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Prokudina OI, Alekhina TA. Effect of D-serine on Anxiety-like Behavior and Spatial Learning Ability in GC Rats Selected for the Predisposition to Catatonic Reactions. J EVOL BIOCHEM PHYS+ 2021. [DOI: 10.1134/s0022093021060077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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2
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Kohek SRB, Foresti ML, Blanco MM, Cavarsan CF, da Silva CS, Mello LE. Anxious Profile Influences Behavioral and Immunohistological Findings in the Pilocarpine Model of Epilepsy. Front Pharmacol 2021; 12:640715. [PMID: 34025410 PMCID: PMC8132119 DOI: 10.3389/fphar.2021.640715] [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: 12/11/2020] [Accepted: 03/22/2021] [Indexed: 12/01/2022] Open
Abstract
Anxiety and epilepsy have a complex bidirectional relationship, where a depressive/anxious condition is a factor that can trigger seizures which in turn can aggravate the depressive/anxious condition. In addition, brain structures such as the hippocampus and amygdala might have a critical relevance in both epilepsy and anxiety. The aim of the present work was to investigate the influence of different anxious profiles to epileptogenesis. Initially, animals were screened through the elevated plus-maze anxiety test, and then seizure development was evaluated using the pilocarpine model of epilepsy. There were no differences in the susceptibility to status epilepticus, mortality rate or frequency of spontaneous recurrent seizures between animals characterized as anxious as compared to the non-anxious animals. Next, we evaluated immunohistological patterns related to seizures and anxiety in various related brain areas. Despite a decrease in the density of neuropeptide Y and parvalbumin expression in epileptic animals, those presenting greater neuropeptide Y immunoreactivity in various brain regions, also showed higher spontaneous recurrent seizures frequency. Differences on the anxious profile showed to interfere with some of these findings in some regions. In addition, animals that were injected with pilocarpine, but did not develop status epilepticus, had behavioral and neuroanatomical alterations as compared to control animals, indicating its importance as an additional tool for investigating the heterogeneity of the epileptogenic response after an initial insult. This study allowed to better understand the association between anxiety and temporal lobe epilepsy and might allow for therapeutic targets to be developed to minimize the negative impacts associated with it.
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Affiliation(s)
| | | | | | - Clarissa Fantin Cavarsan
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI, United States.,George and Anne Ryan Institute for Neuroscience, University of Rhode Island, Kingston, RI, United States
| | | | - Luiz E Mello
- Physiology Department, Universidade Federal de São Paulo, São Paulo, Brazil.,Instituto D' Or de Pesquisa e Ensino, Rio de Janeiro, Brazil
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Wellman LL, Fitzpatrick ME, Sutton AM, Williams BL, Machida M, Sanford LD. Antagonism of corticotropin releasing factor in the basolateral amygdala of resilient and vulnerable rats: Effects on fear-conditioned sleep, temperature and freezing. Horm Behav 2018; 100:20-28. [PMID: 29501756 PMCID: PMC5949089 DOI: 10.1016/j.yhbeh.2018.02.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 02/26/2018] [Accepted: 02/28/2018] [Indexed: 10/17/2022]
Abstract
The basolateral nucleus of the amygdala (BLA) plays a significant role in mediating individual differences in the effects of fear memory on sleep. Here, we assessed the effects of antagonizing corticotropin releasing factor receptor 1 (CRFR1) after shock training (ST) on fear-conditioned behaviors and sleep. Outbred Wistar rats were surgically implanted with electrodes for recording EEG and EMG and with bilateral guide cannulae directed at BLA. Data loggers were placed intraperitoneally to record core body temperature. The CRFR1 antagonist, antalarmin (ANT; 4.82 mM) was microinjected into BLA after shock training (ST: 20 footshocks, 0.8 mA, 0.5 s duration, 60 s interstimulus interval), and the effects on sleep, freezing and the stress response (stress-induced hyperthermia, SIH) were examined after ST and fearful context re-exposure alone at 7 days (CTX1) and 21 days (CTX2) post-ST. EEG and EMG recordings were scored for non-rapid eye movement sleep (NREM), rapid eye movement sleep (REM) and wakefulness. The rats were separated into 4 groups: Vehicle-vulnerable (Veh-Vul; n = 10), Veh-resilient (Veh-Res; n = 11), ANT-vulnerable (ANT-Vul; n = 8) and ANT-resilient (ANT-Res; n = 8) based on whether, compared to baseline, the rats showed a decrease or no change/increase in REM during the first 4 h following ST. Post-ST ANT microinjected into BLA attenuated the fear-conditioned reduction in REM in ANT-Vul rats on CTX1, but did not significantly alter REM in ANT-Res rats. However, compared to Veh treated rats, REM was reduced in ANT treated rats on CTX2. There were no group differences in freezing or SIH across conditions. Therefore, CRFR1 in BLA plays a role in mediating individual differences in sleep responses to stress and in the extinction of fear conditioned changes in sleep.
