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Amiri S, Jafari-Sabet M, Keyhanfar F, Falak R, Shabani M, Rezayof A. Hippocampal and prefrontal cortical NMDA receptors mediate the interactive effects of olanzapine and lithium in memory retention in rats: the involvement of CAMKII-CREB signaling pathways. Psychopharmacology (Berl) 2020; 237:1383-1396. [PMID: 31984447 DOI: 10.1007/s00213-020-05465-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 01/16/2020] [Indexed: 12/20/2022]
Abstract
RATIONALE Treatment of bipolar disorder (BPD) with lithium and olanzapine concurrent administration is a major medicine issue with the elusive neurobiological mechanisms underlying the cognitive function. OBJECTIVE To clarify the precise mechanisms involved, the possible role of the hippocampus (HPC) and prefrontal cortical (PFC) NMDA receptors and CAMKII-CREB signaling pathway in the interactive effects of lithium and olanzapine in memory consolidation was evaluated. The dorsal hippocampal CA1 regions of adult male Wistar rats were bilaterally cannulated and a step-through inhibitory avoidance apparatus was used to assess memory consolidation. The changes in p-CAMKII/CAMKII and p-CREB/CREB ratio in the HPC and the PFC were measured by Western blot analysis. RESULTS Post-training administration of lithium (20, 30, and 40 mg/kg, i.p.) dose-dependently decreased memory consolidation whereas post-training administration olanzapine (2 and 5 mg/kg, i.p.) increased memory consolidation. Post-training administration of certain doses of olanzapine (1, 2, and 5 mg/kg, i.p.) dose-dependently improved lithium-induced memory impairment. Post-training administration of ineffective doses of the NMDA (10-5 and 10-4 μg/rat, intra-CA1) plus an ineffective dose of olanzapine (1 mg/kg, i.p.) dose-dependently improved the lithium-induced memory impairment. Post-training microinjection of ineffective doses of the NMDA (10-5 and 10-4 μg/rat, intra-CA1) dose-dependently potentiated the memory improvement induced by olanzapine (1 mg/kg, i.p.) on lithium-induced memory impairment which was associated with the enhancement of the levels of p-CAMKII and p-CREB in the HPC and the PFC. Post-training microinjection of ineffective doses of the noncompetitive NMDA receptor antagonist, MK-801 (0.0625 and 0.0125 μg/rat, intra-CA1), dose-dependently decreased the memory improvement induced by olanzapine (5 mg/kg, i.p.) on lithium-induced memory impairment which was related to the reduced levels of HPC and PFC CAMKII-CREB. CONCLUSION The results strongly revealed that there is a functional interaction among lithium and olanzapine through the HPC and the PFC NMDA receptor mechanism in memory consolidation which is mediated with the CAMKII-CREB signaling pathway.
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Affiliation(s)
- Shiva Amiri
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Jafari-Sabet
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Fariborz Keyhanfar
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Falak
- Immunology Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Shabani
- Kerman Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
| | - Ameneh Rezayof
- Department of Animal Biology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
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Parsaei L, Torkaman-Boutorabi A, Asadi F, Zarrindast MR. Interaction between dorsal hippocampal NMDA receptors and lithium on spatial learning consolidation in rats. Brain Res Bull 2016; 127:1-10. [DOI: 10.1016/j.brainresbull.2016.07.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Revised: 07/04/2016] [Accepted: 07/18/2016] [Indexed: 10/21/2022]
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Leão LKR, Herculano AM, Maximino C, Brasil Costa A, Gouveia A, Batista EO, Rocha FF, Crespo-Lopez ME, Borges R, Oliveira K. Mauritia flexuosa L. protects against deficits in memory acquisition and oxidative stress in rat hippocampus induced by methylmercury exposure. Nutr Neurosci 2016; 20:297-304. [PMID: 26869022 DOI: 10.1080/1028415x.2015.1133030] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Methylmercury (MeHg) is the most toxic form of mercury that can affect humans through the food chain by bioaccumulation. Human organism is capable of triggering visual and cognitive disorders, neurodegeneration, as well as increased production of reactive species of O2 and depletion of natural anti-oxidant agents. In this context, Mauritia flexuosa L., a fruit rich in compounds with anti-oxidant properties, emerged as an important strategy to prevent the MeHg damages. So, this work has aimed to elucidate the protective effect of Mauritia flexuosa L. on the damage caused by the exposure of rats to MeHg. METHODS In order to evaluate the effect of MeHg on rat aversive memory acquisition and panic-like behavior, we have used elevated T-maze apparatus and after behavioral test, the hippocampus was removed to perfom lipid peroxidation. RESULTS Our results demonstrated that the exposure to MeHg caused deficits in inhibitory avoidance acquisition (aversive conditioning) and in the learning process, and increased levels of lipid peroxidation in hippocampus tissue. However, the pretreatment with feed enriched with Mauritia flexuosa L. showed a protective effect against cognitive deficits caused by MeHg and also prevented the occurrence of cytoplasmic membrane damage induced by lipid peroxidation in the hippocampal region. DISCUSSION Therefore, this study suggests that Mauritia flexuosa L. represents an important strategy to prevent neurocytotoxics and behavioral effects of MeHg.
