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Huang C, van Wijnen AJ, Im HJ. Serotonin Transporter (5-Hydroxytryptamine Transporter, SERT, SLC6A4) and Sodium-dependent Reuptake Inhibitors as Modulators of Pain Behaviors and Analgesic Responses. THE JOURNAL OF PAIN 2024; 25:618-631. [PMID: 37852405 DOI: 10.1016/j.jpain.2023.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/20/2023]
Abstract
The serotonin transporter (5-hydroxytryptamine transporter [5-HTT], Serotonin Transporter (SERT), SLC6A4) modulates the activity of serotonin via sodium-dependent reuptake. Given the established importance of serotonin in the control of pain, 5-HTT has received much interest in studies of pain states and as a pharmacological target for serotonin reuptake inhibitors (SRIs). Animal models expressing varying levels of 5-HTT activity show marked differences in pain behaviors and analgesic responses, as well as many serotonin-related physiological effects. In humans, functional nucleotide variations in the SLC6A4 gene, which encodes the serotonin transporter 5-HTT, are associated with certain pathologic pain conditions and differences in responses to pharmacological therapy. These findings collectively reflect the importance of 5-HTT in the intricate physiology and management of pain, as well as the scientific and clinical challenges that need to be considered for the optimization of 5-HTT-related analgesic therapies. PERSPECTIVE: The serotonin transporter 5-HTT/SCL6A4 is sensitive to pharmacological SRIs. Experimental studies on the physiological functions of serotonin, as well as genetic mouse models and clinical phenotype/genotype correlations of nucleotide variation in the human 5-HTT/SCL6A4 gene, provide new insights for the use of SRIs in chronic pain management.
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Affiliation(s)
- Cary Huang
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois; Department of Anesthesiology, NewYork-Presbyterian/Weill Cornell Medical Center, New York, New York.
| | - Andre J van Wijnen
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois; Department of Biochemistry, University of Vermont, Burlington, Vermont.
| | - Hee-Jeong Im
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois; Jesse Brown Veterans Affairs Medical Center (JBVAMC), Chicago, Illinois.
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2
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Al Sharie S, Varga SJ, Al-Husinat L, Sarzi-Puttini P, Araydah M, Bal’awi BR, Varrassi G. Unraveling the Complex Web of Fibromyalgia: A Narrative Review. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:272. [PMID: 38399559 PMCID: PMC10890445 DOI: 10.3390/medicina60020272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 01/28/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024]
Abstract
Fibromyalgia is a complex and often misunderstood chronic pain disorder. It is characterized by widespread musculoskeletal pain, fatigue, and heightened sensitivity, and has evolved in diagnostic criteria and understanding over the years. Initially met with skepticism, fibromyalgia is now recognized as a global health concern affecting millions of people, with a prevalence transcending demographic boundaries. The clinical features and diagnosis of fibromyalgia encompass a range of symptoms beyond pain, including sleep disturbances and cognitive difficulties. This study emphasizes the importance of a comprehensive evaluation for accurate diagnosis, considering the shift from tender point reliance to a more holistic approach. Etiology and pathophysiology involve genetic predisposition, neurotransmitter dysregulation, central sensitization, and immune system involvement. Risk factors such as gender, age, family history, and comorbid conditions contribute to susceptibility. The impact on quality of life is profound, affecting physical and social aspects, often accompanied by mood disorders. Management approaches include pharmacological interventions, non-pharmacological therapies, lifestyle modifications, and alternative treatments. This study also delves into emerging research, exploring advances in neurobiological understanding, brain imaging, genetic markers, glutamate modulation, cannabinoids, gut microbiome, and digital health tools for fibromyalgia management. Overall, this study provides a nuanced and up-to-date overview of the complexities surrounding fibromyalgia, aiming to enhance understanding and support for individuals grappling with this challenging condition.
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Affiliation(s)
- Sarah Al Sharie
- Faculty of Medicine, Yarmouk University, Irbid 21163, Jordan
| | - Scott J. Varga
- Department of Neurology, OhioHealth Mansfield General Hospital, Mansfield, OH 44903, USA;
| | - Lou’i Al-Husinat
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid 21163, Jordan;
| | - Piercarlo Sarzi-Puttini
- Rheumatology Unit, Internal Medicine Department, ASST Fatebenefratelli-Sacco, University School of Medicine, 20157 Milan, Italy;
| | - Mohammad Araydah
- Department of Internal Medicine, Istishari Hospital, Amman 11942, Jordan;
| | - Batool Riyad Bal’awi
- Department of Family Medicine, Jordan Royal Medical Services, Amman 11855, Jordan;
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3
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Palma-Ordóñez JF, Moreno-Fernández AM, Ramírez-Tejero JA, Durán-González E, Martínez-Lara A, Cotán D. Implication of intestinal microbiota in the etiopathogenesis of fibromyalgia: A systematic review. Int J Rheum Dis 2024; 27:e15021. [PMID: 38287551 DOI: 10.1111/1756-185x.15021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 10/18/2023] [Accepted: 12/18/2023] [Indexed: 01/31/2024]
Abstract
Fibromyalgia (FM) is a highly prevalent chronic disease. About 4.7% of the world's population suffers from generalized pain and hypersensitivity, in addition to a wide range of physical and psychological symptoms. The etiopathogenesis of this disease is multifactorial, which makes its diagnosis and treatment challenging. Recently, the increase in the number of studies on microbiota has provided new data that can help to understand the onset and development of FM. An updated systematic review of the causes of FM has been carried out in this work. Particularly in the last decade, research has focused on the gut-brain axis, which has emerged as a crucial mechanism for microbiota-host crosstalk. In FM patients, quantitative imbalances of the intestinal microbiota (dysbiosis) and bacterial metabolites with differential relative abundance have been found, especially short-chain fatty acids and lipopolysaccharides. Furthermore, the microbiota has been found to indirectly influence host neurotransmitter mechanisms, mainly through the serotonin precursor, glutamate, and gamma-aminobutyric acid. Thus, all these mechanisms and their influence on the etiopathogenesis of FM are discussed in this review.
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Moscati A, Faucon AB, Arnaiz-Yépez C, Lönn SL, Sundquist J, Sundquist K, Belbin GM, Nadkarni G, Cho JH, Loos RJF, Davis LK, Kendler KS. Life is pain: Fibromyalgia as a nexus of multiple liability distributions. Am J Med Genet B Neuropsychiatr Genet 2023; 192:171-182. [PMID: 37334860 DOI: 10.1002/ajmg.b.32949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 03/20/2023] [Accepted: 05/23/2023] [Indexed: 06/21/2023]
Abstract
Fibromyalgia is a complex disease of unclear etiology that is complicated by difficulties in diagnosis, treatment, and clinical heterogeneity. To clarify this etiology, healthcare-based data are leveraged to assess the influences on fibromyalgia in several domains. Prevalence is less than 1% of females in our population register data, and about 1/10th that in males. Fibromyalgia often presents with co-occurring conditions including back pain, rheumatoid arthritis, and anxiety. More comorbidities are identified with hospital-associated biobank data, falling into three broad categories of pain-related, autoimmune, and psychiatric disorders. Selecting representative phenotypes with published genome-wide association results for polygenic scoring, we confirm genetic predispositions to psychiatric, pain sensitivity, and autoimmune conditions show associations with fibromyalgia, although these may differ by ancestry group. We conduct a genome-wide association analysis of fibromyalgia in biobank samples, which did not result in any genome-wide significant loci; further studies with increased sample size are necessary to identify specific genetic effects on fibromyalgia. Overall, fibromyalgia appears to have strong clinical and likely genetic links to several disease categories, and could usefully be understood as a composite manifestation of these etiological sources.
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Affiliation(s)
- Arden Moscati
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Annika B Faucon
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Cayetana Arnaiz-Yépez
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Sara Larsson Lönn
- Center for Primary Health Care Research, Lund University, Lund, Sweden
| | - Jan Sundquist
- Center for Primary Health Care Research, Lund University, Lund, Sweden
- Department of Family Medicine and Community Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Functional Pathology, School of Medicine, Center for Community-based Healthcare Research and Education (CoHRE), Shimane University, Matsue, Japan
| | - Kristina Sundquist
- Center for Primary Health Care Research, Lund University, Lund, Sweden
- Department of Family Medicine and Community Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Functional Pathology, School of Medicine, Center for Community-based Healthcare Research and Education (CoHRE), Shimane University, Matsue, Japan
| | - Gillian M Belbin
- The Institute for Genomic Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Girish Nadkarni
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Judy H Cho
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Ruth J F Loos
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Lea K Davis
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Kenneth S Kendler
- Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, Virginia, USA
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5
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Favretti M, Iannuccelli C, Di Franco M. Pain Biomarkers in Fibromyalgia Syndrome: Current Understanding and Future Directions. Int J Mol Sci 2023; 24:10443. [PMID: 37445618 DOI: 10.3390/ijms241310443] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/16/2023] [Accepted: 06/18/2023] [Indexed: 07/15/2023] Open
Abstract
Fibromyalgia is a complex and heterogeneous clinical syndrome, mainly characterized by the presence of widespread pain, possibly associated with a variety of other symptoms. Fibromyalgia can have an extremely negative impact on the psychological, physical and social lives of people affected, sometimes causing patients to experience dramatically impaired quality of life. Nowadays, the diagnosis of fibromyalgia is still clinical, thus favoring diagnostic uncertainties and making its clear identification challenging to establish, especially in primary care centers. These difficulties lead patients to undergo innumerable clinical visits, investigations and specialist consultations, thus increasing their stress, frustration and even dissatisfaction. Unfortunately, research over the last 25 years regarding a specific biomarker for the diagnosis of fibromyalgia has been fruitless. The discovery of a reliable biomarker for fibromyalgia syndrome would be a critical step towards the early identification of this condition, not only reducing patient healthcare utilization and diagnostic test execution but also providing early intervention with guideline-based treatments. This narrative article reviews different metabolite alterations proposed as possible biomarkers for fibromyalgia, focusing on their associations with clinical evidence of pain, and highlights some new, promising areas of research in this context. Nevertheless, none of the analyzed metabolites emerge as sufficiently reliable to be validated as a diagnostic biomarker. Given the complexity of this syndrome, in the future, a panel of biomarkers, including subtype-specific biomarkers, could be considered as an interesting alternative research area.
