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Laufer VA, Glover TW, Wilson TE. Applications of advanced technologies for detecting genomic structural variation. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2023; 792:108475. [PMID: 37931775 PMCID: PMC10792551 DOI: 10.1016/j.mrrev.2023.108475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 09/07/2023] [Accepted: 11/02/2023] [Indexed: 11/08/2023]
Abstract
Chromosomal structural variation (SV) encompasses a heterogenous class of genetic variants that exerts strong influences on human health and disease. Despite their importance, many structural variants (SVs) have remained poorly characterized at even a basic level, a discrepancy predicated upon the technical limitations of prior genomic assays. However, recent advances in genomic technology can identify and localize SVs accurately, opening new questions regarding SV risk factors and their impacts in humans. Here, we first define and classify human SVs and their generative mechanisms, highlighting characteristics leveraged by various SV assays. We next examine the first-ever gapless assembly of the human genome and the technical process of assembling it, which required third-generation sequencing technologies to resolve structurally complex loci. The new portions of that "telomere-to-telomere" and subsequent pangenome assemblies highlight aspects of SV biology likely to develop in the near-term. We consider the strengths and limitations of the most promising new SV technologies and when they or longstanding approaches are best suited to meeting salient goals in the study of human SV in population-scale genomics research, clinical, and public health contexts. It is a watershed time in our understanding of human SV when new approaches are expected to fundamentally change genomic applications.
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Affiliation(s)
- Vincent A Laufer
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
| | - Thomas W Glover
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Department of Human Genetics, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
| | - Thomas E Wilson
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Department of Human Genetics, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
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Bulbena A, Rosado S, Cabaleiro M, Martinez M, Baeza-Velasco C, Martin LM, Batlle S, Bulbena-Cabré A. Validation of the neuroconnective endophenotype questionnaire (NEQ): a new clinical tool for medicine and psychiatry resulting from the contribution of Ehlers-Danlos syndrome. Front Med (Lausanne) 2023; 10:1039223. [PMID: 37234249 PMCID: PMC10206165 DOI: 10.3389/fmed.2023.1039223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 03/22/2023] [Indexed: 05/27/2023] Open
Abstract
Introduction The link between anxiety disorders and joint hypermobility syndrome (now under hypermobility spectrum disorders, which include hypermobile Ehlers-Danlos syndrome) has been widely replicated over the past 30 years and has grown beyond the initial nosological limits. To integrate clinical and research progress in this field, a new neuroconnective endophenotype (NE) and its corresponding instrument, the Neuroconnective Endophenotype Questionnaire (NEQ), have been developed. This new clinical construct, created with the active participation of patients, includes both somatic and psychological dimensions and symptoms and resilience items. Methods The NE includes five dimensions: (1) sensorial sensitivity, (2) body signs and symptoms, (3) somatic conditions, (4) polar behavioral strategies, and (5) psychological and psychopathological dimensions. The NEQ information is collected through four self-administered questionnaires (sensorial sensitivity, body signs and symptoms, polar behavioral strategies, and psychological characteristics) and a structured diagnostic part that should be completed by a trained observer. This hetero-administered part incorporates (a) psychiatric diagnoses (using structured criteria, e.g., MINI), (b) somatic disorders diagnosis, using structured criteria, and (c) assessment of joint hypermobility criteria. Results In a sample of 36 anxiety cases with 36 matched controls, the NEQ obtained high scores for test-retest, inter-rater reliability, and internal consistency. As for predictive validity, cases and controls significantly differed in all five dimensions and hypermobility measurements. Discussion We can conclude that the NEQ has achieved acceptable reliability and validity values and, therefore, is ready to be used and tested in different samples. This original and consistent construct including somatic and mental items may improve clinical specificity, the search for more comprehensive therapies, and their genetic and neuroimaging bases.
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Affiliation(s)
- Antonio Bulbena
- Department of Psychiatry and Forensic Medicine, Universitat Autonoma Barcelona, Barcelona, Spain
- Anxiety Unit, Hospital del Mar, Institute Neuropsychiatry and Addictions (INAD) CIBERSAM, Barcelona, Spain
| | - Silvia Rosado
- Anxiety Unit, Hospital del Mar, Institute Neuropsychiatry and Addictions (INAD) CIBERSAM, Barcelona, Spain
- Doctorate Program in Psychiatry, Department of Psychiatry and Forensic Medicine, Universitat Autonoma Barcelona, Barcelona, Spain
| | - Marina Cabaleiro
- Department of Psychiatry and Forensic Medicine, Universitat Autonoma Barcelona, Barcelona, Spain
- Anxiety Unit, Hospital del Mar, Institute Neuropsychiatry and Addictions (INAD) CIBERSAM, Barcelona, Spain
| | - María Martinez
- Department of Psychiatry and Forensic Medicine, Universitat Autonoma Barcelona, Barcelona, Spain
- Anxiety Unit, Hospital del Mar, Institute Neuropsychiatry and Addictions (INAD) CIBERSAM, Barcelona, Spain
| | - Carolina Baeza-Velasco
- Laboratoire de Psychopathologie et Processus de Santé, Université Paris Cité, Paris, France
- Department of Emergency Psychiatry and Acute Care, CHU Montpellier, Montpellier, France
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
| | - Luis-Miguel Martin
- Anxiety Unit, Hospital del Mar, Institute Neuropsychiatry and Addictions (INAD) CIBERSAM, Barcelona, Spain
| | - Santiago Batlle
- Anxiety Unit, Hospital del Mar, Institute Neuropsychiatry and Addictions (INAD) CIBERSAM, Barcelona, Spain
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Bharadhwaj VS, Mubeen S, Sargsyan A, Jose GM, Geissler S, Hofmann-Apitius M, Domingo-Fernández D, Kodamullil AT. Integrative analysis to identify shared mechanisms between schizophrenia and bipolar disorder and their comorbidities. Prog Neuropsychopharmacol Biol Psychiatry 2023; 122:110688. [PMID: 36462601 DOI: 10.1016/j.pnpbp.2022.110688] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 11/04/2022] [Accepted: 11/27/2022] [Indexed: 12/04/2022]
Abstract