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Affiliation(s)
- Laurie L Wellman
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Mairen E Fitzpatrick
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Amy M Sutton
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Brook L Williams
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Mayumi Machida
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Larry D Sanford
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA.
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Karel P, Calabrese F, Riva M, Brivio P, Van der Veen B, Reneman L, Verheij M, Homberg J. d-Cycloserine enhanced extinction of cocaine-induced conditioned place preference is attenuated in serotonin transporter knockout rats. Addict Biol 2018; 23:120-129. [PMID: 27957784 DOI: 10.1111/adb.12483] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 10/14/2016] [Accepted: 11/15/2016] [Indexed: 12/01/2022]
Abstract
d-Cycloserine (DCS), a partial NMDA receptor agonist, has been proposed as a cognitive enhancer to facilitate the extinction of drug-related memories. However, it is unknown whether there are individual differences in the efficacy of DCS. Here, we set out to investigate the influence of serotonin transporter (5-HTT) genotype on DCS treatment outcome and the underlying neural mechanism. To that end, we first determined the mRNA levels of several NMDA receptor subunits and observed a reduction in NR1/NR2C receptors in the ventromedial prefrontal cortex and nucleus accumbens of 5-HTT-/- compared with 5-HTT+/+ rats. Based on this finding, we hypothesized a lower sensitivity to DCS in the 5-HTT-/- rats. To test this, rats were trained in a cocaine-induced conditioned place preference (CPP) paradigm. A significant extinction of CPP was observed in 5-HTT+/+ rats receiving 1 mg/kg i.v. DCS, while a similar effect was found in the 5-HTT-/- rats only after 5 mg/kg. Following CPP, we tested if DCS were able to reduce FosB/∆FosB protein expression, a molecular switch for cocaine-seeking behaviour. We observed an overall lower number of FosB/∆FosB positive cells in 5-HTT-/- ventromedial prefrontal cortex and amygdala and an overall effect of DCS treatment on the number of positive cells in the nucleus accumbens. In conclusion, in this study, we show that the dosing of DCS to facilitate the extinction of cocaine-seeking behaviour is, at least partially, determined by 5-HTT genotype.
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Affiliation(s)
- Peter Karel
- Department of Cognitive Neuroscience, Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour; Radboudumc; The Netherlands
| | - Francesca Calabrese
- Department of Pharmacological and Biomolecular Sciences; Universita'degli Studi di Milano; Italy
| | - Marco Riva
- Department of Pharmacological and Biomolecular Sciences; Universita'degli Studi di Milano; Italy
| | - Paola Brivio
- Department of Pharmacological and Biomolecular Sciences; Universita'degli Studi di Milano; Italy
| | - Bas Van der Veen
- Department of Cognitive Neuroscience, Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour; Radboudumc; The Netherlands
| | - Liesbeth Reneman
- Department of Radiology, Academic Medical Center; University of Amsterdam; The Netherlands
| | - Michel Verheij
- Department of Cognitive Neuroscience, Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour; Radboudumc; The Netherlands
| | - Judith Homberg
- Department of Cognitive Neuroscience, Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour; Radboudumc; The Netherlands
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Taherian R, Arabahmadi M, Taherian M. Investigation of the Effect of Cycloserine on Motor Function in a Rat Model of Parkinson’s disease. CASPIAN JOURNAL OF NEUROLOGICAL SCIENCES 2017. [DOI: 10.29252/nirp.cjns.3.11.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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Abuhamdah R, Hussain M, Chazot P, Ennaceur A. Pre-training in a radial arm maze abolished anxiety and impaired habituation in C57BL6/J mice treated with dizocilpine. Physiol Behav 2016; 164:353-60. [DOI: 10.1016/j.physbeh.2016.06.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 06/11/2016] [Accepted: 06/14/2016] [Indexed: 01/28/2023]
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Wellman LL, Fitzpatrick ME, Hallum OY, Sutton AM, Williams BL, Sanford LD. Individual Differences in Animal Stress Models: Considering Resilience, Vulnerability, and the Amygdala in Mediating the Effects of Stress and Conditioned Fear on Sleep. Sleep 2016; 39:1293-303. [PMID: 27091518 DOI: 10.5665/sleep.5856] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 03/05/2016] [Indexed: 11/03/2022] Open
Abstract
STUDY OBJECTIVES To examine the REM sleep response to stress and fearful memories as a potential marker of stress resilience and vulnerability and to assess the role of the basolateral amygdala (BLA) in mediating the effects of fear memory on sleep. METHODS Outbred Wistar rats were surgically implanted with electrodes for recording EEG and EMG and with bilateral guide cannulae directed at the BLA. Data loggers were placed intraperitoneally to record core body temperature. After recovery from surgery, the rats received shock training (ST: 20 footshocks, 0.8 mA, 0.5-s duration, 60-s interstimulus interval) and afterwards received microinjections of the GABAA agonist muscimol (MUS; 1.0 μM) to inactivate BLA or microinjections of vehicle (VEH) alone. Subsequently, the rats were separated into 4 groups (VEH-vulnerable (VEH-Vul; n = 14), VEH-resilient (VEH-Res; n = 13), MUS-vulnerable (MUS-Vul; n = 8), and MUS-resilient (MUS-Res; n = 11) based on whether or not REM was decreased, compared to baseline, during the first 4 h following ST. We then compared sleep, freezing, and the stress response (stress-induced hyperthermia, SIH) across groups to determine the effects of ST and fearful context re-exposure alone (CTX). RESULTS REM was significantly reduced on the ST day in both VEH-Vul and MUS-Vul rats; however, post-ST MUS blocked the reduction in REM on the CTX day in the MUS-Vul group. The VEH-Res and MUS-Res rats showed similar levels of REM on both ST and CTX days. The effects of post-ST inactivation of BLA on freezing and SIH were minimal. CONCLUSIONS Outbred Wistar rats can show significant individual differences in the effects of stress on REM that are mediated by BLA. These differences in REM can be independent of behavioral fear and the peripheral stress response, and may be an important biomarker of stress resilience and vulnerability.
