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Longoria KD, Nguyen TC, Franco-Rocha O, Garcia SR, Lewis KA, Gandra S, Cates F, Wright ML. A sum of its parts: A systematic review evaluating biopsychosocial and behavioral determinants of perinatal depression. PLoS One 2024; 19:e0290059. [PMID: 38995978 PMCID: PMC11244847 DOI: 10.1371/journal.pone.0290059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 06/28/2024] [Indexed: 07/14/2024] Open
Abstract
INTRODUCTION Depression is one of the most common yet underdiagnosed perinatal complications and our understanding of its pathophysiology remains limited. Though perinatal depression is considered to have a multifactorial etiology, integrative approaches to investigation are minimal. This review takes an integrative approach to systematically evaluate determinants (e.g., biological, behavioral, environmental, social) and interactions among determinants of perinatal depression and the quality of methods applied. METHODS Four databases (i.e., PubMed, CINAHL, APA PsycInfo, Web of Science) were systematically searched to identify studies examining determinants of perinatal depression in adult perinatal persons (≥ 18 years). Articles were excluded if the outcomes were not focused on perinatal persons and depression or depression symptoms, depression was examined in a specific subpopulation evidenced to have psychological consequences due to situational stressors (e.g., fetal/infant loss, neonatal intensive care unit admission), or was considered grey literature. The Critical Appraisal Skills Programme and AXIS tools were used to guide and standardize quality appraisal assessments and determine the level of risk of bias. RESULTS Of the 454 articles identified, 25 articles were included for final review. A total of 14 categories of determinants were investigated: biological (5), behavioral (4), social and environmental (5). Though only 32% of studies simultaneously considered determinants under more than one domain, a pattern of interactions with the tryptophan pathway emerged. Concerns for risk of bias were noted or were unclear for three types of bias: 13 (52%) selection bias, 3 (12%) recall bias, and 24 (96%) measurement bias. CONCLUSIONS Future research is needed to explore interactions among determinants and the tryptophan pathway; to strengthen the methods applied to this area of inquiry; and to generate evidence for best practices in reporting, selecting, and applying methods for measuring determinants and perinatal depression.
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Affiliation(s)
- Kayla D. Longoria
- School of Nursing, University of Texas at Austin, Austin, Texas, United States of America
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, San Francisco, CA, United States of America
| | - Tien C. Nguyen
- College of Natural Sciences, University of Texas at Austin, Austin, Texas, United States of America
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America
| | - Oscar Franco-Rocha
- School of Nursing, University of Texas at Austin, Austin, Texas, United States of America
| | - Sarina R. Garcia
- College of Natural Sciences, University of Texas at Austin, Austin, Texas, United States of America
| | - Kimberly A. Lewis
- School of Nursing, University of Texas at Austin, Austin, Texas, United States of America
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, San Francisco, CA, United States of America
| | - Sreya Gandra
- College of Natural Sciences, University of Texas at Austin, Austin, Texas, United States of America
- College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
| | - Frances Cates
- College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
| | - Michelle L. Wright
- School of Nursing, University of Texas at Austin, Austin, Texas, United States of America
- Department of Women’s Health, Dell Medical School at The University of Texas at Austin, Austin, Texas, United States of America
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Longoria KD, Nguyen TC, Franco-Rocha O, Garcia SR, Lewis KA, Gandra S, Cates F, Wright ML. A sum of its parts: A systematic review evaluating biopsychosocial and behavioral determinants of perinatal depression. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.08.02.23293552. [PMID: 37577597 PMCID: PMC10418297 DOI: 10.1101/2023.08.02.23293552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Introduction Depression is one of the most common yet underdiagnosed perinatal complications and our understanding of the pathophysiology remains limited. Though perinatal depression is considered to have a multifactorial etiology, integrative approaches to investigation are minimal. This review takes an integrative approach to systematically evaluate determinants and potential interactions among determinants of perinatal depression across four domains (i.e., biological, behavioral, environmental, social) and appraise the quality of methods applied. Methods Four databases (i.e., PubMed, CINAHL, APA PsycInfo, and Web of Science) were systematically searched to identify studies examining determinants of perinatal depression in adult perinatal persons (≥ 18 years). Articles were excluded if the outcomes were not focused on perinatal persons and depression or depression symptoms, the evaluation of depression was specific to a discrete facet of the perinatal period with probable psychological consequences (e.g., abortion, fetal/infant loss, adoption), or was considered grey literature. The Critical Appraisal Skills Programme and AXIS tools were used to guide and standardize quality appraisal assessments and determine the level of risk of bias. Results Of the 454 articles identified, 25 articles were included for final review. A total of 14 categories of determinants were investigated: biological (5), behavioral (4), social and environmental (5). Though only 28% of studies simultaneously considered determinants under more than one domain, a pattern of interactions with the tryptophan pathway emerged when determinants across domains were aggregated. Concerns for risk of bias were noted or were unclear for three types of bias: 13 (52%) selection bias, 3 (12%) recall bias, and 24 (96%) measurement bias. Conclusions Future research is needed to explore interactions among determinants and the tryptophan pathway; to strengthen the methods applied to this area of inquiry; and to generate evidence for best practices in reporting, selecting, and applying methods for measuring determinants and perinatal depression.
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Affiliation(s)
- Kayla D. Longoria
- School of Nursing, University of Texas at Austin, Austin, Texas, USA
| | - Tien C. Nguyen
- College of Natural Sciences, University of Texas at Austin, Austin, Texas, USA
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | | | - Sarina R. Garcia
- College of Natural Sciences, University of Texas at Austin, Austin, Texas, USA
| | - Kimberly A. Lewis
- School of Nursing, University of Texas at Austin, Austin, Texas, USA
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco
| | - Sreya Gandra
- College of Natural Sciences, University of Texas at Austin, Austin, Texas, USA
- College of Liberal Arts, University of Texas at Austin, Austin, Texas, USA
| | - Frances Cates
- College of Liberal Arts, University of Texas at Austin, Austin, Texas, USA
| | - Michelle L. Wright
- School of Nursing, University of Texas at Austin, Austin, Texas, USA
- Department of Women’s Health, Dell Medical School at The University of Texas at Austin, Austin, Texas, USA
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Martens MAG, Dalton N, Scaife J, Harmer CJ, Harrison PJ, Tunbridge EM. Catechol-O-methyltransferase activity does not influence emotional processing in men. J Psychopharmacol 2022; 36:768-775. [PMID: 35443830 PMCID: PMC9150146 DOI: 10.1177/02698811221089032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Catechol-O-methyltransferase (COMT) regulates cortical dopaminergic transmission and prefrontal-dependent cognitive function. However, its role in other cognitive processes, including emotional processing, is relatively unexplored. We therefore investigated the separate and interactive influences of COMT inhibition and Val158Met (rs4680) genotype on performance on an emotional test battery. METHODS We recruited 74 healthy men homozygous for the functional COMT Val158Met polymorphism. Volunteers were administered either a single 200 mg dose of the brain-penetrant COMT inhibitor tolcapone or placebo in a double-blind, randomised manner. Emotional processing was assessed using the emotional test battery, and mood was rated using visual analogue scales and the Profile of Mood States (POMS) questionnaire across the test day. RESULTS There were no main or interactive effects of Val158Met genotype or tolcapone on any of the emotional processing measures or mood ratings. CONCLUSIONS Our findings suggest that, at least in healthy adult men, COMT has little or no effect on emotional processing or mood. These findings contrast with several neuroimaging studies that suggest that COMT modulates neural activity during emotional processing. Thus, further studies are required to understand how COMT impacts on the relationship between behavioural output and neural activity during emotional processing. Nevertheless, our data suggest that novel COMT inhibitors under development for treating cognitive dysfunction are unlikely to have acute off target effects on emotional behaviours.
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Affiliation(s)
- Marieke AG Martens
- Department of Psychiatry, University of Oxford, Oxford, UK,Oxford Health NHS Foundation Trust, Oxford, UK,Marieke AG Martens, Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, UK.
| | - Nina Dalton
- Department of Psychiatry, University of Oxford, Oxford, UK
| | - Jessica Scaife
- Department of Psychiatry, University of Oxford, Oxford, UK,Oxford Health NHS Foundation Trust, Oxford, UK
| | - Catherine J Harmer
- Department of Psychiatry, University of Oxford, Oxford, UK,Oxford Health NHS Foundation Trust, Oxford, UK
| | - Paul J Harrison
- Department of Psychiatry, University of Oxford, Oxford, UK,Oxford Health NHS Foundation Trust, Oxford, UK
| | - Elizabeth M Tunbridge
- Department of Psychiatry, University of Oxford, Oxford, UK,Oxford Health NHS Foundation Trust, Oxford, UK
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Yin Y, Xie C, Zhang H, Zhang H, Zhang Z, Yuan Y. COMT Val158Met Polymorphism Influences the Cerebral Blood Flow Changes Related to Psychomotor Retardation in Major Depressive Disorder. Neuropsychiatr Dis Treat 2022; 18:2159-2169. [PMID: 36187559 PMCID: PMC9521236 DOI: 10.2147/ndt.s379146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/14/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Previous studies revealed different cerebral blood flow (CBF) changes of major depressive disorder (MDD) patients with psychomotor retardation (PMR). These different changes might result from the modulation of other factors, such as genes. This study aimed to investigate the influence of COMT Val158Met polymorphism on the CBF alterations in MDD patients with PMR. METHODS COMT Val158Met genotypes and arterial spin labeling-magnetic resonance imaging (ASL-MRI) data of 103 Chinese Han participants (63 MDD, 40 NCs) were collected in this study. MDD patients were divided into PMR group (N = 23) and NPMR group (N = 40) according to the Salpetriere Retardation Rating Scale score. PMR, NPMR and NCs groups were further divided into two subgroups, respectively, based on the COMT Val158Met genotype. CBF throughout the whole brain was calculated based on the ASL-MRI data. A two-way factorial analysis of covariance was used to investigate the main effects of PMR, COMT Met allele, as well as the interactions between COMT genotype and PMR on the CBF in a voxel-wise manner. Partial correlation analyses were also applied to evaluate the association between the CBF of significant brain regions and the PMR severity. RESULTS Main effect of PMR mainly influenced the CBF of the prefrontal cortex (PFC). Main effect of COMT Met allele mainly influenced the CBF of the thalamus. The interaction between PMR and COMT Met allele primarily influenced the CBF of left precuneus and right caudate. The CBF of PFC was positively correlated with the PMR severity. CONCLUSION Our findings indicate that the COMT Met allele could modulate the CBF changes of the left precuneus and right caudate in MDD patients with PMR, providing additional layer of information regarding earlier reports for different CBF changes of MDD patients with psychomotor retardation in the literature, which were assessed irrespective of polymorphisms among patients.
