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Gohar A, Ali G, Rashid U, Rauf K, Arif M, Khan MS, Alkahramaan YMSA, Sewell RDE. Effect of Gabapentin-Fluoxetine Derivative GBP1F in a Murine Model of Depression, Anxiety and Cognition. Drug Des Devel Ther 2023; 17:1793-1803. [PMID: 37346999 PMCID: PMC10281524 DOI: 10.2147/dddt.s407229] [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: 03/08/2023] [Accepted: 05/26/2023] [Indexed: 06/23/2023] Open
Abstract
Background and Objective Gabapentin is a commonly prescribed antiepileptic agent for seizures, which is also used for pain and addiction management. Due to growing evidence of its abuse liability, there has been an incentive to synthesise potentially useful gabapentin derivatives devoid of adverse effects. A gabapentin adduct with a fluoxetine moiety, GBP1F, was assessed for any sedative, cognitive, anxiolytic, or antidepressant-like actions in murine behavioral models. Materials and Methods Selected groups of mice were used for each behavioral paradigm, and the effect of GBP1F (5, 10, and 15 mg/kg) was assessed using spontaneous locomotor activity, the tail suspension test, elevated plus maze test, and the Y maze test models. Immediately following behavioral experiments, postmortem striatal and hippocampal tissues were evaluated for the effect of GBP1F on concentrations of dopamine, DOPAC, HVA, serotonin, 5-HIAA, vitamin C, and noradrenaline using high performance liquid chromatography with electrochemical detection. Results GBP1F induced a mild suppression of locomotor activity, ameliorated anxiety and depression-like behavior, did not alter cognitive behavior, and raised serotonin and 5-HIAA concentrations in the hippocampus and striatum. GBP1F also positively enhanced dopamine and vitamin C tissue levels in the striatum. Thus, GBP1F represents a compound with anxiolytic- and antidepressant-like effects though further studies are warranted at the molecular level to focus on the precise mechanism(s) of action.
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Affiliation(s)
- Aneela Gohar
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
| | - Gowhar Ali
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad Abbottabad Campus, Abbottabad, Pakistan
| | - Khalid Rauf
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
| | - Mehreen Arif
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
| | - Muhammad Sona Khan
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
| | | | - Robert D E Sewell
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
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Mi W, Di X, Wang Y, Li H, Xu X, Li L, Wang H, Wang G, Zhang K, Tian F, Luo J, Yang C, Zhou Y, Xie S, Zhong H, Wu B, Yang D, Chen Z, Li Y, Chen J, Lv S, Yi Q, Jiang Z, Tian J, Zhang H. A phase 3, multicenter, double-blind, randomized, placebo-controlled clinical trial to verify the efficacy and safety of ansofaxine (LY03005) for major depressive disorder. Transl Psychiatry 2023; 13:163. [PMID: 37164957 PMCID: PMC10171157 DOI: 10.1038/s41398-023-02435-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 03/31/2023] [Accepted: 04/18/2023] [Indexed: 05/12/2023] Open
Abstract
Major depressive disorder (MDD) is the most prevalent form of depression and is becoming a great challenge for public health and medical practice. Although first-line antidepressants offer therapeutic benefits, about 35% of depressed patients are not adequately treated, creating a substantial unmet medical need. A multicenter, double-blind, randomized, placebo-controlled phase 3 clinical trial was conducted in patients with MDD in China to assess the efficacy and safety of ansofaxine (LY03005), a potential triple reuptake inhibitor of serotonin, norepinephrine, and dopamine. Eligible 588 MDD patients were included and randomly assigned (1:1:1) to 8-week treatment with ansofaxine 80 mg/day(n = 187), ansofaxine 160 mg/day(n = 186), or placebo(n = 185). The primary efficacy endpoint was the Montgomery-Åsberg Depression Rating Scale (MADRS) total score change from baseline to the end of the study. Safety indexes included adverse events, vital signs, physical examination, laboratory tests, 12-lead electrocardiogram (ECG), and evaluation of suicide tendency and sexual function. Significant differences were found in mean changes in MADRS total score at week 8 in the two ansofaxine groups (80 mg, -20.0; 160 mg, -19.9) vs. placebo (-14.6; p < 0.0001). All doses of ansofaxine were generally well-tolerated. Treatment-emergent adverse events (TEAEs) were reported by 137 (74.46%) patients in ansofaxine 80 mg group, 144 (78.26%) patients in ansofaxine 160 mg and 125 (67.93%) patients in the placebo group. The incidence of treatment-related adverse events (TRAEs) was 59.2% (109 patients), 65.22% (120 patients) in the 80, 160 mg ansofaxine groups, and 45.11% (83 patients) in the placebo group. The initial results of this trial indicate that ansofaxine at both the 80 mg/day and 160 mg/day was effective and safe in adult patients with MDD. ClinicalTrials.gov Identifier: NCT04853407.
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Affiliation(s)
- Weifeng Mi
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Xiaolan Di
- Beijing Huilongguan Hospital, Beijing, China
| | - Yiming Wang
- The Affiliated Hospital of Guizhou Medical University, Guizhou, China
| | - Huafang Li
- Shanghai Mental Health Center, Shanghai, China
| | - Xiufeng Xu
- First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Lehua Li
- Second Xiangya Hospital of Central South University, Changsha, China
| | - Huaning Wang
- First Affiliated Hospital of the Fourth Military Medical University of Chinese People's Liberation Army, Xi'an, China
| | | | - Kerang Zhang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Feng Tian
- Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jiong Luo
- Beijing Anding Hospital of Capital Medical University, Beijing, China
| | - Chanjuan Yang
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | | | | | - Hua Zhong
- Huzhou Third Municipal Hospital, Huzhou, China
| | - Bin Wu
- Xi 'an Mental Health Center, Xi'an, China
| | - Dong Yang
- Hunan Brain Hospital, Changsha, China
| | - Zhenhua Chen
- Renmin Hospital of Wuhan University, Wuhan, China
| | - Yi Li
- Wuhan Mental Health Center, Wuhan, China
| | | | - Shuyun Lv
- The Fourth People Hospital of Urumqi, Urumqi, China
| | - Qizhong Yi
- The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Zhiwei Jiang
- Beijing KeyTech Statistical Technology Co., Ltd, Beijing, China
| | | | - Hongyan Zhang
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China.
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3
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Martin H, Bullich S, Martinat M, Chataigner M, Di Miceli M, Simon V, Clark S, Butler J, Schell M, Chopra S, Chaouloff F, Kleinridders A, Cota D, De Deurwaerdere P, Pénicaud L, Layé S, Guiard BP, Fioramonti X. Insulin modulates emotional behavior through a serotonin-dependent mechanism. Mol Psychiatry 2022:10.1038/s41380-022-01812-3. [PMID: 36207585 DOI: 10.1038/s41380-022-01812-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 11/08/2022]
Abstract
Type-2 Diabetes (T2D) is characterized by insulin resistance and accompanied by psychiatric comorbidities including major depressive disorders (MDD). Patients with T2D are twice more likely to suffer from MDD and clinical studies have shown that insulin resistance is positively correlated with the severity of depressive symptoms. However, the potential contribution of central insulin signaling in MDD in patients with T2D remains elusive. Here we hypothesized that insulin modulates the serotonergic (5-HT) system to control emotional behavior and that insulin resistance in 5-HT neurons contributes to the development of mood disorders in T2D. Our results show that insulin directly modulates the activity of dorsal raphe (DR) 5-HT neurons to dampen 5-HT neurotransmission through a 5-HT1A receptor-mediated inhibitory feedback. In addition, insulin-induced 5-HT neuromodulation is necessary to promote anxiolytic-like effect in response to intranasal insulin delivery. Interestingly, such an anxiolytic effect of intranasal insulin as well as the response of DR 5-HT neurons to insulin are both blunted in high-fat diet-fed T2D animals. Altogether, these findings point to a novel mechanism by which insulin directly modulates the activity of DR 5-HT neurons to dampen 5-HT neurotransmission and control emotional behaviors, and emphasize the idea that impaired insulin-sensitivity in these neurons is critical for the development of T2D-associated mood disorders.
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Affiliation(s)
- Hugo Martin
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Sébastien Bullich
- Centre de Recherches sur la Cognition Animale (CRCA), Centre de Biologie Intégrative (CBI), CNRS UMR5169, Toulouse, France
| | - Maud Martinat
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Mathilde Chataigner
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Mathieu Di Miceli
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
- Worcester Biomedical Research Group, University of Worcester, WR2 6AJ, Worcester, UK
| | - Vincent Simon
- University of Bordeaux, Neurocentre Magendie, INSERM U1215, Bordeaux, France
| | - Samantha Clark
- University of Bordeaux, Neurocentre Magendie, INSERM U1215, Bordeaux, France
| | - Jasmine Butler
- INCIA, UMR CNRS, Bordeaux University, Neurocampus, Bordeaux, France
| | - Mareike Schell
- University of Potsdam, Institute of Nutritional Science, Molecular and Experimental Nutritional Medicine, Nuthetal, Germany
| | - Simran Chopra
- University of Potsdam, Institute of Nutritional Science, Molecular and Experimental Nutritional Medicine, Nuthetal, Germany
| | - Francis Chaouloff
- University of Bordeaux, Neurocentre Magendie, INSERM U1215, Bordeaux, France
| | - Andre Kleinridders
- University of Potsdam, Institute of Nutritional Science, Molecular and Experimental Nutritional Medicine, Nuthetal, Germany
| | - Daniela Cota
- University of Bordeaux, Neurocentre Magendie, INSERM U1215, Bordeaux, France
| | | | - Luc Pénicaud
- RESTORE, UMR INSERM 1301/CNRS 5070/Université Paul Sabatier/EFS/ENVT, Toulouse, France
| | - Sophie Layé
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Bruno P Guiard
- Centre de Recherches sur la Cognition Animale (CRCA), Centre de Biologie Intégrative (CBI), CNRS UMR5169, Toulouse, France
| | - Xavier Fioramonti
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France.