Schizophrenia and bipolar disorder are characterized by highly similar neuropsychological signatures, implying shared neurobiological mechanisms between these two disorders. These disorders also have comorbidities, such as type 2 diabetes mellitus (T2DM). To date, an understanding of the mechanisms that mediate the link between these two disorders remains incomplete. In this work, we identify and investigate shared patterns across multiple schizophrenia, bipolar disorder and T2DM gene expression datasets through multiple strategies. Firstly, we investigate dysregulation patterns at the gene-level and compare our findings against disease-specific knowledge graphs (KGs). Secondly, we analyze the concordance of co-expression patterns across datasets to identify disease-specific as well as common pathways. Thirdly, we examine enriched pathways across datasets and disorders to identify common biological mechanisms between them. Lastly, we investigate the correspondence of shared genetic variants between these two disorders and T2DM as well as the disease-specific KGs. In conclusion, our work reveals several shared candidate genes and pathways, particularly those related to the immune system, such as TNF signaling pathway, IL-17 signaling pathway and NF-kappa B signaling pathway and nervous system, such as dopaminergic synapse and GABAergic synapse, which we propose mediate the link between schizophrenia and bipolar disorder and its shared comorbidity, T2DM.
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Affiliation(s)
- Vinay Srinivas Bharadhwaj
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing, Sankt Augustin 53757, Germany; Bonn-Aachen International Center for Information Technology (B-IT), University of Bonn, 53115 Bonn, Germany.
| | - Sarah Mubeen
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing, Sankt Augustin 53757, Germany; Bonn-Aachen International Center for Information Technology (B-IT), University of Bonn, 53115 Bonn, Germany; Fraunhofer Center for Machine Learning, Germany
| | - Astghik Sargsyan
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing, Sankt Augustin 53757, Germany
| | - Geena Mariya Jose
- Causality Biomodels, Kinfra Hi-Tech Park, Kalamassery, Cochin, Kerala 683503, India
| | | | - Martin Hofmann-Apitius
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing, Sankt Augustin 53757, Germany; Bonn-Aachen International Center for Information Technology (B-IT), University of Bonn, 53115 Bonn, Germany
| | - Daniel Domingo-Fernández
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing, Sankt Augustin 53757, Germany; Fraunhofer Center for Machine Learning, Germany; Enveda Biosciences, Boulder, CO, 80301, USA
| | - Alpha Tom Kodamullil
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing, Sankt Augustin 53757, Germany; Bonn-Aachen International Center for Information Technology (B-IT), University of Bonn, 53115 Bonn, Germany; Causality Biomodels, Kinfra Hi-Tech Park, Kalamassery, Cochin, Kerala 683503, India
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Choudhary A, Fikree A, Aziz Q. Overlap between irritable bowel syndrome and hypermobile Ehlers-Danlos syndrome: An unexplored clinical phenotype? AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2021; 187:561-569. [PMID: 34741491 DOI: 10.1002/ajmg.c.31938] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/18/2021] [Accepted: 10/22/2021] [Indexed: 12/11/2022]
Abstract
Irritable bowel syndrome (IBS) is common, but its cause remains unknown. IBS patients present with gastrointestinal (GI) symptoms such as abdominal pain with altered bowel habits; however, some patients also have non-GI symptoms including muscle and joint pains. It is thus plausible that within large IBS cohorts, subgroups exist with distinct clinical phenotypes. Yet, these subgroups have not been clearly identified or characterized. Due to lack of segmentation, treatment-focused symptomatic management is similar for all with IBS and follows indiscriminate algorithms regardless of possible differing clinical phenotype. This universal approach to IBS management may account for the reported lack of efficacy of treatment. One emerging subgroup receiving increasing attention is that with overlap IBS and the underlying heritable connective tissue disorder, hypermobile Ehlers-Danlos syndrome (hEDS). Current evidence suggests that up to 62% of patients with hEDS suffer from IBS. However, despite recognition of the presence of IBS in hEDS, this overlap IBS/hEDS group has not been characterized and these patients are managed in a similar way to those with IBS alone. Future studies are required to characterize and deep phenotype in this overlap IBS/hEDS group.
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Affiliation(s)
- Anisa Choudhary
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Asma Fikree
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Qasim Aziz
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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Bulbena-Cabre A, Duñó L, Almeda S, Batlle S, Camprodon-Rosanas E, Martín-Lopez LM, Bulbena A. Joint hypermobility is a marker for anxiety in children. REVISTA DE PSIQUIATRIA Y SALUD MENTAL 2019; 12:68-76. [PMID: 30926372 DOI: 10.1016/j.rpsm.2019.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/12/2018] [Accepted: 01/09/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Joint hypermobility syndrome (JHS) has been found to be associated with anxiety disorders in clinical and nonclinical populations, but to date no studies have evaluated this association in children. The main goal of this study is to evaluate JHS along with anxiety, somatic and behavioral measures in children to clarify if JHS is associated with any of these variables in this age range. METHODS A sample of 160 children (74 girls and 86 boys) ranging from 5 to 17 o were recruited from a Child-Adolescent Mental Health clinic to participate in the study. All children underwent a diagnostic interview using the Mini International Neuropsychiatric Interview for Children and Adolescents. Instruments used include the Child Behavior Checklist (CBCL), the Screening Questionnaire to detect Hypermobility (SQ-CH) and the Children Manifested Anxiety Scale (CMAS-R). RESULTS The prevalence of JHS in this sample was 22%, and this was significantly higher in girls (31%) than in boys (14%) (χ2=6.83; P=.001). The JHS group scored significantly higher in the CMAS-R total anxiety (F=4.51; P=.035), CMAS-R Physiological anxiety (F=7.19; P=.008) and the CBCL somatic complaints (F=8.46; 0.004) and regression analyses showed that these 3 variables were predictors of JHS (χ2=36.77; P<.001; r2=0.22). The JHS group also scored higher in some behavioral measures. CONCLUSION Children with JHS have higher frequency of anxiety disorders and higher intensity of physiological anxiety, somatic complaints, and therefore, JHS might be used as marker for this anxiety phenotype in youngsters.