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Affiliation(s)
- Martina Favretti
- Rheumatology Unit, Department of Internal Clinical, Anesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, 00161 Rome, Italy
| | - Cristina Iannuccelli
- Rheumatology Unit, Department of Internal Clinical, Anesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, 00161 Rome, Italy
| | - Manuela Di Franco
- Rheumatology Unit, Department of Internal Clinical, Anesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, 00161 Rome, Italy
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6
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Pinto AM, Luís M, Geenen R, Palavra F, Lumley MA, Ablin JN, Amris K, Branco J, Buskila D, Castelhano J, Castelo-Branco M, Crofford LJ, Fitzcharles MA, Häuser W, Kosek E, López-Solà M, Mease P, Marques TR, Jacobs JWG, Castilho P, da Silva JAP. Neurophysiological and Psychosocial Mechanisms of Fibromyalgia: A Comprehensive Review and Call for An Integrative Model. Neurosci Biobehav Rev 2023:105235. [PMID: 37207842 DOI: 10.1016/j.neubiorev.2023.105235] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 05/07/2023] [Accepted: 05/14/2023] [Indexed: 05/21/2023]
Abstract
Research into the neurobiological and psychosocial mechanisms involved in fibromyalgia has progressed remarkably in recent years. Despite this, current accounts of fibromyalgia fail to capture the complex, dynamic, and mutual crosstalk between neurophysiological and psychosocial domains. We conducted a comprehensive review of the existing literature in order to: a) synthesize current knowledge on fibromyalgia; b) explore and highlight multi-level links and pathways between different systems; and c) build bridges connecting disparate perspectives. An extensive panel of international experts in neurophysiological and psychosocial aspects of fibromyalgia discussed the collected evidence and progressively refined and conceptualized its interpretation. This work constitutes an essential step towards the development of a model capable of integrating the main factors implicated in fibromyalgia into a single, unified construct which appears indispensable to foster the understanding, assessment, and intervention for fibromyalgia.
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Affiliation(s)
- Ana Margarida Pinto
- University of Coimbra, Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, Rua do Colégio Novo, s/n, 3000-115 Coimbra, Portugal; University of Coimbra, University Clinic of Rheumatology, Faculty of Medicine, Rua Larga - FMUC, Pólo I - Edifício Central, 3004-504 Coimbra, Portugal; University of Coimbra, Psychological Medicine Institute, Faculty of Medicine, Rua Larga - FMUC, Pólo I - Edifício Central, 3004-504 Coimbra, Portugal.
| | - Mariana Luís
- Rheumatology Department, Coimbra Hospital and University Centre, Praceta Mota Pinto, 3004-561 Coimbra, Portugal.
| | - Rinie Geenen
- Department of Psychology, Utrecht University, Martinus J. Langeveldgebouw, Heidelberglaan 1, 3584 CS Utrecht, the Netherlands; Altrecht Psychosomatic Medicine Eikenboom, Vrijbaan 2, 3705 WC Zeist, the Netherlands.
| | - Filipe Palavra
- Centre for Child Development, Neuropediatric Unit. Pediatric Hospital, Coimbra Hospital and University Centre, Avenida Afonso Romão, 3000-602 Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (i.CBR), Faculty of Medicine, University of Coimbra, Azinhaga Santa Comba, 3000-548 Coimbra, Portugal.
| | - Mark A Lumley
- Department of Psychology, Wayne State University, 5057 Woodward Ave., Suite 7908, Detroit, MI 48202, USA.
| | - Jacob N Ablin
- Internal Medicine H, Tel-Aviv Sourasky Medical Center, 6 Weizmann Street, Tel Aviv 6423906, Israel; Sackler School of Medicine, Tel Aviv University, Ramat Aviv 69978, Israel.
| | - Kirstine Amris
- The Parker Institute, Department of Rheumatology, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Nordre Fasanvej 57, 2000 Frederiksberg, Denmark.
| | - Jaime Branco
- Rheumatology Department, Egas Moniz Hospital - Lisboa Ocidental Hospital Centre (CHLO-EPE), R. da Junqueira 126, 1349-019 Lisbon, Portugal; Comprehensive Health Research Center (CHRC), Chronic Diseases Research Centre (CEDOC), NOVA Medical School, NOVA University Lisbon (NMS/UNL), Campo Mártires da Pátria 130, 1169-056 Lisbon, Portugal.
| | - Dan Buskila
- Ben Gurion University of the Negev Beer-Sheba, Israel.
| | - João Castelhano
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), ICNAS, Edifício do ICNAS, Polo 3, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal, Portugal.
| | - Miguel Castelo-Branco
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), ICNAS, Edifício do ICNAS, Polo 3, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal, Portugal.
| | - Leslie J Crofford
- Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232, USA.
| | - Mary-Ann Fitzcharles
- Division of Rheumatology, Department of Medicine, McGill University, 1650 Cedar Ave, Montreal, Quebec, Canada, H3G 1A4.
| | - Winfried Häuser
- Department Psychosomatic Medicine and Psychotherapy, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany.
| | - Eva Kosek
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm 171 77, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
| | - Marina López-Solà
- Serra Hunter Programme, Department of Medicine and Health Sciences, University of Barcelona.
| | - Philip Mease
- Swedish Medical Center/Providence St. Joseph Health, Seattle, WA, USA; University of Washington School of Medicine, Seattle, WA, USA.
| | - Tiago Reis Marques
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences (LMS), Hammersmith Hospital, Imperial College London, South Kensington, London SW7 2BU, UK; Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, Strand, London WC2R 2LS, UK.
| | - Johannes W G Jacobs
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, Netherlands.
| | - Paula Castilho
- University of Coimbra, Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, Rua do Colégio Novo, s/n, 3000-115 Coimbra, Portugal.
| | - José A P da Silva
- University of Coimbra, University Clinic of Rheumatology, Faculty of Medicine, Rua Larga - FMUC, Pólo I - Edifício Central, 3004-504 Coimbra, Portugal; Rheumatology Department, Coimbra Hospital and University Centre, Praceta Mota Pinto, 3004-561 Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (i.CBR), Faculty of Medicine, University of Coimbra, Azinhaga Santa Comba, 3000-548 Coimbra, Portugal
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7
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Pinto AM, Geenen R, Wager TD, Lumley MA, Häuser W, Kosek E, Ablin JN, Amris K, Branco J, Buskila D, Castelhano J, Castelo-Branco M, Crofford LJ, Fitzcharles MA, López-Solà M, Luís M, Marques TR, Mease PJ, Palavra F, Rhudy JL, Uddin LQ, Castilho P, Jacobs JWG, da Silva JAP. Emotion regulation and the salience network: a hypothetical integrative model of fibromyalgia. Nat Rev Rheumatol 2023; 19:44-60. [PMID: 36471023 DOI: 10.1038/s41584-022-00873-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2022] [Indexed: 12/09/2022]
Abstract
Fibromyalgia is characterized by widespread pain, fatigue, sleep disturbances and other symptoms, and has a substantial socioeconomic impact. Current biomedical and psychosocial treatments are unsatisfactory for many patients, and treatment progress has been hindered by the lack of a clear understanding of the pathogenesis of fibromyalgia. We present here a model of fibromyalgia that integrates current psychosocial and neurophysiological observations. We propose that an imbalance in emotion regulation, reflected by an overactive 'threat' system and underactive 'soothing' system, might keep the 'salience network' (also known as the midcingulo-insular network) in continuous alert mode, and this hyperactivation, in conjunction with other mechanisms, contributes to fibromyalgia. This proposed integrative model, which we term the Fibromyalgia: Imbalance of Threat and Soothing Systems (FITSS) model, should be viewed as a working hypothesis with limited supporting evidence available. We hope, however, that this model will shed new light on existing psychosocial and biological observations, and inspire future research to address the many gaps in our knowledge about fibromyalgia, ultimately stimulating the development of novel therapeutic interventions.
