would block the development of tolerance to diazepam's anxiolytic effects. Rats tested after an acute dose of diazepam (2 mg/kg) showed an anxiolytic effect, measured by an increase in the time spent in social interaction, whereas those tested after 21 days of treatment had scores equal to the control group. This development of tolerance was not blocked by concomitant administration of dizocilpine (0.25 mg/kg). Thus, these results provide further evidence that the mechanism underlying tolerance to the anxiolytic effects of diazepam is different from that underlying tolerance to the sedative effects.
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Affiliation(s)
- C Fernandes
- Psychopharmacology Research Unit, Neuroscience Research Centre, GKT School of Biomedical Sciences, King's College London, Hodgrin Building, Guy's Campus, London, SE1 9RT, UK
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Tzschentke TM, Schmidt WJ. Does the noncompetitive NMDA receptor antagonist dizocilpine (MK801) really block behavioural sensitization associated with repeated drug administration? Trends Pharmacol Sci 1998; 19:447-51. [PMID: 9850608 DOI: 10.1016/s0165-6147(98)01255-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The term 'behavioural sensitization' refers to the progressively augmented behavioural response that is produced by many drugs of abuse upon their repeated administration. From most of the available data, it has been concluded that co-administration of an N-methyl-D-aspartate (NMDA) receptor antagonist [such as dizocilpine (MK801)] together with the sensitizing drug can block the development of behavioural sensitization. However, the picture might not be that simple. Recent experimental evidence suggests that instead of blocking sensitization, co-administration of dizocilpine enhances the effect of the the sensitizing drug or has more complex effects on the development of sensitization. In this article, Thomas Tzschentke and Werner Schmidt present these two different views and emphasize that the conclusions that can be drawn from sensitization experiments about the effects of dizocilpine and related drugs on behavioural plasticity crucially depend on how, when and under what conditions a test for sensitization is conducted.
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Affiliation(s)
- T M Tzschentke
- Department of Neuropharmacology, Zoological Institute, University of Tübingen, Germany
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Helton DR, Tizzano JP, Monn JA, Schoepp DD, Kallman MJ. LY354740: a metabotropic glutamate receptor agonist which ameliorates symptoms of nicotine withdrawal in rats. Neuropharmacology 1997; 36:1511-6. [PMID: 9517421 DOI: 10.1016/s0028-3908(97)00170-6] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
LY354740 is a conformationally constrained analog of glutamate with high selectivity and nanomolar agonist activity at Group II metabotropic glutamate receptors (mGluRs). This orally active compound is a new drug candidate which is being developed for the treatment of anxiety. In this study, LY354740 was investigated in a model of nicotine withdrawal using the acoustic startle reflex (sensorimotor reactivity) in rats. Nicotine (6 mg/kg/day) was administered for 12 days subcutaneously by osmotic minipumps. After 12 days the pumps were removed and the animals were allowed to go through spontaneous withdrawal. Cessation of chronic nicotine exposure led to increased startle responding for 4 days following withdrawal. Treatment with LY354740 (0.0001-0.1 mg/kg, i.p.; 0.03-3 mg/kg, oral) produced a dose-dependent attenuation of the enhanced auditory startle responding following withdrawal of nicotine with intraperitoneal and oral ED50 values of 0.003 mg/kg and 0.7 mg/kg, respectively. These effects were stereoselective since the (-)-enantiomer of LY354740, LY366563, was without effect in this model. LY354740 produced no changes in the sensorimotor reactivity of rats not exposed to nicotine at oral doses up to 10 mg/kg. These data support the functional role of mGluR agonists in nicotine withdrawal and indicate that LY354740 may be efficacious in reducing the symptoms associated with nicotine withdrawal during smoking cessation in humans.
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Affiliation(s)
- D R Helton
- Lilly Research Laboratories, Eli Lilly and Company, Greenfield, IN 46140, USA
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