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Affiliation(s)
- Andrea Bulbena-Cabre
- Universidad Autónoma de Barcelona, Departamento de Psiquiatría y Medicina Forense (UAB), España; Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, EE. UU.; Department of Psychiatry, New York Medical College, Nueva York, EE. UU.
| | - Lourdes Duñó
- Mar Health Park, Instituto de Neuropsiquiatría y Adicciones (INAD), Barcelona, España
| | - Sara Almeda
- Mar Health Park, Instituto de Neuropsiquiatría y Adicciones (INAD), Barcelona, España
| | - Santiago Batlle
- Mar Health Park, Instituto de Neuropsiquiatría y Adicciones (INAD), Barcelona, España
| | - Ester Camprodon-Rosanas
- Children and Adolescent Mental Health Research Group. Institut de Recerca Sant Joan de Déu Child and Adolescent Psychiatry and Psychology Department of Hospital Sant Joan de Déu of Barcelona, Spain
| | - Luis Miguel Martín-Lopez
- Universidad Autónoma de Barcelona, Departamento de Psiquiatría y Medicina Forense (UAB), España; Mar Health Park, Instituto de Neuropsiquiatría y Adicciones (INAD), Barcelona, España; Centro de Investigación en red de Salud Mental (CIBERSAM), España
| | - Antonio Bulbena
- Universidad Autónoma de Barcelona, Departamento de Psiquiatría y Medicina Forense (UAB), España; Mar Health Park, Instituto de Neuropsiquiatría y Adicciones (INAD), Barcelona, España; Centro de Investigación en red de Salud Mental (CIBERSAM), España
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Baeza-Velasco C, Bourdon C, Montalescot L, de Cazotte C, Pailhez G, Bulbena A, Hamonet C. Low- and high-anxious hypermobile Ehlers-Danlos syndrome patients: comparison of psychosocial and health variables. Rheumatol Int 2018; 38:871-878. [PMID: 29497845 DOI: 10.1007/s00296-018-4003-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 02/26/2018] [Indexed: 12/19/2022]
Abstract
Despite the frequent co-ocurrence of hypermobile Ehler-Danlos syndrome (hEDS) and pathological anxiety, little is known about the psychosocial and health implications of such comorbidity. Our aim was to explore the association between high levels of anxiety and psychosocial (catastrophizing, kinesiophobia, somatosensory amplification, social support and functioning), health (pain, fatigue, BMI, tobacco/alcohol use, depression, diagnosis delay, general health), and sociodemographic factors in people with hEDS. In this cross-sectional study, 80 hEDS patients were divided into two groups according to self-reported anxiety levels: low and high. Psychosocial, sociodemographic and health variables were compared between the groups. Forty-one participants reported a high level of anxiety (51.2%). No differences were found in the sociodemographic variables between high-anxious and low-anxious patients. The percentage of participants with severe fatigue and high depressive symptomatology was significantly higher in the high-anxious group (80.5 vs 56.4; 26.8 vs 12.8%, respectively). High-anxious hEDS patients also showed significantly higher levels of pain catastrophizing, somatosensory amplification as well as a poorer social functioning and general health. Multivariate analyses showed that somatosensory amplification, pain catastrophizing and poor social functioning are variables that increase the probability of belonging to the high-anxious group. Despite limitations, this first study comparing high-anxious versus low-anxious hEDS patients with respect to health aspects, highlight the importance of considering the psychosocial factors (many susceptible to modification), to improve the adjustment to this chronic condition and provide support to those affected through a biopsychosocial approach.
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Affiliation(s)
- Carolina Baeza-Velasco
- Laboratory of Psychopathology and Health Processes, Institut de Psychologie, University Paris Descartes-Sorbonne Paris Cité, 71 Avenue Édouard Vaillant, 92100, Boulogne-Billancourt, France. .,INSERM U1061, Neuropsychiatry: Epidemiological and Clinical Research, Department of Emergency Psychiatry and Acute Care, CHU Montpellier, Montpellier, France.
