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Rezayof A, Ghasemzadeh Z, Sahafi OH. Addictive drugs modify neurogenesis, synaptogenesis and synaptic plasticity to impair memory formation through neurotransmitter imbalances and signaling dysfunction. Neurochem Int 2023; 169:105572. [PMID: 37423274 DOI: 10.1016/j.neuint.2023.105572] [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: 04/19/2023] [Revised: 07/01/2023] [Accepted: 07/05/2023] [Indexed: 07/11/2023]
Abstract
Drug abuse changes neurophysiological functions at multiple cellular and molecular levels in the addicted brain. Well-supported scientific evidence suggests that drugs negatively affect memory formation, decision-making and inhibition, and emotional and cognitive behaviors. The mesocorticolimbic brain regions are involved in reward-related learning and habitual drug-seeking/taking behaviors to develop physiological and psychological dependence on the drugs. This review highlights the importance of specific drug-induced chemical imbalances resulting in memory impairment through various neurotransmitter receptor-mediated signaling pathways. The mesocorticolimbic modifications in the expression levels of brain-derived neurotrophic factor (BDNF) and the cAMP-response element binding protein (CREB) impair reward-related memory formation following drug abuse. The contributions of protein kinases and microRNAs (miRNAs), along with the transcriptional and epigenetic regulation have also been considered in memory impairment underlying drug addiction. Overall, we integrate the research on various types of drug-induced memory impairment in distinguished brain regions and provide a comprehensive review with clinical implications addressing the upcoming studies.
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Affiliation(s)
- Ameneh Rezayof
- Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran.
| | - Zahra Ghasemzadeh
- Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Oveis Hosseinzadeh Sahafi
- Department of Neurophysiology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
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2
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Gasparyan A, Maldonado Sanchez D, Navarrete F, Sion A, Navarro D, García-Gutiérrez MS, Rubio Valladolid G, Jurado Barba R, Manzanares J. Cognitive Alterations in Addictive Disorders: A Translational Approach. Biomedicines 2023; 11:1796. [PMID: 37509436 PMCID: PMC10376598 DOI: 10.3390/biomedicines11071796] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 07/30/2023] Open
Abstract
The cognitive decline in people with substance use disorders is well known and can be found during both the dependence and drug abstinence phases. At the clinical level, cognitive decline impairs the response to addiction treatment and increases dropout rates. It can be irreversible, even after the end of drug abuse consumption. Improving our understanding of the molecular and cellular alterations associated with cognitive decline could be essential to developing specific therapeutic strategies for its treatment. Developing animal models to simulate drug abuse-induced learning and memory alterations is critical to continue exploring this clinical situation. The main aim of this review is to summarize the most recent evidence on cognitive impairment and the associated biological markers in patients addicted to some of the most consumed drugs of abuse and in animal models simulating this clinical situation. The available information suggests the need to develop more studies to further explore the molecular alterations associated with cognitive impairment, with the ultimate goal of developing new potential therapeutic strategies.
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Affiliation(s)
- Ani Gasparyan
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | | | - Francisco Navarrete
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - Ana Sion
- Instituto de Investigación i+12, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
- Faculty of Psychology, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Daniela Navarro
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - María Salud García-Gutiérrez
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - Gabriel Rubio Valladolid
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación i+12, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
- Department of Psychiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Rosa Jurado Barba
- Instituto de Investigación i+12, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
- Faculty of Health, Universidad Camilo José Cela, 28001 Madrid, Spain
| | - Jorge Manzanares
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
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Tavassoli M, Ardjmand A. Pentylenetetrazol and Morphine Interaction in a State-dependent Memory Model: Role of CREB Signaling. Basic Clin Neurosci 2021; 11:557-572. [PMID: 33613894 PMCID: PMC7878041 DOI: 10.32598/bcn.11.4.1482.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 09/20/2018] [Accepted: 10/15/2019] [Indexed: 11/20/2022] Open
Abstract
Introduction: State-dependent (STD) memory is a process, in which the learned information can be optimally retrieved only when the subject is in the state similar to the encoding phase. This phenomenon has been widely studied with morphine. Several studies have reported that Pentylenetetrazole (PTZ) impairs memory in experimental animal models. Due to certain mechanistic interactions between morphine and PTZ, it is hypothesized that PTZ may interfere with the morphine-STD. The cyclic adenosine monophosphate Response Element-Binding (CREB) is considered as the main downstream marker for long-term memory. This study was designed to determine the possible interaction between PTZ and morphine STD and the presumable changes in CREB mRNA. Methods: In an Inhibitory Avoidance (IA) model, posttraining morphine (2.5, 5, and 7.5 mg/ kg-i.p.) was used. The pre-test morphine was evaluated for morphine-induced STD memory. Moreover, the effect of a pre-test PTZ (60 mg/kg-i.p.) was studied along with morphine STD. Locomotion testing was carried out using open-field. Eventually, using real-time-PCR, the CREB mRNA changes in the hippocampus were evaluated. Results: Posttraining MOR (7.5 mg/kg-i.p.) impaired IA memory (P<0.001). The pre-test injection of similar doses of morphine recovered the morphine-induced memory impairment (P<0.001). The pre-test PTZ impaired the IA memory recall (P<0.001); however, the pre-test PTZ along with morphine STD potentiated the morphine-induced STD (P<0.001). Alterations in CREB mRNA were observed in all groups. No difference was seen in the locomotor activity. Conclusion: Presumably, the certain interactive effect of PTZ on morphine-induced STD is mediated through gamma-aminobutyric acid and opioid systems via CREB signaling.
