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Szopa A, Bogatko K, Serefko A, Herbet M, Ostrowska-Leśko M, Wróbel A, Radziwoń-Zaleska M, Dudka J, Wlaź P, Poleszak E. Antidepressant effects of selective adenosine receptor antagonists targeting the A1 and A2A receptors administered jointly with NMDA receptor ligands: behavioral, biochemical and molecular investigations in mice. Pharmacol Rep 2024; 76:1012-1031. [PMID: 39048810 PMCID: PMC11387455 DOI: 10.1007/s43440-024-00627-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 07/10/2024] [Accepted: 07/10/2024] [Indexed: 07/27/2024]
Abstract
BACKGROUND The objective of the study was to ascertain the antidepressant potential of the co-administration of NMDA receptor ligands and selective adenosine A1 and A2A receptor antagonists. METHODS The forced swim test (FST) and spontaneous locomotor activity test were carried out in adult male naïve mice. Before the behavioral testing, animals received DPCPX (a selective adenosine A1 receptor antagonist, 1 mg/kg) or istradefylline (a selective adenosine A2A receptor antagonist, 0.5 mg/kg) in combination with L-701,324 (a potent NMDA receptor antagonist, 1 mg/kg), D-cycloserine (a partial agonist at the glycine recognition site of NMDA receptor, 2.5 mg/kg), CGP 37849 (a competitive NMDA receptor antagonist, 0.3 mg/kg) or MK-801 (a non-competitive NMDA receptor antagonist, 0.05 mg/kg). Additionally, serum BDNF level and the mRNA level of the Adora1, Comt, and Slc6a15 genes in the murine prefrontal cortex were determined. RESULTS The obtained results showed that DPCPX and istradefylline administered jointly with NMDA receptor ligands (except for DPCPX + D-cycloserine combination) produced an antidepressant effect in the FST in mice without enhancement in spontaneous motility of animals. An elevation in BDNF concentration was noted in the D-cycloserine-treated group. Adora1 expression increased with L-701,324, DPCPX + D-cycloserine, and DPCPX + CGP 37849, while D-cycloserine, CGP 37849, and MK-801 led to a decrease. Comt mRNA levels dropped with DPCPX + L-701,324, istradefylline + L-701,324/CGP 37849 but increased with D-cycloserine, MK-801, CGP 37849 and DPCPX + MK-801/ CGP 37849. Slc6a15 levels were reduced by D-cycloserine, DPCPX + L-701,324 but rose with DPCPX + CGP 37849/MK-801 and istradefylline + D-cycloserine/MK-801/CGP 37849. CONCLUSION Our study suggests that selective antagonists of adenosine receptors may enhance the antidepressant efficacy of NMDA receptor ligands highlighting a potential synergistic interaction between the adenosinergic and glutamatergic systems. Wherein, A2A receptor antagonists are seen as more promising candidates in this context. Given the intricate nature of changes in BDNF levels and the expression of Adora1, Comt, and Slc6a15 seen after drug combinations exerting antidepressant properties, further research and integrative approaches are crucial understand better the mechanisms underlying their antidepressant action.
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Affiliation(s)
- Aleksandra Szopa
- Department of Clinical Pharmacy and Pharmaceutical Care, Medical University of Lublin, Chodźki 7, Lublin, PL, 20-093, Poland
| | - Karolina Bogatko
- Chair and Department of Applied and Social Pharmacy, Laboratory of Preclinical Testing, Medical University of Lublin, Chodźki 1, Lublin, PL, 20-093, Poland.
| | - Anna Serefko
- Department of Clinical Pharmacy and Pharmaceutical Care, Medical University of Lublin, Chodźki 7, Lublin, PL, 20-093, Poland
| | - Mariola Herbet
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, Lublin, PL, 20-093, Poland
| | - Marta Ostrowska-Leśko
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, Lublin, PL, 20-093, Poland
| | - Andrzej Wróbel
- Second Department of Gynecology, Medical University of Lublin, Jaczewskiego 8, Lublin, PL, 20-090, Poland
| | - Maria Radziwoń-Zaleska
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, Warszawa, PL, 00-665, Poland
| | - Jarosław Dudka
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, Lublin, PL, 20-093, Poland
| | - Piotr Wlaź
- Department of Animal Physiology and Pharmacology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, Lublin, PL, 20-033, Poland
| | - Ewa Poleszak
- Chair and Department of Applied and Social Pharmacy, Laboratory of Preclinical Testing, Medical University of Lublin, Chodźki 1, Lublin, PL, 20-093, Poland
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Liu RX, Song DK, Zhang YY, Gong HX, Jin YC, Wang XS, Jiang YL, Yan YX, Lu BN, Wu YM, Wang M, Li XB, Zhang K, Liu SB. L-Cysteine: A promising nutritional supplement for alleviating anxiety disorders. Neuroscience 2024; 555:213-221. [PMID: 39089569 DOI: 10.1016/j.neuroscience.2024.07.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 08/04/2024]
Abstract
Anxiety disorders are prevalent chronic psychological disease with complex pathogenic mechanisms. Current anxiolytics have limited efficacy and numerous side effects in many anxiety patients, highlighting the urgent need for new therapies. Recent research has been focusing on nutritional supplements, particularly amino acids, as potential therapies for anxiety disorders. Among these, L-Cysteine plays a crucial role in various biological processes. L-Cysteine exhibits antioxidant properties that can enhance the antioxidant functions of the central nervous system (CNS). Furthermore, metabolites of L-cysteine, such as glutathione and hydrogen sulfide have been shown to alleviate anxiety through distinct molecular mechanisms. Long-term administration of L-Cysteine has anxiolytic, antidepressant, and memory-improving effects. L-Cysteine depletion can lead to increased oxidative stress in the brain. This review delves into the potential mechanisms of L-Cysteine and its main products, glutathione (GSH) and hydrogen sulfide (H2S) in the management of anxiety and related diseases.
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Affiliation(s)
- Rui-Xia Liu
- College of Life Sciences, Northwest University, Xi'an 710069, China; Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Da-Ke Song
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Ying-Ying Zhang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Heng-Xin Gong
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Yu-Chen Jin
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Xin-Shang Wang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Yong-Li Jiang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xinsi Road 1, Shaanxi, Xi'an 710038, China
| | - Yu-Xuan Yan
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Bei-Ning Lu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Yu-Mei Wu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Min Wang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Xu-Bo Li
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Kun Zhang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China.
| | - Shui-Bing Liu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China.
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Starowicz G, Siodłak D, Nowak G, Mlyniec K. The role of GPR39 zinc receptor in the modulation of glutamatergic and GABAergic transmission. Pharmacol Rep 2023; 75:609-622. [PMID: 36997827 DOI: 10.1007/s43440-023-00478-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 04/01/2023]
Abstract
BACKGROUND Despite our poor understanding of the pathophysiology of depression, a growing body of evidence indicates the role of both glutamate and gamma-aminobutyric acid (GABA) signaling behind the effects of rapid-acting antidepressants (RAADs). GPR39 is a zinc-sensing receptor whose activation leads to a prolonged antidepressant-like response in mice. Both GPR39 and zinc can modulate glutamatergic and GABAergic neurotransmission, however, exact molecular mechanisms are still elusive. In this study, we aimed to research the role of glutamatergic and GABAergic system activation in TC-G 1008 antidepressant-like effects and the disruptions in this effect caused by a low-zinc diet. METHODS In the first part of our study, we investigated the role of joint administration of the GPR39 agonist (TC-G 1008) and ligands of the glutamatergic or GABAergic systems, in antidepressant-like response. To evaluate animal behaviour we used the forced swim test in mice. In the second part of the study, we assessed the effectiveness of TC-G 1008-induced antidepressant-like response in conditions of decreased dietary zinc intake and its molecular underpinning by conducting a Western Blot analysis of selected proteins involved in glutamatergic and GABAergic neurotransmission. RESULTS The TC-G 1008-induced effect was blocked by the administration of NMDA or picrotoxin. The joint administration of TC-G 1008 along with muscimol or SCH50911 showed a trend toward decreased immobility time. Zinc-deficient diet resulted in dysregulation of GluN1, PSD95, and KCC2 protein expression. CONCLUSIONS Our findings indicate the important role of glutamate/GABA signaling in the antidepressant-like effect of TC-G 1008 and imply that GPR39 regulates the balance between excitatory and inhibitory activity in the brain. Thus, we suggest the zinc-sensing receptor be considered an interesting new target for the development of novel antidepressants.
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Affiliation(s)
- Gabriela Starowicz
- Department of Pharmacobiology, Jagiellonian University Medical College, Medyczna 9, 30-688, Krakow, Poland
| | - Dominika Siodłak
- Department of Pharmacobiology, Jagiellonian University Medical College, Medyczna 9, 30-688, Krakow, Poland
| | - Gabriel Nowak
- Department of Pharmacobiology, Jagiellonian University Medical College, Medyczna 9, 30-688, Krakow, Poland
- Laboratory of Trace Elements Neurobiology, Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, 31-343, Krakow, Poland
| | - Katarzyna Mlyniec
- Department of Pharmacobiology, Jagiellonian University Medical College, Medyczna 9, 30-688, Krakow, Poland.
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Varma M, Kaur A, Bhandari R, Kumar A, Kuhad A. Major depressive disorder (mdd): emerging immune targets at preclinical level. Expert Opin Ther Targets 2023; 27:479-501. [PMID: 37334668 DOI: 10.1080/14728222.2023.2225216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 06/11/2023] [Indexed: 06/20/2023]
Abstract
BACKGROUND Major depressive disorder is a mental health disorder that is characterized by a persistently low mood and loss of interest. MDD is affecting over 3.8% of the global population as a major health problem. Its etiology is complex, and involves the interaction between a number of factors, including genetic predisposition and the presence of environmental stresses. AREAS COVERED The role of the immune and inflammatory systems in depression has been gaining interest, with evidence suggesting the potential involvement of pro-inflammatory molecules like TNF, interleukins, prostaglandins, and other cytokines, among others, has been put forth. Along with this, the potential of agents, from NSAIDs to antibiotics, are being evaluated in therapy for depression. The current review will discuss emerging immune targets at the preclinical level. EXPERT OPINION With increasing evidence to show that immune and inflammatory mediators are implicated in MDD, increasing research toward their potential as drug targets is encouraged. At the same time, agents acting on these mediators and possessing anti-inflammatory potential are also being evaluated as future therapeutic options for MDD, and increasing focus toward non-conventional drugs which can act through these mechanisms is important as regards the future prospects of the use of anti-inflammatory agents in depression.
