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Tziastoudi M, Cholevas C, Stefanidis I, Theoharides TC. Genetics of COVID-19 and myalgic encephalomyelitis/chronic fatigue syndrome: a systematic review. Ann Clin Transl Neurol 2022; 9:1838-1857. [PMID: 36204816 PMCID: PMC9639636 DOI: 10.1002/acn3.51631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 01/08/2023] Open
Abstract
COVID‐19 and ME/CFS present with some similar symptoms, especially physical and mental fatigue. In order to understand the basis of these similarities and the possibility of underlying common genetic components, we performed a systematic review of all published genetic association and cohort studies regarding COVID‐19 and ME/CFS and extracted the genes along with the genetic variants investigated. We then performed gene ontology and pathway analysis of those genes that gave significant results in the individual studies to yield functional annotations of the studied genes using protein analysis through evolutionary relationships (PANTHER) VERSION 17.0 software. Finally, we identified the common genetic components of these two conditions. Seventy‐one studies for COVID‐19 and 26 studies for ME/CFS were included in the systematic review in which the expression of 97 genes for COVID‐19 and 429 genes for ME/CFS were significantly affected. We found that ACE, HLA‐A, HLA‐C, HLA‐DQA1, HLA‐DRB1, and TYK2 are the common genes that gave significant results. The findings of the pathway analysis highlight the contribution of inflammation mediated by chemokine and cytokine signaling pathways, and the T cell activation and Toll receptor signaling pathways. Protein class analysis revealed the contribution of defense/immunity proteins, as well as protein‐modifying enzymes. Our results suggest that the pathogenesis of both syndromes could involve some immune dysfunction.
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Affiliation(s)
- Maria Tziastoudi
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Christos Cholevas
- First Department of Ophthalmology, Faculty of Health Sciences, Aristotle University, AHEPA Hospital, Thessaloniki, Greece
| | - Ioannis Stefanidis
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Theoharis C Theoharides
- Institute of Neuro-Immune Medicine, Nova Southeastern University, Clearwater, FL, USA.,Laboratory of Molecular Immunopharmacology and Drug Discovery, Department of Immunology, Tufts University School of Medicine, Boston, Massachusetts, USA.,School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, Massachusetts, USA.,Departments of Internal Medicine and Psychiatry, Tufts University School of Medicine and Tufts Medical Center, Boston, Massachusetts, USA
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Kanarik M, Grimm O, Mota NR, Reif A, Harro J. ADHD co-morbidities: A review of implication of gene × environment effects with dopamine-related genes. Neurosci Biobehav Rev 2022; 139:104757. [PMID: 35777579 DOI: 10.1016/j.neubiorev.2022.104757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 02/07/2023]
Abstract
ADHD is a major burden in adulthood, where co-morbid conditions such as depression, substance use disorder and obesity often dominate the clinical picture. ADHD has substantial shared heritability with other mental disorders, contributing to comorbidity. However, environmental risk factors exist but their interaction with genetic makeup, especially in relation to comorbid disorders, remains elusive. This review for the first time summarizes present knowledge on gene x environment (GxE) interactions regarding the dopamine system. Hitherto, mainly candidate (GxE) studies were performed, focusing on the genes DRD4, DAT1 and MAOA. Some evidence suggest that the variable number tandem repeats in DRD4 and MAOA may mediate GxE interactions in ADHD generally, and comorbid conditions specifically. Nevertheless, even for these genes, common variants are bound to suggest risk only in the context of gender and specific environments. For other polymorphisms, evidence is contradictory and less convincing. Particularly lacking are longitudinal studies testing the interaction of well-defined environmental with polygenic risk scores reflecting the dopamine system in its entirety.
