1
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Ren L. The mechanistic basis for the rapid antidepressant-like effects of ketamine: From neural circuits to molecular pathways. Prog Neuropsychopharmacol Biol Psychiatry 2024; 129:110910. [PMID: 38061484 DOI: 10.1016/j.pnpbp.2023.110910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/19/2023]
Abstract
Conventional antidepressants that target monoaminergic receptors require several weeks to be efficacious. This lag represents a significant problem in the currently available treatments for serious depression. Ketamine, acting as an N-methyl-d-aspartate receptor antagonist, was shown to have rapid antidepressant-like effects, marking a significant advancement in the study of mood disorders. However, serious side effects and adverse reactions limit its clinical use. Considering the limitations of ketamine, it is crucial to further define the network targets of ketamine. The rapid action of ketamine an as antidepressant is thought to be mediated by the glutamate system. It is believed that synaptic plasticity is essential for the rapid effects of ketamine as an antidepressant. Other mechanisms include the involvement of the γ-aminobutyric acidergic (GABAergic), 5-HTergic systems, and recent studies have linked astrocytes to ketamine's rapid antidepressant-like effects. The interactions between these systems exert a synergistic rapid antidepressant effect through neural circuits and molecular mechanisms. Here, we discuss the neural circuits and molecular mechanisms underlying the action of ketamine. This work will help explain how molecular and neural targets are responsible for the effects of rapidly acting antidepressants and will aid in the discovery of new therapeutic approaches for major depressive disorder.
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Affiliation(s)
- Li Ren
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Sichuan Chengdu 611137, China.
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2
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Zhang H, Liu X, Li B, Zhang Y, Gao H, Zhao X, Leng K, Song Z. Krill oil treatment ameliorates lipid metabolism imbalance in chronic unpredicted mild stress-induced depression-like behavior in mice. Front Cell Dev Biol 2023; 11:1180483. [PMID: 37564375 PMCID: PMC10411196 DOI: 10.3389/fcell.2023.1180483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/03/2023] [Indexed: 08/12/2023] Open
Abstract
The pathology of depression involves various factors including the interaction between genes and the environment. The deficiency of n-3 polyunsaturated fatty acids (n-3 PUFAs) in the brain and depressive symptoms are closely related. Krill oil contains abundant amounts of n-3 PUFAs incorporated in phosphatidylcholine. However, the effect of krill oil treatment on depression-like behaviors induced by chronic stress and its molecular mechanism in the brain remain poorly understood. Here, we used a chronic unpredictable mild stress (CUMS) model to evaluate the effect of krill oil on depression-like behaviors and explored its molecular mechanism through lipid metabolomics and mRNA profiles in the whole brain. We observed that CUMS-induced depression-like behaviors were ameliorated by krill oil supplementation in mice. The metabolism of glycerophospholipids and sphingolipids was disrupted by CUMS treatment, which were ameliorated after krill oil supplementation. Further analysis found that differently expressed genes after krill oil supplementation were mainly enriched in the membrane structures and neuroactive ligand-receptor interaction pathway, which may be responsible for the amelioration of CUMS-induced depression-like behaviors. Altogether, our results uncovered the relationship between lipid metabolism and CUMS, and provided new strategies for the prevention and treatment of depression.
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Affiliation(s)
- Hao Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Xiaofang Liu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Bo Li
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Yi Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Hua Gao
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Xianyong Zhao
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Kailiang Leng
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Zhenhua Song
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
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3
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Luo Y, Ullah R, Wang J, Du Y, Huang S, Meng L, Gao Y, Gong M, Galaj E, Yin X, Shi H. Exogenous Carbon Monoxide Produces Rapid Antidepressant- and Anxiolytic-Like Effects. Front Pharmacol 2021; 12:757417. [PMID: 34867375 PMCID: PMC8637155 DOI: 10.3389/fphar.2021.757417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/26/2021] [Indexed: 12/25/2022] Open
Abstract
Carbon monoxide (CO), a byproduct of heme catalyzed by heme oxygenase (HO), has been reported to exert antioxidant and anti-inflammatory actions, and to produce significant neuroprotective effects. The potential effects of CO and even HO on depressive-like behaviors are still poorly understood. Utilizing several approaches including adeno-associated virus (AAV)-mediated overexpression of HO-1, systemic CO-releasing molecules (CO-RMs), CO-rich saline or CO gas treatment procedures in combination with hydrogen peroxide (H2O2)-induced PC12 cell injury model, and lipopolysaccharide (LPS)-induced depression mouse model, the present study aimed to investigate the potential antidepressant- and anxiolytic-like effects of endogenous and exogenous CO administration in vivo and in vitro. The results of in vitro experiments showed that both CO-RM-3 and CO-RM-A1 pretreatment blocked H2O2-induced cellular injuries by increasing cell survival and decreasing cell apoptosis and necrosis. Similar to the effects of CO-RM-3 and CO-RM-A1 pretreatment, AAV-mediated HO-1 overexpression in the dorsal hippocampus produced significant antidepressant-like activities in mice under normal conditions. Further investigation showed that the CO gas treatment significantly blocked LPS-induced depressive- and anxiety-like behaviors in mice. Taken together, our results suggest that the activation of HO-1 and/or exogenous CO administration produces protective effects and exerts antidepressant- and anxiolytic-like effects. These data uncover a novel function of the HO-1/CO system that appears to be a promising therapeutic target for the treatment of depression and anxiety.
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Affiliation(s)
- Yixiao Luo
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China.,Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Rafi Ullah
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Jinfeng Wang
- Department of Obstetrics and Gynecology, The No.1 Hospital of Yongnian District Handan City, Handan, China
| | - Yuru Du
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Shihao Huang
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Li Meng
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Yuan Gao
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China.,Hebei Key Laboratory of Neurophysiology, Hebei Medical University, Shijiazhuang, China
| | - Miao Gong
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Ewa Galaj
- Neuroscience Program, Department of Psychological and Brain Sciences, Colgate University, Hamilton, NY, United States
| | - Xi Yin
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China.,Department of Functional Region of Diagnosis, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Haishui Shi
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China.,Hebei Key Laboratory of Neurophysiology, Hebei Medical University, Shijiazhuang, China
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4
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Disturbance of prefrontal cortical myelination in olfactory bulbectomized mice is associated with depressive-like behavior. Neurochem Int 2021; 148:105112. [PMID: 34171413 DOI: 10.1016/j.neuint.2021.105112] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/10/2021] [Accepted: 06/20/2021] [Indexed: 12/28/2022]
Abstract
Recent studies have reported that demyelination is associated with the development of depression. Olfactory bulbectomized (OBX) rodents are a useful experimental animal model for depressive disorder. However, little is known about the change in myelination in the brain of OBX mice. To address this question, we observed depressive-like behavior of OBX mice in the tail-suspension test, and determined the quantity of myelin proteins in the prefrontal cortex (PFC), striatum and hippocampus on day 14 or 21 after surgery. The number of nodes of Ranvier paired with the paranodal marker contactin-associated protein (Caspr), as well as the numbers of immature and mature oligodendrocytes in the PFC, were also measured on day 21 after surgery. We examined whether these behavioral and neurochemical changes observed in OBX mice were reversed by chronic administration of imipramine. OBX mice showed depressive-like behavior in the tail-suspension test together with a decrease in the levels of myelin proteins such as myelin basic protein, myelin-associated glycoprotein and cyclicnucleotide phosphodiesterase in the PFC on day 21 after surgery. The number of nodes of Ranvier and mature oligodendrocytes were also decreased in the PFC of OBX mice, while the number of immature oligodendrocytes was increased on day 21 after surgery. However, the number of immature oligodendrocytes in the PFC of OBX mice was decreased on day 35 after surgery. Administration of imipramine (20 mg/kg) for 2 weeks from day 21 after surgery improved OBX-induced depressive-like behavior and abnormal myelination in the PFC. The present findings suggest that the disturbance of myelin function in the PFC may contribute to the pathophysiology of depression, and further support the notion that it plays an important role in the psychological state.
