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Barlattani T, Soltmann B, D'Amelio C, Socci V, Pacitti F, Pompili M, Ritter P. The influence of PER3 VNTR genotypes on the age of onset in a group of bipolar I disorder patients: an exploratory study. Int J Bipolar Disord 2024; 12:25. [PMID: 38992306 PMCID: PMC11239620 DOI: 10.1186/s40345-024-00346-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 06/18/2024] [Indexed: 07/13/2024] Open
Abstract
BACKGROUND PER3 is a circadian gene that contains a variable number of tandem repeats (VNTR) which codifies for three genotypes: 4/4; 4/5; and 5/5 and is involved in non-visual response to light, a critical process associated with bipolar disorder onset. Benedetti et al. (Neurosci Lett 445(2):184-7) related this VNTR with bipolar disorder age of onset and linked genotype 5/5 with an earlier onset. In this study, we aimed to investigate these associations of PER3 VNTR genotypes with age of onset in a homogenous sample of German patients with bipolar I disorder through Kaplan-Meier curves. METHODS 45 patients were enrolled and divided into three groups according to PER3 VNTR genotypes. Recognizing common biological features, we built a combined group of -5 allele carriers (4/5 + 5/5). As a primary outcome, Kaplan-Meier analysis was conducted to delineate the three genotypes' influence on age of onset. The secondary Kaplan-Meier analysis aimed to evaluate the relation between the 4/4 homozygotes group and the combined group (4/5 + 5/5) with age of onset. Finally, we proceeded to compare groups through a Log Rank Test and performed an analysis of covariance (ANCOVA). RESULTS The Kaplan-Meier analysis with three separate genotypes didn't replicate the findings of Benedetti's study. The analysis comparing genotype 4/4 with the combined group showed the influence of PER3 VNTR variants on the age of onset and relates genotype 4/4 to an earlier onset. ANCOVA between the combined and the 4/4 genotype groups, correlated genotype 4/4 with an increased number of depressive episodes. CONCLUSION This study showed no significant effect of PER3 VNTR genotypes on the age of onset and in linking genotype 5/5 with an earlier onset age. Contrasting results may arise from intrinsic differences between the two studies but also shed light on hypothetically different levels of functioning of PER3 VNTR genotypes in the context of bipolar pathology. Further studies will require bigger and more homogeneous clinical samples.
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Affiliation(s)
- Tommaso Barlattani
- Chair of Psychiatry, Department of Biotechnological and Applied Clinical Sciences (DISCAB), University of L'Aquila, Via Vetoio, Coppito 2, L'Aquila, 67100, Italy.
| | - Bettina Soltmann
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Chiara D'Amelio
- Chair of Psychiatry, Department of Biotechnological and Applied Clinical Sciences (DISCAB), University of L'Aquila, Via Vetoio, Coppito 2, L'Aquila, 67100, Italy
| | - Valentina Socci
- Chair of Psychiatry, Department of Biotechnological and Applied Clinical Sciences (DISCAB), University of L'Aquila, Via Vetoio, Coppito 2, L'Aquila, 67100, Italy
| | - Francesca Pacitti
- Chair of Psychiatry, Department of Biotechnological and Applied Clinical Sciences (DISCAB), University of L'Aquila, Via Vetoio, Coppito 2, L'Aquila, 67100, Italy
| | - Maurizio Pompili
- Department of Neuroscience, Mental Health, and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Unit of Psychiatry, Sapienza University, Sant'Andrea University Hospital, Rome, Italy
| | - Philipp Ritter
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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Moustafa K. Variations in Citations Across Databases: Implications for Journal Impact Factors. Semin Ophthalmol 2024; 39:400-403. [PMID: 38415757 DOI: 10.1080/08820538.2024.2322428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2024] [Accepted: 02/10/2024] [Indexed: 02/29/2024]
Abstract
The Journal Impact Factor (JIF) is a widely used metric for ranking journals based on the number of citations garnered by papers published over a specific timeframe. To assess the accuracy of JIF values, I compared citation counts for 30 of my own publications across six major bibliography databases: CrossRef, Web of Science, Publisher records, Google Scholar, PubMed and Scopus. The analysis revealed noteworthy variations in citation counts, ranging from 10% to over 50% between the lowest and highest citation counts. Google Scholar records the highest citation numbers, while PubMed reported the lowest. Notably, Web of Science, whose citation data are used in JIF calculations, tend to underestimate citation counts compared to other databases. These observations raise concerns about the accuracy of JIF calculation based on Web of Science's citation data. The real JIF values for most journals would differ from those annually reported by Clarivate's journal citation reports (JCR). These citation discrepancies underscore the importance of comprehensive data collection and the necessity to include additional citation sources. Not because a paper is cited in one journal rather than another should it have a less or more citation weight. Ultimately, one citation remains one citation, regardless of its origin. Clarivate Analytics may thus need to consider integrating all citation sources for more accurate JIF values. Alternatively, Google Scholar could potentially develop its own journal or citation impact based on its extensive journal citation records. However, while making adjustments to how the Journal Impact Factor is calculated can make it more mathematically precise, it doesn't address the fundamental biases built into the metric. Even with refinements, the Journal Impact Factor will remain skewed due to how it's defined and used.
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Giri A, Mehan S, Khan Z, Das Gupta G, Narula AS, Kalfin R. Modulation of neural circuits by melatonin in neurodegenerative and neuropsychiatric disorders. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:3867-3895. [PMID: 38225412 DOI: 10.1007/s00210-023-02939-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/30/2023] [Indexed: 01/17/2024]
Abstract
Neurodegenerative and neuropsychiatric disorders are two broad categories of neurological disorders characterized by progressive impairments in movement and cognitive functions within the central and peripheral nervous systems, and have emerged as a significant cause of mortality. Oxidative stress, neuroinflammation, and neurotransmitter imbalances are recognized as prominent pathogenic factors contributing to cognitive deficits and neurobehavioral anomalies. Consequently, preventing neurodegenerative and neuropsychiatric diseases has surfaced as a pivotal challenge in contemporary public health. This review explores the investigation of neurodegenerative and neuropsychiatric disorders using both synthetic and natural bioactive compounds. A central focus lies on melatonin, a neuroregulatory hormone secreted by the pineal gland in response to light-dark cycles. Melatonin, an amphiphilic molecule, assumes multifaceted roles, including scavenging free radicals, modulating energy metabolism, and synchronizing circadian rhythms. Noteworthy for its robust antioxidant and antiapoptotic properties, melatonin exhibits diverse neuroprotective effects. The inherent attributes of melatonin position it as a potential key player in the pathophysiology of neurological disorders. Preclinical and clinical studies have demonstrated melatonin's efficacy in alleviating neuropathological symptoms across neurodegenerative and neuropsychiatric conditions (depression, schizophrenia, bipolar disorder, and autism spectrum disorder). The documented neuroprotective prowess of melatonin introduces novel therapeutic avenues for addressing neurodegenerative and psychiatric disorders. This comprehensive review encompasses many of melatonin's applications in treating diverse brain disorders. Despite the strides made, realizing melatonin's full neuroprotective potential necessitates further rigorous clinical investigations. By unravelling the extended neuroprotective benefits of melatonin, future studies promise to deepen our understanding and augment the therapeutic implications against neurological deficits.
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Affiliation(s)
- Aditi Giri
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India
| | - Sidharth Mehan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India.
- IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India.
| | - Zuber Khan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India
- IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India
| | | | - Acharan S Narula
- Narula Research, LLC, 107 Boulder Bluff, Chapel Hill, NC, 27516, USA
| | - Reni Kalfin
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Block 23, Sofia, 1113, Bulgaria
- Department of Healthcare, South-West University "NeofitRilski", Ivan Mihailov St. 66, Blagoevgrad, 2700, Bulgaria
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Freund N, Haussleiter I. Bipolar Chronobiology in Men and Mice: A Narrative Review. Brain Sci 2023; 13:738. [PMID: 37239210 PMCID: PMC10216184 DOI: 10.3390/brainsci13050738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
In patients with bipolar disorder, we do not only see a cycling of mood episodes, but also a shift in circadian rhythm. In the present overview, the circadian rhythm, the "internal clock", and their disruptions are briefly described. In addition, influences on circadian rhythms such as sleep, genetics, and environment are discussed. This description is conducted with a translational focus covering human patients as well as animal models. Concluding the current knowledge on chronobiology and bipolar disorder, implications for specificity and the course of bipolar disorder and treatment options are given at the end of this article. Taken together, circadian rhythm disruption and bipolar disorder are strongly correlated; the exact causation, however, is still unclear.
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Affiliation(s)
- Nadja Freund
- Division of Experimental and Molecular Psychiatry, Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr-University, 44791 Bochum, Germany;
| | - Ida Haussleiter
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr-University, 44791 Bochum, Germany
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Courtin C, Marie-Claire C, Gross G, Hennion V, Mundwiller E, Guégan J, Meyrel M, Bellivier F, Etain B. Gene expression of circadian genes and CIART in bipolar disorder: A preliminary case-control study. Prog Neuropsychopharmacol Biol Psychiatry 2023; 122:110691. [PMID: 36481223 DOI: 10.1016/j.pnpbp.2022.110691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 11/18/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
Based on the observed circadian rhythms disruptions and sleep abnormalities in bipolar disorders (BD), a chronobiological model has been proposed suggesting that core clock genes play a central role in the vulnerability to the disorder. In this context, the analysis of circadian genes expression levels is particularly relevant, however studies focused on the whole set of core clock genes are scarce. We compared the levels of expression of 19 circadian genes (including the recently described circadian repressor (CIART)) in 37 euthymic individuals with BD and 20 healthy controls (HC), using data obtained by RNA sequencing of lymphoblastoid cell lines and validated the results using RT-qPCR. RNA sequencing data showed that CIART gene expression was correlated with those of ARNTL, ARNTL2, DBP, PER2 and TIMELESS. Data from RNA sequencing showed that the level of expression of four circadian genes (ARNTL, ARNTL2, BHLHE41 and CIART) discriminated individuals with BD from HC. We replicated this result using RT-qPCR for ARNTL and CIART. This study suggests that an imbalance between activation/repression of the transcription within the circadian system in individuals with BD as compared to HC and as such opens avenues for further research in larger independent samples combining both expression and epigenetic analyses.
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Affiliation(s)
- Cindie Courtin
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France
| | - Cynthia Marie-Claire
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France.
| | - Gregory Gross
- Pôle Hospitalo-Universitaire de Psychiatrie d'Adultes et d'Addictologie du Grand Nancy, Centre Psychothérapique de Nancy, Laxou, France; Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Vincent Hennion
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France; Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | | | - Justine Guégan
- Data Analysis Core platform, Institut du Cerveau - Paris Brain Institute - ICM, Sorbonne Université, Inserm, CNRS, APHP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Manon Meyrel
- Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | - Frank Bellivier
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France; Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | - Bruno Etain
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France; Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
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Dim light melatonin patterns in unaffected offspring of parents with bipolar disorder: A case-control high-risk study. J Affect Disord 2022; 315:42-47. [PMID: 35878843 DOI: 10.1016/j.jad.2022.07.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/19/2022] [Accepted: 07/17/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Circadian dysregulation has long been thought to be a key component in the pathophysiology of bipolar disorder (BD). However, it remains unclear whether this dysregulation constitutes a risk factor, manifestation, or consequence of BD. This study aimed to compare dim light melatonin secretion patterns between unaffected offspring of parents with BD (OBD) and offspring of control parents (OCP). METHODS This case-control study included unaffected OBD (mean age 14.0 years; male 50.0 %) and age- and sex-matched OCP (mean age 13.0 years; male: 43.5 %). Seventeen saliva samples were collected in dim light conditions. Dim light melatonin onset (DLMO), phase angles, and area under the curve (AUC) were calculated. RESULTS 185 saliva samples from 12 OBD (n = 12) and 741 from OCP (n = 46) were collected. Unaffected OBD had a significant lower nocturnal melatonin level (14.8 ± 4.6 vs. 20.3 ± 11.7 pg/mL) and a smaller melatonin AUC within two hours after DLMO (35.5 ± 11.3 vs. 44.6 ± 18.1 pg/mL) but a significant larger phase angle between DLMO and sleep onset (2.2 ± 1.0 vs. 1.4 ± 1.2 h) than OCP. There was no significant between-group difference in DLMO. The graphic illustrations showed a considerably flattened melatonin secretion in unaffected OBD. LIMITATIONS The main limitations include lack of 24-h dim melatonin secretion measurement, large age range of participants, and small sample size. CONCLUSIONS These findings suggest that unaffected OBD already presented with circadian rhythm dysregulations. Future investigations are needed to clarify the role of abnormal melatonin secretion in the onset of BD.
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Gene Expression Profile Associated with Asmt Knockout-Induced Depression-Like Behaviors and Exercise Effects in Mouse Hypothalamus. Biosci Rep 2022; 42:231525. [PMID: 35771226 PMCID: PMC9284346 DOI: 10.1042/bsr20220800] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/16/2022] [Accepted: 06/29/2022] [Indexed: 11/17/2022] Open
Abstract
Sleep disorder caused by abnormal circadian rhythm is one of the main symptoms and risk factors of depression. As a known hormone regulating circadian rhythms, melatonin (MT) is also namely N-acetyl-5-methoxytryptamine. N-acetylserotonin methyltransferase (Asmt) is the key rate-limiting enzyme of MT synthesis and has been reportedly associated with depression. Although 50–90% of patients with depression have sleep disorders, there are no effective treatment ways in the clinic. Exercise can regulate circadian rhythm and play an important role in depression treatment. In the present study, we showed that Asmt knockout induced depression-like behaviors, which were ameliorated by swimming exercise. Moreover, swimming exercise increased serum levels of MT and 5-hydroxytryptamine (5-HT) in Asmt knockout mice. In addition, the microarray data identified 10 differentially expressed genes (DEGs) in KO mice compared with WT mice and 29 DEGs in KO mice after swimming exercise. Among the DEGs, the direction and magnitude of change in epidermal growth factor receptor pathway substrate 8-like 1 (Eps8l1) and phospholipase C-β 2 (Plcb2) were confirmed by qRT-PCR partly. Subsequent bioinformatic analysis showed that these DEGs were enriched significantly in the p53 signaling pathway, long-term depression and estrogen signaling pathway. In the protein–protein interaction (PPI) networks, membrane palmitoylated protein 1 (Mpp1) and p53-induced death domain protein 1 (Pidd1) were hub genes to participate in the pathological mechanisms of depression and exercise intervention. These findings may provide new targets for the treatment of depression.