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Coutens B, Yrondi A, Rampon C, Guiard BP. Psychopharmacological properties and therapeutic profile of the antidepressant venlafaxine. Psychopharmacology (Berl) 2022; 239:2735-2752. [PMID: 35947166 DOI: 10.1007/s00213-022-06203-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 07/26/2022] [Indexed: 10/15/2022]
Abstract
Major depression (MD) is one of the most common psychiatric disorders worldwide. Currently, the first-line treatment for MD targets the serotonin system but these drugs, notably the selective serotonin reuptake inhibitors, usually need 4 to 6 weeks before the benefit is felt and a significant proportion of patients shows an unsatisfactory response. Numerous treatments have been developed to circumvent these issues as venlafaxine, a mixed serotonin-norepinephrine reuptake inhibitor that binds and blocks both the SERT and NET transporters. Despite this pharmacological profile, it is difficult to have a valuable insight into its ability to produce more robust efficacy than single-acting agents. In this review, we provide an in-depth characterization of the pharmacological properties of venlafaxine from in vitro data to preclinical and clinical efficacy in depressed patients and animal models of depression to propose an indirect comparison with the most common antidepressants. Preclinical studies show that the antidepressant effect of venlafaxine is often associated with an enhancement of serotonergic neurotransmission at low doses. High doses of venlafaxine, which elicit a concomitant increase in 5-HT and NE tone, is associated with changes in different forms of plasticity in discrete brain areas. In particular, the hippocampus appears to play a crucial role in venlafaxine-mediated antidepressant effects notably by regulating processes such as adult hippocampal neurogenesis or the excitatory/inhibitory balance. Overall, depending on the dose used, venlafaxine shows a high efficacy on depressive-like symptoms in relevant animal models but to the same extent as common antidepressants. However, these data are counterbalanced by a lower tolerance. In conclusion, venlafaxine appears to be one of the most effective treatments for treatment of major depression. Still, direct comparative studies are warranted to provide definitive conclusions about its superiority.
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Affiliation(s)
- Basile Coutens
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, 31000, Toulouse, France
| | - Antoine Yrondi
- Département de psychiatrie, CHU Toulouse-Purpan, Toulouse NeuroImaging Center, ToNIC, Université de Toulouse, Inserm, 31059, Toulouse, France
| | - Claire Rampon
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, 31000, Toulouse, France
| | - Bruno P Guiard
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, 31000, Toulouse, France.
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Rodríguez-Lavado J, Alarcón-Espósito J, Mallea M, Lorente A. A new paradigm shift in antidepressant therapy? From dual-action to multitarget-directed ligands. Curr Med Chem 2022; 29:4896-4922. [PMID: 35301942 DOI: 10.2174/0929867329666220317121551] [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: 09/22/2021] [Revised: 01/10/2022] [Accepted: 01/15/2022] [Indexed: 11/22/2022]
Abstract
Major Depressive Disorder is a chronic, recurring, and potentially fatal disease affecting up to 20% of the global population. Since the monoamine hypothesis was proposed more than 60 years ago, only a few relevant advances have been achieved, with very little disease course changing, from a pharmacological perspective. Moreover, since negative efficacy studies with novel molecules are frequent, many pharmaceutical companies have put new studies on hold. Fortunately, relevant clinical studies are currently being performed, and extensive striving is being developed by universities, research centers, and other public and private institutions. Depression is no longer considered a simple disease but a multifactorial one. New research fields are emerging in what could be a paradigm shift: the multitarget approach beyond monoamines. In this review, we summarize the present and the past of antidepressant drug discovery, with the aim to shed some light on the current state of the art in clinical and preclinical advances to face this increasingly devastating disease.
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Affiliation(s)
- Julio Rodríguez-Lavado
- Departamento de Química Orgánica y Fisicoquímica, Facultad de Química y Ciencias Farmacéuticas, Universidad de Chile, Casilla 233, Santiago, Chile
| | - Jazmín Alarcón-Espósito
- Departamento de Química Orgánica y Fisicoquímica, Facultad de Química y Ciencias Farmacéuticas, Universidad de Chile, Casilla 233, Santiago, Chile
| | - Michael Mallea
- Departamento de Química Orgánica y Fisicoquímica, Facultad de Química y Ciencias Farmacéuticas, Universidad de Chile, Casilla 233, Santiago, Chile
| | - Alejandro Lorente
- Departamento de Química Orgánica y Fisicoquímica, Facultad de Química y Ciencias Farmacéuticas, Universidad de Chile, Casilla 233, Santiago, Chile
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6
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Mi W, Yang F, Li H, Xu X, Li L, Tan Q, Wang G, Zhang K, Tian F, Luo J, Xia J, Yuan K, Lu L, Deng J, Tian J, Zhang H. Efficacy, Safety, and Tolerability of Ansofaxine (LY03005) Extended-Release Tablet for Major Depressive Disorder: A Randomized, Double-Blind, Placebo-Controlled, Dose-Finding, Phase 2 Clinical Trial. Int J Neuropsychopharmacol 2021; 25:252-260. [PMID: 34747448 PMCID: PMC8929756 DOI: 10.1093/ijnp/pyab074] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/05/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Ansofaxine (LY03005) extended-release tablet is a potential triple reuptake inhibitor of serotonin, norepinephrine, and dopamine. This study assessed the efficacy, safety, and appropriate dosage of ansofaxine for the treatment of major depressive disorder (MDD). METHODS A multicenter, randomized, double-blind, placebo-controlled, dose-finding, Phase 2 clinical trial was conducted in China. Eligible patients with MDD (18-65 years) were randomly assigned to receive fixed-dose ansofaxine extended-release tablets (40, 80, 120, or 160 mg/d) or placebo for 6 weeks. The primary outcome measure was a change in the total score on the 17-item Hamilton Depression Rating Scale from baseline to week 6. RESULTS A total of 260 patients were recruited from October 2015 to September 2017, and 255 patients received the study drug as follows: 40 mg (n = 52), 80 mg (n = 52), 120 mg (n = 51), and 160 mg (n = 51) ansofaxine and placebo (n = 49). Significant differences were found in mean changes in 17-item Hamilton Depression Rating Scale total scores at week 6 in the 4 ansofaxine groups vs placebo (-12.46; χ2 = -9.71, P = .0447). All doses of ansofaxine were generally well-tolerated. Treatment-related adverse events occurred in 141 patients (303 cases), yielding incidence rates of 51.92%, 65.38%, 56.86%, and 62.75% in the 40-, 80-, 120-, and 160-mg ansofaxine groups and 38.78% in the placebo group. CONCLUSION Active doses (40, 80, 120, and 160 mg/d) of ansofaxine in a controlled setting were safe, tolerated, and effective in improving depression symptoms in MDD patients.
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Affiliation(s)
- Weifeng Mi
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Fude Yang
- Beijing Huilongguan Hospital, Beijing, China
| | - Huafang Li
- Shanghai Mental Health Center, Shanghai, China
| | - Xiufeng Xu
- First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Lehua Li
- Second Xiangya Hospital of Central South University, Changsha, China
| | - Qingrong Tan
- First Affiliated Hospital of the Fourth Military Medical University (Air Force Medical University), Xi’an, China
| | | | - Kerang Zhang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Feng Tian
- Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jiong Luo
- Beijing Anding Hospital of Capital Medical University, Beijing, China
| | - Jielai Xia
- Fourth Military Medical University of Chinese People’s Liberation Army, Statistical Analysis Teaching and Research Section, Xi’an, China
| | - Kai Yuan
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Lin Lu
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Jiahui Deng
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China,Correspondence: Jiahui Deng, PhD, Institute of Mental Health and Peking University Sixth Hospital, 51 Huayuan Bei Road, Beijing 100191, China ()
| | | | - Hongyan Zhang
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
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Portal B, Guiard BP. [Role of astrocytic connexins in the regulation of extracellular glutamate levels: implication for the treatment of major depressive episodes]. Biol Aujourdhui 2020; 214:71-83. [PMID: 33357364 DOI: 10.1051/jbio/2020008] [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: 06/14/2020] [Indexed: 11/14/2022]
Abstract
Major depression is a psychiatric disorder relying on different neurobiological mechanisms. In particular, a hypersensitivity of the hypothalamic-pituitary-adrenal axis leading to an excess of cortisol in blood and a deficit in monoaminergic neurotransmission have been associated with mood disorders. In keeping with these mechanisms, currently available antidepressant drugs act by increasing the extracellular levels of monoamines in the synaptic cleft. Since the discovery of the rapid and long-lasting antidepressant effects of ketamine, an NMDA receptor antagonist, a growing attention in psychiatry is paid to the pharmacological tools able to attenuate glutamatergic neurotransmission. Astrocytes play an important role in the excitatory/inhibitory balance of the central nervous system through the regulation of glutamate reuptake and secretion. Interestingly, the release of this excitatory amino acid is controlled, at least in part, by plasma membrane proteins (i.e. connexins) that cluster together to form gap junctions or hemichannels. Preclinical evidence suggests that these functional entities play a critical role in emotional behaviour. After a brief overview of the literature on mood disorders and related treatments, this review describes the role of astrocytes and connexins in glutamatergic neurotransmission and major depression. Moreover, we highlight the arguments supporting the therapeutic potential of connexins blockers but also the practical difficulties to target the hemichannels while maintaining gap junctions intact.
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Affiliation(s)
- Benjamin Portal
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, 31000 Toulouse, France
| | - Bruno P Guiard
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, 31000 Toulouse, France
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8
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Jiang JL, El Mansari M, Blier P. Triple reuptake inhibition of serotonin, norepinephrine, and dopamine increases the tonic activation of α 2-adrenoceptors in the rat hippocampus and dopamine levels in the nucleus accumbens. Prog Neuropsychopharmacol Biol Psychiatry 2020; 103:109987. [PMID: 32474007 DOI: 10.1016/j.pnpbp.2020.109987] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/26/2020] [Accepted: 05/26/2020] [Indexed: 01/03/2023]
Abstract
Clinical studies have shown the therapeutic efficacy of an increase in dopamine (DA) transmission in treatment of major depressive disorder (MDD). In the present study, we investigated whether blockade of DA transporters in addition to serotonin (5-HT) and norepinephrine (NE) produced additional adaptations of monoaminergic systems. In vivo electrophysiological recordings were carried out in male anesthetized rats. Vehicle, the 5-HT reuptake inhibitor escitalopram, the NE/DA reuptake blocker nomifensine and their combination (triple reuptake inhibition; TRI) were delivered for 2 or 14 days. Firing activity of NE, 5-HT and DA neurons was assessed. Tonic activation of 5-HT1A receptors and α1- and α2-adrenoceptors was determined in the hippocampus and extracellular DA levels in the nucleus accumbens (NAc). Unlike escitalopram, nomifensine and TRI administration increased the tonic activation of α2-adrenoceptors in the hippocampus despite decreasing NE neuronal firing activity after 2 and 14 days of administration. The firing activity of 5-HT neurons was increased after prolonged nomifensine and TRI regimens, while addition of nomifensine to escitalopram prevented the early 2-day suppression of firing by 5-HT reuptake inhibition. The tonic activation of 5-HT1A receptors was enhanced only with escitalopram. Whereas escitalopram and nomifensine decreased firing activity of DA neurons after a 2-day administration, their combination normalized it to baseline level after 14 days; this was accompanied by a robust increase in extracellular DA levels in the NAc. In summary, these results indicate that TRI increases NE and DA but not 5-HT transmission, suggesting a differential efficacy profile in MDD patients.