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Affiliation(s)
- Yingying Yin
- Department of Psychosomatics and Psychiatry, ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, 210009, People's Republic of China.,Institute of Psychosomatics, Medical School of Southeast University, Nanjing, 210009, People's Republic of China
| | - Chunming Xie
- Department of Neurology, ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Haisan Zhang
- Departments of Clinical Magnetic Resonance Imaging, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453002, People's Republic of China
| | - Hongxing Zhang
- Departments of Psychiatry, the Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453002, People's Republic of China
| | - Zhijun Zhang
- Department of Neurology, ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Yonggui Yuan
- Department of Psychosomatics and Psychiatry, ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, 210009, People's Republic of China.,Institute of Psychosomatics, Medical School of Southeast University, Nanjing, 210009, People's Republic of China
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5
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Juárez-Cedillo T, González-Figueroa E, Martínez-Rodríguez N, Fragosos JM, Garrido-Acosta O, Vargas-Alarcón G. Influence of COMT polymorphism in cognitive performance on dementia in community-dwelling elderly Mexican (SADEM study). Metab Brain Dis 2021; 36:1223-1229. [PMID: 33900525 DOI: 10.1007/s11011-021-00740-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/14/2021] [Indexed: 10/21/2022]
Abstract
There is an inconsistent finding about the relationship of catechol-O-methyltransferase (COMT) with dementia susceptibility, as well as with cognitive impairment. To substantiate this, we examined COMT genotype effects in certain cognitive domains in dementia. To evaluate the effects of COMT Val158Met on cognitive performance, we used The Mini-Mental State Examination (MMSE), the cognitive subscale of the Alzheimer's Disease Assessment Scale-cognitive (ADAS-cog) and the Syndrome Kurz Test (SKT). The results show COMT Val/Met, Val/Val genotype polymorphisms had a significant effect on cognition performance (OR = 1.75 (95 %CI 1.22-2.54) and (OR = 2.76 (95 %CI 1.78-4.26), p < 0.001), and with adjustment for all cognitive test scores together, Val/Val (OR = 4.98 (95 % CI 1.47-16.86) and Val/Met (OR = 3.62 (95 % CI 1.37-9.56) had effect. Our study allows us to understand the role of COMT in cognitive performance in dementia, as well as interaction with other known risk factors for this pathology. This data might help in developing new therapeutic targets for cognitive impairment, main symptom of dementia. Other risk genotypes or haplotypes should be evaluated to determine the association with cognitive decline in dementia.
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Affiliation(s)
- Teresa Juárez-Cedillo
- Unidad de Investigación Epidemiológica y en Servicios de Salud Área Envejecimiento, Instituto Mexicano del Seguro Social, Mexico City, Mexico.
- Unidad de Investigación en Epidemiología Clínica, Hospital General Regional No 1 Doctor Carlos Mac Gregor Sánchez Navarro. Instituto Mexicano del Seguro Social , Mexico City, Mexico.
| | - Evangelina González-Figueroa
- Unidad de Investigación en Epidemiología Clínica, Hospital General Regional No 1 Doctor Carlos Mac Gregor Sánchez Navarro. Instituto Mexicano del Seguro Social , Mexico City, Mexico
| | - Nancy Martínez-Rodríguez
- Epidemiology, Endocrinology & Nutrition Research Unit, Hospital Infantil de México "Federico Gómez", Mexico City, Mexico
| | - Jose M Fragosos
- Departamento de Biología Molecular, Instituto Nacional de Cardiología 'Ignacio Chávez', Mexico City, México
| | - Osvaldo Garrido-Acosta
- Facultad de Estudios Superiores Zaragoza, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Gilberto Vargas-Alarcón
- Departamento de Biología Molecular, Instituto Nacional de Cardiología 'Ignacio Chávez', Mexico City, México
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6
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van Tol MJ, van der Wee NJA, Veltman DJ. Fifteen years of NESDA Neuroimaging: An overview of results related to clinical profile and bio-social risk factors of major depressive disorder and common anxiety disorders. J Affect Disord 2021; 289:31-45. [PMID: 33933910 DOI: 10.1016/j.jad.2021.04.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 10/21/2022]
Abstract
The longitudinal Netherlands Study of Depression and Anxiety (NESDA) Neuroimaging study was set up in 2003 to investigate whether neuroanatomical and functional abnormalities during tasks of primary emotional processing, executive planning and memory formation, and intrinsic brain connectivity are i) shared by individuals with major depressive disorder (MDD) and common anxiety disorders; and ii) characterized by symptomatology-specific abnormalities. Furthermore, questions related to individual variations in vulnerability for onset, comorbidity, and longitudinal course could be investigated. Between 2005 and 2007, 233 individuals fulfilling a diagnosis of MDD, panic disorder, social anxiety disorder and/or generalized anxiety disorder and 68 healthy controls aging between 18 and 57 were invited from the NESDA main sample (n = 2981). An emotional faces processing task, an emotional word-encoding task, and an executive planning task were administered during 3T BOLD-fMRI acquisitions. In addition, resting state BOLD-fMRI was acquired and T1-weighted structural imaging was performed. All participants were invited to participate in the two-year and nine-year follow-up MRI measurement. Fifteen years of NESDA Neuroimaging demonstrated common morphological and neurocognitive abnormalities across individuals with depression and anxiety disorders. It however provided limited support for the idea of more extensive abnormalities in patients suffering from both depression and anxiety, despite their worse prognosis. Risk factors including childhood maltreatment and specific risk genes had an emotion processing modulating effect, apparently stronger than effects of diagnostic labels. Furthermore, brain imaging data, especially during emotion processing seemed valuable for predicting the long-term course of affective disorders, outperforming prediction based on clinical information alone.
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Affiliation(s)
- M J van Tol
- University of Groningen, University Medical Center Groningen, Department of Biomedical Sciences of Cells and Systems, Cognitive Neuroscience Center, Groningen, the Netherlands.
| | - N J A van der Wee
- Department of Psychiatry and Leiden Institute for Brain and Cognition, Leiden University Medical Center, Department of Psychiatry, Leiden, the Netherlands
| | - D J Veltman
- Department of Psychiatry, Amsterdam University Medical Center, Location VUMC and Amsterdam Neuroscience, Amsterdam, the Netherlands
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7
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Liu X, Hou Z, Yin Y, Xie C, Zhang H, Zhang H, Zhang Z, Yuan Y. Dopamine Multilocus Genetic Profile, Spontaneous Activity of Left Superior Temporal Gyrus, and Early Therapeutic Effect in Major Depressive Disorder. Front Psychiatry 2020; 11:591407. [PMID: 33414733 PMCID: PMC7782966 DOI: 10.3389/fpsyt.2020.591407] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 11/17/2020] [Indexed: 12/15/2022] Open
Abstract
Objectives: This study aimed to examine the interactive effects of dopamine (DA) pathway gene and disease on spontaneous brain activity and further to explore the relationship between spontaneous brain activity and the early antidepressant therapeutic effect in patients with major depressive disorder (MDD). Methods: A total of 104 patients with MDD and 64 healthy controls (HCs) were recruited. The Hamilton Depression Scale-24 (HAMD-24) was used to measure the depression severity. Both groups were given resting-state functional magnetic resonance imaging (rs-fMRI) scan. The amplitude of low-frequency fluctuation (ALFF) was calculated to reflect the spontaneous brain activity based on the rs-fMRI data. After treatment for 2 weeks, depression severity was evaluated again, and HAMD-24 reductive rate was used to measure the therapeutic effect of antidepressants. Multilocus genetic profile scores (MGPS) were used to assess the multi-site cumulative effect of DA pathway gene. The interactive effects of MDD and DA pathway gene on the ALFF of regional brain areas were measured by the multivariate linear regression analysis. Finally, partial correlation analysis (age, sex, education, and illness durations as covariates) was performed to identify the relationship between regional ALFF and therapeutic effect. Results: MDD and DA-MGPS had interactive effects on the left fusiform gyrus (FG_L), right calcarine sulcus (CS_R), left superior temporal gyrus (STG_L), bilateral cerebellum posterior lobe (CPL), bilateral inferior frontal gyrus (IFG), and bilateral superior frontal gyrus (SFG). Partial correlation analysis revealed that the ALFF of STG_L had a significant negative correlation with 2-week HAMD-24 reductive rate (r = -0.211, P = 0.035). Conclusions: The spontaneous activity of STG_L may be a potential biomarker of antidepressant-related early therapeutic effect underlying the influence of DA pathway genes in MDD.