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McCarthy MJ, Gottlieb JF, Gonzalez R, McClung CA, Alloy LB, Cain S, Dulcis D, Etain B, Frey BN, Garbazza C, Ketchesin KD, Landgraf D, Lee H, Marie‐Claire C, Nusslock R, Porcu A, Porter R, Ritter P, Scott J, Smith D, Swartz HA, Murray G. Neurobiological and behavioral mechanisms of circadian rhythm disruption in bipolar disorder: A critical multi-disciplinary literature review and agenda for future research from the ISBD task force on chronobiology. Bipolar Disord 2022; 24:232-263. [PMID: 34850507 PMCID: PMC9149148 DOI: 10.1111/bdi.13165] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AIM Symptoms of bipolar disorder (BD) include changes in mood, activity, energy, sleep, and appetite. Since many of these processes are regulated by circadian function, circadian rhythm disturbance has been examined as a biological feature underlying BD. The International Society for Bipolar Disorders Chronobiology Task Force (CTF) was commissioned to review evidence for neurobiological and behavioral mechanisms pertinent to BD. METHOD Drawing upon expertise in animal models, biomarkers, physiology, and behavior, CTF analyzed the relevant cross-disciplinary literature to precisely frame the discussion around circadian rhythm disruption in BD, highlight key findings, and for the first time integrate findings across levels of analysis to develop an internally consistent, coherent theoretical framework. RESULTS Evidence from multiple sources implicates the circadian system in mood regulation, with corresponding associations with BD diagnoses and mood-related traits reported across genetic, cellular, physiological, and behavioral domains. However, circadian disruption does not appear to be specific to BD and is present across a variety of high-risk, prodromal, and syndromic psychiatric disorders. Substantial variability and ambiguity among the definitions, concepts and assumptions underlying the research have limited replication and the emergence of consensus findings. CONCLUSIONS Future research in circadian rhythms and its role in BD is warranted. Well-powered studies that carefully define associations between BD-related and chronobiologically-related constructs, and integrate across levels of analysis will be most illuminating.
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Affiliation(s)
- Michael J. McCarthy
- UC San Diego Department of Psychiatry & Center for Circadian BiologyLa JollaCaliforniaUSA
- VA San Diego Healthcare SystemSan DiegoCaliforniaUSA
| | - John F. Gottlieb
- Department of PsychiatryFeinberg School of MedicineNorthwestern UniversityChicagoIllinoisUSA
| | - Robert Gonzalez
- Department of Psychiatry and Behavioral HealthPennsylvania State UniversityHersheyPennsylvaniaUSA
| | - Colleen A. McClung
- Department of PsychiatryUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Lauren B. Alloy
- Department of PsychologyTemple UniversityPhiladelphiaPennsylvaniaUSA
| | - Sean Cain
- School of Psychological Sciences and Turner Institute for Brain and Mental HealthMonash UniversityMelbourneVictoriaAustralia
| | - Davide Dulcis
- UC San Diego Department of Psychiatry & Center for Circadian BiologyLa JollaCaliforniaUSA
| | - Bruno Etain
- Université de ParisINSERM UMR‐S 1144ParisFrance
| | - Benicio N. Frey
- Department Psychiatry and Behavioral NeuroscienceMcMaster UniversityHamiltonOntarioCanada
| | - Corrado Garbazza
- Centre for ChronobiologyPsychiatric Hospital of the University of Basel and Transfaculty Research Platform Molecular and Cognitive NeurosciencesUniversity of BaselBaselSwitzerland
| | - Kyle D. Ketchesin
- Department of PsychiatryUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Dominic Landgraf
- Circadian Biology GroupDepartment of Molecular NeurobiologyClinic of Psychiatry and PsychotherapyUniversity HospitalLudwig Maximilian UniversityMunichGermany
| | - Heon‐Jeong Lee
- Department of Psychiatry and Chronobiology InstituteKorea UniversitySeoulSouth Korea
| | | | - Robin Nusslock
- Department of Psychology and Institute for Policy ResearchNorthwestern UniversityChicagoIllinoisUSA
| | - Alessandra Porcu
- UC San Diego Department of Psychiatry & Center for Circadian BiologyLa JollaCaliforniaUSA
| | | | - Philipp Ritter
- Clinic for Psychiatry and PsychotherapyCarl Gustav Carus University Hospital and Technical University of DresdenDresdenGermany
| | - Jan Scott
- Institute of NeuroscienceNewcastle UniversityNewcastleUK
| | - Daniel Smith
- Division of PsychiatryUniversity of EdinburghEdinburghUK
| | - Holly A. Swartz
- Department of PsychiatryUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Greg Murray
- Centre for Mental HealthSwinburne University of TechnologyMelbourneVictoriaAustralia
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Mylona I, Floros GD. Blue Light Blocking Treatment for the Treatment of Bipolar Disorder: Directions for Research and Practice. J Clin Med 2022; 11:jcm11051380. [PMID: 35268469 PMCID: PMC8911317 DOI: 10.3390/jcm11051380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/16/2022] [Accepted: 03/01/2022] [Indexed: 02/04/2023] Open
Abstract
Recent results from a small number of clinical studies have resulted in the suggestion that the process of blocking the transmission of shorter-wavelength light (‘blue light’ with a wave length of 450 nm to 470 nm) may have a beneficial role in the treatment of bipolar disorder. This critical review will appraise the quality of evidence so far as to these claims, assess the neurobiology that could be implicated in the underlying processes while introducing a common set of research criteria for the field.
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Affiliation(s)
- Ioanna Mylona
- 2nd Department of Ophthalmology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece;
| | - Georgios D. Floros
- 2nd Department of Psychiatry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
- Correspondence: ; Tel.: +30-69-4432-4565
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Roloff T, Haussleiter I, Meister K, Juckel G. Sleep disturbances in the context of neurohormonal dysregulation in patients with bipolar disorder. Int J Bipolar Disord 2022; 10:6. [PMID: 35229223 PMCID: PMC8885957 DOI: 10.1186/s40345-022-00254-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 01/31/2022] [Indexed: 12/27/2022] Open
Abstract
Background Sleep dysfunction is a core symptom in bipolar disorder (BD), especially during major mood episodes. This study investigated the possible link between subjective and objective sleep disturbances in inter-episode BD, changes in melatonin and cortisol levels, and circadian melatonin alignment. The study included 21 euthymic BD patients and 24 healthy controls. Participants had to wear an actigraphy device, keep a weekly sleep diary and take salivary samples: five samples on the last evening to determine the dim light melatonin onset (DLMO) and one the following morning to measure rising cortisol. Sleep quality was assessed by the Pittsburgh Sleep Quality Index (PSQI) and Regensburg Insomnia Scale (RIS), and circadian alignment by the phase angle difference (PAD). Results In comparison to healthy controls, BD patients had: (1) higher PSQI (5.52 ± 3.14 vs. 3.63 ± 2.18; p = 0.022) (significant after controlling for age and gender), and higher RIS scores (8.91 ± 5.43 vs. 5.83 ± 3.76; p = 0.031); (2) subjective a longer mean TST (p = 0.024) and TIB (p = 0.002) (both significant after controlling for age and gender), longer WASO (p = 0.019), and worse SE (p = 0.036) (significant after controlling for gender); (3) actigraphically validated earlier sleep onset (p = 0.002), less variation in sleep onset time (p = 0.005) and no longer TST (p = 0.176); (4) no differing melatonin levels (4.06 ± 2.77 vs. 3.35 ± 2.23 p = 0.352), an 1.65 h earlier DLMO (20.17 ± 1.63 vs. 21.82 ± 1.50; p = 0. 001) (significant after controlling for gender), and a phase advance of melatonin (6.35 ± 1.40 vs. 7.48 ± 1.53; p = 0.017) (significant after controlling for gender); and (5) no differing cortisol awakening response (16.97 ± 10.22 vs 17.06 ± 5.37 p = 0.969). Conclusions Patients with BD, even in euthymic phase, have a significantly worse perception of their sleep. Advanced sleep phases in BD might be worth further investigation and could help to explain the therapeutic effects of mood stabilizers such as lithium and valproate.
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Affiliation(s)
- Tom Roloff
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Alexandrinenstr. 1, 44791, Bochum, Germany
| | - Ida Haussleiter
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Alexandrinenstr. 1, 44791, Bochum, Germany
| | - Klara Meister
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Alexandrinenstr. 1, 44791, Bochum, Germany
| | - Georg Juckel
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Alexandrinenstr. 1, 44791, Bochum, Germany.
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11
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Maruani J, Geoffroy PA. Multi-Level Processes and Retina-Brain Pathways of Photic Regulation of Mood. J Clin Med 2022; 11:jcm11020448. [PMID: 35054142 PMCID: PMC8781294 DOI: 10.3390/jcm11020448] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 02/06/2023] Open
Abstract
Light exerts powerful biological effects on mood regulation. Whereas the source of photic information affecting mood is well established at least via intrinsically photosensitive retinal ganglion cells (ipRGCs) secreting the melanopsin photopigment, the precise circuits that mediate the impact of light on depressive behaviors are not well understood. This review proposes two distinct retina–brain pathways of light effects on mood: (i) a suprachiasmatic nucleus (SCN)-dependent pathway with light effect on mood via the synchronization of biological rhythms, and (ii) a SCN-independent pathway with light effects on mood through modulation of the homeostatic process of sleep, alertness and emotion regulation: (1) light directly inhibits brain areas promoting sleep such as the ventrolateral preoptic nucleus (VLPO), and activates numerous brain areas involved in alertness such as, monoaminergic areas, thalamic regions and hypothalamic regions including orexin areas; (2) moreover, light seems to modulate mood through orexin-, serotonin- and dopamine-dependent pathways; (3) in addition, light activates brain emotional processing areas including the amygdala, the nucleus accumbens, the perihabenular nucleus, the left hippocampus and pathways such as the retina–ventral lateral geniculate nucleus and intergeniculate leaflet–lateral habenula pathway. This work synthetizes new insights into the neural basis required for light influence mood
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Affiliation(s)
- Julia Maruani
- Département de Psychiatrie et d’Addictologie, AP-HP, GHU Paris Nord, DMU Neurosciences, Hôpital Bichat—Claude Bernard, F-75018 Paris, France
- NeuroDiderot, INSERM U1141, Université de Paris, F-75019 Paris, France
- Correspondence: (J.M.); (P.A.G.); Tel.: +33-(0)1-40-25-82-62 (J.M. & P.A.G.)
| | - Pierre A. Geoffroy
- Département de Psychiatrie et d’Addictologie, AP-HP, GHU Paris Nord, DMU Neurosciences, Hôpital Bichat—Claude Bernard, F-75018 Paris, France
- NeuroDiderot, INSERM U1141, Université de Paris, F-75019 Paris, France
- CNRS UPR 3212, Institute for Cellular and Integrative Neurosciences, 5 rue Blaise Pascal, F-67000 Strasbourg, France
- GHU Paris—Psychiatry & Neurosciences, 1 Rue Cabanis, F-75014 Paris, France
- Correspondence: (J.M.); (P.A.G.); Tel.: +33-(0)1-40-25-82-62 (J.M. & P.A.G.)
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12
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Wang YQ, Jiang YJ, Zou MS, Liu J, Zhao HQ, Wang YH. Antidepressant actions of melatonin and melatonin receptor agonist: Focus on pathophysiology and treatment. Behav Brain Res 2021; 420:113724. [PMID: 34929236 DOI: 10.1016/j.bbr.2021.113724] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/15/2021] [Accepted: 12/15/2021] [Indexed: 12/27/2022]
Abstract
Depression has become one of the most commonly prevalent neuropsychiatric disorders, and the main characteristics of depression are sleep disorders and melatonin secretion disorders caused by circadian rhythm disorders. Abnormal endogenous melatonin alterations can contribute to the occurrence and development of depression. However, molecular mechanisms underlying this abnormality remain ambiguous. The present review summarizes the mechanisms underlying the antidepressant effects of melatonin, which is related to its functions in the regulation of the hypothalamic-pituitary-adrenal axis, inhibition of neuroinflammation, inhibition of oxidative stress, alleviation of autophagy, and upregulation of neurotrophic, promotion of neuroplasticity and upregulation of the levels of neurotransmitters, etc. Also, melatonin receptor agonists, such as agomelatine, ramelteon, piromelatine, tasimelteon, and GW117, have received considerable critical attention and are highly implicated in treating depression and comorbid disorders. This review focuses on melatonin and various melatonin receptor agonists in the pathophysiology and treatment of depression, aiming to provide further insight into the pathogenesis of depression and explore potential targets for novel agent development.
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Affiliation(s)
- Ye-Qing Wang
- Institute of Innovation and Applied Research, Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Ya-Jie Jiang
- Institute of Innovation and Applied Research, Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Man-Shu Zou
- Institute of Innovation and Applied Research, Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Jian Liu
- The First Hospital, Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Hong-Qing Zhao
- Institute of Innovation and Applied Research, Hunan University of Chinese Medicine, Changsha, Hunan Province, China.
| | - Yu-Hong Wang
- Institute of Innovation and Applied Research, Hunan University of Chinese Medicine, Changsha, Hunan Province, China.
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13
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Grillault Laroche D, Curis E, Bellivier F, Nepost C, Gross G, Etain B, Marie-Claire C. Network of co-expressed circadian genes, childhood maltreatment and sleep quality in bipolar disorders. Chronobiol Int 2021; 38:986-993. [PMID: 33781139 DOI: 10.1080/07420528.2021.1903028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Bipolar disorder (BD) is a chronic and burdensome psychiatric disease, characterized by variations in mood and energy. The literature has consistently demonstrated an association between BD and childhood maltreatment (CM), and genetic variants of circadian genes have been associated with an increased vulnerability to develop BD. In this context, environmental factors such as CM may also contribute to the susceptibility to BD through alterations in the functioning of the biological clock linked to modifications of expression of circadian genes. In this study, we explored the associations between childhood maltreatment, sleep quality, and the level of expression of a comprehensive set of circadian genes in lymphoblastoid cell lines from patients with BD. The sample consisted of 52 Caucasian euthymic patients with a diagnosis of BD type 1 or type 2. The exposure to CM was assessed with the Childhood Trauma Questionnaire (CTQ), and the sleep quality was assessed using the Pittsburgh Sleep Quality Index. We measured the expression of 18 circadian genes using quantitative RT-PCR: ARNTL2, BHLHE40, BHLHE41, CLOCK, CRY1, CRY2, CSNK1D, CSNK1E, DBP, GSK3B, NPAS2, NR1D1, PER1, PER2, PER3, PPARGC1A, RORA, and RORB. Gene expression networks were analyzed with the disjoint graphs method. Compared to the other investigated transcripts, PPARGC1A was the only one whose expression level was differentially affected in patients who have experienced CM and, more specifically, physical abuse. We observed no significant effects of the other CTQ subscores (emotional and sexual abuses, physical and emotional neglects), nor of the sleep quality on the network of circadian genes expression. Although requiring replication in larger cohorts, the result obtained here is consistent with the hypothesis of an influence of CM exposure on circadian systems and highlights the importance of PPARGC1A in these processes.