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Affiliation(s)
- Jojo L Jiang
- University of Ottawa Institute of Mental Health Research, 1145 Carling Avenue, Ottawa, Ontario K1Z 7K4, Canada
| | - Mostafa El Mansari
- University of Ottawa Institute of Mental Health Research, 1145 Carling Avenue, Ottawa, Ontario K1Z 7K4, Canada.
| | - Pierre Blier
- University of Ottawa Institute of Mental Health Research, 1145 Carling Avenue, Ottawa, Ontario K1Z 7K4, Canada
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9
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Coutens B, Rekik K, Harster A, Etienne P, Noirot V, Frances B, Moulédous L, Guiard BP. A Citrus Based Sensory Functional Food Ingredient Induces Antidepressant-like Effects: Possible Involvement of an Interplay between the Olfactory and the Serotonergic Systems. Neuroscience 2020; 451:149-163. [PMID: 33039523 DOI: 10.1016/j.neuroscience.2020.09.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 09/17/2020] [Accepted: 09/20/2020] [Indexed: 12/28/2022]
Abstract
In the present study, we examined the neurobehavioral effects of a sensory functional food ingredient mainly based on Citrus sinensis extracts (D11399) using a battery of tests recapitulating various endophenotypes of depression such as anxiety in the open field (OF), the elevated plus-maze (EPM), and the novelty suppressed feeding (NSF), self-care in the splash test (ST), despair in the forced swimming task (FST) but also anhedonia in the sucrose preference test (SPT) in mice. A one-week oral administration of D11399 promoted anxiolytic- and antidepressant-like responses in naïve mice subjected to the NSF and FST. In a marked contrast, the administration of D11399 by oral gavage or the inhibition of olfaction by methimazole prevented such beneficial effects. We further investigated the neurobehavioral properties of a ten-week oral administration of D11399 in the corticosterone (CORT) mouse model of depression. Interestingly, D11399 also elicited anxiolytic- and antidepressant-like effects in various paradigms. To characterize the putative underpinning neurobiological mechanisms in CORT mice, we investigated whether cellular and molecular processes commonly associated with antidepressant responses such as monoaminergic neurotransmission and neuronal maturation in the hippocampus were impacted. Although D11399 did not modify the hippocampal extracellular levels of monoamines (i.e. serotonin and norepinephrine), it reversed the ability of CORT to decrease serotonin neurons firing rate in the dorsal raphe and neuronal maturation in the hippocampus. These findings suggest that the anxiolytic- and antidepressant-like effects of this sensory functional food ingredient are closely related with olfaction and likely a concomitant change in the activity of the central serotonergic system. Further experiments are warranted to precise the neuronal circuits linking sensorial and emotional modalities and identify innovative therapeutic strategies aimed to relieve depressive endophenotypes.
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Affiliation(s)
- B Coutens
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, France
| | - K Rekik
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, France
| | - A Harster
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, France
| | | | | | - B Frances
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, France
| | - L Moulédous
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, France
| | - B P Guiard
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, France; Faculté de Pharmacie, Université Paris Sud, Université Paris-Saclay, 92290 Chatenay-Malabry, France.
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10
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Sivakumar KC, Haixiao J, Naman CB, Sajeevan TP. Prospects of multitarget drug designing strategies by linking molecular docking and molecular dynamics to explore the protein-ligand recognition process. Drug Dev Res 2020; 81:685-699. [PMID: 32329098 DOI: 10.1002/ddr.21673] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 03/24/2020] [Accepted: 04/06/2020] [Indexed: 12/14/2022]
Abstract
The designing of drugs that can simultaneously affect different protein targets is one novel and promising way to treat complex diseases. Multitarget drugs act on multiple protein receptors each implicated in the same disease state, and may be considered to be more beneficial than conventional drug therapies. For example, these drugs can have improved therapeutic potency due to synergistic effects on multiple targets, as well as improved safety and resistance profiles due to the combined regulation of potential primary therapeutic targets and compensatory elements and lower dosage typically required. This review analyzes in-silico methods that facilitate multitarget drug design that facilitate the discovery and development of novel therapeutic agents. Here presented is a summary of the progress in structure-based drug discovery techniques that study the process of molecular recognition of targets and ligands, moving from static molecular docking to improved molecular dynamics approaches in multitarget drug design, and the advantages and limitations of each.
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Affiliation(s)
- Krishnankutty Chandrika Sivakumar
- National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Kochi, India.,Bioinformatics Facility, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India
| | - Jin Haixiao
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, China
| | - C Benjamin Naman
- Li Dak Sum Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, China.,Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
| | - T P Sajeevan
- National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Kochi, India
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11
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Zhang K, Lu J, Yao L. Involvement of the dopamine D1 receptor system in the anxiolytic effect of cedrol in the elevated plus maze and light–dark box tests. J Pharmacol Sci 2020; 142:26-33. [DOI: 10.1016/j.jphs.2019.11.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/23/2019] [Accepted: 11/06/2019] [Indexed: 01/15/2023] Open
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12
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Koprdova R, Csatlosova K, Durisova B, Bogi E, Majekova M, Dremencov E, Mach M. Electrophysiology and Behavioral Assessment of the New Molecule SMe1EC2M3 as a Representative of the Future Class of Triple Reuptake Inhibitors. Molecules 2019; 24:molecules24234218. [PMID: 31757051 PMCID: PMC6930491 DOI: 10.3390/molecules24234218] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/18/2019] [Accepted: 11/18/2019] [Indexed: 11/16/2022] Open
Abstract
SMe1EC2M3 is a pyridoindole derivative related to the neuroleptic drug carbidine. Based on the structural similarities of SMe1EC2M3 and known serotonin (5-HT), norepinephrine, and dopamine reuptake inhibitors, we hypothesized that this compound may also have triple reuptake inhibition efficacy and an antidepressant-like effect. PreADMET and Dragon software was used for in silico prediction of pharmacokinetics and pharmacodynamics of SMe1EC2M3. Forced swim test was used to evaluate its antidepressant-like effects. Extracellular in vivo electrophysiology was used to assess 5-HT, norepinephrine, and dopamine reuptake inhibition efficacy of SMe1EC2M3. PreADMET predicted reasonable intestinal absorption, plasma protein binding, and blood-brain permeability for SMe1EC2M3. Dragon forecasted its efficiency as an antidepressant. Using behavioral measurements, it was found that SMe1EC2M3 decreased immobility time and increase swimming time during the forced swim test (FST). Electrophysiological investigations showed that SMe1EC2M3 dose-dependently suppressed the excitability of 5-HT neurons of the dorsal raphe nucleus (DRN), norepinephrine neurons of the locus coeruleus (LC), and dopamine neurons of the ventral tegmental area (VTA). The SMe1EC2M3-induced suppression of 5-HT, norepinephrine, and dopamine neurons was reversed by the antagonists of serotonin-1A (5-HT1A; WAY100135), α-2 adrenergic (α2, yohimbine), and dopamine-2 receptors (D2, haloperidol), respectively. We conclude that SMe1EC2M3 is prospective triple 5-HT, norepinephrine, and dopamine reuptake inhibitor with antidepressant-like properties, however future studies should be performed to complete the pharmacological profiling of this compound.
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Affiliation(s)
- Romana Koprdova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine of the Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia; (R.K.)
| | - Kristina Csatlosova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine of the Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia; (R.K.)
| | - Barbora Durisova
- Institute of Molecular Physiology and Genetics, Center of Biosciences, Slovak Academy of Sciences, Dúbravská cesta 9, 840 05 Bratislava, Slovakia
| | - Eszter Bogi
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine of the Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia; (R.K.)
| | - Magdalena Majekova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine of the Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia; (R.K.)
| | - Eliyahu Dremencov
- Institute of Molecular Physiology and Genetics, Center of Biosciences, Slovak Academy of Sciences, Dúbravská cesta 9, 840 05 Bratislava, Slovakia
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia
| | - Mojmir Mach
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine of the Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia; (R.K.)
- Correspondence: ; Tel.: +421-2-3229-5718
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13
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Dutta AK, Santra S, Harutyunyan A, Das B, Lisieski MJ, Xu L, Antonio T, Reith ME, Perrine SA. D-578, an orally active triple monoamine reuptake inhibitor, displays antidepressant and anti-PTSD like effects in rats. Eur J Pharmacol 2019; 862:172632. [DOI: 10.1016/j.ejphar.2019.172632] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 08/05/2019] [Accepted: 08/27/2019] [Indexed: 12/28/2022]
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14
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Humo M, Lu H, Yalcin I. The molecular neurobiology of chronic pain-induced depression. Cell Tissue Res 2019; 377:21-43. [PMID: 30778732 DOI: 10.1007/s00441-019-03003-z] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 02/01/2019] [Indexed: 12/18/2022]
Abstract
The increasing number of individuals with comorbidities poses an urgent need to improve the management of patients with multiple co-existing diseases. Among these comorbidities, chronic pain and mood disorders, two long-lasting disabling conditions that significantly reduce the quality of life, could be cited first. The recent development of animal models accelerated the studies focusing on the underlying mechanisms of the chronic pain and depression/anxiety comorbidity. This review provides an overview of clinical and pre-clinical studies performed over the past two decades addressing the molecular aspects of the comorbid relationship of chronic pain and depression. We thus focused on the studies that investigated the molecular characteristics of the comorbid relationship between chronic pain and mood disorders, especially major depressive disorders, from the genetic and epigenetic point of view to key neuromodulators which have been shown to play an important role in this comorbidity.
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Affiliation(s)
- Muris Humo
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000, Strasbourg, France
| | - Han Lu
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000, Strasbourg, France.,Faculty of Biology and Bernstein Center Freiburg, University of Freiburg, D-79104, Freiburg, Germany
| | - Ipek Yalcin
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000, Strasbourg, France.