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Affiliation(s)
- Ana Margarida Pinto
- University of Coimbra, Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, Coimbra, Portugal
- University of Coimbra, University Clinic of Rheumatology, Faculty of Medicine, Coimbra, Portugal
- University of Coimbra, Psychological Medicine Institute, Faculty of Medicine, Coimbra, Portugal
| | - Rinie Geenen
- Department of Psychology, Utrecht University, Utrecht, The Netherlands
- Altrecht Psychosomatic Medicine Eikenboom, Zeist, The Netherlands
| | - Tor D Wager
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, USA
| | - Mark A Lumley
- Department of Psychology, Wayne State University, Detroit, MI, USA
| | - Winfried Häuser
- Department Psychosomatic Medicine and Psychotherapy, Technical University of Munich, Munich, Germany
| | - Eva Kosek
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Jacob N Ablin
- Internal Medicine H, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler School of Medicine, Tel Aviv University, Ramat Aviv, Israel
| | - Kirstine Amris
- The Parker Institute, Department of Rheumatology, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark
| | - Jaime Branco
- Rheumatology Department, Egas Moniz Hospital - Lisboa Ocidental Hospital Centre (CHLO-EPE), Lisbon, Portugal
- Comprehensive Health Research Center (CHRC), Chronic Diseases Research Centre (CEDOC), NOVA Medical School, NOVA University Lisbon (NMS/UNL), Lisbon, Portugal
| | - Dan Buskila
- Ben Gurion University of the Negev Beer-Sheba, Beersheba, Israel
| | - João Castelhano
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), ICNAS, Coimbra, Portugal
| | - Miguel Castelo-Branco
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), ICNAS, Coimbra, Portugal
| | - Leslie J Crofford
- Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Mary-Ann Fitzcharles
- Division of Rheumatology, Department of Medicine, McGill University, Montreal, QC, Canada
| | - Marina López-Solà
- Serra Hunter Programme, Department of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | - Mariana Luís
- Rheumatology Department, Coimbra Hospital and University Centre, Coimbra, Portugal
| | - Tiago Reis Marques
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences (LMS), Hammersmith Hospital, Imperial College London, London, UK
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Philip J Mease
- Swedish Medical Center/Providence St. Joseph Health, Seattle, WA, USA
- University of Washington School of Medicine, Seattle, WA, USA
| | - Filipe Palavra
- Centre for Child Development, Neuropediatric Unit, Paediatric Hospital, Coimbra Hospital and University Centre, Coimbra, Portugal
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (i.CBR), Faculty of Medicine, Coimbra, Portugal
| | - Jamie L Rhudy
- Department of Psychology, University of Tulsa, Tulsa, OK, USA
| | - Lucina Q Uddin
- Department of Psychology, University of Miami, Coral Gables, FL, USA
| | - Paula Castilho
- University of Coimbra, Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, Coimbra, Portugal
| | - Johannes W G Jacobs
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands
| | - José A P da Silva
- University of Coimbra, University Clinic of Rheumatology, Faculty of Medicine, Coimbra, Portugal.
- Rheumatology Department, Coimbra Hospital and University Centre, Coimbra, Portugal.
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (i.CBR), Faculty of Medicine, Coimbra, Portugal.
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8
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Parvez S, Fatima G, Mehdi F, Hadi NR, Fedacko J. Relationship Between Vitamin D Receptor Gene BsmI Polymorphism and Fibromyalgia Syndrome. Cureus 2022; 14:e27113. [PMID: 36000140 PMCID: PMC9391660 DOI: 10.7759/cureus.27113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2022] [Indexed: 11/21/2022] Open
Abstract
Purpose Vitamin D receptor (VDR) has been proposed as a possible marker for fibromyalgia syndrome (FMS). The purpose of this study is to characterize the expression pattern of BsmI polymorphism (rs1544410) in the VDR gene in women with FMS and the genotype-phenotype association. Methods A total of 105 FMS patients and 105 controls were included in this study. VDR gene BsmI polymorphism was assessed by polymerase chain reaction (PCR) and restriction fragment length polymerase (RFLP) method. Results There was no significant difference in the frequency distribution of both genotypes and alleles for VDR gene BsmI polymorphism between FMS patients and controls (p>0.05). The frequencies of BB, Bb, and bb in the VDR gene BsmI polymorphism were 19%, 43%, and 37% in patients, while in controls were 22.9%, 55.2%, and 21.9%. However, we did not find any significant association between the clinical symptoms of this disease and VDR BsmI genotypes among FMS patients (p>0.05). Conclusions The relationship between the VDR gene BsmI polymorphism and FMS could not be determined in this study. However, further studies with a larger sample size may be required to show a relation between the VDR gene BsmI polymorphism and FMS.
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Distinct CholinomiR Blood Cell Signature as a Potential Modulator of the Cholinergic System in Women with Fibromyalgia Syndrome. Cells 2022; 11:cells11081276. [PMID: 35455956 PMCID: PMC9031252 DOI: 10.3390/cells11081276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/04/2022] [Accepted: 04/06/2022] [Indexed: 11/25/2022] Open
Abstract
Fibromyalgia syndrome (FMS) is a heterogeneous chronic pain syndrome characterized by musculoskeletal pain and other key co-morbidities including fatigue and a depressed mood. FMS involves altered functioning of the central and peripheral nervous system (CNS, PNS) and immune system, but the specific molecular pathophysiology remains unclear. Anti-cholinergic treatment is effective in FMS patient subgroups, and cholinergic signaling is a strong modulator of CNS and PNS immune processes. Therefore, we used whole blood small RNA-sequencing of female FMS patients and healthy controls to profile microRNA regulators of cholinergic transcripts (CholinomiRs). We compared microRNA profiles with those from Parkinson’s disease (PD) patients with pain as disease controls. We validated the sequencing results with quantitative real-time PCR (qRT-PCR) and identified cholinergic targets. Further, we measured serum cholinesterase activity in FMS patients and healthy controls. Small RNA-sequencing revealed FMS-specific changes in 19 CholinomiRs compared to healthy controls and PD patients. qRT-PCR validated miR-182-5p upregulation, distinguishing FMS patients from healthy controls. mRNA targets of CholinomiRs bone morphogenic protein receptor 2 and interleukin 6 signal transducer were downregulated. Serum acetylcholinesterase levels and cholinesterase activity in FMS patients were unchanged. Our findings identified an FMS-specific CholinomiR signature in whole blood, modulating immune-related gene expression.
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10
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Braun A, Evdokimov D, Frank J, Pauli P, Wabel T, Üçeyler N, Sommer C. Relevance of Religiosity for Coping Strategies and Disability in Patients with Fibromyalgia Syndrome. JOURNAL OF RELIGION AND HEALTH 2022; 61:524-539. [PMID: 33484390 PMCID: PMC8837569 DOI: 10.1007/s10943-020-01177-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/31/2020] [Indexed: 05/17/2023]
Abstract
Coping strategies are essential for the outcome of chronic pain. This study evaluated religiosity in a cohort of patients with fibromyalgia syndrome (FMS), its effect on pain and other symptoms, on coping and FMS-related disability. A total of 102 FMS patients were recruited who filled in questionnaires, a subgroup of 42 patients participated in a face-to-face interview, and data were evaluated by correlation and regression analyses. Few patients were traditionally religious, but the majority believed in a higher existence and described their spirituality as "transcendence conviction". The coping strategy "praying-hoping" and the ASP dimension "religious orientation" (r = 0.5, P < 0.05) showed a significant relationship independent of the grade of religiosity (P < 0.05). A high grade of belief in a higher existence was negatively associated with the choice of ignoring as coping strategy (r = - 0.4, P < 0.05). Mood and affect-related variables had the highest impact on disability (b = 0.5, P < 0.05). In this cohort, the grade of religiosity played a role in the choice of coping strategies, but had no effects on health and mood outcome.
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Affiliation(s)
- Alexandra Braun
- Department of Neurology, University of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany.
| | - Dimitar Evdokimov
- Department of Neurology, University of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Johanna Frank
- Department of Neurology, University of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Paul Pauli
- Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), Center of Mental Health, University of Würzburg, Marcusstraße 9-11, 97070, Würzburg, Germany
| | - Thomas Wabel
- Department of Systematic Theology, University of Bamberg, Markusplatz 3, 96047, Bamberg, Germany
| | - Nurcan Üçeyler
- Department of Neurology, University of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Claudia Sommer
- Department of Neurology, University of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
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11
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Louca Jounger S, Christidis N, Hedenberg-Magnusson B, List T, Svensson P, Schalling M, Ernberg M. Polymorphisms in the HTR2A and HTR3A Genes Contribute to Pain in TMD Myalgia. FRONTIERS IN ORAL HEALTH 2022; 2:647924. [PMID: 35047998 PMCID: PMC8757775 DOI: 10.3389/froh.2021.647924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
Background: The aim of this study was to investigate if single nucleotide polymorphisms (SNPs) related to monoaminergic neurotransmission, in particular the serotonergic pathway, contribute to pain perception in patients with temporomandibular disorder (TMD) myalgia and if there is a correlation to jaw function as well as psychosocial factors such as stress, anxiety and depression. Materials and Methods: One hundred and seventeen individuals with TMD myalgia were included. A venous blood or saliva sample was taken for genetic analyses and genotyped regarding HTR2A (rs9316233) HTR3A (rs1062613), HTR3B (rs1176744), SERT (5-HTTLPR) and COMT (rs4680). A clinical examination according to Diagnostic Criteria for TMD (DC/TMD) was performed and axis II data (psychosocial factors) were compared between participants with different genotypes for each gene using Kruskall–Wallis test. The characteristic pain intensity (CPI) was tested for correlations to scores for the Perceived Stress Scale, Generalized Anxiety Disorder, and Patient Health Questionnaires using Spearman's rank correlation test with Bonferroni correction for multiple testing. To further explore data factor analysis was performed to identify latent factors associated to the outcome variables. Results: Participants carrying at least one copy of the rare allele of the HTR2A (rs9316233) and HTR3A (rs1062613) had higher CPI compared with the participants with the homozygous common genotype (P = 0.042 and P = 0.024, respectively). Correlation analyses showed several significant positive correlations between CPI on one hand, and self-reported psychosocial distress and jaw function on the other hand for several genotypes that mostly were weak to moderate. The factor analysis identified two latent variables. One was positively correlated to the HTR3B gene, jaw function and self-reported parafunctions, and the other was positively correlated to psychological distress and negatively correlated to SERT. Conclusion: Taken together, the polymorphism rs1062613 in the HTR3A gene contributes to pain intensity in TMD myalgia. This together with positive interactions between pain variables and psychological factors in genotypes strengthens that pain and psychological distress are related. Further research is needed to explore this as well as the influence of gene-to-gene interactions on pain and psychological distress.