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Affiliation(s)
- D Grillault Laroche
- Université de Paris, INSERM UMR-S 1144, Paris, France
- Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | - E Curis
- Laboratoire de Biomathématiques, Université de Paris, Paris, France
- Service de Biostatistique et Information Médicale, Paris, France
| | - F Bellivier
- Université de Paris, INSERM UMR-S 1144, Paris, France
- Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | - C Nepost
- Université de Paris, INSERM UMR-S 1144, Paris, France
| | - G Gross
- Université de Paris, INSERM UMR-S 1144, Paris, France
- Pôle Hospitalo-Universitaire de Psychiatrie d'Adultes et d'Addictologie du Grand Nancy, Centre Psychothérapique de Nancy, Laxou, France
- Faculté de Médecine, Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - B Etain
- Université de Paris, INSERM UMR-S 1144, Paris, France
- Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
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14
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Melhuish Beaupre LM, Brown GM, Gonçalves VF, Kennedy JL. Melatonin's neuroprotective role in mitochondria and its potential as a biomarker in aging, cognition and psychiatric disorders. Transl Psychiatry 2021; 11:339. [PMID: 34078880 PMCID: PMC8172874 DOI: 10.1038/s41398-021-01464-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 04/16/2021] [Accepted: 05/14/2021] [Indexed: 02/05/2023] Open
Abstract
Melatonin is an ancient molecule that is evident in high concentrations in various tissues throughout the body. It can be separated into two pools; one of which is synthesized by the pineal and can be found in blood, and the second by various tissues and is present in these tissues. Pineal melatonin levels display a circadian rhythm while tissue melatonin does not. For decades now, melatonin has been implicated in promoting and maintaining sleep. More recently, evidence indicates that it also plays an important role in neuroprotection. The beginning of our review will summarize this literature. As an amphiphilic, pleiotropic indoleamine, melatonin has both direct actions and receptor-mediated effects. For example, melatonin has established effects as an antioxidant and free radical scavenger both in vitro and in animal models. This is also evident in melatonin's prominent role in mitochondria, which is reviewed in the next section. Melatonin is synthesized in, taken up by, and concentrated in mitochondria, the powerhouse of the cell. Mitochondria are also the major source of reactive oxygen species as a byproduct of mitochondrial oxidative metabolism. The final section of our review summarizes melatonin's potential role in aging and psychiatric disorders. Pineal and tissue melatonin levels both decline with age. Pineal melatonin declines in individuals suffering from psychiatric disorders. Melatonin's ability to act as a neuroprotectant opens new avenues of exploration for the molecule as it may be a potential treatment for cases with neurodegenerative disease.
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Affiliation(s)
- Lindsay M Melhuish Beaupre
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - Gregory M Brown
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Vanessa F Gonçalves
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - James L Kennedy
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada.
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
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15
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Yang SY, Hong KS, Cho Y, Cho EY, Choi Y, Kim Y, Park T, Ha K, Baek JH. Association between the Arylalkylamine N-Acetyltransferase (AANAT) Gene and Seasonality in Patients with Bipolar Disorder. Psychiatry Investig 2021; 18:453-462. [PMID: 33993688 PMCID: PMC8169335 DOI: 10.30773/pi.2020.0436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/04/2021] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE Bipolar disorder (BD) is complex genetic disorder. Therefore, approaches using clinical phenotypes such as biological rhythm disruption could be an alternative. In this study, we explored the relationship between melatonin pathway genes with circadian and seasonal rhythms of BD. METHODS We recruited clinically stable patients with BD (n=324). We measured the seasonal variation of mood and behavior (seasonality), and circadian preference, on a lifetime basis. We analyzed 34 variants in four genes (MTNR1a, MTNR1b, AANAT, ASMT) involved in the melatonin pathway. RESULTS Four variants were nominally associated with seasonality and circadian preference. After multiple test corrections, the rs116879618 in AANAT remained significantly associated with seasonality (corrected p=0.0151). When analyzing additional variants of AANAT through imputation, the rs117849139, rs77121614 and rs28936679 (corrected p=0.0086, 0.0154, and 0.0092) also showed a significant association with seasonality. CONCLUSION This is the first study reporting the relationship between variants of AANAT and seasonality in patients with BD. Since AANAT controls the level of melatonin production in accordance with light and darkness, this study suggests that melatonin may be involved in the pathogenesis of BD, which frequently shows a seasonality of behaviors and symptom manifestations.
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Affiliation(s)
- So Yung Yang
- Department of Psychiatry, National Health Insurance Service Ilsan Hospital, Goyang, Republic of Korea.,Institute of Behavioral and Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyung Sue Hong
- Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea.,Center for Clinical Research, Samsung Biomedical Research Institute, Seoul, Republic of Korea
| | - Youngah Cho
- Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Eun-Young Cho
- Center for Clinical Research, Samsung Biomedical Research Institute, Seoul, Republic of Korea
| | - Yujin Choi
- Center for Clinical Research, Samsung Biomedical Research Institute, Seoul, Republic of Korea
| | - Yongkang Kim
- Department of Statistics, Seoul National University, Seoul, Republic of Korea
| | - Taesung Park
- Department of Statistics, Seoul National University, Seoul, Republic of Korea
| | - Kyooseob Ha
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea.,Institute of Human Behavioral Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ji Hyun Baek
- Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea
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16
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Dmitrzak-Weglarz M, Banach E, Bilska K, Narozna B, Szczepankiewicz A, Reszka E, Jablonska E, Kapelski P, Skibinska M, Pawlak J. Molecular Regulation of the Melatonin Biosynthesis Pathway in Unipolar and Bipolar Depression. Front Pharmacol 2021; 12:666541. [PMID: 33981243 PMCID: PMC8107693 DOI: 10.3389/fphar.2021.666541] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/06/2021] [Indexed: 12/11/2022] Open
Abstract
Melatonin is a neurohormone that maintains the circadian rhythms of the body. By regulating the secretion of other hormones and neurotransmitters, it acts as a pleiotropic modulator that affects, for example, reproductive, immune, cardiovascular, sleep, and wake systems and mood. Thus, synthetic melatonin has become an essential component in the treatment of depressive disorders. Although we know the pathway of melatonin action in the brain, we lack comprehensive cross-sectional studies on the periphery of depressed patients. This study aimed to comprehensively analyze the differences between healthy control subjects (n = 84) and unipolar and bipolar depression patients (n = 94), including an analysis of the melatonin pathway at the level of the genes and serum biomarkers. An innovative approach is a pilot study based on gene expression profiling carried out on clinical and cell culture models using agomelatine and melatonin. We confirmed the melatonin biosynthesis pathway's molecular regulation dysfunctions, with a specific pattern for unipolar and bipolar depression, at the AANAT gene, its polymorphisms (rs8150 and rs3760138), and examined the serum biomarkers (serotonin, AANAT, ASMT, and melatonin). The biological pathway analysis uncovered pathways and genes that were uniquely altered after agomelatine treatment in a clinical model and melatonin treatment in a cell culture model. In both models, we confirmed the immunomodulatory effect of melatonin agents in depression.
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Affiliation(s)
| | - Ewa Banach
- Laboratory of Neurobiology, Department of Molecular and Cellular Neurobiology, Nencki Institute, Warsaw, Poland
| | - Karolina Bilska
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Beata Narozna
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, Poznan, Poland
| | - Aleksandra Szczepankiewicz
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, Poznan, Poland
| | - Edyta Reszka
- Department of Molecular Genetics and Epigenetics, Nofer Institute of Occupational Medicine, Lodz, Poland
| | - Ewa Jablonska
- Department of Molecular Genetics and Epigenetics, Nofer Institute of Occupational Medicine, Lodz, Poland
| | - Paweł Kapelski
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Maria Skibinska
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Pawlak
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
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17
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Geoffroy PA, Palagini L. Biological rhythms and chronotherapeutics in depression. Prog Neuropsychopharmacol Biol Psychiatry 2021; 106:110158. [PMID: 33152388 DOI: 10.1016/j.pnpbp.2020.110158] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/14/2020] [Accepted: 10/27/2020] [Indexed: 12/28/2022]
Abstract
Depressive syndromes are frequent and heterogeneous brain conditions with more than 90% of patients suffering from sleep complaints. Better characterizing this "sleep" domain may allow to both better treat acute episodes with existing chronotherapeutics, but also to prevent the manifestation or recurrences of mood disorders. This work aims to i) review theoretical and fundamental data of chronotherapeutics, and ii) provide practical recommendations. Light therapy (LT) can be used as a first-line monotherapy of moderate to severe depression of all subtypes. LT can be also used as a combination with antidepressant to maximize patients' response rates, which has a clear superiority to antidepressant alone. Sleep deprivation (SD) is a rapid and powerful chronotherapeutic with antidepressant responses within hours in 45-60% of patients with unipolar or bipolar depression. Different strategies should be combined to stabilize the SD antidepressant effect, including concomitant medications, repeated SD, combination with sleep phase advance and/or LT (triple chronotherapy). Melatonin treatment is of interest in remitted patients with mood disorder to prevent relapses or recurrences, if a complaint of insomnia, poor sleep quality or phase delay syndrome is associated. During the acute phase, melatonin could be used as an adjuvant treatment for symptoms of insomnia associated with depression. The cognitive behavioral therapy for insomnia (CBT-I) can be recommend to treat insomnia during euthymic phases. The Interpersonal and social rhythm therapy (IPSRT) is indicated for the acute treatment of bipolar depression and for the prevention of mood episodes. Chronotherapeutics should always be associated with behavioral measures for healthy sleep.
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Affiliation(s)
- Pierre A Geoffroy
- Département de psychiatrie et d'addictologie, AP-HP, GHU Paris Nord, DMU Neurosciences, Hopital Bichat - Claude Bernard, F-75018 Paris, France; GHU Paris - Psychiatry & Neurosciences, 1 rue Cabanis, 75014 Paris, France; Université de Paris, NeuroDiderot, Inserm, F-75019 Paris, France.
| | - Laura Palagini
- Department of Clinical and Experimental Medicine, Psychiatric Section, University of Pisa; Azienda Ospedaliera Universitaria Pisana (AUOP), Pisa, Italy
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18
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Calkin C, McClelland C, Cairns K, Kamintsky L, Friedman A. Insulin Resistance and Blood-Brain Barrier Dysfunction Underlie Neuroprogression in Bipolar Disorder. Front Psychiatry 2021; 12:636174. [PMID: 34113269 PMCID: PMC8185298 DOI: 10.3389/fpsyt.2021.636174] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/30/2021] [Indexed: 12/12/2022] Open
Abstract
Bipolar disorder (BD) often progresses to a more chronic and treatment resistant (neuroprogressive) course. Identifying which patients are at risk could allow for early intervention and prevention. Bipolar disorder is highly comorbid with metabolic disorders including type II diabetes mellitus (T2DM), hypertension, obesity, and dyslipidemia. Our studies have shown that insulin resistance (IR) is present in over 50% of patients with BD and that IR might underlie the progression of BD. While no confirmed predictors exist for identifying which patients with BD are likely to develop a more chronic course, emerging evidence including our own studies suggest that IR and related inflammatory pathways lead to impairments in blood-brain barrier (BBB) functioning. For the first time in living psychiatric patients, we have shown that the severity of BBB leakage is proportional to BD severity and is associated with IR. In this hypothesis paper we (i) highlight the evidence for a key role of IR in BD, (ii) show how IR in BD relates to shared inflammatory pathways, and (iii) hypothesize that these modulations result in BBB leakage and worse outcomes in BD. We further hypothesize that (iv) reversing IR through lifestyle changes or the actions of insulin sensitizing medications such as metformin, or optimizing BBB function using vascular protective drugs, such as losartan, could provide novel strategies for the prevention or treatment of neuroprogressive BD.
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Affiliation(s)
- Cynthia Calkin
- Department of Psychiatry, Dalhousie University, Halifax, NS, Canada.,Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada
| | | | | | - Lyna Kamintsky
- Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada
| | - Alon Friedman
- Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada.,Departments of Cell Biology and Physiology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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19
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Rosenthal SJ, Josephs T, Kovtun O, McCarty R. Seasonal effects on bipolar disorder: A closer look. Neurosci Biobehav Rev 2020; 115:199-219. [DOI: 10.1016/j.neubiorev.2020.05.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 05/22/2020] [Accepted: 05/25/2020] [Indexed: 11/15/2022]
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20
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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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21
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Hu W, Tang J, Zhang Z, Tang Q, Yan Y, Wang P, Wang X, Liu Q, Guo X, Jin M, Zhang Y, Di R, Chu M. Polymorphisms in the ASMT and ADAMTS1 gene may increase litter size in goats. Vet Med Sci 2020; 6:775-787. [PMID: 32529744 PMCID: PMC7738733 DOI: 10.1002/vms3.301] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Prolificacy of most local goat breeds in China is low. Jining Grey goat is one of the most prolific goat breeds in China, it is an important goat breed for the rural economy. ASMT (acetylserotonin O‐methyltransferase) and ADAMTS1 (ADAM metallopeptidase with thrombospondin type 1 motif) are essential for animal reproduction. Single nucleotide polymorphisms (SNPs) of ASMT and ADAMTS1 genes in the highly prolific breed (Jining Grey goats), medium prolific breed (Boer goats and Guizhou White goats) and low prolific breeds (Angora goats, Liaoning Cashmere goats and Inner Mongolia Cashmere goats) were detected by polymerase chain reaction‐restriction fragment length polymorphism and sequencing. Two SNPs (g.158122T>C, g.158700G>A) of ASMT gene and two SNPs (g.7979798A>G, g.7979477C>T) of ADAMTS1 gene were identified. For g.158122T>C of ASMT gene, further analysis revealed that genotype TC or CC had 0.66 (p < 0.05) or 0.75 (p < 0.05) kids more than those with genotype TT in Jining Grey goats. No significant difference (p > 0.05) was found in litter size between TC and CC genotypes. The SNP (g.158122T>C) caused a p.Tyr298His change and this SNP mutation resulted in changes in protein binding sites and macromolecule‐binding sites. The improvement in reproductive performance may be due to changes in the structure of ASMT protein. For g.7979477C>T of ADAMTS1 gene, Jining Grey does with genotype CT or TT had 0.82 (p < 0.05) or 0.86 (p < 0.05) more kids than those with genotype CC. No significant difference (p > 0.05) was found in litter size between CT or TT genotypes. These results preliminarily indicated that C allele (g.158122T>C) of ASMT gene and T allele (g.7979477C>T) of ADAMTS1 gene are potential molecular markers which could improve litter size of Jining Grey goats and be used in goat breeding.