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5
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Liu D, Zhuang Y, Zhang L, Gao H, Neavin D, Carrillo-Roa T, Wang Y, Yu J, Qin S, Kim DC, Liu E, Nguyen TTL, Biernacka JM, Kaddurah-Daouk R, Dunlop BW, Craighead WE, Mayberg HS, Binder EB, Frye MA, Wang L, Weinshilboum RM. ERICH3: vesicular association and antidepressant treatment response. Mol Psychiatry 2021; 26:2415-2428. [PMID: 33230203 PMCID: PMC8141066 DOI: 10.1038/s41380-020-00940-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 09/30/2020] [Accepted: 10/26/2020] [Indexed: 01/22/2023]
Abstract
Selective serotonin reuptake inhibitors (SSRIs) are standard of care for major depressive disorder (MDD) pharmacotherapy, but only approximately half of these patients remit on SSRI therapy. Our previous genome-wide association study identified a single-nucleotide polymorphism (SNP) signal across the glutamate-rich 3 (ERICH3) gene that was nearly genome-wide significantly associated with plasma serotonin (5-HT) concentrations, which were themselves associated with SSRI response for MDD patients enrolled in the Mayo Clinic PGRN-AMPS SSRI trial. In this study, we performed a meta-analysis which demonstrated that those SNPs were significantly associated with SSRI treatment outcomes in four independent MDD trials. However, the function of ERICH3 and molecular mechanism(s) by which it might be associated with plasma 5-HT concentrations and SSRI clinical response remained unclear. Therefore, we characterized the human ERICH3 gene functionally and identified ERICH3 mRNA transcripts and protein isoforms that are highly expressed in central nervous system cells. Coimmunoprecipitation identified a series of ERICH3 interacting proteins including clathrin heavy chain which are known to play a role in vesicular function. Immunofluorescence showed ERICH3 colocalization with 5-HT in vesicle-like structures, and ERICH3 knock-out dramatically decreased 5-HT staining in SK-N-SH cells as well as 5-HT concentrations in the culture media and cell lysates without changing the expression of 5-HT synthesizing or metabolizing enzymes. Finally, immunofluorescence also showed ERICH3 colocalization with dopamine in human iPSC-derived neurons. These results suggest that ERICH3 may play a significant role in vesicular function in serotonergic and other neuronal cell types, which might help explain its association with antidepressant treatment response.
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Affiliation(s)
- Duan Liu
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Yongxian Zhuang
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA ,Present Address: Rubedo Life Sciences, Sunnyvale, CA USA
| | - Lingxin Zhang
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Huanyao Gao
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Drew Neavin
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA ,grid.415306.50000 0000 9983 6924Present Address: Centre for Cellular Genomics, Garvan Institute of Medical Research, Sydney, NSW Australia
| | - Tania Carrillo-Roa
- grid.419548.50000 0000 9497 5095Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Yani Wang
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA ,grid.412262.10000 0004 1761 5538Xi’an No.1 Hospital, the First Affiliated Hospital of Northwest University, Xi’an, Shaanxi China ,Shaanxi Institute of Ophthalmology, Shaanxi Key Laboratory of Ophthalmology, Shaanxi Clinical Research Center for Ophthalmology Diseases, Xi’an, Shaanxi China
| | - Jia Yu
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Sisi Qin
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Daniel C. Kim
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Erica Liu
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Thanh Thanh Le Nguyen
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Joanna M. Biernacka
- grid.66875.3a0000 0004 0459 167XDepartment of Psychiatry and Psychology, Mayo Clinic, Rochester, MN USA ,grid.66875.3a0000 0004 0459 167XDepartment of Health Sciences Research, Mayo Clinic, Rochester, MN USA
| | - Rima Kaddurah-Daouk
- grid.26009.3d0000 0004 1936 7961Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC USA ,grid.26009.3d0000 0004 1936 7961Department of Medicine, Duke University, Durham, NC USA ,grid.26009.3d0000 0004 1936 7961Duke Institute for Brain Sciences, Duke University, Durham, NC USA
| | - Boadie W. Dunlop
- grid.189967.80000 0001 0941 6502Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA USA
| | - W. Edward Craighead
- grid.189967.80000 0001 0941 6502Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA USA
| | - Helen S. Mayberg
- grid.189967.80000 0001 0941 6502Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA USA ,grid.59734.3c0000 0001 0670 2351Departments of Neurology and Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Elisabeth B. Binder
- grid.419548.50000 0000 9497 5095Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany ,grid.189967.80000 0001 0941 6502Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA USA
| | - Mark A. Frye
- grid.66875.3a0000 0004 0459 167XDepartment of Psychiatry and Psychology, Mayo Clinic, Rochester, MN USA
| | - Liewei Wang
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
| | - Richard M. Weinshilboum
- grid.66875.3a0000 0004 0459 167XDivision of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN USA
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6
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Dimick MK, Omrin D, MacIntosh BJ, Mitchell RHB, Riegert D, Levitt A, Schaffer A, Belo S, Iazzetta J, Detzler G, Choi M, Choi S, Orser BA, Goldstein BI. Nitrous oxide as a putative novel dual-mechanism treatment for bipolar depression: Proof-of-concept study design and methodology. Contemp Clin Trials Commun 2020; 19:100600. [PMID: 32637725 PMCID: PMC7327241 DOI: 10.1016/j.conctc.2020.100600] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 06/10/2020] [Accepted: 06/21/2020] [Indexed: 12/23/2022] Open
Abstract
Introduction Depressive symptoms predominate in the course of bipolar disorder (BD) and there is an urgent need to evaluate novel application of repurposed compounds that act on pre-specified treatment targets. Several lines of reasoning suggest that nitrous oxide (N2O) is an ideal medication to study as a potential treatment and as a strategy to identify the underlying pathophysiology of bipolar depression. N2O is a potent cerebral vasodilator and there is compelling evidence of reduced frontal cerebral blood flow (CBF; i.e. hypoperfusion) in depression. Therefore, N2O may increase CBF and thereby improve symptoms of depression. The goal of this randomized, double-blind trial is to study the effect of a single administration of N2O versus the active comparator midazolam on mood and CBF in adults with treatment-resistant bipolar depression. Methods Participants with BD-I/-II currently experiencing a major depressive episode will be randomized to one of two conditions (n = 20/group): 1) inhaled N2O plus intravenous saline, or 2) inhaled room air plus intravenous midazolam. Montgomery-Asberg Depression Rating Scale scores will serve as the primary endpoint. CBF will be measured via arterial spin labelling magnetic resonance imaging. Conclusions N2O is a potential novel treatment for bipolar depression, as it causes cerebral vasodilation. This proof-of-concept study will provide valuable information regarding the acute impact of N2O on mood and on CBF. If N2O proves to be efficacious in future larger-scale trials, its ubiquity, safety, low cost, and ease of use suggest that it has great potential to become a game-changing acute treatment for bipolar depression.
