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Chauhan S, Barbanta A, Ettinger U, Kumari V. Pineal Abnormalities in Psychosis and Mood Disorders: A Systematic Review. Brain Sci 2023; 13:brainsci13050827. [PMID: 37239299 DOI: 10.3390/brainsci13050827] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
The pineal gland (PG) is a small interhemispheric brain structure that influences human physiology in many ways, most importantly via secretion of the hormone melatonin which is known to regulate sleep and wakefulness. Here, we systematically reviewed existing neuroimaging studies of PG structure, and/or melatonin release (MLT) in psychosis and mood disorders. Medline, PubMed, and Web of Science databases were searched (on 3 February 2023), yielding 36 studies (8 PG volume, 24 MLT). The findings showed smaller-than-normal PG volume in people with schizophrenia, regardless of symptom severity and illness stage; and smaller-than-normal PG volume in major depression, with some indication of this being present only in certain subgroups, or in those with high scores on the 'loss of interest' symptom. There was considerable evidence of lower-than-normal MLT as well as aberrant MLT secretion pattern in schizophrenia. A similar picture, though less consistent than that seen in schizophrenia, emerged in major depression and bipolar disorder, with some evidence of a transient lowering of MLT following the initiation of certain antidepressants in drug-withdrawn patients. Overall, PG and MLT aberrations appear to represent transdiagnostic biomarkers for psychosis and mood disorders, but further work is needed to establish their clinical correlates and treatment implications.
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Affiliation(s)
- Satyam Chauhan
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK
| | - Andrei Barbanta
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK
| | - Ulrich Ettinger
- Department of Psychology, University of Bonn, 53111 Bonn, Germany
| | - Veena Kumari
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK
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2
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Preparation of melatonin novel-mucoadhesive nanoemulsion used in the treatment of depression. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04436-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Tonon AC, Pilz LK, Markus RP, Hidalgo MP, Elisabetsky E. Melatonin and Depression: A Translational Perspective From Animal Models to Clinical Studies. Front Psychiatry 2021; 12:638981. [PMID: 33897495 PMCID: PMC8060443 DOI: 10.3389/fpsyt.2021.638981] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 03/15/2021] [Indexed: 12/13/2022] Open
Abstract
Daily rhythm of melatonin synchronizes the body to the light/dark environmental cycle. Several hypotheses have been raised to understand the intersections between melatonin and depression, in which changes in rest-activity and sleep patterns are prominent. This review describes key experimental and clinical evidence that link melatonin with the etiopathology and symptomatology of depressive states, its role in the follow up of therapeutic response to antidepressants, as well as the clinical evidence of melatonin as MDD treatment. Melatonin, as an internal temporal cue contributing to circadian organization and best studied in the context of circadian misalignment, is also implicated in neuroplasticity. The monoaminergic systems that underly MDD and melatonin production overlap. In addition, the urinary metabolite 6-sulfatoxymelatonin (aMT6) has been proposed as biomarker for antidepressant responders, by revealing whether the blockage of noradrenaline uptake has taken place within 24 h from the first antidepressant dose. Even though animal models show benefits from melatonin supplementation on depressive-like behavior, clinical evidence is inconsistent vis-à-vis prophylactic or therapeutic benefits of melatonin or melatonin agonists in depression. We argue that the study of melatonin in MDD or other psychiatric disorders must take into account the specificities of melatonin as an integrating molecule, inextricably linked to entrainment, metabolism, immunity, neurotransmission, and cell homeostasis.
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Affiliation(s)
- André C. Tonon
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Graduate Program in Psychiatry and Behavioral Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Luísa K. Pilz
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Graduate Program in Psychiatry and Behavioral Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Regina P. Markus
- Laboratório de Cronofarmacologia, Departamento de Fisiologia, Instituto de Biociência, Universidade de São Paulo, São Paulo, Brazil
| | - Maria Paz Hidalgo
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Graduate Program in Psychiatry and Behavioral Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Elaine Elisabetsky
- Programa de Pós-Graduação em Ciências Biológicas-Bioquímica, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Kirlioglu SS, Balcioglu YH. Chronobiology Revisited in Psychiatric Disorders: From a Translational Perspective. Psychiatry Investig 2020; 17:725-743. [PMID: 32750762 PMCID: PMC7449842 DOI: 10.30773/pi.2020.0129] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/15/2020] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Several lines of evidence support a relationship between circadian rhythms disruption in the onset, course, and maintenance of mental disorders. Despite the study of circadian phenotypes promising a decent understanding of the pathophysiologic or etiologic mechanisms of psychiatric entities, several questions still need to be addressed. In this review, we aimed to synthesize the literature investigating chronobiologic theories and their associations with psychiatric entities. METHODS The Medline, Embase, PsycInfo, and Scopus databases were comprehensively and systematically searched and articles published between January 1990 and October 2019 were reviewed. Different combinations of the relevant keywords were polled. We first introduced molecular elements and mechanisms of the circadian system to promote a better understanding of the chronobiologic implications of mental disorders. Then, we comprehensively and systematically reviewed circadian system studies in mood disorders, schizophrenia, and anxiety disorders. RESULTS Although subject characteristics and study designs vary across studies, current research has demonstrated that circadian pathologies, including genetic and neurohumoral alterations, represent the neural substrates of the pathophysiology of many psychiatric disorders. Impaired HPA-axis function-related glucocorticoid rhythm and disrupted melatonin homeostasis have been prominently demonstrated in schizophrenia and other psychotic disorders, while alterations of molecular expressions of circadian rhythm genes including CLOCK, PER, and CRY have been reported to be involved in the pathogenesis of mood disorders. CONCLUSION Further translational work is needed to identify the causal relationship between circadian physiology abnormalities and mental disorders and related psychopathology, and to develop sound pharmacologic interventions.
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Affiliation(s)
- Simge Seren Kirlioglu
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul, Turkey
| | - Yasin Hasan Balcioglu
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul, Turkey
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Eapen PM, Rao CM, Nampoothiri M. Crosstalk between neurokinin receptor signaling and neuroinflammation in neurological disorders. Rev Neurosci 2019; 30:233-243. [PMID: 30260793 DOI: 10.1515/revneuro-2018-0021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 07/07/2018] [Indexed: 12/31/2022]
Abstract
The neurokinin 1 receptor with the natural substrate substance P is one of the intensely studied receptors among the neurokinin receptors. The intracellular signaling mechanism uses G protein-coupled transduction regulating various physiological processes from nausea to Alzheimer's disease. The neurokinin 1 receptor plays a significant role in neuroinflammation-mediated alterations in neural circuitry. Neurokinin 1 receptor antagonists are selective, potent and exhibited efficacy in animal models of nervous system disorders. Evolving data now strengthen the viewpoint of brain substance P/neurokinin 1 receptor axis-mediated action in neural circuit dysfunction. Thus, a deep-rooted analysis of disease mechanism in which the neurokinin 1 receptor is involved is necessary for augmenting disease models which encourage the pharmaceutical industry to intensify the research pipeline. This review is an attempt to outline the concept of neurokinin 1 receptor signaling interlinked to the brain innate immune system. We also uncover the mechanisms of the neurokinin 1 receptor involved in neurological disorder and various methods of modulating the neurokinin 1 receptor, which may result in therapeutic action.