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Affiliation(s)
- Manasi Varma
- UGC-Centre of Advanced Study, University Institute of Pharmaceutical Sciences, Chandigarh, India
| | - Arshpreet Kaur
- UGC-Centre of Advanced Study, University Institute of Pharmaceutical Sciences, Chandigarh, India
| | - Ranjana Bhandari
- UGC-Centre of Advanced Study, University Institute of Pharmaceutical Sciences, Chandigarh, India
| | - Ashwani Kumar
- UGC-Centre of Advanced Study, University Institute of Pharmaceutical Sciences, Chandigarh, India
| | - Anurag Kuhad
- UGC-Centre of Advanced Study, University Institute of Pharmaceutical Sciences, Chandigarh, India
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Viktorov M, Wilkinson MP, Elston VCE, Stone M, Robinson ESJ. A systematic review of studies investigating the acute effects of N-methyl- D-aspartate receptor antagonists on behavioural despair in normal animals suggests poor predictive validity. Brain Neurosci Adv 2022; 6:23982128221081645. [PMID: 35299619 PMCID: PMC8922211 DOI: 10.1177/23982128221081645] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 02/02/2022] [Indexed: 12/16/2022] Open
Abstract
The ability of the N-methyl-D-aspartate receptor antagonist ketamine to induce a rapid and sustained antidepressant effect has led to a surge in pre-clinical studies investigating underlying mechanisms and seeking novel treatments. Animal models are key to this research as they can provide a behavioural readout linking underlying mechanisms to clinical benefits. However, quantifying depression-related behaviours in rodents represents a major challenge with the validity of traditional methods such as models of behavioural despair (forced swim test and tail suspension test) a topic of debate. While there is good evidence to support the value of using these behavioural readouts to study the effects of stress, these approaches have largely failed to detect reliable phenotypic effects in other disease models. In this systematic review, we identified publications which had tested N-methyl-D-aspartate receptor antagonists in normal animals using either the forced swim test or tail suspension test. We compared findings for different doses and time points and also drugs with different clinical profiles to investigate how well the outcomes in the rodent model predicted their effects in the clinic. Despite clear evidence that N-methyl-D-aspartate receptor antagonists reduce immobility time and hence exhibit an antidepressant profile in these tasks, we found similar effects with both clinically effective drugs as well as those which have failed to show efficacy in clinical trials. These findings suggest that behavioural despair tests in normal animals do not provide a good method to predict clinical efficacy of N-methyl-D-aspartate receptor antagonists.
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Affiliation(s)
- Martin Viktorov
- School of Physiology, Pharmacology & Neuroscience, University of Bristol, Bristol, UK
| | - Matthew P. Wilkinson
- School of Physiology, Pharmacology & Neuroscience, University of Bristol, Bristol, UK
| | - Victoria C. E. Elston
- School of Physiology, Pharmacology & Neuroscience, University of Bristol, Bristol, UK
| | - Medi Stone
- School of Physiology, Pharmacology & Neuroscience, University of Bristol, Bristol, UK
| | - Emma S. J. Robinson
- School of Physiology, Pharmacology & Neuroscience, University of Bristol, Bristol, UK
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Qazi SR, Irfan M, Ramzan Z, Jahanzaib M, Khan MZ, Nasir M, Shakeel M, Khan IA. Identification of putative genetic variants in major depressive disorder patients in Pakistan. Mol Biol Rep 2022; 49:2283-2292. [PMID: 35040003 DOI: 10.1007/s11033-021-07050-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 12/02/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Major depressive disorder (MDD) is a polygenic, and highly prevalent disorder affecting 322 million people globally. It results in several psychological changes which adversely affect different dimensions of life and may lead to suicide. METHODS Whole exome sequencing of 15 MDD patients, enrolled at the Dr. A. Q. Khan Institute of Behavioral Sciences, Karachi, was performed using NextSeq500. Different bioinformatics tools and databases like ANNOVAR, ALoFT, and GWAS were used to identify both common and rare variants associated with the pathogenesis of MDD. RESULTS A total of 1985 variations were identified in 479 MDD-related genes. Several SNPs including rs1079610, rs11750538, rs1799913, rs1801131, rs2230267, rs2231187, rs3819976, rs4314963, rs56265970, rs587780434, rs6330, rs75111588, rs7596487, and rs9624909 were prioritized due to their deleteriousness and frequency difference between the patients and the South Asian population. A non-synonymous variation rs56265970 (BCR) had 26% frequency in patients and was not found in the South Asian population; a multiallelic UTR-5' insertion rs587780434 (RELN) was present with an allelic frequency of 70% in patients whereas 22% in the SAS population. Genetic alterations in PABPC1 genes, a stress-associated gene also had higher allele frequency in the cases than in the normal population. CONCLUSION This present study identifies both common and rare variants in the genes associated with the pathogenesis of MDD in Pakistani patients. Genetic variations in BCR, RELN, and stress-associated PABPC1 suggest potential roles in the pathogenesis of MDD.
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Affiliation(s)
- Sarah Rizwan Qazi
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Muhammad Irfan
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Zoobia Ramzan
- Dr. A. Q. Khan Institute of Behavioral Sciences, Dow University of Health Sciences, Karachi, 75280, Pakistan
| | - Muhammad Jahanzaib
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Maleeha Zaman Khan
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Mahrukh Nasir
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Muhammad Shakeel
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Ishtiaq Ahmad Khan
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan.
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Biney RP, Benneh CK, Adongo DW, Ameyaw EO, Woode E. Evidence of an antidepressant-like effect of xylopic acid mediated by serotonergic mechanisms. Psychopharmacology (Berl) 2021; 238:2105-2120. [PMID: 33837810 DOI: 10.1007/s00213-021-05835-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/22/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Depression causes significant debilitating symptoms and economic burden. Current management is challenged by slow onset of action and modest efficacies of antidepressants; thus, the search for newer antidepressants remains relevant. We evaluated the antidepressant effects of a kaurene diterpene, xylopic acid (XA), in zebrafish and mouse models. METHODS The chronic unpredictable stress (CUS) protocol in zebrafish and the tail suspension test (TST), forced swim test (FST), lipopolysaccharide-induced depression-like behaviour test (LID) and repeated open space swimming test (OSST) in mice were used. We further examined the impact of depleting monoamines on XA's antidepressant effects. The contribution of glutamatergic and nitrergic pathways on the antidepressant effect of XA in mice and XA's effects on 5-HT receptors and monoamine oxidase (MAO) enzymes were also evaluated. Finally, XA's influence on neuroprotection was evaluated by measuring BDNF and oxidative stress enzymes in whole brain. XA doses (1-10 μM) in zebrafish and (10, 30, 100 mg kg-1) in mice exerted potent antidepressant-like potential in FST, TST, LID and showed fast-onset antidepressant-like property in the OSST. RESULTS The antidepressant-like properties in mice were reversed by blocking synthesis/release of serotonin but not noradrenaline using p-chlorophenylalanine and α-methyl-p-tyrosine, respectively. This antidepressant-like effect was potentiated by D-cycloserine and Nω-Nitro-L-arginine methyl ester (L-NAME) but not by D-serine and L-arginine. XA also evoked partial agonist-like effects on 5-hydroxytrptamine receptors on the rat fundus but it did not have MAO inhibition effect. It also increased BDNF, glutathione and antioxidant enzymes. CONCLUSION Therefore, xylopic acid possesses antidepressant-like effects largely mediated by serotonergic and neuroprotective mechanisms.
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Affiliation(s)
- Robert Peter Biney
- Department of Pharmacology, School of Medical Sciences, University of Cape Coast, Cape Coast, Ghana.
- School of Pharmacy and Pharmaceutical Sciences, University of Cape Coast, Cape Coast, Ghana.
| | - Charles Kwaku Benneh
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Donatus Wewura Adongo
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Elvis Ofori Ameyaw
- School of Pharmacy and Pharmaceutical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Eric Woode
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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Kukuia KKE, Mensah JA, Amoateng P, Osei-Safo D, Koomson AE, Torbi J, Adongo DW, Ameyaw EO, Ben IO, Amponsah SK, Bugyei KA, Asiedu-Gyekye IJ. Glycine/NMDA Receptor Pathway Mediates the Rapid-onset Antidepressant Effect of Alkaloids From Trichilia Monadelpha. Basic Clin Neurosci 2021; 12:395-408. [PMID: 34917298 PMCID: PMC8666917 DOI: 10.32598/bcn.12.3.2838.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/26/2020] [Accepted: 12/07/2020] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Major depressive disorder is often associated with suicidal tendencies, and this condition accentuates the need for rapid-acting antidepressants. We previously reported that Alkaloids (ALK) from Trichilia monadelpha possess antidepressant action in acute animal models of depression and that this effect is mediated through the monoamine and L-arginine-NO-cGMP pathways. This study investigated the possible rapid-onset antidepressant effect of ALK from T. monadelpha and its connection with the glycine/NMDA receptor pathway. METHODS The onset of ALK action from T. monadelpha was evaluated using the Open Space Swim Test (OSST), a chronic model of depression. The modified forced swimming and tail suspension tests were used to assess the effect of the ALK on the glycine/NMDA receptor pathway. The Instutute of Cancer Research (ICR) mice were treated with either ALK (30-300 mg/kg, orally [PO]), imipramine (3-30 mg/kg, PO), fluoxetine (3-30 mg/kg, PO), or saline. To identify the role of glycine/NMDA receptor pathway in the effect of ALK, we pretreated mice with a partial agonist of the glycine/NMDA receptor, D-cycloserine (2.5 mg/kg, intraperitoneally [IP]), and an agonist of glycine/NMDA receptor, D-serine (600 mg/kg, IP), before ALK administration. RESULTS ALK reversed immobility in mice after the second day of drug treatment in the OSST. In contrast, there was a delay in the effects induced by fluoxetine and imipramine. ALK also increased mean swimming and climbing scores in mice. ALK was more efficacious than imipramine and fluoxetine in reducing immobility and increasing distance traveled. It is noteworthy that ALK was less potent than fluoxetine and imipramine. D-cycloserine potentiated mobility observed in the ALK- and fluoxetine-treated mice. In contrast, D-serine decreased mobility in the ALK-treated mice. CONCLUSION The study results suggest that ALK from T. monadelpha exhibits rapid antidepressant action in mice, and the glycine/NMDA receptor pathway possibly mediates the observed effect.