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Affiliation(s)
- Mikaela K Dimick
- Pharmacology and Toxicology Department, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Danielle Omrin
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Bradley J MacIntosh
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Rachel H B Mitchell
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Daniel Riegert
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
| | - Anthony Levitt
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Ayal Schaffer
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Susan Belo
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
| | - John Iazzetta
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Pharmacy Department, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | | | - Mabel Choi
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
| | - Stephen Choi
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
| | - Beverley A Orser
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
| | - Benjamin I Goldstein
- Pharmacology and Toxicology Department, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
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7
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Systemic immunization with altered myelin basic protein peptide produces sustained antidepressant-like effects. Mol Psychiatry 2020; 25:1260-1274. [PMID: 31375779 DOI: 10.1038/s41380-019-0470-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 06/17/2019] [Accepted: 06/24/2019] [Indexed: 12/21/2022]
Abstract
Immune dysregulation, specifically of inflammatory processes, has been linked to behavioral symptoms of depression in both human and rodent studies. Here, we evaluated the antidepressant effects of immunization with altered peptide ligands of myelin basic protein (MBP)-MBP87-99[A91, A96], MBP87-99[A91], and MBP87-99[R91, A96]-in different models of depression and examined the mechanism by which these peptides protect against stress-induced depression. We found that a single dose of subcutaneously administered MBP87-99[A91, A96] produced antidepressant-like effects by decreasing immobility in the forced swim test and by reducing the escape latency and escape failures in the learned helplessness paradigm. Moreover, immunization with MBP87-99[A91, A96] prevented and reversed depressive-like and anxiety-like behaviors that were induced by chronic unpredictable stress (CUS). However, MBP87-99[R91, A96] tended to aggravate CUS-induced anxiety-like behavior. Chronic stress increased the production of peripheral and central proinflammatory cytokines and induced the activation of microglia in the prelimbic cortex (PrL), which was blocked by MBP87-99[A91, A96]. Immunization with MBP-derived altered peptide ligands also rescued chronic stress-induced deficits in p11, phosphorylated cyclic adenosine monophosphate response element binding protein, and brain-derived neurotrophic factor expression. Moreover, microinjections of recombinant proinflammatory cytokines and the knockdown of p11 in the PrL blunted the antidepressant-like behavioral response to MBP87-99[A91, A96]. Altogether, these findings indicate that immunization with altered MBP peptide produces prolonged antidepressant-like effects in rats, and the behavioral response is mediated by inflammatory factors (particularly interleukin-6), and p11 signaling in the PrL. Immune-neural interactions may impact central nervous system function and alter an individual's response to stress.
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8
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Huang Y, Xu D, Xiang H, Yan S, Sun F, Wei Z. Rapid antidepressant actions of imipramine potentiated by zinc through PKA-dependented regulation of mTOR and CREB signaling. Biochem Biophys Res Commun 2019; 518:337-343. [PMID: 31420165 DOI: 10.1016/j.bbrc.2019.08.059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/10/2019] [Indexed: 12/13/2022]
Abstract
The slow onset of traditional antidepressants has become an urgent clinical issue, researchers are constantly exploring new antidepressants with prompt action. Previous studies have found that zinc levels were decreased in serum and brain of depressed patients or animal models. Zinc treatment can improve depressive symptoms and enhance the antidepressant effects of monoamine antidepressants. However, its mechanism of action is still unclear. This present study aims to investigate whether the zinc can enhance the rapid action of traditional antidepressant imipramine and to explore the potential mechanisms of action through the rapid antidepressant targets CREB (cAMP-response element binding protein) and mTOR (mammalian target of the rapamycin). Drug treatment included intraperitoneal injection of imipramine or zinc alone and imipramine plus zinc. Zinc had a rapid enhanced antidepressive effect on the imipramine and achieved a rapid antidepressant effect similar to ketamine. Combination of zinc with imipramine rapidly enhanced the phosphorylation of mTOR Ser2448 and CREB Ser133, and increased the expression of mTOR and CREB, which were dependent on the activation of PKA. In conclusion, combination therapy with zinc and monoamine antidepressants may overcome the problem of slow-onset action of traditional antidepressants in clinical uses.
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Affiliation(s)
- Yeqing Huang
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China
| | - Danhong Xu
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China
| | - Haiqing Xiang
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China
| | - Shi Yan
- The Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, 250 Changgang East Road, Guangzhou, 510260, China
| | - Fangfang Sun
- The Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, 250 Changgang East Road, Guangzhou, 510260, China
| | - Zhisheng Wei
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China.
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9
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McLeod SA, Lam A, Spencer A, Wei XC, Gnanakumar V. Aphonogelia After Recovery From Severe Traumatic Brain Injury: A Case Report. PM R 2019; 11:94-97. [DOI: 10.1016/j.pmrj.2018.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 05/24/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Scott A. McLeod
- Department of Pediatrics; University of Calgary Cumming School of Medicine, Alberta Children's Hospital; Calgary, Alberta Canada, AB T3B 6A8
| | - Alva Lam
- Department of Pediatrics and Division of Clinical Neurosciences, Pediatric Rehabilitation, University of Calgary Cumming School of Medicine; Alberta Children's Hospital; Calgary Canada
| | - Adam Spencer
- Department of Pediatric Anesthesia, University of Calgary Cumming School of Medicine; Alberta Children's Hospital; Calgary Canada
| | - Xing-Chang Wei
- Department of Pediatric Radiology, University of Calgary Cumming School of Medicine; Alberta Children's Hospital; Calgary Canada
| | - Vithya Gnanakumar
- Department of Pediatrics, University of Calgary Cumming School of Medicine; Alberta Children's Hospital; Calgary Canada
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10
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Wang CM, Lin ZH, Lin ZQ, Yao QY, Zhang YF. Anemoside A3 rapidly reverses depression-like behaviors and weakening of excitatory synaptic transmission in mouse models of depression. J Psychopharmacol 2019; 33:37-50. [PMID: 30484361 DOI: 10.1177/0269881118812099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND AIM Developing fast-acting antidepressants attracts considerable attention. Anemoside A3, a natural triterpenoid glycoside isolated from Pulsatillae Radix, has been reported to produce antidepressant-like action in the forced swim test. We herein explore the fast-onset antidepressant-like potentials and antidepressant mechanisms of anemoside A3. METHODS The forced swim test and tail suspension test were used to determine the acute antidepressant-like action of anemoside A3. This action of anemoside A3 was confirmed in chronic mild stress and chronic social defeat stress models. In vitro extracellular field potential recordings were conducted to investigate the impact of anemoside A3 on chronic stress-induced alterations at temporoammonic-CA1 synapses. Western blot, whole-cell patch-clamp recordings, and microinjections of α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptor antagonists into the stratum lacunosum-moleculare were performed to unravel the contribution of stratum lacunosum-moleculare α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptors to anemoside A3's antidepressant-like activity. In vivo microdialysis and pharmacological depletion of serotonin were implemented to examine the role of the serotonin system in the antidepressant-like effect of anemoside A3. RESULTS Anemoside A3 administered intraperitoneally displayed acute antidepressant-like effects in the mouse forced swim test and tail suspension test and anemoside A3 treatment (intraperitoneally) for five days was sufficient to reverse depression-related behaviors of mice subjected to chronic stress. Accordingly, chronic social defeat stress-induced weakening of α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptor-mediated neurotransmission in the temporoammonic-CA1 pathway and downregulation of synaptic GluA2-lacking α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptor expression in the stratum lacunosum-moleculare could both be normalized by five days of anemoside A3 treatment (intraperitoneally). Moreover, intra-stratum lacunosum-moleculare infusion of GluA2-lacking α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptor antagonist abolished anemoside A3's antidepressant-like effect. Lastly, serotonin system was not implicated in anemoside A3's antidepressant-like effect. CONCLUSIONS Our results suggest that anemoside A3 induces a rapid antidepressant-like response by a stratum lacunosum-moleculare GluA2-lacking α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate receptor-dependent mechanism. In view of this, anemoside A3 represents a promising agent for depression treatment.