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Affiliation(s)
- Prasanth M Eapen
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Chamallamudi Mallikarjuna Rao
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
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Hao J, Fan W, Li Y, Tang R, Tian C, Yang Q, Zhu T, Diao C, Hu S, Chen M, Guo P, Long Q, Zhang C, Qin G, Yu W, Chen M, Li L, Qin L, Wang J, Zhang X, Ren Y, Zhou P, Zou L, Jiang K, Guo W, Deng W. Melatonin synergizes BRAF-targeting agent vemurafenib in melanoma treatment by inhibiting iNOS/hTERT signaling and cancer-stem cell traits. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:48. [PMID: 30717768 PMCID: PMC6360719 DOI: 10.1186/s13046-019-1036-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 01/13/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND As the selective inhibitor of BRAF kinase, vemurafenib exhibits effective antitumor activities in patients with V600 BRAF mutant melanomas. However, acquired drug resistance invariably develops after its initial treatment. METHODS Immunohistochemical staining was performed to detect the expression of iNOS and hTERT, p-p65, Epcam, CD44, PCNA in mice with melanoma xenografts. The proliferation and migration of melanoma cells were detected by MTT, tumorsphere culture, cell cycle, cell apoptosis, AO/EB assay and colony formation, transwell assay and scratch assay in vitro, and tumor growth differences were observed in xenograft nude mice. Changes in the expression of key molecules in the iNOS/hTERT signaling pathways were detected by western blot. Nucleus-cytoplasm separation, and immunofluorescence analyses were conducted to explore the location of p50/p65 in melanoma cell lines. Flow cytometry assay were performed to determine the expression of CD44. Pull down assay and ChIP assay were performed to detect the binding ability of p65 at iNOS and hTERT promoters. Additionally, hTERT promoter-driven luciferase plasmids were transfected in to melanoma cells with indicated treatment to determine luciferase activity of hTERT. RESULTS Melatonin significantly and synergistically enhanced vemurafenib-mediated inhibitions of proliferation, colony formation, migration and invasion and promoted vemurafenib-induced apoptosis, cell cycle arresting and stemness weakening in melanoma cells. Further mechanism study revealed that melatonin enhanced the antitumor effect of vemurafenib by abrogating nucleus translocation of NF-κB p50/p65 and their binding at iNOS and hTERT promoters, thereby suppressing the expression of iNOS and hTERT. The elevated anti-tumor capacity of vemurafenib upon co-treatment with melatonin was also evaluated and confirmed in mice with melanoma xenografts. CONCLUSIONS Collectively, our results demonstrate melatonin synergizes the antitumor effect of vemurafenib in human melanoma by inhibiting cell proliferation and cancer-stem cell traits via targeting NF-κB/iNOS/hTERT signaling pathway, and suggest the potential of melatonin in antagonizing the toxicity of vemurafenib and augmenting its sensitivities in melanoma treatment.
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Affiliation(s)
- Jiaojiao Hao
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Wenhua Fan
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Yizhuo Li
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Ranran Tang
- Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
| | - Chunfang Tian
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Qian Yang
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Tianhua Zhu
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Chaoliang Diao
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Sheng Hu
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Manyu Chen
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Ping Guo
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Qian Long
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Changlin Zhang
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Ge Qin
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Wendan Yu
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Miao Chen
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Liren Li
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Lijun Qin
- Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jingshu Wang
- Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | | | | | - Penghui Zhou
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Lijuan Zou
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Kui Jiang
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China.
| | - Wei Guo
- Institute of Cancer Stem Cells and The Second Affiliated Hospital, Dalian Medical University, Dalian, China.
| | - Wuguo Deng
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Centre, Guangzhou, China.
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Valdés-Tovar M, Estrada-Reyes R, Solís-Chagoyán H, Argueta J, Dorantes-Barrón AM, Quero-Chávez D, Cruz-Garduño R, Cercós MG, Trueta C, Oikawa-Sala J, Dubocovich ML, Benítez-King G. Circadian modulation of neuroplasticity by melatonin: a target in the treatment of depression. Br J Pharmacol 2018; 175:3200-3208. [PMID: 29512136 DOI: 10.1111/bph.14197] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 02/15/2018] [Accepted: 02/21/2018] [Indexed: 01/03/2023] Open
Abstract
Mood disorders are a spectrum of neuropsychiatric disorders characterized by changes in the emotional state. In particular, major depressive disorder is expected to have a worldwide prevalence of 20% in 2020, representing a huge socio-economic burden. Currently used antidepressant drugs have poor efficacy with only 30% of the patients in remission after the first line of treatment. Importantly, mood disorder patients present uncoupling of circadian rhythms. In this regard, melatonin (5-methoxy-N-acetyltryptamine), an indolamine synthesized by the pineal gland during the night, contributes to synchronization of body rhythms with the environmental light/dark cycle. In this review, we describe evidence supporting antidepressant-like actions of melatonin related to the circadian modulation of neuroplastic changes in the hippocampus. We also present evidence for the role of melatonin receptors and their signalling pathways underlying modulatory effects in neuroplasticity. Finally, we briefly discuss the detrimental consequences of circadian disruption on neuroplasticity and mood disorders, due to the modern human lifestyle. Together, data suggest that melatonin's stimulation of neurogenesis and neuronal differentiation is beneficial to patients with mood disorders. LINKED ARTICLES: This article is part of a themed section on Recent Developments in Research of Melatonin and its Potential Therapeutic Applications. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v175.16/issuetoc.
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Affiliation(s)
- Marcela Valdés-Tovar
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Rosa Estrada-Reyes
- Laboratorio de Fitofarmacología, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Héctor Solís-Chagoyán
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Jesús Argueta
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Ana María Dorantes-Barrón
- Laboratorio de Fitofarmacología, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Daniel Quero-Chávez
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Ricardo Cruz-Garduño
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Montserrat G Cercós
- Departamento de Neurofisiología, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Citlali Trueta
- Departamento de Neurofisiología, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Julián Oikawa-Sala
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Margarita L Dubocovich
- Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo (SUNY), Buffalo, NY, 14214, USA
| | - Gloria Benítez-King
- Laboratorio de Neurofarmacología, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
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Brown GM, McIntyre RS, Rosenblat J, Hardeland R. Depressive disorders: Processes leading to neurogeneration and potential novel treatments. Prog Neuropsychopharmacol Biol Psychiatry 2018; 80:189-204. [PMID: 28433459 DOI: 10.1016/j.pnpbp.2017.04.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 04/01/2017] [Indexed: 12/18/2022]
Abstract
Mood disorders are wide spread with estimates that one in seven of the population are affected at some time in their life (Kessler et al., 2012). Many of those affected with severe depressive disorders have cognitive deficits which may progress to frank neurodegeneration. There are several peripheral markers shown by patients who have cognitive deficits that could represent causative factors and could potentially serve as guides to the prevention or even treatment of neurodegeneration. Circadian rhythm misalignment, immune dysfunction and oxidative stress are key pathologic processes implicated in neurodegeneration and cognitive dysfunction in depressive disorders. Novel treatments targeting these pathways may therefore potentially improve patient outcomes whereby the primary mechanism of action is outside of the monoaminergic system. Moreover, targeting immune dysfunction, oxidative stress and circadian rhythm misalignment (rather than primarily the monoaminergic system) may hold promise for truly disease modifying treatments that may prevent neurodegeneration rather than simply alleviating symptoms with no curative intent. Further research is required to more comprehensively understand the contributions of these pathways to the pathophysiology of depressive disorders to allow for disease modifying treatments to be discovered.
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Affiliation(s)
- Gregory M Brown
- Department of Psychiatry, University of Toronto, Centre for Addiction and Mental Health, 250 College St. Toronto, ON M5T 1R8, Canada.
| | - Roger S McIntyre
- Psychiatry and Pharmacology, University of Toronto, Mood Disorders Psychopharmacology Unit, University Health Network, 399 Bathurst Street, MP 9-325, Toronto, ON M5T 2S8, Canada.
| | - Joshua Rosenblat
- Resident of Psychiatry, Clinician Scientist Stream, University of Toronto, Mood Disorders Psychopharmacology Unit, University Health Network, 399 Bathurst Street, MP 9-325, Toronto, ON M5T 2S8, Canada
| | - Rüdiger Hardeland
- Johann Friedrich Blumenbach Institut für Zoologie und Anthropologie, Universität Göttingen, Buergerstrasse 50, D-37073 Göttingen, Germany.
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Kim EJ, Felsovalyi K, Young LM, Shmelkov SV, Grunebaum MF, Cardozo T. Molecular basis of atypicality of bupropion inferred from its receptor engagement in nervous system tissues. Psychopharmacology (Berl) 2018; 235:2643-2650. [PMID: 29961917 PMCID: PMC6132670 DOI: 10.1007/s00213-018-4958-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 06/20/2018] [Indexed: 11/28/2022]
Abstract
Despite decades of clinical use and research, the mechanism of action (MOA) of antidepressant medications remains poorly understood. Selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) are the most commonly prescribed antidepressants-atypical antidepressants such as bupropion have also proven effective, while exhibiting a divergent clinical phenotype. The difference in phenotypic profiles presumably lies in the differences among the MOAs of SSRIs/SNRIs and bupropion. We integrated the ensemble of bupropion's affinities for all its receptors with the expression levels of those targets in nervous system tissues. This "combined target tissue" profile of bupropion was compared to those of duloxetine, fluoxetine, and venlafaxine to isolate the unique target tissue effects of bupropion. Our results suggest that the three monoamines-serotonin, norepinephrine, and dopamine-all contribute to the common antidepressant effects of SSRIs, SNRIs, and bupropion. At the same time, bupropion is unique in its action on 5-HT3AR in the dorsal root ganglion and nicotinic acetylcholine receptors in the pineal gland. These unique tissue-specific activities may explain unique therapeutic effects of bupropion, such as pain management and smoking cessation, and, given melatonin's association with nicotinic acetylcholine receptors and depression, highlight the underappreciated role of the melatonergic system in bupropion's MOA.