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Affiliation(s)
- Marziyeh Tavassoli
- Institute for Basic Sciences, Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Abolfazl Ardjmand
- Institute for Basic Sciences, Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran.,Department of Physiology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
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Suhaimi FW, Hassan Z, Mansor SM, Müller CP. The effects of chronic mitragynine (Kratom) exposure on the EEG in rats. Neurosci Lett 2021; 745:135632. [PMID: 33444671 DOI: 10.1016/j.neulet.2021.135632] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 02/06/2023]
Abstract
Mitragynine is the main alkaloid isolated from the leaves of Mitragyna speciosa Korth (Kratom). Kratom has been widely used to relieve pain and opioid withdrawal symptoms in humans but may also cause memory deficits. Here we investigated the changes in brain electroencephalogram (EEG) activity after acute and chronic exposure to mitragynine in freely moving rats. Vehicle, morphine (5 mg/kg) or mitragynine (1, 5 and 10 mg/kg) were administered for 28 days, and EEG activity was repeatedly recorded from the frontal cortex, neocortex and hippocampus. Repeated exposure to mitragynine increased delta, but decreased alpha powers in both cortical regions. It further decreased delta power in the hippocampus. These findings suggest that acute and chronic mitragynine can have profound effects on EEG activity, which may underlie effects on behavioral activity and cognition, particularly learning and memory function.
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Affiliation(s)
- Farah Wahida Suhaimi
- Centre for Drug Research, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia.
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia
| | - Sharif Mahsufi Mansor
- Centre for Drug Research, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany.
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Zarrindast MR, Khakpai F. State-dependent memory and its modulation by different brain areas and neurotransmitters. EXCLI JOURNAL 2020; 19:1081-1099. [PMID: 33013265 PMCID: PMC7527511 DOI: 10.17179/excli2020-2612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 07/27/2020] [Indexed: 11/10/2022]
Abstract
The state-dependent memory defines as a state that the retrieval of recently obtained information may be potential if the subject exists in a similar physiological situation as for the period of the encoding stage. Studies revealed that exogenous and endogenous compounds could induce state-dependent memory. The state-dependent memory made it probable to differentiate the effects of drugs per se on learning from the effects due to alterations in drug state during the task. Studies proposed the role of regions beyond the limbic formation and illustrated that state-dependent memory produced by various neurotransmitter systems and pharmacological compounds. Our review of the literature revealed that: (a) re-administration of drugs on the same state induce state-dependent memory; (b) many neurotransmitters induce endogenous state-dependent memory; (c) there are cross state-dependent learning and memory between some drugs; (d) some sites of the brain including the CA1 areas of the hippocampus, central nucleus of the amygdala (CeA), septum, ventral tegmental area (VTA), and nucleus accumbens (NAC) are involved in state-dependent memory. See also Figure 1(Fig. 1).