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Affiliation(s)
- Margus Kanarik
- Chair of Neuropsychopharmacology, Institute of Chemistry, University of Tartu, Ravila 14A Chemicum, 50411 Tartu, Estonia
| | - Oliver Grimm
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Nina Roth Mota
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands; Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Jaanus Harro
- Chair of Neuropsychopharmacology, Institute of Chemistry, University of Tartu, Ravila 14A Chemicum, 50411 Tartu, Estonia; Psychiatry Clinic, North Estonia Medical Centre, Paldiski Road 52, 10614 Tallinn, Estonia.
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Deumer US, Varesi A, Floris V, Savioli G, Mantovani E, López-Carrasco P, Rosati GM, Prasad S, Ricevuti G. Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS): An Overview. J Clin Med 2021; 10:4786. [PMID: 34682909 PMCID: PMC8538807 DOI: 10.3390/jcm10204786] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 12/20/2022] Open
Abstract
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a chronic systemic disease that manifests via various symptoms such as chronic fatigue, post-exertional malaise, and cognitive impairment described as "brain fog". These symptoms often prevent patients from keeping up their pre-disease onset lifestyle, as extended periods of physical or mental activity become almost impossible. However, the disease presents heterogeneously with varying severity across patients. Therefore, consensus criteria have been designed to provide a diagnosis based on symptoms. To date, no biomarker-based tests or diagnoses are available, since the molecular changes observed also largely differ from patient to patient. In this review, we discuss the infectious, genetic, and hormonal components that may be involved in CFS pathogenesis, we scrutinize the role of gut microbiota in disease progression, we highlight the potential of non-coding RNA (ncRNA) for the development of diagnostic tools and briefly mention the possibility of SARS-CoV-2 infection causing CFS.
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Affiliation(s)
- Undine-Sophie Deumer
- Department of Biological Sciences, Faculty of Natural Sciences and Mathematics, University of Cologne, 50674 Cologne, Germany;
| | - Angelica Varesi
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy
- Almo Collegio Borromeo, 27100 Pavia, Italy
| | - Valentina Floris
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy;
| | - Gabriele Savioli
- Emergency Department, IRCCS Policlinico San Matteo, 27100 Pavia, Italy;
| | - Elisa Mantovani
- Department of Neurosciences, Biomedicine and Movement Sciences, Neurology Section, University of Verona, 37129 Verona, Italy;
| | - Paulina López-Carrasco
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico;
| | | | - Sakshi Prasad
- National Pirogov Memorial Medical University, 21018 Vinnytsya, Ukraine;
| | - Giovanni Ricevuti
- School of Pharmacy, Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
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Wang T, Yin J, Miller AH, Xiao C. A systematic review of the association between fatigue and genetic polymorphisms. Brain Behav Immun 2017; 62:230-244. [PMID: 28089639 PMCID: PMC5947855 DOI: 10.1016/j.bbi.2017.01.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 01/09/2017] [Accepted: 01/10/2017] [Indexed: 01/05/2023] Open
Abstract
Fatigue is one of the most common and distressing symptoms, leading to markedly decreased quality of life among a large subset of patients with a variety of disorders. Susceptibility to fatigue may be influenced by genetic factors including single nucleotide polymorphisms (SNPs), especially in the regulatory regions, of relevant genes. To further investigate the association of SNPs with fatigue in various patient populations, a systematic search was conducted on Pubmed, CINAHL, PsycINFO, and Sociological Abstracts Database for fatigue related-terms in combination with polymorphisms or genetic variation-related terms. Fifty papers in total met the inclusion and exclusion criteria for this analysis. These 50 papers were further classified into three subgroups for evaluation: chronic fatigue syndrome (CFS), cancer-related fatigue (CRF) and other disease-related fatigue. SNPs in regulatory pathways of immune and neurotransmitter systems were found to play important roles in the etiologies of CFS, CRF and other disease-related fatigue. Evidence for associations between elevated fatigue and specific polymorphisms in TNFα, IL1b, IL4 and IL6 genes was revealed for all three subgroups of fatigue. We also found CFS shared a series of polymorphisms in HLA, IFN-γ, 5-HT and NR3C1 genes with other disease-related fatigue, however these SNPs (excluding IFN-γ) were not found to be adequately investigated in CRF. Gaps in knowledge related to fatigue etiology and recommendations for future research are further discussed.