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Affiliation(s)
- Laurie L Wellman
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA
| | - Mairen E Fitzpatrick
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA
| | - Olga Y Hallum
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA
| | - Amy M Sutton
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA
| | - Brook L Williams
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA
| | - Larry D Sanford
- Sleep Research Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA
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Zarrabian S, Farahizadeh M, Nasehi M, Zarrindast MR. The role of CA3 GABAA receptors on anxiolytic-like behaviors and avoidance memory deficit induced by NMDA receptor antagonists. J Psychopharmacol 2016; 30:215-23. [PMID: 26755545 DOI: 10.1177/0269881115622239] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Cognitive functions are influenced by memory and anxiety states. However, a non-linear relation has been shown between these two domains. The important role of the hippocampus in memory and emotional responses may link the pathogenesis of anxiety to memory-related GABAergic and glutamatergic processes in the hippocampus. To investigate the role of GABAA receptors in relation to blocking N-methyl-D-aspartate (NMDA) receptors in the CA3 region, and balancing the glutamatergic and GABAergic system activities as an approach for the management of related disorders, the elevated plus-maze test-retest paradigm was used to investigate the anxiolytic-like state on the test day and avoidance memory state on the retest day. The data showed that injection of D-AP5, the NMDA receptor antagonist, induced anxiolytic-like behavior and impaired avoidance memory. Injection of GABAA agonist (muscimol), but not the antagonist (bicuculline), induced avoidance memory impairment. Neither muscimol nor bicuculline altered anxiety-like behaviors. Muscimol pretreatment did not change D-AP5-induced anxiolytic-like behaviors but potentiated avoidance memory impairment. Bicuculline pretreatment blocked D-AP5-induced anxiolytic-like behaviors and contradicted its effect on avoidance memory. Our findings indicate that alteration of the CA3 GABAA receptor activity can effectively affect the anxiolytic-like behaviors and avoidance memory deficit induced by D-AP5.
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Affiliation(s)
| | | | - Mohammad Nasehi
- Cognitive and Neuroscience Research Center (CNRC), Islamic Azad University, Tehran Medical Sciences Branch, Tehran, Iran
| | - Mohammad-Reza Zarrindast
- Institute for Cognitive Science Studies (ICSS), Tehran, Iran 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 School of Cognitive Sciences, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
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Huang CK, Chang YT, Amstislavskaya TG, Tikhonova MA, Lin CL, Hung CS, Lai TJ, Ho YJ. Synergistic effects of ceftriaxone and erythropoietin on neuronal and behavioral deficits in an MPTP-induced animal model of Parkinson's disease dementia. Behav Brain Res 2015; 294:198-207. [PMID: 26296668 DOI: 10.1016/j.bbr.2015.08.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 08/09/2015] [Accepted: 08/13/2015] [Indexed: 12/26/2022]
Abstract
Both ceftriaxone (CEF) and erythropoietin (EPO) show neuroprotection and cognitive improvement in neurodegenerative disease. The present study was aimed at clarifying whether combined treatment with CEF and EPO (CEF+EPO) had superior neuroprotective and behavioral effects than treatment with CEF or EPO alone in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced Parkinson's disease (PD) rat model. The rats were injected with CEF (5 mg/kg/day), EPO (100 IU/kg/day), or CEF+EPO after MPTP lesioning and underwent the bar-test, T-maze test, and object recognition test, then the brains were taken for histological evaluation. MPTP lesioning resulted in deficits in working memory and in object recognition, but the cognitive deficits were markedly reduced or eliminated in rats treated with CEF or CEF+EPO, with the combination having a greater effect. Lesioning also caused neurodegeneration in the nigrostriatal dopaminergic system and the hippocampal CA1 area and these changes were reduced or eliminated by treatment with CEF, EPO, or CEF+EPO, with the combination having a greater effect than single treatment in the densities of DAergic terminals in the striatum and neurons in the hippocampal CA1 area. Thus, compared to treatment with CEF or EPO alone, combined treatment with CEF+EPO had a greater inhibitory effect on the lesion-induced behavioral and neuronal deficits. To our knowledge, this is the first study showing a synergistic effect of CEF and EPO on neuroprotection and improvement in cognition in a PD rat model. Combined CEF and EPO treatment may have clinical potential for the treatment of the dementia associated with PD.