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Affiliation(s)
- Eric J. Kim
- Amherst College, Amherst, MA USA ,Department of Biochemistry and Molecular Pharmacology, NYU School of Medicine, New York, NY USA
| | | | - Lauren M. Young
- Department of Biochemistry and Molecular Pharmacology, NYU School of Medicine, New York, NY USA ,Department of Pathology, NYU School of Medicine, New York, NY USA
| | - Sergey V. Shmelkov
- Department of Neuroscience and Physiology, NYU School of Medicine, New York, NY USA ,Department of Psychiatry, NYU School of Medicine, New York, NY USA
| | - Michael F. Grunebaum
- Department of Psychiatry, Columbia University Medical Center, New York, NY USA ,New York State Psychiatric Institute, New York, NY USA
| | - Timothy Cardozo
- Department of Biochemistry and Molecular Pharmacology, NYU School of Medicine, New York, NY, USA.
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Circadian Rhythm Disturbances in Mood Disorders: Insights into the Role of the Suprachiasmatic Nucleus. Neural Plast 2017; 2017:1504507. [PMID: 29230328 PMCID: PMC5694588 DOI: 10.1155/2017/1504507] [Citation(s) in RCA: 123] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 09/05/2017] [Accepted: 10/03/2017] [Indexed: 12/28/2022] Open
Abstract
Circadian rhythm disturbances are a common symptom among individuals with mood disorders. The suprachiasmatic nucleus (SCN), in the ventral part of the anterior hypothalamus, orchestrates physiological and behavioral circadian rhythms. The SCN consists of self-sustaining oscillators and receives photic and nonphotic cues, which entrain the SCN to the external environment. In turn, through synaptic and hormonal mechanisms, the SCN can drive and synchronize circadian rhythms in extra-SCN brain regions and peripheral tissues. Thus, genetic or environmental perturbations of SCN rhythms could disrupt brain regions more closely related to mood regulation and cause mood disturbances. Here, we review clinical and preclinical studies that provide evidence both for and against a causal role for the SCN in mood disorders.
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Tordjman S, Chokron S, Delorme R, Charrier A, Bellissant E, Jaafari N, Fougerou C. Melatonin: Pharmacology, Functions and Therapeutic Benefits. Curr Neuropharmacol 2017; 15:434-443. [PMID: 28503116 PMCID: PMC5405617 DOI: 10.2174/1570159x14666161228122115] [Citation(s) in RCA: 417] [Impact Index Per Article: 59.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 11/13/2016] [Accepted: 12/27/2016] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Melatonin synchronizes central but also peripheral oscillators (fetal adrenal gland, pancreas, liver, kidney, heart, lung, fat, gut, etc.), allowing temporal organization of biological functions through circadian rhythms (24-hour cycles) in relation to periodic environmental changes and therefore adaptation of the individual to his/her internal and external environment. Measures of melatonin are considered the best peripheral indices of human circadian timing based on an internal 24-hour clock. METHODS First, the pharmacology of melatonin (biosynthesis and circadian rhythms, pharmacokinetics and mechanisms of action) is described, allowing a better understanding of the short and long term effects of melatonin following its immediate or prolonged release. Then, research related to the physiological effects of melatonin is reviewed. RESULTS The physiological effects of melatonin are various and include detoxification of free radicals and antioxidant actions, bone formation and protection, reproduction, and cardiovascular, immune or body mass regulation. Also, protective and therapeutic effects of melatonin are reported, especially with regard to brain or gastrointestinal protection, psychiatric disorders, cardiovascular diseases and oncostatic effects. CONCLUSION This review highlights the high number and diversity of major melatonin effects and opens important perspectives for measuring melatonin as a biomarker (biomarker of early identification of certain disorders and also biomarker of their follow-up) and using melatonin with clinical preventive and therapeutic applications in newborns, children and adults based on its physiological regulatory effects.
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Affiliation(s)
- Sylvie Tordjman
- Hospital-University Department of Child and Adolescent Psychiatry, Guillaume Régnier Hospital, Rennes 1 University, Rennes 35000, France
- Laboratory of Psychology of Perception, CNRS UMR 8158, Paris 75270, France
| | - Sylvie Chokron
- Laboratory of Psychology of Perception, CNRS UMR 8158, Paris 75270, France
| | - Richard Delorme
- Child and Adolescent Psychiatry Department, Robert Debré Hospital, Paris 7 University, Paris 75019, France
| | - Annaëlle Charrier
- Hospital-University Department of Child and Adolescent Psychiatry, Guillaume Régnier Hospital, Rennes 1 University, Rennes 35000, France
| | - Eric Bellissant
- Inserm CIC 1414 Clinical Investigation Centre, University Hospital, Rennes 1 University, Rennes 35033, France
- Department of Clinical Pharmacology, University Hospital, Rennes 1 University, Rennes 35033, France
| | - Nemat Jaafari
- Unité de recherche clinique Pierre Deniker du Centre Hospitalier Henri Laborit, INSERM CIC-P 1402, Poitiers 86022, France
- INSERM U 1084 Laboratoire expérimental et clinique en Neurosciences, University of Poitiers, Poitiers 86022, France
| | - Claire Fougerou
- Inserm CIC 1414 Clinical Investigation Centre, University Hospital, Rennes 1 University, Rennes 35033, France
- Department of Clinical Pharmacology, University Hospital, Rennes 1 University, Rennes 35033, France
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Liu J, Clough SJ, Dubocovich ML. Role of the MT1and MT2melatonin receptors in mediating depressive- and anxiety-like behaviors in C3H/HeN mice. GENES BRAIN AND BEHAVIOR 2017; 16:546-553. [DOI: 10.1111/gbb.12369] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 12/20/2016] [Accepted: 01/23/2017] [Indexed: 12/29/2022]
Affiliation(s)
- J. Liu
- Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences; University at Buffalo (SUNY); Buffalo NY USA
| | - S. J. Clough
- Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences; University at Buffalo (SUNY); Buffalo NY USA
| | - M. L. Dubocovich
- Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences; University at Buffalo (SUNY); Buffalo NY USA
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13
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Carissimi A, Martins AC, Dresch F, da Silva LC, Zeni CP, Hidalgo MP. School start time influences melatonin and cortisol levels in children and adolescents – a community-based study. Chronobiol Int 2016; 33:1400-1409. [DOI: 10.1080/07420528.2016.1222537] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Alicia Carissimi
- Laboratório de Cronobiologia e Sono do Hospital de Clínicas de Porto Alegre (HCPA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brasil
- Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, UFRGS, Porto Alegre, Brasil
| | - Alessandra Castro Martins
- Laboratório de Cronobiologia e Sono do Hospital de Clínicas de Porto Alegre (HCPA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brasil
| | - Fabiane Dresch
- Laboratório de Cronobiologia e Sono do Hospital de Clínicas de Porto Alegre (HCPA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brasil
- Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, UFRGS, Porto Alegre, Brasil
| | - Lilian Corrêa da Silva
- Programa de Pós-Graduação em Ciências Biológicas: Fisiologia, UFRGS, Porto Alegre, Brasil
| | - Cristian Patrick Zeni
- Child and Adolescent Mood Disorders Program, University of Texas Health Science Center at Houston, TX, USA
| | - Maria Paz Hidalgo
- Laboratório de Cronobiologia e Sono do Hospital de Clínicas de Porto Alegre (HCPA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brasil
- Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, UFRGS, Porto Alegre, Brasil
- Departamento de Psiquiatria e Medicina Legal da Faculdade de Medicina, UFRGS, Porto Alegre, Brasil
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Bumb JM, Enning F, Mueller JK, van der List T, Rohleder C, Findeisen P, Noelte I, Schwarz E, Leweke FM. Differential melatonin alterations in cerebrospinal fluid and serum of patients with major depressive disorder and bipolar disorder. Compr Psychiatry 2016; 68:34-9. [PMID: 27234180 DOI: 10.1016/j.comppsych.2016.03.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 03/19/2016] [Accepted: 03/24/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Melatonin, which plays an important role for regulation of circadian rhythms and the sleep/wake cycle has been linked to the pathophysiology of major depressive and bipolar disorder. Here we investigated melatonin levels in cerebrospinal fluid (CSF) and serum of depression and bipolar patients to elucidate potential differences and commonalities in melatonin alterations across the two disorders. METHODS Using enzyme-linked immunosorbent assays, CSF and serum melatonin levels were measured in 108 subjects (27 healthy volunteers, 44 depressed and 37 bipolar patients). Covariate adjusted multiple regression analysis was used to investigate group differences in melatonin levels. RESULTS In CSF, melatonin levels were significantly decreased in bipolar (P<0.001), but not major depressive disorder. In serum, we observed a significant melatonin decrease in major depressive (P=0.003), but not bipolar disorder. No associations were found between serum and CSF melatonin levels or between melatonin and measures of symptom severity or sleep disruptions in either condition. CONCLUSION This study suggests the presence of differential, body fluid specific alterations of melatonin levels in bipolar and major depressive disorder. Further, longitudinal studies are required to explore the disease phase dependency of melatonin alterations and to mechanistically explore the causes and consequences of site-specific alterations.