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Affiliation(s)
- Can-Ming Wang
- Department of Pharmacy, Quanzhou First Hospital affiliated to Fujian Medical University, Quanzhou, China
| | - Zhi-Hang Lin
- Department of Pharmacy, Quanzhou First Hospital affiliated to Fujian Medical University, Quanzhou, China
| | - Zhi-Qiang Lin
- Department of Pharmacy, Quanzhou First Hospital affiliated to Fujian Medical University, Quanzhou, China
| | - Qing-Yang Yao
- Department of Neurology, Quanzhou First Hospital affiliated to Fujian Medical University, Quanzhou, China
| | - Yi-Fan Zhang
- Department of Pharmacy, Quanzhou First Hospital affiliated to Fujian Medical University, Quanzhou, China
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11
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Athreya A, Iyer R, Neavin D, Wang L, Weinshilboum R, Kaddurah-Daouk R, Rush J, Frye M, Bobo W. Augmentation of Physician Assessments with Multi-Omics Enhances Predictability of Drug Response: A Case Study of Major Depressive Disorder. IEEE COMPUT INTELL M 2018; 13:20-31. [PMID: 30467458 DOI: 10.1109/mci.2018.2840660] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This work proposes a "learning-augmented clinical assessment" workflow to sequentially augment physician assessments of patients' symptoms and their socio-demographic measures with heterogeneous biological measures to accurately predict treatment outcomes using machine learning. Across many psychiatric illnesses, ranging from major depressive disorder to schizophrenia, symptom severity assessments are subjective and do not include biological measures, making predictability in eventual treatment outcomes a challenge. Using data from the Mayo Clinic PGRN-AMPS SSRI trial as a case study, this work demonstrates a significant improvement in the prediction accuracy for antidepressant treatment outcomes in patients with major depressive disorder from 35% to 80% individualized by patient, compared to using only a physician's assessment as the predictors. This improvement is achieved through an iterative overlay of biological measures, starting with metabolites (blood measures modulated by drug action) associated with symptom severity, and then adding in genes associated with metabolomic concentrations. Hence, therapeutic efficacy for a new patient can be assessed prior to treatment, using prediction models that take as inputs, selected biological measures and physician's assessments of depression severity. Of broader significance extending beyond psychiatry, the approach presented in this work can potentially be applied to predicting treatment outcomes for other medical conditions, such as migraine headaches or rheumatoid arthritis, for which patients are treated according to subject-reported assessments of symptom severity.
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Affiliation(s)
- Arjun Athreya
- Department of Electrical and Computer Engineering, Univ. of Illinois at Urbana-Champaign, IL, USA
| | - Ravishankar Iyer
- Department of Electrical and Computer Engineering, Univ. of Illinois at Urbana-Champaign, IL, USA
| | - Drew Neavin
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, MN, USA
| | - Liewei Wang
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, MN, USA
| | - Richard Weinshilboum
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, MN, USA
| | | | - John Rush
- Department of Psychiatry and Behavioral Sciences, Duke University, NC, USA
| | - Mark Frye
- Department of Psychiatry and Psychology, Mayo Clinic, MN, USA
| | - William Bobo
- Department of Psychiatry and Psychology, Mayo Clinic, FL, USA
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Abstract
Traditional pharmacological treatments for depression have a delayed therapeutic onset, ranging from several weeks to months, and there is a high percentage of individuals who never respond to treatment. In contrast, ketamine produces rapid-onset antidepressant, anti-suicidal, and anti-anhedonic actions following a single administration to patients with depression. Proposed mechanisms of the antidepressant action of ketamine include N-methyl-D-aspartate receptor (NMDAR) modulation, gamma aminobutyric acid (GABA)-ergic interneuron disinhibition, and direct actions of its hydroxynorketamine (HNK) metabolites. Downstream actions include activation of the mechanistic target of rapamycin (mTOR), deactivation of glycogen synthase kinase-3 and eukaryotic elongation factor 2 (eEF2), enhanced brain-derived neurotrophic factor (BDNF) signaling, and activation of α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid receptors (AMPARs). These putative mechanisms of ketamine action are not mutually exclusive and may complement each other to induce potentiation of excitatory synapses in affective-regulating brain circuits, which results in amelioration of depression symptoms. We review these proposed mechanisms of ketamine action in the context of how such mechanisms are informing the development of novel putative rapid-acting antidepressant drugs. Such drugs that have undergone pre-clinical, and in some cases clinical, testing include the muscarinic acetylcholine receptor antagonist scopolamine, GluN2B-NMDAR antagonists (i.e., CP-101,606, MK-0657), (2R,6R)-HNK, NMDAR glycine site modulators (i.e., 4-chlorokynurenine, pro-drug of the glycineB NMDAR antagonist 7-chlorokynurenic acid), NMDAR agonists [i.e., GLYX-13 (rapastinel)], metabotropic glutamate receptor 2/3 (mGluR2/3) antagonists, GABAA receptor modulators, and drugs acting on various serotonin receptor subtypes. These ongoing studies suggest that the future acute treatment of depression will typically occur within hours, rather than months, of treatment initiation.
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Affiliation(s)
- Panos Zanos
- Department of Psychiatry, University of Maryland School of Medicine, Rm. 934F MSTF, 685 W. Baltimore St., Baltimore, MD, 21201, USA.
| | - Scott M Thompson
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA
- Department of Physiology, University of Maryland School of Medicine, St. BRB 5-007, 655 W. Baltimore St., Baltimore, MD, 21201, USA, Baltimore, MD, 21201, USA
| | - Ronald S Duman
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
- Department of Neurobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Carlos A Zarate
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Todd D Gould
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
- Department of Psychiatry, University of Maryland School of Medicine, Rm. 936 MSTF, 685 W. Baltimore St., Baltimore, MD, 21201, USA
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13
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McMurray KMJ, Ramaker MJ, Barkley-Levenson AM, Sidhu PS, Elkin P, Reddy MK, Guthrie ML, Cook JM, Rawal VH, Arnold LA, Dulawa SC, Palmer AA. Identification of a novel, fast-acting GABAergic antidepressant. Mol Psychiatry 2018; 23:384-391. [PMID: 28322281 PMCID: PMC5608625 DOI: 10.1038/mp.2017.14] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 12/07/2016] [Accepted: 01/09/2017] [Indexed: 01/04/2023]
Abstract
Current pharmacotherapies for depression exhibit slow onset, side effects and limited efficacy. Therefore, identification of novel fast-onset antidepressants is desirable. GLO1 is a ubiquitous cellular enzyme responsible for the detoxification of the glycolytic byproduct methylglyoxal (MG). We have previously shown that MG is a competitive partial agonist at GABA-A receptors. We examined the effects of genetic and pharmacological inhibition of GLO1 in two antidepressant assay models: the tail suspension test (TST) and the forced swim test (FST). We also examined the effects of GLO1 inhibition in three models of antidepressant onset: the chronic FST (cFST), chronic mild stress (CMS) paradigm and olfactory bulbectomy (OBX). Genetic knockdown of Glo1 or pharmacological inhibition using two structurally distinct GLO1 inhibitors (S-bromobenzylglutathione cyclopentyl diester (pBBG) or methyl-gerfelin (MeGFN)) reduced immobility in the TST and acute FST. Both GLO1 inhibitors also reduced immobility in the cFST after 5 days of treatment. In contrast, the serotonin reuptake inhibitor fluoxetine (FLX) reduced immobility after 14, but not 5 days of treatment. Furthermore, 5 days of treatment with either GLO1 inhibitor blocked the depression-like effects induced by CMS on the FST and coat state, and attenuated OBX-induced locomotor hyperactivity. Finally, 5 days of treatment with a GLO1 inhibitor (pBBG), but not FLX, induced molecular markers of the antidepressant response including brain-derived neurotrophic factor (BDNF) induction and increased phosphorylated cyclic-AMP response-binding protein (pCREB) to CREB ratio in the hippocampus and medial prefrontal cortex (mPFC). Our findings indicate that GLO1 inhibitors may provide a novel and fast-acting pharmacotherapy for depression.