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Affiliation(s)
- Xiaoyun Liu
- Department of Psychosomatics and Psychiatry, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Zhenghua Hou
- Department of Psychosomatics and Psychiatry, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yingying Yin
- Department of Psychosomatics and Psychiatry, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Chunming Xie
- Department of Neurology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Haisan Zhang
- Departments of Clinical Magnetic Resonance Imaging, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Hongxing Zhang
- Departments of Psychiatry, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Zhijun Zhang
- Department of Neurology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yonggui Yuan
- Department of Psychosomatics and Psychiatry, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
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8
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Porter T, Burnham SC, Milicic L, Savage G, Maruff P, Sohrabi HR, Peretti M, Lim YY, Weinborn M, Ames D, Masters CL, Martins RN, Rainey-Smith S, Rowe CC, Salvado O, Groth D, Verdile G, Villemagne VL, Laws SM. COMT val158met is not associated with Aβ-amyloid and APOE ε4 related cognitive decline in cognitively normal older adults. IBRO Rep 2019; 6:147-152. [PMID: 31080907 PMCID: PMC6506436 DOI: 10.1016/j.ibror.2019.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 05/01/2019] [Indexed: 11/26/2022] Open
Abstract
The non-synonymous single nucleotide polymorphism (SNP), Val158Met within the Catechol-O-methyltransferase (COMT) gene has been associated with altered levels of cognition and memory performance in cognitively normal adults. This study aimed to investigate the independent and interactional effects of COMT Val158Met on cognitive performance. In particular, it was hypothesised that COMT Val158Met would modify the effect of neocortical Aβ-amyloid (Aβ) accumulation and carriage of the apolipoprotein E (APOE) ε4 allele on cognition in preclinical Alzheimer's disease (AD). In 598 cognitively normal older adults with known neocortical Aβ levels, linear mixed modelling revealed no significant independent or interactional associations between COMT Val158Met and cognitive decline. These findings do not support previous associations between COMT Val158Met and cognitive performance and suggest this variant does not influence Aβ-amyloid or APOE ε4 driven cognitive decline in a well characterised cohort of cognitively normal older adults.
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Affiliation(s)
- Tenielle Porter
- Collaborative Genomics Group, Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia.,Cooperative Research Centre for Mental Health, Australia
| | - Samantha C Burnham
- CSIRO Health and Biosecurity, Parkville 3052, Victoria, Australia.,Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia
| | - Lidija Milicic
- Collaborative Genomics Group, Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia.,Cooperative Research Centre for Mental Health, Australia
| | - Greg Savage
- ARC Centre of Excellence in Cognition and its Disorders, Department of Psychology, Macquarie University, North Ryde 2113, NSW, Australia
| | - Paul Maruff
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville 3052, Victoria, Australia.,CogState Ltd., Melbourne 3000, Victoria, Australia
| | - Hamid R Sohrabi
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia
| | - Madeline Peretti
- Collaborative Genomics Group, Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia.,Cooperative Research Centre for Mental Health, Australia
| | - Yen Ying Lim
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville 3052, Victoria, Australia
| | - Michael Weinborn
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia.,School of Psychology, University of Western Australia, Crawley 6009, Western Australia, Australia
| | - David Ames
- Academic Unit for Psychiatry of Old Age, St. Vincent's Health, The University of Melbourne, Kew 3101, Victoria, Australia.,National Ageing Research Institute, Parkville 3052, Victoria, Australia
| | - Colin L Masters
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville 3052, Victoria, Australia
| | - Ralph N Martins
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia
| | - Stephanie Rainey-Smith
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia
| | - Christopher C Rowe
- Department of Nuclear Medicine and Centre for PET, Austin Health, Heidelberg 3084, Victoria, Australia.,Department of Medicine, Austin Health, The University of Melbourne, Heidelberg 3084, Victoria, Australia
| | - Olivier Salvado
- CSIRO Health and Biosecurity/Australian e-Health Research Centre, Herston 4029, Queensland, Australia
| | - David Groth
- School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin Health Innovation Research Institute, Curtin University, Bentley 6102, Western Australia, Australia
| | - Giuseppe Verdile
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia.,School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin Health Innovation Research Institute, Curtin University, Bentley 6102, Western Australia, Australia
| | - Victor L Villemagne
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville 3052, Victoria, Australia.,Department of Nuclear Medicine and Centre for PET, Austin Health, Heidelberg 3084, Victoria, Australia.,Department of Medicine, Austin Health, The University of Melbourne, Heidelberg 3084, Victoria, Australia
| | - Simon M Laws
- Collaborative Genomics Group, Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Western Australia, Australia.,Cooperative Research Centre for Mental Health, Australia.,School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin Health Innovation Research Institute, Curtin University, Bentley 6102, Western Australia, Australia
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The Association Between Affective Temperament Traits and Dopamine Genes in Obese Population. Int J Mol Sci 2019; 20:ijms20081847. [PMID: 30991630 PMCID: PMC6515197 DOI: 10.3390/ijms20081847] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Accepted: 04/10/2019] [Indexed: 12/18/2022] Open
Abstract
Studies indicate the heritable nature of affective temperament, which shows personality traits predisposing to the development of mental disorders. Dopaminergic gene polymorphisms such as DRD4, COMTVal158Met, and DAT1 have been linked to affective disorders in obesity. Due to possible correlation between the aforementioned polymorphisms and the affective temperament, the aim of our research was to investigate this connection in an obese population. The study enrolled 245 obese patients (178 females; 67 males). The affective temperament was assessed using the Temperament Evaluation of Memphis, Pisa, Paris, and San Diego autoquestionnaire (TEMPS-A). Genetic polymorphisms of DAT1, COMTVal158Met and DRD4 were collected from peripheral blood sample and determined using a polymerase chain reaction (PCR). Only in COMT polymorphisms, the cyclothymic and irritable dimensions were significantly associated with Met/Val carriers (p = 0.04; p = 0.01). Another interesting finding was the correlation between the affective temperament and age in men and women. We assume that dopamine transmission in heterozygotes of COMT may determine the role of the affective temperament in obese persons. Dopaminergic transmission modulated by COMT may be responsible for a greater temperament expression in obese individuals. To our knowledge, this is the first study describing the role of affective temperament in the obese population, but more research is needed in this regard.
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Chao JK, Yang MC, Chen CS, Wang IC, Kao WT, Shi MD. A gender-specific COMT haplotype contributes to risk modulation rather than disease severity of major depressive disorder in a Chinese population. J Affect Disord 2019; 246:376-386. [PMID: 30597299 DOI: 10.1016/j.jad.2018.12.088] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/30/2018] [Accepted: 12/24/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND COMT rs4680 Val158 allele is associated with high MB-COMT protein expression and elevated activity compared to the Met158 allele in post-mortem brains. A meta-analysis study suggested the link between COMT SNPs and MDD risk; in addition, MB membrane-bound (MB-COMT) specific genetic variation was reported that influences predisposition to depression amongst females. METHODS Four tagSNPs, including rs4680, were genotyped. 268 MDD subjects and 223 controls were enrolled. MDD severity was rated by HDRS. Total-COMT and MB-COMT mRNA were detected by quantitative PCR. COMT protein and activity were assayed by western blot and methyltransferase assay, respectively. RESULTS Haplotype TG of rs4633-rs4680, rs4646312 C, and rs4633 T allele might be linked to MDD vulnerability. Haplotype TG may interact with gender and affect MDD risk, since female haplotype TG carriers were estimated for a 9.17-fold higher risk than counterparts. COMT SNPs were not associated with HDRS scores. Haplotype TG female controls had higher MB-COMT protein, whereas non-TG female controls had higher soluble cytoplasmic (S-COMT) protein than other groups. COMT activity was much higher in controls than in MDD subjects. LIMITATIONS Restricted numbers of homozygous TG carriers were recruited and analyzed for COMT mRNA, protein and activity. Only peripheral blood samples were used. CONCLUSIONS A female-specific haplotype (haplotype TG)-MDD vulnerability association was found. TG female controls had higher MB-COMT protein and S-COMT. Altogether, high COMT protein and activity in female TG controls may be predisposing factors for enhanced MDD risk, though not correlated to MDD severity as rated by HDRS.
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Affiliation(s)
- Jian-Kang Chao
- Department of Psychiatry, Pingtung Branch, Kaohsiung Veterans General Hospital, Pingtung 91245, Taiwan; Department of Psychiatry, Yuli Branch, Taipei Veterans General Hospital, Hualien 98142, Taiwan; Department of Social Work, National Pingtung University of Science & Technology, Pingtung 91201, Taiwan
| | - Ming-Chang Yang
- Laboratories of Medical Research, Center for Education and Faculty Development, Kaohsiung Armed Forces General Hospital, Kaohsiung 80284, Taiwan
| | - Chia-Sheng Chen
- Department of Psychiatry, Kaohsiung Armed Forces General Hospital, Kaohsiung 80284, Taiwan
| | - I-Chou Wang
- Department of Rehabilitation, Kaohsiung Veterans General Hospital Tainan Branch, Tainan 71051, Taiwan
| | - Wei-Tsung Kao
- Laboratories of Medical Research, Center for Education and Faculty Development, Kaohsiung Armed Forces General Hospital, Kaohsiung 80284, Taiwan; Department of Psychiatry, Kaohsiung Armed Forces General Hospital, Kaohsiung 80284, Taiwan.
| | - Ming-Der Shi
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital Tainan Branch, Tainan 71051, Taiwan; Department of Medical Science and Biotechnology, Chung Hwa University of Medical Technology, Tainan 71703, Taiwan, R.O.C..