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Affiliation(s)
- Luana K R Leão
- a Laboratório de Neuroendocrinologia, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
| | - Anderson M Herculano
- a Laboratório de Neuroendocrinologia, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
| | - Caio Maximino
- a Laboratório de Neuroendocrinologia, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
| | - Alódia Brasil Costa
- a Laboratório de Neuroendocrinologia, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
| | - Amauri Gouveia
- b Laboratório de Neurociências e Comportamento, Núcleo de Teoria e Pesquisa do Comportamento , Universidade Federal do Pará , Brazil
| | - Evander O Batista
- c Laboratório de Protozoologia, Núcleo de Medicina Tropical , Universidade Federal do Pará , Brazil
| | - Fernando F Rocha
- d Laboratório de Neurofisiologia Eduardo Oswaldo Cruz, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
| | - Maria Elena Crespo-Lopez
- e Laboratório de Farmacologia Molecular, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
| | - Rosivaldo Borges
- f Laboratório de Química Farmacêutica, Faculdade de Farmácia, Instituto de Ciências da Saúde , Universidade Federal do Pará , Brazil
| | - Karen Oliveira
- a Laboratório de Neuroendocrinologia, Instituto de Ciências Biológicas , Universidade Federal do Pará , Brazil
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Zhao-Shea R, DeGroot SR, Liu L, Vallaster M, Pang X, Su Q, Gao G, Rando OJ, Martin GE, George O, Gardner PD, Tapper AR. Increased CRF signalling in a ventral tegmental area-interpeduncular nucleus-medial habenula circuit induces anxiety during nicotine withdrawal. Nat Commun 2015; 6:6770. [PMID: 25898242 PMCID: PMC4405813 DOI: 10.1038/ncomms7770] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Accepted: 02/25/2015] [Indexed: 02/08/2023] Open
Abstract
Increased anxiety is a prominent withdrawal symptom in abstinent smokers, yet the neuroanatomical and molecular bases underlying it are unclear. Here we show that withdrawal-induced anxiety increases activity of neurons in the interpeduncular intermediate (IPI), a subregion of the interpeduncular nucleus (IPN). IPI activation during nicotine withdrawal was mediated by increased corticotropin releasing factor (CRF) receptor-1 expression and signalling, which modulated glutamatergic input from the medial habenula (MHb). Pharmacological blockade of IPN CRF1 receptors or optogenetic silencing of MHb input reduced IPI activation and alleviated withdrawal-induced anxiety; whereas IPN CRF infusion in mice increased anxiety. We identified a mesointerpeduncular circuit, consisting of ventral tegmental area (VTA) dopaminergic neurons projecting to the IPN, as a potential source of CRF. Knockdown of CRF synthesis in the VTA prevented IPI activation and anxiety during nicotine withdrawal. These data indicate that increased CRF receptor signalling within a VTA-IPN-MHb circuit triggers anxiety during nicotine withdrawal.