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Affiliation(s)
- Chiu-Ku Huang
- Department of Pharmacy, Tainan Municipal Hospital, Tainan 701, Taiwan, ROC
| | - Yen-Ting Chang
- School of Psychology, Chung Shan Medical University, Taichung 402, Taiwan, ROC; Department of Psychiatry, Chung Shan Medical University Hospital, Chung Shan Medical University, Taichung 402, Taiwan, ROC
| | - Tamara G Amstislavskaya
- Laboratory of Experimental Models of Emotional Pathology, Scientific Research Institute of Physiology and Basic Medicine, Federal State Budgetary Scientific Institution, Novosibirsk 630117, Russia
| | - Maria A Tikhonova
- Laboratory of Experimental Models of Neurodegenerative Processes, Scientific Research Institute of Physiology and Basic Medicine, Federal State Budgetary Scientific Institution, Novosibirsk 630117, Russia
| | - Chih-Li Lin
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan, ROC
| | - Ching-Sui Hung
- Occupational Safety and Health Office, Taipei City Hospital, Taipei 10341, Taiwan, ROC.
| | - Te-Jen Lai
- Department of Psychiatry, Chung Shan Medical University Hospital, Chung Shan Medical University, Taichung 402, Taiwan, ROC; Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan, ROC.
| | - Ying-Jui Ho
- School of Psychology, Chung Shan Medical University, Taichung 402, Taiwan, ROC; Department of Psychiatry, Chung Shan Medical University Hospital, Chung Shan Medical University, Taichung 402, Taiwan, ROC.
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Zhou H, Yu CL, Wang LP, Yang YX, Mao RR, Zhou QX, Xu L. NMDA and D1 receptors are involved in one-trial tolerance to the anxiolytic-like effects of diazepam in the elevated plus maze test in rats. Pharmacol Biochem Behav 2015; 135:40-5. [PMID: 26004015 DOI: 10.1016/j.pbb.2015.05.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 05/14/2015] [Accepted: 05/15/2015] [Indexed: 01/11/2023]
Abstract
The elevated plus maze (EPM) test is used to examine anxiety-like behaviors in rodents. One interesting phenomenon in the EPM test is one-trial tolerance (OTT), which refers to the reduction in the anxiolytic-like effects of benzodiazepines when rodents are re-exposed to the EPM. However, the underlying mechanism of OTT is still unclear. In this study, we reported that OTT occurred when re-exposure to the EPM (trial 2) only depended on the prior experience of the EPM (trial 1) rather than diazepam treatment. This process was memory-dependent, as it was prevented by the N-methyl-D-aspartate (NMDA) receptors antagonist MK-801 1.5h before trial 2. In addition, OTT was maintained for at least one week but was partially abolished after an interval of 28 days. Furthermore, the administration of the D1-like receptors agonist SKF38393 to the bilateral dorsal hippocampus largely prevented OTT, as demonstrated by the ability of the diazepam treatment to produce significant anxiolytic-like effects in trial 2 after a one-day interval. These findings suggest that OTT to the EPM test may occur via the activation of NMDA receptors and the inactivation of D1-like receptors in certain brain regions, including the hippocampus.
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Affiliation(s)
- Heng Zhou
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China; Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China
| | - Cheng-Long Yu
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China; Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China
| | - Li-Ping Wang
- Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China
| | - Yue-Xiong Yang
- Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China
| | - Rong-Rong Mao
- Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China
| | - Qi-Xin Zhou
- Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China.
| | - Lin Xu
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China; Laboratory of Learning and Memory, Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, CAS, Kunming 650223, China; CAS Center for Excellence in Brain Science, 320 Yue Yang Road, Shanghai 200031, China.