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Affiliation(s)
- Wenping Hu
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Jishun Tang
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China.,Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, Hefei, PR China
| | - Zhuangbiao Zhang
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Qianqian Tang
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Yan Yan
- Bioengineering College, Chongqing University, Chongqing, PR China
| | - Pinqing Wang
- Bioengineering College, Chongqing University, Chongqing, PR China
| | - Xiangyu Wang
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Qiuyue Liu
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Xiaofei Guo
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Mei Jin
- College of Life Science, Liaoning Normal University, Dalian, PR China
| | - Yingjie Zhang
- College of Animal Science and Technology, Agricultural University of Hebei, Baoding, PR China
| | - Ran Di
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
| | - Mingxing Chu
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
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22
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Chen Y, Hong W, Fang Y. Role of biological rhythm dysfunction in the development and management of bipolar disorders: a review. Gen Psychiatr 2020; 33:e100127. [PMID: 32090195 PMCID: PMC7003374 DOI: 10.1136/gpsych-2019-100127] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/24/2019] [Accepted: 11/28/2019] [Indexed: 01/10/2023] Open
Abstract
Disturbance of biological rhythms contributes to the onset of bipolar disorders and is an important clinical feature of the condition. To further explore the role of biological rhythms in bipolar disorders, 95 English articles published between 1968 and 2019 were retrieved from the PubMed database and analysed. We herein review the outcomes of studies on biological rhythm disturbance in bipolar disorders, including the epidemiology, aetiology, clinical features (eg, sleep, feeding and eating disorders) and treatment of the condition evaluated by patients’ self-report and biological indicators such as melatonin. Our report supports the characterisation of biological rhythm disturbance as a significant clinical feature affecting the onset and development of bipolar disorders and reviews classical and novel treatments, such as chronotherapy, that can be applied in the clinical practice. Our analysis indicates that a more comprehensive study of the pathophysiology, clinical phenomenology and treatment of biological rhythm disturbance is required.
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Affiliation(s)
- Yiming Chen
- Clinical Research Center & Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wu Hong
- Clinical Research Center & Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiru Fang
- Clinical Research Center & Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Psychotic Disorders, Shanghai, China.,CAS Center for Excellence in Brain Science and Intelligence Technology, Shanghai, China
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23
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Betti L, Palego L, Demontis GC, Miraglia F, Giannaccini G. Hydroxyindole- O-methyltransferase (HIOMT) activity in the retina of melatonin-proficient mice. Heliyon 2019; 5:e02417. [PMID: 31687544 PMCID: PMC6819757 DOI: 10.1016/j.heliyon.2019.e02417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 07/19/2019] [Accepted: 09/02/2019] [Indexed: 01/02/2023] Open
Abstract
Numerous pieces of evidence support the expression by the mammalian retina of Hydroxyindole-O-methyltransferase (HIOMT, EC 2.1.1.4), the enzyme directly responsible for the biosynthesis of the pineal chronobiotic hormone melatonin (MLT). However, conflicting results obtained so far by enzyme-kinetic and immune-detection techniques still make HIOMT presence and relevance in the eye a matter of debate. This work aimed at evaluating unambiguously HIOMT activity in the mouse retina, a valuable model for studying the effects of MLT variations on ocular pathophysiology. Since laboratory mouse strains can bear genetic polymorphisms yielding defective enzymes of MLT biosynthesis, retinas and control pineal glands used in this study were obtained in a MLT-proficient crossing of A/J mice, the A/J/C57BL/10 strain. To improve the radiochemical reference assay, we tested different homogenization procedures coupled with HPLC detection. Concomitantly, we quantified MLT, and its precursor N-acetyl-serotonin (NAS) by HPLC coupled to electrochemical detection in retinas isolated from either light- or dark-adapted mice. Results showed that the standard radio-chemical assay was successful for pineal HIOMT only, whereas specific homogenization buffers and HPLC were required to detect retinal activity, presumably due to interfering methyl-transferases inhibited by NAS. Under present conditions, retinal HIOMT Vmax accounted for by ≈ 40 fmol/h/mg protein, 2.6-hundreds-fold lower than the pineal counterpart, displaying equivalent KMs (≈10 μM). Moreover, NAS and MLT rapidly decreased in light-exposed isolated retinas, corroborating light-sensitive in-situ MLT formation. Conclusively, we measured mouse retinal HIOMT kinetics under basal conditions, a useful result to elucidate the regulatory patterns, the possible impact on eye health, and therapeutic approaches related to this enzyme.
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Affiliation(s)
- Laura Betti
- Department of Pharmacy, Via Bonanno 6, University of Pisa, 56126 Pisa, Italy
- Corresponding author.
| | - Lionella Palego
- Department of Clinical and Experimental Medicine, Via Savi 10, University of Pisa, 56126 Pisa, Italy
- Corresponding author.
| | - Gian Carlo Demontis
- Department of Pharmacy, Via Bonanno 6, University of Pisa, 56126 Pisa, Italy
| | - Fabiana Miraglia
- Department of Pharmacy, Via Bonanno 6, University of Pisa, 56126 Pisa, Italy
| | - Gino Giannaccini
- Department of Pharmacy, Via Bonanno 6, University of Pisa, 56126 Pisa, Italy
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24
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Kato T. Current understanding of bipolar disorder: Toward integration of biological basis and treatment strategies. Psychiatry Clin Neurosci 2019; 73:526-540. [PMID: 31021488 DOI: 10.1111/pcn.12852] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 04/19/2019] [Accepted: 04/22/2019] [Indexed: 12/18/2022]
Abstract
Biological studies of bipolar disorder initially focused on the mechanism of action for antidepressants and antipsychotic drugs, and the roles of monoamines (e.g., serotonin, dopamine) have been extensively studied. Thereafter, based on the mechanism of action of lithium, intracellular signal transduction systems, including inositol metabolism and intracellular calcium signaling, have drawn attention. Involvement of intracellular calcium signaling has been supported by genetics and cellular studies. Elucidation of the neural circuits affected by calcium signaling abnormalities is critical, and our previous study suggested a role of the paraventricular thalamic nucleus. The genetic vulnerability of mitochondria causes calcium dysregulation and results in the hyperexcitability of serotonergic neurons, which are suggested to be susceptible to oxidative stress. Efficacy of anticonvulsants, animal studies of candidate genes, and studies using induced pluripotent stem cell-derived neurons have suggested a relation between bipolar disorder and the hyperexcitability of neurons. Recent genetic findings suggest the roles of polyunsaturated acids. At the systems level, social rhythm therapy targets circadian rhythm abnormalities, and cognitive behavioral therapy may target emotion/cognition (E/C) imbalance. In the future, pharmacological and psychosocial treatments may be combined and optimized based on the biological basis of each patient, which will realize individualized treatment.
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Affiliation(s)
- Tadafumi Kato
- Laboratory for Molecular Dynamics of Mental Disorders, RIKEN Center for Brain Science, Wako, Japan
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25
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Bailey O, Combs D, Sans-Fuentes M, Havens CM, Grandner MA, Poongkunran C, Patel S, Berryhill S, Provencio N, Quan SF, Parthasarathy S. Delayed Sleep Time in African Americans and Depression in a Community-Based Population. J Clin Sleep Med 2019; 15:857-864. [PMID: 31138383 DOI: 10.5664/jcsm.7836] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 02/08/2019] [Indexed: 12/14/2022]
Abstract
STUDY OBJECTIVES Studies have shown racial differences in circadian rhythm in African Americans when compared to non-Hispanic whites, and an association between circadian dyssynchrony and depression. We hypothesized that the prevalence of delayed sleep time is greater in African Americans when compared to whites and that delayed sleep time is associated with depression. METHODS We analyzed data from the Sleep Heart Health Study (SHHS), a large community-based sample. Delayed sleep time was defined as self-reported weeknight bedtime after midnight. Depression was defined based on participant's response to the question, "In the past 4 weeks have you felt downhearted and blue?" or reported antidepressant use. We performed multivariate linear and logistic regression, adjusting for age, sex, race, body mass index, smoking, apnea-hypopnea index, alcohol use, and caffeine consumption. RESULTS Adjusted weekday bedtime was 15 ± 7 minutes later in African Americans compared to whites (P < .001). Similarly, weekend bedtime was 18 ± 7 minutes later in African Americans compared to whites (P = .025). The prevalence of delayed sleep time was greater in African Americans (33.3%) compared to whites (18.7%; P < .001). After adjusting for confounders, when compared to whites, a greater proportion of African Americans had delayed sleep time (adjusted odds ratio [aOR] 2.03; 95% confidence interval [95% CI] 1.5, 2.4; P < .0001). Depression was independently associated with delayed sleep time after adjustment (aOR 1.4; 95% CI 1.1, 1.7; P = .007). CONCLUSIONS African Americans are more likely to have a delayed sleep time compared to whites, and delayed sleep time was independently associated with depression.
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Affiliation(s)
- Omavi Bailey
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, Arizona
| | - Daniel Combs
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, Arizona.,Department of Pediatrics, University of Arizona, Tucson, Arizona
| | - Maria Sans-Fuentes
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona
| | - Cody M Havens
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Department of Integrative Life Sciences, Virginia Commonwealth University, Richmond, Virginia.,Virginia Institute of Psychiatric, Behavioral, and Statistical Genetics, Virginia Commonwealth University, Richmond, Virginia
| | - Michael A Grandner
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Department of Psychiatry, University of Arizona, Tucson
| | - Chithra Poongkunran
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, Arizona
| | - Sarah Patel
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, Arizona
| | - Sarah Berryhill
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona
| | - Natalie Provencio
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona
| | - Stuart F Quan
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.,Asthma and Airways Disorders Research Center, University of Arizona, Tucson, Arizona
| | - Sairam Parthasarathy
- UAHS Center for Sleep and Circadian Sciences, University of Arizona, Tucson, Arizona.,Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, Arizona.,Asthma and Airways Disorders Research Center, University of Arizona, Tucson, Arizona
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26
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Paul MA, Love RJ, Jetly R, Richardson JD, Lanius RA, Miller JC, MacDonald M, Rhind SG. Blunted Nocturnal Salivary Melatonin Secretion Profiles in Military-Related Posttraumatic Stress Disorder. Front Psychiatry 2019; 10:882. [PMID: 31866882 PMCID: PMC6910089 DOI: 10.3389/fpsyt.2019.00882] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 11/08/2019] [Indexed: 12/16/2022] Open
Abstract
Background: Sleep disturbances are a hallmark of posttraumatic stress disorder (PTSD), yet few studies have evaluated the role of dysregulated endogenous melatonin secretion in this condition. Methods: This study compared the sleep quality and nocturnal salivary melatonin profiles of Canadian Armed Forces (CAF) personnel diagnosed with PTSD, using the Clinician Administered PTSD Scale (CAPS score ≥50), with two healthy CAF control groups; comprising, a "light control" (LC) group with standardized evening light exposure and "normal control" (NC) group without light restriction. Participants were monitored for 1-week using wrist actigraphy to assess sleep quality, and 24-h salivary melatonin levels were measured (every 2h) by immunoassay on the penultimate day in a dim-light (< 5 lux) laboratory environment. Results: A repeated measures design showed that mean nocturnal melatonin concentrations for LC were higher than both NC (p = .03) and PTSD (p = .003) with no difference between PTSD and NC. Relative to PTSD, NC had significantly higher melatonin levels over a 4-h period (01 to 05 h), whereas the LC group had higher melatonin levels over an 8-h period (23 to 07 h). Actigraphic sleep quality parameters were not different between healthy controls and PTSD patients, likely due to the use of prescription sleep medications in the PTSD group. Conclusions: These results indicate that PTSD is associated with blunted nocturnal melatonin secretion, which is consistent with previous findings showing lower melatonin after exposure to trauma and suggestive of severe chronodisruption. Future studies targeting the melatonergic system for therapeutic intervention may be beneficial for treatment-resistant PTSD.
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Affiliation(s)
- Michel A Paul
- Defence Research & Development Canada, Toronto Research Centre, Operational Health and Performance Section, Toronto, ON, Canada
| | - Ryan J Love
- Defence Research & Development Canada, Toronto Research Centre, Operational Health and Performance Section, Toronto, ON, Canada
| | - Rakesh Jetly
- Directorate of Mental Health, Canadian Forces Health Services, Ottawa, ON, Canada
| | - J Donald Richardson
- Department of Psychiatry, Western University, London, ON, Canada.,Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.,Operational Stress Injury Clinic, Parkwood Institute, London, ON, Canada.,MacDonald Franklin Operational Stress Injury Research Centre, Lawson Research Institute, London, ON, Canada
| | - Ruth A Lanius
- Department of Psychiatry, Western University, London, ON, Canada.,Department of Neuroscience, Western University, London, ON, Canada
| | - James C Miller
- Department of Life Sciences, Texas A&M University Corpus Christi, Corpus Christi, TX, United States
| | - Michael MacDonald
- Directorate of Mental Health, Canadian Forces Health Services, Ottawa, ON, Canada
| | - Shawn G Rhind
- Defence Research & Development Canada, Toronto Research Centre, Operational Health and Performance Section, Toronto, ON, Canada
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27
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Kurtulus Dereli A, Demırci GN, Dodurga Y, Özbal S, Cankurt U, Boz B, Adiguzel E, Acar K. Evaluation of human pineal gland acetylserotonin O-methyltransferase immunoreactivity in suicide: A preliminary study. MEDICINE, SCIENCE, AND THE LAW 2018; 58:233-238. [PMID: 30185109 DOI: 10.1177/0025802418797178] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Disorders of the serotonergic system are especially known to be present in the neurobiology of suicidal behavior. Studies investigating melatonin levels show that changes in pineal gland functions may also play a role in the pathogenesis of suicide. However, to our knowledge, there are no studies evaluating the activity of pinealocytes responsible for melatonin synthesis in suicide. This preliminary study aimed to investigate the relationship among pinealocyte, acetylserotonin O-methyltransferase (ASMT) immunoreactivity, and suicide. Samples of pineal gland, cerebrospinal fluid, blood, and urine were obtained from 21 suicide and 21 non-suicide cases on which medicolegal autopsies were performed. Expression of ASMT in human pineal gland was evaluated by immunohistochemical methods. A scoring system was used to define the anti-ASMT-positive staining in the sections. Enzyme-linked immunosorbent assays were employed to assess serum and cerebrospinal fluid melatonin levels and blood and urine noradrenaline levels. The ASMT-immunopositive pinealocyte count was observed to be lower in suicide cases compared to the non-suicide cases. With the exception of two cases (with moderate staining), all graded scores were 3 (strong staining) in non-suicide group, whereas scores were 1 (mild staining) or 2 (moderate staining) in the suicide group. Melatonin levels in the blood were lower among the suicide victims. These results support decreased pineal gland activity in suicide. However, further studies are needed to assess whether these changes are related to a psychiatric disorder.