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Affiliation(s)
- J M Bumb
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
| | - F Enning
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - J K Mueller
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Till van der List
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - C Rohleder
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - P Findeisen
- Institute for Clinical Chemistry, Medical Faculty Mannheim, Heidelberg University, Germany
| | - I Noelte
- Department of Neuroradiology, University Hospital Mannheim, Mannheim, Germany
| | - E Schwarz
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - F M Leweke
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Central Interleukin-1β Suppresses the Nocturnal Secretion of Melatonin. Mediators Inflamm 2016; 2016:2589483. [PMID: 27212805 PMCID: PMC4861797 DOI: 10.1155/2016/2589483] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Accepted: 04/10/2016] [Indexed: 11/18/2022] Open
Abstract
In vertebrates, numerous processes occur in a rhythmic manner. The hormonal signal reliably reflecting the environmental light conditions is melatonin. Nocturnal melatonin secretion patterns could be disturbed in pathophysiological states, including inflammation, Alzheimer's disease, and depression. All of these states share common elements in their aetiology, including the overexpression of interleukin- (IL-) 1β in the central nervous system. Therefore, the present study was designed to determine the effect of the central injection of exogenous IL-1β on melatonin release and on the expression of the enzymes of the melatonin biosynthetic pathway in the pineal gland of ewe. It was found that intracerebroventricular injections of IL-1β (50 µg/animal) suppressed (P < 0.05) nocturnal melatonin secretion in sheep regardless of the photoperiod. This may have resulted from decreased (P < 0.05) synthesis of the melatonin intermediate serotonin, which may have resulted, at least partially, from a reduced expression of tryptophan hydroxylase. IL-1β also inhibited (P < 0.05) the expression of the melatonin rhythm enzyme arylalkylamine-N-acetyltransferase and hydroxyindole-O-methyltransferase. However, the ability of IL-1β to affect the expression of these enzymes was dependent upon the photoperiod. Our study may shed new light on the role of central IL-1β in the aetiology of disruptions in melatonin secretion.
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Tchekalarova J, Nenchovska Z, Atanasova D, Atanasova M, Kortenska L, Stefanova M, Alova L, Lazarov N. Consequences of long-term treatment with agomelatine on depressive-like behavior and neurobiological abnormalities in pinealectomized rats. Behav Brain Res 2016; 302:11-28. [DOI: 10.1016/j.bbr.2015.12.043] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 12/24/2015] [Accepted: 12/27/2015] [Indexed: 12/29/2022]
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Slyepchenko A, Maes M, Köhler CA, Anderson G, Quevedo J, Alves GS, Berk M, Fernandes BS, Carvalho AF. T helper 17 cells may drive neuroprogression in major depressive disorder: Proposal of an integrative model. Neurosci Biobehav Rev 2016; 64:83-100. [PMID: 26898639 DOI: 10.1016/j.neubiorev.2016.02.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 01/04/2016] [Accepted: 02/02/2016] [Indexed: 02/07/2023]
Abstract
The exact pathophysiology of major depressive disorder (MDD) remains elusive. The monoamine theory, which hypothesizes that MDD emerges as a result of dysfunctional serotonergic, dopaminergic and noradrenergic pathways, has guided the therapy of this illness for several decades. More recently, the involvement of activated immune, oxidative and nitrosative stress pathways and of decreased levels of neurotrophic factors has provided emerging insights regarding the pathophysiology of MDD, leading to integrated theories emphasizing the complex interplay of these mechanisms that could lead to neuroprogression. In this review, we propose an integrative model suggesting that T helper 17 (Th17) cells play a pivotal role in the pathophysiology of MDD through (i) microglial activation, (ii) interactions with oxidative and nitrosative stress, (iii) increases of autoantibody production and the propensity for autoimmunity, (iv) disruption of the blood-brain barrier, and (v) dysregulation of the gut mucosa and microbiota. The clinical and research implications of this model are discussed.
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Affiliation(s)
- Anastasiya Slyepchenko
- Womens Health Concerns Clinic, St. Joseph's Healthcare Hamilton, MiNDS Program, McMaster University; Hamilton, Ontario, Canada
| | - Michael Maes
- IMPACT Strategic Research Centre, Deakin University, School of Medicine and Barwon Health, Geelong, VIC, Australia
| | - Cristiano A Köhler
- Department of Clinical Medicine and Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | - João Quevedo
- Center for Translational Psychiatry, Department of Psychiatry and Behavioral Sciences, The University of Texas Medical School at Houston, Houston, TX, USA; Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Gilberto S Alves
- Department of Clinical Medicine and Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Michael Berk
- IMPACT Strategic Research Centre, Deakin University, School of Medicine and Barwon Health, Geelong, VIC, Australia; Department of Psychiatry, Florey Institute of Neuroscience and Mental Health, Orygen, The National Centre of Excellence in Youth Mental Health and Orygen Youth Health Research Centre, University of Melbourne, Parkville, VIC, Australia
| | - Brisa S Fernandes
- IMPACT Strategic Research Centre, Deakin University, School of Medicine and Barwon Health, Geelong, VIC, Australia; Laboratory of Calcium Binding Proteins in the Central Nervous System, Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - André F Carvalho
- Department of Clinical Medicine and Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil.
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Melatonin in perimenopausal and postmenopausal women: associations with mood, sleep, climacteric symptoms, and quality of life. Menopause 2015; 21:493-500. [PMID: 24065140 DOI: 10.1097/gme.0b013e3182a6c8f3] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Melatonin synthesis and secretion are partly modulated by estrogen and progesterone. Changes in melatonin concentrations, possibly related to the menopausal transition, may be associated with climacteric mood, sleep, and vasomotor symptoms. The aims of this study were to compare the serum concentrations of melatonin in perimenopausal and postmenopausal women and to evaluate melatonin's influence on mood, sleep, vasomotor symptoms, and quality of life. METHODS We analyzed the data of 17 healthy perimenopausal women (aged 43-51 y) and 18 healthy postmenopausal women (aged 58-71 y) who participated in a prospective study. On study night (9:00 pm-9:00 am), serum melatonin was sampled at 20-minute (9:00 pm-12:00 midnight; 6:00-9:00 am) and 1-hour (12:00 midnight-6:00 am) intervals. Questionnaires were used to assess depression (Beck Depression Inventory), anxiety (State-Trait Anxiety Inventory), insomnia and sleepiness (Basic Nordic Sleep Questionnaire [BNSQ]), subjective sleep quality, vasomotor symptoms, and quality of life (EuroQoL). RESULTS Postmenopausal women had lower nighttime serum melatonin concentrations than perimenopausal women. The duration of melatonin secretion tended to be shorter in postmenopause, whereas melatonin peak time did not differ. Mean melatonin concentrations and exposure levels did not correlate with follicle-stimulating hormone level, estradiol level, body mass index, Beck Depression Inventory score, State-Trait Anxiety Inventory score, BNSQ insomnia score, BNSQ sleepiness score, subjective sleep score, climacteric vasomotor score, or quality of life. In perimenopause, the later is the melatonin peak, the higher is the level of anxiety (P = 0.022), and the longer is the melatonin secretion, the better is the quality of life (P < 0.001). CONCLUSIONS Longitudinal research is needed to better understand the possible contributory role of menopause in lower melatonin levels.
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New hypothesis and treatment targets of depression: an integrated view of key findings. Neurosci Bull 2015; 31:61-74. [PMID: 25575479 DOI: 10.1007/s12264-014-1486-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 10/05/2014] [Indexed: 10/24/2022] Open
Abstract
Major depressive disorder (MDD) is a common and devastating psychiatric disorder characterized by persistent low mood, cognitive disorder, and impaired social function. Despite its complex mechanisms, increasing evidence has identified the involvement of neurotrophic factors, inflammatory cytokines, the hypothalamus-pituitary-adrenal axis, and glutamate receptors in the pathophysiology of this illness. The present review synthesizes recent research achievements to define the network between different hypotheses of MDD and to understand which part is most pivotal for its pathogenesis. By integrating MDD-related signal pathways, we highlight brain-derived neurotrophic factor (BDNF) dysfunction and increased apoptosis as the final common cascades, and new therapeutic strategies aiming to enhance BDNF function have been shown to exert a rapid and effective antidepressant action.