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11
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Klaus K, Pennington K. Dopamine and Working Memory: Genetic Variation, Stress and Implications for Mental Health. Curr Top Behav Neurosci 2019; 41:369-391. [PMID: 31502081 DOI: 10.1007/7854_2019_113] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
At the molecular level, the neurotransmitter dopamine (DA) is a key regulatory component of executive function in the prefrontal cortex (PFC) and dysfunction in dopaminergic (DAergic) circuitry has been shown to result in impaired working memory (WM). Research has identified multiple common genetic variants suggested to impact on the DA system functionally and also behaviourally to alter WM task performance. In addition, environmental stressors impact on DAergic tone, and this may be one mechanism by which stressors confer vulnerability to the development of neuropsychiatric conditions. This chapter aims to evaluate the impact of key DAergic gene variants suggested to impact on both synaptic DA levels (COMT, DAT1, DBH, MAOA) and DA receptor function (ANKK1, DRD2, DRD4) in terms of their influence on visuospatial WM. The role of stressors and interaction with the genetic background is discussed in addition to discussion around some of the implications for precision psychiatry. This and future work in this area aim to disentangle the neural mechanisms underlying susceptibility to stress and their impact and relationship with cognitive processes known to influence mental health vulnerability.
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Affiliation(s)
- Kristel Klaus
- MRC Brain and Cognition Unit, University of Cambridge, Cambridge, UK
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12
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Pereira LP, Köhler CA, Stubbs B, Miskowiak KW, Morris G, de Freitas BP, Thompson T, Fernandes BS, Brunoni AR, Maes M, Pizzagalli DA, Carvalho AF. Imaging genetics paradigms in depression research: Systematic review and meta-analysis. Prog Neuropsychopharmacol Biol Psychiatry 2018; 86:102-113. [PMID: 29778546 PMCID: PMC6240165 DOI: 10.1016/j.pnpbp.2018.05.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 05/15/2018] [Accepted: 05/16/2018] [Indexed: 12/29/2022]
Abstract
Imaging genetics studies involving participants with major depressive disorder (MDD) have expanded. Nevertheless, findings have been inconsistent. Thus, we conducted a systematic review and meta-analysis of imaging genetics studies that enrolled MDD participants across major databases through June 30th, 2017. Sixty-five studies met eligibility criteria (N = 4034 MDD participants and 3293 controls), and there was substantial between-study variability in the methodological quality of included studies. However, few replicated findings emerged from this literature with only 22 studies providing data for meta-analyses (882 participants with MDD and 616 controls). Total hippocampal volumes did not significantly vary in MDD participants or controls carrying either the BDNF Val66Met 'Met' (386 participants with MDD and 376 controls) or the 5-HTTLPR short 'S' (310 participants with MDD and 230 controls) risk alleles compared to non-carriers. Heterogeneity across studies was explored through meta-regression and subgroup analyses. Gender distribution, the use of medications, segmentation methods used to measure the hippocampus, and age emerged as potential sources of heterogeneity across studies that assessed the association of 5-HTTLPR short 'S' alleles and hippocampal volumes. Our data also suggest that the methodological quality of included studies, publication year, and the inclusion of brain volume as a covariate contributed to the heterogeneity of studies that assessed the association of the BDNF Val66Met 'Met' risk allele and hippocampal volumes. In exploratory voxel-wise meta-analyses, MDD participants carrying the 5-HTTLPR short 'S' allele had white matter microstructural abnormalities predominantly in the corpus callosum, while carriers of the BDNF Val66Met 'Met' allele had larger gray matter volumes and hyperactivation of the right middle frontal gyrus compared to non-carriers. In conclusion, few replicated findings emerged from imaging genetics studies that included participants with MDD. Nevertheless, we explored and identified specific sources of heterogeneity across studies, which could provide insights to enhance the reproducibility of this emerging field.
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Affiliation(s)
- Lícia P Pereira
- Department of Clinical Medicine, Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil; Centre for Addiction & Mental Health (CAMH), Toronto, ON, Canada
| | - Cristiano A Köhler
- Department of Clinical Medicine, Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Brendon Stubbs
- Institute for Clinical Research and Education in Medicine (IREM), Padova, Italy; South London and Maudsley NHS Foundation Trust, Denmark Hill, London SE5 8AZ, United Kingdom; Psychology and Neuroscience (IoPPN), King's College London, Institute of Psychiatry,De Crespigny Park, London SE5 8 AF, United Kingdom; Faculty of Health, Social Care and Education, Anglia Ruskin University, Chelmsford CM1 1SQ, United Kingdom
| | - Kamilla W Miskowiak
- Copenhagen Affective Disorders Research Centre, Copenhagen Psychiatric Centre, Copenhagen University Hospital, Rigshospitalet, Denmark
| | - Gerwyn Morris
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, Australia
| | - Bárbara P de Freitas
- Department of Clinical Medicine, Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Trevor Thompson
- Faculty of Education and Health, University of Greenwich, London, United Kingdom
| | - Brisa S Fernandes
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, Australia; Department of Biochemistry, Laboratory of Calcium Binding Proteins in the Central Nervous System, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - André R Brunoni
- Department and Institute of Psychiatry, Service of Interdisciplinary Neuromodulation, Laboratory of Neurosciences (LIM-27), Interdisciplinary Center for Applied Neuromodulation University Hospital, University of São Paulo, São Paulo, Brazil
| | - Michael Maes
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, Australia; Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Diego A Pizzagalli
- Department of Psychiatry, Harvard Medical School, Belmont, MA 02478, USA; McLean Hospital, Belmont, MA 02478, USA
| | - André F Carvalho
- McLean Hospital, Belmont, MA 02478, USA; Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
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13
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Yüksel D, Dietsche B, Konrad C, Dannlowski U, Kircher T, Krug A. Neural correlates of working memory in first episode and recurrent depression: An fMRI study. Prog Neuropsychopharmacol Biol Psychiatry 2018; 84:39-49. [PMID: 29421266 DOI: 10.1016/j.pnpbp.2018.02.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 02/01/2018] [Accepted: 02/03/2018] [Indexed: 01/11/2023]
Abstract
BACKGROUND Patients suffering from major depressive disorder (MDD) show deficits in working memory (WM) performance accompanied by bilateral fronto-parietal BOLD signal changes. It is unclear whether patients with a first depressive episode (FDE) exhibit the same signal changes as patients with recurrent depressive episodes (RDE). METHODS We investigated seventy-four MDD inpatients (48 RDE, 26 FDE) and 74 healthy control (HC) subjects performing an n-back WM task (0-back, 2-back, 3-back condition) in a 3T-fMRI. RESULTS FMRI analyses revealed deviating BOLD signal in MDD in the thalamus (0-back vs. 2-back), the angular gyrus (0-back vs. 3-back), and the superior frontal gyrus (2-back vs. 3-back). Further effects were observed between RDE vs. FDE. Thus, RDE displayed differing neural activation in the middle frontal gyrus (2-back vs. 3-back), the inferior frontal gyrus, and the precentral gyrus (0-back vs. 2-back). In addition, both HC and FDE indicated a linear activation trend depending on task complexity. CONCLUSIONS Although we failed to find behavioral differences between the groups, results suggest differing BOLD signal in fronto-parietal brain regions in MDD vs. HC, and in RDE vs. FDE. Moreover, both HC and FDE show similar trends in activation shapes. This indicates a link between levels of complexity-dependent activation in fronto-parietal brain regions and the stage of MDD. We therefore assume that load-dependent BOLD signal during WM is impaired in MDD, and that it is particularly affected in RDE. We also suspect neurobiological compensatory mechanisms of the reported brain regions in (working) memory functioning.
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Affiliation(s)
- Dilara Yüksel
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany.
| | - Bruno Dietsche
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
| | - Carsten Konrad
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany; Agaplesion Diakonieklinikum Rotenburg, Centre for Psychosocial Medicine, Elise-Averdieck-Straße 17, 27356 Rotenburg (Wümme), Germany
| | - Udo Dannlowski
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany; Department of Psychiatry, University of Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
| | - Axel Krug
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
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Zhang HF, Mellor D, Peng DH. Neuroimaging genomic studies in major depressive disorder: A systematic review. CNS Neurosci Ther 2018; 24:1020-1036. [PMID: 29476595 DOI: 10.1111/cns.12829] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 01/19/2018] [Accepted: 01/27/2018] [Indexed: 01/06/2023] Open
Abstract
Genetic-neuroimaging studies could identify new potential endophenotypes of major depressive disorder (MDD). Morphological and functional alterations may be attributable to genetic factors that regulate neurogenesis and neurodegeneration. Given that the association between gene polymorphisms and brain morphology or function has varied across studies, this systematic review aims at evaluating and summarizing all available genetic-neuroimaging studies. Twenty-eight gene variants were evaluated in 64 studies by structural or functional magnetic resonance imaging. Significant genetic-neuroimaging associations were found in monoaminergic genes, BDNF genes, glutamatergic genes, HPA axis genes, and the other common genes, which were consistent with common hypotheses of the pathogenesis of MDD.
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Affiliation(s)
- Hui-Feng Zhang
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - David Mellor
- School of Psychology, Deakin University, Melbourne, Australia
| | - Dai-Hui Peng
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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15
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Stoyanov D, Kandilarova S, Borgwardt S. Translational Functional Neuroimaging in the Explanation of Depression. Balkan Med J 2017; 34:493-503. [PMID: 29019461 PMCID: PMC5785653 DOI: 10.4274/balkanmedj.2017.1160] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Translation as a notion and procedure is deeply embodied in medical science and education. Translation includes the possibility to translate data across disciplines to improve diagnosis and treatment procedures. The evidence accumulated using translation serves as a vehicle for reification of medical diagnoses. There are promising, established post hoc correlations between the different types of clinical tools (interviews and inventories) and neuroscience. The various measures represent statistical correlations that must now be integrated into diagnostic standards and procedures but this, as a whole, is a step forward towards a better understanding of the mechanisms underlying psychopathology in general and depression in particular. Here, we focus on functional magnetic resonance imaging studies using a trans-disciplinary approach and attempt to establish bridges between the different fields. We will selectively highlight research areas such as imaging genetics, imaging immunology and multimodal imaging, as related to the diagnosis and management of depression.