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28
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Dey SK, Kamle A, Dereddi RR, Thomas SM, Thummala SR, Kumar A, Chakravarty S, Jesudasan RA. Mice With Partial Deletion of Y-Heterochromatin Exhibits Stress Vulnerability. Front Behav Neurosci 2018; 12:215. [PMID: 30297990 PMCID: PMC6160548 DOI: 10.3389/fnbeh.2018.00215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 08/27/2018] [Indexed: 12/15/2022] Open
Abstract
The role of Y chromosome in sex determination and male fertility is well established. It is also known that infertile men are prone to psychological disturbances. Earlier studies in the laboratory identified genes expressed in testes that are putatively regulated by Y chromosome in man and mouse. With the availability of a Y-deleted mouse model, that is subfertile, we studied the effect of a partial deletion of Y-chromosomal heterochromatin on mouse behavior when compared to its wild type. The partial Y-deleted mice exhibited anxiety like phenotype under stress when different anxiety (open field test and elevated plus maze, EPM test) and depression related tests (tail suspension and force swim) were performed. The mutant mice also showed reduction in hippocampal neurogenesis and altered expression of neurogenesis markers such as Nestin, Sox2, Gfap, NeuroD1 and Dcx using quantitative real time PCR (qPCR) analysis. The genes with altered expression contained short stretches of homology to Y-derived transcripts only in their Untranslated Regions (UTRs). Our study suggests putative regulation of these genes by the Y chromosome in mouse brain altering stress related behavior.
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Affiliation(s)
- Sandeep Kumar Dey
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
- CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Avijeet Kamle
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
| | | | - Shiju M. Thomas
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
| | | | - Arvind Kumar
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
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29
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Maruani J, Anderson G, Etain B, Lejoyeux M, Bellivier F, Geoffroy PA. The neurobiology of adaptation to seasons: Relevance and correlations in bipolar disorders. Chronobiol Int 2018; 35:1335-1353. [DOI: 10.1080/07420528.2018.1487975] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Julia Maruani
- Inserm, U1144, Paris, France
- Université Paris Descartes, UMR-S 1144, Paris, France
- Université Paris Diderot, Sorbonne Paris Cité, UMR-S 1144, Paris, France
- AP-HP, GH Saint-Louis – Lariboisière – F. Widal, Pôle de Psychiatrie et de Médecine Addictologique, Paris, France
- Fondation FondaMental, Créteil, France
| | | | - Bruno Etain
- Inserm, U1144, Paris, France
- Université Paris Descartes, UMR-S 1144, Paris, France
- Université Paris Diderot, Sorbonne Paris Cité, UMR-S 1144, Paris, France
- AP-HP, GH Saint-Louis – Lariboisière – F. Widal, Pôle de Psychiatrie et de Médecine Addictologique, Paris, France
- Fondation FondaMental, Créteil, France
| | - Michel Lejoyeux
- Université Paris Diderot, Sorbonne Paris Cité, UMR-S 1144, Paris, France
- Department of Epidemiology, Paris Hospital Group – Psychiatry & Neurosciences, Paris, France
- Department of Psychiatry and Addictive Medicine, Assistance Publique-Hôpitaux de Paris (AP-HP), University Hospital Bichat-Claude Bernard, Paris, France
- Paris Diderot University – Paris VII, Paris, France
| | - Frank Bellivier
- Inserm, U1144, Paris, France
- Université Paris Descartes, UMR-S 1144, Paris, France
- Université Paris Diderot, Sorbonne Paris Cité, UMR-S 1144, Paris, France
- AP-HP, GH Saint-Louis – Lariboisière – F. Widal, Pôle de Psychiatrie et de Médecine Addictologique, Paris, France
- Fondation FondaMental, Créteil, France
| | - Pierre A. Geoffroy
- Inserm, U1144, Paris, France
- Université Paris Descartes, UMR-S 1144, Paris, France
- Université Paris Diderot, Sorbonne Paris Cité, UMR-S 1144, Paris, France
- AP-HP, GH Saint-Louis – Lariboisière – F. Widal, Pôle de Psychiatrie et de Médecine Addictologique, Paris, France
- Fondation FondaMental, Créteil, France
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30
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Talih F, Gebara NY, Andary FS, Mondello S, Kobeissy F, Ferri R. Delayed sleep phase syndrome and bipolar disorder: Pathogenesis and available common biomarkers. Sleep Med Rev 2018. [PMID: 29534856 DOI: 10.1016/j.smrv.2018.02.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Circadian rhythm disturbances are common in bipolar affective disorder (BD). Delayed sleep-wake phase syndrome (DSWPD) is the most prevalent circadian rhythm sleep-wake disorder (CRSWDs) and is frequently observed in BD. It is unclear whether DSWPD in BD is an independent process or is a consequence of BD. In this hypothetical review, we discuss the overlap between BD and DSWPD and potential common biomarkers for DSWPD and BD. The review will include a discussion of the genetics of DSWPD and BD. Biomarkers elucidating the pathophysiological processes occurring in these two disorders may offer insight into the etiology and prognosis of both conditions.
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Affiliation(s)
- Farid Talih
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon; Department of Psychiatry, American University of Beirut Medical Center, Beirut, Lebanon.
| | - Nour Y Gebara
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon.
| | - Farah S Andary
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Stefania Mondello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy; Sleep Research Centre, Oasi Research Institute IRCCS, Troina, Italy
| | - Firas Kobeissy
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Raffaele Ferri
- Sleep Research Centre, Oasi Research Institute IRCCS, Troina, Italy
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31
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Talih F, Ajaltouni J, Ghandour H, Abu-Mohammad AS, Kobeissy F. Insomnia in hospitalized psychiatric patients: prevalence and associated factors. Neuropsychiatr Dis Treat 2018; 14:969-975. [PMID: 29695907 PMCID: PMC5903832 DOI: 10.2147/ndt.s160742] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES To quantify and describe the prevalence of insomnia in hospitalized psychiatric patients and to investigate the associations between insomnia and demographic and clinical factors in hospitalized psychiatric patients. METHODS The participants included 203 individuals hospitalized for psychiatric treatment at an academic medical center. Demographic information, psychiatric diagnoses, current psychotropic medication use, and history of substance use were collected. Insomnia screening was performed using the Insomnia Severity Index. Depressive and anxiety symptoms were also evaluated using the Generalized Anxiety Disorder questionnaire and the Patient Health Questionnaire. Restless legs syndrome (RLS) symptoms were evaluated using the Restless Legs Syndrome Rating Scale (RLSRS). Statistical analysis was conducted to detect the prevalence of insomnia among the participants and to examine possible associations among psychiatric disorders, psychotropic medications, and RLS. RESULTS Out of the 203 participants that completed the survey, 67.4% were found to have insomnia and 14.3% were found to have RLS. The severity of insomnia was found to be associated with the presence of RLS, depressive and anxious symptomatology, suicidal ideation, use of selective serotonin reuptake inhibitors, and use of benzodiazepines.
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Affiliation(s)
- Farid Talih
- Department of Psychiatry, American University of Beirut Medical Center, Beirut, Lebanon
| | - Jean Ajaltouni
- Department of Psychiatry, American University of Beirut Medical Center, Beirut, Lebanon
| | - Hiba Ghandour
- Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | | | - Firas Kobeissy
- Faculty of Medicine, American University of Beirut, Beirut, Lebanon.,Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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32
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Disruption of melatonin synthesis is associated with impaired 14-3-3 and miR-451 levels in patients with autism spectrum disorders. Sci Rep 2017; 7:2096. [PMID: 28522826 PMCID: PMC5437096 DOI: 10.1038/s41598-017-02152-x] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 04/06/2017] [Indexed: 12/12/2022] Open
Abstract
Autism spectrum disorders (ASD) are characterized by a wide genetic and clinical heterogeneity. However, some biochemical impairments, including decreased melatonin (crucial for circadian regulation) and elevated platelet N-acetylserotonin (the precursor of melatonin) have been reported as very frequent features in individuals with ASD. To address the mechanisms of these dysfunctions, we investigated melatonin synthesis in post-mortem pineal glands - the main source of melatonin (9 patients and 22 controls) - and gut samples - the main source of serotonin (11 patients and 13 controls), and in blood platelets from 239 individuals with ASD, their first-degree relatives and 278 controls. Our results elucidate the enzymatic mechanism for melatonin deficit in ASD, involving a reduction of both enzyme activities contributing to melatonin synthesis (AANAT and ASMT), observed in the pineal gland as well as in gut and platelets of patients. Further investigations suggest new, post-translational (reduced levels of 14-3-3 proteins which regulate AANAT and ASMT activities) and post-transcriptional (increased levels of miR-451, targeting 14-3-3ζ) mechanisms to these impairments. This study thus gives insights into the pathophysiological pathways involved in ASD.
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33
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Jung J, Kim LJ, Wang X, Wu Q, Sanvoranart T, Hubert CG, Prager BC, Wallace LC, Jin X, Mack SC, Rich JN. Nicotinamide metabolism regulates glioblastoma stem cell maintenance. JCI Insight 2017; 2:90019. [PMID: 28515364 DOI: 10.1172/jci.insight.90019] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 04/18/2017] [Indexed: 12/29/2022] Open
Abstract
Metabolic dysregulation promotes cancer growth through not only energy production, but also epigenetic reprogramming. Here, we report that a critical node in methyl donor metabolism, nicotinamide N-methyltransferase (NNMT), ranked among the most consistently overexpressed metabolism genes in glioblastoma relative to normal brain. NNMT was preferentially expressed by mesenchymal glioblastoma stem cells (GSCs). NNMT depletes S-adenosyl methionine (SAM), a methyl donor generated from methionine. GSCs contained lower levels of methionine, SAM, and nicotinamide, but they contained higher levels of oxidized nicotinamide adenine dinucleotide (NAD+) than differentiated tumor cells. In concordance with the poor prognosis associated with DNA hypomethylation in glioblastoma, depletion of methionine, a key upstream methyl group donor, shifted tumors toward a mesenchymal phenotype and accelerated tumor growth. Targeting NNMT expression reduced cellular proliferation, self-renewal, and in vivo tumor growth of mesenchymal GSCs. Supporting a mechanistic link between NNMT and DNA methylation, targeting NNMT reduced methyl donor availability, methionine levels, and unmethylated cytosine, with increased levels of DNA methyltransferases, DNMT1 and DNMT3A. Supporting the clinical significance of these findings, NNMT portended poor prognosis for glioblastoma patients. Collectively, our findings support NNMT as a GSC-specific therapeutic target in glioblastoma by disrupting oncogenic DNA hypomethylation.
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Affiliation(s)
- Jinkyu Jung
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Leo Jy Kim
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine.,Medical Scientist Training Program, School of Medicine.,Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA
| | - Xiuxing Wang
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Qiulian Wu
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Tanwarat Sanvoranart
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Christopher G Hubert
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Briana C Prager
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine.,Medical Scientist Training Program, School of Medicine.,Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA
| | - Lisa C Wallace
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Xun Jin
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Stephen C Mack
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jeremy N Rich
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine
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34
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Peacock BN, Scheiderer DJ, Kellermann GH. Biomolecular aspects of depression: A retrospective analysis. Compr Psychiatry 2017; 73:168-180. [PMID: 28006716 DOI: 10.1016/j.comppsych.2016.11.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 11/05/2016] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE The effects of psychological stress, oxidative stress, and chronic low grade inflammation on the neuro-immune connection have been implicated in the pathogenesis of depression. Thus, in the recent past, there has been a growing effort in determining the mechanism of this pathogenesis. While attempting to map out, this mechanism researchers and clinicians have searched for clinically relevant biomarkers for use in the diagnosis and for the assessment of those suffering from depression. In this study, we have performed a retrospective analysis of biomarkers with clinically relevant potentials, including peripheral catecholamines, chemokines, cytokines, and neurotransmitters. METHODS The retrospective analysis was performed on data collected over a six-year period of time (July 2009 to July 2015), gathered from patients (N=1399; Mage=42, SD=13; 71% female, 29% male) who submitted samples with complaints of feeling hopeless, worthless, isolated, alone, general sadness, overwhelmed, and/or a lack of interest in things they once enjoyed. The data collected consisted of quantitative values of urinary catecholamines and neurotransmitters (peripheral dopamine, epinephrine, histamine, kynurenic acid, norepinephrine, β-PEA, and serotonin), salivary hormones (peripheral cortisol and melatonin), and peripheral blood mononuclear cell secreted cytokines and chemokines (Interleukins 1β, 6, 8, 10, MCP-1, GCSF, and TNFα). Statistical and clinical significance was assessed by comparison with a control group (N=2395; Mage=42, SD=13; 70% female, 30% male), calculating the percent mean difference, p value, and effect size (Cohen's ɗ) for each parameter between groups. RESULTS The findings of this study suggested that, in a model of general depression, there is a dysregulation in the enzymatic production and degradation of catecholamines, neurotransmitters, hormones, and immunological proteins. A cycle of interaction was found between all of these biomolecules, where an increase or decrease in one marker could result in a stimulatory or inhibitory effect on others. The mechanism of this was proposed to occur through the interaction of psychological stress, inflammation, and oxidative stress pathways. All of these biomolecules were found to be significantly altered in the general depression group and are key components of the interaction between the neurological and immunological systems. CONCLUSIONS This study serves to further elucidate the role of biomolecules in the regulation of affective disorders, such as depression. Resulting in providing a network of clinically relevant biomarkers to objectively assess and monitor general depression.