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15
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Zhang T, Hong J, Di T, Chen L. MPTP Impairs Dopamine D1 Receptor-Mediated Survival of Newborn Neurons in Ventral Hippocampus to Cause Depressive-Like Behaviors in Adult Mice. Front Mol Neurosci 2016; 9:101. [PMID: 27790091 PMCID: PMC5062058 DOI: 10.3389/fnmol.2016.00101] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Accepted: 09/28/2016] [Indexed: 11/13/2022] Open
Abstract
Parkinson’s disease (PD) is characterized by motor symptoms with depression. We evaluated the influence of dopaminergic depletion on hippocampal neurogenesis process to explore mechanisms of depression production. Five consecutive days of 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) injection in mice (MPTP-mice) reduced dopaminergic fibers in hippocampal dentate gyrus (DG). MPTP-mice exhibited depressive-like behaviors later for 2–3 weeks. BrdU was injected 4 h after last-injection of MPTP. BrdU-positive (BrdU+) cells in dorsal (d-DG) and ventral (v-DG) DG were examined on day 1 (D1), 7 (D7), 14 (D14) and 21 (D21) after BrdU injection. Fewer D7-, D14- and D21-BrdU+ cells or BrdU+/NeuN+ cells, but not D1-BrdU+ cells, were found in v-DG of MPTP-mice than in controls. However, the number of BrdU+ cells in d-DG did not differ between the both. Loss of doublecortin-positive (DCX+) cells was observed in v-DG of MPTP-mice. Protein kinase A (PKA) and Ca2+/cAMP-response element binding protein (CREB) phosphorylation were reduced in v-DG of MPTP-mice, which were reversed by D1-like receptor (D1R) agonist SKF38393, but not D2R agonist quinpirole. The treatment of MPTP-mice with SKF38393 on days 2–7 after BrdU-injection reduced the loss of D7- and D21-BrdU+ cells in v-DG and improved the depressive-like behaviors; these changes were sensitive to PKA inhibitor H89. Moreover, the v-DG injection of SKF38393 in MPTP-mice could reduce the loss of D21-BrdU+ cells and relieve the depressive-like behaviors. In control mice, the blockade of D1R by SCH23390 caused the reduction of D21-BrdU+ cells in v-DG and the depressive-like behaviors. Our results indicate that MPTP-reduced dopaminergic depletion impairs the D1R-mediated early survival of newborn neurons in v-DG, producing depressive-like behaviors.
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Affiliation(s)
- Tingting Zhang
- State Key Lab of Reproductive Medicine, Nanjing Medical UniversityNanjing, China; Department of Physiology, Nanjing Medical UniversityNanjing, China
| | - Juan Hong
- State Key Lab of Reproductive Medicine, Nanjing Medical UniversityNanjing, China; Department of Physiology, Nanjing Medical UniversityNanjing, China
| | - Tingting Di
- Department of Physiology, Nanjing Medical University Nanjing, China
| | - Ling Chen
- State Key Lab of Reproductive Medicine, Nanjing Medical UniversityNanjing, China; Department of Physiology, Nanjing Medical UniversityNanjing, China
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16
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Li S, Han J, Wang DS, Feng B, Deng YT, Wang XS, Yang Q, Zhao MG. Echinocystic acid reduces reserpine-induced pain/depression dyad in mice. Metab Brain Dis 2016; 31:455-63. [PMID: 26729203 DOI: 10.1007/s11011-015-9786-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 12/22/2015] [Indexed: 01/06/2023]
Abstract
Chronic pain has consistently been correlated with depression. Echinocystic acid (EA), a natural triterpone enriched in various herbs and used for medicinal purpose in many Asian countries, exhibits anti-inflammatory and analgesic activities. However, little is known the effects of EA on the depression. In present study, we investigated the anti-depression activities in the mouse model of reserpine-induced pain-depression dyad. Reserpine (1 mg/kg subcutaneously daily for 3 days) caused significant depression-like behaviors and pain sensation. Subsequent treatment of EA (5 mg/kg intragastrically daily for 5 days) attenuated the reserpine-induced pain/depression dyad as shown by the increase of pain threshold and the behaviors in forced swimming test, tail suspension test, and open field test. Furthermore, treatment of EA reversed the decrease of biogenic amines (norepinephrine, dopamine, and serotonin) in the brain region of hippocampus, a structure involved in the formation of emotional disorders. Levels of serotonin receptor 5-HT1A were decreased and levels of 5-HT2A were increased in the reserpine-injected mice. Treatment of EA could restore the alterations of serotonin receptors. At the same time, the increase in GluN2B-containing NMDA receptors, p-GluA1-Ser831, PSD-95 and CaMKII were integrated with the increase in caspase-3 and iNOS levels in the hippocampus of the reserpine-injected mice. EA significantly reversed the changes of above proteins. However, EA did not affect the levels of GluN2A-containing NMDA receptors and the total levels of GluA1 and p-GluA1-Ser845. Our study provides strong evidence that EA attenuates reserpine-induced pain/depression dyad partially through regulating the biogenic amines levels and GluN2B receptors in the hippocampus.
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Affiliation(s)
- Shuo Li
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Jing Han
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Dong-Sheng Wang
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China
| | - Bin Feng
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Ya-Ting Deng
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Xin-Shang Wang
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Qi Yang
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Ming-Gao Zhao
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China.
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17
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Montoya A, Bruins R, Katzman MA, Blier P. The noradrenergic paradox: implications in the management of depression and anxiety. Neuropsychiatr Dis Treat 2016; 12:541-57. [PMID: 27042068 PMCID: PMC4780187 DOI: 10.2147/ndt.s91311] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Both major depressive disorder and the anxiety disorders are major causes of disability and markedly contribute to a significant global burden of the disease worldwide. In part because of the significant socioeconomic burden associated with these disorders, theories have been developed to specifically build clinical treatment approaches. One such theory, the monoaminergic hypothesis, has led to the development of several generations of selective and nonselective inhibitors of transporters of serotonin and norepinephrine, with the goal of augmenting monoaminergic transmission. These efforts have led to considerable success in the development of antidepressant therapeutics. However, there is a strong correlation between enhanced noradrenergic activity and fear and anxiety. Consequently, some physicians have expressed concerns that the same enhanced noradrenergic activity that alleviates depression could also promote anxiety. The fact that the serotonergic and noradrenergic reuptake inhibitors are successfully used in the treatment of anxiety and panic disorders seems paradoxical. This review was undertaken to determine if any clinical evidence exists to show that serotonergic and noradrenergic reuptake inhibitors can cause anxiety. The PubMed, EMBASE, and Cochrane Library databases were searched, and the results limited to randomized, double-blind, placebo-controlled studies performed in nongeriatric adults and with clear outcome measures were reported. Based on these criteria, a total of 52 studies were examined. Patients in these studies suffered from depression or anxiety disorders (generalized and social anxiety disorders, panic disorder, and posttraumatic stress disorder). The large majority of these studies employed venlafaxine or duloxetine, and the remainder used tri-cyclic antidepressants, atomoxetine, or reboxetine. All the studies reported clinically significant alleviation of depressive and/or anxious symptoms by these therapeutics. In none of these studies was anxiety a treatment-emergent adverse effect. This review argues against the impression that enhanced generalized noradrenergic activity promotes the emergence of anxiety.
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Affiliation(s)
- Alonso Montoya
- Eli Lilly Canada Inc, University of Ottawa, Ottawa, ON, Canada
| | - Robert Bruins
- Eli Lilly Canada Inc, University of Ottawa, Ottawa, ON, Canada
| | - Martin A Katzman
- START Clinic for the Mood and Anxiety Disorders, Toronto, University of Ottawa, Ottawa, ON, Canada
| | - Pierre Blier
- Mood Disorders Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, ON, Canada
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18
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Hache G, Guiard BP, Nguyen TH, Quesseveur G, Gardier AM, Peters D, Munro G, Coudoré F. Antinociceptive activity of the new triple reuptake inhibitor NS18283 in a mouse model of chemotherapy-induced neuropathic pain. Eur J Pain 2015; 19:322-33. [PMID: 25045036 DOI: 10.1002/ejp.550] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2014] [Indexed: 01/11/2023]
Abstract
BACKGROUND Chronic neuropathic pain can lead to anxiety and depression. Drugs that block reuptake of serotonin, norepinephrine and/or dopamine are widely used to treat depression, and have emerged as useful drugs in the treatment of neuropathic pain. This study compared the acute antinociceptive effects of NS18283, a novel triple monoamine reuptake inhibitor (MRI) with indatraline, venlafaxine and escitalopram in a mouse model of neuropathic pain. METHOD Neuropathic pain-like behaviours were induced in mice by repeated injections of oxaliplatin (OXA), and assessed using the von Frey hair test, the cold plate test and the thermal preference plate test. Anxio/depressive phenotype and antidepressant-like properties of compounds were assessed by the novelty suppressed feeding test and the tail suspension test, respectively. RESULTS In vivo microdialysis experiments showed that each MRI increased extracellular serotonin, norepinephrine and/or dopamine levels in the cingulate cortex, in agreement with their in vitro reuptake inhibitory properties. Indatraline (3 mg/kg) reversed the full repertoire of OXA-induced neuropathic hypersensitivity. NS18283 (10 mg/kg) reversed OXA-induced mechano-hypersensitivity and cold allodynia. Venlafaxine (16 mg/kg) and escitalopram (4 mg/kg) only reversed cold allodynia and mechano-hypersensitivity, respectively. All MRIs produced antidepressant-like activity in anxio/depressive phenotype of OXA mice. CONCLUSIONS Acute administration of drugs that enhance the activity of serotonin, norepinephrine and dopamine neurotransmission within nociceptive pathways may provide a broader spectrum of antinociception than dual or selective reuptake inhibitors in animal models of neuropathic pain. Whether similar observations would occur after repeated administration of such compounds in an attempt to simulate dosing in humans, or be compromised by dopaminergic-mediated adverse effects warrants further investigation.