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Affiliation(s)
- Katherine M. J. McMurray
- Committee on Neurobiology, University of Chicago, Chicago IL 60637, USA,Department of Human Genetics, University of Chicago, Chicago, IL 60637, USA
| | - Marcia J. Ramaker
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago IL 60637, USA
| | - Amanda M. Barkley-Levenson
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Preetpal S. Sidhu
- Department of Chemistry and Biochemistry and the Milwaukee Institute for Drug Discovery, University of Wisconsin – Milwaukee, Milwaukee, WI 53211, USA
| | - Pavel Elkin
- Department of Chemistry, University of Chicago, Chicago IL 60637, USA
| | - M. Kashi Reddy
- Department of Chemistry and Biochemistry and the Milwaukee Institute for Drug Discovery, University of Wisconsin – Milwaukee, Milwaukee, WI 53211, USA
| | - Margaret L. Guthrie
- Department of Chemistry and Biochemistry and the Milwaukee Institute for Drug Discovery, University of Wisconsin – Milwaukee, Milwaukee, WI 53211, USA
| | - James M. Cook
- Department of Chemistry and Biochemistry and the Milwaukee Institute for Drug Discovery, University of Wisconsin – Milwaukee, Milwaukee, WI 53211, USA
| | - Viresh H. Rawal
- Department of Chemistry, University of Chicago, Chicago IL 60637, USA
| | - Leggy A. Arnold
- Department of Chemistry and Biochemistry and the Milwaukee Institute for Drug Discovery, University of Wisconsin – Milwaukee, Milwaukee, WI 53211, USA
| | - Stephanie C. Dulawa
- Committee on Neurobiology, University of Chicago, Chicago IL 60637, USA,Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago IL 60637, USA,Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Abraham A. Palmer
- Department of Human Genetics, University of Chicago, Chicago, IL 60637, USA,Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago IL 60637, USA,Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA,Institute for Genome Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA,Corresponding Author: Abraham A. Palmer, Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093,
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14
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Beta-defensin 1, aryl hydrocarbon receptor and plasma kynurenine in major depressive disorder: metabolomics-informed genomics. Transl Psychiatry 2018; 8:10. [PMID: 29317604 PMCID: PMC5802574 DOI: 10.1038/s41398-017-0056-8] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 10/01/2017] [Indexed: 02/08/2023] Open
Abstract
Major depressive disorder (MDD) is a heterogeneous disease. Efforts to identify biomarkers for sub-classifying MDD and antidepressant therapy by genome-wide association studies (GWAS) alone have generally yielded disappointing results. We applied a metabolomics-informed genomic research strategy to study the contribution of genetic variation to MDD pathophysiology by assaying 31 metabolites, including compounds from the tryptophan, tyrosine, and purine pathways, in plasma samples from 290 MDD patients. Associations of metabolite concentrations with depressive symptoms were determined, followed by GWAS for selected metabolites and functional validation studies of the genes identified. Kynurenine (KYN), the baseline plasma metabolite that was most highly associated with depressive symptoms, was negatively correlated with severity of those symptoms. GWAS for baseline plasma KYN concentrations identified SNPs across the beta-defensin 1 (DEFB1) and aryl hydrocarbon receptor (AHR) genes that were cis-expression quantitative trait loci (eQTLs) for DEFB1 and AHR mRNA expression, respectively. Furthermore, the DEFB1 locus was associated with severity of MDD symptoms in a larger cohort of 803 MDD patients. Functional studies demonstrated that DEFB1 could neutralize lipopolysaccharide-stimulated expression of KYN-biosynthesizing enzymes in monocytic cells, resulting in altered KYN concentrations in the culture media. In addition, we demonstrated that AHR was involved in regulating the expression of enzymes in the KYN pathway and altered KYN biosynthesis in cell lines of hepatocyte and astrocyte origin. In conclusion, these studies identified SNPs that were cis-eQTLs for DEFB1 and AHR and, which were associated with variation in plasma KYN concentrations that were related to severity of MDD symptoms.
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15
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Balmus IM, Ciobica A. Main Plant Extracts' Active Properties Effective on Scopolamine-Induced Memory Loss. Am J Alzheimers Dis Other Demen 2017; 32:418-428. [PMID: 28643520 PMCID: PMC10852862 DOI: 10.1177/1533317517715906] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Alzheimer's disease leads to progressive cognitive function loss, which may impair both intellectual capacities and psychosocial aspects. Although the current knowledge points to a multifactorial character of Alzheimer's disease, the most issued pathological hypothesis remains the cholinergic theory. The main animal model used in cholinergic theory research is the scopolamine-induced memory loss model. Although, in some cases, a temporary symptomatic relief can be obtained through targeting the cholinergic or glutamatergic neurotransmitter systems, no current treatment is able to stop or slow cognitive impairment. Many potentially successful therapies are often blocked by the blood-brain barrier since it exhibits permeability only for several classes of active molecules. However, the plant extracts' active molecules are extremely diverse and heterogeneous regarding the biochemical structure. In this way, many active compounds constituting the recently tested plant extracts may exhibit the same general effect on acetylcholine pathway, but on different molecular ground, which can be successfully used in Alzheimer's disease adjuvant therapy.
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Affiliation(s)
- Ioana-Miruna Balmus
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University, Iasi, Romania
| | - Alin Ciobica
- Department of Research, Faculty of Biology, Alexandru Ioan Cuza University, Iasi, Romania
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16
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Zhou Q, Dong J, Xu T, Cai X. Synaptic potentiation mediated by L-type voltage-dependent calcium channels mediates the antidepressive effects of lateral habenula stimulation. Neuroscience 2017; 362:25-32. [DOI: 10.1016/j.neuroscience.2017.08.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 08/12/2017] [Accepted: 08/14/2017] [Indexed: 12/22/2022]
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17
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Ahnaou A, Huysmans H, Biermans R, Manyakov NV, Drinkenburg WHIM. Ketamine: differential neurophysiological dynamics in functional networks in the rat brain. Transl Psychiatry 2017; 7:e1237. [PMID: 28926001 PMCID: PMC5639243 DOI: 10.1038/tp.2017.198] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 06/13/2017] [Accepted: 06/13/2017] [Indexed: 12/21/2022] Open
Abstract
Recently, the N-methyl-d-aspartate-receptor (NMDAR) antagonist ketamine has emerged as a fast-onset mechanism to achieve antidepressant activity, whereas its psychomimetic, dissociative and amnestic effects have been well documented to pharmacologically model schizophrenia features in rodents. Sleep-wake architecture, neuronal oscillations and network connectivity are key mechanisms supporting brain plasticity and cognition, which are disrupted in mood disorders such as depression and schizophrenia. In rats, we investigated the dynamic effects of acute and chronic subcutaneous administration of ketamine (2.5, 5 and 10 mg kg-1) on sleep-wake cycle, multichannels network interactions assessed by coherence and phase-amplitude cross-frequency coupling, locomotor activity (LMA), cognitive information processing as reflected by the mismatch negativity-like (MMN) component of event-related brain potentials (ERPs). Acute ketamine elicited a short, lasting inhibition of rapid eye movement (REM) sleep, increased coherence in higher gamma frequency oscillations independent of LMA, altered theta-gamma phase-amplitude coupling, increased MMN peak-amplitude response and evoked higher gamma oscillations. In contrast, chronic ketamine reduced large-scale communication among cortical regions by decreasing oscillations and coherent activity in the gamma frequency range, shifted networks activity towards slow alpha rhythm, decreased MMN peak response and enhanced aberrant higher gamma neuronal network oscillations. Altogether, our data show that acute and chronic ketamine elicited differential changes in network connectivity, ERPs and event-related oscillations (EROs), supporting possible underlying alterations in NMDAR-GABAergic signaling. The findings underscore the relevance of intermittent dosing of ketamine to accurately maintain the functional integrity of neuronal networks for long-term plastic changes and therapeutic effect.