| | | | - Lucile Montalescot
- Laboratory of Psychopathology and Health Processes, Institut de Psychologie, University Paris Descartes-Sorbonne Paris Cité, 71 Avenue Édouard Vaillant, 92100, Boulogne-Billancourt, France
| | - Cécile de Cazotte
- Laboratory of Psychopathology and Health Processes, Institut de Psychologie, University Paris Descartes-Sorbonne Paris Cité, 71 Avenue Édouard Vaillant, 92100, Boulogne-Billancourt, France
| | - Guillem Pailhez
- Department of Psychiatry, Autonoma University of Barcelona, Barcelona, Spain
| | - Antonio Bulbena
- Department of Psychiatry, Autonoma University of Barcelona, Barcelona, Spain
| | - Claude Hamonet
- Department of Physical Medicine and Rehabilitation, Hôtel-Dieu Hospital, Paris, France.,University Paris-Est Créteil, Créteil, France
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Baeza-Velasco C, Bulbena A, Polanco-Carrasco R, Jaussaud R. Cognitive, emotional, and behavioral considerations for chronic pain management in the Ehlers–Danlos syndrome hypermobility-type: a narrative review. Disabil Rehabil 2018; 41:1110-1118. [DOI: 10.1080/09638288.2017.1419294] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Carolina Baeza-Velasco
- Laboratory of Psychopathology and Health Processes, University Paris Descartes - Sorbonne Paris Cité, Boulogne Billancourt, France
- Inserm U1061, La Colombière Hospital, Montpellier, France
| | - Antonio Bulbena
- Department of Psychiatry, Autonoma University of Barcelona, Barcelona, Spain
| | | | - Roland Jaussaud
- Department of Internal Medicine and Clinical Immunology, Medicine School, University of Lorraine, CHRU Nancy, Nancy, France
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Bulbena-Cabré A, Rojo C, Pailhez G, Buron Maso E, Martín-Lopez LM, Bulbena A. Joint hypermobility is also associated with anxiety disorders in the elderly population. Int J Geriatr Psychiatry 2018; 33:e113-e119. [PMID: 28543732 DOI: 10.1002/gps.4733] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 04/05/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND Anxiety disorders (AD) are very prevalent in the elderly, tend to compromise quality of life, and generate substantial costs. Considering that the prevention and early detection of anxiety may be relevant to increase health gains in older adults, it would be of great interest to identify whether the joint hypermobility syndrome (JHS) is also related to anxiety disorders in this age range. METHODS Cross-sectional data was collected in a sample of 108 subjects in a rural town in Spain. Instruments included Spielberger STAI, a modified Wolpe Fear Survey Schedule, General health Questionnaire (GHQ)-28, and the anxiety and mood disorders section of the SCID, to assess past year prevalence of anxiety disorders. JHS was evaluated by trained examiners using the "Hospital del Mar criteria". RESULTS Among the 108 subjects (55% women, 45% men) over 60 years old, 21.3% meet criteria for JHS. These subjects scored significantly higher in both State (F = 5.53; p = 0.02) and Trait (F = 4.68; p = 0.03) anxiety and the GHQ 28 (F = 6.29; p = 0.01). Compared with non JHS subjects, they had more AD (34.8% vs. 11.8%; x2 = 6.90; p = 0.02) and mood disorders (30.4% vs. 10.6%; x2 = 5.65; p = 0.041) in the past year prevalence. A multiple logistic regression analysis showed that both JHS (β = 0.196; p = 0.04) and fears (β = 0.34; p = 0.001) are predictors of AD (r2 = 188; p = 0.001) in this population. CONCLUSIONS Joint hypermobility syndrome is associated with anxiety in the elderly population, and it may be used as a physical marker for AD among subjects within this age range. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Andrea Bulbena-Cabré
- Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, Spain.,Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,VA Bronx Health Care System, Mental Illness Research Education and Clinical Centers, New York, NY, USA.,Doctorate Program, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Conxita Rojo
- Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, Spain
| | - Guillem Pailhez
- Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, Spain.,Mar Health Park, Neuropsychiatry and Drug Addiction Institute (INAD), Barcelona, Spain
| | - Emma Buron Maso
- Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, Spain.,Doctorate Program, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Luis Miguel Martín-Lopez
- Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, Spain.,Mar Health Park, Neuropsychiatry and Drug Addiction Institute (INAD), Barcelona, Spain.,Centro de Investigación en red de Salud Mental, (CIBERSAM), Spain
| | - Antonio Bulbena
- Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, Spain.,Mar Health Park, Neuropsychiatry and Drug Addiction Institute (INAD), Barcelona, Spain.,Centro de Investigación en red de Salud Mental, (CIBERSAM), Spain
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Body perception in a sample of nonclinical youngsters with joint hypermobility. ANSIEDAD Y ESTRES-ANXIETY AND STRESS 2017. [DOI: 10.1016/j.anyes.2017.07.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Comorbidity in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis: A Nationwide Population-Based Cohort Study. PSYCHOSOMATICS 2017; 58:533-543. [PMID: 28596045 DOI: 10.1016/j.psym.2017.04.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 01/25/2023]
Abstract
BACKGROUND Previous studies have shown evidence of comorbid conditions in chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME). OBJECTIVE To estimate the prevalence of comorbidities and assess their associations using a nationwide population-based database of a Spanish CFS/ME cohort. METHOD A nationally representative, retrospective, cross-sectional cohort study (2008-2015) assessed 1757 Spanish subjects who met both the 1994 Centers for Disease Control and Prevention/Fukuda definition and 2003 Canadian Criteria for CFS/ME. Sociodemographic and clinical data, comorbidities, and patient-reported outcome measures at baseline were recorded. A cluster analysis based on baseline clinical variables was performed to classify patients with CFS/ME into 5 categories according to comorbidities. A multivariate logistic regression analysis was conducted adjusting for potential confounding effects such as age and sex; response and categorical predictor variables were also assessed. RESULTS A total of 1757 CFS/ME patients completed surveys were collected. We identified 5 CFS/ME clusters: group 1-fibromyalgia, myofascial pain, multiple chemical hypersensitivity, sicca syndrome, epicondylitis, and thyroiditis; group 2-alterations of ligaments and subcutaneous tissue, hypovitaminosis D, psychopathology, ligamentous hyperlaxity, and endometriosis. These 2 subgroups comprised mainly older women, with low educational level, unemployment, high levels of fatigue, and poor quality of life; group 3-with hardly any comorbidities, comprising mainly younger women, university students or those already employed, with lower levels of fatigue, and better quality of life; group 4-poorly defined comorbidities; and group 5-hypercholesterolemia. CONCLUSION Over 80% of a large population-based cohort of Spanish patients with CFS/ME presented comorbidities. Among the 5 subgroups created, the most interesting were groups 1-3. Future research should consider multidisciplinary approaches for the management and treatment of CFS/ME with comorbid conditions.