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Affiliation(s)
- Kennedy Kwami Edem Kukuia
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
- Corresponding Author:Kennedy Kwami Edem Kukuia, PhD., Address: Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana., Tel: +233 (20) 4608498, E-mail:;
| | - Jeffrey Amoako Mensah
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, U.S. A
| | - Patrick Amoateng
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Dorcas Osei-Safo
- Department of Chemistry, School of Physical and Mathematical Sciences, College of Basic and Applied Sciences, University of Ghana, Legon-Accra, Ghana
| | - Awo Efua Koomson
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Joseph Torbi
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Donatus Wewura Adongo
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Elvis Ofori Ameyaw
- Department of Pharmacology, School of Pharmacy and Pharmaceutical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Inemesit Okon Ben
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Seth Kwabena Amponsah
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
| | - Kwasi Agyei Bugyei
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
| | - Isaac Julius Asiedu-Gyekye
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
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Iman S, Saleem U, Ahmad B. Pharmacological Screening of Mangifera indica Seeds for Antidepressant-like Action Along with a Mechanistic Study. ACS OMEGA 2020; 5:26924-26932. [PMID: 33111019 PMCID: PMC7581252 DOI: 10.1021/acsomega.0c04187] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 09/28/2020] [Indexed: 05/29/2023]
Abstract
Depression is emerging as a major global issue. There are several antidepressants available in the market, but their efficacy is usually unpredictable. Therefore, there is a need to find an alternative therapeutic agent with better therapeutic efficacy and availability. In the current investigation, the antidepressant-like action of the aqueous methanolic extract of Mangifera indica seeds (25, 50, and 100 mg/kg) was evaluated by two predictive models like the tail suspension test and forced swimming test along with the determination of the mechanism of action working behind this action. The results of the acute treatment with the extract show a dose-dependent reduction in the duration of immobility in both models. The antidepressant-like action of the extract (100 mg/kg) was blocked by the administration of p-chlorophenyl alanine, α-methyl-p-tyrosine, prazosin, and sulpiride while remaining unaffected with propranolol. In contrast, the administration of d-serine along with the extract (a full agonist of glycine/N-methyl-d-aspartate, NMDA, receptors) diminished the anti-immobility action. The administration of the extract along with nitro-l-arginine-methyl ester synergizes into the anti-immobility action of the extract, and intake of l-arginine remained unable to effect this action, whereas sildenafil blocks the effect. The antidepressant-like action of the extract is probably due to the involvement of serotonergic and adrenergic (mainly α receptors are involved) systems, an NMDA receptor complex, and the nitric oxide pathway.
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Affiliation(s)
- Shafa Iman
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Uzma Saleem
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Bashir Ahmad
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University, Lahore Campus, Lahore 54000, Pakistan
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Chakraborty S, Tripathi SJ, Srikumar B, Raju T, Shankaranarayana Rao B. N-acetyl cysteine ameliorates depression-induced cognitive deficits by restoring the volumes of hippocampal subfields and associated neurochemical changes. Neurochem Int 2020; 132:104605. [DOI: 10.1016/j.neuint.2019.104605] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/11/2019] [Accepted: 11/15/2019] [Indexed: 12/14/2022]
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Fernandes J, Gupta GL. N-acetylcysteine attenuates neuroinflammation associated depressive behavior induced by chronic unpredictable mild stress in rat. Behav Brain Res 2019; 364:356-365. [DOI: 10.1016/j.bbr.2019.02.025] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/29/2019] [Accepted: 02/13/2019] [Indexed: 12/20/2022]
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12
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Poleszak E, Szopa A, Bogatko K, Wyska E, Wośko S, Świąder K, Doboszewska U, Wlaź A, Wróbel A, Wlaź P, Serefko A. Antidepressant-Like Activity of Typical Antidepressant Drugs in the Forced Swim Test and Tail Suspension Test in Mice Is Augmented by DMPX, an Adenosine A 2A Receptor Antagonist. Neurotox Res 2018; 35:344-352. [PMID: 30267268 PMCID: PMC6331646 DOI: 10.1007/s12640-018-9959-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/31/2018] [Accepted: 09/11/2018] [Indexed: 01/06/2023]
Abstract
Unsatisfactory therapeutic effects of currently used antidepressants force to search for new pharmacological treatment strategies. Recent research points to the relationship between depressive disorders and the adenosinergic system. Therefore, the main goal of our studies was to evaluate the effects of DMPX (3 mg/kg, i.p.), which possesses selectivity for adenosine A2A receptors versus A1 receptors, on the activity of imipramine (15 mg/kg, i.p.), escitalopram (2.5 mg/kg, i.p.), and reboxetine (2 mg/kg, i.p.) given in subtherapeutic doses. The studies carried out using the forced swim and tail suspension tests in mice showed that DMPX at a dose of 6 and 12 mg/kg exerts antidepressant-like effect and does not affect the locomotor activity. Co-administration of DMPX at a dose of 3 mg/kg with the studied antidepressant drugs caused the reduction of immobility time in both behavioral tests. The observed effect was not associated with an increase in the locomotor activity. To evaluate whether the observed effects were due to a pharmacokinetic/pharmacodynamic interaction, the levels of the antidepressants in blood and brain were measured using high-performance liquid chromatography. It can be assumed that the interaction between DMPX and imipramine was exclusively pharmacodynamic in nature, whereas an increased antidepressant activity of escitalopram and reboxetine was at least partly related to its pharmacokinetic interaction with DMPX.
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Affiliation(s)
- Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland.
| | - Aleksandra Szopa
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland.
| | - Karolina Bogatko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Collegium Medicum, Jagiellonian University, Medyczna 9, PL 30-688, Kraków, Poland
| | - Sylwia Wośko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Katarzyna Świąder
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Urszula Doboszewska
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Aleksandra Wlaź
- Department of Pathophysiology, Medical University of Lublin, Jaczewskiego 8, PL 20-090, Lublin, Poland
| | - Andrzej Wróbel
- Second Department of Gynecology, Medical University of Lublin, Jaczewskiego 8, PL 20-090, Lublin, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
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Szopa A, Poleszak E, Bogatko K, Wyska E, Wośko S, Doboszewska U, Świąder K, Wlaź A, Dudka J, Wróbel A, Wlaź P, Serefko A. DPCPX, a selective adenosine A1 receptor antagonist, enhances the antidepressant-like effects of imipramine, escitalopram, and reboxetine in mice behavioral tests. Naunyn Schmiedebergs Arch Pharmacol 2018; 391:1361-1371. [PMID: 30094458 PMCID: PMC6208968 DOI: 10.1007/s00210-018-1551-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 07/27/2018] [Indexed: 12/13/2022]
Abstract
The main goal of the present study was to evaluate the influence of the adenosine A1 receptor (A1R) antagonist — DPCPX — on depressive-like behavior in mice, as well as the effect of DPCPX on the activity of imipramine, escitalopram, and reboxetine, each at non-effective doses. The influence of DPCPX on behavior and its influence on the activity of selected antidepressants was evaluated in the forced swim test (FST) and the tail suspension test (TST) in mice. Locomotor activity was measured to verify and exclude false-positive data obtained in the FST and TST. Moreover, serum and brain concentrations of tested antidepressants were determined using HPLC. DPCPX, at doses of 2 and 4 mg/kg, exhibited antidepressant activity in the FST and TST, which was not related to changes in the spontaneous locomotor activity. Co-administration of DPCPX with imipramine, escitalopram, or reboxetine, each at non-active doses, significantly reduced the immobilization period in the FST and TST in mice, which was not due to the increase in locomotor activity. Both antagonists of 5-HT receptors (WAY 100635 and ritanserin) completely antagonized the effect elicited by DPCPX in the behavioral tests. Results of assessment of the nature of the interaction between DPCPX and test drugs show that in the case of DPCPX and imipramine or reboxetine, there were pharmacodynamic interactions, whereas the DPCPX-escitalopram interaction is at least partially pharmacokinetic in nature. Presented outcomes indicate that an inhibition of A1Rs and an increase of monoaminergic transduction in the CNS may offer a novel strategy for the development of antidepressant drugs.
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Affiliation(s)
- Aleksandra Szopa
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland.
| | - Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland.
| | - Karolina Bogatko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Collegium Medicum, Jagiellonian University, Medyczna 9, 30-688, Kraków, Poland
| | - Sylwia Wośko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland
| | - Urszula Doboszewska
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Katarzyna Świąder
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland
| | - Aleksandra Wlaź
- Department of Pathophysiology, Medical University of Lublin, Jaczewskiego 8, 20-090, Lublin, Poland
| | - Jarosław Dudka
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, 20-093, Lublin, Poland
| | - Andrzej Wróbel
- Second Department of Gynecology, Medical University of Lublin, Jaczewskiego 8, 20-090, Lublin, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland
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Pradhan B, Mitrev L, Moaddell R, Wainer IW. d-Serine is a potential biomarker for clinical response in treatment of post-traumatic stress disorder using (R,S)-ketamine infusion and TIMBER psychotherapy: A pilot study. BIOCHIMICA ET BIOPHYSICA ACTA. PROTEINS AND PROTEOMICS 2018; 1866:831-839. [PMID: 29563072 PMCID: PMC9067607 DOI: 10.1016/j.bbapap.2018.03.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 03/02/2018] [Accepted: 03/14/2018] [Indexed: 12/17/2022]
Abstract
Post-traumatic stress disorder (PTSD) is a chronic and debilitating condition that is often refractory to standard frontline antidepressant therapy. A promising new approach to PTSD therapy is administration of a single sub-anesthetic dose of (R,S)-ketamine (Ket). The treatment produces rapid and significant therapeutic response, which lasts for only 4-7 days. In one of our studies, the mean duration of response was increased to 33 days when Ket administration was combined with a mindfulness-based cognitive therapy, Trauma Interventions using Mindfulness Based Extinction and Reconsolidation (TIMBER). We now report the results from a 20-patient study, which examined the duration of sustained response with combined TIMBER-Ket therapy, TIMBER-K arm, relative to the response observed in a placebo-controlled arm, TIMBER-P. A significant difference in the duration of response was observed between TIMBER-K and TIMBER-P arms: 34.44 ± 19.12 days and 16.50 ± 11.39 days, respectively (p = 0.022). Previous studies identified a negative correlation between antidepressant response to Ket and basal plasma concentrations of d-serine (DSR). In this study, the basal DSR levels positively correlated with the pre-treatment severity of PTSD symptoms (Pearson's r = 0.42, p = 0.07) and patients with basal DSR level ≥ 3.5 μM displayed not only higher PTSD severity but also shorter duration of response. The data indicate that basal DSR levels may serve as a biomarker of the severity of PTSD symptoms and as a predictor of clinical response. This article is part of a Special Issue entitled: d-Amino acids: biology in the mirror, edited by Dr. Loredano Pollegioni, Dr. Jean-Pierre Mothet and Dr. Molla Gianluca.