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Affiliation(s)
- A Ahnaou
- Department of Neuroscience Discovery, Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - H Huysmans
- Department of Neuroscience Discovery, Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - R Biermans
- Department of Neuroscience Discovery, Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - N V Manyakov
- Department of Neuroscience Discovery, Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - W H I M Drinkenburg
- Department of Neuroscience Discovery, Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
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18
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Zarate CA, Machado-Vieira R. Ketamine: translating mechanistic discoveries into the next generation of glutamate modulators for mood disorders. Mol Psychiatry 2017; 22:324-327. [PMID: 28070122 PMCID: PMC5641407 DOI: 10.1038/mp.2016.249] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- C A Zarate
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - R Machado-Vieira
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
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19
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Chowdhury GMI, Zhang J, Thomas M, Banasr M, Ma X, Pittman B, Bristow L, Schaeffer E, Duman R, Rothman D, Behar K, Sanacora G. Transiently increased glutamate cycling in rat PFC is associated with rapid onset of antidepressant-like effects. Mol Psychiatry 2017; 22:120-126. [PMID: 27067013 PMCID: PMC5345902 DOI: 10.1038/mp.2016.34] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 01/13/2016] [Accepted: 02/11/2016] [Indexed: 02/05/2023]
Abstract
Several drugs have recently been reported to induce rapid antidepressant effects in clinical trials and rodent models. Although the cellular mechanisms involved remain unclear, reports suggest that increased glutamate transmission contributes to these effects. Here, we demonstrate that the antidepressant-like efficacy of three unique drugs, with reported rapid onset antidepressant properties, is coupled with a rapid transient rise in glutamate cycling in the medial prefronal cortex (mPFC) of awake rats as measured by ex vivo 1H-[13C]-nuclear magnetic resonance spectroscopy. Rats were acutely pretreated by intraperitoneal injection with a single dose of ketamine (1, 3, 10, 30 and 80 mg kg-1), Ro 25-6981 (1, 3 and 10 mg kg-1), scopolamine (5, 25 and 100 μg kg-1) or vehicle (controls). At fixed times after drug injection, animals received an intravenous infusion of [1,6-13C2]glucose for 8 min to enrich the amino-acid pools of the brain with 13C, followed by rapid euthanasia. The mPFC was dissected, extracted with ethanol and metabolite 13C enrichments were measured. We found a clear dose-dependent effect of ketamine and Ro 25-6981 on behavior and the percentage of 13C enrichment of glutamate, glutamine and GABA (γ-aminobutyric acid). Further, we also found an effect of scopolamine on both cycling and behavior. These studies demonstrate that three pharmacologically distinct classes of drugs, clinically related through their reported rapid antidepressant actions, share the common ability to rapidly stimulate glutamate cycling at doses pertinent for their antidepressant-like efficacy. We conclude that increased cycling precedes the antidepressant action at behaviorally effective doses and suggest that the rapid change in cycling could be used to predict efficacy of novel agents or identify doses with antidepressant activity.
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Affiliation(s)
- Golam M. I. Chowdhury
- Department of Psychiatry and Magnetic Resonance Research Center, Yale University School of Medicine, New Haven, CT USA 06519
| | - Jie Zhang
- Department of Psychiatry and the Ribicoff Research Facilities, Yale University School of Medicine, New Haven, CT USA 06519
- Mental Health Centre, Shantou University Medical College, Shantou, Guangdong P. R. China 515065
| | - Monique Thomas
- Department of Psychiatry and Magnetic Resonance Research Center, Yale University School of Medicine, New Haven, CT USA 06519
| | - Mounira Banasr
- Department of Psychiatry and the Ribicoff Research Facilities, Yale University School of Medicine, New Haven, CT USA 06519
| | - Xiaoxian Ma
- Department of Psychiatry and Magnetic Resonance Research Center, Yale University School of Medicine, New Haven, CT USA 06519
| | - Brian Pittman
- Department of Psychiatry and the Ribicoff Research Facilities, Yale University School of Medicine, New Haven, CT USA 06519
| | - Linda Bristow
- Bristol-Myers Squibb, 5 Research Parkway, Wallingford, CT 06492
| | - Eric Schaeffer
- Janssen Research & Development, 1125 Trenton-Harbourton Road, Titusville, NJ 08569
| | - Ronald Duman
- Department of Psychiatry and the Ribicoff Research Facilities, Yale University School of Medicine, New Haven, CT USA 06519
| | - Douglas Rothman
- Diagnostic Radiology and Magnetic Resonance Research Center, Yale University School of Medicine, New Haven, CT USA 06520
| | - Kevin Behar
- Department of Psychiatry and Magnetic Resonance Research Center, Yale University School of Medicine, New Haven, CT USA 06519
| | - Gerard Sanacora
- Department of Psychiatry and the Ribicoff Research Facilities, Yale University School of Medicine, New Haven, CT USA 06519
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Razmjou S, Litteljohn D, Rudyk C, Syed S, Clarke M, Pentz R, Dwyer Z, Hayley S. The interactive effects of ketamine and magnesium upon depressive-like pathology. Neuropsychiatr Dis Treat 2016; 12:2049-56. [PMID: 27660449 PMCID: PMC5019465 DOI: 10.2147/ndt.s111131] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Approximately one-third of patients with major depressive disorders (MDDs) are resistant to current treatment methods, and the majority of cases relapse at some point during therapy. This has resulted in novel treatments being adopted, including subanesthetic doses of ketamine, which affects aberrant neuroplastic circuits, glutamatergic signaling, and the production of brain-derived neurotrophic factor. Ketamine rapidly relieves depressive symptoms in treatment-resistant major depressive disorder patients with effects that last for up to 2 weeks even after a single administration. However, it is also a drug with an abusive potential and can have marked side effects. Hence, this study aimed at enhancing the antidepressant-like effects of ketamine (allowing for lower dosing regimens) by coadministering magnesium hydroaspartate (Mg(2+) normally affects the same receptors as ketamine) and also assessed whether an Mg(2+)-deficient diet would modify the impact of ketamine. It was found that a single 15 mg/kg dose of ketamine did indeed induce rapid antidepressant-like effects in the forced swim test but did not affect brain levels of the brain-derived neurotrophic factor. Contrary to our hypothesis, magnesium administration or deficiency did not influence the impact of ketamine on these outcomes. Thus, these data do not support the use of magnesium as an adjunct agent and instead suggest that further research involving other antidepressant and animal models is required to confirm the present findings.
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Affiliation(s)
- Sara Razmjou
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Darcy Litteljohn
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Chris Rudyk
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Shuaib Syed
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Melanie Clarke
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Rowan Pentz
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Zach Dwyer
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Shawn Hayley
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
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Beurel E, Grieco SF, Amadei C, Downey K, Jope RS. Ketamine-induced inhibition of glycogen synthase kinase-3 contributes to the augmentation of α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) receptor signaling. Bipolar Disord 2016; 18:473-480. [PMID: 27687706 PMCID: PMC5071181 DOI: 10.1111/bdi.12436] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 08/15/2016] [Accepted: 08/18/2016] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Sub-anesthetic doses of ketamine have been found to provide rapid antidepressant actions, indicating that the cellular signaling systems targeted by ketamine are potential sites for therapeutic intervention. Ketamine acts as an antagonist of N-methyl-D-aspartate (NMDA) receptors, and animal studies indicate that subsequent augmentation of signaling by α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) receptors is critical for the antidepressant outcome. METHODS In this study, we tested if the inhibitory effect of ketamine on glycogen synthase kinase-3 (GSK3) affected hippocampal cell-surface AMPA receptors using immunoblotting of membrane and synaptosomal extracts from wild-type and GSK3 knockin mice. RESULTS Treatment with an antidepressant dose of ketamine increased the hippocampal membrane level of the AMPA glutamate receptor (GluA)1 subunit, but did not alter the localization of GluA2, GluA3, or GluA4. This effect of ketamine was abrogated in GSK3 knockin mice expressing mutant GSK3 that cannot be inhibited by ketamine, demonstrating that ketamine-induced inhibition of GSK3 is necessary for up-regulation of cell surface AMPA GluA1 subunits. AMPA receptor trafficking is regulated by post-synaptic density-95 (PSD-95), a substrate for GSK3. Ketamine treatment decreased the hippocampal membrane level of phosphorylated PSD-95 on Thr-19, the target of GSK3 that promotes AMPA receptor internalization. CONCLUSIONS These results demonstrate that ketamine-induced inhibition of GSK3 causes reduced phosphorylation of PSD-95, diminishing the internalization of AMPA GluA1 subunits to allow for augmented signaling through AMPA receptors following ketamine treatment.