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Ceftriaxone prevents and reverses behavioral and neuronal deficits in an MPTP-induced animal model of Parkinson's disease dementia. Neuropharmacology 2014; 91:43-56. [PMID: 25499022 DOI: 10.1016/j.neuropharm.2014.11.023] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Revised: 11/05/2014] [Accepted: 11/28/2014] [Indexed: 01/24/2023]
Abstract
Glutamatergic hyperactivity plays an important role in the pathophysiology of Parkinson's disease (PD). Ceftriaxone increases expression of glutamate transporter 1 (GLT-1) and affords neuroprotection. This study was aimed at clarifying whether ceftriaxone prevented, or reversed, behavioral and neuronal deficits in an 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD rat model. Male Wistar rats were injected daily with either ceftriaxone starting 5 days before or 3 days after MPTP lesioning (day 0) or saline and underwent a bar-test on days 1-7, a T-maze test on days 9-11, and an object recognition test on days 12-14, then the brains were taken for histological evaluation on day 15. Dopaminergic degeneration in the substantia nigra pars compacta and striatum was observed on days 3 and 15. Motor dysfunction in the bar test was observed on day 1, but disappeared by day 7. In addition, lesioning resulted in deficits in working memory in the T-maze test and in object recognition in the object recognition task, but these were not observed in rats treated pre- or post-lesioning with ceftriaxone. Lesioning also caused neurodegeneration in the hippocampal CA1 area and induced glutamatergic hyperactivity in the subthalamic nucleus, and both changes were suppressed by ceftriaxone. Increased GLT-1 expression and its co-localization with astrocytes were observed in the striatum and hippocampus in the ceftriaxone-treated animals. To our knowledge, this is the first study showing a relationship between ceftriaxone-induced GLT-1 expression, neuroprotection, and improved cognition in a PD rat model. Ceftriaxone may have clinical potential for the prevention and treatment of dementia associated with PD.
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12
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Gupta SC, Hillman BG, Prakash A, Ugale RR, Stairs DJ, Dravid SM. Effect of D-cycloserine in conjunction with fear extinction training on extracellular signal-regulated kinase activation in the medial prefrontal cortex and amygdala in rat. Eur J Neurosci 2013; 37:1811-22. [PMID: 23551217 PMCID: PMC3672357 DOI: 10.1111/ejn.12197] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Revised: 02/14/2013] [Accepted: 02/19/2013] [Indexed: 11/27/2022]
Abstract
D-cycloserine (DCS) is currently under clinical trials for a number of neuropsychiatric conditions and has been found to augment fear extinction in rodents and exposure therapy in humans. However, the molecular mechanism of DCS action in these multiple modalities remains unclear. Here, we describe the effect of DCS administration, alone or in conjunction with extinction training, on neuronal activity (c-fos) and neuronal plasticity [phospho-extracellular signal-regulated kinase (pERK)] markers using immunohistochemistry. We found that intraperitoneal administration of DCS in untrained young rats (24-28 days old) increased c-fos- and pERK-stained neurons in both the prelimbic and infralimbic division of the medial prefrontal cortex (mPFC) and reduced pERK levels in the lateral nucleus of the central amygdala. Moreover, DCS administration significantly increased GluA1, GluN1, GluN2A, and GluN2B expression in the mPFC. In a separate set of animals, we found that DCS facilitated fear extinction and increased pERK levels in the infralimbic prefrontal cortex, prelimbic prefrontal cortex intercalated cells and lateral nucleus of the central amygdala, compared with saline control. In the synaptoneurosomal preparation, we found that extinction training increased iGluR protein expression in the mPFC, compared with context animals. No significant difference in protein expression was observed between extinction-saline and extinction-DCS groups in the mPFC. In contrast, in the amygdala DCS, the conjunction with extinction training led to an increase in iGluR subunit expression, compared with the extinction-saline group. Our data suggest that the efficacy of DCS in neuropsychiatric disorders may be partly due to its ability to affect neuronal activity and signaling in the mPFC and amygdala subnuclei.
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Affiliation(s)
- Subhash C. Gupta
- Department of Pharmacology, Creighton University, Omaha, Nebraska 68178
| | | | - Anand Prakash
- Department of Pharmacology, Creighton University, Omaha, Nebraska 68178
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow, India
| | - Rajesh R Ugale
- Department of Pharmacology, School of Pharmacy, Guru Ghasidas Central University, Koni, Bilaspur (C.G), India, 495009
| | - Dustin J. Stairs
- Depatement of Psychology, Creighton University, Omaha, Nebraska 68178
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Potential of D-cycloserine in the treatment of behavioral and neuroinflammatory disorders in Parkinson's disease and studies that need to be performed before clinical trials. Kaohsiung J Med Sci 2012; 28:407-17. [DOI: 10.1016/j.kjms.2012.02.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Accepted: 10/03/2011] [Indexed: 01/20/2023] Open
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14
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Harvey BH, Shahid M. Metabotropic and ionotropic glutamate receptors as neurobiological targets in anxiety and stress-related disorders: Focus on pharmacology and preclinical translational models. Pharmacol Biochem Behav 2012; 100:775-800. [DOI: 10.1016/j.pbb.2011.06.014] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Revised: 05/24/2011] [Accepted: 06/09/2011] [Indexed: 11/29/2022]
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15
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Nobre MJ, Brandão ML. Modulation of auditory-evoked potentials recorded in the inferior colliculus by GABAergic mechanisms in the basolateral and central nuclei of the amygdala in high- and low-anxiety rats. Brain Res 2011; 1421:20-9. [PMID: 21963315 DOI: 10.1016/j.brainres.2011.09.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Revised: 08/01/2011] [Accepted: 09/08/2011] [Indexed: 11/28/2022]
Affiliation(s)
- Manoel Jorge Nobre
- Laboratório de Psicobiologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP 14040-901, Brazil.