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Bulbena A, Baeza-Velasco C, Bulbena-Cabré A, Pailhez G, Critchley H, Chopra P, Mallorquí-Bagué N, Frank C, Porges S. Psychiatric and psychological aspects in the Ehlers-Danlos syndromes. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2017; 175:237-245. [PMID: 28186381 DOI: 10.1002/ajmg.c.31544] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
There is increasing amount of evidence pointing toward a high prevalence of psychiatric conditions among individuals with hypermobile type of Ehlers-Danlos syndrome (JHS/hEDS). A literature review confirms a strong association between anxiety disorders and JHSh/hEDS, and there is also limited but growing evidence that JHSh/hEDS is also associated with depression, eating, and neuro-developmental disorders as well as alcohol and tobacco misuse. The underlying mechanisms behind this association include genetic risks, autonomic nervous system dysfunction, increased exteroceptive and interoceptive mechanisms and decreased proprioception. Recent neuroimaging studies have also shown an increase response in emotion processing brain areas which could explain the high affective reactivity seen in JHS/hEDS. Management of these patients should include psychiatric and psychological approaches, not only to relieve the clinical conditions but also to improve abilities to cope through proper drug treatment, psychotherapy, and psychological rehabilitation adequately coupled with modern physiotherapy. A multidimensional approach to this "neuroconnective phenotype" should be implemented to ensure proper assessment and to guide for more specific treatments. Future lines of research should further explore the full dimension of the psychopathology associated with JHS/hEDS to define the nature of the relationship. © 2017 Wiley Periodicals, Inc.
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Zhou Z, Ni D. Impairment of Working Memory, Decision-making, and Executive Function in the First-Degree Relatives of People with Panic Disorder: A Pilot Study. Front Psychiatry 2017; 8:219. [PMID: 29163238 PMCID: PMC5675850 DOI: 10.3389/fpsyt.2017.00219] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 10/20/2017] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Panic disorder (PD) patients present impairments of working memory, decision-making, and executive function. However, whether the first-degree relatives (FDRs) of people with PD present abnormal characteristics, including clinical and neuropsychological aspects, in comparison to the general population, has not been studied. Investigation and understanding of the abnormal neuropsychological characteristics of the FDRs of people with PD will contribute to the prevention and treatment of PD. OBJECTIVE The purpose of this paper is to compare the working memory, decision-making, and executive function among people with PD, their FDRs, and controls. MATERIALS AND METHODS Neuropsychological functions of 30 people with PD, 30 FDRs of people with PD, and 30 controls were measured with a digit span task, Iowa Gambling Task (IGT), and Wisconsin Card Sorting Test (WCST). RESULTS Perseverative errors, failure to maintain set scores, and number of cards chosen from decks A, B, C, and D were higher for People with PD and their FDRs than those of controls. Furthermore, error rates for these tests were higher for people with PD than their FDRs. Forward scores and backward scores, percentage of conceptual level responses, the number of categories completed, choices from advantageous minus disadvantageous decks, and mean amount of money earned of people with PD and their FDRs were all lower than those of controls. Scores for these tests were also lower for people with PD than for their FDRs. CONCLUSION People with PD as well as their FDRs present different degrees of impairments of working memory, decision-making, and executive function. Impaired performance on three tasks appears to be associated with the diathesis for PD and may be a valuable indicator of susceptibility for this disorder.
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Affiliation(s)
- Zhenhe Zhou
- Department of Psychiatry, Wuxi Mental Health Center of Nanjing Medical University, Wuxi, China
| | - Dongjie Ni
- Grade 2013 Class 3, Basic Medicine College of Liaoning Medical University, Jinzhou, China
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Baeza-Velasco C, Grahame R, Bravo JF. A connective tissue disorder may underlie ESSENCE problems in childhood. RESEARCH IN DEVELOPMENTAL DISABILITIES 2017; 60:232-242. [PMID: 27802895 DOI: 10.1016/j.ridd.2016.10.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 10/24/2016] [Accepted: 10/25/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Ehlers-Danlos syndrome hypermobility type, also known as Joint Hypermobility Syndrome (EDS-HT/JHS), is the most common hereditary disorder of the connective tissue (HDCT). It is characterized by tissue fragility, joint hypermobility and a wide range of articular and non-articular manifestations, which often appear in infancy. The clinical picture of EDS-HT/JHS is poorly known by the medical community, as is the presence of "ESSENCE" (Early Symptomatic Syndromes Eliciting Neurodevelopmental Clinical Examinations) problems in affected children. AIM The present work reviews the clinical and empirical evidence for ESSENCE difficulties in children with EDS-HT/JHS. METHOD A narrative review of the literature was undertaken following a comprehensive search of scientific online databases and reference lists. This included publications of quantitative and qualitative research. RESULTS Motor abnormality, hyperactivity/hypoactivity, inattention, speech/language, social interaction, behavioral, sleep, feeding and emotional problems are ESSENCE difficulties for which there is some evidence of an association with EDS-HT/JHS. CONCLUSION Children with EDS-HT/JHS present ESSENCE problems that often coexist and tend to be recognized before the HDCT. Clinicians encountering children with ESSENCE problems should consider the possibility of an underlying HDCT such as EDS-HT/JHS, probably influencing neurodevelopmental attributes in a subgroup of children. Awareness of these interconnected clinical problems might help improve early referral, diagnosis and treatment of EDS-HT/JHS.