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Affiliation(s)
- G Hache
- Faculty of Pharmacy, Paris Sud University, Châtenay-Malabry Cedex, France
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19
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Thomas SA. Neuromodulatory signaling in hippocampus-dependent memory retrieval. Hippocampus 2015; 25:415-31. [PMID: 25475876 DOI: 10.1002/hipo.22394] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/24/2014] [Indexed: 12/15/2022]
Abstract
Considerable advances have been made toward understanding the molecular signaling events that underlie memory acquisition and consolidation. In contrast, less is known about memory retrieval, despite its necessity for utilizing learned information. This review focuses on neuromodulatory and intracellular signaling events that underlie memory retrieval mediated by the hippocampus, for which the most information is currently available. Among neuromodulators, adrenergic signaling is required for the retrieval of various types of hippocampus-dependent memory. Although they contribute to acquisition and/or consolidation, cholinergic and dopaminergic signaling are generally not required for retrieval. Interestingly, while not required for retrieval, serotonergic and opioid signaling may actually constrain memory retrieval. Roles for histamine and non-opioid neuropeptides are currently unclear but possible. A critical effector of adrenergic signaling in retrieval is reduction of the slow afterhyperpolarization mediated by β1 receptors, cyclic AMP, protein kinase A, Epac, and possibly ERK. In contrast, stress and glucocorticoids impair retrieval by decreasing cyclic AMP, mediated in part by the activation of β2 -adrenergic receptors. Clinically, alterations in neuromodulatory signaling and in memory retrieval occur in Alzheimer's disease, Down syndrome, depression, and post-traumatic stress disorder, and recent evidence has begun to link changes in neuromodulatory signaling with effects on memory retrieval.
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Affiliation(s)
- Steven A Thomas
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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20
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Sharma H, Santra S, Dutta A. Triple reuptake inhibitors as potential next-generation antidepressants: a new hope? Future Med Chem 2015; 7:2385-406. [PMID: 26619226 PMCID: PMC4976848 DOI: 10.4155/fmc.15.134] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The current therapy for depression is less than ideal with remission rates of only 25-35% and a slow onset of action with other associated side effects. The persistence of anhedonia originating from depressed dopaminergic activity is one of the most treatment-resistant symptoms of depression. Therefore, it has been hypothesized that triple reuptake inhibitors (TRIs) with potency to block dopamine reuptake in addition to serotonin and norepinephrine transporters should produce higher efficacy. The current review comprehensively describes the development of TRIs and discusses the importance of evaluation of in vivo transporter occupancy of TRIs, which should correlate with efficacy in humans.
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Affiliation(s)
- Horrick Sharma
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Soumava Santra
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Aloke Dutta
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI 48202, USA
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21
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Les jonctions gap : une nouvelle cible thérapeutique pour le traitement des troubles dépressifs majeurs ? Rev Neurol (Paris) 2015; 171:762-7. [DOI: 10.1016/j.neurol.2015.07.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Revised: 07/08/2015] [Accepted: 07/16/2015] [Indexed: 01/04/2023]
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22
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Assessment of the Efficacy and Safety of BMS-820836 in Patients With Treatment-Resistant Major Depression: Results From 2 Randomized, Double-Blind Studies. J Clin Psychopharmacol 2015; 35:454-9. [PMID: 25961781 DOI: 10.1097/jcp.0000000000000335] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Two phase 2B, randomized, double-blind studies assessed the efficacy and safety of fixed or flexible dose of triple monoamine uptake inhibitor BMS-820836 in patients with treatment-resistant depression to demonstrate whether switching to BMS-820836 was superior to the continuation of standard antidepressant treatment. Patients with a history of inadequate response to 1 to 3 adequate trials of antidepressant therapies were prospectively treated with duloxetine 60 mg/d for 8 weeks (CN162-006) or duloxetine 60 mg/d or escitalopram 20 mg/d for 7 weeks (CN162-007). Inadequate responders were randomized to continue their prospective phase treatment or switch to flexible-dose (0.5-2 mg/d; CN162-006) or fixed-dose (0.25, 0.5, 1, or 2 mg/d; CN162-007) BMS-820836 for 6 weeks. The primary end point in both studies was mean change in Montgomery-Åsberg Depression Rating Scale (MADRS) total score from randomization to study end point. BMS-820836 flexible (0.5-2 mg/d) or fixed dose of 1 mg/d or greater showed efficacy similar to the continuation of antidepressant treatment, with no statistically significant or clinically meaningful differences. In the CN162-006 study, the adjusted mean (SE) change in MADRS total score was -8.7 (0.661) and -8.1 (0.656) for BMS-820836 and duloxetine, respectively (P = 0.526). In the CN162-007 study, the adjusted mean (SE) change in MADRS total score was -7.3 (0.830) and -6.6 (0.842) for BMS-820836 of 1 and 2 mg, respectively, and -6.9 (0.602) for the continuation group (P = 0.910). Thus, BMS-820836 was well tolerated, with no evidence of dose-dependent discontinuations due to adverse events, but it failed to demonstrate superiority to the continuation of an existing antidepressant in patients with treatment-resistant depression.
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Niederkofler V, Asher TE, Dymecki SM. Functional Interplay between Dopaminergic and Serotonergic Neuronal Systems during Development and Adulthood. ACS Chem Neurosci 2015; 6:1055-1070. [PMID: 25747116 DOI: 10.1021/acschemneuro.5b00021] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The complex integration of neurotransmitter signals in the nervous system contributes to the shaping of behavioral and emotional constitutions throughout development. Imbalance among these signals may result in pathological behaviors and psychiatric illnesses. Therefore, a better understanding of the interplay between neurotransmitter systems holds potential to facilitate therapeutic development. Of particular clinical interest are the dopaminergic and serotonergic systems, as both modulate a broad array of behaviors and emotions and have been implicated in a wide range of affective disorders. Here we review evidence speaking to an interaction between the dopaminergic and serotonergic neuronal systems across development. We highlight data stemming from developmental, functional, and clinical studies, reflecting the importance of this transmonoaminergic interplay.
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Affiliation(s)
- Vera Niederkofler
- Department of Genetics, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Tedi E. Asher
- Department of Genetics, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Susan M. Dymecki
- Department of Genetics, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
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Korte SM, Prins J, Krajnc AM, Hendriksen H, Oosting RS, Westphal KG, Korte-Bouws GA, Olivier B. The many different faces of major depression: It is time for personalized medicine. Eur J Pharmacol 2015; 753:88-104. [DOI: 10.1016/j.ejphar.2014.11.045] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 10/16/2014] [Accepted: 11/26/2014] [Indexed: 01/11/2023]
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Potential benefits of berberine in the management of perimenopausal syndrome. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:723093. [PMID: 25785174 PMCID: PMC4346702 DOI: 10.1155/2015/723093] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 01/28/2015] [Indexed: 12/20/2022]
Abstract
Cardiovascular diseases are one of the leading causes of morbidity and mortality in women after menopause and 56% of all causes of death in Western European countries. Nowadays, with increasing life span, women spend approximately one-third of their life-time in postmenopausal state; therefore, the development of new strategies to improve the prevention and treatment of menopause-associated pathologies is important topic in clinical practice. The studies to assess the safety of hormone replacement therapy in women with estrogen deficiency have not been conclusive due to the relative contraindications; therefore, hormone replacement therapy is prescribed only in selected cases and for a limited time. For this reason, today women are encouraged to use naturally available compounds to prevent or to attenuate menopausal symptoms and correlated pathologies, with fewer side effects. Among these compounds, berberine, an isoquinoline alkaloid derived from plants of the generis Berberis, has been recognized as being capable of decreasing oxidative stress, LDL, triglycerides, and insulin resistance and of improving the mood. This review describes the cellular and clinical effects associated with the use of berberine, which suggest that this molecule could be an effective natural supplement to ensure a smooth peri- and postmenopausal transition.
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Hou J, Xing Y, Zuo D, Wu Y, Tian J, Meng Q, Yang M. In vitro and in vivo characterization of PA01, a novel promising triple reuptake inhibitor. Physiol Behav 2015; 138:141-9. [DOI: 10.1016/j.physbeh.2014.10.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2014] [Revised: 06/14/2014] [Accepted: 10/09/2014] [Indexed: 12/13/2022]
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Dutta AK, Santra S, Sharma H, Voshavar C, Xu L, Mabrouk O, Antonio T, Reith MEA. Pharmacological and behavioral characterization of D-473, an orally active triple reuptake inhibitor targeting dopamine, serotonin and norepinephrine transporters. PLoS One 2014; 9:e113420. [PMID: 25427177 PMCID: PMC4245125 DOI: 10.1371/journal.pone.0113420] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 10/28/2014] [Indexed: 12/20/2022] Open
Abstract
Major depressive disorder (MDD) is a debilitating disease affecting a wide cross section of people around the world. The current therapy for depression is less than adequate and there is a considerable unmet need for more efficacious treatment. Dopamine has been shown to play a significant role in depression including production of anhedonia which has been one of the untreated symptoms in MDD. It has been hypothesized that drugs acting at all three monoamine transporters including dopamine transporter should provide more efficacious antidepressants activity. This has led to the development of triple reuptake inhibitor D-473 which is a novel pyran based molecule and interacts with all three monoamine transporters. The monoamine uptake inhibition activity in the cloned human transporters expressed in HEK-293 cells (70.4, 9.18 and 39.7 for DAT, SERT and NET, respectively) indicates a serotonin preferring triple reuptake inhibition profile for this drug. The drug D-473 exhibited good brain penetration and produced efficacious activity in rat forced swim test under oral administration. The optimal efficacy dose did not produce any locomotor activation. Microdialysis experiment demonstrated that systemic administration of D-473 elevated extracellular level of the three monoamines DA, 5-HT, and NE efficaciously in the dorsal lateral striatum (DLS) and the medial prefrontal cortex (mPFC) area, indicating in vivo blockade of all three monoamine transporters by D-473. Thus, the current biological data from D-473 indicate potent antidepressant activity of the molecule.
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Affiliation(s)
- Aloke K. Dutta
- Wayne State University, Department of Pharmaceutical Sciences, Detroit, MI, United States
- * E-mail:
| | - Soumava Santra
- Wayne State University, Department of Pharmaceutical Sciences, Detroit, MI, United States
| | - Horrick Sharma
- Wayne State University, Department of Pharmaceutical Sciences, Detroit, MI, United States
| | | | - Liping Xu
- Wayne State University, Department of Pharmaceutical Sciences, Detroit, MI, United States
| | - Omar Mabrouk
- University of Michigan, Department of Pharmacology and Chemistry, Ann Arbor, MI, United States
| | - Tamara Antonio
- New York University, Department of Psychiatry, New York, NY, United States
| | - Maarten E. A. Reith
- New York University, Department of Psychiatry, New York, NY, United States
- New York University, Department of Biochemistry and Molecular Pharmacology, New York, NY, United States
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Chopra K, Arora V. An intricate relationship between pain and depression: clinical correlates, coactivation factors and therapeutic targets. Expert Opin Ther Targets 2013; 18:159-76. [PMID: 24295272 DOI: 10.1517/14728222.2014.855720] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
INTRODUCTION An apparent clinical relationship between pain and depression has long been recognized, which makes an enormous impact on the individual health care. At present, the practical implication of such overlapping symptomatology between pain and depression is not clear, but the prevalence estimates for depression are substantially inflated among patients with chronic pain and vice versa. This interaction has been labeled as the depression-pain syndrome or depression-pain dyad. AREAS COVERED This article discusses the neurobiological substrates and neuroanatomical pathways involved in pain-depression dyad along with newer therapeutic targets. EXPERT OPINION Several key themes emerged from our review of the relationship between depression and pain. First, the diagnosis of depression in pain or vice versa is particularly challenging, and the development of better diagnostic framework that involves both pain and depression is particularly required. Secondly, the entwined relationship between pain and depression supports the possibility of common coactivating factors that results in their neurophysiological overlap. A broad understanding of the role played by the central nervous system (CNS) in the processing of pain and depression may eventually lead to the introduction of triple reuptake inhibitors, agomelatine, vilazodone and ketamine with novel mechanism of action, hence appear to be of promising potential for pain with depression.