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Affiliation(s)
- Rubing Zhao-Shea
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Steven R. DeGroot
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Liwang Liu
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Markus Vallaster
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Xueyan Pang
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Qin Su
- Gene Therapy Center and Department of Microbiology and Physiology Systems, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Guangping Gao
- Gene Therapy Center and Department of Microbiology and Physiology Systems, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Oliver J. Rando
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Gilles E. Martin
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Olivier George
- Committee on the Neurobiology of Addictive Disorders, The Scripps Research Institute, La Jolla, California, 92037
| | - Paul D. Gardner
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
| | - Andrew R. Tapper
- Brudnick Neuropsychiatric Research Institute, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA 01604, USA
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Foroozandeh E, Derakhshan-Barjoei P, Jadidi M. Toxic effects of 50 Hz electromagnetic field on memory consolidation in male and female mice. Toxicol Ind Health 2012; 29:293-9. [DOI: 10.1177/0748233711433931] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this study, the effect of exposure to an 8 mT, 50 Hz extremely low-frequency electromagnetic field (ELF EMF) on memory consolidation of adult male and female mice was studied. For this purpose male and female mice were randomly distributed among six groups ( n = 10 in each group). Using passive avoidance task, despite its natural tendency, mouse learns to stay on a small platform to avoidant electric shock. Immediately after the learning session, laboratory animals in the experimental groups were placed in an 8 mT, 50 Hz sinusoidal EMF for 4 h. The second male and female groups were sham exposed (exposure device off) and the third groups were considered as the controls. Twenty-four hours after the learning session, the animals were placed on small platform again and step-down latency was measured as the memory consolidation index. Significant ( p < 0.05) decreases were determined among groups in memory function and results showed that exposure to an 8 mT, 50 Hz EMF for 4 h has devastating effects on memory consolidation in male and female mice.
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Affiliation(s)
- Elham Foroozandeh
- Department of Psychology, Young Researchers Club, Naein Branch, Islamic Azad University, Iran
| | - Pouya Derakhshan-Barjoei
- Department of Electrical Engineering, Young Researchers Club, Naein Branch, Islamic Azad University, Iran
| | - Mohsen Jadidi
- Department of Psychology, Young Researchers Club, Bandargaz Branch, Islamic Azad University, Iran
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Xu X, Li T, Luo Q, Hong X, Xie L, Tian D. Bisphenol-A rapidly enhanced passive avoidance memory and phosphorylation of NMDA receptor subunits in hippocampus of young rats. Toxicol Appl Pharmacol 2011; 255:221-8. [DOI: 10.1016/j.taap.2011.06.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Revised: 06/27/2011] [Accepted: 06/28/2011] [Indexed: 02/01/2023]
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Kiyani A, Javadi-Paydar M, Mohammadkhani H, Esmaeili B, Dehpour AR. Lithium chloride disrupts consolidation of morphine-induced conditioned place preference in male mice: the nitric oxide/cyclic GMP signaling pathway. Behav Brain Res 2011; 219:240-7. [PMID: 21241742 DOI: 10.1016/j.bbr.2011.01.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2010] [Revised: 12/29/2010] [Accepted: 01/10/2011] [Indexed: 12/21/2022]
Abstract
Lithium effects on brain functions such as cognition, attention, learning and memory are well-established for ages; however, the way it affects these functions and its precise mechanism of action remains unknown. The purpose of this study was to determine the effects of lithium on the consolidation of morphine-associated conditioned place preference and the possible involvement of the NO/cGMP pathway. Using an unbiased conditioned place preference (CPP) model, the effects of lithium (1-100 mg/kg, i.p.), nitric oxide synthase inhibitor NG-nitro-L-arginine methyl ester (L-NAME) (5-100 mg/kg, i.p.), nitric oxide precursor L-arginine (50-150 mg/kg, i.p.) and phosphodiesterase inhibitor sildenafil (5-40 mg/kg, i.p.) on the consolidation of morphine-induced CPP were assessed. In addition, the possible interaction between lithium, L-arginine and sildenafil or subeffective doses of lithium and L-NAME on the consolidation of morphine-induced contextual memory was evaluated. NMRI mice were used in all studies. Lithium (5-30 mg/kg, i.p.), immediately after conditioning trials, significantly reduced the time spent by mice in the reward-paired compartment. Although post-training administration of L-arginine, sildenafil or L-NAME had no significant effect on the consolidation of CPP, concomitant administration of L-arginine (50-150 mg/kg) and sildenafil (5-10 mg/kg) with lithium (30 mg/kg) prevented the impairing effect of lithium. Also, co-administration of sub-effective doses of lithium (1 mg/kg) and L-NAME (5 mg/kg) disrupted consolidation of CPP. However, delayed administration of effective doses of lithium, which shows specific effect on memory consolidation, did not affect morphine-induced CPP. Lithium seems to inhibit consolidation of morphine-induced CPP and this impairing effect might be via nitric oxide/cyclic GMP pathway.
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Affiliation(s)
- Amirali Kiyani
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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