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Affiliation(s)
- Sofia Louca Jounger
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden.,Scandinavian Center for Orofacial Neurosciences (SCON), Huddinge, Sweden
| | - Nikolaos Christidis
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden.,Scandinavian Center for Orofacial Neurosciences (SCON), Huddinge, Sweden
| | - Britt Hedenberg-Magnusson
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden.,Scandinavian Center for Orofacial Neurosciences (SCON), Huddinge, Sweden.,Department of Orofacial Pain and Jaw Function, Folktandvården Eastmaninstitutet, Stockholm, Sweden
| | - Thomas List
- Scandinavian Center for Orofacial Neurosciences (SCON), Huddinge, Sweden.,Department of Orofacial Pain and Jaw Function, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Peter Svensson
- Scandinavian Center for Orofacial Neurosciences (SCON), Huddinge, Sweden.,Department of Orofacial Pain and Jaw Function, Faculty of Odontology, Malmö University, Malmö, Sweden.,Section of Orofacial Pain and Jaw Function, Department of Dentistry and Oral Health, University of Aarhus, Aarhus, Denmark
| | - Martin Schalling
- Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Malin Ernberg
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden.,Scandinavian Center for Orofacial Neurosciences (SCON), Huddinge, Sweden
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12
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Janssen LP, Medeiros LF, Souza ADE, Silva JDA. Fibromyalgia: A Review of Related Polymorphisms and Clinical Relevance. AN ACAD BRAS CIENC 2021; 93:e20210618. [PMID: 34730627 DOI: 10.1590/0001-3765202120210618] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/15/2021] [Indexed: 11/21/2022] Open
Abstract
Fibromyalgia (FM) is a chronic pain syndrome that affects the central nervous system and generates disability, which is characterized by generalized pain, fatigue, and functional decline. In this review, we aimed to identify the polymorphisms related to the pathophysiology of FM and the clinical characteristics generated by genetic influence. Only original studies with genes related to FM were considered, totaling 27 articles. The genes found were: MTHFR, RGS4, MYT1L, TACR1, SCN9A, DRD3, ADRB2, IL-4, HLA-DRB1, EDN1, CNR1, TAAR1, OPRM1, ADRA1A, ADRB3, BDNF, GRIA4, HTR3A, HTR3B, HTR2A, SERPINA 1 or A1AT, NRXN3, GCH1, MEFV, TRPV3, SLC6A4, ACE I/D, TSPO, COMT, and MAOA. Several genes related to different pain syndromes and altered pain thresholds have been identified and some polymorphisms were related to susceptibility to FM. It was observed that 73.33% of the genes related to FM were also associated with some psychological disorders, such as anxiety, depression, schizophrenia, and obsessive and compulsive disorder, and 40.00% with pain sensitivity and/or migraine, besides other disorders associated (drug addiction, autoimmune disorders, circulatory problems, and metabolic alterations). This review demonstrated an association of FM and genetic polymorphisms that can expand our knowledge about the pathophysiology of this disease.
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Affiliation(s)
- Luísa P Janssen
- Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, São José, 92425-900 Canoas, RS, Brazil.,Universidade do Vale do Rio dos Sinos (UNISINOS), Av. Unisinos 950, Cristo Rei, 93022-750 São Leopoldo, RS, Brazil
| | - Liciane F Medeiros
- La Salle University (UniLaSalle), Av. Victor Barreto 2288, Centro, 92010-000 Canoas, RS, Brazil
| | - Andressa DE Souza
- La Salle University (UniLaSalle), Av. Victor Barreto 2288, Centro, 92010-000 Canoas, RS, Brazil
| | - Juliana DA Silva
- Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, São José, 92425-900 Canoas, RS, Brazil.,La Salle University (UniLaSalle), Av. Victor Barreto 2288, Centro, 92010-000 Canoas, RS, Brazil
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13
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Comparison of the AAPT Fibromyalgia Diagnostic Criteria and Modified FAS Criteria with Existing ACR Criteria for Fibromyalgia in Korean Patients. Rheumatol Ther 2021; 8:1003-1014. [PMID: 34021490 PMCID: PMC8217352 DOI: 10.1007/s40744-021-00318-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/08/2021] [Indexed: 10/28/2022] Open
Abstract
INTRODUCTION Recently, new sets of diagnostic criteria were proposed, including criteria by the ACTTION-American Pain Society Pain Taxonomy (AAPT) group and Fibromyalgia Assessment Status (FAS) 2019 modified criteria for fibromyalgia (FM). Here, we explored the performances of the AAPT criteria and modified FAS criteria for diagnosing FM compared to existing American College of Rheumatology (ACR) criteria. METHODS We enrolled 95 patients with FM and 108 patients who had other rheumatologic disorders, including rheumatoid arthritis, systemic lupus erythematosus, osteoarthritis, and myofascial pain syndrome. All patients were classified using proposed criteria including the 1990, 2010, 2011, and 2016 versions of the ACR criteria. RESULTS In patients with existing FM diagnoses, FM was diagnosed in 56.8% using the AAPT criteria and in 60.0% using the modified FAS criteria. However, FM was diagnosed in 37.9%, 97.9%, 90.5%, and 94.7% of those patients using the 1990, 2010, 2011, and 2016 ACR criteria, respectively. For the AAPT criteria, the sensitivity was 56.8% and the specificity was 94.4%. For the modified FAS criteria, the sensitivity was 60.0% and the specificity was 92.6%. The areas under the receiver-operating characteristic curve were 0.852 (95% confidence interval [CI] 0.801-0.903) for the AAPT criteria and 0.903 (95% CI 0.861-0.944) for the modified FAS criteria, which were lower than the existing ACR criteria. CONCLUSIONS Although the AAPT criteria and modified FAS criteria have simplified the diagnostic criteria to facilitate patient identification, their poor diagnostic accuracy will limit the adoption and spread of these criteria in routine clinical practice.
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14
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Rahman MS, Winsvold BS, Chavez Chavez SO, Børte S, Tsepilov YA, Sharapov SZ, Aulchenko YS, Hagen K, Fors EA, Hveem K, Zwart JA, van Meurs JB, Freidin MB, Williams FM. Genome-wide association study identifies RNF123 locus as associated with chronic widespread musculoskeletal pain. Ann Rheum Dis 2021; 80:1227-1235. [PMID: 33926923 PMCID: PMC8372387 DOI: 10.1136/annrheumdis-2020-219624] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/23/2021] [Accepted: 02/25/2021] [Indexed: 12/18/2022]
Abstract
Background and objectives Chronic widespread musculoskeletal pain (CWP) is a symptom of fibromyalgia and a complex trait with poorly understood pathogenesis. CWP is heritable (48%–54%), but its genetic architecture is unknown and candidate gene studies have produced inconsistent results. We conducted a genome-wide association study to get insight into the genetic background of CWP. Methods Northern Europeans from UK Biobank comprising 6914 cases reporting pain all over the body lasting >3 months and 242 929 controls were studied. Replication of three independent genome-wide significant single nucleotide polymorphisms was attempted in six independent European cohorts (n=43 080; cases=14 177). Genetic correlations with risk factors, tissue specificity and colocalisation were examined. Results Three genome-wide significant loci were identified (rs1491985, rs10490825, rs165599) residing within the genes Ring Finger Protein 123 (RNF123), ATPase secretory pathway Ca2+transporting 1 (ATP2C1) and catechol-O-methyltransferase (COMT). The RNF123 locus was replicated (meta-analysis p=0.0002), the ATP2C1 locus showed suggestive association (p=0.0227) and the COMT locus was not replicated. Partial genetic correlation between CWP and depressive symptoms, body mass index, age of first birth and years of schooling were identified. Tissue specificity and colocalisation analysis highlight the relevance of skeletal muscle in CWP. Conclusions We report a novel association of RNF123 locus and a suggestive association of ATP2C1 locus with CWP. Both loci are consistent with a role of calcium regulation in CWP. The association with COMT, one of the most studied genes in chronic pain field, was not confirmed in the replication analysis.