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Affiliation(s)
- Kanwaljit Chopra
- Panjab University, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Study, Pharmacology Research Laboratory , Chandigarh-160 014 , India +91 172 2534105 ; +91 172 2541142 ;
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Possible involvement of oxido-nitrosative stress induced neuro-inflammatory cascade and monoaminergic pathway: underpinning the correlation between nociceptive and depressive behaviour in a rodent model. J Affect Disord 2013; 151:1041-52. [PMID: 24126118 DOI: 10.1016/j.jad.2013.08.032] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 08/21/2013] [Accepted: 08/24/2013] [Indexed: 11/21/2022]
Abstract
BACKGROUND Pain and depression are frequent co-morbid disorders. The prevalence rate of depression is several times higher in patients with chronic pain than in the general population but the mechanism underlying this association is unknown. A combination of interactions between neurotransmitters, neuropeptides, oxidative and nitrosative stress and cytokines are thought to take part in pathogenesis of pain as well as depression. Thus, the aim of the present study was two-fold, first to investigate the interplay between nociception and associated depression and second to investigate the protective potential of berberine against the reserpine-induced nociceptive and depressive behaviour and further to explore the role of oxidative-nitrosative stress mediated inflammatory cascade and apoptotic signalling pathway in this dyad. METHODS AND RESULTS Nociception and associated depression were induced by administration of reserpine (1mg/kg subcutaneous daily) for three consecutive days. This behavioural deficit was integrated with decrease in the biogenic amine (dopamine, norepinephrine and serotonin) levels along with increased substance P concentration, oxidative-nitrosative stress, inflammatory cytokines, NF-κβ and caspase-3 levels in different brain regions (cortex and hippocampus) of the reserpinised rats. LIMITATION More studies are still warranted in similar rodent models of pain and depression, so, that the present findings can be further substantiated to establish the clinical effectiveness of berberine in a subset of patients suffering from pain as well as depression. CONCLUSION The findings from the current study suggested that reserpine-induced neurochemical alterations and dysregulation of oxidative-nitrosative stress induced inflammatory cascade underlies the co-morbidity of nociceptive behaviour and associated depression in rats.
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Abstract
There are several investigational drugs in development for the treatment of depression. Some of the novel antidepressants in development target monoaminergic neurotransmission in accordance with the "monoamine hypothesis of depression." However, the current conceptualization of antidepressant actions is that it is the downstream effects on protein synthesis and neuroplasticity that account for therapeutic efficacy, rather than the immediate effects on synaptic monoamine levels. Thus, a number of novel agents in development directly target components of this "neuroplasticity hypothesis of depression," including hypothetically overactive glutamatergic neurotransmission and dysfunctional hypothalamic-pituitary-adrenal (HPA) axis functioning.
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Sharma H, Santra S, Debnath J, Antonio T, Reith M, Dutta A. Flexible and biomimetic analogs of triple uptake inhibitor 4-((((3S,6S)-6-benzhydryltetrahydro-2H-pyran-3-yl)amino)methyl)phenol: Synthesis, biological characterization, and development of a pharmacophore model. Bioorg Med Chem 2013; 22:311-24. [PMID: 24315194 DOI: 10.1016/j.bmc.2013.11.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2013] [Revised: 11/02/2013] [Accepted: 11/11/2013] [Indexed: 12/28/2022]
Abstract
In this study we have generated a pharmacophore model of triple uptake inhibitor compounds based on novel asymmetric pyran derivatives and the newly developed asymmetric furan derivatives. The model revealed features important for inhibitors to exhibit a balanced activity against dopamine transporter (DAT), serotonin transporter (SERT), and norepinephrine transporter (NET). In particular, a 'folded' conformation was found common to the active pyran compounds in the training set and was crucial to triple uptake inhibitory activity. Furthermore, the distances between the benzhydryl moiety and the N-benzyl group as well as the orientation of the secondary nitrogen were also important for TUI activity. We have validated our findings by synthesizing and testing novel asymmetric pyran analogs. The present work has also resulted in the discovery of a new series of asymmetric tetrahydrofuran derivatives as novel TUIs. Lead compounds 41 and 42 exhibited moderate TUI activity. Interestingly, the highest TUI activity by lead tetrahydrofuran compounds for example, 41 and 42, was exhibited in a stereochemical preference similar to pyran TUI for example, D-161.
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Affiliation(s)
- Horrick Sharma
- Wayne State University, Department of Pharmaceutical Sciences, Applebaum College of Pharmacy & Health Sciences, Rm# 3128, Detroit, MI 48202, United States
| | - Soumava Santra
- Wayne State University, Department of Pharmaceutical Sciences, Applebaum College of Pharmacy & Health Sciences, Rm# 3128, Detroit, MI 48202, United States
| | - Joy Debnath
- Wayne State University, Department of Pharmaceutical Sciences, Applebaum College of Pharmacy & Health Sciences, Rm# 3128, Detroit, MI 48202, United States
| | - Tamara Antonio
- New York University, Department of Psychiatry, New York, NY 10016, United States
| | - Maarten Reith
- New York University, Department of Psychiatry, New York, NY 10016, United States; New York University, Department of Pharmacology, New York, NY 10016, United States
| | - Aloke Dutta
- Wayne State University, Department of Pharmaceutical Sciences, Applebaum College of Pharmacy & Health Sciences, Rm# 3128, Detroit, MI 48202, United States.
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A combined α7 nicotinic acetylcholine receptor agonist and monoamine reuptake inhibitor, NS9775, represents a novel profile with potential benefits in emotional and cognitive disturbances. Neuropharmacology 2013; 73:183-91. [DOI: 10.1016/j.neuropharm.2013.04.060] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 04/25/2013] [Accepted: 04/28/2013] [Indexed: 12/23/2022]
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Korostynski M, Piechota M, Dzbek J, Mlynarski W, Szklarczyk K, Ziolkowska B, Przewlocki R. Novel drug-regulated transcriptional networks in brain reveal pharmacological properties of psychotropic drugs. BMC Genomics 2013; 14:606. [PMID: 24010892 PMCID: PMC3844597 DOI: 10.1186/1471-2164-14-606] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 08/29/2013] [Indexed: 01/05/2023] Open
Abstract
Background Despite their widespread use, the biological mechanisms underlying the efficacy of psychotropic drugs are still incompletely known; improved understanding of these is essential for development of novel more effective drugs and rational design of therapy. Given the large number of psychotropic drugs available and their differential pharmacological effects, it would be important to establish specific predictors of response to various classes of drugs. Results To identify the molecular mechanisms that may initiate therapeutic effects, whole-genome expression profiling (using 324 Illumina Mouse WG-6 microarrays) of drug-induced alterations in the mouse brain was undertaken, with a focus on the time-course (1, 2, 4 and 8 h) of gene expression changes produced by eighteen major psychotropic drugs: antidepressants, antipsychotics, anxiolytics, psychostimulants and opioids. The resulting database is freely accessible at http://www.genes2mind.org. Bioinformatics approaches led to the identification of three main drug-responsive genomic networks and indicated neurobiological pathways that mediate the alterations in transcription. Each tested psychotropic drug was characterized by a unique gene network expression profile related to its neuropharmacological properties. Functional links that connect expression of the networks to the development of neuronal adaptations (MAPK signaling pathway), control of brain metabolism (adipocytokine pathway), and organization of cell projections (mTOR pathway) were found. Conclusions The comparison of gene expression alterations between various drugs opened a new means to classify the different psychoactive compounds and to predict their cellular targets; this is well exemplified in the case of tianeptine, an antidepressant with unknown mechanisms of action. This work represents the first proof-of-concept study of a molecular classification of psychoactive drugs.
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Affiliation(s)
- Michal Korostynski
- Department of Molecular Neuropharmacology, Institute of Pharmacology Polish Academy of Sciences, Smętna 12, PL 31-343, Kraków, Poland.
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Fang X, Guo L, Jia J, Jin GZ, Zhao B, Zheng YY, Li JQ, Zhang A, Zhen XC. SKF83959 is a novel triple reuptake inhibitor that elicits anti-depressant activity. Acta Pharmacol Sin 2013; 34:1149-55. [PMID: 23892272 DOI: 10.1038/aps.2013.66] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 04/22/2013] [Indexed: 01/22/2023] Open
Abstract
AIM SKF83959 (3-methyl-6-chloro-7,8-hydroxy-1-(3-methylphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepine) is an atypical dopamine receptor-1 (D1 receptor) agonist, which exhibits many D1 receptor-independent effects. In the present work, we examined the effects of SKF83959 on monoaminergic transporters in vitro and its anti-depressant activity in vivo. METHODS Human serotonin transporter (SERT), norepinephrine transporters (NET) or dopamine transporters (DAT) were stably expressed in CHO cells. The uptake kinetics of SERT, NET, and DAT were examined using [(3)H]-serotonin, [(3)H]-norepinephrine or [(3)H]-dopamine, respectively. A triple reuptake inhibitor DOV21947 was used as the positive control. Tail suspension test and forced swimming test were conducted in mice. SKF83959 or DOV21947 (2-8 mg/kg) were intraperitoneally injected 30 min before the tests. RESULTS SKF83959 was a competitive inhibitor of SERT (K(i)=1.43±0.45 μmol/L), but a noncompetitive inhibitor of NET (K(i)=0.60±0.07 μmol/L) and DAT (K(i)=9.01±0.80 μmol/L). In contrast, DOV21947 was a competitive inhibitor of SERT (K(i)=0.89±0.24 μmol/L) and DAT (K(i)=1.47±0.31 μmol/L) and a noncompetitive inhibitor of NET (K(i)=0.18±0.04 μmol/L). In mice, both SKF83959 and DOV21947 elicited anti-depressant activity in a dose-dependent manner. CONCLUSION SKF83959 functions as a novel triple reuptake inhibitor in vitro and exerts anti-depressant effects in vivo.