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Affiliation(s)
- Drozdstoy Stoyanov
- Department of Psychiatry and Medical Psychology, Medical University of Plovdiv, Plovdiv, Bulgaria.,Research Complex for Translational Neuroscience, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Sevdalina Kandilarova
- Department of Psychiatry and Medical Psychology, Medical University of Plovdiv, Plovdiv, Bulgaria.,Research Complex for Translational Neuroscience, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Stefan Borgwardt
- Department of Psychiatry, University of Basel, Basel, Switzerland
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16
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Yüksel D, Dietsche B, Forstner AJ, Witt SH, Maier R, Rietschel M, Konrad C, Nöthen MM, Dannlowski U, Baune BT, Kircher T, Krug A. Polygenic risk for depression and the neural correlates of working memory in healthy subjects. Prog Neuropsychopharmacol Biol Psychiatry 2017. [PMID: 28624581 DOI: 10.1016/j.pnpbp.2017.06.010] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Major depressive disorder (MDD) patients show impairments of cognitive functioning such as working memory (WM), and furthermore alterations during WM-fMRI tasks especially in frontal and parietal brain regions. The calculation of a polygenic risk score (PRS) can be used to describe the genetic influence on MDD, hence imaging genetic studies aspire to combine both genetics and neuroimaging data to identify the influence of genetic factors on brain functioning. We aimed to detect the effect of MDD-PRS on brain activation during a WM task measured with fMRI and expect healthy individuals with a higher PRS to be more resembling to MDD patients. METHOD In total, n=137 (80 men, 57 women, aged 34.5, SD=10.4years) healthy subjects performed a WM n-back task [0-back (baseline), 2-back and 3-back condition] in a 3T-MRI-tomograph. The sample was genotyped using the Infinium PsychArray BeadChip and a polygenic risk score was calculated for MDD using PGC MDD GWAS results. RESULTS A lower MDD risk score was associated with increased activation in the bilateral middle occipital gyri (MOG), the bilateral middle frontal gyri (MFG) and the right precentral gyrus (PCG) during the 2-back vs. baseline condition. Moreover, a lower PRS was associated with increased brain activation during the 3-back vs. baseline condition in the bilateral cerebellum, the right MFG and the left inferior parietal lobule. A higher polygenic risk score was associated with hyperactivation in brain regions comprising the right MFG and the right supplementary motor area during the 3-back vs. 2-back condition. DISCUSSION The results suggest that part of the WM-related brain activation patterns might be explained by genetic variants captured by the MDD-PRS. Furthermore we were able to detect MDD-associated activation patterns in healthy individuals depending on the MDD-PRS and the task complexity. Additional gene loci could contribute to these task-dependent brain activation patterns.
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Affiliation(s)
- Dilara Yüksel
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany.
| | - Bruno Dietsche
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
| | - Andreas J Forstner
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany; Institute of Human Genetics, University of Bonn, Bonn, Germany; Division of Medical Genetics, Department of Biomedicine, University of Basel, Basel, Switzerland; Department of Psychiatry (UPK), University of Basel, Basel, Switzerland
| | - Stephanie H Witt
- Discipline Department of Genetic Epidemiology, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Robert Maier
- Discipline Queensland Brain Institute, The University of Queensland, Australia
| | - Marcella Rietschel
- Discipline Department of Genetic Epidemiology, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Carsten Konrad
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany; Agaplesion Diakonieklinikum Rotenberg, Centre for Psychosocial Medicine, Elise-Averdieck-Straße 17, 27356 Rotenburg (Wümme), Germany
| | - Markus M Nöthen
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany; Institute of Human Genetics, University of Bonn, Bonn, Germany
| | - Udo Dannlowski
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany; Department of Psychiatry, University of Münster, Münster, Germany
| | - Bernhard T Baune
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, Australia
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
| | - Axel Krug
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
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Gong L, He C, Yin Y, Ye Q, Bai F, Yuan Y, Zhang H, Lv L, Zhang H, Zhang Z, Xie C. Nonlinear modulation of interacting between COMT and depression on brain function. Eur Psychiatry 2017; 45:6-13. [PMID: 28728097 DOI: 10.1016/j.eurpsy.2017.05.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 04/27/2017] [Accepted: 05/20/2017] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND The catechol-O-methyltransferase (COMT) gene is related to dopamine degradation and has been suggested to be involved in the pathogenesis of major depressive disorder (MDD). However, how this gene affects brain function properties in MDD is still unclear. METHODS Fifty patients with MDD and 35 cognitively normal participants underwent a resting-state functional magnetic resonance imaging scan. A voxelwise and data-drive global functional connectivity density (gFCD) analysis was used to investigate the main effects and the interactions of disease states and COMT rs4680 gene polymorphism on brain function. RESULTS We found significant group differences of the gFCD in bilateral fusiform area (FFA), post-central and pre-central cortex, left superior temporal gyrus (STG), rectal and superior temporal gyrus and right ventrolateral prefrontal cortex (vlPFC); abnormal gFCDs in left STG were positively correlated with severity of depression in MDD group. Significant disease×COMT interaction effects were found in the bilateral calcarine gyrus, right vlPFC, hippocampus and thalamus, and left SFG and FFA. Further post-hoc tests showed a nonlinear modulation effect of COMT on gFCD in the development of MDD. Interestingly, an inverted U-shaped modulation was found in the prefrontal cortex (control system) but U-shaped modulations were found in the hippocampus, thalamus and occipital cortex (processing system). CONCLUSION Our study demonstrated nonlinear modulation of the interaction between COMT and depression on brain function. These findings expand our understanding of the COMT effect underlying the pathophysiology of MDD.
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Affiliation(s)
- L Gong
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87, DingJiaQiao Road, Nanjing, 210009 Jiangsu, PR China
| | - C He
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87, DingJiaQiao Road, Nanjing, 210009 Jiangsu, PR China
| | - Y Yin
- Department of Psychology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, 210009 Jiangsu, China
| | - Q Ye
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87, DingJiaQiao Road, Nanjing, 210009 Jiangsu, PR China
| | - F Bai
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87, DingJiaQiao Road, Nanjing, 210009 Jiangsu, PR China; Neuropsychiatric Institute, Affiliated ZhongDa Hospital, Southeast University, Nanjing, 210009 Jiangsu, China
| | - Y Yuan
- Department of Psychology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, 210009 Jiangsu, China; Neuropsychiatric Institute, Affiliated ZhongDa Hospital, Southeast University, Nanjing, 210009 Jiangsu, China
| | - H Zhang
- Department of Psychiatry, Henan Mental Hospital, the Second Hospital of Xinxiang Medical University, Xinxiang, 453002 Henan, China
| | - L Lv
- Department of Psychiatry, Henan Mental Hospital, the Second Hospital of Xinxiang Medical University, Xinxiang, 453002 Henan, China
| | - H Zhang
- Department of Psychiatry, Henan Mental Hospital, the Second Hospital of Xinxiang Medical University, Xinxiang, 453002 Henan, China
| | - Z Zhang
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87, DingJiaQiao Road, Nanjing, 210009 Jiangsu, PR China; Neuropsychiatric Institute, Affiliated ZhongDa Hospital, Southeast University, Nanjing, 210009 Jiangsu, China
| | - C Xie
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87, DingJiaQiao Road, Nanjing, 210009 Jiangsu, PR China; Neuropsychiatric Institute, Affiliated ZhongDa Hospital, Southeast University, Nanjing, 210009 Jiangsu, China.
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18
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Bastos P, Gomes T, Ribeiro L. Catechol-O-Methyltransferase (COMT): An Update on Its Role in Cancer, Neurological and Cardiovascular Diseases. Rev Physiol Biochem Pharmacol 2017; 173:1-39. [DOI: 10.1007/112_2017_2] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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19
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Abe D, Doi H, Asai T, Kimura M, Wada T, Takahashi Y, Matsumoto T, Shinohara K. Association between COMT Val158Met polymorphism and competition results of competitive swimmers. J Sports Sci 2017; 36:393-397. [PMID: 28368213 DOI: 10.1080/02640414.2017.1309058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Recent studies have shown the contribution of genetic determinants to athletes' physical ability. However, despite the fact that cognitive abilities like self-control and stress-tolerance influence athletes' competitive performance, few studies to date have investigated the association between genetic polymorphism, which is linked to cognitive ability and athletic performance. The present study investigated the link between single-nucleotide polymorphisms (SNPs), which are known to exert influences on dopaminergic neural function and competitive performance of swimmers. The results have revealed superior competitive performance in competitive swimmers with Met allele of catechol-O-methyltransferase Val158Met polymorphism than those with Val/Val genotype. The investigated SNPs of DRD2 and DRD3 were not associated with swimmer's competitive performance. This finding indicates that genetic polymorphism linked to cognitive ability influences the athletes' performance.