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Castro A, Rodríguez F, Flórez M, López P, Curotto B, Martínez D, Maturana A, Lardone MC, Palma C, Mericq V, Ebensperger M, Cassorla F. Pseudoautosomal abnormalities in terminal AZFb+c deletions are associated with isochromosomes Yp and may lead to abnormal growth and neuropsychiatric function. Hum Reprod 2017; 32:465-475. [PMID: 28057878 DOI: 10.1093/humrep/dew333] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 11/23/2016] [Accepted: 12/07/2016] [Indexed: 11/14/2022] Open
Abstract
STUDY QUESTION Are copy number variations (CNVs) in the pseudoautosomal regions (PARs) frequent in subjects with Y-chromosome microdeletions and can they lead to abnormal stature and/or neuropsychiatric disorders? SUMMARY ANSWER Only subjects diagnosed with azoospermia factor (AZF)b+c deletions spanning to the end of the Y chromosome (i.e. terminal deletions) harbor Y isochromosomes and/or cells 45,X that lead to pseudoautosomal gene CNVs, which were associated with abnormal stature and/or neuropsychiatric disorders. WHAT IS KNOWN ALREADY The microdeletions in the long arm of the Y chromosome (Yq) that include the loss of one to three AZF regions, referred to as Yq microdeletions, constitute the most important known etiological factor for primary spermatogenic failure. Recently, controversy has arisen about whether Yq microdeletions are associated with gain or loss of PAR genes, which are implicated in skeletal development and neuropsychiatric function. STUDY DESIGN, SIZE, DURATION We studied a cohort of 42 Chilean patients with complete AZF deletions (4 AZFa, 4 AZFb, 23 AZFc, 11 AZFb+c) from a university medical center, diagnosed over a period of 15 years. The subjects underwent complete medical examinations with special attention to their stature and neuropsychiatric function. PARTICIPANTS/MATERIALS, SETTING, METHODS All subjects were characterized for Yq breakpoints by PCR, and for CNVs in PARs by multiplex ligation-dependent probe amplification (MLPA), followed by qPCR analysis for genes in PAR1 (SHOX and ZBED1), PAR2 (IL9R) and two single copy genes (SRY and DDX3Y, respectively located in Yp11.3 and AZFa). In addition, karyotypes revision and fluorescence in situ hybridization (FISH) for SRY and centromeric probes for X (DXZ1) and Y (DYZ3) chromosomes were performed in males affected with CNVs. MAIN RESULTS AND THE ROLE OF CHANCE We did not detect CNVs in any of the 35 AZF-deleted men with interstitial deletions (AZFa, AZFb, AZFc or AZFb+c). However, six of the seven patients with terminal AZFb+c deletions showed CNVs: two patients showed a loss and four patients showed a gain of PAR1 genes, with the expected loss of VAMP-7 in PAR2. In these patients, the Yq breakpoints localized to the palindromes P8, P5 or P4. In the four cases with gain of PAR1, qPCR analysis showed duplicated signals for SRY and DDX3Y and one copy of IL9R, indicating isodicentric Yp chromosomes [idic(Y)] with breakpoint in Yq11.22. The two patients who had loss of PAR1, as shown by MLPA, had an additional reduction for SRY and DDX3Y, as shown by qPCR, associated with a high proportion of 45,X cells, as determined by FISH and karyotype. In agreement with the karyotype analysis, we detected DYZ3++ and DYZ3+ cells by FISH in the six patients, confirming idic(Y) and revealing additional monocentric Y chromosome [i(Y)]. Five patients had a history of major depressive disorders or bipolar disorder, and three had language impairment, whereas two patients showed severe short stature (Z score: -2.75 and -2.62), while a man with bipolar disorder was very tall (Z score: +2.56). LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION The number of males studied with Y-chromosome microdeletions and normozoospermic controls with normal karyotypes may not be enough to rule out an association between AZF deletions and PAR abnormalities. The prevalence of Y isochromosomes and/or 45,X cells detected in peripheral blood does not necessarily reflect the variations of PAR genes in target tissues. WIDER IMPLICATIONS OF THE FINDINGS This study shows that CNVs in PARs were present exclusively in patients with terminal AZFb+c deletions associated with the presence of Y isochromosomes and 45,X cells, and may lead to neuropsychiatric and growth disorders. In contrast, we show that men with interstitial Yq microdeletions with normal karyotypes do not have an increased risk of PAR abnormalities and of phenotypical consequences. Moreover, our results highlight the importance of performing molecular studies, which are not considered in the usual screening for patients with Yq microdeletions. STUDY FUNDING/COMPETING INTERESTS This work was supported by the National Fund for Scientific and Technological Development of Chile (FONDECYT), grant no. 1120176 (A.C.). The authors declare that no conflicting interests exist.
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Affiliation(s)
- A Castro
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - F Rodríguez
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - M Flórez
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - P López
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - B Curotto
- Laboratorio de Genética y Enfermedades Metabólicas, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago 7830490, Chile
| | - D Martínez
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - A Maturana
- Psychiatric Unit, Clínica Las Condes, Santiago 7591046, Chile
| | - M C Lardone
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - C Palma
- Department of Urology, José Joaquín Aguirre Clinical Hospital, School of Medicine, University of Chile, Santiago 8380453, Chile
- Department of Urology, Clínica Las Condes, Santiago 7591046, Chile
| | - V Mericq
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - M Ebensperger
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
| | - F Cassorla
- Institute of Maternal and Child Research, School of Medicine, University of Chile, Hospital San Borja Arriarán, Santiago 8360160, Chile
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Brochard H, Boudebesse C, Henry C, Godin O, Leboyer M, Étain B. Syndrome métabolique et troubles bipolaires : le sommeil est-il le chaînon manquant ? Encephale 2016; 42:562-567. [PMID: 27663044 DOI: 10.1016/j.encep.2015.08.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 08/31/2015] [Indexed: 01/13/2023]
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La mélatonine et ses agonistes : un traitement adjuvant d’intérêt dans le trouble bipolaire ? ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.msom.2016.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Hou L, Bergen SE, Akula N, Song J, Hultman CM, Landén M, Adli M, Alda M, Ardau R, Arias B, Aubry JM, Backlund L, Badner JA, Barrett TB, Bauer M, Baune BT, Bellivier F, Benabarre A, Bengesser S, Berrettini WH, Bhattacharjee AK, Biernacka JM, Birner A, Bloss CS, Brichant-Petitjean C, Bui ET, Byerley W, Cervantes P, Chillotti C, Cichon S, Colom F, Coryell W, Craig DW, Cruceanu C, Czerski PM, Davis T, Dayer A, Degenhardt F, Del Zompo M, DePaulo JR, Edenberg HJ, Étain B, Falkai P, Foroud T, Forstner AJ, Frisén L, Frye MA, Fullerton JM, Gard S, Garnham JS, Gershon ES, Goes FS, Greenwood TA, Grigoroiu-Serbanescu M, Hauser J, Heilbronner U, Heilmann-Heimbach S, Herms S, Hipolito M, Hitturlingappa S, Hoffmann P, Hofmann A, Jamain S, Jiménez E, Kahn JP, Kassem L, Kelsoe JR, Kittel-Schneider S, Kliwicki S, Koller DL, König B, Lackner N, Laje G, Lang M, Lavebratt C, Lawson WB, Leboyer M, Leckband SG, Liu C, Maaser A, Mahon PB, Maier W, Maj M, Manchia M, Martinsson L, McCarthy MJ, McElroy SL, McInnis MG, McKinney R, Mitchell PB, Mitjans M, Mondimore FM, Monteleone P, Mühleisen TW, Nievergelt CM, Nöthen MM, Novák T, Nurnberger JI, Nwulia EA, Ösby U, Pfennig A, Potash JB, Propping P, Reif A, Reininghaus E, Rice J, Rietschel M, Rouleau GA, Rybakowski JK, Schalling M, Scheftner WA, Schofield PR, Schork NJ, Schulze TG, Schumacher J, Schweizer BW, Severino G, Shekhtman T, Shilling PD, Simhandl C, Slaney CM, Smith EN, Squassina A, Stamm T, Stopkova P, Streit F, Strohmaier J, Szelinger S, Tighe SK, Tortorella A, Turecki G, Vieta E, Volkert J, Witt SH, Wright A, Zandi PP, Zhang P, Zollner S, McMahon FJ. Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder. Hum Mol Genet 2016; 25:3383-3394. [PMID: 27329760 PMCID: PMC5179929 DOI: 10.1093/hmg/ddw181] [Citation(s) in RCA: 127] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 05/23/2016] [Accepted: 06/09/2016] [Indexed: 12/31/2022] Open
Abstract
Bipolar disorder (BD) is a genetically complex mental illness characterized by severe oscillations of mood and behaviour. Genome-wide association studies (GWAS) have identified several risk loci that together account for a small portion of the heritability. To identify additional risk loci, we performed a two-stage meta-analysis of >9 million genetic variants in 9,784 bipolar disorder patients and 30,471 controls, the largest GWAS of BD to date. In this study, to increase power we used ∼2,000 lithium-treated cases with a long-term diagnosis of BD from the Consortium on Lithium Genetics, excess controls, and analytic methods optimized for markers on the X-chromosome. In addition to four known loci, results revealed genome-wide significant associations at two novel loci: an intergenic region on 9p21.3 (rs12553324, P = 5.87 × 10 - 9; odds ratio (OR) = 1.12) and markers within ERBB2 (rs2517959, P = 4.53 × 10 - 9; OR = 1.13). No significant X-chromosome associations were detected and X-linked markers explained very little BD heritability. The results add to a growing list of common autosomal variants involved in BD and illustrate the power of comparing well-characterized cases to an excess of controls in GWAS.
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Affiliation(s)
- Liping Hou
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA
| | - Sarah E Bergen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Stanley Center for Psychiatric Research, The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Nirmala Akula
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA
| | - Jie Song
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Christina M Hultman
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Mikael Landén
- Institute of Neuroscience and Physiology, The Sahlgrenska Academy at Gothenburg University, Gothenburg, Sweden
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Mazda Adli
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, Germany
| | - Martin Alda
- Department of Psychiatry, Dalhousie University, Halifax, Canada
| | - Raffaella Ardau
- Unit of Clinical Pharmacology, Hospital University Agency of Cagliari, Cagliari, Italy
| | - Bárbara Arias
- Department of Biologia Animal, Unitat d'Antropologia (Dp. Biología Animal), Facultat de Biologia and Institut de Biomedicina (IBUB), Universitat de Barcelona, CIBERSAM, Barcelona, Spain
| | - Jean-Michel Aubry
- Department of Mental Health and Psychiatry, Mood Disorders Unit, Geneva University Hospitals, Geneva, Switzerland
| | - Lena Backlund
- Department of Molecular Medicine and Surgery, Karolinska Institutet and Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Judith A Badner
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA
| | | | - Michael Bauer
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - Bernhard T Baune
- Discipline of Psychiatry, University of Adelaide, Adelaide, Australia
| | - Frank Bellivier
- INSERM UMR-S 1144 - Université Paris Diderot. Pôle de Psychiatrie, AP-HP, Groupe Hospitalier Lariboisière-F. Widal, Paris, France
| | - Antonio Benabarre
- Bipolar Disorder Program, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
| | - Susanne Bengesser
- Special Outpatient Center for Bipolar Affective Disorder, Medical University of Graz, Graz, Austria
| | - Wade H Berrettini
- Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Joanna M Biernacka
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | - Armin Birner
- Special Outpatient Center for Bipolar Affective Disorder, Medical University of Graz, Graz, Austria
| | | | - Clara Brichant-Petitjean
- INSERM UMR-S 1144 - Université Paris Diderot. Pôle de Psychiatrie, AP-HP, Groupe Hospitalier Lariboisière-F. Widal, Paris, France
| | - Elise T Bui
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA
| | - William Byerley
- Department of Psychiatry, University of California at San Francisco, San Francisco, CA, USA
| | - Pablo Cervantes
- McGill University Health Centre, Mood Disorders Program, Montreal, QC, Canada
| | - Caterina Chillotti
- Unit of Clinical Pharmacology, Hospital University Agency of Cagliari, Cagliari, Italy
| | - Sven Cichon
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Germany
- Division of Medical Genetics and Department of Biomedicine, University of Basel, Switzerland
| | - Francesc Colom
- Bipolar Disorder Program, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
| | - William Coryell
- University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - David W Craig
- The Translational Genomics Research Institute, Phoenix, AZ, USA
| | - Cristiana Cruceanu
- Douglas Mental Health University Institute, McGill University, Montreal, Canada
| | - Piotr M Czerski
- Psychiatric Genetic Unit, Poznan University of Medical Sciences, Poznan, Poland
| | - Tony Davis
- Discipline of Psychiatry, University of Adelaide, Adelaide, Australia
| | - Alexandre Dayer
- Department of Mental Health and Psychiatry, Mood Disorders Unit, Geneva University Hospitals, Geneva, Switzerland
| | - Franziska Degenhardt
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Maria Del Zompo
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - J Raymond DePaulo
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Howard J Edenberg
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Bruno Étain
- INSERM U955, Psychiatrie translationnelle, Université Paris Est Créteil, Pôle de Psychiatrie et d'Addictologie, Hôpitaux Universitaires Henri Mondor, Créteil, France
| | - Peter Falkai
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Tatiana Foroud
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Andreas J Forstner
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Louise Frisén
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Child and Adolescent Psychiatry Research Center, Stockholm, Sweden
| | - Mark A Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | - Janice M Fullerton
- Psychiatric Genetics, Neuroscience Research Australia, Sydney, Australia
- School of Medical Sciences, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Sébastien Gard
- Service de Psychiatrie, Hôpital Charles Perrens, Bordeaux, France
| | - Julie S Garnham
- Department of Psychiatry, Dalhousie University, Halifax, Canada
| | - Elliot S Gershon
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA
| | - Fernando S Goes
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Tiffany A Greenwood
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Maria Grigoroiu-Serbanescu
- Biometric Psychiatric Genetics Research Unit, Alexandru Obregia Clinical Psychiatric Hospital, Bucharest, Romania
| | - Joanna Hauser
- Psychiatric Genetic Unit, Poznan University of Medical Sciences, Poznan, Poland
| | - Urs Heilbronner
- Institute of Psychiatric Phenomics and Genomics, Ludwig-Maximilians-University Munich, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Medical Center (UMG), Georg-August University Göttingen, Göttingen, Germany
| | - Stefanie Heilmann-Heimbach
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Stefan Herms
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
- Division of Medical Genetics and Department of Biomedicine, University of Basel, Switzerland
| | - Maria Hipolito
- Department of Psychiatry and Behavioral Sciences, Howard University Hospital, Washington, DC, USA
| | | | - Per Hoffmann
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Germany
- Division of Medical Genetics and Department of Biomedicine, University of Basel, Switzerland
| | - Andrea Hofmann
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Stephane Jamain
- INSERM U955, Psychiatrie translationnelle, Université Paris Est Créteil, Pôle de Psychiatrie et d'Addictologie, Hôpitaux Universitaires Henri Mondor, Créteil, France
| | - Esther Jiménez
- Bipolar Disorder Program, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
| | - Jean-Pierre Kahn
- Service de Psychiatrie et Psychologie Clinique, Centre Psychothérapique de Nancy - Université de Lorraine, Nancy, France
| | - Layla Kassem
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA
| | - John R Kelsoe
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Sarah Kittel-Schneider