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Frank E, Sidor MM, Gamble KL, Cirelli C, Sharkey KM, Hoyle N, Tikotzky L, Talbot LS, McCarthy MJ, Hasler BP. Circadian clocks, brain function, and development. Ann N Y Acad Sci 2013; 1306:43-67. [DOI: 10.1111/nyas.12335] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ellen Frank
- Department of Psychiatry, University of Pittsburgh School of Medicine Pittsburgh Pennsylvania
| | - Michelle M. Sidor
- Department of Psychiatry, University of Pittsburgh School of Medicine Pittsburgh Pennsylvania
| | - Karen L. Gamble
- Department of Psychiatry University of Alabama at Birmingham Birmingham Alabama
| | - Chiara Cirelli
- Department of Psychiatry University of Wisconsin‐Madison Madison Wisconsin
| | - Katherine M. Sharkey
- Departments of Internal Medicine, and Psychiatry and Human Behavior Brown University Providence Rhode Island
| | - Nathaniel Hoyle
- MRC Laboratory of Molecular Biology Cambridge University Cambridge United Kingdom
| | - Liat Tikotzky
- Department of Psychology Ben Gurion University of the Negev Beer‐Sheva Israel
| | - Lisa S. Talbot
- Department of Psychiatry University of California San Francisco San Francisco California
| | - Michael J. McCarthy
- Department of Psychiatry University of California San Diego San Diego California
| | - Brant P. Hasler
- Department of Psychiatry, University of Pittsburgh School of Medicine Pittsburgh Pennsylvania
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Merikanto I, Lahti T, Puusniekka R, Partonen T. Late bedtimes weaken school performance and predispose adolescents to health hazards. Sleep Med 2013; 14:1105-11. [DOI: 10.1016/j.sleep.2013.06.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Revised: 06/11/2013] [Accepted: 06/15/2013] [Indexed: 12/17/2022]
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Choi D. Potency of melatonin in living beings. Dev Reprod 2013; 17:149-77. [PMID: 25949131 PMCID: PMC4282293 DOI: 10.12717/dr.2013.17.3.149] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Revised: 08/01/2013] [Accepted: 08/03/2013] [Indexed: 01/20/2023]
Abstract
Living beings are surrounded by various changes exhibiting periodical rhythms in environment. The environmental changes are imprinted in organisms in various pattern. The phenomena are believed to match the external signal with organisms in order to increase their survival rate. The signals are categorized into circadian, seasonal, and annual cycles. Among the cycles, the circadian rhythm is regarded as the most important factor because its periodicity is in harmony with the levels of melatonin secreted from pineal gland. Melatonin is produced by the absence of light and its presence displays darkness. Melatonin plays various roles in creatures. Therefore, this review is to introduce the diverse potential ability of melatonin in manifold aspects in living organism.
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Affiliation(s)
- Donchan Choi
- Department of Life Science, College of Environmental Sciences, Yong-In University, Yongin 449-714, Republic of Korea
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Zhu H, Bogdanov MB, Boyle SH, Matson W, Sharma S, Matson S, Churchill E, Fiehn O, Rush JA, Krishnan RR, Pickering E, Delnomdedieu M, Kaddurah-Daouk R. Pharmacometabolomics of response to sertraline and to placebo in major depressive disorder - possible role for methoxyindole pathway. PLoS One 2013; 8:e68283. [PMID: 23874572 PMCID: PMC3714282 DOI: 10.1371/journal.pone.0068283] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Accepted: 05/28/2013] [Indexed: 12/05/2022] Open
Abstract
Therapeutic response to selective serotonin (5-HT) reuptake inhibitors in Major Depressive Disorder (MDD) varies considerably among patients, and the onset of antidepressant therapeutic action is delayed until after 2 to 4 weeks of treatment. The objective of this study was to analyze changes within methoxyindole and kynurenine (KYN) branches of tryptophan pathway to determine whether differential regulation within these branches may contribute to mechanism of variation in response to treatment. Metabolomics approach was used to characterize early biochemical changes in tryptophan pathway and correlated biochemical changes with treatment outcome. Outpatients with MDD were randomly assigned to sertraline (n = 35) or placebo (n = 40) in a double-blind 4-week trial; response to treatment was measured using the 17-item Hamilton Rating Scale for Depression (HAMD17). Targeted electrochemistry based metabolomic platform (LCECA) was used to profile serum samples from MDD patients. The response rate was slightly higher for sertraline than for placebo (21/35 [60%] vs. 20/40 [50%], respectively, χ2(1) = 0.75, p = 0.39). Patients showing a good response to sertraline had higher pretreatment levels of 5-methoxytryptamine (5-MTPM), greater reduction in 5-MTPM levels after treatment, an increase in 5-Methoxytryptophol (5-MTPOL) and Melatonin (MEL) levels, and decreases in the (KYN)/MEL and 3-Hydroxykynurenine (3-OHKY)/MEL ratios post-treatment compared to pretreatment. These changes were not seen in the patients showing poor response to sertraline. In the placebo group, more favorable treatment outcome was associated with increases in 5-MTPOL and MEL levels and significant decreases in the KYN/MEL and 3-OHKY/MEL; changes in 5-MTPM levels were not associated with the 4-week response. These results suggest that recovery from a depressed state due to treatment with drug or with placebo could be associated with preferential utilization of serotonin for production of melatonin and 5-MTPOL.
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Affiliation(s)
- Hongjie Zhu
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina, USA
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Wu YH, Ursinus J, Zhou JN, Scheer FAJL, Ai-Min B, Jockers R, van Heerikhuize J, Swaab DF. Alterations of melatonin receptors MT1 and MT2 in the hypothalamic suprachiasmatic nucleus during depression. J Affect Disord 2013; 148:357-67. [PMID: 23357659 DOI: 10.1016/j.jad.2012.12.025] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Revised: 12/26/2012] [Accepted: 12/28/2012] [Indexed: 02/08/2023]
Abstract
BACKGROUND The pineal hormone melatonin regulates circadian rhythms, largely by feedback on the central biological clock of the brain, the hypothalamic suprachiasmatic nucleus (SCN). This feedback is mediated by the melatonin receptors, melatonin receptor 1 (MT1) and melatonin receptor 2 (MT2). The circadian system may play a role in the pathophysiology of mood disorders, and indeed, melatonin-receptor agonists are considered a potential therapy for depression. METHOD In order to investigate melatonin receptors in the SCN during depression, and their relationship to the major neuropeptides in the SCN, vasopressin (AVP) and vasoactive intestinal peptide (VIP), we studied the SCN in 14 depressed patients (five major depression and nine bipolar disorder) and 14 matched controls by immunocytochemistry. RESULTS We show here that hypothalamic MT2 receptor immunoreactivity was limited to SCN, the supraoptic nucleus and paraventricular nucleus. We found that numbers of MT1-immunoreactive (MT1-ir) cells and AVP and/or VIP-ir cells were increased in the central SCN in depression, but numbers of MT2-ir cells were not altered. Moreover, the number of MT1-ir cells, but not MT2-ir cells was negatively correlated with age at onset of depression, while positively correlated with disease duration. CONCLUSION AND LIMITATIONS: Although every post-mortem study has limitations, MT1 receptors appeared specifically increased in the SCN of depressed patients, and may increase during the course of the disease. These changes may be involved in the circadian disorders and contribute to the efficacy of MT agonists or melatonin in depression. Moreover, we suggest that melatonin receptor agonists for depression should be targeted towards the MT1 receptor selectively.