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Affiliation(s)
- Eléonore Beurel
- Department of Psychiatry and Behavioral Sciences and Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA.
| | - Steven F Grieco
- Department of Psychiatry and Behavioral Sciences and Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Celeste Amadei
- Department of Psychiatry and Behavioral Sciences and Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Kimberlee Downey
- Department of Psychiatry and Behavioral Sciences and Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Richard S Jope
- Department of Psychiatry and Behavioral Sciences and Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
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Kishimoto T, Chawla JM, Hagi K, Zarate CA, Kane JM, Bauer M, Correll CU. Single-dose infusion ketamine and non-ketamine N-methyl-d-aspartate receptor antagonists for unipolar and bipolar depression: a meta-analysis of efficacy, safety and time trajectories. Psychol Med 2016; 46:1459-1472. [PMID: 26867988 PMCID: PMC5116384 DOI: 10.1017/s0033291716000064] [Citation(s) in RCA: 249] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Ketamine and non-ketamine N-methyl-d-aspartate receptor antagonists (NMDAR antagonists) recently demonstrated antidepressant efficacy for the treatment of refractory depression, but effect sizes, trajectories and possible class effects are unclear. METHOD We searched PubMed/PsycINFO/Web of Science/clinicaltrials.gov until 25 August 2015. Parallel-group or cross-over randomized controlled trials (RCTs) comparing single intravenous infusion of ketamine or a non-ketamine NMDAR antagonist v. placebo/pseudo-placebo in patients with major depressive disorder (MDD) and/or bipolar depression (BD) were included in the analyses. Hedges' g and risk ratios and their 95% confidence intervals (CIs) were calculated using a random-effects model. The primary outcome was depressive symptom change. Secondary outcomes included response, remission, all-cause discontinuation and adverse effects. RESULTS A total of 14 RCTs (nine ketamine studies: n = 234; five non-ketamine NMDAR antagonist studies: n = 354; MDD = 554, BD = 34), lasting 10.0 ± 8.8 days, were meta-analysed. Ketamine reduced depression significantly more than placebo/pseudo-placebo beginning at 40 min, peaking at day 1 (Hedges' g = -1.00, 95% CI -1.28 to -0.73, p < 0.001), and loosing superiority by days 10-12. Non-ketamine NMDAR antagonists were superior to placebo only on days 5-8 (Hedges' g = -0.37, 95% CI -0.66 to -0.09, p = 0.01). Compared with placebo/pseudo-placebo, ketamine led to significantly greater response (40 min to day 7) and remission (80 min to days 3-5). Non-ketamine NMDAR antagonists achieved greater response at day 2 and days 3-5. All-cause discontinuation was similar between ketamine (p = 0.34) or non-ketamine NMDAR antagonists (p = 0.94) and placebo. Although some adverse effects were more common with ketamine/NMDAR antagonists than placebo, these were transient and clinically insignificant. CONCLUSIONS A single infusion of ketamine, but less so of non-ketamine NMDAR antagonists, has ultra-rapid efficacy for MDD and BD, lasting for up to 1 week. Development of easy-to-administer, repeatedly given NMDAR antagonists without risk of brain toxicity is of critical importance.
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Affiliation(s)
- T. Kishimoto
- Keio University School of Medicine, Tokyo, Japan
- The Zucker Hillside Hospital, Psychiatry Research, Northwell Health System, Glen Oaks, NY, USA
- Hofstra Northwell School of Medicine, Hempstead, NY, USA
- The Feinstein Institute for Medical Research, Manhasset, NY, USA
| | - J. M. Chawla
- The Zucker Hillside Hospital, Psychiatry Research, Northwell Health System, Glen Oaks, NY, USA
| | - K. Hagi
- The Zucker Hillside Hospital, Psychiatry Research, Northwell Health System, Glen Oaks, NY, USA
- Sumitomo Dainippon Pharma Co., Ltd., Medical Affairs, Tokyo, Japan
| | - C. A. Zarate
- National Institute of Mental Health, Bethesda, Northwell Health System, MD, USA
| | - J. M. Kane
- The Zucker Hillside Hospital, Psychiatry Research, Northwell Health System, Glen Oaks, NY, USA
- Hofstra Northwell School of Medicine, Hempstead, NY, USA
- The Feinstein Institute for Medical Research, Manhasset, NY, USA
| | - M. Bauer
- Klinik und Poliklinik für Psychiatrie und Psychotherapie, Universitätsklinikum Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - C. U. Correll
- The Zucker Hillside Hospital, Psychiatry Research, Northwell Health System, Glen Oaks, NY, USA
- Hofstra Northwell School of Medicine, Hempstead, NY, USA
- The Feinstein Institute for Medical Research, Manhasset, NY, USA
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23
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Xu Y, Hackett M, Carter G, Loo C, Gálvez V, Glozier N, Glue P, Lapidus K, McGirr A, Somogyi AA, Mitchell PB, Rodgers A. Effects of Low-Dose and Very Low-Dose Ketamine among Patients with Major Depression: a Systematic Review and Meta-Analysis. Int J Neuropsychopharmacol 2015; 19:pyv124. [PMID: 26578082 PMCID: PMC4851268 DOI: 10.1093/ijnp/pyv124] [Citation(s) in RCA: 151] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 11/11/2015] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Several recent trials indicate low-dose ketamine produces rapid antidepressant effects. However, uncertainty remains in several areas: dose response, consistency across patient groups, effects on suicidality, and possible biases arising from crossover trials. METHODS A systematic search was conducted for relevant randomized trials in Medline, Embase, and PsycINFO databases up to August 2014. The primary endpoints were change in depression scale scores at days 1, 3 and 7, remission, response, suicidality, safety, and tolerability. Data were independently abstracted by 2 reviewers. Where possible, unpublished data were obtained on treatment effects in the first period of crossover trials. RESULTS Nine trials were identified, including 201 patients (52% female, mean age 46 years). Six trials assessed low-dose ketamine (0.5 mg/kg i.v.) and 3 tested very low-dose ketamine (one trial assessed 50 mg intra-nasal spray, another assessed 0.1-0.4 mg/kg i.v., and another assessed 0.1-0.5 mg/kg i.v., intramuscular, or s.c.). At day 3, the reduction in depression severity score was less marked in the very low-dose trials (P homogeneity <.05) and among bipolar patients. In analyses excluding the second period of crossover trials, response rates at day 7 were increased with ketamine (relative risk 3.4, 95% CI 1.6-7.1, P=.001), as were remission rates (relative risk 2.6, CI 1.2-5.7, P=.02). The absolute benefits were large, with day 7 remission rates of 24% vs 6% (P=.02). Seven trials provided unpublished data on suicidality item scores, which were reduced on days 1 and 3 (both P<.01) but not day 7. CONCLUSION Low-dose ketamine appears more effective than very low dose. There is substantial heterogeneity in clinical response, with remission among one-fifth of patients at 1 week but most others having benefits that are less durable. Larger, longer term parallel group trials are needed to determine if efficacy can be extended and to further assess safety.
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Affiliation(s)
| | | | | | - Colleen Loo
- The George Institute for Global Health, The University of Sydney, Sydney, Australia (Drs Xu, Hackett, and Rodgers); Centre for Translational Neuroscience and Mental Health, University of Newcastle, Australia (Dr Carter); School of Psychiatry, University of New South Wales & Black Dog Institute, Sydney, Australia (Drs Loo, Gálvez, and Mitchell); Brain and Mind Research Institute, University of Sydney, Australia (Dr Glozier); Department of Psychiatry, University of Otago, New Zealand (Dr Glue); Departments of Psychiatry and Neurobiology, Stony Brook University, Stony Brook, NY (Dr Lapidus); Department of Psychiatry, University of British Colombia, Canada (Dr McGirr); Discipline of Pharmacology, Faculty of Health Sciences, The University of Adelaide, Adelaide, Australia (Dr Somogyi).