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Affiliation(s)
- Basant Pradhan
- Department of Psychiatry, Cooper University Hospital and Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Ludmil Mitrev
- Department of Psychiatry, Cooper University Hospital and Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Ruin Moaddell
- Bio-analytical Chemistry and Drug Discovery Section of the National Institute on Aging (NIA), National Institute of Health (NIH), Bethesda, MD, USA
| | - Irving W Wainer
- Department of Anesthesiology, Cooper University Hospital and Cooper Medical School of Rowan University, Camden, NJ, USA.
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15
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Abstract
Clinical studies have demonstrated that a single sub-anesthetic dose of the dissociative anesthetic ketamine induces rapid and sustained antidepressant actions. Although this finding has been met with enthusiasm, ketamine's widespread use is limited by its abuse potential and dissociative properties. Recent preclinical research has focused on unraveling the molecular mechanisms underlying the antidepressant actions of ketamine in an effort to develop novel pharmacotherapies, which will mimic ketamine's antidepressant actions but lack its undesirable effects. Here we review hypotheses for the mechanism of action of ketamine as an antidepressant, including synaptic or GluN2B-selective extra-synaptic N-methyl-D-aspartate receptor (NMDAR) inhibition, inhibition of NMDARs localized on GABAergic interneurons, inhibition of NMDAR-dependent burst firing of lateral habenula neurons, and the role of α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid receptor activation. We also discuss links between ketamine's antidepressant actions and downstream mechanisms regulating synaptic plasticity, including brain-derived neurotrophic factor (BDNF), eukaryotic elongation factor 2 (eEF2), mechanistic target of rapamycin (mTOR) and glycogen synthase kinase-3 (GSK-3). Mechanisms that do not involve direct inhibition of the NMDAR, including a role for ketamine's (R)-ketamine enantiomer and hydroxynorketamine (HNK) metabolites, specifically (2R,6R)-HNK, are also discussed. Proposed mechanisms of ketamine's action are not mutually exclusive and may act in a complementary manner to exert acute changes in synaptic plasticity, leading to sustained strengthening of excitatory synapses, which are necessary for antidepressant behavioral actions. Understanding the molecular mechanisms underpinning ketamine's antidepressant actions will be invaluable for the identification of targets, which will drive the development of novel, effective, next-generation pharmacotherapies for the treatment of depression.
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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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Stasiuk W, Szopa A, Serefko A, Wyska E, Świąder K, Dudka J, Wlaź P, Poleszak E. Influence of the selective antagonist of the NR2B subunit of the NMDA receptor, traxoprodil, on the antidepressant-like activity of desipramine, paroxetine, milnacipran, and bupropion in mice. J Neural Transm (Vienna) 2016; 124:387-396. [PMID: 27900470 PMCID: PMC5310560 DOI: 10.1007/s00702-016-1657-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 11/21/2016] [Indexed: 12/13/2022]
Abstract
Pre-clinical and clinical studies indicated that a blockade of the NMDA receptor complex creates new opportunities for the treatment of affective disorders, including depression. The aim of the present study was to assess the influence of traxoprodil (10 mg/kg) on the activity of desipramine (10 mg/kg), paroxetine (0.5 mg/kg), milnacipran (1.25 mg/kg), and bupropion (10 mg/kg), each at sub-therapeutic doses. Moreover, brain levels of traxoprodil and tested agents were determined using HPLC. The obtained results were used to ascertain the nature of occurring interaction between traxoprodil and studied antidepressants. The experiment was carried out on naïve adult male Albino Swiss mice. Traxoprodil and other tested drugs were administered intraperitoneally. The influence of traxoprodil on the activity of selected antidepressants was evaluated in forced swim test (FST). Locomotor activity was estimated to exclude false positive/negative data. To assess the influence of traxoprodil on the concentration of used antidepressants, their levels were determined in murine brains using HPLC. Results indicated that traxoprodil potentiated activity of all antidepressants examined in FST and the observed effects were not due to the increase in locomotor activity. Only in the case of co-administration of traxoprodil and bupropion, increased bupropion concentrations in brain tissue were observed. All tested agents increased the traxoprodil levels in the brain. Administration of a sub-active dose of traxoprodil with antidepressants from different chemical groups, which act via enhancing monoaminergic transduction, caused the antidepressant-like effect in FST in mice. The interactions of traxoprodil with desipramine, paroxetine, milnacipran, and bupropion occur, at least partially, in the pharmacokinetic phase.
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Affiliation(s)
- Weronika Stasiuk
- Department of Human Physiology, Medical University of Lublin, Radziwiłłowska 11, PL-20080, Lublin, Poland
| | - Aleksandra Szopa
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL-20093, Lublin, Poland.
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL-20093, Lublin, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Collegium Medicum, Jagiellonian University, Medyczna 9, PL-30688, Kraków, Poland
| | - Katarzyna Świąder
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL-20093, Lublin, Poland
| | - Jarosław Dudka
- Department of Toxicology, Medical University of Lublin, Chodźki 8, PL-20093, Lublin, Poland
- Independent Medical Biology Unit, Medical University of Lublin, Jaczewskiego 8, PL-20950, Lublin, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL-20033, Lublin, Poland
| | - Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL-20093, Lublin, Poland
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Bae D, Kim J, Oh DR, Kim Y, Choi EJ, Lee H, Jung MA, Lee SY, Jeong C, Lee M, Kang N, Lee J, Kim S. Multifunctional antistress effects of standardized aqueous extracts from Hippophae rhamnoides L. Anim Cells Syst (Seoul) 2016. [DOI: 10.1080/19768354.2016.1250816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Kukuia KKE, Ameyaw EO, Woode E, Mante PK, Adongo DW. Scientific evidence of plant with a rapid-onset and sustained antidepressant effect in a chronic model of depression: Mallotus oppositifolius. J Basic Clin Physiol Pharmacol 2016; 27:523-32. [PMID: 27089412 DOI: 10.1515/jbcpp-2015-0029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 03/05/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND One of the major drawbacks of current depression pharmacotherapy is the delay in symptom improvement, aside from the untoward side effects and lack of efficacy against refractory depression. This work therefore investigated a possible rapid-onset and sustained antidepressant effect of Mallotus oppositifolius. METHODS Onset of the antidepressant effect of hydroalcoholic extract from the leaves of M. oppositifolius was investigated using the open space swim test, a chronic depression model. The possible effects of the extract on cognitive dysfunction measured in the Morris water maze and weight gain were also investigated. RESULTS M. oppositifolius extract, after the first day of treatment, reversed the state of immobility in mice. This effect was sustained even after drug treatment was halted and the antidepressant effect verified in the tail suspension test. The extract also increased the total distance travelled by the mice and reversed the cognitive impairment induced by the depressed state but had no effect on weight variation. CONCLUSIONS M. oppositifolius exhibits a rapid-onset and sustained antidepressant effect in mice.
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Poleszak E, Stasiuk W, Szopa A, Wyska E, Serefko A, Oniszczuk A, Wośko S, Świąder K, Wlaź P. Traxoprodil, a selective antagonist of the NR2B subunit of the NMDA receptor, potentiates the antidepressant-like effects of certain antidepressant drugs in the forced swim test in mice. Metab Brain Dis 2016; 31:803-14. [PMID: 26924124 PMCID: PMC4933725 DOI: 10.1007/s11011-016-9810-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 02/17/2016] [Indexed: 12/15/2022]
Abstract
One of the newest substances, whose antidepressant activity was shown is traxoprodil, which is a selective antagonist of the NR2B subunit of the NMDA receptor. The main goal of the present study was to evaluate the effect of traxoprodil on animals' behavior using the forced swim test (FST), as well as the effect of traxoprodil (10 mg/kg) on the activity of antidepressants, such as imipramine (15 mg/kg), fluoxetine (5 mg/kg), escitalopram (2 mg/kg) and reboxetine (2.5 mg/kg). Serotonergic lesion and experiment using the selective agonists of serotonin receptors 5-HT1A and 5-HT2 was conducted to evaluate the role of the serotonergic system in the antidepressant action of traxoprodil. Brain concentrations of tested agents were determined using HPLC. The results showed that traxoprodil at a dose of 20 and 40 mg/kg exhibited antidepressant activity in the FST and it was not related to changes in animals' locomotor activity. Co-administration of traxoprodil with imipramine, fluoxetine or escitalopram, each in subtherapeutic doses, significantly affected the animals' behavior in the FST and, what is important, these changes were not due to the severity of locomotor activity. The observed effect of traxoprodil is only partially associated with serotonergic system and is independent of the effect on the 5-HT1A and 5-HT2 serotonin receptors. The results of an attempt to assess the nature of the interaction between traxoprodil and the tested drugs show that in the case of joint administration of traxoprodil and fluoxetine, imipramine or escitalopram, there were interactions in the pharmacokinetic phase.
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Affiliation(s)
- Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland.
| | - Weronika Stasiuk
- Department of Human Physiology, Medical University of Lublin, Lublin, Poland
| | - Aleksandra Szopa
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Collegium Medicum, Jagiellonian University, Kraków, Poland
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Anna Oniszczuk
- Department of Inorganic Chemistry, Medical University of Lublin, Lublin, Poland
| | - Sylwia Wośko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Katarzyna Świąder
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093, Lublin, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland
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21
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Haj-Mirzaian A, Kordjazy N, Ostadhadi S, Amiri S, Haj-Mirzaian A, Dehpour A. Fluoxetine reverses the behavioral despair induced by neurogenic stress in mice: role of N-methyl-d-aspartate and opioid receptors. Can J Physiol Pharmacol 2016; 94:599-612. [DOI: 10.1139/cjpp-2015-0429] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Opioid and N-methyl-d-aspartate (NMDA) receptors mediate different effects of fluoxetine. We investigated whether opioid and NMDA receptors are involved in the protective effect of fluoxetine against the behavioral despair induced by acute physical stress in male mice. We used the forced swimming test (FST), tail suspension test (TST), and open-field test (OFT) for behavioral evaluation. We used fluoxetine, naltrexone (opioid receptor antagonist), MK-801 (NMDA receptor antagonist), morphine (opioid receptor agonist), and NMDA (NMDA receptor agonist). Acute foot-shock stress (FSS) significantly induced behavioral despair (depressive-like) and anxiety-like behaviors in tests. Fluoxetine (5 mg/kg) reversed the depressant-like effect of FSS, but it did not alter the locomotion and anxiety-like behavior in animals. Acute administration of subeffective doses of naltrexone (0.3 mg/kg) or MK-801 (0.01 mg/kg) potentiated the antidepressant-like effect of fluoxetine, while subeffective doses of morphine (1 mg/kg) and NMDA (75 mg/kg) abolished this effect of fluoxetine. Also, co-administration of subeffective doses of naltrexone (0.05 mg/kg) and MK-801 (0.003 mg/kg) with fluoxetine (1 mg/kg) induced a significant decrease in the immobility time in FST and TST. Our results showed that opioid and NMDA receptors (alone or in combination) are involved in the antidepressant-like effect of fluoxetine against physical stress.