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Affiliation(s)
- Daisuke Abe
- a Graduate School of Biomedical Sciences , Nagasaki University , Nagasaki City , Japan
| | - Hirokazu Doi
- a Graduate School of Biomedical Sciences , Nagasaki University , Nagasaki City , Japan
| | - Taishi Asai
- a Graduate School of Biomedical Sciences , Nagasaki University , Nagasaki City , Japan
| | - Mayuko Kimura
- b Wellness Research Center , Kokushikan University , Tama , Japan
| | - Tadashi Wada
- c School of Science and Engineering , Kokushikan University , Setagaya , Japan
| | - Yuusuke Takahashi
- d School of Science and Engineering , Chuo University , Bunkyo , Japan
| | - Takaaki Matsumoto
- e School of Physical Education , Kokushikan University , Tama , Japan
| | - Kazuyuki Shinohara
- a Graduate School of Biomedical Sciences , Nagasaki University , Nagasaki City , Japan
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Guo L, Li PH, Li H, Colicino E, Colicino S, Wen Y, Zhang R, Feng X, Barrow TM, Cayir A, Baccarelli AA, Byun HM. Effects of environmental noise exposure on DNA methylation in the brain and metabolic health. ENVIRONMENTAL RESEARCH 2017; 153:73-82. [PMID: 27914298 DOI: 10.1016/j.envres.2016.11.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 11/22/2016] [Accepted: 11/23/2016] [Indexed: 05/17/2023]
Abstract
Environmental noise exposure is associated with adverse effects on human health including hearing loss, heart disease, and changes in stress-related hormone levels. Alteration in DNA methylation in response to environmental exposures is a well-known phenomenon and it is implicated in many human diseases. Understanding how environmental noise exposures affect DNA methylation patterns may help to elucidate the link between noise and adverse effects on health. In this pilot study we examined the effects of environmental noise exposure on DNA methylation of genes related to brain function and investigated whether these changes are related with metabolic health. We exposed four groups of male Wistar rats to moderate intensity noise (70-75dB with 20-4000Hz) at night for three days as short-term exposure, and for three weeks as long-term exposure. Noise exposure was limited to 45dB during the daytime. Control groups were exposed to only 45dB, day and night. We measured DNA methylation in the Bdnf, Comt, Crhr1, Mc2r, and Snca genes in tissue from four brain regions of the rats (hippocampus, frontal lobe, medulla oblongata, and inferior colliculus). Further, we measured blood pressure and body weight after long-term noise exposure. We found that environmental noise exposure is associated with gene-specific DNA methylation changes in specific regions of the brain. Changes in DNA methylation are significantly associated with changes in body weight (between Bdnf DNA methylation and Δ body weight: r=0.59, p=0.018; and between LINE-1 ORF DNA methylation and Δ body weight: =-0.80, p=0.0004). We also observed that noise exposure decreased blood pressure (p=0.038 for SBP, p=0.017 for DBP and p 0. 017 for MAP) and decreased body weight (β=-26g, p=0.008). In conclusion, environmental noise exposures can induce changes in DNA methylation in the brain, which may be associated with adverse effects upon metabolic health through modulation of response to stress-related hormones.
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Affiliation(s)
- Liqiong Guo
- Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA.
| | - Peng-Hui Li
- School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Hua Li
- Department of Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, Liaoning 116044, China
| | - Elena Colicino
- Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
| | - Silvia Colicino
- Respiratory Epidemiology, Occupational Medicine and Public Health, Imperial College, London, United Kingdom
| | - Yi Wen
- Department of Radiology, No. 531 Hospital of the PLA, Tonghua, Jilin 134000, China
| | - Ruiping Zhang
- Department of Radiology, No. 531 Hospital of the PLA, Tonghua, Jilin 134000, China
| | - Xiaotian Feng
- Department of Bioengineering, School of Mineral Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China
| | - Timothy M Barrow
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Akin Cayir
- Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
| | | | - Hyang-Min Byun
- Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
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21
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Bieliński M, Jaracz M, Lesiewska N, Tomaszewska M, Sikora M, Junik R, Kamińska A, Tretyn A, Borkowska A. Association between COMT Val158Met and DAT1 polymorphisms and depressive symptoms in the obese population. Neuropsychiatr Dis Treat 2017; 13:2221-2229. [PMID: 28860780 PMCID: PMC5571853 DOI: 10.2147/ndt.s138565] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES Depressive symptoms are common among patients with obesity. Abnormalities in dopamine signaling involved in the reward circuit may ensue excessive consumption of food, resulting in obesity and leading to neuropsychiatric disorders such as depression. This study sought to investigate the association of polymorphisms in the genes encoding DAT1/SLC6A3 and COMT with the intensity of depressive symptoms in obese subjects. PARTICIPANTS AND METHODS Prevalence and severity of depressive symptoms were assessed in a group of 364 obese patients using the Beck Depression Inventory (BDI) and the Hamilton Depression Rating Scale (HDRS). Genetic polymorphisms in DAT1 and COMT were evaluated in peripheral blood samples. RESULTS The results indicated an association between DAT1 alleles and depressive symptoms, as well as severity of obesity. Subjects homozygous for the nine-repeat allele scored higher in BDI (P=0.022) and HDRS (P=0.00001), suggesting higher intensity of depression in both sexes. This allele was also associated with the highest body mass index (BMI; P=0.001). Carriers of the Val158Met allele of COMT scored higher on both depression scales (BDI, P=0.0005; HRDS, P=0.002) and had the highest BMI values. CONCLUSION Polymorphisms in the DAT1 and COMT genes are associated with a greater intensity of depressive symptoms in the obese population.
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Affiliation(s)
- Maciej Bieliński
- Department of Clinical Neuropsychology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz
| | - Marcin Jaracz
- Department of Clinical Neuropsychology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz
| | - Natalia Lesiewska
- Department of Clinical Neuropsychology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz
| | - Marta Tomaszewska
- Department of Clinical Neuropsychology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz
| | - Marcin Sikora
- Department of Biotechnology, Nicolaus Copernicus University in Toruń, Toruń
| | - Roman Junik
- Department of Endocrinology and Diabetology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz, Poland
| | - Anna Kamińska
- Department of Endocrinology and Diabetology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz, Poland
| | - Andrzej Tretyn
- Department of Biotechnology, Nicolaus Copernicus University in Toruń, Toruń
| | - Alina Borkowska
- Department of Clinical Neuropsychology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz
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22
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Klein M, Schmoeger M, Kasper S, Schosser A. Meta-analysis of the COMT Val158Met polymorphism in major depressive disorder: the role of gender. World J Biol Psychiatry 2016; 17:147-58. [PMID: 26813412 DOI: 10.3109/15622975.2015.1083615] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Many studies have reported an association of the COMT Val158Met polymorphism and major depressive disorder (MDD), although with conflicting results. The role of gender is a possible modulator. To overcome the problem of poor sample size detecting genes of small effect, we perform a meta-analysis of the current literature, investigating the influence of the COMT Val158Met polymorphism on the pathogenesis of MDD, with a major focus on the effect of gender. METHODS Out of 977 retrieved articles, 21 included case-control studies allowed the analysis of 9005 patients with MDD and 12,095 controls. Allelic and genotypic pooled odds ratios (OR) were calculated for the total sample and gender-subgroups. RESULTS In the absence of publication bias, allelic and genotypic analyses showed no significant association in the total sample, as well as in gender-specific subgroups. Sensitivity analysis did not alter the ORs. CONCLUSIONS The results imply a complex nature of the genotype × phenotype interaction. Further studies of the COMT gene or the locus remain to be justified given the important positional and functional relevance and the plethora of gender-specific findings. A possible way to further dissect this topic is shifting the focus to gene-based or genome-wide analyses of intermediate phenotypes.
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Affiliation(s)
- Martina Klein
- a Department of Psychiatry and Psychotherapy , Medical University of Vienna , Vienna , Austria
| | - Michaela Schmoeger
- b Department of Neurology , Medical University of Vienna , Vienna , Austria
| | - Siegfried Kasper
- a Department of Psychiatry and Psychotherapy , Medical University of Vienna , Vienna , Austria
| | - Alexandra Schosser
- a Department of Psychiatry and Psychotherapy , Medical University of Vienna , Vienna , Austria.,c Zentrum Für Seelische Gesundheit Leopoldau , Vienna , Austria
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23
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Koh MJ, Kang JI, Namkoong K, Lee SY, Kim SJ. Association between the Catechol-O-Methyltransferase (COMT) Val¹⁵⁸Met Polymorphism and Alexithymia in Patients with Obsessive-Compulsive Disorder. Yonsei Med J 2016; 57:721-7. [PMID: 26996573 PMCID: PMC4800363 DOI: 10.3349/ymj.2016.57.3.721] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 08/06/2015] [Accepted: 08/12/2015] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Alexithymia, defined as a deficit in the ability to recognize and describe one's own feelings, may be related to the development and maintenance of obsessive-compulsive symptoms. The aim of this study was to evaluate the association between the catechol-O-methyltransferase (COMT) Val¹⁵⁸Met polymorphism and alexithymia in patients with obsessive-compulsive disorder (OCD). MATERIALS AND METHODS We recruited 244 patients with OCD (169 males, 75 females). Alexithymia was assessed using the 20-item Toronto Alexithymia Scale (TAS-20), and genotyping of the COMT Val¹⁵⁸Met polymorphism was evaluated. RESULTS Patients with the COMT Val/Val genotype had significantly higher total and "difficulty identifying feelings" (DIF) subdimension scores than those with the Val/Met or Met/Met genotypes. Patients with the COMT Val/Val genotype had significantly higher "difficulty describing feelings" (DDF) subdimension scores than those with the COMT Val/Met genotype. However, there were no differences in the scores for the "externally oriented thinking" (EOT) subdimension among the three genotypes. CONCLUSION These results indicate that the high-activity Val allele of the COMT Val¹⁵⁸Met polymorphism is associated with increased alexithymic traits in patients with OCD. The present finding suggests that alexithymia is an endophenotype of OCD that is mediated by the COMT Val¹⁵⁸Met polymorphism.
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Affiliation(s)
- Min Jung Koh
- Department of Psychiatry, Bundang Jesaeng Hospital, Seongnam, Korea
- Department of Psychiatry, Graduate School, Yonsei University College of Medicine, Seoul, Korea
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Jee In Kang
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
- Department of Psychiatry, Yonsei University College of Medicine, Seoul, Korea
| | - Kee Namkoong
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
- Department of Psychiatry, Yonsei University College of Medicine, Seoul, Korea
| | - Su Young Lee
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
- Department of Psychiatry, Cheil General Hospital & Women's Healthcare Center, Dankook University College of Medicine, Seoul, Korea
| | - Se Joo Kim
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
- Department of Psychiatry, Yonsei University College of Medicine, Seoul, Korea.