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Thanos PK, Bermeo C, Wang GJ, Volkow ND. D-cycloserine facilitates extinction of cocaine self-administration in rats. Synapse 2011; 65:938-44. [PMID: 21360592 PMCID: PMC3188412 DOI: 10.1002/syn.20922] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Accepted: 01/13/2011] [Indexed: 11/09/2022]
Abstract
Previous research has indicated that D-cycloserine [DCS; a N-methyl-D-aspartate (NMDA) partial agonist] facilitates the extinction of conditioned fear as well as the extinction of cocaine conditioned place preference. Sprague Dawley rats were first trained to self-administer cocaine and then we compared their extinction behavior (lever pressing) following treatment with vehicle; 15 mg/kg DCS; or 30 mg/kg DCS. We showed that 30 mg/kg DCS, but not 15 mg/kg significantly accelerated extinction of cocaine self-administration behavior when compared with saline by almost half (4 days vs. 9 days). At 2 weeks when all animals had extinguished, there were no longer differences between the groups. The present findings support of the potential of NMDA partial agonists as prospectively valuable in facilitating the extinction of cocaine-seeking behavior. More specifically, we demonstrate that 30 mg/kg DCS was effective at significantly accelerating the extinction of cocaine self-administration behavior in rats. These results provide further support for the potential of DCS as a treatment strategy for addiction.
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Affiliation(s)
- Panayotis K Thanos
- Neuroimaging Lab, NIAAA Intramural Program, NIH, Bethesda, Maryland, USA.
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Ho YJ, Ho SC, Pawlak CR, Yeh KY. Effects of d-cycloserine on MPTP-induced behavioral and neurological changes: Potential for treatment of Parkinson's disease dementia. Behav Brain Res 2011; 219:280-90. [DOI: 10.1016/j.bbr.2011.01.028] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2010] [Revised: 01/11/2011] [Accepted: 01/16/2011] [Indexed: 12/26/2022]
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Riaza Bermudo-Soriano C, Perez-Rodriguez MM, Vaquero-Lorenzo C, Baca-Garcia E. New perspectives in glutamate and anxiety. Pharmacol Biochem Behav 2011; 100:752-74. [PMID: 21569789 DOI: 10.1016/j.pbb.2011.04.010] [Citation(s) in RCA: 146] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Revised: 04/05/2011] [Accepted: 04/15/2011] [Indexed: 02/07/2023]
Abstract
Anxiety and stress-related disorders, namely posttraumatic stress disorder (PTSD), generalized anxiety disorder (GAD), obsessive-compulsive disorder (ODC), social and specific phobias, and panic disorder, are a major public health issue. A growing body of evidence suggests that glutamatergic neurotransmission may be involved in the biological mechanisms underlying stress response and anxiety-related disorders. The glutamatergic system mediates the acquisition and extinction of fear-conditioning. Thus, new drugs targeting glutamatergic neurotransmission may be promising candidates for new pharmacological treatments. In particular, N-methyl-d-aspartate receptors (NMDAR) antagonists (AP5, AP7, CGP37849, CGP39551, LY235959, NPC17742, and MK-801), NMDAR partial agonists (DCS, ACPC), α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptors (AMPARs) antagonists (topiramate), and several allosteric modulators targeting metabotropic glutamate receptors (mGluRs) mGluR1, mGluR2/3, and mGluR5, have shown anxiolytic-like effects in several animal and human studies. Several studies have suggested that polyamines (agmatine, putrescine, spermidine, and spermine) may be involved in the neurobiological mechanisms underlying stress-response and anxiety-related disorders. This could mainly be attributed to their ability to modulate ionotropic glutamate receptors, especially NR2B subunits. The aim of this review is to establish that glutamate neurotransmission and polyaminergic system play a fundamental role in the onset of anxiety-related disorders. This may open the way for new drugs that may help to treat these conditions.