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Affiliation(s)
- Arya Haj-Mirzaian
- Experimental Medicine Research Center, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
| | - Nastaran Kordjazy
- Experimental Medicine Research Center, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
| | - Sattar Ostadhadi
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
- Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shayan Amiri
- Experimental Medicine Research Center, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
| | - Arvin Haj-Mirzaian
- Experimental Medicine Research Center, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
| | - AhmadReza Dehpour
- Experimental Medicine Research Center, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran
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Biney RP, Benneh CK, Ameyaw EO, Boakye-Gyasi E, Woode E. Xylopia aethiopica fruit extract exhibits antidepressant-like effect via interaction with serotonergic neurotransmission in mice. JOURNAL OF ETHNOPHARMACOLOGY 2016; 184:49-57. [PMID: 26902831 DOI: 10.1016/j.jep.2016.02.023] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 01/06/2016] [Accepted: 02/19/2016] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xylopia aethiopica has been used traditionally to treat some central nervous system disorders including epilepsy. AIM OF THE STUDY Despite the central analgesic and sedative effects, there is little evidence for its traditional use for CNS disorders. This study thus assessed the antidepressant potential of Xylopia aethiopica ethanolic fruit extract (XAE). MATERIAL AND METHODS Antidepressant effect was assessed in the forced swim test (FST) and tail suspension test (TST) models in mice. The role of monoamines in the antidepressant effects of XAE was evaluated by selective depletion of serotonin and noradrenaline, whereas involvement of NMDA/nitric oxide was assessed with NMDA receptor co-modulators; d-serine and d-cycloserine and NOS inhibitor, l-NAME. RESULTS Xylopia aethiopica (30, 100, 300mgkg(-1)) dose dependently reduced immobility in both FST and TST. The reduced immobility was reversed after 5-hydroxytryptamine (5-HT) depletion with tryptophan hydroxylase inhibitor-p-chlorophenylalanine (pCPA) and after monoamine depletion with vesicular monoamine transporter inhibitor-reserpine. The observed antidepressant effect was not affected by catecholamine depletion with the tyrosine hydroxylase inhibitor, α-methyl-p-tyrosine (AMPT). Similarly XAE did not potentiate the toxicity of a sub-lethal dose of noradrenaline. XAE had a synergistic effect with the glycineB receptor partial agonist, d-cycloserine and nitric oxide synthase inhibitor, l-NAME. However established antidepressant effects of XAE were abolished by NMDA and NOS activation with d-serine and l-arginine. CONCLUSION This study shows that Xylopia aethiopica has antidepressant potential largely due to effects on 5-HT neurotransmission with possible glutamatergic effect through the glycineB co-binding site and nitric oxide synthase inhibition.
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Affiliation(s)
- Robert P Biney
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
| | - Charles K Benneh
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Elvis O Ameyaw
- Department of Biomedical and Forensic Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Eric Boakye-Gyasi
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Eric Woode
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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cis-3-Hexenol and trans-2-hexenal mixture prevents development of PTSD-like phenotype in rats. Behav Brain Res 2016; 297:251-8. [DOI: 10.1016/j.bbr.2015.10.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 10/03/2015] [Accepted: 10/08/2015] [Indexed: 02/05/2023]
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24
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Réus GZ, Abelaira HM, Tuon T, Titus SE, Ignácio ZM, Rodrigues ALS, Quevedo J. Glutamatergic NMDA Receptor as Therapeutic Target for Depression. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2016; 103:169-202. [DOI: 10.1016/bs.apcsb.2015.10.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Synergistic antidepressant-like effect of the joint administration of caffeine and NMDA receptor ligands in the forced swim test in mice. J Neural Transm (Vienna) 2015; 123:463-72. [PMID: 26510772 PMCID: PMC4805709 DOI: 10.1007/s00702-015-1467-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 09/25/2015] [Indexed: 11/29/2022]
Abstract
The optimal treatment of depressed patients remains one of the most important challenges concerning depression. The identification of the best treatment strategies and development of new, safer, and more effective agents are crucial. The glutamatergic system seems to be a promising drug target, and consequently the use of the NMDA receptor ligands, particularly in co-administration with other substances exerting the antidepressant activity, has emerged among the new ideas. The objective of this study was to examine the effect of caffeine on the performance of mice treated with various NMDA modulators in the forced swim test. We demonstrated a significant interaction between caffeine (5 mg/kg) and the following NMDA receptor ligands: MK-801 (an antagonist binding in the ion channel, 0.05 mg/kg), CGP 37849 (an antagonist of the glutamate site, 0.312 mg/kg), L-701,324 (an antagonist of the glycine site, 1 mg/kg), and d-cycloserine (a high-efficacy partial agonist of the glycine site, 2.5 mg/kg), while the interaction between caffeine and the inorganic modulators, i.e., Zn2+ (2.5 mg/kg) and Mg2+ (10 mg/kg), was not considered as significant. Based on the obtained results, the simultaneous blockage of the adenosine and NMDA receptors may be a promising target in the development of new antidepressants.
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Antidepressant-Like Effect of the Leaves of Pseudospondias microcarpa in Mice: Evidence for the Involvement of the Serotoninergic System, NMDA Receptor Complex, and Nitric Oxide Pathway. BIOMED RESEARCH INTERNATIONAL 2015; 2015:397943. [PMID: 26539489 PMCID: PMC4619781 DOI: 10.1155/2015/397943] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 09/05/2015] [Accepted: 09/14/2015] [Indexed: 11/17/2022]
Abstract
Depression continues to be a major global health problem. Although antidepressants are used for its treatment, efficacy is often inconsistent. Thus, the search for alternative therapeutic medicines for its treatment is still important. In this study, the antidepressant-like effect of Pseudospondias microcarpa extract (30-300 mg kg(-1), p.o.) was investigated in two predictive models of depression--forced swimming test and tail suspension test in mice. Additionally, the mechanism(s) of action involved were assessed. Acute treatment with the extract dose dependently reduced immobility of mice in both models. The antidepressant-like effect of the extract (100 mg kg(-1), p.o.) was blocked by p-chlorophenylalanine and cyproheptadine but not prazosin, propranolol, or yohimbine. Concomitant administration of D-cycloserine and the extract potentiated the anti-immobility effect. In contrast, D-serine, a full agonist of glycine/NMDA receptors, abolished the effects. Anti-immobility effects of PME were prevented by pretreatment of mice with L-arginine (750 mg kg(-1), i.p.) and sildenafil (5 mg kg(-1), i.p.). On the contrary, pretreatment of mice with L-NAME (30 mg kg(-1), i.p.) or methylene blue (10 mg kg(-1), i.p.) potentiated its effects. The extract produces an antidepressant-like effect in the FST and TST that is dependent on the serotoninergic system, NMDA receptor complex, and the nitric oxide pathway.
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Zanos P, Piantadosi SC, Wu HQ, Pribut HJ, Dell MJ, Can A, Snodgrass HR, Zarate CA, Schwarcz R, Gould TD. The Prodrug 4-Chlorokynurenine Causes Ketamine-Like Antidepressant Effects, but Not Side Effects, by NMDA/GlycineB-Site Inhibition. J Pharmacol Exp Ther 2015; 355:76-85. [PMID: 26265321 DOI: 10.1124/jpet.115.225664] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2015] [Accepted: 07/29/2015] [Indexed: 12/11/2022] Open
Abstract
Currently approved antidepressant drug treatment typically takes several weeks to be effective. The noncompetitive N-methyl-d-aspartate (NMDA) receptor antagonist ketamine has shown efficacy as a rapid-acting treatment of depression, but its use is associated with significant side effects. We assessed effects following blockade of the glycineB co-agonist site of the NMDA receptor, located on the GluN1 subunit, by the selective full antagonist 7-chloro-kynurenic acid (7-Cl-KYNA), delivered by systemic administration of its brain-penetrant prodrug 4-chlorokynurenine (4-Cl-KYN) in mice. Following administration of 4-Cl-KYN, 7-Cl-KYNA was promptly recovered extracellularly in hippocampal microdialysate of freely moving animals. The behavioral responses of the animals were assessed using measures of ketamine-sensitive antidepressant efficacy (including the 24-hour forced swim test, learned helplessness test, and novelty-suppressed feeding test). In these tests, distinct from fluoxetine, and similar to ketamine, 4-Cl-KYN administration resulted in rapid, dose-dependent and persistent antidepressant-like effects following a single treatment. The antidepressant effects of 4-Cl-KYN were prevented by pretreatment with glycine or the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor antagonist 2,3-dihydroxy-6-nitro-7-sulfamoyl-benzo[f]quinoxaline-2,3-dione (NBQX). 4-Cl-KYN administration was not associated with the rewarding and psychotomimetic effects of ketamine, and did not induce locomotor sensitization or stereotypic behaviors. Our results provide further support for antagonism of the glycineB site for the rapid treatment of treatment-resistant depression without the negative side effects seen with ketamine or other channel-blocking NMDA receptor antagonists.
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Affiliation(s)
- Panos Zanos
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Sean C Piantadosi
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Hui-Qiu Wu
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Heather J Pribut
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Matthew J Dell
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Adem Can
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - H Ralph Snodgrass
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Carlos A Zarate
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Robert Schwarcz
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
| | - Todd D Gould
- Department of Psychiatry (P.Z., S.C.P., H.-Q.W., H.J.P., M.J.D., A.C., R.S., T.D.G.), Maryland Psychiatric Research Center (H.-Q.W., R.S.), Department of Pharmacology (R.S., T.D.G.), Department of Anatomy and Neurobiology (T.D.G.), University of Maryland School of Medicine, Baltimore, Maryland; VistaGen Therapeutics, Inc., San Francisco, California (H.R.S.); Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland (C.A.Z.)