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Affiliation(s)
- Ying-Hui Wu
- Netherlands Institute for Neuroscience, Institute of Royal Netherlands Academy of Arts and Science, Meibergdreef 47, 1105 BA Amsterdam, The Netherlands
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Tajima-Pozo K, Montes-Montero A, Güemes I, González-Vives S, Díaz-Marsá M, Carrasco JL. [Contributions of cortisol suppression tests to understanding of psychiatric disorders: a narrative review of literature]. ACTA ACUST UNITED AC 2013; 60:396-403. [PMID: 23623464 DOI: 10.1016/j.endonu.2012.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 08/03/2012] [Accepted: 09/04/2012] [Indexed: 12/01/2022]
Abstract
Activity of the hypothalamic-pituitary-adrenal axis had been studied for the past half century, when some researchers noted that some patients with Cushing's syndrome and severe mood disorders had high baseline cortisol levels, which resulted in an inhibited response in the 1mg dexamethasone suppression test. Altered dexamethasone suppression test results were subsequently found in many psychiatric diseases, including anorexia nervosa, obsessive-compulsive disorder, degenerative dementia, bipolar disorders, and schizophrenia. The relationship between high baseline cortisol levels and stress has also been studied. Some researches on the genesis of borderline personality disorder focused on traumatic childhood backgrounds. Other investigations aimed at elucidating the relationship between traumatic backgrounds and some psychiatric disorders noted that patients with post-traumatic stress disorder and borderline personality disorder showed an enhanced cortisol suppression with low cortisol doses (0.5 mg). Recent studies showed that use of an ultra-low dose of cortisol during the dexamethasone suppression test may be helpful for detecting disorders with hyperactivity of the hypothalamic-pituitary-adrenal axis. Recent advances in neuroimaging support the existence of hyperactivity of the hypothalamic-pituitary-adrenal axis in patients with borderline personality disorder, relating a decreased pituitary gland volume to major traumatic backgrounds and suicidal attempts. The purpose of this paper is to make a narrative review of research using dexamethasone suppression test in psychiatric disorders, in order to ascertain its value as a supplemental diagnostic test or as a prognostic marker.
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Affiliation(s)
- Kazuhiro Tajima-Pozo
- Servicio de Endocrinología y Nutrición, Hospital Clínico San Carlos, Madrid, España.
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Hickie IB, Naismith SL, Robillard R, Scott EM, Hermens DF. Manipulating the sleep-wake cycle and circadian rhythms to improve clinical management of major depression. BMC Med 2013; 11:79. [PMID: 23521808 PMCID: PMC3760618 DOI: 10.1186/1741-7015-11-79] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Accepted: 03/01/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Clinical psychiatry has always been limited by the lack of objective tests to substantiate diagnoses and a lack of specific treatments that target underlying pathophysiology. One area in which these twin failures has been most frustrating is major depression. Due to very considerable progress in the basic and clinical neurosciences of sleep-wake cycles and underlying circadian systems this situation is now rapidly changing. DISCUSSION The development of specific behavioral or pharmacological strategies that target these basic regulatory systems is driving renewed clinical interest. Here, we explore the extent to which objective tests of sleep-wake cycles and circadian function - namely, those that measure timing or synchrony of circadian-dependent physiology as well as daytime activity and nighttime sleep patterns - can be used to identify a sub-class of patients with major depression who have disturbed circadian profiles. SUMMARY Once this unique pathophysiology is characterized, a highly personalized treatment plan can be proposed and monitored. New treatments will now be designed and old treatments re-evaluated on the basis of their effects on objective measures of sleep-wake cycles, circadian rhythms and related metabolic systems.
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Affiliation(s)
- Ian B Hickie
- Clinical Research Unit, Brain & Mind Research Institute, University of Sydney, 100 Mallett St, Camperdown, NSW, 2050, Australia
| | - Sharon L Naismith
- Clinical Research Unit, Brain & Mind Research Institute, University of Sydney, 100 Mallett St, Camperdown, NSW, 2050, Australia
| | - Rébecca Robillard
- Clinical Research Unit, Brain & Mind Research Institute, University of Sydney, 100 Mallett St, Camperdown, NSW, 2050, Australia
| | - Elizabeth M Scott
- Clinical Research Unit, Brain & Mind Research Institute, University of Sydney, 100 Mallett St, Camperdown, NSW, 2050, Australia
- School of Medicine, The University of Notre Dame, 160 Oxford St, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Daniel F Hermens
- Clinical Research Unit, Brain & Mind Research Institute, University of Sydney, 100 Mallett St, Camperdown, NSW, 2050, Australia
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Ouakki S, Mrabet FZE, Hessni AE, Mesfioui A, Pévet P, Ouichou A. Conversion of L-Tryptophan into Melatonin Is the Possible Action Pathway Involved in the Effect of L-Tryptophan on Antidepressant-Related Behavior in Female Rats: Analysis of the Influence of Treatment Duration. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/jbbs.2013.34036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Cardinali DP, Vidal MF, Vigo DE. Agomelatine: Its Role in the Management of Major Depressive Disorder. ACTA ACUST UNITED AC 2012. [DOI: 10.4137/cmpsy.s7989] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Circadian rhythm abnormalities, as shown by sleep/wake cycle disturbances, constitute one the most prevalent signs of depressive illness; advances or delays in the circadian phase are documented in patients with major depressive disorder (MDD), bipolar disorder, and seasonal affective disorder (SAD). The disturbances in the amplitude and phase of rhythm in melatonin secretion that occur in patients with depression resemble those seen in chronobiological disorders, thus suggesting a link between disturbed melatonin secretion and depressed mood. Based on this, agomelatine, the first MT1/MT2 melatonergic agonist displaying also 5-HT2C serotonergic antagonism, has been introduced as an antidepressant. Agomelatine has been shown to be effective in several animal models of depression and anxiety and it has beneficial effects in patients with MDD, bipolar disorder, or SAD. Among agomelatine's characteristics are a rapid onset of action and a pronounced effectiveness for correcting circadian rhythm abnormalities and improving the sleep/wake cycle. Agomelatine also improves the 3 functional dimensions of depression—emotional, cognitive, and social—thus aiding in the full recovery of patients to a normal life.
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Affiliation(s)
- Daniel P. Cardinali
- Department of Teaching and Research, Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - María F. Vidal
- Department of Teaching and Research, Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - Daniel E. Vigo
- Department of Teaching and Research, Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
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Darcourt G, Feuillade P, Bistagnin Y, Robert P, Pringuey D, Touari M, Merdji Y, Bensmaïl B. Antidepressant effect of 5-methoxypsoralen: The melatonin synchronizer hypothesis. Eur Psychiatry 2012; 10:142-54. [PMID: 19698328 DOI: 10.1016/0767-399x(96)80103-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/1993] [Accepted: 01/14/1994] [Indexed: 12/13/2022] Open
Abstract
5-methoxypsoralen (5-MOP) stimulates pineal melatonin secretion, and a decrease in dark phase melatonin levels has been described in major depression. As exogenous melatonin has shown synchronizer properties, authors hypothesized that giving 5-MOP would have antidepressant properties. Twenty-six inpatients meeting the criteria of major depressive disorders were enrolled in a four-week, double blind trial of 5-MOP versus amitriptyline. Clinical improvement was identical in both treatment groups but biological changes were different in each group: 5-MOP patients showed an early nocturnal surge of melatonin levels that was maintained at the fourth treatment week, while melatonin levels remained unchanged in patients treated with amitriptyline.
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Affiliation(s)
- G Darcourt
- Clinique de Psychiatrie et de Psychologie Médicale, Faculté de Médecine, Hôpital Pasteur, 130, avenue de la Voie Romaine, BP 69, 06002 Nice Cedex 01, France
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Swimming exercise may not alleviate the depressive-like behaviors and circadian alterations of neuroendocrine induced by chronic unpredictable mild stress in rats. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.npbr.2012.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Srinivasan V, De Berardis D, Shillcutt SD, Brzezinski A. Role of melatonin in mood disorders and the antidepressant effects of agomelatine. Expert Opin Investig Drugs 2012; 21:1503-22. [DOI: 10.1517/13543784.2012.711314] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Melatonin: a novel indolamine in oral health and disease. Int J Dent 2012; 2012:720185. [PMID: 22899929 PMCID: PMC3415143 DOI: 10.1155/2012/720185] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Accepted: 05/31/2012] [Indexed: 12/15/2022] Open
Abstract
This paper attempts to summarise the findings accumulated within the last few years concerning the hormone of darkness “melatonin.” Based on its origin, from the pineal gland until recently it was portrayed exclusively as a hormone. Due to its lipophilic nature, it is accessible to every cell. Thus, in the classic sense it is a cell protector rather than a hormone. Recent studies, by Claustrat et al. (2005), detected few extrapineal sources of melatonin like retina, gastrointestinal tract, and salivary glands. Due to these sources, research by Cutando et al. (2007), is trying to explore the implications of melatonin in the oral cavity, in addition to its physiologic anti-oxidant, immunomodulatory and oncostatic functions at systemic level that may be receptor dependent or independent. Recently, certain in vivo studies by Shimozuma et al. (2011), detected the secretion of melatonin from salivary glands further emphasising its local activity. Thus, within our confines the effects of melatonin in the mouth are reviewed, adding a note on therapeutic potentials of melatonin both systemically and orally.