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Tsen P, El Mansari M, Blier P. Effects of repeated electroconvulsive shocks on catecholamine systems: Electrophysiological studies in the rat brain. Synapse 2013; 67:716-27. [DOI: 10.1002/syn.21685] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 05/21/2013] [Indexed: 11/07/2022]
Affiliation(s)
| | - Mostafa El Mansari
- Institute of Mental Health Research, University of Ottawa; Ottawa; Ontario; K1Z 7K4; Canada
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Franco-Chaves JA, Mateus CF, Luckenbaugh DA, Martinez PE, Mallinger AG, Zarate CA. Combining a dopamine agonist and selective serotonin reuptake inhibitor for the treatment of depression: a double-blind, randomized pilot study. J Affect Disord 2013; 149:319-25. [PMID: 23517885 PMCID: PMC3672377 DOI: 10.1016/j.jad.2013.02.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 02/02/2013] [Indexed: 01/11/2023]
Abstract
BACKGROUND Antidepressants that act on two or more amine neurotransmitters may confer higher remission rates when first-line agents affecting a single neurotransmitter have failed. Pramipexole, a dopamine agonist, has antidepressant effects in patients with major depressive disorder (MDD). This pilot study examined the efficacy and safety of combination therapy with pramipexole and the selective serotonin reuptake inhibitor (SSRI) escitalopram in MDD. METHODS In this double-blind, controlled, pilot study, 39 patients with DSM-IV MDD who had failed to respond to a standard antidepressant treatment trial were randomized to receive pramipexole (n=13), escitalopram (n=13), or their combination (n=13) for six weeks. Pramipexole was started at 0.375 mg/day and titrated weekly up to 2.25 mg/day; escitalopram dosage remained at 10 mg/day. The primary outcome measure was the Montgomery-Asberg Depression Rating Scale (MADRS). RESULTS Subjects receiving pramipexole monotherapy had significantly lower MADRS scores than the combination group (p=0.01); no other primary drug comparisons were significant. The combination group had a substantially higher dropout rate than the escitalopram and pramipexole groups (69%, 15%, 15%, respectively). Only 15% of patients in the combination group tolerated regularly scheduled increases of pramipexole throughout the study, compared with 46% of patients in the pramipexole group. LIMITATIONS Group size was small and the treatment phase lasted for only six weeks. CONCLUSIONS The combination of an SSRI and a dopamine agonist was not more effective than either agent alone, nor did it produce a more rapid onset of antidepressant action. Combination therapy with escitalopram and pramipexole may not be well-tolerated.
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Affiliation(s)
- Jose A. Franco-Chaves
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
| | - Camilo F. Mateus
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
| | - David A. Luckenbaugh
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
| | - Pedro E. Martinez
- Behavioral Endocrinology, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
| | - Alan G. Mallinger
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
- Office of Inspector General, Department of Veterans Affairs, Washington, District of Columbia, USA
| | - Carlos A. Zarate
- Experimental Therapeutics and Pathophysiology Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
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Mitic M, Simic I, Djordjevic J, Radojcic MB, Adzic M. Gender-specific effects of fluoxetine on hippocampal glucocorticoid receptor phosphorylation and behavior in chronically stressed rats. Neuropharmacology 2013; 70:100-11. [PMID: 23353902 DOI: 10.1016/j.neuropharm.2012.12.012] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2012] [Revised: 12/10/2012] [Accepted: 12/22/2012] [Indexed: 12/13/2022]
Abstract
Chronic psychosocial isolation stress (CPSI) modulates glucocorticoid receptor (GR) functioning in Wistar male rat hippocampus (HIPPO) through alteration of nuclear GR phosphorylation and its upstream kinases signaling, which parallels animal depressive-like behavior. The current study investigated potential gender specificities regarding the effect of chronic therapy by an antidepressant fluoxetine (FLU) on GR signaling in HIPPO and depressive-like behavior in CPSI animals. FLU was administrated to female and male naïve or CPSI rats for 21 days and GR protein, its phosphorylation status and upstream kinases, as well as GR and BDNF mRNA were followed in HIPPO together with animal serum corticosterone (CORT) and depressive-like behavior. The results showed that CPSI increased immobility in males versus hyperactivity in females and disrupted nuclear pGR232-Cdk5 pathway and JNK signaling in a gender-specific way. In contrast, in both genders CPSI increased the nuclear levels of GR and pGR246 but decreased CORT and mRNA levels of GR and BDNF. Concomitant FLU normalized the depressive-like behavior and altered the nuclear pGR232-Cdk5 signaling in a gender-specific manner. In both females and males, FLU reversed the nuclear levels of GR and pGR246 without affecting CORT and GR mRNA levels. In contrast, FLU exhibited gender-specific effect on BDNF mRNA in CPSI animals, by increasing it in females, but not in males. In spite of normalization the total nuclear GR level upon FLU treatment in both gender, down-regulation of GR mRNA is possibly maintained through prevalence of pGR232 isoform only in males. The gender-specific alterations of pGR232-Cdk5 signaling and BDNF gene expression in HIPPO and normalization of depressive-like behavior upon FLU treatment distinguishes this signaling pathway as potential future antidepressant target for gender-specific therapy of stress related mood disorders.
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Affiliation(s)
- Milos Mitic
- Laboratory for Molecular Biology and Endocrinology, VINCA Institute of Nuclear Sciences, University of Belgrade, PO Box-522-MBE090, 11001 Belgrade, Serbia
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Prins J, Kenny PJ, Doomernik I, Schreiber R, Olivier B, Mechiel Korte S. The triple reuptake inhibitor DOV 216,303 induces long-lasting enhancement of brain reward activity as measured by intracranial self-stimulation in rats. Eur J Pharmacol 2012; 693:51-6. [DOI: 10.1016/j.ejphar.2012.07.047] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Revised: 07/09/2012] [Accepted: 07/27/2012] [Indexed: 01/11/2023]
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Zhang YJ, Huang W, Huang X, Wang Y, Wang Z, Wang C, Zhong BW, Sheng CX, Wang B, Zhang SF, Su NX, Liu ZQ, Zhou HH, Ren P. Fructus Aurantii induced antidepressant effect via its monoaminergic mechanism and prokinetic action in rat. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2012; 19:1101-1107. [PMID: 22770641 DOI: 10.1016/j.phymed.2012.05.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Revised: 04/12/2012] [Accepted: 05/29/2012] [Indexed: 06/01/2023]
Abstract
Depression could hardly get a satisfactory effect from the currently available antidepressants. To get a more effective treatment, antidepressant effect and monoaminergic mechanism of Fructus Aurantii (FRA) in the rat forced swimming test (FST) and open field test (OFT), and its prokinetics were examined. FST and OFT were respectively used to evaluate the antidepressant effect and locomotor activity of FRA. We observed the effects of monoamine receptor antagonists on FRA-induced antidepressant effect in rat. The effects of FRA on intestinal transit, gastric emptying and in vitro jejunum contractile activity were assessed. FRA decreased significantly the immobility time (32.6±8.5, 30.3±5.2 vs 56.4±9.4, all p<0.01) in FST, dose-dependent increased the locomotor activity (102±17.5, 120±18.5 vs 89±9.8, p<0.05 or 0.01), significantly accelerated gastric emptying (GE: 48.1±6.3, 39.5±5.7 vs 19.5±3.8, p<0.01) and intestinal transit (IT: 67.3±9.1, 64.2±6.3 vs 49.1±8.2, p<0.01) of the semi-liquid meal, compared with vehicle. And FRA (1 μM, 10 μM) significantly increased the mean amplitude (0.24±0.021 and 0.281±0.015) of contraction in jejunum of rat compared with vehicle (0.149±0.011) in vitro. FRA (10 μM) could induce a largest amplitude (0.281±0.015) of contraction in jejunum. The anti-immobility effect of FRA in FST was prevented by pre-treatment of rat with p-chlorophenylalanine methyl ester, WAY100635, ketanserin, haloperidol, SCH233390, sulpiride, yohimbine, but not prazosin. FRA could simultaneously induce prokinetics and antidepressant effect, deserves further to investigate.
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Affiliation(s)
- Ying-Jin Zhang
- Laboratory of Ethnopharmacology, Institute of Integrated Traditional Medicine and Western Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
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Quesseveur G, Nguyen HT, Gardier AM, Guiard BP. 5-HT2 ligands in the treatment of anxiety and depression. Expert Opin Investig Drugs 2012; 21:1701-25. [PMID: 22917059 DOI: 10.1517/13543784.2012.719872] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION One third of depressed patients do not respond adequately to conventional antidepressants including the selective serotonin reuptake inhibitors (SSRIs). Therefore, multi-target drugs or augmentation strategies have been developed for the management of SSRIs-resistant patients. In this context, the 5-HT(2) receptor subtypes represent promising targets but their precise roles have yet to be determined. AREAS COVERED The aim of this review is to shed some light on the preclinical evidence supporting the use of 5-HT(2A) and/or 5-HT(2C) receptor antagonists such as antipsychotics, as potential effective adjuncts in SSRIs-resistant depression. This review synthesizes the current literature about the behavioral, electrophysiological and neurochemical effects of 5-HT(2) receptors ligands on the monoaminergic systems but also on adult hippocampal neurogenesis. EXPERT OPINION Although studies support the hypothesis that the inactivation of 5-HT(2A) and/or 5-HT(2C) receptors might be of interest to reinforce different facets of the therapeutic activity of SSRIs, this pharmacological strategy remains debatable notably because of the lack of chronic data in relevant animal models. Conversely, emerging evidence suggests that the activation of 5-HT(2B) receptor is required for antidepressant-like activity, opening the way to new therapeutic approaches. However, the potential risks related to the enhancement of monoaminergic neurotransmissions could represent a major concern.