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Kukuia KKE, Asiedu-Gyekye IJ, Woode E, Biney RP, Addae E. Phytotherapy of experimental depression: Kalanchoe integra Var. Crenata (Andr.) Cuf Leaf Extract. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2015; 7:26-31. [PMID: 25709333 PMCID: PMC4333624 DOI: 10.4103/0975-7406.148785] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 03/22/2014] [Accepted: 06/12/2014] [Indexed: 02/05/2023] Open
Abstract
CONTEXT Kalanchoe sp. have been used since 1921 for central nervous system (CNS) disorders such as psychosis and depression. It is known to possess CNS depressant effects. AIMS To investigate the antidepressant properties of the aqueous leaf extract of Kalanchoe integra. SETTINGS AND DESIGN The study was carried out at the Kwame Nkrumah University of Science and Technology between 6 a.m. and 3 p.m. MATERIALS AND METHODS ICR mice were subjected to the forced swimming test (FST) and tail suspension test (TST) after they had received extract (30-300 mg/kg), fluoxetine (3-30 mg/kg), desipramine (3-30 mg/kg) orally, or water (as vehicle). In a separate experiment, mice were pre-treated with reserpine (1 mg/kg), α-methyl paratyrosine (AMPT; 400 mg/kg), both reserpine (1 mg/kg) and AMPT (200 mg/kg) concomitantly, or p-chlorophenylalanine (pCPA; 200 mg/kg) to ascertain the role of the noradrenergic and serotoninergic systems in the mode of action of the extract. STATISTICAL ANALYSIS USED Means were analyzed by analysis of variance (ANOVA) followed by Newman-Keuls' post hoc test. P < 0.05 was considered significant. RESULTS In both FST and TST, the extract induced a decline in immobility, indicative of antidepressant-like effect. This diminution in immobility was reversed by pCPA, but not by reserpine and/or AMPT. The extract increased the swimming and climbing scores in the FST, suggestive of possible interaction with serotoninergic and noradrenergic systems. In the TST, the extract produced increases in both curling and swinging scores, suggestive of opioidergic monoaminergic activity, respectively. CONCLUSIONS The present study has demonstrated the antidepressant potential of the aqueous leaf extract of K. integra is mediated possibly by a complex interplay between serotoninergic, opioidergic, and noradrenergic systems.
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Affiliation(s)
- Kennedy K. E. Kukuia
- Department of Pharmacology, University of Ghana Medical School, University of Ghana, Accra, Ghana
- Address for correspondence: Dr. Kennedy K. E. Kukuia, E-mail:
| | - Isaac J. Asiedu-Gyekye
- Department of Pharmacology and Toxicology, University of Ghana Medical School, University of Ghana, Accra, Ghana
| | - Eric Woode
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Robert P. Biney
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Emmanuel Addae
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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Wolak M, Siwek A, Szewczyk B, Poleszak E, Bystrowska B, Moniczewski A, Rutkowska A, Młyniec K, Nowak G. Evaluation of the role of NMDA receptor function in antidepressant-like activity. A new study with citalopram and fluoxetine in the forced swim test in mice. Pharmacol Rep 2014; 67:490-3. [PMID: 25933959 DOI: 10.1016/j.pharep.2014.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2014] [Revised: 12/01/2014] [Accepted: 12/02/2014] [Indexed: 12/17/2022]
Abstract
BACKGROUND The NMDA/glutamate receptors are involved in the mechanism of antidepressant activity. METHODS The present study was designed to investigate the effect of NMDA receptor ligands (agonists and antagonists of glutamate sites) on the antidepressant-like activity of selective serotonin reuptake inhibitors (SSRIs), citalopram and fluoxetine, in the forced swim test in mice. RESULTS The antidepressant activity (reduction in immobility time) of citalopram but not of fluoxetine was antagonized by N-methyl-D-aspartate acid and enhanced by CGP37849 (antagonist of the NMDA receptor). CONCLUSIONS The present literature data indicate that the antidepressant-like activity of conventional antidepressants is generally affected by the NMDA receptor, although by modulation from different sites of the complex. Thus, it supports the issue of the ability of NMDA receptor antagonists to enhance the antidepressant action in human depression.
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Affiliation(s)
- Małgorzata Wolak
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland; Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Agata Siwek
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland; Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Bernadeta Szewczyk
- Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Lublin, Poland
| | - Beata Bystrowska
- Department of Toxicology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Andrzej Moniczewski
- Department of Toxicology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Anita Rutkowska
- Department of Toxicology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Katarzyna Młyniec
- Department of Toxicology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland; Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Gabriel Nowak
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland; Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland.
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Thalamic NMDA receptor function is necessary for patterning of the thalamocortical somatosensory map and for sensorimotor behaviors. J Neurosci 2014; 34:12001-14. [PMID: 25186746 DOI: 10.1523/jneurosci.1663-14.2014] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
NMDARs play a major role in patterning of topographic sensory maps in the brain. Genetic knock-out of the essential subunit of NMDARs in excitatory cortical neurons prevents whisker-specific neural pattern formation in the barrel cortex. To determine the role of NMDARs en route to the cortex, we generated sensory thalamus-specific NR1 (Grin1)-null mice (ThNR1KO). A multipronged approach, using histology, electrophysiology, optical imaging, and behavioral testing revealed that, in these mice, whisker patterns develop in the trigeminal brainstem but do not develop in the somatosensory thalamus. Subsequently, there is no barrel formation in the neocortex yet a partial afferent patterning develops. Whisker stimulation evokes weak cortical activity and presynaptic neurotransmitter release probability is also affected. We found several behavioral deficits in tasks, ranging from sensorimotor to social and cognitive. Collectively, these results show that thalamic NMDARs play a critical role in the patterning of the somatosensory thalamic and cortical maps and their impairment may lead to pronounced behavioral defects.
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Richardson KJ, Shelton KL. N-methyl-D-aspartate receptor channel blocker-like discriminative stimulus effects of nitrous oxide gas. J Pharmacol Exp Ther 2014; 352:156-65. [PMID: 25368340 DOI: 10.1124/jpet.114.218057] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Nitrous oxide (N2O) gas is a widely used anesthetic adjunct in dentistry and medicine that is also commonly abused. Studies have shown that N2O alters the function of the N-methyl-d-aspartate (NMDA), GABAA, opioid, and serotonin receptors among others. However, the receptors systems underlying the abuse-related central nervous system effects of N2O are unclear. The present study explores the receptor systems responsible for producing the discriminative stimulus effects of N2O. B6SJLF1/J male mice trained to discriminate 10 minutes of exposure to 60% N2O + 40% oxygen versus 100% oxygen served as subjects. Both the high-affinity NMDA receptor channel blocker (+)-MK-801 maleate [(5S,10R)-(+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine maleate] and the low-affinity blocker memantine partially mimicked the stimulus effects of N2O. Neither the competitive NMDA antagonist, CGS-19755 (cis-4-[phosphomethyl]-piperidine-2-carboxylic acid), nor the NMDA glycine-site antagonist, L701-324 [7-chloro-4-hydroxy-3-(3-phenoxy)phenyl-2(1H)-quinolinone], produced N2O-like stimulus effects. A range of GABAA agonists and positive modulators, including midazolam, pentobarbital, muscimol, and gaboxadol (4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-ol), all failed to produce N2O-like stimulus effects. The μ-, κ-, and δ-opioid agonists, as well as 5-hydroxytryptamine (serotonin) 1B/2C (5-HT1B/2C) and 5-HT1A agonists, also failed to produce N2O-like stimulus effects. Ethanol partially substituted for N2O. Both (+)-MK-801 and ethanol but not midazolam pretreatment also significantly enhanced the discriminative stimulus effects of N2O. Our results support the hypothesis that the discriminative stimulus effects of N2O are at least partially mediated by NMDA antagonist effects similar to those produced by channel blockers. However, as none of the drugs tested fully mimicked the stimulus effects of N2O, other mechanisms may also be involved.
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Affiliation(s)
- Kellianne J Richardson
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Keith L Shelton
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
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The role of NMDA receptors in the pathophysiology and treatment of mood disorders. Neurosci Biobehav Rev 2014; 47:336-58. [PMID: 25218759 DOI: 10.1016/j.neubiorev.2014.08.017] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 08/08/2014] [Accepted: 08/28/2014] [Indexed: 12/31/2022]
Abstract
Mood disorders such as major depressive disorder and bipolar disorder are chronic and recurrent illnesses that cause significant disability and affect approximately 350 million people worldwide. Currently available biogenic amine treatments provide relief for many and yet fail to ameliorate symptoms for others, highlighting the need to diversify the search for new therapeutic strategies. Here we present recent evidence implicating the role of N-methyl-D-aspartate receptor (NMDAR) signaling in the pathophysiology of mood disorders. The possible role of NMDARs in mood disorders has been supported by evidence demonstrating that: (i) both BPD and MDD are characterized by altered levels of central excitatory neurotransmitters; (ii) NMDAR expression, distribution, and function are atypical in patients with mood disorders; (iii) NMDAR modulators show positive therapeutic effects in BPD and MDD patients; and (iv) conventional antidepressants/mood stabilizers can modulate NMDAR function. Taken together, this evidence suggests the NMDAR system holds considerable promise as a therapeutic target for developing next generation drugs that may provide more rapid onset relief of symptoms. Identifying the subcircuits involved in mood and elucidating the role of NMDARs subtypes in specific brain circuits would constitute an important step toward the development of more effective therapies with fewer side effects.
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Poleszak E, Serefko A, Szopa A, Wośko S, Dudka J, Wróbel A, Oniszczuk T, Wlaź P. NMDA receptor activation antagonizes the NMDA antagonist-induced antianxiety effect in the elevated plus-maze test in mice. Pharmacol Rep 2014; 65:1124-31. [PMID: 24399708 DOI: 10.1016/s1734-1140(13)71470-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 04/11/2013] [Indexed: 12/23/2022]
Abstract
BACKGROUND The purpose of this study was to determine how the activation of different regulatory domains of the NMDA complex affects the antianxiety effect of antagonists acting at its distinct binding sites. METHODS The anxiolytic-like activity was assessed by the elevated plus-maze test in mice. RESULTS The anxiolytic activity of CGP 37849 (a competitive NMDA receptor antagonist) and L-701,324 (an antagonist at glycine site) was confirmed, but effects of both were significantly reduced by N-methyl-D-aspartic acid (NMDA) or by D-serine agonists at glutamate and glycine site of the NMDA receptor complex, respectively. CONCLUSION The obtained data suggest that stimulation of the glutamate or glycine recognition site of the NMDA receptor complex significantly decreases the antianxiety properties of antagonists of either site.
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Affiliation(s)
- Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093 Lublin, Poland.