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Affiliation(s)
- Mohammad-Reza Zarrindast
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Khakpai
- Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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Nazari-Serenjeh F, Darbandi N, Majidpour S, Moradi P. Ghrelin modulates morphine-nicotine interaction in avoidance memory: Involvement of CA1 nicotinic receptors. Brain Res 2019; 1720:146315. [DOI: 10.1016/j.brainres.2019.146315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/26/2019] [Accepted: 06/27/2019] [Indexed: 11/29/2022]
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7
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Rouhani F, Khodarahmi P, Naseh V. NGF, BDNF and Arc mRNA Expression in the Hippocampus of Rats After Administration of Morphine. Neurochem Res 2019; 44:2139-2146. [DOI: 10.1007/s11064-019-02851-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 12/21/2022]
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8
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Hamidkhaniha S, Bashiri H, Omidi A, Hosseini‐Chegeni A, Tavangar SM, Sabouri S, Montazeri H, Sahebgharani M. Effect of pretreatment with intracerebroventricular injection of minocycline on morphine‐induced memory impairment in passive avoidance test: Role of P‐
CREB
and c‐Fos expression in the dorsal hippocampus and basolateral amygdala regions. Clin Exp Pharmacol Physiol 2019; 46:711-722. [DOI: 10.1111/1440-1681.13090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 02/24/2019] [Accepted: 03/19/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Shokouh Hamidkhaniha
- Department of Pharmacology School of Medicine Tehran University of Medical Sciences Tehran Iran
| | - Hamideh Bashiri
- Neuroscience Research Center, Institute of Neuropharmacology, Department of Physiology and Pharmacology Afzalipour School of Medicine Kerman University of Medical Sciences Kerman Iran
| | - Ameneh Omidi
- Department of Anatomical Sciences Medical Sciences Faculty Tarbiat Modares University Tehran Iran
| | | | - Seyed Mohammad Tavangar
- Department of Pathology Dr. Shariati Hospital Tehran University of Medical Sciences Tehran Iran
| | - Salehe Sabouri
- Department of Pharmacognosy and Pharmaceutical Biotechnology Faculty of Pharmacy Kerman University of Medical Sciences Kerman Iran
| | - Hamed Montazeri
- School of Pharmacy‐ International Campus Iran University of Medical Sciences Tehran Iran
| | - Mousa Sahebgharani
- Department of Pharmacology School of Medicine Tehran University of Medical Sciences Tehran Iran
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The role of calcium-calmodulin-dependent protein kinase II in modulation of spatial memory in morphine sensitized rats. Behav Brain Res 2018; 359:298-303. [PMID: 30428335 DOI: 10.1016/j.bbr.2018.11.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/06/2018] [Accepted: 11/07/2018] [Indexed: 12/27/2022]
Abstract
It has been shown that drug addiction and memory system are related but the signaling cascades underlying this interaction is not completely revealed yet. It has been demonstrated that binding of Calcium-calmodulin-dependent protein kinase II (CaMKII) to NMDA receptor is important in the memory process. The main objective of the study was to evaluate the role of CaMKII on the spatial memory of rats which previously were sensitized by morphine. The effect of CaMKII inhibitor (KN-93) on memory changes was investigated by hippocampal microinjection of KN-93 on the morphine-sensitized rats. Also, the role of the NMDA receptor in memory retention by KN-93 on the morphine sensitized rat was investigated with NMDA agonist and antagonist. Sensitization was induced by morphine injection (once daily for 3 days) followed by 5 days free of the drug before the trial phase. For the evaluation of spatial memory, the Morris Water Maze test (MWM) was used. Results showed that pre-trial administration of morphine, induced amnesia in MWM (p < 0.05). Also, three days pretreatment with morphine (20 mg/kg) followed by five days washout period, caused to enhance memory retrieval in confront with a pre-trial challenging dose of morphine (5 mg/kg). In addition, KN-93 administration during induction phase in morphine sensitization phenomena facilitated morphine-induced memory retention. In addition, inhibition of the NMDA receptor and KN-93 during the induction phase did not improve memory. However; intra-CA1 co-administration of KN-93 and NMDA during the induction phase of morphine sensitization resulted in improving spatial memory. It can be concluded that the effect of CaMKII on memory retention in morphine-sensitized rats depends on NMDA receptor.
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The dorsal hippocampal group III metabotropic glutamate receptors are involved in morphine effect on memory formation in male mice. Eur J Pharmacol 2018; 836:44-49. [DOI: 10.1016/j.ejphar.2018.08.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 07/21/2018] [Accepted: 08/16/2018] [Indexed: 01/04/2023]
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Ghasemzadeh Z, Rezayof A. Role of hippocampal and prefrontal cortical signaling pathways in dextromethorphan effect on morphine-induced memory impairment in rats. Neurobiol Learn Mem 2016; 128:23-32. [DOI: 10.1016/j.nlm.2015.11.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 11/22/2015] [Accepted: 11/28/2015] [Indexed: 11/29/2022]
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Thomas SA. Neuromodulatory signaling in hippocampus-dependent memory retrieval. Hippocampus 2015; 25:415-31. [PMID: 25475876 DOI: 10.1002/hipo.22394] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/24/2014] [Indexed: 12/15/2022]
Abstract
Considerable advances have been made toward understanding the molecular signaling events that underlie memory acquisition and consolidation. In contrast, less is known about memory retrieval, despite its necessity for utilizing learned information. This review focuses on neuromodulatory and intracellular signaling events that underlie memory retrieval mediated by the hippocampus, for which the most information is currently available. Among neuromodulators, adrenergic signaling is required for the retrieval of various types of hippocampus-dependent memory. Although they contribute to acquisition and/or consolidation, cholinergic and dopaminergic signaling are generally not required for retrieval. Interestingly, while not required for retrieval, serotonergic and opioid signaling may actually constrain memory retrieval. Roles for histamine and non-opioid neuropeptides are currently unclear but possible. A critical effector of adrenergic signaling in retrieval is reduction of the slow afterhyperpolarization mediated by β1 receptors, cyclic AMP, protein kinase A, Epac, and possibly ERK. In contrast, stress and glucocorticoids impair retrieval by decreasing cyclic AMP, mediated in part by the activation of β2 -adrenergic receptors. Clinically, alterations in neuromodulatory signaling and in memory retrieval occur in Alzheimer's disease, Down syndrome, depression, and post-traumatic stress disorder, and recent evidence has begun to link changes in neuromodulatory signaling with effects on memory retrieval.