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Affiliation(s)
- Md Shafiqur Rahman
- Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, London, UK
| | - Bendik S Winsvold
- Department of Research, Innovation and Education,Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway.,Department of Neurology, Oslo universitetssykehus Ullevål, Oslo, Norway.,K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Sergio O Chavez Chavez
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Zuid-Holland, The Netherlands
| | - Sigrid Børte
- K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Research and Communication Unit for Musculoskeletal Health (FORMI), Department of Research, Innovation and Education, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine,Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Yakov A Tsepilov
- Laboratory of Theoretical and Applied Functional Genomics, Novosibirsk State University, Novosibirsk, 630090, Novosibirskaâ, Russia.,PolyOmica, 's-Hertogenbosch, PA, The Netherlands.,Laboratory of Recombination and Segregation Analysis, Institute of Cytology and Genetics, 10 Lavrentiev Avenue, Novosibirsk, 630090, Russia
| | - Sodbo Zh Sharapov
- Laboratory of Theoretical and Applied Functional Genomics, Novosibirsk State University, Novosibirsk, 630090, Novosibirskaâ, Russia.,Laboratory of Recombination and Segregation Analysis, Institute of Cytology and Genetics, 10 Lavrentiev Avenue, Novosibirsk, 630090, Russia
| | | | - Yurii S Aulchenko
- Laboratory of Theoretical and Applied Functional Genomics, Novosibirsk State University, Novosibirsk, 630090, Novosibirskaâ, Russia.,PolyOmica, 's-Hertogenbosch, PA, The Netherlands
| | - Knut Hagen
- Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Clinical Research Unit Central Norway, St Olavs University Hospital, Trondheim, Norway
| | - Egil A Fors
- Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Kristian Hveem
- K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,HUNT Research Center, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - John Anker Zwart
- Department of Research, Innovation and Education,Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway.,K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Institute of Clinical Medicine,Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Joyce B van Meurs
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Zuid-Holland, The Netherlands
| | - Maxim B Freidin
- Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, London, UK
| | - Frances Mk Williams
- Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, London, UK
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15
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Estévez-López F, Salazar-Tortosa DF, Camiletti-Moirón D, Gavilán-Carrera B, Aparicio VA, Acosta-Manzano P, Segura-Jiménez V, Álvarez-Gallardo IC, Carbonell-Baeza A, Munguía-Izquierdo D, Geenen R, Lacerda E, Delgado-Fernández M, Martínez-González LJ, Ruiz JR, Álvarez-Cubero MJ. Fatigue in Women with Fibromyalgia: A Gene-Physical Activity Interaction Study. J Clin Med 2021; 10:jcm10091902. [PMID: 33924903 PMCID: PMC8125111 DOI: 10.3390/jcm10091902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/27/2021] [Accepted: 04/06/2021] [Indexed: 11/16/2022] Open
Abstract
Fatigue is a cardinal symptom in fibromyalgia. Fatigue is assumed to be the result of genetic susceptibility and environmental factors. We aimed at examining the role of genetic susceptibility for fatigue in southern Spanish women with fibromyalgia, by looking at single nucleotide polymorphisms in 34 fibromyalgia candidate-genes, at the interactions between genes, and at the gene-physical activity interactions. We extracted DNA from saliva of 276 fibromyalgia women to analyze gene-polymorphisms. Accelerometers registered physical activity and sedentary behavior. Fatigue was assessed with the Multidimensional Fatigue Inventory. Based on the Bonferroni’s and False Discovery Rate values, we found that the genotype of the rs4453709 polymorphism (sodium channel protein type 9 subunit alpha, SCN9A, gene) was related to reduced motivation (AT carriers showed the highest reduced motivation) and reduced activity (AA carriers showed the lowest reduced activity). Carriers of the heterozygous genotype of the rs1801133 (methylene tetrahydrofolate reductase, MTHFR, gene) or rs4597545 (SCN9A gene) polymorphisms who were physically active reported lower scores on fatigue compared to their inactive counterparts. Highly sedentary carriers of the homozygous genotype of the rs7607967 polymorphism (AA/GG genotype; SCN9A gene) presented more reduced activity (a dimension of fatigue) than those with lower levels of sedentary behavior. Collectively, findings from the present study suggest that the contribution of genetics and gene-physical activity interaction to fatigue in fibromyalgia is modest.
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Affiliation(s)
- Fernando Estévez-López
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center, 3015 GD Rotterdam, The Netherlands;
| | - Diego F. Salazar-Tortosa
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85719, USA
- Correspondence:
| | - Daniel Camiletti-Moirón
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, 11519 Cádiz, Spain; (D.C.-M.); (B.G.-C.); (V.S.-J.); (I.C.Á.-G.); (A.C.-B.)
| | - Blanca Gavilán-Carrera
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, 11519 Cádiz, Spain; (D.C.-M.); (B.G.-C.); (V.S.-J.); (I.C.Á.-G.); (A.C.-B.)
| | - Virginia A. Aparicio
- Department of Physiology, Faculty of Pharmacy, University of Granada, 18011 Granada, Spain;
- Biomedical Research Centre (CIBM), Institute of Nutrition and Food Technology (INYTA), University of Granada, 18016 Granada, Spain
| | - Pedro Acosta-Manzano
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, 18010 Granada, Spain; (P.A.-M.); (M.D.-F.)
| | - Víctor Segura-Jiménez
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, 11519 Cádiz, Spain; (D.C.-M.); (B.G.-C.); (V.S.-J.); (I.C.Á.-G.); (A.C.-B.)
| | - Inmaculada C. Álvarez-Gallardo
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, 11519 Cádiz, Spain; (D.C.-M.); (B.G.-C.); (V.S.-J.); (I.C.Á.-G.); (A.C.-B.)
| | - Ana Carbonell-Baeza
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, 11519 Cádiz, Spain; (D.C.-M.); (B.G.-C.); (V.S.-J.); (I.C.Á.-G.); (A.C.-B.)
| | - Diego Munguía-Izquierdo
- Physical Performance and Sports Research Center, Department of Sports and Computer Science, Section of Physical Education and Sports, Faculty of Sport Sciences, Universidad Pablo de Olavide, 41013 Seville, Spain;
| | - Rinie Geenen
- Department of Psychology, Faculty of Social and Behavioural Sciences, Utrecht University, 3508 TC Utrecht, The Netherlands;
| | - Eliana Lacerda
- Department of Clinical Research, Faculty of Infectious & Tropical Disease, London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK;
| | - Manuel Delgado-Fernández
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, 18010 Granada, Spain; (P.A.-M.); (M.D.-F.)
| | - Luis J. Martínez-González
- GENYO, Centre for Genomics and Oncological Research, Pfizer, University of Granada, Andalusian Regional Government, PTS Granada, Av. Ilustracion, 114, 18016 Granada, Spain;
| | - Jonatan R. Ruiz
- PROFITH—“PROmoting FITness and Health Through Physical Activity” Research Group, Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain;
| | - María J. Álvarez-Cubero
- Department of Biochemistry and Molecular Biology III, Faculty of Medicine, University of Granada, 18010 Granada, Spain;
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16
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Ferrera D, Mercado F, Peláez I, Martínez-Iñigo D, Fernandes-Magalhaes R, Barjola P, Écija C, Díaz-Gil G, Gómez-Esquer F. Fear of pain moderates the relationship between self-reported fatigue and methionine allele of catechol-O-methyltransferase gene in patients with fibromyalgia. PLoS One 2021; 16:e0250547. [PMID: 33909692 PMCID: PMC8081450 DOI: 10.1371/journal.pone.0250547] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/10/2021] [Indexed: 11/19/2022] Open
Abstract
Previous research has shown a consistent association among genetic factors, psychological symptoms and pain associated with fibromyalgia. However, how these symptoms interact to moderate genetic factors in fibromyalgia has rarely been studied to date. The present research investigates whether psychological symptoms can moderate the effects of catechol-O-methyltransferase on pain and fatigue. A total of 108 women diagnosed with fibromyalgia and 77 healthy control participants took part in the study. Pain, fatigue, and psychological symptoms (anxiety, depression, pain catastrophizing, fear of pain and fear of movement) were measured by self-report questionnaires. Two types of statistical analyses were performed; the first was undertaken to explore the influences of COMT genotypes on clinical symptoms by comparing patients with fibromyalgia and healthy controls. In the second analysis, moderation analyses to explore the role of psychological symptoms as potential factors that moderate the relationship between pain/fatigue and COMT genotypes were performed. The main results indicated that patients carrying the Met/Met genotype reported significantly higher levels of fatigue than heterozygote carriers (i.e., Met/Val genotype) and higher levels of fatigue, but not significantly different, than Val homozygote carriers. Among patients with fibromyalgia carrying methionine alleles (i.e., Met/Met + Met/Val carriers), only those who scored high on medical fear of pain, experienced an intensified feeling of fatigue. Thus, the present research suggests that fear of pain, as a psychological symptom frequently described in fibromyalgia may act as a moderating factor in the relationship between the Met allele of the COMT gene and the increase or decrease in self-reported fatigue. Although further research with wider patient samples is needed to confirm the present findings, these results point out that the use of psychological interventions focused on affective symptomatology might be a useful tool to reduce the severity of fibromyalgia.
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Affiliation(s)
- David Ferrera
- Department of Psychology, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
- * E-mail:
| | - Francisco Mercado
- Department of Psychology, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | - Irene Peláez
- Department of Psychology, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | - David Martínez-Iñigo
- Department of Psychology, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | | | - Paloma Barjola
- Department of Psychology, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | - Carmen Écija
- Department of Psychology, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | - Gema Díaz-Gil
- Department of Basic Health Sciences, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | - Francisco Gómez-Esquer
- Department of Basic Health Sciences, School of Health Sciences, Rey Juan Carlos University, Madrid, Spain
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17
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Fibromyalgia: Pathogenesis, Mechanisms, Diagnosis and Treatment Options Update. Int J Mol Sci 2021; 22:ijms22083891. [PMID: 33918736 PMCID: PMC8068842 DOI: 10.3390/ijms22083891] [Citation(s) in RCA: 187] [Impact Index Per Article: 62.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 12/13/2022] Open
Abstract
Fibromyalgia is a syndrome characterized by chronic and widespread musculoskeletal pain, often accompanied by other symptoms, such as fatigue, intestinal disorders and alterations in sleep and mood. It is estimated that two to eight percent of the world population is affected by fibromyalgia. From a medical point of view, this pathology still presents inexplicable aspects. It is known that fibromyalgia is caused by a central sensitization phenomenon characterized by the dysfunction of neuro-circuits, which involves the perception, transmission and processing of afferent nociceptive stimuli, with the prevalent manifestation of pain at the level of the locomotor system. In recent years, the pathogenesis of fibromyalgia has also been linked to other factors, such as inflammatory, immune, endocrine, genetic and psychosocial factors. A rheumatologist typically makes a diagnosis of fibromyalgia when the patient describes a history of pain spreading in all quadrants of the body for at least three months and when pain is caused by digital pressure in at least 11 out of 18 allogenic points, called tender points. Fibromyalgia does not involve organic damage, and several diagnostic approaches have been developed in recent years, including the analysis of genetic, epigenetic and serological biomarkers. Symptoms often begin after physical or emotional trauma, but in many cases, there appears to be no obvious trigger. Women are more prone to developing the disease than men. Unfortunately, the conventional medical therapies that target this pathology produce limited benefits. They remain largely pharmacological in nature and tend to treat the symptomatic aspects of various disorders reported by the patient. The statistics, however, highlight the fact that 90% of people with fibromyalgia also turn to complementary medicine to manage their symptoms.