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Affiliation(s)
- Tengteng Wang
- Department of Epidemiology, University of North Carolina at Chapel Hill Gillings School of Global Public Health, Chapel Hill, NC, United States; Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, GA, United States
| | - Jie Yin
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, GA, United States; Kaiser Permanente Northern California, Division of Research, Oakland, CA, United States
| | - Andrew H Miller
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Emory University, Atlanta, GA, United States
| | - Canhua Xiao
- School of Nursing, Emory University, Atlanta, GA, United States.
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Yildirim BO, Derksen JJL. Mesocorticolimbic dopamine functioning in primary psychopathy: A source of within-group heterogeneity. Psychiatry Res 2015; 229:633-77. [PMID: 26277034 DOI: 10.1016/j.psychres.2015.07.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 04/08/2015] [Accepted: 07/05/2015] [Indexed: 01/17/2023]
Abstract
Despite similar emotional deficiencies, primary psychopathic individuals can be situated on a continuum that spans from controlled to disinhibited. The constructs on which primary psychopaths are found to diverge, such as self-control, cognitive flexibility, and executive functioning, are crucially regulated by dopamine (DA). As such, the goal of this review is to examine which specific alterations in the meso-cortico-limbic DA system and corresponding genes (e.g., TH, DAT, COMT, DRD2, DRD4) might bias development towards a more controlled or disinhibited expression of primary psychopathy. Based on empirical data, it is argued that primary psychopathy is generally related to a higher tonic and population activity of striatal DA neurons and lower levels of D2-type DA receptors in meso-cortico-limbic projections, which may boost motivational drive towards incentive-laden goals, dampen punishment sensitivity, and increase future reward-expectancy. However, increasingly higher levels of DA activity in the striatum (moderate versus pathological elevations), lower levels of DA functionality in the prefrontal cortex, and higher D1-to-D2-type receptor ratios in meso-cortico-limbic projections may lead to increasingly disinhibited and impetuous phenotypes of primary psychopathy. Finally, in order to provide a more coherent view on etiological mechanisms, we discuss interactions between DA and serotonin that are relevant for primary psychopathy.
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Affiliation(s)
- Bariş O Yildirim
- Department of Clinical Psychology, Radboud University Nijmegen, De Kluyskamp 1002, 6545 JD Nijmegen, The Netherlands.
| | - Jan J L Derksen
- Department of Clinical Psychology, Room: A.07.04B, Radboud University Nijmegen, Montessorilaan 3, 6525 HR Nijmegen, The Netherlands.
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Andreou D, Söderman E, Axelsson T, Sedvall GC, Terenius L, Agartz I, Jönsson EG. Polymorphisms in genes implicated in dopamine, serotonin and noradrenalin metabolism suggest association with cerebrospinal fluid monoamine metabolite concentrations in psychosis. Behav Brain Funct 2014; 10:26. [PMID: 25073638 PMCID: PMC4123495 DOI: 10.1186/1744-9081-10-26] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Accepted: 07/14/2014] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Homovanillic acid (HVA), 5-hydroxyindoleacetic acid (5-HIAA) and 3-methoxy-4-hydroxyphenylglycol (MHPG) are the major monoamine metabolites in the central nervous system (CNS). Their cerebrospinal fluid (CSF) concentrations, reflecting the monoamine turnover rates in CNS, are partially under genetic influence and have been associated with schizophrenia. We have hypothesized that CSF monoamine metabolite concentrations represent intermediate steps between single nucleotide polymorphisms (SNPs) in genes implicated in monoaminergic pathways and psychosis. METHODS We have searched for association between 119 SNPs in genes implicated in monoaminergic pathways [tryptophan hydroxylase 1 (TPH1), TPH2, tyrosine hydroxylase (TH), DOPA decarboxylase (DDC), dopamine beta-hydroxylase (DBH), catechol-O-methyltransferase (COMT), monoamine oxidase A (MAOA) and MAOB] and monoamine metabolite concentrations in CSF in 74 patients with psychotic disorder. RESULTS There were 42 nominally significant associations between SNPs and CSF monoamine metabolite concentrations, which exceeded the expected number (20) of nominal associations given the total number of tests performed. The strongest association (p = 0.0004) was found between MAOB rs5905512, a SNP previously reported to be associated with schizophrenia in men, and MHPG concentrations in men with psychotic disorder. Further analyses in 111 healthy individuals revealed that 41 of the 42 nominal associations were restricted to patients with psychosis and were absent in healthy controls. CONCLUSIONS The present study suggests that altered monoamine turnover rates in CNS reflect intermediate steps in the associations between SNPs and psychosis.