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Frankfurt, Germany
| | - Sebastian Kliwicki
- Department of Adult Psychiatry, Poznan University of Medical Sciences, Poznan, Poland
| | - Daniel L Koller
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Barbara König
- Department of Psychiatry and Psychotherapeuthic Medicine, Landesklinikum Neunkirchen, Neunkirchen, Austria
| | - Nina Lackner
- Special Outpatient Center for Bipolar Affective Disorder, Medical University of Graz, Graz, Austria
| | - Gonzalo Laje
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA
| | - Maren Lang
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Catharina Lavebratt
- Department of Molecular Medicine and Surgery, Karolinska Institutet and Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - William B Lawson
- Department of Psychiatry and Behavioral Sciences, Howard University Hospital, Washington, DC, USA
| | - Marion Leboyer
- INSERM U955, Psychiatrie translationnelle, Université Paris Est Créteil, Pôle de Psychiatrie et d'Addictologie, Hôpitaux Universitaires Henri Mondor, Créteil, France
| | - Susan G Leckband
- Department of Pharmacy, VA San Diego Healthcare System, San Diego, CA, USA
| | - Chunyu Liu
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Anna Maaser
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Pamela B Mahon
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | | | - Mario Maj
- Department of Psychiatry, University of Naples SUN, Naples, Italy
| | - Mirko Manchia
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
- Department of Pharmacology, Dalhousie University, Halifax, NS, Canada
| | - Lina Martinsson
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Michael J McCarthy
- Department of Psychiatry, VA San Diego Healthcare System, San Diego, CA, USA
| | - Susan L McElroy
- Lindner Center of HOPE, University of Cincinnati College of Medicine, Mason, OH, USA
| | - Melvin G McInnis
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Rebecca McKinney
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Philip B Mitchell
- School of Psychiatry, University of New South Wales, and Black Dog Institute, Sydney, Australia
| | - Marina Mitjans
- Department of Biologia Animal, Unitat d'Antropologia (Dp. Biología Animal), Facultat de Biologia and Institut de Biomedicina (IBUB), Universitat de Barcelona, CIBERSAM, Barcelona, Spain
| | - Francis M Mondimore
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Palmiero Monteleone
- Department of Psychiatry, University of Naples SUN, Naples, Italy
- Neurosciences Section, Department of Medicine and Surgery, University of Salerno, Salerno, Italy
| | - Thomas W Mühleisen
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Germany
| | | | - Markus M Nöthen
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Tomas Novák
- National Institute of Mental Health, Klecany, Czech Republic
| | - John I Nurnberger
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Evaristus A Nwulia
- Department of Psychiatry and Behavioral Sciences, Howard University Hospital, Washington, DC, USA
| | - Urban Ösby
- Department of Neurobiology, Care Sciences, and Society, Karolinska Institutet and Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Andrea Pfennig
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - James B Potash
- Department of Psychiatry, Carver College of Medicine, University of Iowa School of Medicine, Iowa City, IA, USA
| | - Peter Propping
- Institute of Human Genetics, University of Bonn, Germany
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Frankfurt, Germany
| | - Eva Reininghaus
- Special Outpatient Center for Bipolar Affective Disorder, Medical University of Graz, Graz, Austria
| | - John Rice
- Department of Psychiatry, Washington University School of Medicine in St. Louis
| | - Marcella Rietschel
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Guy A Rouleau
- Montreal Neurological Institute and Hospital, McGill University, Montreal, Canada
| | - Janusz K Rybakowski
- Department of Adult Psychiatry, Poznan University of Medical Sciences, Poznan, Poland
| | - Martin Schalling
- Department of Molecular Medicine and Surgery, Karolinska Institutet and Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | | | - Peter R Schofield
- School of Medical Sciences, University of New South Wales, Sydney, NSW, 2052, Australia
- Mental Illness, Neuroscience Research Australia, Sydney, Australia
| | | | - Thomas G Schulze
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
- Institute of Psychiatric Phenomics and Genomics, Ludwig-Maximilians-University Munich, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Medical Center (UMG), Georg-August University Göttingen, Göttingen, Germany
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Johannes Schumacher
- Institute of Human Genetics, University of Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Barbara W Schweizer
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Giovanni Severino
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Tatyana Shekhtman
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Paul D Shilling
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | | | - Claire M Slaney
- Department of Psychiatry, Dalhousie University, Halifax, Canada
| | - Erin N Smith
- Scripps Translational Science Institute, La Jolla, CA, USA
| | - Alessio Squassina
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Thomas Stamm
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, Germany
| | - Pavla Stopkova
- National Institute of Mental Health, Klecany, Czech Republic
| | - Fabian Streit
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Jana Strohmaier
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | | | - Sarah K Tighe
- Department of Psychiatry, Carver College of Medicine, University of Iowa School of Medicine, Iowa City, IA, USA
| | | | - Gustavo Turecki
- Douglas Mental Health University Institute, McGill University, Montreal, Canada
| | - Eduard Vieta
- Bipolar Disorder Program, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
| | - Julia Volkert
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Frankfurt, Germany
| | - Stephanie H Witt
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Adam Wright
- School of Psychiatry, University of New South Wales, and Black Dog Institute, Sydney, Australia
| | - Peter P Zandi
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Peng Zhang
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Sebastian Zollner
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Francis J McMahon
- Intramural Research Program, National Institute of Mental Health, National Institutes of Health,U.S. Department of Health & Human Services, Bethesda, MD, USA,
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Anderson G, Vaillancourt C, Maes M, Reiter RJ. Breast Feeding and Melatonin: Implications for Improving Perinatal Health. ACTA ACUST UNITED AC 2016. [DOI: 10.14302/issn.2644-0105.jbfb-16-1121] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The biological underpinnings that drive the plethora of breastfeeding benefits over formula-feeding is an area of intense research, given the cognitive and emotional benefits as well as the offsetting of many childhood- and adult-onset medical conditions that breast-feeding provides. In this article, we review the research on the role of melatonin in driving some of these breastfeeding benefits. Melatonin is a powerful antioxidant, anti-inflammatory and antinociceptive as well as optimizing mitochondrial function. Melatonin is produced by the placenta and, upon parturition, maternal melatonin is passed to the infant upon breastfeeding with higher levels in night-time breast milk. As such, some of the benefits of breastfeeding may be mediated by the higher levels of maternal circulating night-time melatonin, allowing for circadian and antioxidant effects, as well as promoting the immune and mitochondrial regulatory aspects of melatonin; these actions may positively modulate infant development. Herein, it is proposed that some of the benefits of breastfeeding may be mediated by melatonin's regulation of the infant's gut microbiota and immune responses. As such, melatonin is likely to contribute to the early developmental processes that affect the susceptibility to a range of adult onset conditions. Early research on animal models has shown promising results for the regulatory role of melatonin.
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Affiliation(s)
| | - Cathy Vaillancourt
- INRS-Armand-Frappier Institute and Center for Interdisciplinary Research on Well-Being, Health, Society and Environment (CINBIOSE), Laval, QC, Canada
| | - Michael Maes
- Deakin University, Department of Psychiatry, Geelong , Australia
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Douglas LN, McGuire AB, Manzardo AM, Butler MG. High-resolution chromosome ideogram representation of recognized genes for bipolar disorder. Gene 2016; 586:136-47. [PMID: 27063557 PMCID: PMC6675571 DOI: 10.1016/j.gene.2016.04.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 03/21/2016] [Accepted: 04/04/2016] [Indexed: 12/28/2022]
Abstract
Bipolar disorder (BPD) is genetically heterogeneous with a growing list of BPD associated genes reported in recent years resulting from increased genetic testing using advanced genetic technology, expanded genomic databases, and better awareness of the disorder. We compiled a master list of recognized susceptibility and genes associated with BPD identified from peer-reviewed medical literature sources using PubMed and by searching online databases, such as OMIM. Searched keywords were related to bipolar disorder and genetics. Our compiled list consisted of 290 genes with gene names arranged in alphabetical order in tabular form with source documents and their chromosome location and gene symbols plotted on high-resolution human chromosome ideograms. The identified genes impacted a broad range of biological pathways and processes including cellular signaling pathways particularly cAMP and calcium (e.g., CACNA1C, CAMK2A, CAMK2D, ADCY1, ADCY2); glutamatergic (e.g., GRIK1, GRM3, GRM7), dopaminergic (e.g., DRD2, DRD4, COMT, MAOA) and serotonergic (e.g., HTR1A, HTR2A, HTR3B) neurotransmission; molecular transporters (e.g., SLC39A3, SLC6A3, SLC8A1); and neuronal growth (e.g., BDNF, IGFBP1, NRG1, NRG3). The increasing prevalence of BPD calls for better understanding of the genetic etiology of this disorder and associations between the observed BPD phenotype and genes. Visual representation of genes for bipolar disorder becomes a tool enabling clinical and laboratory geneticists, genetic counselors, and other health care providers and researchers easy access to the location and distribution of currently recognized BPD associated genes. Our study may also help inform diagnosis and advance treatment developments for those affected with this disorder and improve genetic counseling for families.
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Affiliation(s)
- Lindsay N Douglas
- Department of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Austen B McGuire
- Department of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Ann M Manzardo
- Department of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Merlin G Butler
- Department of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, Kansas City, KS 66160, USA.
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Ascoli BM, Géa LP, Colombo R, Barbé-Tuana FM, Kapczinski F, Rosa AR. The role of macrophage polarization on bipolar disorder: Identifying new therapeutic targets. Aust N Z J Psychiatry 2016; 50:618-30. [PMID: 27091850 DOI: 10.1177/0004867416642846] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Bipolar disorder is a chronic, severe and disabling disease; however, its pathophysiology remains poorly understood. Recent evidence has suggested that inflammation and immune dysregulation play a significant role in the pathophysiology of bipolar disorder. This review is aimed to highlight the importance of systemic inflammation in modulating the inflammatory response of microglia and hence its potential involvement with bipolar disorder. We also discuss novel therapeutic strategies that emerge from this new research. METHOD This article presents a theoretical synthesis of the effects of systemic inflammation on the immune response of the central nervous system in bipolar disorder. The complex relationship between stress, pro-inflammatory cytokines and microglial dysfunction is summarized, emphasizing the role of the kynurenine pathway in this process and, consequently, their effects on neuronal plasticity. RESULTS Bipolar patients demonstrate increased serum levels of pro-inflammatory cytokines (interleukin-1β, interleukin-6 and tumor necrosis factor-α) and lower hypothalamic-pituitary-adrenal axis sensitivity. This imbalance in the immune system promotes a change in blood-brain barrier permeability, leading to an inflammatory signal spread in the central nervous system from the periphery, through macrophages activation (M1 polarization). Chronic microglial activation can result in neuronal apoptosis, neurogenesis inhibition, hippocampal volume reduction, lower neurotransmitters synthesis and cytotoxicity, by increasing glutamate production and kynurenine metabolism. CONCLUSIONS This review provides an overview of the mechanisms involved in the immune system imbalance and its potential involvement in the pathophysiology of bipolar disorder. Consequently, new strategies that normalize the immune-inflammatory pathways may provide a valuable therapeutic target for the treatment of these disorders.
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Affiliation(s)
- Bruna M Ascoli
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil Postgraduate Program in Psychiatry and Behavioral Science, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Luiza P Géa
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil Postgraduate Program in Pharmacology and Therapeutics, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Rafael Colombo
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil Laboratory of Pharmacology and Physiology, Universidade de Caxias do Sul (UCS), Caxias do Sul, Brazil
| | - Florência M Barbé-Tuana
- Laboratory of Molecular Biology and Bioinformatics, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil Postgraduate Program in Biochemistry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Flávio Kapczinski
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil Postgraduate Program in Psychiatry and Behavioral Science, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil Department of Psychiatry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Adriane Ribeiro Rosa
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil Postgraduate Program in Psychiatry and Behavioral Science, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil Postgraduate Program in Pharmacology and Therapeutics, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil Department of Pharmacology, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
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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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Baek JH, Kim JS, Kim MJ, Ryu S, Lee K, Ha K, Hong KS. Lifetime Characteristics of Evening-Preference and Irregular Bed-Rise Time Are Associated With Lifetime Seasonal Variation of Mood and Behavior: Comparison Between Individuals With Bipolar Disorder and Healthy Controls. Behav Sleep Med 2016; 14:155-68. [PMID: 25384190 DOI: 10.1080/15402002.2014.974179] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Sleep-wake cycle disruption and seasonal variation in mood and behavior have been associated with mood disorders. This study aimed to investigate the lifetime characteristics of the sleep-wake cycle and its association with the lifetime characteristics of seasonality in individuals with bipolar disorder. Circadian preference, regularity of bed-rise time, and seasonality were evaluated on a lifetime basis using the Composite Scale of Morningness, the Sleep Timing Questionnaire, and the Seasonal Pattern Assessment Questionnaire in clinically stable individuals with bipolar I/II disorders (n = 103/97) and healthy controls (n = 270). Bipolar groups were more likely to have evening preference and irregular bed-rise time. These characteristics were interrelated and, particularly, more prevalent in bipolar II disorder. Seasonality, which was also more prevalent in the bipolar groups, was associated with evening preference and irregularity of the weekday bed-rise time.