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Poleszak E, Wośko S, Serefko A, Wlaź A, Kasperek R, Dudka J, Wróbel A, Nowak G, Wlaź P. The effects of ifenprodil on the activity of antidepressant drugs in the forced swim test in mice. Pharmacol Rep 2014; 66:1031-6. [PMID: 25443731 DOI: 10.1016/j.pharep.2014.06.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 06/13/2014] [Indexed: 11/25/2022]
Abstract
BACKGROUND According to reports in the literature, more than 30% of depressive patients fail to achieve remission. Therapy with the conventional antidepressant drugs may induce the serious adverse reactions. Moreover, its benefits may be seen at least 2-4 weeks after the first dose. Therefore, the alternative strategies for prevention and treatment of depression are sought. The main aim of our study was to assess the effects of ifenprodil given at a non-active dose (10mg/kg) on the activity of antidepressant agents from diverse pharmacological groups. METHODS The antidepressant-like effect was assessed by the forced swim test in mice. RESULTS Ifenprodil potentiated the antidepressant-like effect of imipramine (15mg/kg) and fluoxetine (5mg/kg) while did not reduce the immobility time of animals which simultaneously received reboxetine (2.5mg/kg) or tianeptine (15mg/kg). CONCLUSION The concomitant administration of certain commonly prescribed antidepressant drugs that affect the serotonergic neurotransmission (i.e., typical tricyclic antidepressants and selective serotonin reuptake inhibitors) with a negative modulator selectively binding to the GluN1/N2B subunits of the NMDA receptor complex (i.e., ifenprodil) may induce a more pronounced antidepressant-like effect than monotherapy. However, these findings still need to be confirmed in further experiments.
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Affiliation(s)
- Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Lublin, Poland.
| | - Sylwia Wośko
- Department of Applied Pharmacy, Medical University of Lublin, Lublin, Poland
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Lublin, Poland
| | - Aleksandra Wlaź
- Department of Pathophysiology, Medical University of Lublin, Lublin, Poland
| | - Regina Kasperek
- Department of Applied Pharmacy, Medical University of Lublin, Lublin, Poland
| | - Jarosław Dudka
- Medical Biology Unit, Medical University of Lublin, Lublin, Poland
| | - Andrzej Wróbel
- Second Department of Gynecology, Medical University of Lublin, Lublin, Poland
| | - Gabriel Nowak
- Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland; Department of Pharmacobiology, Jagiellonian University Medical College, Kraków, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland
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Antidepressant Effects of Mallotus oppositifolius in Acute Murine Models. ISRN PHARMACOLOGY 2014; 2014:324063. [PMID: 25045543 PMCID: PMC3972934 DOI: 10.1155/2014/324063] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 12/18/2013] [Indexed: 01/22/2023]
Abstract
Objective. Hydroalcoholic extract of leaves of Mallotus oppositifolius (MOE), a plant used for CNS conditions in Ghana, was investigated for acute antidepressant effects in the forced swimming (FST) and tail suspension tests (TST). Results. In both FST and TST, MOE (10, 30, and 100 mg kg(-1)) significantly decreased immobility periods and frequencies. A 3-day pretreatment with 200 mg kg(-1), i.p., para-chlorophenylalanine (PCPA), a tryptophan hydroxylase inhibitor, reversed the decline in immobility and the increase of swimming score induced by MOE in the modified FST. Pretreatment with reserpine alone (1 mg kg(-1)), α -methyldopa alone (400 mg kg(-1), i.p.), or a combination of both drugs failed to reverse the decline in immobility or the increase in swimming score caused by the extract in the modified FST. The extract potentiated the frequency of head twitch responses induced by 5-hydroxytryptamine. Pretreatment with d-serine (600 mg kg(-1), i.p.), glycine/NMDA agonist, abolished the behavioural effects of MOE while d-cycloserine (2.5 mg kg(-1), i.p.), a glycine/NMDA partial agonist, potentiated it in both TST and modified FST. Conclusion. The extract exhibited antidepressant effects in mice which is mediated by enhancement of serotoninergic neurotransmission and inhibition of glycine/NMDA receptor activation.
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Glycine transporters as novel therapeutic targets in schizophrenia, alcohol dependence and pain. Nat Rev Drug Discov 2014; 12:866-85. [PMID: 24172334 DOI: 10.1038/nrd3893] [Citation(s) in RCA: 154] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Glycine transporters are endogenous regulators of the dual functions of glycine, which acts as a classical inhibitory neurotransmitter at glycinergic synapses and as a modulator of neuronal excitation mediated by NMDA (N-methyl-D-aspartate) receptors at glutamatergic synapses. The two major subtypes of glycine transporters, GlyT1 and GlyT2, have been linked to the pathogenesis and/or treatment of central and peripheral nervous system disorders, including schizophrenia and related affective and cognitive disturbances, alcohol dependence, pain, epilepsy, breathing disorders and startle disease (also known as hyperekplexia). This Review examines the rationale for the therapeutic potential of GlyT1 and GlyT2 inhibition, and surveys the latest advances in the biology of glycine reuptake and transport as well as the drug discovery and clinical development of compounds that block glycine transporters.
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Yamamoto S, Ohba H, Nishiyama S, Harada N, Kakiuchi T, Tsukada H, Domino EF. Subanesthetic doses of ketamine transiently decrease serotonin transporter activity: a PET study in conscious monkeys. Neuropsychopharmacology 2013; 38:2666-74. [PMID: 23880871 PMCID: PMC3828538 DOI: 10.1038/npp.2013.176] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Revised: 06/18/2013] [Accepted: 07/17/2013] [Indexed: 01/10/2023]
Abstract
Subanesthetic doses of ketamine, an N-methyl-D-aspartic acid (NMDA) antagonist, have a rapid antidepressant effect which lasts for up to 2 weeks. However, the neurobiological mechanism regarding this effect remains unclear. In the present study, the effects of subanesthetic doses of ketamine on serotonergic systems in conscious monkey brain were investigated. Five young monkeys underwent four positron emission tomography measurements with [(11)C]-3-amino-4-(2-dimethylaminomethyl-phenylsulfanyl)benzonitrile ([(11)C]DASB) for the serotonin transporter (SERT), during and after intravenous infusion of vehicle or ketamine hydrochloride in a dose of 0.5 or 1.5 mg/kg for 40 min, and 24 h post infusion. Global reduction of [(11)C]DASB binding to SERT was observed during ketamine infusion in a dose-dependent manner, but not 24 h later. The effect of ketamine on the serotonin 1A receptor (5-HT1A-R) and dopamine transporter (DAT) was also investigated in the same subjects studied with [(11)C]DASB. No significant changes were observed in either 5-HT1A-R or DAT binding after ketamine infusion. Microdialysis analysis indicated that ketamine infusion transiently increased serotonin levels in the extracellular fluid of the prefrontal cortex. The present study demonstrates that subanesthetic ketamine selectively enhanced serotonergic transmission by inhibition of SERT activity. This action coexists with the rapid antidepressant effect of subanesthetic doses of ketamine. Further studies are needed to investigate whether the transient combination of SERT and NMDA reception inhibition enhances each other's antidepressant actions.
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Affiliation(s)
| | - Hiroyuki Ohba
- Central Research Laboratory, Hamamatsu Photonics KK, Hamakita, Japan
| | - Shingo Nishiyama
- Central Research Laboratory, Hamamatsu Photonics KK, Hamakita, Japan
| | - Norihiro Harada
- Central Research Laboratory, Hamamatsu Photonics KK, Hamakita, Japan
| | - Takeharu Kakiuchi
- Central Research Laboratory, Hamamatsu Photonics KK, Hamakita, Japan
| | - Hideo Tsukada
- Central Research Laboratory, Hamamatsu Photonics KK, Hamakita, Japan
| | - Edward F Domino
- Department of Pharmacology, University of Michigan, Ann Arbor, MI, USA,Department of Pharmacology, University of Michigan, Ann Arbor, MI 48109-05632, USA, Tel: +1 734 764 9115, Fax: +1 734 763 4450, E-mail:
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Poleszak E, Wośko S, Serefko A, Szopa A, Wlaź A, Szewczyk B, Nowak G, Wlaź P. Effects of ifenprodil on the antidepressant-like activity of NMDA ligands in the forced swim test in mice. Prog Neuropsychopharmacol Biol Psychiatry 2013; 46:29-35. [PMID: 23774195 DOI: 10.1016/j.pnpbp.2013.06.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2013] [Revised: 04/30/2013] [Accepted: 06/04/2013] [Indexed: 12/30/2022]
Abstract
Multiple pre-clinical and clinical studies clearly displayed implication of the NMDA receptors in development of depressive disorders since a variety of NMDA receptor antagonists exhibit an antidepressant-like effect. The main aim of our study was to assess the influence of ifenprodil - an allosteric modulator selectively binding at the NR2B subunit on the performance in the forced swim test in mice of various NMDA receptor ligands interacting with distinct components of the NMDA receptor complex. Ifenprodil at a dose of 10mg/kg enhanced the antidepressant-like effect of CGP 37849 (a competitive NMDA receptor antagonist, 0.312mg/kg), L-701,324 (an antagonist at glycine site, 1mg/kg), MK-801 (a non-competitive antagonist, 0.05mg/kg) and d-cycloserine (a partial agonist of a glycine site, 2.5mg/kg) but it did not shorten the immobility time of animals which concurrently received an inorganic modulator of the NMDA receptor complex, such as Zn(2+) (2.5mg/kg) or Mg(2+) (10mg/kg). On the other hand, the antidepressant-like effect of ifenprodil (20mg/kg) was reversed by N-methyl-d-aspartic acid (an agonist at the glutamate site, 75mg/kg) or d-serine (an agonist at the glycine site, 100nmol/mouse). In conclusion, the antidepressant-like potential of ifenprodil given concomitantly with NMDA ligands was either reinforced (in the case of both partial agonist and antagonists, except for magnesium and zinc) or diminished (in the case of conventional full agonists).
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Affiliation(s)
- Ewa Poleszak
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, PL 20-093 Lublin, Poland.