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Affiliation(s)
- Carolina Baeza-Velasco
- Department of Psychology, Laboratory of Psychopathology and Health Process, University Paris Descartes - Sorbonne Paris Cité, Boulogne-Billancourt, France.
| | - Rodney Grahame
- Division of Medicine, University College London, London, UK
| | - Jaime F Bravo
- Medical School, University of Chile, Santiago, Chile; Rheumatology Unit, San Juan de Dios Hospital, Santiago, Chile
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D'Amico D, Gener T, de Lagrán MM, Sanchez-Vives MV, Santos M, Dierssen M. Infralimbic Neurotrophin-3 Infusion Rescues Fear Extinction Impairment in a Mouse Model of Pathological Fear. Neuropsychopharmacology 2017; 42:462-472. [PMID: 27534266 PMCID: PMC5399232 DOI: 10.1038/npp.2016.154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 08/05/2016] [Accepted: 08/07/2016] [Indexed: 11/09/2022]
Abstract
The inability to properly extinguish fear memories constitutes the foundation of several anxiety disorders, including panic disorder. Recent findings show that boosting prefrontal cortex synaptic plasticity potentiates fear extinction, suggesting that therapies that augment synaptic plasticity could prove useful in rescue of fear extinction impairments in this group of disorders. Previously, we reported that mice with selective deregulation of neurotrophic tyrosine kinase receptor, type 3 expression (TgNTRK3) exhibit increased fear memories accompanied by impaired extinction, congruent with an altered activation pattern of the amygdala-hippocampus-medial prefrontal cortex fear circuit. Here we explore the specific role of neurotrophin 3 and its cognate receptor in the medial prefrontal cortex, and its involvement in fear extinction in a pathological context. In this study we combined molecular, behavioral, in vivo pharmacology and ex vivo electrophysiological recordings in TgNTRK3 animals during contextual fear extinction processes. We show that neurotrophin 3 protein levels are increased upon contextual fear extinction in wild-type animals but not in TgNTRK3 mice, which present deficits in infralimbic long-term potentiation. Importantly, infusion of neurotrophin 3 to the medial prefrontal cortex of TgNTRK3 mice rescues contextual fear extinction and ex vivo local application improves medial prefrontal cortex synaptic plasticity. This effect is blocked by inhibition of extracellular signal-regulated kinase phosphorylation through peripheral administration of SL327, suggesting that rescue occurs via this pathway. Our results suggest that stimulating neurotrophin 3-dependent medial prefrontal cortex plasticity could restore contextual fear extinction deficit in pathological fear and could constitute an effective treatment for fear-related disorders.
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Affiliation(s)
- Davide D'Amico
- Systems Biology Programme, Centre for Genomic Regulation (CRG)/Barcelona Biomedical Research Park, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain,Barcelona Institute for Science and Technology (BIST), Barcelona, Spain
| | - Thomas Gener
- Systems Biology Programme, Centre for Genomic Regulation (CRG)/Barcelona Biomedical Research Park, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain,Barcelona Institute for Science and Technology (BIST), Barcelona, Spain
| | - Maria Martínez de Lagrán
- Systems Biology Programme, Centre for Genomic Regulation (CRG)/Barcelona Biomedical Research Park, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain,Barcelona Institute for Science and Technology (BIST), Barcelona, Spain
| | - Maria V Sanchez-Vives
- Systems Neuroscience, IDIBAPS (Institut d'Investigacions Biomèdiques August Pi i Sunyer), Barcelona, Spain,Life & Medical Sciences, ICREA (Instituciò Catalana de Recerca i Estudis Avançats), Barcelona, Spain
| | - Mónica Santos
- Systems Biology Programme, Centre for Genomic Regulation (CRG)/Barcelona Biomedical Research Park, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain
| | - Mara Dierssen
- Systems Biology Programme, Centre for Genomic Regulation (CRG)/Barcelona Biomedical Research Park, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain,Barcelona Institute for Science and Technology (BIST), Barcelona, Spain,Systems Biology Programme, Center for Genomic Regulation, (CRG)/Barcelona Biomedical Research Park, C/ Dr Aiguader 88, Barcelona 08003, Spain, Tel: +34 933160140, Fax +34 93 316 00 99, E-mail:
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Naito Y, Lee AK, Takahashi H. Emerging roles of the neurotrophin receptor TrkC in synapse organization. Neurosci Res 2016; 116:10-17. [PMID: 27697534 DOI: 10.1016/j.neures.2016.09.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 09/18/2016] [Accepted: 09/20/2016] [Indexed: 10/20/2022]
Abstract
Tropomyosin-receptor-kinase (Trk) receptors have been extensively studied for their roles in kinase-dependent signaling cascades in nervous system development. Synapse organization is coordinated by trans-synaptic interactions of various cell adhesion proteins, a representative example of which is the neurexin-neuroligin complex. Recently, a novel role for TrkC as a synapse organizing protein has been established. Post-synaptic TrkC binds to pre-synaptic type-IIa receptor-type protein tyrosine phosphatase sigma (PTPσ). TrkC-PTPσ specifically induces excitatory synapses in a kinase domain-independent manner. TrkC has distinct extracellular domains for PTPσ- and NT-3-binding and thus may bind both ligands simultaneously. Indeed, NT-3 enhances the TrkC-PTPσ interaction, thus facilitating synapse induction at the pre-synaptic side and increasing pre-synaptic vesicle recycling in a kinase-independent fashion. A crystal structure study has revealed the detailed structure of the TrkC-PTPσ complex as well as competitive modulation of TrkC-mediated synaptogenesis by heparan sulfate proteoglycans (HSPGs), which bind the same domain of TrkC as PTPσ. Thus, there is strong evidence supporting a role for the TrkC-PTPσ complex in mechanisms underlying the fine turning of neural connectivity. Furthermore, disruption of the TrkC-PTPσ complex may be the underlying cause of certain psychiatric disorders caused by mutations in the gene encoding TrkC (NTRK3), supporting its role in cognitive functions.