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Affiliation(s)
- Steven A Thomas
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Torkaman-Boutorabi A, Sheidadoust H, Hashemi-Hezaveh SM, Zarrindast MR. Influence of morphine on medial prefrontal cortex alpha2 adrenergic system in passive avoidance learning in rats. Pharmacol Biochem Behav 2015; 133:92-8. [DOI: 10.1016/j.pbb.2015.03.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 03/08/2015] [Accepted: 03/11/2015] [Indexed: 12/17/2022]
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Tirgar F, Rezayof A, Zarrindast MR. Central amygdala nicotinic and 5-HT1A receptors mediate the reversal effect of nicotine and MDMA on morphine-induced amnesia. Neuroscience 2014; 277:392-402. [DOI: 10.1016/j.neuroscience.2014.07.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Revised: 06/22/2014] [Accepted: 07/11/2014] [Indexed: 11/29/2022]
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Zarrindast MR, Ownegh V, Rezayof A, Ownegh F. The involvement of dorsal hippocampus in dextromethorphan-induced state-dependent learning in mice. Pharmacol Biochem Behav 2014; 116:90-5. [DOI: 10.1016/j.pbb.2013.11.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 11/10/2013] [Accepted: 11/14/2013] [Indexed: 10/26/2022]
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Abstract
This paper is the thirty-fourth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2011 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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Sanday L, Patti CL, Zanin KA, Fernandes-Santos L, Oliveira LC, Kameda SR, Tufik S, Frussa-Filho R. Ethanol-Induced Memory Impairment in a Discriminative Avoidance Task is State-Dependent. Alcohol Clin Exp Res 2012; 37 Suppl 1:E30-9. [DOI: 10.1111/j.1530-0277.2012.01905.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2011] [Accepted: 06/06/2012] [Indexed: 11/27/2022]
Affiliation(s)
- Leandro Sanday
- Departamento de Farmacologia; Universidade Federal de São Paulo; São Paulo; SP; Brasil
| | | | | | | | - Larissa C. Oliveira
- Departamento de Farmacologia; Universidade Federal de São Paulo; São Paulo; SP; Brasil
| | | | - Sergio Tufik
- Departamento de Psicobiologia; Universidade Federal de São Paulo; São Paulo; SP; Brasil
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Zarrindast MR, Aghamohammadi-Sereshki A, Rezayof A, Rostami P. Nicotine-induced anxiogenic-like behaviours of rats in the elevated plus-maze: possible role of NMDA receptors of the central amygdala. J Psychopharmacol 2012; 26:555-63. [PMID: 21948937 DOI: 10.1177/0269881111412094] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The objective of the present study was to investigate the possible role of the N-methyl-D-aspartate (NMDA) receptor system of the central amygdala (CeA) in the anxiogenic-like effect of nicotine. Male Wistar rats with cannulas aimed to the CeA were submitted to the elevated plus-maze (EPM). Intraperitoneal (i.p.) injections of nicotine (0.6 and 0.8 mg/kg) decreased percentage open arm time spent (%OAT) and percentage open arm entries (%OAE), but not locomotor activity, indicating an anxiogenic-like response. Bilateral intra-CeA microinjection of NMDA (0.005-0.1 μ g/rat) decreased %OAT, but not %OAE and locomotor activity. Moreover, intra-CeA microinjection of NMDA (0.05 μ g) with an ineffective dose of nicotine (0.4 mg/kg, i.p.) reduced %OAT and %OAE without effect on locomotor activity. On the other hand, intra-CeA microinjection of the NMDA receptor antagonist D-AP5 (0.05-0.5 μ g/rat) increased both %OAT and %OAE, showing an anxiolytic-like effect of the drug. Co-administration of the same doses of D-AP5 with nicotine (0.6 mg/kg, i.p.) increased %OAT and %OAE, but not locomotor activity. Intra-CeA microinjection of D-AP5 reversed the response induced by NMDA (0.1 μ g/rat) in the EPM. The results may support the possible involvement of glutamate transmission, through NMDA receptors of central amygdala in the anxiogenic-like effect of nicotine in the EPM task.
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Affiliation(s)
- Mohammad Reza Zarrindast
- Department of Neuroscience, School of Advanced Medical Technologies and Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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