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Zeni ALB, Zomkowski ADE, Maraschin M, Tasca CI, Rodrigues ALS. Evidence of the involvement of the monoaminergic systems in the antidepressant-like effect of Aloysia gratissima. JOURNAL OF ETHNOPHARMACOLOGY 2013; 148:914-920. [PMID: 23747494 DOI: 10.1016/j.jep.2013.05.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Revised: 04/23/2013] [Accepted: 05/20/2013] [Indexed: 06/02/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aloysia gratissima (Verbenaceae) is an aromatic plant distributed in South America and, employed in folk medicine for the treatment of nervous systems illness, including depression. The neuroprotective and antidepressant-like activities of the aqueous extract of Aloysia gratissima (AE) administered orally has already been demonstrated.In this study the involvement of monoaminergic systems in the antidepressant-like effect of the AE was investigated. MATERIALS AND METHODS The implication of the monoaminergic systems in the antidepressant-like activity of Aloysia gratissima was evaluated using different pharmacological antagonists that were administered previously to the acute oral administration of AE (10 mg/kg). The antidepressant-like effect was assessed in the TST and locomotor activity was evaluated in the open-field test in mice. RESULTS The anti-immobility effect elicited by AE in the TST was prevented by the pre-treatment of mice with the antagonists, NAN-190 (5-HT(1A) receptor), ketanserin (5-HT(2A/2C) receptor), prazosin (α1-adrenoceptor), yohimbine (α2-adrenoceptor), SCH23390 (dopamine D1 receptor), or sulpiride (dopamine D2 receptor). CONCLUSIONS These results indicate that the antidepressant-like effect of AE in the TST is dependent on its interaction with the serotonergic (5-HT(1A) and 5-HT(2A/2C)), noradrenergic (α1 and α2-adrenoceptors) and dopaminergic (D1 and D2 receptors) systems, suggesting that this specie might act as a new potential resource for developing antidepressants to treat depressive disorders.
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Affiliation(s)
- Ana Lúcia B Zeni
- Departamento de Ciências Naturais, Centro de Ciências Exatas e Naturais, Universidade Regional de Blumenau, Campus I, 89012-900 SC, Brazil.
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Role of nonsynaptic GluN2B-containing NMDA receptors in excitotoxicity: evidence that fluoxetine selectively inhibits these receptors and may have neuroprotective effects. Brain Res Bull 2012; 93:32-8. [PMID: 23089362 DOI: 10.1016/j.brainresbull.2012.10.005] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Revised: 10/09/2012] [Accepted: 10/13/2012] [Indexed: 12/19/2022]
Abstract
In acute ischaemic brain injury and chronic neurodegeneration, the primary step leading to excitotoxicity and cell death is the excessive and/or prolonged activation of glutamate (Glu) receptors, followed by intracellular calcium (Ca(2+)) overload. These steps lead to several effects: a persistent depolarisation of neurons, mitochondrial dysfunction resulting in energy failure, an increased production of reactive oxygen species (ROS), an increase in the concentration of cytosolic Ca(2+) [Ca(2+)]i, increased mitochondrial Ca(2+) uptake, and the activation of self-destructing enzymatic mechanisms. Antagonists for NMDA receptors (NMDARs) are expected to display neuroprotective effects, but no evidence to support this hypothesis has yet been reported. A number of clinical trials using NMDAR antagonists have failed to demonstrate neuroprotective effects, either by reducing brain injury or by preventing neurodegeneration. Recent advances in NMDAR research have provided an explanation for this phenomenon. Synaptic and extrasynaptic NMDARs are composed of different subunits (GluN2A and GluN2B) that demonstrate opposing effects. Synaptic GluN2A-containing and extrasynaptic GluN2B-containing NMDARs have different co-agonists: d-serine for synaptic NMDARs and glycine for extrasynaptic NMDARs. Both co-agonists are of glial origin. The mechanisms of cell destruction or cell survival in response to the activation of NMDAR receptors depend in part on [Ca(2+)]i and the route of entry of this ion and more significantly on the subunit composition and localisation of the NMDARs. While synaptic NMDAR activation is involved in neuroprotection, the stimulation of extrasynaptic NMDARs, which are composed of GluN2B subunits, triggers cell destruction pathways and may play a key role in the neurodegeneration associated with Glu-induced excitotoxicity. In addition, it has been found that synaptic and extrasynaptic NMDA receptors have opposing effects in determining the fate of neurons. This result has led to the targeting of nonsynaptic GluN2B-containing NMDARs as promising candidates for drug research. Under hypoxic conditions, it is likely that the failure of synaptic glutamatergic transmission, the impairment of the GluN2A-activated neuroprotective cascade, and the persistent over-activation of extrasynaptic GluN2B-containing NMDARs lead to excitotoxicity. Fluoxetine, a drug widely used in clinical practice as an antidepressant, has been found to selectively block GluNR2B-containing NMDARs. Therefore, it seems to be a potential candidate for neuroprotection.
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Zomkowski ADE, Engel D, Cunha MP, Gabilan NH, Rodrigues ALS. The role of the NMDA receptors and l-arginine-nitric oxide-cyclic guanosine monophosphate pathway in the antidepressant-like effect of duloxetine in the forced swimming test. Pharmacol Biochem Behav 2012; 103:408-17. [PMID: 23010381 DOI: 10.1016/j.pbb.2012.09.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 09/10/2012] [Accepted: 09/16/2012] [Indexed: 11/19/2022]
Abstract
Duloxetine is a selective serotonin and noradrenaline reuptake inhibitor used as antidepressant. However, its mechanisms of action are not fully understood. This study investigated the effect of duloxetine in the mouse forced swimming test (FST) and in the tail suspension test (TST) and the involvement of the NMDA receptors and the l-arginine-NO-cGMP pathway in its effect in the FST. Duloxetine reduced the immobility time both in the FST and in the TST (dose range of 1-30mg/kg, i.p.), without changing locomotion in an open-field. Duloxetine administered orally (1-30mg/kg) also reduced the immobility time in the FST. The effect of duloxetine (10mg/kg, p.o.) in the FST was prevented by pre-treatment with NMDA (0.1pmol/site, i.c.v.), d-serine (30μg/site, i.c.v.), (l-arginine (750mg/kg, i.p.), S-nitroso-N-acetyl-penicillamine (SNAP, 25μg/site, i.c.v) or sildenafil (5mg/kg, i.p.). The administration of MK-801 (0.001mg/kg, i.p.), 7-nitroindazole (50mg/kg, i.p.), methylene blue (20mg/kg, i.p.) or 1H-[1,2,4]oxadiazole[4,3-a]quinoxalin-1-one (ODQ) (30pmol/site i.c.v.) in combination with a sub-effective dose of duloxetine (0.3mg/kg, p.o.) reduced the immobility time in the FST. Moreover, the administration of duloxetine (10mg/kg) produced a reduction in NOx levels in the hippocampus and cerebral cortex. Altogether the results suggest that the effect of duloxetine in the FST is dependent on either a blockade of NMDA receptors or an inhibition of NO. In addition, our results further reinforce the role of NMDA receptors and l-arginine-NO-cGMP pathway, besides the monoaminergic systems, in the mechanism of action of current prescribed antidepressant agents.
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Affiliation(s)
- Andréa D E Zomkowski
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis 88040-900, SC, Brazil
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The genetics of selective serotonin reuptake inhibitors. Pharmacol Ther 2012; 136:375-400. [PMID: 22944042 DOI: 10.1016/j.pharmthera.2012.08.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Accepted: 08/21/2012] [Indexed: 12/15/2022]
Abstract
Selective serotonin reuptake inhibitors (SSRIs) are among the most widely prescribed drugs in psychiatry. Based on the fact that SSRIs increase extracellular monoamine levels in the brain, the monoamine hypothesis of depression was introduced, postulating that depression is associated with too low serotonin, dopamine and noradrenaline levels. However, several lines of evidence indicate that this hypothesis is too simplistic and that depression and the efficacy of SSRIs are dependent on neuroplastic changes mediated by changes in gene expression. Because a coherent view on global gene expression is lacking, we aim to provide an overview of the effects of SSRI treatment on the final targets of 5-HT receptor signal transduction pathways, namely the transcriptional regulation of genes. We address gene polymorphisms in humans that affect SSRI efficacy, as well as in vitro studies employing human-derived cells. We also discuss the molecular targets affected by SSRIs in animal models, both in vivo and in vitro. We conclude that serotonin transporter gene variation in humans affects the efficacy and side-effects of SSRIs, whereas SSRIs generally do not affect serotonin transporter gene expression in animals. Instead, SSRIs alter mRNA levels of genes encoding serotonin receptors, components of non-serotonergic neurotransmitter systems, neurotrophic factors, hypothalamic hormones and inflammatory factors. So far little is known about the epigenetic and age-dependent molecular effects of SSRIs, which might give more insights in the working mechanism(s) of SSRIs.
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Kaster MP, Machado DG, Santos AR, Rodrigues ALS. Involvement of NMDA receptors in the antidepressant-like action of adenosine. Pharmacol Rep 2012; 64:706-13. [DOI: 10.1016/s1734-1140(12)70865-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 02/14/2012] [Indexed: 12/20/2022]
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Santos T, Baungratz MM, Haskel SP, de Lima DD, da Cruz JN, Magro DDD, da Cruz JGP. Behavioral interactions of simvastatin and fluoxetine in tests of anxiety and depression. Neuropsychiatr Dis Treat 2012; 8:413-22. [PMID: 23055736 PMCID: PMC3464062 DOI: 10.2147/ndt.s31714] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Simvastatin inhibits 3-hydroxy-3-methylglutaryl CoA reductase, the rate-limiting enzyme in the cholesterol biosynthetic pathway, and is widely used to control plasma cholesterol levels and prevent cardiovascular disease. However, emerging evidence indicates that the beneficial effects of simvastatin extend to the central nervous system. The effects of simvastatin combined with fluoxetine provide an exciting and potential paradigm to decreased anxiety and depression. Thus, the present paper investigates the possibility of synergistic interactions between simvastatin and fluoxetine in models of anxiety and depression. We investigated the effects of subchronically administered simvastatin (1 or 10 mg/kg/day) combined with fluoxetine (2 or 10 mg/kg) at 24, 5, and 1 hour on adult rats before conducting behavioral tests. The results indicate that simvastatin and/or fluoxetine treatment reduces anxiety-like behaviors in the elevated plus-maze and open-field tests. Our results showed that simvastatin and/or fluoxetine induced a significant increase in the swimming activity during the forced swimming test (antidepressant effect), with a concomitant increase in climbing time in simvastatin-treated animals only (noradrenergic activation). We hypothesize that anxiolytic and antidepressant effects of simvastatin and/or fluoxetine produce their behavioral effects through similar mechanisms and provide an important foundation for future preclinical research.
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Affiliation(s)
- Tainaê Santos
- Department of Medicine, Regional University of Blumenau, Santa Catarina, Brazil
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NMDA and AMPA receptors are involved in the antidepressant-like activity of tianeptine in the forced swim test in mice. Pharmacol Rep 2011; 63:1526-32. [DOI: 10.1016/s1734-1140(11)70716-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 06/24/2011] [Indexed: 12/22/2022]
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