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Melatonin Antioxidative Defense: Therapeutical Implications for Aging and Neurodegenerative Processes. Neurotox Res 2012; 23:267-300. [DOI: 10.1007/s12640-012-9337-4] [Citation(s) in RCA: 173] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 06/12/2012] [Accepted: 06/13/2012] [Indexed: 12/12/2022]
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Clock gene variants in mood and anxiety disorders. J Neural Transm (Vienna) 2012; 119:1133-45. [DOI: 10.1007/s00702-012-0810-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Accepted: 04/16/2012] [Indexed: 12/21/2022]
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Frey S, Birchler-Pedross A, Hofstetter M, Brunner P, Götz T, Münch M, Blatter K, Knoblauch V, Wirz-Justice, A, Cajochen C. Young Women With Major Depression Live on Higher Homeostatic Sleep Pressure Than Healthy Controls. Chronobiol Int 2012; 29:278-94. [DOI: 10.3109/07420528.2012.656163] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
Antidepressant pharmacotherapy is to date the most often used treatment for depression, but the exact mechanism of action underlying its therapeutic effect is still unclear. Many theories have been put forward to account for depression, as well as antidepressant activity, but none of them is exhaustive. Neuroimmune endocrine impairment is found in depressed patients; high levels of circulating corticosteroids along with hyperactivation of the immune system, high levels of proinflammatory cytokines, low levels of melatonin in plasma and urine, and disentrainment of circadian rhythms have been demonstrated. Moreover, antidepressant treatment seems to correct or at least to interfere with these alterations. In this review, we summarize the complex neuroimmune endocrine and chronobiological alterations found in patients with depression and how these systems interact with each other. We also explain how antidepressant therapy can modify these systems, along with some possible mechanisms of action shown in animal and human models.
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Affiliation(s)
- Marco Antonioli
- Psychoimmunology Translational Laboratory, Health Science Research Centre, Roehampton University, London, UK
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Srinivasan V, Cardinali DP, Srinivasan US, Kaur C, Brown GM, Spence DW, Hardeland R, Pandi-Perumal SR. Therapeutic potential of melatonin and its analogs in Parkinson's disease: focus on sleep and neuroprotection. Ther Adv Neurol Disord 2011; 4:297-317. [PMID: 22010042 DOI: 10.1177/1756285611406166] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Sleep disorders constitute major nonmotor features of Parkinson's disease (PD) that have a substantial effect on patients' quality of life and can be related to the progression of the neurodegenerative disease. They can also serve as preclinical markers for PD, as it is the case for rapid eye movement (REM)-associated sleep behavior disorder (RBD). Although the etiology of sleep disorders in PD remains undefined, the assessment of the components of the circadian system, including melatonin secretion, could give therapeutically valuable insight on their pathophysiopathology. Melatonin is a regulator of the sleep/wake cycle and also acts as an effective antioxidant and mitochondrial function protector. A reduction in the expression of melatonin MT(1) and MT(2) receptors has been documented in the substantia nigra of PD patients. The efficacy of melatonin for preventing neuronal cell death and for ameliorating PD symptoms has been demonstrated in animal models of PD employing neurotoxins. A small number of controlled trials indicate that melatonin is useful in treating disturbed sleep in PD, in particular RBD. Whether melatonin and the recently developed melatonergic agents (ramelteon, tasimelteon, agomelatine) have therapeutic potential in PD is also discussed.
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Affiliation(s)
- Venkatramanujam Srinivasan
- Sri Sathya Sai Medical Educational and Research Foundation, Prasanthi Nilayam, Plot-40, Kovai Thirunagar, Coimbatore 641014, India
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Kripke DF, Nievergelt CM, Tranah GJ, Murray SS, McCarthy MJ, Rex KM, Parimi N, Kelsoe JR. Polymorphisms in melatonin synthesis pathways: possible influences on depression. J Circadian Rhythms 2011; 9:8. [PMID: 21827647 PMCID: PMC3177871 DOI: 10.1186/1740-3391-9-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Accepted: 08/09/2011] [Indexed: 11/14/2022] Open
Abstract
Background It has been reported that rs4446909, a single nucleotide polymorphism (SNP) in the promoter of acetylserotonin methyltransferase (ASMT), influences the expression of the ASMT enzyme. The common G allele is associated with lower ASMT activity, and therefore, diminishes conversion of N-acetylserotonin to melatonin. The G allele was associated with recurrent depressive disorder in a Polish group. ASMT might also affect bipolar relapse, given evidence that N-acetylserotonin might stimulate TRKB receptors, and TRKB may influence mood relapse in bipolar disorder. Additionally, arylalkylamine N-acetyltransferase (AANAT) polymorphisms have been reported associated with depression, perhaps through their influence upon N-acetylserotonin or melatonin synthesis. Results To replicate and further explore these ideas, rs4446909 was genotyped in four research groups, as part of a panel of 610 SNPs surveyed by an Illumina Golden Gate assay. In 768 cases with delayed sleep phase disorder or matched controls, rs4446909 was indeed associated with the depressive symptoms on a self-report scale (P = 0.01, R2 = 0.007). However, there was no significant association of rs4446909 with self-reported depression in a sleep clinic patient group or with two groups of elderly men and women from multicenter studies, nor was the response to lithium treatment associated with rs4446909 in bipolar patients. No associations of two AANAT SNPs with depression were found. Conclusions The evidence did not support a strong influence of rs4446909 upon mood, but the partial replication may be consistent with a modest effect. It is possible that larger or younger subject groups with improved phenotype ascertainment might demonstrate more persuasive replication.
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Affiliation(s)
- Daniel F Kripke
- Department of Psychiatry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA.
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Effect of agomelatine and its interaction with the daily corticosterone rhythm on progenitor cell proliferation in the dentate gyrus of the adult rat. Neuropharmacology 2010; 59:375-9. [DOI: 10.1016/j.neuropharm.2010.05.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2009] [Revised: 05/11/2010] [Accepted: 05/19/2010] [Indexed: 11/22/2022]
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Srinivasan V, Singh J, Pandi-Perumal SR, Brown GM, Spence DW, Cardinali DP. Jet lag, circadian rhythm sleep disturbances, and depression: the role of melatonin and its analogs. Adv Ther 2010; 27:796-813. [PMID: 20827520 DOI: 10.1007/s12325-010-0065-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Indexed: 12/12/2022]
Abstract
Traveling through several time zones results in a constellation of symptoms known as jet lag. These include reduced alertness, daytime fatigue, loss of appetite, reduced cognitive skills, and disruption of the sleep/wake cycle. In susceptible air travel passengers, jet lag may exacerbate affective illness and result in psychiatric morbidity. Dysregulation of circadian rhythms and melatonin secretion represent the common underlying factor in jet lag and other circadian disorders. Recent studies have established the effectiveness of strategically timed administration of melatonin and appropriate timed exposure to environmental schedules including light in counteracting the dysregulation (chronobiologic actions). With the introduction of melatonergic agonists such as ramelteon and tasimelteon, which have both a stronger affinity for MT₁ and MT₂ melatonin receptors and a longer half-life, new therapeutic options now exist for treating the sleep disturbances associated with jet lag. The melatonin analogs are unique inasmuch as they can also enhance daytime alertness. The recently introduced melatonergic antidepressant agomelatine, which has established its supremacy over other antidepressants in having a significant chronobiologic activity, represents a good choice for treating depressive symptoms that are associated with jet lag.
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Buckley TM, Schatzberg AF. A pilot study of the phase angle between cortisol and melatonin in major depression - a potential biomarker? J Psychiatr Res 2010; 44:69-74. [PMID: 20004915 DOI: 10.1016/j.jpsychires.2009.06.012] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2009] [Revised: 06/26/2009] [Accepted: 06/26/2009] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Hypothalamic-pituitary-adrenal (HPA) axis and melatonin rhythm alterations have been independently reported in major depression (MDD) as well as in insomnia. In this pilot study, we link cortisol and melatonin rhythms and propose that the phase angle between cortisol acrophase (CA) and dim-light melatonin onset (20 pg/ml) (DLMO-20) may yield a useful state specific biomarker for MDD. METHODS Six healthy (HC) and six depressed (MDD) psychotropic free subjects were admitted to the General Clinical Research Center. Blood was sampled for cortisol and melatonin from 1600h to 1000h, under dim lights (<20lux) and constant routine. Time for DLMO-20 and peak cortisol concentration was determined for each subject. Phase angle was computed as the difference in time between CA and DLMO-20. RESULTS Phase angle was significantly increased in MDD's versus HC's (13.40+/-1.61h. versus 11.61+/-1.66h, p=0.026). Using ROC analysis, a phase angle greater than 13.57h distinguished MDD's from HC's (sensitivity=0.83, specificity=1.0). Mean nocturnal melatonin (1600-1000h) was significantly decreased in MDD's versus HC's (22.67+/-9.08 pg/ml versus 47.82+/-14.76 pg/ml, p=0.015). CONCLUSIONS The phase angle between CA and DLMO-20 appears to distinguish HC's from MDD's and may be a useful biomarker to aid biologic assessment as well as treatment. Lower nocturnal melatonin in MDD's highlights its importance in MDD's pathophysiology. Additional study with larger sample size is needed to confirm the results of this pilot study. The mechanism for this phase angle difference and decreased melatonin, itself, requires further study.