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Affiliation(s)
- Dimitrios Andreou
- Department of Clinical Neuroscience, Psychiatry Section, HUBIN Project, Karolinska Institutet and Hospital, R5:00, SE-171 76 Stockholm, Sweden.
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A functional polymorphism of the GTP cyclohydrolase 1 gene predicts attention performance. Neurosci Lett 2014; 566:46-9. [PMID: 24561090 DOI: 10.1016/j.neulet.2014.02.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 01/24/2014] [Accepted: 02/09/2014] [Indexed: 11/20/2022]
Abstract
Guanosine triphosphate cyclohydrolase 1 (GCH1) is the rate-limiting enzyme for the biosynthesis of tetrahydrobiopterin, a cofactor for aromatic amino acid hydroxylases and nitric oxide synthases. As monoamine neurotransmitters are synthesized by the reactions catalyzed by tyrosine hydroxylase and tryptophan hydroxylase, alterations in the content of tetrahydrobiopterin affect the monoamine levels in the brain. Here, we examined the possible association of a functional single-nucleotide polymorphism (SNP) of the GCH1 gene, rs841 (C+243T), with attentional function as assessed by the Continuous Performance Test-Identical Pairs version (CPT-IP) in healthy individuals. We found that homozygous T/T genotype carriers of rs841 scored lower performance on the CPT-IP test. Our data suggest that alterations in GCH1 activity affect attentional function, especially sustained attention and vigilance.
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Ichinose H, Homma D, Sumi-Ichinose C, Nomura T, Kondo K. GTP cyclohydrolase regulation: implications for brain development and function. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2013; 68:23-35. [PMID: 24054139 DOI: 10.1016/b978-0-12-411512-5.00003-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Tetrahydrobiopterin (BH4) is essential for the biosynthesis of dopamine, noradrenaline, and serotonin, which serve as cofactors for tyrosine hydroxylase (TH) and tryptophan hydroxylase. GTP cyclohydrolase (GCH) is the first and rate-limiting enzyme for BH4 biosynthesis. Genetic defects in an allele of the GCH gene can result in dopa-responsive dystonia due to partial BH4 deficiency. To explore the transcriptional control of the GCH gene, we analyzed the signaling pathway. Bacterial lipopolysaccharide (LPS) greatly enhanced the expression of GCH in RAW264 cells, and the induction of GCH by LPS was suppressed by treatment with either a MEK1/2 inhibitor or an inhibitor for the NF-κB pathway. Next, we analyzed two types of biopterin-deficient transgenic mice. We found that both mice exhibited motor disorders with slight differences. Dopamine and TH protein levels were markedly and concurrently increased from birth (P0) to P21 in wild-type mice, and these increases were abolished in both types of biopterin-deficient mice. Our results suggest that the developmental manifestation of psychomotor symptoms in BH4 deficiency might be attributable at least partially to the high dependence of dopaminergic development on the availability of BH4.
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Affiliation(s)
- Hiroshi Ichinose
- Department of Life Science, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan.
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