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Affiliation(s)
- Yusuke Naito
- Synapse Development and Plasticity, Institut de Recherches Cliniques de Montréal (IRCM), Montreal, Quebec H2W 1R7, Canada; Integrated Program in Neuroscience, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Alfred Kihoon Lee
- Synapse Development and Plasticity, Institut de Recherches Cliniques de Montréal (IRCM), Montreal, Quebec H2W 1R7, Canada; Integrated Program in Neuroscience, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Hideto Takahashi
- Synapse Development and Plasticity, Institut de Recherches Cliniques de Montréal (IRCM), Montreal, Quebec H2W 1R7, Canada; Integrated Program in Neuroscience, McGill University, Montreal, Quebec H3A 2B4, Canada; Department of Medicine, Université de Montréal, Montreal, Quebec H3T 1J4, Canada; Division of Experimental Medicine, McGill University, Montreal, Quebec H3A 1A3, Canada.
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Hershenfeld SA, Wasim S, McNiven V, Parikh M, Majewski P, Faghfoury H, So J. Psychiatric disorders in Ehlers–Danlos syndrome are frequent, diverse and strongly associated with pain. Rheumatol Int 2015; 36:341-8. [DOI: 10.1007/s00296-015-3375-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 09/25/2015] [Indexed: 12/21/2022]
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Andrews JL, Fernandez-Enright F. A decade from discovery to therapy: Lingo-1, the dark horse in neurological and psychiatric disorders. Neurosci Biobehav Rev 2015; 56:97-114. [PMID: 26143511 DOI: 10.1016/j.neubiorev.2015.06.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 05/15/2015] [Accepted: 06/02/2015] [Indexed: 01/19/2023]
Abstract
Leucine-rich repeat and immunoglobulin domain-containing protein (Lingo-1) is a potent negative regulator of neuron and oligodendrocyte survival, neurite extension, axon regeneration, oligodendrocyte differentiation, axonal myelination and functional recovery; all processes highly implicated in numerous brain-related functions. Although playing a major role in developmental brain functions, the potential application of Lingo-1 as a therapeutic target for the treatment of neurological disorders has so far been under-estimated. A number of preclinical studies have shown that various methods of antagonizing Lingo-1 results in neuronal and oligodendroglial survival, axonal growth and remyelination; however to date literature has only detailed applications of Lingo-1 targeted therapeutics with a focus primarily on myelination disorders such as multiple sclerosis and spinal cord injury; omitting important information regarding Lingo-1 signaling co-factors. Here, we provide for the first time a complete and thorough review of the implications of Lingo-1 signaling in a wide range of neurological and psychiatric disorders, and critically examine its potential as a novel therapeutic target for these disorders.
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Affiliation(s)
- Jessica L Andrews
- Faculty of Science, Medicine and Health, University of Wollongong, Wollongong 2522, NSW, Australia; Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong 2522, NSW, Australia; Schizophrenia Research Institute, 405 Liverpool St, Darlinghurst 2010, NSW, Australia.
| | - Francesca Fernandez-Enright
- Faculty of Science, Medicine and Health, University of Wollongong, Wollongong 2522, NSW, Australia; Faculty of Social Sciences, University of Wollongong, Wollongong 2522, NSW, Australia; Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong 2522, NSW, Australia; Schizophrenia Research Institute, 405 Liverpool St, Darlinghurst 2010, NSW, Australia.
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Sinibaldi L, Ursini G, Castori M. Psychopathological manifestations of joint hypermobility and joint hypermobility syndrome/ Ehlers-Danlos syndrome, hypermobility type:The link between connective tissue and psychological distress revised. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2015; 169C:97-106. [DOI: 10.1002/ajmg.c.31430] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Santos M, D'Amico D, Dierssen M. From neural to genetic substrates of panic disorder: Insights from human and mouse studies. Eur J Pharmacol 2015; 759:127-41. [PMID: 25818748 DOI: 10.1016/j.ejphar.2015.03.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2015] [Revised: 01/15/2015] [Accepted: 03/12/2015] [Indexed: 01/30/2023]
Abstract
Fear is an ancestral emotion, an intrinsic defensive response present in every organism. Although fear is an evolutionarily advantageous emotion, under certain pathologies such as panic disorder it might become exaggerated and non-adaptive. Clinical and preclinical work pinpoints that changes in cognitive processes, such as perception and interpretation of environmental stimuli that rely on brain regions responsible for high-level function, are essential for the development of fear-related disorders. This review focuses on the involvement of cognitive function to fear circuitry disorders. Moreover, we address how animal models are contributing to understand the involvement of human candidate genes to pathological fear and helping achieve progress in this field. Multidisciplinary approaches that integrate human genetic findings with state of the art genetic mouse models will allow to elucidate the mechanisms underlying pathology and to develop new strategies for therapeutic targeting.