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Burgdorf J, Zhang XL, Weiss C, Gross A, Boikess SR, Kroes RA, Khan MA, Burch RM, Rex CS, Disterhoft JF, Stanton PK, Moskal JR. The long-lasting antidepressant effects of rapastinel (GLYX-13) are associated with a metaplasticity process in the medial prefrontal cortex and hippocampus. Neuroscience 2015; 308:202-11. [PMID: 26343295 DOI: 10.1016/j.neuroscience.2015.09.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 08/28/2015] [Accepted: 09/01/2015] [Indexed: 01/14/2023]
Abstract
Rapastinel (GLYX-13) is an N-methyl-d-aspartate receptor (NMDAR) modulator that has characteristics of a glycine site partial agonist. Rapastinel is a robust cognitive enhancer and facilitates hippocampal long-term potentiation (LTP) of synaptic transmission in slices. In human clinical trials, rapastinel has been shown to produce marked antidepressant properties that last for at least one week following a single dose. The long-lasting antidepressant effect of a single dose of rapastinel (3mg/kg IV) was assessed in rats using the Porsolt, open field and ultrasonic vocalization assays. Cognitive enhancement was examined using the Morris water maze, positive emotional learning, and contextual fear extinction tests. LTP was assessed in hippocampal slices. Dendritic spine morphology was measured in the dentate gyrus and the medial prefrontal cortex. Significant antidepressant-like or cognitive enhancing effects were observed that lasted for at least one week in each model. Rapastinel facilitated LTP 1day-2weeks but not 4weeks post-dosing. Biweekly dosing with rapastinel sustained this effect for at least 8weeks. A single dose of rapastinel increased the proportion of whole-cell NMDAR current contributed by NR2B-containing NMDARs in the hippocampus 1week post-dosing, that returned to baseline by 4weeks post-dosing. The NMDAR antagonist 3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid (CPP) blocked the antidepressant-like effect of rapastinel 1week post dosing. A single injection of rapastinel also increased mature spine density in both brain regions 24h post-dosing. These data demonstrate that rapastinel produces its long-lasting antidepressant effects via triggering NMDAR-dependent processes that lead to increased sensitivity to LTP that persist for up to two weeks. These data also suggest that these processes led to the alterations in dendritic spine morphologies associated with the maintenance of long-term changes in synaptic plasticity associated with learning and memory.
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Affiliation(s)
- J Burgdorf
- Falk Center for Molecular Therapeutics, Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA
| | - X-L Zhang
- Department of Cell Biology & Anatomy, Basic Sciences Building, Room 217, New York Medical College, Valhalla, NY 10595, USA
| | - C Weiss
- Department of Physiology, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue, Ward Building 7-140, Chicago, IL 60611, USA
| | - A Gross
- Naurex Inc., 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA
| | - S R Boikess
- Afraxis Inc., 11099 North Torrey Pines Road, Suite 290, La Jolla, CA 92037, USA
| | - R A Kroes
- Naurex Inc., 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA
| | - M A Khan
- Naurex Inc., 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA
| | - R M Burch
- Naurex Inc., 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA
| | - C S Rex
- Afraxis Inc., 11099 North Torrey Pines Road, Suite 290, La Jolla, CA 92037, USA
| | - J F Disterhoft
- Department of Physiology, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue, Ward Building 7-140, Chicago, IL 60611, USA
| | - P K Stanton
- Department of Cell Biology & Anatomy, Basic Sciences Building, Room 217, New York Medical College, Valhalla, NY 10595, USA
| | - J R Moskal
- Falk Center for Molecular Therapeutics, Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA; Naurex Inc., 1801 Maple Avenue, Suite 4300, Evanston, IL 60201, USA.
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25
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Ketamine and suicidal ideation in depression: Jumping the gun? Pharmacol Res 2015; 99:23-35. [DOI: 10.1016/j.phrs.2015.05.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 05/05/2015] [Accepted: 05/06/2015] [Indexed: 02/07/2023]
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Gassaway MM, Rives ML, Kruegel AC, Javitch JA, Sames D. The atypical antidepressant and neurorestorative agent tianeptine is a μ-opioid receptor agonist. Transl Psychiatry 2014; 4:e411. [PMID: 25026323 PMCID: PMC4119213 DOI: 10.1038/tp.2014.30] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 03/26/2014] [Indexed: 12/12/2022] Open
Abstract
Current pharmacological treatments of depression and related disorders suffer from major problems, such as a low rate of response, slow onset of therapeutic effects, loss of efficacy over time and serious side effects. Therefore, there is an urgent need to explore new therapeutic approaches that address these issues. Interestingly, the atypical antidepressant tianeptine already meets in part these clinical goals. However, in spite of three decades of basic and clinical investigations, the molecular target of tianeptine, as well as its mechanism of action, remains elusive. Herein, we report the characterization of tianeptine as a μ-opioid receptor (MOR) agonist. Using radioligand binding and cell-based functional assays, including bioluminescence resonance energy transfer-based assays for G-protein activation and cAMP accumulation, we identified tianeptine as an efficacious MOR agonist (K(i Human) of 383±183 nM and EC(50 Human) of 194±70 nM and EC(50 Mouse) of 641±120 nM for G-protein activation). Tianeptine was also a full δ-opioid receptor (DOR) agonist, although with much lower potency (EC(50 Human) of 37.4±11.2 μM and EC(50 Mouse) of 14.5±6.6 μM for G-protein activation). In contrast, tianeptine was inactive at the κ-opioid receptor (KOR, both human and rat). On the basis of these pharmacological data, we propose that activation of MOR (or dual activation of MOR and DOR) could be the initial molecular event responsible for triggering many of the known acute and chronic effects of this agent, including its antidepressant and anxiolytic actions.
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Affiliation(s)
- M M Gassaway
- Department of Chemistry, Columbia University, New York, NY, USA
| | - M-L Rives
- Department of Psychiatry, Columbia University, New York, NY, USA,Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, USA
| | - A C Kruegel
- Department of Chemistry, Columbia University, New York, NY, USA
| | - J A Javitch
- Department of Psychiatry, Columbia University, New York, NY, USA,Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, USA,Department of Pharmacology, Columbia University, New York, NY, USA,Division of Molecular Therapeutics, New York State Psychiatric Institute, 1051 Riverside Drive, Unit 19, New York, NY 10032, USA. E-mail:
| | - D Sames
- Department of Chemistry, Columbia University, New York, NY, USA,Department of Chemistry, Columbia University, 3000 Broadway, MC3101, New York, NY 10027, USA. E-mail:
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Abstract
As directors of two NIH institutes supporting neuroscience research, we explore the gap between 25 years of stunning progress in fundamental neuroscience and the persistent needs of those with brain disorders. We conclude that closing this gap will require a more detailed comprehension of brain function, a rethinking of how we approach translational science, a focus on human neurobiology, and a continuing commitment to build a diverse, innovative neuroscience workforce. In contrast to many other areas of medicine, we lack basic knowledge about our organ of interest. The next phase of progress on brain disorders will require a significantly deeper understanding of fundamental neurobiology.
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Affiliation(s)
- Thomas R Insel
- National Institute of Mental Health, 6001 Executive Boulevard, Room 8129, MSC 9669, Bethesda, MD 20892-9669, USA.
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28
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Liang W, Lam WP, Tang HC, Leung PC, Yew DT. Current Evidence of Chinese Herbal Constituents with Effects on NMDA Receptor Blockade. Pharmaceuticals (Basel) 2013; 6:1039-54. [PMID: 24276380 PMCID: PMC3817734 DOI: 10.3390/ph6081039] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 08/06/2013] [Accepted: 08/19/2013] [Indexed: 11/17/2022] Open
Abstract
NMDA receptor (NMDA-R) is an important molecular entity governing a wide range of functions in the central nervous system. For example, the NMDA-R is involved in memory and cognition, and impairment of both (as in Alzheimer's Disease) is attributed to NMDA-mediated neurotoxicity. With greater understanding of the NMDA-R structure, antagonists with varying degrees of binding-site and subtype selectivity have been developed and put into clinical use. Discovery of target-specific Chinese herbs have also been made in parallel. This article provides an overview of the known active sites on the NMDA-R, followed by a discussion of the relevant herbs and their constituents. Experimental evidence supporting the inhibitory role of the herbal compounds on the NMDA-R is highlighted. For some of the compounds, potential research directions are also proposed to further elucidate the underlying mechanisms of the herbs. It is envisaged that future investigations based on the present data will allow more clinically relevant herbs to be identified.
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Affiliation(s)
- Willmann Liang
- Institute of Chinese Medicine, The Chinese University of Hong Kong, Hong Kong; E-Mails: (W.P.L.); (H.C.T.); (P.C.L.)
| | | | | | | | - David T. Yew
- Institute of Chinese Medicine, The Chinese University of Hong Kong, Hong Kong; E-Mails: (W.P.L.); (H.C.T.); (P.C.L.)
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