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Involvement of NMDA receptor complex in the anxiolytic-like effects of chlordiazepoxide in mice. J Neural Transm (Vienna) 2011; 118:857-64. [PMID: 21298298 PMCID: PMC3104009 DOI: 10.1007/s00702-011-0585-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2010] [Accepted: 01/16/2011] [Indexed: 01/27/2023]
Abstract
In the present study, we demonstrated that low, ineffective doses of N-methyl-d-aspartic acid (NMDA) receptor antagonists [competitive NMDA antagonist, CGP 37849, at 0.312 mg/kg intraperitoneally (i.p.), antagonist of the glycineB sites, L-701,324, at 2 mg/kg i.p., partial agonist of glycineB sites, d-cycloserine, at 2.5 mg/kg i.p.] administered jointly with an ineffective dose of the benzodiazepine, chlordiazepoxide (CDP, 2.5 mg/kg i.p.), significantly increased the percentage of time spent in the open arms of the elevated plus-maze (index of anxiolytic effect). Furthermore, CDP-induced anxiolytic-like activity (5 mg/kg i.p.) was antagonized by NMDA (75 mg/kg i.p.) and by an agonist of glycineB sites of the NMDA receptor complex, d-serine [100 nmol/mouse intracerebroventricularly (i.c.v.)]. The present study showed a positive interaction between γ-aminobutyric acid (GABA) and glutamate neurotransmission in the anxiolytic-like activity in the elevated plus-maze test in mice and this activity seems to particularly involve the NMDA receptors.
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Nobre M, Cabral A, Brandão M. GABAergic regulation of auditory sensory gating in low- and high-anxiety rats submitted to a fear conditioning procedure. Neuroscience 2010; 171:1152-63. [DOI: 10.1016/j.neuroscience.2010.10.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Revised: 09/20/2010] [Accepted: 10/03/2010] [Indexed: 01/22/2023]
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Anxioselective profile of glycineB receptor partial agonist, d-cycloserine, in plus-maze-naïve but not plus-maze-experienced mice. Eur J Pharmacol 2010; 646:31-7. [DOI: 10.1016/j.ejphar.2010.08.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Revised: 07/20/2010] [Accepted: 08/04/2010] [Indexed: 01/06/2023]
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MPTP-induced dopaminergic degeneration and deficits in object recognition in rats are accompanied by neuroinflammation in the hippocampus. Pharmacol Biochem Behav 2010; 95:158-65. [DOI: 10.1016/j.pbb.2009.12.020] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2009] [Revised: 11/12/2009] [Accepted: 12/22/2009] [Indexed: 02/01/2023]
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Involvement of NMDA receptors in both MPTP-induced neuroinflammation and deficits in episodic-like memory in Wistar rats. Behav Brain Res 2010; 208:38-46. [DOI: 10.1016/j.bbr.2009.11.006] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2009] [Revised: 10/27/2009] [Accepted: 11/01/2009] [Indexed: 11/15/2022]
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Labrie V, Clapcote SJ, Roder JC. Mutant mice with reduced NMDA-NR1 glycine affinity or lack of d-amino acid oxidase function exhibit altered anxiety-like behaviors. Pharmacol Biochem Behav 2009; 91:610-20. [DOI: 10.1016/j.pbb.2008.09.016] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2008] [Revised: 09/24/2008] [Accepted: 09/25/2008] [Indexed: 11/16/2022]
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Sunyer B, Patil S, Frischer C, Hoeger H, Lubec G. Strain-dependent effects of cognitive enhancers in the mouse. Amino Acids 2007; 34:485-95. [PMID: 17690951 DOI: 10.1007/s00726-007-0511-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2006] [Accepted: 02/20/2007] [Indexed: 11/26/2022]
Abstract
A series of cognitive enhancers (CEs) have been reported to increase spatial memory in rodents, information on behavioral effects, however, is limited. The aim of the study was therefore to examine the behavioral effects of three CEs in two well-documented inbred mouse strains. C57BL/6J and DBA/2 mice were administered intraperitonial. D-cycloserine (DCS; NMDA receptor agonist), 1-(4-Amino-5-chloro-2-methoxyphenyl)-3-[1-butyl-4-piperidinyl]-1-propanone hydrochloride (RS67333; 5HT4-receptor agonist), and (R)-4-{[2-(1-methyl-2-pyrrolidinyl)ethyl]thio}phenol hydrochloride (SIB-1553A; beta-4-nicotinic receptor agonist) and tested in the open field (OF), elevated plus maze (EPM), neurological observational battery and rota-rod. Cognitive performance was tested in the Morris water maze. All compounds modified behavioral performance in the OF, DCS showed an anxiolytic effect in the EPM, and differences in the observational battery were observed i.e. vestibular drop was decreased by SIB-1553A and RS67333 treatment in C57BL/6J and increased with DCS treatment in DBA/2 mice. In the rota rod SIB-1553A improved motor performance. DCS effects on learning and memory was comparable to controls whereas the other compounds impaired performance in the Morris water maze. In conclusion, behavioral testing of CEs in the mouse revealed significant changes that may have to be taken into account for evaluation of CEs, interpretation of cognitive studies and warrant further neurotoxicological studies. Moreover, strain-dependent differences were observed that in turn may confound results obtained from behavioral and cognitive testing.