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24
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Carneiro LSF, Fonseca AM, Serrão P, Mota MP, Vasconcelos-Raposo J, Vieira-Coelho MA. Impact of physical exercise on catechol-O-methyltransferase activity in depressive patients: A preliminary communication. J Affect Disord 2016; 193:117-22. [PMID: 26773917 DOI: 10.1016/j.jad.2015.12.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 12/04/2015] [Accepted: 12/27/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND Catechol-O-methyltransferase (COMT) is a catabolic enzyme involved in the degradation of bioactive molecules including the neurotransmitters epinephrine, norepinephrine, and dopamine. Higher COMT activity in depressive patients in comparison to non-depressed individuals has been reported. The effect of aerobic exercise on depressive patients has been studied and a number of researchers and clinicians believe it to be effective in the treatment of depression and to be involved in several molecular underlying mechanisms. However, the effect of physical exercise on this enzyme activity is unknown, and it remains to be elucidated if chronic exercise changes COMT activity. This randomized control trial evaluates the effects of chronic exercise on peripheral COMT (S-COMT) activity in women with depressive disorder. METHODS Fourteen women (aged: 51.4±10.5 years) diagnosed with depression (according to International Classification of Diseases-10) were randomized to one of two groups: pharmacotherapy plus physical exercise (n=7) or only pharmacotherapy (n=7). The aerobic exercise program was supervised, lasting between 45-50min/session, three times/week for 16 weeks. Erythrocyte soluble COMT were assessed prior to and after the exercise program. RESULTS Exercise group when compared to a control group presented a significant decrease (p=0.02, r=-0.535) in S-COMT activity between baseline and post-intervention. LIMITATIONS These data are preliminary outcomes from a small sample and should be replicated. CONCLUSIONS Chronic exercise therapy combined with pharmacotherapy leads to significant decrease in S-COMT activity. Our results provide evidence that exercise interferes with S-COMT activity, a molecular mechanism involved in depression.
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Affiliation(s)
- Lara S F Carneiro
- Centre of Research, Sports Sciences, Health and Human Development, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
| | - António Manuel Fonseca
- Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Porto, University of Porto, Porto, Portugal
| | - Paula Serrão
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Maria Paula Mota
- Centre of Research, Sports Sciences, Health and Human Development, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - José Vasconcelos-Raposo
- Department of Education and Psychology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Maria Augusta Vieira-Coelho
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, Porto, Portugal; Psychiatry and Mental Health Clinic, Centro Hospitalar São João, Porto, Portugal
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25
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Kostic M, Canu E, Agosta F, Munjiza A, Novakovic I, Dobricic V, Maria Ferraro P, Miler Jerkovic V, Pekmezovic T, Lecic Tosevski D, Filippi M. The cumulative effect of genetic polymorphisms on depression and brain structural integrity. Hum Brain Mapp 2016; 37:2173-84. [PMID: 26956059 DOI: 10.1002/hbm.23165] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 02/01/2016] [Accepted: 02/18/2016] [Indexed: 12/30/2022] Open
Abstract
In major depressive disorder (MDD), the need to study multiple-gene effect on brain structure is emerging. Our aim was to assess the effect of accumulation of specific SERT, BDNF and COMT gene functional polymorphisms on brain structure in MDD patients. Seventy-seven MDD patients and 66 controls underwent a clinical assessment, genetic testing and MRI scan. Compared with controls, patients were more BDNF-Val homozygotes, COMT-Met carriers and SERT-L' carriers. Thus, subjects were split into three groups: 1. High-frequency susceptibility polymorphism group (hfSP, subjects with all three SPs); 2. Intermediate-frequency SP group (ifSP, two SPs); and 3. Low-frequency SP group (lfSP, one/none SP). Cortical thickness, volumetry of hippocampus, amygdala and subcortical structures, and white matter (WM) tract integrity were assessed. Compared to controls, hfSP patients showed thinning of the middle frontal cortex bilaterally, left frontal pole, and right lateral occipital cortex, and smaller hippocampal volume bilaterally; and both hfSP and lfSP patient groups showed thinning of the left inferior parietal cortex and reduced WM integrity of the corpus callosum. Compared to patients, hfSP controls showed greater integrity of the fronto-occipital cortices and corpus callosum. We showed that cortical prefrontal and occipital damage of MDD patients is modulated by the SP accumulation, while damage to the parietal cortex and corpus callosum seem to be independent of genetic accumulation. HfSP controls may experience protective mechanisms leading to a preserved integrity of critical cortical and WM regions. Investigating the effect of multiple genes is promising to understand the pathological mechanisms underlying MDD. Hum Brain Mapp 37:2173-2184, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Elisa Canu
- Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Milan, Italy
| | - Federica Agosta
- Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Milan, Italy
| | - Ana Munjiza
- Institute of Mental Health, Belgrade, Serbia
| | - Ivana Novakovic
- Neurology Clinic, Clinical Center of Serbia, Belgrade, Serbia.,School of Medicine, University of Belgrade, Belgrade, Serbia
| | | | - Pilar Maria Ferraro
- Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Milan, Italy
| | | | | | - Dusica Lecic Tosevski
- Institute of Mental Health, Belgrade, Serbia.,School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Massimo Filippi
- Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Milan, Italy.,Department of Neurology, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Milan, Italy
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26
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Wang M, Ma Y, Yuan W, Su K, Li MD. Meta-Analysis of the COMT Val158Met Polymorphism in Major Depressive Disorder: Effect of Ethnicity. J Neuroimmune Pharmacol 2016; 11:434-45. [PMID: 26803486 DOI: 10.1007/s11481-016-9651-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 01/14/2016] [Indexed: 12/23/2022]
Abstract
The COMT (catechol-O-methyltransferase) Val158Met polymorphism (rs4680) is a potential susceptibility variant for major depressive disorder (MDD). Although many genetic studies have examined the association between MDD and this polymorphism, the results were inconclusive. In the present study, we conducted a series of meta-analyses of samples consisting of 2905 MDD cases and 2403 controls with the goal of determining whether this variant indeed has any effect on MDD. We revealed a significant association in the comparison of Val/Val + Val/Met vs. Met/Met (OR =1.180; 95 % CI = 1.019, 1.367; P = 0.027), Val/Met vs. Val/Val (OR =1.18; 95 % CI = 1.038, 1.361; P = 0.013), and Val/Met vs. Met/Met (OR =1.229; 95 % CI = 1.053, 1.435; P = 0.009). Further meta-analyses of samples with European ancestry demonstrated a significant association of this SNP with MDD susceptibility in Val/Val + Val/Met vs. Met/Met (OR =1.231, 95 % CI = 1.046, 1.449; P = 0.013) and Val/Met vs. Met/Met (OR =1.284, 95 % CI = 1.050, 1.484; P = 0.012). For the samples with East Asian ancestry, we found a significant association in both allelic (Val vs. Met: OR =0.835; 95 % CI = 0.714, 0.975; P = 0.023) and genotypic (Met/Met + Val/Met vs. Val/Val: OR =1.431, 95 % CI = 1.143, 1.791; P = 0.002; Val/Met vs. Val/Val: OR =1.482, 95 % CI = 1.171, 1.871; P = 0.001) analyses. No evidence of heterogeneity among studies or publication bias was observed. Together, our results indicate that the COMT Val158Met polymorphism is a vulnerability factor for MDD with distinct effects in different ethnic populations.
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Affiliation(s)
- Maiqiu Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China
| | - Yunlong Ma
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenji Yuan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China
| | - Kunkai Su
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China
| | - Ming D Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China. .,Air Center for Air Pollution and Health, Zhejiang University, Hangzhou, China. .,Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA, USA.
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27
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Won E, Ham BJ. Imaging genetics studies on monoaminergic genes in major depressive disorder. Prog Neuropsychopharmacol Biol Psychiatry 2016; 64:311-9. [PMID: 25828849 DOI: 10.1016/j.pnpbp.2015.03.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 03/17/2015] [Accepted: 03/20/2015] [Indexed: 12/28/2022]
Abstract
Although depression is the leading cause of disability worldwide, current understanding of the neurobiology of depression has failed to be translated into clinical practice. Major depressive disorder (MDD) pathogenesis is considered to be significantly influenced by multiple risk genes, however genetic effects are not simply expressed at a behavioral level. Therefore the concept of endophenotype has been applied in psychiatric genetics. Imaging genetics applies anatomical or functional imaging technologies as phenotypic assays to evaluate genetic variation and their impact on behavior. This paper attempts to provide a comprehensive review of available imaging genetics studies, including reports on genetic variants that have most frequently been linked to MDD, such as the monoaminergic genes (serotonin transporter gene, monoamine oxidase A gene, tryptophan hydroxylase-2 gene, serotonin receptor 1A gene and catechol-O-methyl transferase gene), with regard to key structures involved in emotion processing, such as the hippocampus, amygdala, anterior cingulate cortex and orbitofrontal cortex.
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Affiliation(s)
- Eunsoo Won
- Department of Psychiatry, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Byung-Joo Ham
- Department of Psychiatry, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea.