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Affiliation(s)
- Ji Hyun Baek
- a Department of Psychiatry , Sungkyunkwan University School of Medicine Samsung Medical Center
| | - Ji Sun Kim
- b Department of Neuropsychiatry , Seoul National University College of Medicine Seoul National University Bundang Hospital, Kyunggi-Do Seoul National Hospital
| | - Mi Jin Kim
- a Department of Psychiatry , Sungkyunkwan University School of Medicine Samsung Medical Center
| | - Seunghyung Ryu
- a Department of Psychiatry , Sungkyunkwan University School of Medicine Samsung Medical Center
| | - Kounseok Lee
- a Department of Psychiatry , Sungkyunkwan University School of Medicine Samsung Medical Center
| | - Kyooseob Ha
- b Department of Neuropsychiatry , Seoul National University College of Medicine Seoul National University Bundang Hospital, Kyunggi-Do Seoul National Hospital
| | - Kyung Sue Hong
- a Department of Psychiatry , Sungkyunkwan University School of Medicine Samsung Medical Center.,c Samsung Biomedical Research Institute, Samsung Medical Center
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Zhao L, Liu H, Yue L, Zhang J, Li X, Wang B, Lin Y, Qu Y. Melatonin Attenuates Early Brain Injury via the Melatonin Receptor/Sirt1/NF-κB Signaling Pathway Following Subarachnoid Hemorrhage in Mice. Mol Neurobiol 2016; 54:1612-1621. [DOI: 10.1007/s12035-016-9776-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 02/02/2016] [Indexed: 12/25/2022]
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Talih F, Ajaltouni J, Kobeissy F. Restless leg syndrome in hospitalized psychiatric patients in Lebanon: a pilot study. Neuropsychiatr Dis Treat 2016; 12:2581-2586. [PMID: 27785035 PMCID: PMC5067055 DOI: 10.2147/ndt.s116271] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVES To characterize and describe the prevalence of restless leg syndrome (RLS) in hospitalized psychiatric patients and to investigate the correlations between patient profile and RLS. METHODS Demographic information, psychiatric diagnoses, psychotropic medication use, and history of substance use were collected from hospitalized psychiatric patients at the American University of Beirut Medical Center; Beirut, Lebanon. A validated questionnaire to evaluate RLS symptomatology was also administered to 126 participants who agreed to participate, as well as questionnaires for insomnia, depression, and anxiety symptoms. Statistical analysis was conducted to detect the prevalence of RLS among the participants and to examine correlations with RLS in a hospitalized psychiatric population. RESULTS Out of the 126 participants who completed the survey, RLS was detected in 18% of the participants. Of interest, RLS was also found to be associated with higher depressive symptomatology, suicidal ideation, and working night shifts.
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Affiliation(s)
| | | | - Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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Benleulmi-Chaachoua A, Chen L, Sokolina K, Wong V, Jurisica I, Emerit MB, Darmon M, Espin A, Stagljar I, Tafelmeyer P, Zamponi GW, Delagrange P, Maurice P, Jockers R. Protein interactome mining defines melatonin MT1 receptors as integral component of presynaptic protein complexes of neurons. J Pineal Res 2016; 60:95-108. [PMID: 26514267 DOI: 10.1111/jpi.12294] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 10/26/2015] [Indexed: 01/11/2023]
Abstract
In mammals, the hormone melatonin is mainly produced by the pineal gland with nocturnal peak levels. Its peripheral and central actions rely either on its intrinsic antioxidant properties or on binding to melatonin MT1 and MT2 receptors, belonging to the G protein-coupled receptor (GPCR) super-family. Melatonin has been reported to be involved in many functions of the central nervous system such as circadian rhythm regulation, neurotransmission, synaptic plasticity, memory, sleep, and also in Alzheimer's disease and depression. However, little is known about the subcellular localization of melatonin receptors and the molecular aspects involved in neuronal functions of melatonin. Identification of protein complexes associated with GPCRs has been shown to be a valid approach to improve our understanding of their function. By combining proteomic and genomic approaches we built an interactome of MT1 and MT2 receptors, which comprises 378 individual proteins. Among the proteins interacting with MT1 , but not with MT2 , we identified several presynaptic proteins, suggesting a potential role of MT1 in neurotransmission. Presynaptic localization of MT1 receptors in the hypothalamus, striatum, and cortex was confirmed by subcellular fractionation experiments and immunofluorescence microscopy. MT1 physically interacts with the voltage-gated calcium channel Cav 2.2 and inhibits Cav 2.2-promoted Ca(2+) entry in an agonist-independent manner. In conclusion, we show that MT1 is part of the presynaptic protein network and negatively regulates Cav 2.2 activity, providing a first hint for potential synaptic functions of MT1.
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Affiliation(s)
- Abla Benleulmi-Chaachoua
- Inserm, U1016, Institut Cochin, Paris, France
- CNRS UMR 8104, Paris, France
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
| | - Lina Chen
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Kate Sokolina
- Donnelly Centre, Department of Biochemistry, Department of Molecular Genetics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Victoria Wong
- Donnelly Centre, Department of Biochemistry, Department of Molecular Genetics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Igor Jurisica
- Princess Margaret Cancer Centre, University Health Network and TECHNA Institute for the Advancement of Technology for Health, Toronto, ON, Canada
| | - Michel Boris Emerit
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
- Centre de Psychiatrie et Neurosciences, INSERM U894, Paris, France
| | - Michèle Darmon
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
- Centre de Psychiatrie et Neurosciences, INSERM U894, Paris, France
| | - Almudena Espin
- Inserm, U1016, Institut Cochin, Paris, France
- CNRS UMR 8104, Paris, France
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
| | - Igor Stagljar
- Donnelly Centre, Department of Biochemistry, Department of Molecular Genetics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | | | - Gerald W Zamponi
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | | | - Pascal Maurice
- Inserm, U1016, Institut Cochin, Paris, France
- CNRS UMR 8104, Paris, France
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
| | - Ralf Jockers
- Inserm, U1016, Institut Cochin, Paris, France
- CNRS UMR 8104, Paris, France
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
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Cellular models to study bipolar disorder: A systematic review. J Affect Disord 2015; 184:36-50. [PMID: 26070045 DOI: 10.1016/j.jad.2015.05.037] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 05/20/2015] [Accepted: 05/20/2015] [Indexed: 12/21/2022]
Abstract
BACKGROUND There is an emerging interest in the use of cellular models to study psychiatric disorders. We have systematically reviewed the application of cellular models to understand the biological basis of bipolar disorder (BD). METHOD Published scientific literature in MEDLINE, PsychINFO and SCOPUS databases were identified with the following search strategy: [(Lymphoblastoid OR Lymphoblast OR Fibroblast OR Pluripotent OR Olfactory epithelium OR Olfactory mucosa) AND (Bipolar disorder OR Lithium OR Valproate OR Mania)]. Studies were included if they had used cell cultures derived from BD patients. RESULTS There were 65 articles on lymphoblastoid cell lines, 14 articles on fibroblasts, 4 articles on olfactory neuronal epithelium (ONE) and 2 articles on neurons reprogrammed from induced pluripotent stem cell lines (IPSC). Several parameters have been studied, and the most replicated findings are abnormalities in calcium signaling, endoplasmic reticulum (ER) stress response, mitochondrial oxidative pathway, membrane ion channels, circadian system and apoptosis related genes. These, although present in basal state, seem to be accentuated in the presence of cellular stressors (e.g. oxidative stress--rotenone; ER stress--thapsigargin), and are often reversed with in-vitro lithium. CONCLUSION Cellular modeling has proven useful in BD, and potential pathways, especially in cellular resilience related mechanisms have been identified. These findings show consistency with other study designs (genome-wide association, brain-imaging, and post-mortem brain expression). ONE cells and IPSC reprogrammed neurons represent the next generation of cell models in BD. Future studies should focus on family-based study designs and combine cell models with deep sequencing and genetic manipulations.
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Cong Z, Li X, Lin A, Zhu G, Peng M, Wang Y, Huang Y, Jiang W, Zhao X, Peng L, Ma H. ASMT gene polymorphisms have no association with schizophrenia in a Han Chinese sample. Psychiatry Res 2015; 228:969-71. [PMID: 26154813 DOI: 10.1016/j.psychres.2015.06.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 06/02/2015] [Accepted: 06/07/2015] [Indexed: 11/28/2022]
Affiliation(s)
- Zhengtu Cong
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - Xin Li
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - Ailu Lin
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - Gang Zhu
- epartment of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang 110001, China.
| | - Miao Peng
- Department of Psychology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Yuan Wang
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang 110001, China; Department of Psychology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | | | | | - Xiwu Zhao
- The Third Hospital of Daqing, Daqing 163000, China
| | - Longyan Peng
- The Third Hospital of Daqing, Daqing 163000, China
| | - Hui Ma
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang 110001, China; Center for Mental Health, Yanshan University, Qinhuangdao 066004, China
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Geoffroy PA, Lajnef M, Bellivier F, Jamain S, Gard S, Kahn JP, Henry C, Leboyer M, Etain B. Genetic association study of circadian genes with seasonal pattern in bipolar disorders. Sci Rep 2015; 5:10232. [PMID: 25989161 PMCID: PMC4437291 DOI: 10.1038/srep10232] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 04/07/2015] [Indexed: 01/28/2023] Open
Abstract
About one fourth of patients with bipolar disorders (BD) have depressive episodes with a seasonal pattern (SP) coupled to a more severe disease. However, the underlying genetic influence on a SP in BD remains to be identified. We studied 269 BD Caucasian patients, with and without SP, recruited from university-affiliated psychiatric departments in France and performed a genetic single-marker analysis followed by a gene-based analysis on 349 single nucleotide polymorphisms (SNPs) spanning 21 circadian genes and 3 melatonin pathway genes. A SP in BD was nominally associated with 14 SNPs identified in 6 circadian genes: NPAS2, CRY2, ARNTL, ARNTL2, RORA and RORB. After correcting for multiple testing, using a false discovery rate approach, the associations remained significant for 5 SNPs in NPAS2 (chromosome 2:100793045–100989719): rs6738097 (pc = 0.006), rs12622050 (pc = 0.006), rs2305159 (pc = 0.01), rs1542179 (pc = 0.01), and rs1562313 (pc = 0.02). The gene-based analysis of the 349 SNPs showed that rs6738097 (NPAS2) and rs1554338 (CRY2) were significantly associated with the SP phenotype (respective Empirical p-values of 0.0003 and 0.005). The associations remained significant for rs6738097 (NPAS2) after Bonferroni correction. The epistasis analysis between rs6738097 (NPAS2) and rs1554338 (CRY2) suggested an additive effect. Genetic variations in NPAS2 might be a biomarker for a seasonal pattern in BD.
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Affiliation(s)
- Pierre Alexis Geoffroy
- 1] Inserm, U1144, Paris, F-75006, France [2] AP-HP, GH Saint-Louis - Lariboisière - Fernand Widal, Pôle Neurosciences, 75475 Paris Cedex 10, France [3] Université Paris Descartes, UMR-S 1144, Paris, F-75006, France [4] Fondation FondaMental, Créteil, 94000, France
| | - Mohamed Lajnef
- 1] Fondation FondaMental, Créteil, 94000, France [2] INSERM, U955, Psychiatrie génétique, Créteil, 94000, France [3] AP-HP, Hôpitaux Universitaires Albert Chenevier-Henri Mondor , DHU PePSY, Pôle de Psychiatrie, Créteil, 94000, France
| | - Frank Bellivier
- 1] Inserm, U1144, Paris, F-75006, France [2] AP-HP, GH Saint-Louis - Lariboisière - Fernand Widal, Pôle Neurosciences, 75475 Paris Cedex 10, France [3] Université Paris Descartes, UMR-S 1144, Paris, F-75006, France [4] Fondation FondaMental, Créteil, 94000, France
| | - Stéphane Jamain
- 1] Fondation FondaMental, Créteil, 94000, France [2] INSERM, U955, Psychiatrie génétique, Créteil, 94000, France [3] Université Paris Est, Faculté de médecine, Créteil, 94000, France
| | - Sébastien Gard
- 1] Fondation FondaMental, Créteil, 94000, France [2] Hôpital Charles Perrens, Centre Expert Trouble Bipolaire, Service de psychiatrie adulte, Pôle 3-4-7, Bordeaux, 33000, France
| | - Jean-Pierre Kahn
- 1] Fondation FondaMental, Créteil, 94000, France [2] Service de Psychiatrie et Psychologie Clinique, CHU de Nancy, Hôpitaux de Brabois, Vandoeuvre Les Nancy, 54500, France
| | - Chantal Henry
- 1] Fondation FondaMental, Créteil, 94000, France [2] INSERM, U955, Psychiatrie génétique, Créteil, 94000, France [3] AP-HP, Hôpitaux Universitaires Albert Chenevier-Henri Mondor , DHU PePSY, Pôle de Psychiatrie, Créteil, 94000, France [4] Université Paris Est, Faculté de médecine, Créteil, 94000, France
| | - Marion Leboyer
- 1] Fondation FondaMental, Créteil, 94000, France [2] INSERM, U955, Psychiatrie génétique, Créteil, 94000, France [3] AP-HP, Hôpitaux Universitaires Albert Chenevier-Henri Mondor , DHU PePSY, Pôle de Psychiatrie, Créteil, 94000, France [4] Université Paris Est, Faculté de médecine, Créteil, 94000, France
| | - Bruno Etain
- 1] Fondation FondaMental, Créteil, 94000, France [2] INSERM, U955, Psychiatrie génétique, Créteil, 94000, France [3] AP-HP, Hôpitaux Universitaires Albert Chenevier-Henri Mondor , DHU PePSY, Pôle de Psychiatrie, Créteil, 94000, France [4] Université Paris Est, Faculté de médecine, Créteil, 94000, France
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Kripke DF, Elliott JA, Welsh DK, Youngstedt SD. Photoperiodic and circadian bifurcation theories of depression and mania. F1000Res 2015; 4:107. [PMID: 26180634 PMCID: PMC4490783 DOI: 10.12688/f1000research.6444.1] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/05/2015] [Indexed: 12/26/2022] Open
Abstract
Seasonal effects on mood have been observed throughout much of human history. Seasonal changes in animals and plants are largely mediated through the changing photoperiod (i.e., the photophase or duration of daylight). We review that in mammals, daylight specifically regulates SCN (suprachiasmatic nucleus) circadian organization and its control of melatonin secretion. The timing of melatonin secretion interacts with gene transcription in the pituitary pars tuberalis to modulate production of TSH (thyrotropin), hypothalamic T3 (triiodothyronine), and tuberalin peptides which modulate pituitary production of regulatory gonadotropins and other hormones. Pituitary hormones largely mediate seasonal physiologic and behavioral variations. As a result of long winter nights or inadequate illumination, we propose that delayed morning offset of nocturnal melatonin secretion, suppressing pars tuberalis function, could be the main cause for winter depression and even cause depressions at other times of year. Irregularities of circadian sleep timing and thyroid homeostasis contribute to depression. Bright light and sleep restriction are antidepressant and conversely, sometimes trigger mania. We propose that internal desynchronization or bifurcation of SCN circadian rhythms may underlie rapid-cycling manic-depressive disorders and perhaps most mania. Much further research will be needed to add substance to these theories.
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Affiliation(s)
- Daniel F Kripke
- Department of Psychiatry and Center for Circadian Biology, University of California, San Diego, CA, 92093-0603, USA
| | - Jeffrey A Elliott
- Department of Psychiatry and Center for Circadian Biology, University of California, San Diego, CA, 92093-0603, USA
| | - David K Welsh
- Department of Psychiatry and Center for Circadian Biology, University of California, San Diego, CA, 92093-0603, USA
| | - Shawn D Youngstedt
- College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, 85004-4431, USA
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