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18
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Kelley MA, Hackshaw KV. Intraepidermal Nerve Fiber Density as Measured by Skin Punch Biopsy as a Marker for Small Fiber Neuropathy: Application in Patients with Fibromyalgia. Diagnostics (Basel) 2021; 11:536. [PMID: 33802768 PMCID: PMC8002511 DOI: 10.3390/diagnostics11030536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 02/26/2021] [Accepted: 03/11/2021] [Indexed: 12/11/2022] Open
Abstract
Small fiber neuropathy (SFN) is a type of peripheral neuropathy that occurs from damage to the small A-delta and C nerve fibers that results in the clinical condition known as SFN. This pathology may be the result of metabolic, toxic, immune-mediated, and/or genetic factors. Small fiber symptoms can be variable and inconsistent and therefore require an objective biomarker confirmation. Small fiber dysfunction is not typically captured by diagnostic tests for large-fiber neuropathy (nerve conduction and electromyographic study). Therefore, skin biopsies stained with PGP 9.5 are the universally recommended objective test for SFN, with quantitative sensory tests, autonomic function testing, and corneal confocal imaging as secondary or adjunctive choices. Fibromyalgia (FM) is a heterogenous syndrome that has many symptoms that overlap with those found in SFN. A growing body of research has shown approximately 40-60% of patients carrying a diagnosis of FM have evidence of SFN on skin punch biopsy. There is currently no clearly defined phenotype in FM at this time to suggest whom may or may not have SFN, though research suggests it may correlate with severe cases. The skin punch biopsy provides an objective tool for use in quantifying small fiber pathology in FM. Skin punch biopsy may also be repeated for surveillance of the disease as well as measuring response to treatments. Evaluation of SFN in FM allows for better classification of FM and guidance for patient care as well as validation for their symptoms, leading to better use of resources and outcomes.
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Affiliation(s)
- Mary A. Kelley
- Department of Neurology, Dell Medical School, University of Texas at Austin, 1601 Trinity St, Austin, TX 78712, USA
| | - Kevin V. Hackshaw
- Department of Internal Medicine, Division of Rheumatology, Dell Medical School, University of Texas at Austin, 1601 Trinity St, Austin, TX 78712, USA;
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Coles ML, Weissmann R, Uziel Y. Juvenile primary Fibromyalgia Syndrome: epidemiology, etiology, pathogenesis, clinical manifestations and diagnosis. Pediatr Rheumatol Online J 2021; 19:22. [PMID: 33648522 PMCID: PMC7923821 DOI: 10.1186/s12969-021-00493-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 01/11/2021] [Indexed: 12/12/2022] Open
Abstract
Juvenile primary fibromyalgia syndrome (JPFS) is a chronic, musculoskeletal pain syndrome affecting children and adolescents, most commonly adolescent girls. The syndrome has a multifactorial etiology, with altered central pain processing playing an important role. The hallmark symptom is severe, widespread musculoskeletal pain. Other symptoms include sleep and mood disturbances, headaches, stiffness, and subjective joint swelling. Physical examination can reveal multiple tender points. The diagnosis is clinical, with defined criteria. Early diagnosis and intervention are important. In this part of the review, we discuss the epidemiology, etiology, pathogenesis, clinical manifestations and diagnosis of JPFS. Part two will focus on treatment and prognosis.
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Affiliation(s)
- Maya Levy Coles
- Pediatric Rheumatology Unit, Department of Pediatrics, Meir Medical Center, 49 Tshernichovsky St., 44281, Kfar Saba, Israel
| | - Rotem Weissmann
- Pediatric Rheumatology Unit, Department of Pediatrics, Meir Medical Center, 49 Tshernichovsky St., 44281, Kfar Saba, Israel
| | - Yosef Uziel
- Pediatric Rheumatology Unit, Department of Pediatrics, Meir Medical Center, 49 Tshernichovsky St., 44281, Kfar Saba, Israel.
- Sackler School of Medicine, Tel Aviv University, Tel Aviv-Yafo, Israel.
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20
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Hackshaw KV. The Search for Biomarkers in Fibromyalgia. Diagnostics (Basel) 2021; 11:diagnostics11020156. [PMID: 33494476 PMCID: PMC7911687 DOI: 10.3390/diagnostics11020156] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 01/18/2021] [Indexed: 12/12/2022] Open
Abstract
Fibromyalgia is the most common of the central sensitivity syndromes affecting 2–5% of the adult population in the United States. This pain amplification syndrome has enormous societal impact as measured by work absenteeism, decreased work productivity, disability and injury compensation and over-utilization of healthcare resources. Multiple studies have shown that early diagnosis of this condition can improve patient outlook and redirect valuable healthcare resources towards more appropriate targeted therapy. Efforts have been made towards improving diagnostic accuracy through updated criteria. The search for biomarkers for diagnosis and verification of Fibromyalgia is an ongoing process. Inadequacies with current diagnostic criteria for this condition have fueled these efforts for identification of a reproducible marker that can verify this disease in a highly sensitive, specific and reproducible manner. This review focuses on areas of research for biomarkers in fibromyalgia and suggests that future efforts might benefit from approaches that utilize arrays of biomarkers to identify this disorder that presents with a diverse clinical phenotype.
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Affiliation(s)
- Kevin V Hackshaw
- Department of Internal Medicine, Division of Rheumatology, Dell Medical School at the University of Texas at Austin, 1601 Trinity St, Austin, TX 78712, USA
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21
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Abstract
Introduction: Fibromyalgia represents the most prevalent of the group of conditions that are known as central sensitivity syndromes. Approximately 2-5% of the adult population in the United States is affected by Fibromyalgia. This pain amplification syndrome has an enormous economic impact as measured by work absenteeism, decreased work productivity, disability and injury compensation, and over-utilization of healthcare resources. Multiple studies have shown that early diagnosis of this condition can improve patient outlook, and redirect valuable health care resources toward more appropriate targeted therapy. Efforts have been made toward improving diagnostic accuracy through updated criteria. Areas Covered: Reviewed here are 1) reasons for the need for more accurate diagnosis of Fibromyalgia, (2) a review of the evolution of Fibromyalgia to current times, and (3) the proliferation of currently available diagnostic criteria and problems related to each of them. From initial literature review until October 2020, PubMed, Embase, and Scopus were searched for applicable literature. Expert Opinion: A discussion of ongoing efforts to obtain a biomarker to enhance diagnostic accuracy concludes this review. A need to include rheumatologists as part of the care team of patients with Fibromyalgia is emphasized.
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Affiliation(s)
- Kevin Hackshaw
- Division Chief of Rheumatology, Department of Internal Medicine, Division of Rheumatology, Dell Medical School, the University of Texas , Austin, TX, USA
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22
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Gerra MC, Carnevali D, Pedersen IS, Donnini C, Manfredini M, González-Villar A, Triñanes Y, Pidal-Miranda M, Arendt-Nielsen L, Carrillo-de-la-Peña MT. DNA methylation changes in genes involved in inflammation and depression in fibromyalgia: a pilot study. Scand J Pain 2020; 21:372-383. [PMID: 34387961 DOI: 10.1515/sjpain-2020-0124] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 11/05/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVES The present pilot study aims to investigate DNA methylation changes of genes related to fibromyalgia (FM) development and its main comorbid symptoms, including sleep impairment, inflammation, depression and other psychiatric disorders. Epigenetic modifications might trigger or perpetuate complex interplay between pain transduction/transmission, central pain processing and experienced stressors in vulnerable individuals. METHODS We conducted DNA methylation analysis by targeted bisulfite NGS sequencing testing differential methylation in 112 genomic regions from leukocytes of eight women with FM and their eight healthy sisters as controls. RESULTS Tests for differentially methylated regions and cytosines brought focus on the GRM2 gene, encoding the metabotropic glutamate receptor2. The slightly increased DNA methylation observed in the GRM2 region of FM patients may confirm the involvement of the glutamate pathway in this pathological condition. Logistic regression highlighted the simultaneous association of methylation levels of depression and inflammation-related genes with FM. CONCLUSIONS Altogether, the results evidence the glutamate pathway involvement in FM and support the idea that a combination of methylated and unmethylated genes could represent a risk factor to FM or its consequence, more than single genes. Further studies on the identified biomarkers could contribute to unravel the causative underlying FM mechanisms, giving reliable directions to research, improving the diagnosis and effective therapies.
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Affiliation(s)
- Maria Carla Gerra
- Department of Health Science and Technology, Center for Neuroplasticity and Pain (CNAP), SMI®, Aalborg University, Aalborg, Denmark
| | - Davide Carnevali
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma (UNIPR), Parma, Italy
| | - Inge Søkilde Pedersen
- Department of Clinical Medicine, Aalborg University Hospital and Aalborg University, Molecular Diagnostics, Aalborg, Denmark
| | - Claudia Donnini
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma (UNIPR), Parma, Italy
| | - Matteo Manfredini
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma (UNIPR), Parma, Italy
| | - Alberto González-Villar
- Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Yolanda Triñanes
- Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Marina Pidal-Miranda
- Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Lars Arendt-Nielsen
- Department of Health Science and Technology, Center for Neuroplasticity and Pain (CNAP), SMI®, Aalborg University, Aalborg, Denmark
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23
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Peck MM, Maram R, Mohamed A, Ochoa Crespo D, Kaur G, Ashraf I, Malik BH. The Influence of Pro-inflammatory Cytokines and Genetic Variants in the Development of Fibromyalgia: A Traditional Review. Cureus 2020; 12:e10276. [PMID: 33042712 PMCID: PMC7538208 DOI: 10.7759/cureus.10276] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 09/06/2020] [Indexed: 02/06/2023] Open
Abstract
Fibromyalgia is a complex syndrome characterized by widespread chronic pain, without any obvious etiology, and it is often accompanied by a constellation of symptoms such as fatigue, sleep disturbances and cognitive dysfunction, to name a few. The syndrome may be associated with a variety of autoimmune and psychiatric conditions. Fibromyalgia can occur with other musculoskeletal pathologies and its symptoms can overlap with other chronic painful conditions such as chronic myofascial pain syndromes seen in cervical and lumbar spinal osteoarthritis and degenerative disc disease. Gene polymorphisms have been related to a decreased pain threshold and an increased susceptibility to disorders associated with chronic pain. Some of those genetic variants might trigger the onset of fibromyalgia. Researchers are looking into the possible factors that might contribute to its pathophysiology. It is important to study the connections between pro-inflammatory cytokines and genetic variants in pain-related genes and their roles in predisposition and development of fibromyalgia. The objective of this review article is to provide a brief overview of the pro-inflammatory cytokines commonly associated with fibromyalgia, as well as to look into the genes that have shown some level of involvement in the development of fibromyalgia and its symptomatology.