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28
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Alfimova MV, Melnikova TS, Golimbet VE. [Molecular-genetic and electroencephalographic markers of neurocognitive processes in depressive disorders]. Zh Nevrol Psikhiatr Im S S Korsakova 2015; 115:103-109. [PMID: 26438903 DOI: 10.17116/jnevro201511551103-109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Perspectives of molecular-genetic approaches to the establishment of mechanisms of development and causes of heterogeneity of neurocognitive impairment are discussed. The current results indicate that candidate genes for depression can contribute to the variance of memory and regulatory functions in patients. At the same time, these genes are closely related to affective information processing and .cortisol level. By that fact, it can't be excluded that affective processes moderate the association between cognition and genes. EEG parameters could be useful phenotypes in the search for and understanding of genetic mechanisms of cognitive deficit in depression. Parameters of resting EEG and its reactive changes are known to reflect the certain cognitive processes. They are influenced by genetic factors and are sensitive indicators of mechanisms that might underlie cognitive impairment in depressive patients. Accumulating data on molecular-genetic correlates of normal electric brain activity may be a source of choosing new candidate genes for cognitive impairment in depression.
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Affiliation(s)
- M V Alfimova
- Mental Health Research Centre, Russian Academy of Sciences, Moscow; Moscow Research Institute of Psychiatry, Ministry of Health of the Russian Federation, Moscow
| | - T S Melnikova
- Moscow Research Institute of Psychiatry, Ministry of Health of the Russian Federation, Moscow
| | - V E Golimbet
- Mental Health Research Centre, Russian Academy of Sciences, Moscow
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29
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Relationship between the catechol-O-methyl transferase Val108/158Met genotype and brain volume in treatment-naive major depressive disorder: Voxel-based morphometry analysis. Psychiatry Res 2015; 233:481-7. [PMID: 26253436 DOI: 10.1016/j.pscychresns.2015.07.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 05/24/2015] [Accepted: 07/30/2015] [Indexed: 02/04/2023]
Abstract
Catechol-O-methyltransferase (COMT) is a methylation enzyme engaged in the degradation of dopamine and noradrenaline by catalyzing the transfer of a methyl group from S-adenosylmethionine. An association was found between the Valine (Val) 108/158Methionine (Met) COMT polymorphism (rs4680) and major depressive disorder (MDD). The authors prospectively investigated the relationship between the Val108/158Met COMT genotype and voxel-based morphometry (VBM) findings for patients with first-episode and treatment-naïve MDD and healthy subjects (HS). Participants comprised 30 MDD patients and 48 age- and sex-matched HS who were divided according to the COMT genotype. Effects of diagnosis, COMT genotype, and the genotype-diagnosis interaction in relation to brain morphology in the Val/Met and Val/Val individuals were evaluated using a VBM analysis of high-resolution magnetic resonance imaging findings. Among the Val/Met individuals, the volume of the bilateral caudate was significantly smaller for MDD patients than for HS. In the Val/Val individuals, the caudate volume was comparable between MDD patients and HS. Significant genotype-diagnosis interaction effects on brain morphology were noted in the right caudate.
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30
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Scarr E, Millan MJ, Bahn S, Bertolino A, Turck CW, Kapur S, Möller HJ, Dean B. Biomarkers for Psychiatry: The Journey from Fantasy to Fact, a Report of the 2013 CINP Think Tank. Int J Neuropsychopharmacol 2015; 18:pyv042. [PMID: 25899066 PMCID: PMC4648162 DOI: 10.1093/ijnp/pyv042] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND A think tank sponsored by the Collegium Internationale Neuropsychopharmacologium (CINP) debated the status and prospects of biological markers for psychiatric disorders, focusing on schizophrenia and major depressive disorder. METHODS Discussions covered markers defining and predicting specific disorders or domains of dysfunction, as well as predicting and monitoring medication efficacy. Deliberations included clinically useful and viable biomarkers, why suitable markers are not available, and the need for tightly-controlled sample collection. RESULTS Different types of biomarkers, appropriate sensitivity, specificity, and broad-based exploitability were discussed. Whilst a number of candidates are in the discovery phases, all will require replication in larger, real-life cohorts. Clinical cost-effectiveness also needs to be established. CONCLUSIONS Since a single measure is unlikely to suffice, multi-modal strategies look more promising, although they bring greater technical and implementation complexities. Identifying reproducible, robust biomarkers will probably require pre-competitive consortia to provide the resources needed to identify, validate, and develop the relevant clinical tests.
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Affiliation(s)
- Elizabeth Scarr
- Department of Psychiatry, University of Melbourne, Victoria, Australia (Drs Scarr and Dean); The Molecular Psychiatry Laboratory, Florey Institute for Neuroscience and Mental Health, Victoria, Australia (Drs Scarr and Dean); Pole d'Innovation Thérapeutique en Neuropsychiatrie, Institut de Recherches Servier, Paris, France (Dr Millan); Cambridge Centre for Neuropsychiatric Research, University of Cambridge, UK (Dr Bahn); Pharma Research & Early Development, NORD, DTA, Hoffman - La Roche, Ltd., Basel, Switzerland (Dr Bertolino); School of Medicine, Basic Medical Sciences, Neuroscience and Sense Organs (DMBNOS), University of Bari, Italy (Dr Bertolino); Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany (Dr Turck); Institute of Psychiatry, Kings College London, London, UK (Dr Kapur); Department of Psychiatry, Ludwig-Maximilians-University, Munich, Germany (Dr Möller)
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Luo Y, Zhou J, Li M, Wu P, Hu Z, Ni L, Jin Y, Chen J, Wang F. Reversal of aging-related emotional memory deficits by norepinephrine via regulating the stability of surface AMPA receptors. Aging Cell 2015; 14:170-9. [PMID: 25564942 PMCID: PMC4364829 DOI: 10.1111/acel.12282] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2014] [Indexed: 12/19/2022] Open
Abstract
Aging-related emotional memory deficit is a well-known complication in Alzheimer's disease and normal aging. However, little is known about its molecular mechanism. To address this issue, we examined the role of norepinephrine (NE) and its relevant drug desipramine in the regulation of hippocampal long-term potentiation (LTP), surface expression of AMPA receptor, and associative fear memory in rats. We found that there was a defective regulation of NE content and AMPA receptor trafficking during fear conditioning, which were accompanied by impaired emotional memory and LTP in aged rats. Furthermore, we also found that the exogenous upregulation of NE ameliorated the impairment of LTP and emotional memory via enhancing AMPA receptor trafficking in aged rats, and the downregulation of NE impaired LTP in adult rats. Finally, acute treatment with NE or desipramine rescued the impaired emotional memory in aged rats. These results imply a pivotal role for NE in synaptic plasticity and associative fear memory in aging rats and suggest that desipramine is a potential candidate for treating aging-related emotional memory deficit.
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Affiliation(s)
- Yi Luo
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
| | - Jun Zhou
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
| | - Ming‐Xing Li
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
| | - Peng‐Fei Wu
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
- Key Laboratory of Neurological Diseases (HUST) Ministry of Education of China Wuhan 430030 China
- The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province Wuhan 430030 China
| | - Zhuang‐Li Hu
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
- Key Laboratory of Neurological Diseases (HUST) Ministry of Education of China Wuhan 430030 China
- The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province Wuhan 430030 China
| | - Lan Ni
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
- Key Laboratory of Neurological Diseases (HUST) Ministry of Education of China Wuhan 430030 China
- The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province Wuhan 430030 China
| | - You Jin
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
- Key Laboratory of Neurological Diseases (HUST) Ministry of Education of China Wuhan 430030 China
- The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province Wuhan 430030 China
| | - Jian‐Guo Chen
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
- Key Laboratory of Neurological Diseases (HUST) Ministry of Education of China Wuhan 430030 China
- The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province Wuhan 430030 China
- The Institute of Brain Research Huazhong University of Science and Technology Wuhan 430030 China
| | - Fang Wang
- Department of Pharmacology School of Basic Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
- Key Laboratory of Neurological Diseases (HUST) Ministry of Education of China Wuhan 430030 China
- The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province Wuhan 430030 China
- The Institute of Brain Research Huazhong University of Science and Technology Wuhan 430030 China
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Inoue A, Akiyoshi J, Muronaga M, Masuda K, Aizawa S, Hirakawa H, Ishitobi Y, Higuma H, Maruyama Y, Ninomiya T, Tanaka Y, Hanada H, Kawano Y. Association of TMEM132D, COMT, and GABRA6 genotypes with cingulate, frontal cortex and hippocampal emotional processing in panic and major depressive disorder. Int J Psychiatry Clin Pract 2015; 19:192-200. [PMID: 25974322 DOI: 10.3109/13651501.2015.1043133] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The aim of the study was to evaluate the association of transmembrane protein 132D (TMEM132D), catechol-O-methyltransferase (COMT), and gamma-aminobutyric acid (GABA) receptor alpha 6 subunit (GABRA6) genotypes with cingulate, frontal cortex and hippocampal emotional processing in panic disorder (PD) and major depressive disorder (MDD). METHOD The single nucleotide polymorphisms (SNPs) in TMEM132D, COMT, and GABRA6 were examined in patients with MDD, PD, and healthy controls. Functional magnetic resonance imaging (fMRI) was performed in patients with MDD, PD, and healthy controls. RESULTS rs4680 in COMT and rs3219151 in GABRA6 showed positive associations with PD and MDD. A dynamic fearful face was shown to the participants during fMRI scanning. In PD patients, responses in the bilateral anterior cingulate were stronger in carriers of the AA genotype of SNP rs11060369 in TMEM132D compared with carriers of the AC + CC genotype, and stronger in CT + TT genotype carriers of SNP rs3219151 in GABRA6 compared with carriers of the CC genotype. The response in the medial orbital frontal cortex was stronger in carriers of the CT + TT genotypes of SNP rs3219151 in PD. In MDD patients, the response in the right parahippocampus of carriers of the GG genotype of rs4680 in COMT was stronger than that of carriers of the AA + AG genotype. CONCLUSION These results suggest that TMEM132D, GABRA6, and COMT variants may increase vulnerability to panic.
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Affiliation(s)
- Ayako Inoue
- a Department of Neuropsychiatry , Oita University Faculty of Medicine , Hasama-Machi, Yufu-Shi, Oita , Japan
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