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Affiliation(s)
- Theresa M Buckley
- Dept. of Psychiatry and Behavioral Sciences, Stanford University Medical School, 401 Quarry Road, Stanford, CA 94305-5730, United States.
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Masruha MR, Lin J, de Souza Vieira DS, Minett TSC, Cipolla-Neto J, Zukerman E, Vilanova LCP, Peres MFP. Urinary 6-sulphatoxymelatonin levels are depressed in chronic migraine and several comorbidities. Headache 2009; 50:413-9. [PMID: 19817880 DOI: 10.1111/j.1526-4610.2009.01547.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To assess urinary 6-sulphatoxymelatonin levels in a large consecutive series of patients with migraine and several comorbidities (chronic fatigue, fibromyalgia, insomnia, anxiety, and depression) as compared with controls. BACKGROUND Urine analysis is widely used as a measure of melatonin secretion, as it is correlated with the nocturnal profile of plasma melatonin secretion. Melatonin has critical functions in human physiology and substantial evidence points to its importance in the regulation of circadian rhythms, sleep, and headache disorders. METHODS Urine samples were collected into a single plastic container over a 12-hour period from 8:00 pm to 8:00 am of the next day, and 6-sulphatoxymelatonin was measured by quantitative ELISA. All of the patients were given a detailed questionnaire about headaches and additionally answered the following questionnaires: Chalder fatigue questionnaire, Epworth somnolence questionnaire, State-Trait Anxiety Inventory, and the Beck Depression Inventory. RESULTS A total of 220 subjects were evaluated - 73 (33%) had episodic migraine, 73 (33%) had chronic migraine, and 74 (34%) were enrolled as control subjects. There was a strong correlation between the concentration of 6-sulphatoxymelatonin detected and chronic migraine. Regarding the comorbidities, this study objectively demonstrates an inverse relationship between 6-sulphatoxymelatonin levels and depression, anxiety, and fatigue. CONCLUSIONS To our knowledge, this is the first study to evaluate the relationship between the urinary concentration of melatonin and migraine comorbidities. These results support hypothalamic involvement in migraine pathophysiology.
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Affiliation(s)
- Marcelo R Masruha
- Department of Neurology and Neurosurgery - Federal University of São Paulo, São Paulo - Brazil
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Pandi-Perumal SR, Moscovitch A, Srinivasan V, Spence DW, Cardinali DP, Brown GM. Bidirectional communication between sleep and circadian rhythms and its implications for depression: Lessons from agomelatine. Prog Neurobiol 2009; 88:264-71. [DOI: 10.1016/j.pneurobio.2009.04.007] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Revised: 03/09/2009] [Accepted: 04/29/2009] [Indexed: 02/04/2023]
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Wang S, Zhang L, Lim G, Sung B, Tian Y, Chou CW, Hernstadt H, Rusanescu G, Ma Y, Mao J. A combined effect of dextromethorphan and melatonin on neuropathic pain behavior in rats. Brain Res 2009; 1288:42-9. [PMID: 19595681 DOI: 10.1016/j.brainres.2009.06.094] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2009] [Revised: 06/01/2009] [Accepted: 06/30/2009] [Indexed: 02/01/2023]
Abstract
Previous study has shown that administration of melatonin into the anterior cingulate cortex contralateral to peripheral nerve injury prevented exacerbation of mechanical allodynia with a concurrent improvement of depression-like behavior in Wistar-Kyoto (WKY) rats, a genetic variation of Wistar rats. In the present study, we examined the effect of the individual versus combined treatment of melatonin and/or dextromethorphan (DM), a clinically available N-methyl-d-aspartate (NMDA) receptor antagonist, on pain behaviors in WKY rats with chronic constriction sciatic nerve injury (CCI). Pain behaviors (thermal hyperalgesia and mechanical allodynia) were established at one week after CCI. WKY rats were then treated intraperitoneally with various doses of melatonin, DM or their combination once daily for the following week. At the end of this one-week treatment, behavioral tests were repeated in these same rats. While DM alone was effective in reducing thermal hyperalgesia at three tested doses (15, 30 or 60 mg/kg), it reduced mechanical allodynia only at high doses (30 or 60 mg/kg). By comparison, administration of melatonin alone was effective in reducing thermal hyperalgesia only at the highest dose (120 mg/kg, but not 30 or 60 mg/kg) tested in this experiment. Melatonin alone failed to reverse allodynia at all three tested doses (30, 60 and 120 mg/kg). However, the combined intraperitoneal administration of melatonin (30 mg/kg) and DM (15 mg/kg) effectively reversed both thermal hyperalgesia and mechanical allodynia although each individual dose alone did not reduce pain behaviors. These results suggest that a combination of melatonin with a clinically available NMDA receptor antagonist might be more effective than either drug alone for the treatment of neuropathic pain.
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Affiliation(s)
- Shuxing Wang
- MGH Center for Translational Pain Research, Department of Anesthesia and Critical Care, WACC 324, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
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Detanico BC, Piato ÂL, Freitas JJ, Lhullier FL, Hidalgo MP, Caumo W, Elisabetsky E. Antidepressant-like effects of melatonin in the mouse chronic mild stress model. Eur J Pharmacol 2009; 607:121-5. [DOI: 10.1016/j.ejphar.2009.02.037] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2008] [Revised: 01/29/2009] [Accepted: 02/09/2009] [Indexed: 10/21/2022]
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Pathophysiology of depression: role of sleep and the melatonergic system. Psychiatry Res 2009; 165:201-14. [PMID: 19181389 DOI: 10.1016/j.psychres.2007.11.020] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2007] [Revised: 09/13/2007] [Accepted: 11/12/2007] [Indexed: 11/23/2022]
Abstract
Profound disturbances in sleep architecture occur in major depressive disorders (MDD) and in bipolar affective disorders. Reduction in slow wave sleep, decreased latency of rapid eye movement (REM) sleep and abnormalities in the timing of REM/non-REM sleep cycles have all been documented in patients with MDD. It is thus evident that an understanding of the basic mechanisms of sleep regulation is essential for an analysis of the pathophysiology of depressive disorders. The suprachiasmatic nucleus (SCN), which functions as the body's master circadian clock, plays a major role in the regulation of the sleep/wakefulness rhythm and interacts actively with the homeostatic processes that regulate sleep. The control of melatonin secretion by the SCN, the occurrence of high concentrations of melatonin receptors in the SCN, and the suppression of electrical activity in the SCN by melatonin all underscore the major influence which this neurohormone has in regulating the sleep/wake cycle. The transition from wakefulness to high sleep propensity is associated with the nocturnal rise of endogenous melatonin secretion. Various lines of evidence show that depressed patients exhibit disturbances in both the amplitude and shape of the melatonin secretion rhythm and that melatonin can improve the quality of sleep in these patients. The choice of a suitable antidepressant that improves sleep quality is thus important while treating a depressive disorder. The novel antidepressant agomelatine, which combines the properties of a 5-HT(2C) antagonist and a melatonergic MT(1)/MT(2) receptor agonist, has been found very effective for resetting the disturbed sleep/wake cycle and in improving the clinical status of MDD. Agomelatine has also been found useful in treating sleep problems and improving the clinical status of patients suffering from seasonal affective disorder.
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Abstract
The pineal hormone melatonin has a clear 24 h rhythm with a nocturnal peak. Serum melatonin concentrations have been reported to be decreased in subgroups of patients with affective disorders. When clusters of clinical items were correlated with the maximal nocturnal melatonin levels, significant negative regressions were found for items interpreted as retardation symptoms, especially those related to emotional or conative functions. These results point to the possibility of a 'low melatonin syndrome' in depression, characterized by low nocturnal serum levels of melatonin, an abnormal dexamethasone suppression test, a disturbed 24 h rhythm in cortisol levels and a less pronounced daily and annual cyclic variation in depressive symptomatology. Healthy persons show a rebound increase of nocturnal serum melatonin levels following evening suppression by bright light. One hour of the same light exposure did not alter the nocturnal melatonin levels in patients with major depressive disorders. This indicates a possible alteration in the pineal response to environmental lighting in depressed patients. The studies reported support the hypothesis of a decreased pineal function in some types of affective disorders.
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