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Affiliation(s)
- Gaël Quesseveur
- EA3544 University Paris-XI, Laboratoire de Neuropharmacologie, Fac. Pharmacie, F-92296, Châtenay-Malabry cedex, France
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Lesemann A, Reinel C, Hühnchen P, Pilhatsch M, Hellweg R, Klaissle P, Winter C, Steiner B. MPTP-induced hippocampal effects on serotonin, dopamine, neurotrophins, adult neurogenesis and depression-like behavior are partially influenced by fluoxetine in adult mice. Brain Res 2012; 1457:51-69. [DOI: 10.1016/j.brainres.2012.03.046] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Revised: 02/27/2012] [Accepted: 03/20/2012] [Indexed: 12/20/2022]
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42
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Rizvi SJ, Kennedy SH. Emerging drugs for major depressive disorder: an update. Expert Opin Emerg Drugs 2012; 17:285-94. [DOI: 10.1517/14728214.2012.681301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Efficacy and tolerability of the novel triple reuptake inhibitor amitifadine in the treatment of patients with major depressive disorder: a randomized, double-blind, placebo-controlled trial. J Psychiatr Res 2012; 46:64-71. [PMID: 21925682 DOI: 10.1016/j.jpsychires.2011.09.003] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2011] [Revised: 09/01/2011] [Accepted: 09/01/2011] [Indexed: 12/28/2022]
Abstract
Amitifadine (EB-1010, formerly DOV 21,947) is a serotonin-preferring triple reuptake inhibitor with a relative potency to inhibit serotonin, norepinephrine, and dopamine uptake of ∼1:2:8, respectively. This 6-week, multicenter, randomized, double-blind, parallel, placebo-controlled study evaluated the efficacy and tolerability of amitifadine in 63 patients with major depressive disorder. Eligible patients (17-item Hamilton Depression Rating Scale [HAMD-17] ≥ 22 at baseline) were randomized to amitifadine 25 mg twice daily (BID) for 2 weeks, then 50 mg BID for 4 weeks or placebo. Mean baseline scores in the modified intent-to-treat population (n = 56) were 31.4 for the Montgomery-Åsberg Depression Rating Scale (MADRS), 29.6 for the HAMD-17, and 25.4 for the Derogatis Interview for Sexual Functioning - Self Report (DISF-SR). At the end of the 6-week double-blind treatment, estimated least squares mean change from baseline (mixed-model repeated measures [MMRM]) in MADRS total score was statistically significantly superior for amitifadine compared to placebo (18.2 vs. 22.0; p = 0.028), with an overall statistical effect size of -0.601 (Cohen's d). Amitifadine also was statistically significantly superior to placebo (p = 0.03) for the Clinical Global Impression of Change - Improvement. An anhedonia factor score grouping of MADRS Items 1 (apparent sadness), 2 (reported sadness), 6 (concentration difficulties), 7 (lassitude), and 8 (inability to feel) demonstrated a statistically significant difference in favor of amitifadine compared to placebo (p = 0.049). No differences were observed between treatments in DISF-SR scores. Amitifadine was well-tolerated. Two patients on each treatment discontinued the study early due to adverse events; however, no serious adverse events were reported. This initial clinical trial in patients with severe major depression demonstrated significant antidepressant activity with amitifadine, including attenuating symptoms of anhedonia, and a tolerability profile that was comparable to placebo. The efficacy and tolerability of amitifadine for major depressive disorder are being investigated in additional clinical trials.
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Effect of enhanced voluntary physical exercise on brain levels of monoamines in Huntington disease mice. PLOS CURRENTS 2011; 3:RRN1281. [PMID: 22266953 PMCID: PMC3208413 DOI: 10.1371/currents.rrn1281] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 11/04/2011] [Indexed: 01/15/2023]
Abstract
Using the R6/1 mouse model of Huntington disease (HD), we have recently shown that voluntary physical activity was able to correct the depressive-like behaviours exhibited by the HD animals at a pre-motor symptomatic stage of the disease. Using the high performance liquid chromatography system, we have now evaluated the effect of exercise on monoamine metabolism in HD mice. We found that serotonin and its metabolite as well as dopamine and noradrenaline were reduced across several brain regions in female R6/1 animals. Our data also suggest that some of these neurochemical deficits were modulated by physical activity, in a genotype-region dependent manner. These newly identified changes could account for some of the behavioural effects of exercise previously reported in HD mice.
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Rizvi SJ, Kennedy SH. The keys to improving depression outcomes. Eur Neuropsychopharmacol 2011; 21 Suppl 4:S694-702. [PMID: 21924209 DOI: 10.1016/j.euroneuro.2011.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 06/27/2011] [Accepted: 07/04/2011] [Indexed: 01/28/2023]
Abstract
The heterogeneity of symptoms within major depressive disorder poses significant challenges for treatment and it is likely that current pharmacotherapies do not target all symptoms equally, although they have similar efficacy rates. While there is still continuing interest in understanding monoamine interactions and consequent downstream effects, the limited efficacy and tolerability achieved with classical antidepressants provides a compelling argument to move beyond the monoamines. Several lines of biological research in depression exploring immune function, neurotrophins, amino acid and neuropeptide neurotransmitters, neuroanatomical function and circadian rhythms, may lead to novel therapeutic targets and enhance depression outcomes. This review will evaluate the evidence for emerging treatments as well as recommendations from current international guidelines regarding antidepressant management.
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Affiliation(s)
- Sakina J Rizvi
- Department of Pharmaceutical Sciences and Neuroscience, University of Toronto, Toronto, Ontario Canada
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46
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Prins J, Olivier B, Korte SM. Triple reuptake inhibitors for treating subtypes of major depressive disorder: the monoamine hypothesis revisited. Expert Opin Investig Drugs 2011; 20:1107-30. [DOI: 10.1517/13543784.2011.594039] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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47
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Felton CM, Johnson CM. Modulation of dopamine-dependent behaviors by the Caenorhabditis elegans Olig homolog HLH-17. J Neurosci Res 2011; 89:1627-36. [DOI: 10.1002/jnr.22694] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2010] [Revised: 04/12/2011] [Accepted: 04/15/2011] [Indexed: 11/08/2022]
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Buyukdura JS, McClintock SM, Croarkin PE. Psychomotor retardation in depression: biological underpinnings, measurement, and treatment. Prog Neuropsychopharmacol Biol Psychiatry 2011; 35:395-409. [PMID: 21044654 PMCID: PMC3646325 DOI: 10.1016/j.pnpbp.2010.10.019] [Citation(s) in RCA: 217] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Revised: 10/05/2010] [Accepted: 10/25/2010] [Indexed: 01/09/2023]
Abstract
Psychomotor retardation is a long established component of depression that can have significant clinical and therapeutic implications for treatment. Due to its negative impact on overall function in depressed patients, we review its biological correlates, optimal methods of measurement, and relevance in the context of therapeutic interventions. The aim of the paper is to provide a synthesis of the literature on psychomotor retardation in depression with the goal of enhanced awareness for clinicians and researchers. Increased knowledge and understanding of psychomotor retardation in major depressive disorder may lead to further research and better informed diagnosis in regards to psychomotor retardation. Manifestations of psychomotor retardation include slowed speech, decreased movement, and impaired cognitive function. It is common in patients with melancholic depression and those with psychotic features. Biological correlates may include abnormalities in the basal ganglia and dopaminergic pathways. Neurophysiologic tools such as neuroimaging and transcranial magnetic stimulation may play a role in the study of this symptom in the future. At present, there are three objective scales to evaluate psychomotor retardation severity. Studies examining the impact of psychomotor retardation on clinical outcome have found differential results. However, available evidence suggests that depressed patients with psychomotor retardation may respond well to electroconvulsive therapy (ECT). Current literature regarding antidepressants is inconclusive, though tricyclic antidepressants may be considered for treatment of patients with psychomotor retardation. Future work examining this objective aspect of major depressive disorder (MDD) is essential. This could further elucidate the biological underpinnings of depression and optimize its treatment.
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Affiliation(s)
- Jeylan S. Buyukdura
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Shawn M. McClintock
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Division of Brain Stimulation and Therapeutic Modulation, Department of Psychiatry, New York State Psychiatric Institute, Columbia University, New York, New York, USA
| | - Paul E. Croarkin
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Haenisch B, Bönisch H. Depression and antidepressants: Insights from knockout of dopamine, serotonin or noradrenaline re-uptake transporters. Pharmacol Ther 2011; 129:352-68. [DOI: 10.1016/j.pharmthera.2010.12.002] [Citation(s) in RCA: 143] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2010] [Accepted: 11/29/2010] [Indexed: 12/15/2022]
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Hache G, Coudore F, Gardier AM, Guiard BP. Monoaminergic Antidepressants in the Relief of Pain: Potential Therapeutic Utility of Triple Reuptake Inhibitors (TRIs). Pharmaceuticals (Basel) 2011. [PMCID: PMC4053958 DOI: 10.3390/ph4020285] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Over 75% of depressed patients suffer from painful symptoms predicting a greater severity and a less favorable outcome of depression. Imaging, anatomical and functional studies have demonstrated the existence of common brain structures, neuronal pathways and neurotransmitters in depression and pain. In particular, the ascending serotonergic and noradrenergic pathways originating from the raphe nuclei and the locus coeruleus; respectively, send projections to the limbic system. Such pathways control many of the psychological functions that are disturbed in depression and in the perception of pain. On the other hand, the descending pathways, from monoaminergic nuclei to the spinal cord, are specifically implicated in the inhibition of nociception providing rationale for the use of serotonin (5-HT) and/or norepinephrine (NE) reuptake inhibitors (SSRIs, NRIs, SNRIs), in the relief of pain. Compelling evidence suggests that dopamine (DA) is also involved in the pathophysiology and treatment of depression. Indeed, recent insights have demonstrated a central role for DA in analgesia through an action at both the spinal and suprasinal levels including brain regions such as the periaqueductal grey (PAG), the thalamus, the basal ganglia and the limbic system. In this context, dopaminergic antidepressants (i.e., containing dopaminergic activity), such as bupropion, nomifensine and more recently triple reuptake inhibitors (TRIs), might represent new promising therapeutic tools in the treatment of painful symptoms with depression. Nevertheless, whether the addition of the dopaminergic component produces more robust effects than single- or dual-acting agents, has yet to be demonstrated. This article reviews the main pathways regulating pain transmission in relation with the monoaminergic systems. It then focuses on the current knowledge regarding the in vivo pharmacological properties and mechanism of action of monoaminergic antidepressants including SSRIs, NRIs, SNRIs and TRIs. Finally, a synthesis of the preclinical studies supporting the efficacy of these antidepressants in analgesia is also addressed in order to highlight the relative contribution of 5-HT, NE and DA to nociception.
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Affiliation(s)
- Guillaume Hache
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: 011-331-46-83-53-61
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