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Affiliation(s)
- Mercedes Maria Peck
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ruchira Maram
- Internal Medicine, Arogyasri Healthcare Trust, Hyderabad, IND
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Alaa Mohamed
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
- Internal Medicine, Memorial Hermann Medical Center, Houston, USA
| | - Diego Ochoa Crespo
- Internal Medicine, Clinica San Martin, Azogues, ECU
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Gurleen Kaur
- Neurology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ibtisam Ashraf
- Internal Medicine, Shalamar Institute of Health Sciences, Lahore, PAK
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Bilal Haider Malik
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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24
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Association between fibromyalgia syndrome and MTHFR C677T genotype in Turkish patients. JOURNAL OF SURGERY AND MEDICINE 2020. [DOI: 10.28982/josam.651013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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25
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Meester I, Rivera-Silva GF, González-Salazar F. Immune System Sex Differences May Bridge the Gap Between Sex and Gender in Fibromyalgia. Front Neurosci 2020; 13:1414. [PMID: 32009888 PMCID: PMC6978848 DOI: 10.3389/fnins.2019.01414] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 12/16/2019] [Indexed: 12/19/2022] Open
Abstract
The fibromyalgia syndrome (FMS) is characterized by chronic widespread pain, sleep disturbances, fatigue, and cognitive alterations. A limited efficacy of targeted treatment and a high FMS prevalence (2–5% of the adult population) sums up to high morbidity. Although, altered nociception has been explained with the central sensitization hypothesis, which may occur after neuropathy, its molecular mechanism is not understood. The marked female predominance among FMS patients is often attributed to a psychosocial predisposition of the female gender, but here we will focus on sex differences in neurobiological processes, specifically those of the immune system, as various immunological biomarkers are altered in FMS. The activation of innate immune sensors is compatible with a neuropathy or virus-induced autoimmune diseases. Considering sex differences in the immune system and the clustering of FMS with autoimmune diseases, we hypothesize that the female predominance in FMS is due to a neuropathy-induced autoimmune pathophysiology. We invite the scientific community to verify the autoimmune hypothesis for FMS.
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Affiliation(s)
- Irene Meester
- Laboratory of Tissue Engineering and Regenerative Medicine, Basic Sciences Department, University of Monterrey, San Pedro Garza García, Mexico
| | - Gerardo Francisco Rivera-Silva
- Laboratory of Tissue Engineering and Regenerative Medicine, Basic Sciences Department, University of Monterrey, San Pedro Garza García, Mexico
| | - Francisco González-Salazar
- Laboratory of Tissue Engineering and Regenerative Medicine, Basic Sciences Department, University of Monterrey, San Pedro Garza García, Mexico.,Laboratory of Cellular Physiology, Northeast Center of Research, Mexican Institute of Social Security, Monterrey, Mexico
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26
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Hatami M, Sobhan MR, Dastgheib SA, Jarahzadeh MH, Jafari M, Yadegari A, Sadeghizadeh-Yazdi J, Neamatzadeh H. Association of catechol-O-methyltranferase 472G>A (Val158Met) polymorphism with susceptibility to fibromyalgia syndrome. J Orthop 2020; 20:257-260. [PMID: 32127730 DOI: 10.1016/j.jor.2020.01.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 01/09/2020] [Indexed: 11/18/2022] Open
Abstract
Background Several lines of research have suggested that the 472G > A (Val158Met) polymorphism at Catechol-O-methyltranferase (COMT) gene is implicated in the pathophysiology of FMS. Here, we have evaluated the association of COMT 472G > A polymorphism with risk of FMS. Methods In this study 250 patients with FMS and 250 healthy controls were evaluated for COMT 472G > A polymorphism by RFLP-PCR assay. Results There were no significant differences in the allele and genotype frequencies of COMT 472G > A polymorphism between FMS cases and healthy controls. Conclusions Our results suggested that the COMT 472G > A polymorphism may not be risk factor for development of FMS.
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Affiliation(s)
- Maryam Hatami
- Department of Anesthesiology and Critical Care, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mohammad Reza Sobhan
- Department of Orthopedics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Seyed Alireza Dastgheib
- Department of Medical Genetics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Mohammadali Jafari
- Department of Emergency Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Amirhossein Yadegari
- Medical Student, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Jalal Sadeghizadeh-Yazdi
- Department of Food Science and Technology, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hossein Neamatzadeh
- Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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27
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Ledermann K, Hasler G, Jenewein J, Sprott H, Schnyder U, Martin-Soelch C. 5'UTR polymorphism in the serotonergic receptor HTR3A gene is differently associated with striatal Dopamine D2/D3 receptor availability in the right putamen in Fibromyalgia patients and healthy controls-Preliminary evidence. Synapse 2020; 74:e22147. [PMID: 31868947 DOI: 10.1002/syn.22147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/12/2019] [Accepted: 12/17/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Extensive literature has investigated the role of serotonin (5-HT) in the control of the central dopamine (DA) systems, and their dysfunction in the pathological conditions. 5-HT stimulates the local DA release in striatal regions via activation of various receptors including serotonin receptor-3 (5-HT3). Several studies have related polymorphisms (SNPs) in the serotonin receptor-3 (HTR3) genes to be associated with the pain modulation and endogenous pain suppression. A few studies suggested a functional role of 5'UTR SNP in the serotonergic receptor HTR3A gene (rs1062613) in the development of the chronic pain and Fibromyalgia syndrome (FMS) in particular. Here, we investigated the effect of a 5'UTR SNP in the serotonergic receptor HTR3A gene (rs1062613) on striatal dopamine D2/D3 receptor (DRD2) availability and reward-associated DA release in response to unpredictable monetary rewards in 23 women with FMS and 17 age-matched healthy female controls. Furthermore, we aimed to examine if SNP rs1062613 is associated with thermal pain and pain tolerance thresholds. METHODS We used PET and [11 C]raclopride to assess the DRD2 availability. In the same participants we used the [11 C]raclopride PET bolus-plus-infusion method to measure the [11 C]raclopride receptor binding potential (ΔBP) between an unpredictable reward condition and a sensorimotor control condition. DRD2 availability and ΔBP were assessed in MRI-based striatal regions of interest. Thermal pain and pain tolerance thresholds were assessed outside the scanner. RESULTS The frequency of SNP rs1062613 genotype differed significantly between groups, indicating that CC homozygotes were more frequent in FMS patients (82.6%) than in healthy controls (41.3%). Our results showed a significant main effect of SNP rs1062613 on [11 C]raclopride binding potential in the right caudate nucleus indicating a higher DRD2 receptor availability for CC-genotype of this SNP. Furthermore, we found a significant group × SNP interaction on [11 C]raclopride binding potential in the right putamen, indicating a higher DRD2 availability in T-carriers compared to CC genotype of SNP rs1062613 in FMS patients, whereas this effect was not present in healthy controls. However, we did not find an influence of SNP rs1062613 on reward-related DA release. In addition, there was no association between SNP rs1062613 and pain threshold or pain tolerance threshold in our data. CONCLUSION These preliminary results indicate that SNP rs1062613 in the serotonergic receptor HTR3A gene possibly modulates the DRD2 receptor availability.
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Affiliation(s)
- Katharina Ledermann
- Department of Psychology, Unit of Clinical and Health Psychology, University Fribourg, Fribourg, Switzerland.,Department of Consultation-Liaison Psychiatry and Psychosomatics, University Hospital, University of Zurich, Zurich, Switzerland
| | - Gregor Hasler
- Department of Psychology, Unit of Clinical and Health Psychology, University Fribourg, Fribourg, Switzerland
| | - Josef Jenewein
- Department of Consultation-Liaison Psychiatry and Psychosomatics, University Hospital, University of Zurich, Zurich, Switzerland.,Clinic Zugersee, Center for Psychiatry and Psychotherapy, Oberwil-Zug, Switzerland
| | - Haiko Sprott
- University of Zurich and Arztpraxis Hottingen, Zurich, Switzerland
| | | | - Chantal Martin-Soelch
- Department of Psychology, Unit of Clinical and Health Psychology, University Fribourg, Fribourg, Switzerland
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28
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Türkoğlu G, Selvi Y. The relationship between chronotype, sleep disturbance, severity of fibromyalgia, and quality of life in patients with fibromyalgia. Chronobiol Int 2019; 37:68-81. [DOI: 10.1080/07420528.2019.1684314] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Gözde Türkoğlu
- Department of Physical Medicine and Rehabilitation, Konya Training and Research Hospital, Konya, Turkey
| | - Yavuz Selvi
- Department of Psychiatry, Selcuk University Faculty of Medicine, Konya, Turkey
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29
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Park DJ, Kim SH, Nah SS, Lee JH, Kim SK, Lee YA, Hong SJ, Kim HS, Lee HS, Kim HA, Joung CI, Kim SH, Lee SS. Association between brain-derived neurotrophic factor gene polymorphisms and fibromyalgia in a Korean population: a multicenter study. Arthritis Res Ther 2018; 20:220. [PMID: 30285822 PMCID: PMC6235218 DOI: 10.1186/s13075-018-1726-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 09/18/2018] [Indexed: 01/28/2023] Open
Abstract
Background Several lines of evidence imply that brain-derived neurotrophic factor (BDNF) is involved in the pathophysiology of fibromyalgia (FM); in this regard, patients with FM have altered blood and cerebrospinal fluid levels of BDNF. In this study, we explored the association between BDNF gene polymorphisms and FM susceptibility and the severity of symptoms. Methods In total, 409 patients with FM and 423 healthy controls in 10 medical centers were enrolled from the Korean nationwide FM survey. The alleles and genotypes at 10 positions in the BDNF gene were genotyped. Results The allele and genotype frequencies of BDNF rs11030104 differed significantly between the patients with FM and the controls (P = 0.031). The GG genotype of rs11030104 had a protective effect against FM (P = 0.016), and the G allele of rs11030104 was negatively associated with the presence of FM compared with the A allele (P = 0.013). In comparison, although the allele and genotype frequencies of BDNF rs12273539 did not differ between the two groups, the TT genotype of BDNF rs12273539 was associated with susceptibility to FM (P = 0.038). Haplotype analyses implied that some BDNF haplotypes have a protective effect against FM. Finally, several genotypes and haplotypes of the BDNF gene contributed to specific symptoms of FM. Conclusions This study is the first to evaluate the associations between BDNF gene polymorphisms and FM. Our results imply that some BDNF single-nucleotide polymorphisms and haplotypes are associated with susceptibility to, and contribute to the symptoms of, FM.