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Affiliation(s)
- B Sunyer
- Department of Pediatrics, Division of Pediatric Neuroscience, Medical University of Vienna, Vienna, Austria
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Ho YJ, Wang CF, Hsu WY, Tseng T, Hsu CC, Kao MD, Tsai YF. Psychoimmunological effects of dioscorea in ovariectomized rats: role of anxiety level. Ann Gen Psychiatry 2007; 6:21. [PMID: 17688703 PMCID: PMC1971263 DOI: 10.1186/1744-859x-6-21] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2007] [Accepted: 08/10/2007] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Anxiety levels in rats are correlated with interleukin-2 (IL-2) levels in the brain. The aim of the present study was to investigate the effects of dioscorea (wild yam), a Chinese medicine, on emotional behavior and IL-2 levels in the brain of ovariectomized (OVX) rats. METHODS One month after ovariectomy, female Wistar rats were screened in the elevated plus-maze (EPM) test to measure anxiety levels and divided into low anxiety (LA) and high anxiety (HA) groups, which were then given dioscorea (250, 750, or 1500 mg/kg/day) by oral gavage for 27 days and were tested in the EPM on day 23 of administration and in the forced swim test (FST) on days 24 and 25, then 3 days later, the brain was removed and IL-2 levels measured. RESULTS Compared to sham-operated rats, anxiety behavior in the EPM was increased in half of the OVX rats. After chronic dioscorea treatment, a decrease in anxiety and IL-2 levels was observed in the HA OVX rats. Despair behavior in the FST was inhibited by the highest dosage of dioscorea. CONCLUSION These results show that OVX-induced anxiety and changes in neuroimmunological function in the cortex are reversed by dioscorea treatment. Furthermore, individual differences need to be taken into account when psychoneuroimmunological issues are measured and the EPM is a useful tool for determining anxiety levels when examining anxiety-related issues.
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Affiliation(s)
- Ying-Jui Ho
- School of Psychology, Chung Shan Medical University, No. 110, Sec. 1, Chien-Kuo N. Rd., Tai-Chung City 402, ROC, Taiwan
| | - Ching-Fu Wang
- School of Psychology, Chung Shan Medical University, No. 110, Sec. 1, Chien-Kuo N. Rd., Tai-Chung City 402, ROC, Taiwan
| | - Wen-Yu Hsu
- School of Psychology, Chung Shan Medical University, No. 110, Sec. 1, Chien-Kuo N. Rd., Tai-Chung City 402, ROC, Taiwan
| | - Ting Tseng
- School of Psychology, Chung Shan Medical University, No. 110, Sec. 1, Chien-Kuo N. Rd., Tai-Chung City 402, ROC, Taiwan
| | - Cheng-Chin Hsu
- School of Nutrition, Chung Shan Medical University, No. 110, Sec. 1, Chien-Kuo N. Rd., Tai-Chung City 402, ROC, Taiwan
| | - Mei-Ding Kao
- Department of Food and Nutrition, Providence University, No. 200 Chung-Chi Rd., Tai-Chung City 43301, ROC, Taiwan
| | - Yuan-Feen Tsai
- Department of Physiology, College of Medicine, National Taiwan University, No. 1, Sec. 1, Jen-Ai Rd., Taipei City 100, ROC, Taiwan
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Abstract
Anxiety, stress, and trauma-related disorders are a major public health concern in the United States. Drugs that target the gamma-aminobutyric acid or serotonergic system, such as benzodiazepines and selective serotonin reuptake inhibitors, respectively, are the most widely prescribed treatments for these disorders. However, the role of glutamate in anxiety disorders is becoming more recognized with the belief that drugs that modulate glutamatergic function through either ionotropic or metabotropic glutamate receptors have the potential to improve the current treatment of these severe and disabling illnesses. Animal models of fear and anxiety have provided a method to study the role of glutamate in anxiety. This research has demonstrated that drugs that alter glutamate transmission have potential anxiolytic action for many different paradigms including fear-potentiated startle, punished responding, and the elevated plus maze. Human clinical drug trials have demonstrated the efficacy of glutamatergic drugs for the treatment of obsessive-compulsive disorder, posttraumatic stress disorder, generalized anxiety disorder, and social phobia. Recent data from magnetic resonance imaging studies provide an additional link between the glutamate system and anxiety. Collectively, the data suggest that future studies on the mechanism of and clinical efficacy of glutamatergic agents in anxiety disorders are appropriately warranted.
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Affiliation(s)
- Bernadette M Cortese
- Department of Psychiatry, Pennsylvania State University College of Medicine, Hershey, PA, USA
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