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Affiliation(s)
- Dong-Jin Park
- Division of Rheumatology, Department of Internal Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Republic of Korea
| | - Seong-Ho Kim
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Seong-Su Nah
- Department of Internal Medicine, Soonchunhyang University, College of Medicine, Cheonan, Korea
| | - Ji Hyun Lee
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Seong-Kyu Kim
- Department of Internal Medicine, Catholic University of Daegu, School of Medicine, Daegu, Korea
| | - Yeon-Ah Lee
- Department of Internal Medicine, School of Medicine, Kyung Hee University, Seoul, Korea
| | - Seung-Jae Hong
- Department of Internal Medicine, School of Medicine, Kyung Hee University, Seoul, Korea
| | - Hyun-Sook Kim
- Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Hye-Soon Lee
- Hanyang University College of Medicine and the Hospital for Rheumatic Diseases, Seoul, Korea
| | - Hyoun Ah Kim
- Department of Allergy and Rheumatology, Ajou University Hospital, Ajou University School of Medicine, Suwon, Korea
| | - Chung-Il Joung
- Department of Internal Medicine, Konyang University Medical School, Daejeon, Korea
| | - Sang-Hyon Kim
- Departments of Internal Medicine, School of Medicine, Keimyung University, Daegu, Korea
| | - Shin-Seok Lee
- Division of Rheumatology, Department of Internal Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Republic of Korea.
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30
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Conversano C, Marchi L, Rebecca C, Carmassi C, Contena B, Bazzichi LM, Gemignani A. Personality Traits in Fibromyalgia (FM): Does FM Personality Exists? A Systematic Review. Clin Pract Epidemiol Ment Health 2018; 14:223-232. [PMID: 30294356 PMCID: PMC6166394 DOI: 10.2174/1745017901814010223] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 05/10/2018] [Accepted: 07/28/2018] [Indexed: 01/25/2023]
Abstract
Introduction: Fibromyalgia (FM) is the second most common rheumatic disease with many effects on patient's quality of life. It has been described as a chronic condition characterized by widespread musculo-skeletal pain, sleep disorders and prominent fatigue. Regarding the role of personality factors in fibromyalgia, researchers have focused both on personality traits and psychopathological aspects showing inconsistent results. In particular, several studies have examined the role of alexithymia in FM patients, a trait of personality characterized by difficulty in identification, recognition and description of emotions and feelings, while others have focused on a specific type of personality, such as type D personality (distressed personality). Other studies investigated personality in FM patients referring to Cloninger’s model, a psychobiological model of personality that includes both temperamental and character dimensions of personality. Analyzing scientific literature on this subject seems well suited to provide a critical review of the latest studies and their results. Methods: The method used for this review satisfies the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA). We identified PsycInfo and PubMed as databases for our research. Results: Personality is studied under many aspects and a reference model is not always present. Many studies underline high levels of alexithymia and type D personality in FM patients but when depression is controlled, these results do not differ from those of healthy controls. Conclusion: Studies that use a comprehensive model of personality present a different theoretical approach and use alternatively the Big-Five model, Eysenck’s and Cloninger’s models. The use of a comprehensive model of personality and the control of psychopathological disorders, such as anxiety and depression, seem to be very relevant for a better understanding of a specific personality profile associated with fibromyalgia.
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Affiliation(s)
- Ciro Conversano
- Department of Surgical, Medical and Molecular Pathology, Critical and Care Medicine, University of Pisa, Pisa, Italy
| | - Laura Marchi
- Department of Surgical, Medical and Molecular Pathology, Critical and Care Medicine, University of Pisa, Pisa, Italy
| | - Ciacchini Rebecca
- Department of Surgical, Medical and Molecular Pathology, Critical and Care Medicine, University of Pisa, Pisa, Italy
| | - Claudia Carmassi
- Department of Clinical and Experimental Medicine, University of Pisa, via Roma 67, 56100 Pisa, Italy
| | | | - Laura Maria Bazzichi
- Department of Clinical and Experimental Medicine, Rheumatologic Clinic, University of Pisa, via Roma 67, 56100 Pisa, Italy
| | - Angelo Gemignani
- Department of Surgical, Medical and Molecular Pathology, Critical and Care Medicine, University of Pisa, Pisa, Italy
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31
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Knezevic NN, Tverdohleb T, Knezevic I, Candido KD. The Role of Genetic Polymorphisms in Chronic Pain Patients. Int J Mol Sci 2018; 19:E1707. [PMID: 29890676 PMCID: PMC6032204 DOI: 10.3390/ijms19061707] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/23/2018] [Accepted: 06/01/2018] [Indexed: 01/11/2023] Open
Abstract
It is estimated that the total annual financial cost for pain management in the U.S. exceeds 100 billion dollars. However, when indirect costs are included, such as functional disability and reduction in working hours, the cost can reach more than 300 billion dollars. In chronic pain patients, the role of pharmacogenetics is determined by genetic effects on various pain types, as well as the genetic effect on drug safety and efficacy. In this review article, we discuss genetic polymorphisms present in different types of chronic pain, such as fibromyalgia, low back pain, migraine, painful peripheral diabetic neuropathy and trigeminal neuralgia. Furthermore, we discuss the role of CYP450 enzymes involved in metabolism of drugs, which have been used for treatment of chronic pain (amitriptyline, duloxetine, opioids, etc.). We also discuss how pharmacogenetics can be applied towards improving drug efficacy, shortening the time required to achieve therapeutic outcomes, reducing risks of side effects, and reducing medical costs and reliance upon polypharmacy.
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Affiliation(s)
- Nebojsa Nick Knezevic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 W. Wellington Ave. Suite 4815, Chicago, IL 60657, USA.
- Department of Anesthesiology, College of Medicine, University of Illinois, Chicago, IL 60612, USA.
- Department of Surgery, College of Medicine, University of Illinois, Chicago, IL 60612, USA.
| | - Tatiana Tverdohleb
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 W. Wellington Ave. Suite 4815, Chicago, IL 60657, USA.
| | - Ivana Knezevic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 W. Wellington Ave. Suite 4815, Chicago, IL 60657, USA.
| | - Kenneth D Candido
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 W. Wellington Ave. Suite 4815, Chicago, IL 60657, USA.
- Department of Anesthesiology, College of Medicine, University of Illinois, Chicago, IL 60612, USA.
- Department of Surgery, College of Medicine, University of Illinois, Chicago, IL 60612, USA.
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Association of neuropathic-like pain characteristics with clinical and radiographic features in patients with ankylosing spondylitis. Clin Rheumatol 2018; 37:3077-3086. [PMID: 29713968 DOI: 10.1007/s10067-018-4125-z] [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: 03/14/2018] [Revised: 04/12/2018] [Accepted: 04/24/2018] [Indexed: 02/07/2023]
Abstract
Ankylosing spondylitis (AS) is a chronic, progressive, and inflammatory disorder and causes chronic back pain. It is not unusual for patients with AS to have symptoms similar to neuropathic pain. We aimed to investigate the neuropathic pain (NeP) component in patients with AS using the painDETECT questionnaire (PD-Q) and to assess the relation between NeP and the disease characteristics of AS. A single-center prospective study was performed, including 105 patients. Patients with AS completed three questionnaires: PD-Q, Beck Depression Inventory (BDI), and Euro Quality of Life (EQ-5D) questionnaires. Patients were classified into three groups according to the PD-Q scores: nociceptive pain (NoP) (score ≤ 12), mixed pain (MP) (score 13-18), and NeP pain (score ≥ 19). Fifteen patients (14.2%) were classified into the NeP group, 22 (21.0%) in the MP group, and 68 (64.8%) in the NoP group. The questionnaires and clinical and radiographic findings were analyzed. Patients with NeP and MP scored worse on the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI); BDI; modified Stoke Ankylosing Spondylitis Spine Score; pain-visual analog scale (VAS); and EQ-5L index and showed an increased prevalence of enthesitis and peripheral arthritis. There were no differences in objective inflammatory markers. PD-Q scores were positively correlated with pain-VAS, BASDAI, BDI, and inversely correlated with EQ-5D index. Age, BASDAI, presence of current enthesitis, and BDI score were independently associated with PD-Q scores. The findings showed that NeP component in AS was associated with age, high disease activity, presence of current enthesitis, and depression.
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