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Affiliation(s)
- Mónica Santos
- Cellular & Systems Neurobiology, Systems Biology Program, Center for Genomic Regulation (CRG), E-08003 Barcelona, Spain; Universitat Pompeu Fabra (UPF), E-08003 Barcelona, Spain; CIBER de Enfermedades Raras (CIBERER), E-08003 Barcelona, Spain; Institute of Biology, Otto-von-Guericke University, 39120 Magdeburg, Germany.
| | - Davide D'Amico
- Cellular & Systems Neurobiology, Systems Biology Program, Center for Genomic Regulation (CRG), E-08003 Barcelona, Spain; Universitat Pompeu Fabra (UPF), E-08003 Barcelona, Spain; CIBER de Enfermedades Raras (CIBERER), E-08003 Barcelona, Spain; ZeClinics SL, E-08001 Barcelona, Spain.
| | - Mara Dierssen
- Cellular & Systems Neurobiology, Systems Biology Program, Center for Genomic Regulation (CRG), E-08003 Barcelona, Spain; Universitat Pompeu Fabra (UPF), E-08003 Barcelona, Spain; CIBER de Enfermedades Raras (CIBERER), E-08003 Barcelona, Spain.
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Baeza-Velasco C, Pailhez G, Bulbena A, Baghdadli A. Joint hypermobility and the heritable disorders of connective tissue: clinical and empirical evidence of links with psychiatry. Gen Hosp Psychiatry 2015; 37:24-30. [PMID: 25459977 DOI: 10.1016/j.genhosppsych.2014.10.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Revised: 09/14/2014] [Accepted: 10/07/2014] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The heritable disorders of connective tissue (HDCTs) are a group of genetic disorders affecting connective tissue matrix proteins. Fragility, laxity of tissues and joint hypermobility (JH) are commons features of HDCT for which the prognosis may range from benign to life threatening. JH and HDCTs, especially joint hypermobility syndrome, Ehlers-Danlos syndromes and Marfan syndrome, have been associated with psychiatric symptomatology. We explored the existing knowledge concerning this association in order to provide an overview of mental disorders linked to JH/HDCT, as well as the hypotheses proposed to explain such association. METHOD A comprehensive search of scientific online databases and references lists was conducted, encompassing publications based on quantitative and qualitative research, including case reports. RESULTS Psychiatric conditions in which there is some evidence of an association with JH/HDCT are anxiety disorders, depression, schizophrenia, neurodevelopmental disorders (autism, attention deficit/hyperactivity disorder, and developmental coordination disorder), eating disorders, personality disorders and substance use/misuse. CONCLUSION Despite the need of more research, the available data highlight the importance of examining psychiatric symptoms in those affected by JH/HDCT and the importance of providing interventions with a multidisciplinary approach. The relationship between JH/HDCT and mental disorders merits further attention in order to improve current knowledge and clarify a possible common etiology.
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Affiliation(s)
- Carolina Baeza-Velasco
- Department of Child and Adolescent Psychiatry, CHU Montpellier, France; Institut de Psychologie, Université Paris Descartes, Sorbonne Paris Cité, France.
| | - Guillem Pailhez
- Anxiety Unit-Institut de Neuropsiquiatria i Addicions (INAD), Hospital del Mar, Barcelona, Spain; Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - Antonio Bulbena
- Anxiety Unit-Institut de Neuropsiquiatria i Addicions (INAD), Hospital del Mar, Barcelona, Spain; Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - Amaria Baghdadli
- Department of Child and Adolescent Psychiatry, CHU Montpellier, France; Laboratory Epsylon (EA 4556), University of Montpellier, France
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Hypermobility syndrome. Rheumatology (Oxford) 2015. [DOI: 10.1016/b978-0-323-09138-1.00210-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Ono S, Domschke K, Deckert J. Genomic structural variation in affective, anxiety, and stress-related disorders. J Neural Transm (Vienna) 2014; 122:69-78. [DOI: 10.1007/s00702-014-1309-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 09/02/2014] [Indexed: 12/18/2022]
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Baeza-Velasco C, Gély-Nargeot MC, Pailhez G, Vilarrasa AB. Joint hypermobility and sport: a review of advantages and disadvantages. Curr Sports Med Rep 2014; 12:291-5. [PMID: 24030301 DOI: 10.1249/jsr.0b013e3182a4b933] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Joint hypermobility (JH) is a feature observed in several inherited conditions in which joints have a range of motion beyond normal limits. Such inherent flexibility makes it relatively easy for hypermobile people to perform certain physical activities, so this characteristic is particularly convenient for certain athletes. However JH also can carry some disadvantages: it has been associated to a higher risk of injury and to states of anxiety. The aim of this article is to provide an overview of the current evidence concerning the advantages and disadvantages of JH in the field of sport. We emphasize the importance of detecting JH in athletes in order to intervene appropriately through injury prevention programs, and emphasize how inherent anxiety may have a negative impact on sporting performance.
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Affiliation(s)
- Carolina Baeza-Velasco
- 1Epsylon, Laboratory Dynamic of Human Abilities and Health Behaviors, University of Montpellier and St-Etienne, Montpellier, FRANCE; and 2Anxiety Unit, INAD-Hospital del Mar, Parc de Salut Mar, Barcelona, SPAIN
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Abstract
Joint hypermobility syndrome is a common clinical entity which is much misunderstood, overlooked, misdiagnosed and mistreated. It was first described in the 1960s as a purely musculoskeletal condition due to joint laxity and hypermobility occurring in otherwise healthy individuals. Some four decades later it is now perceived to be a multi-systemic heritable disorder of connective tissue with manifestations occurring far beyond the confines of the locomotor system and with ramifications potentially affecting most, if not all, of the bodily systems in one way or another. Most authorities in the field find it clinically indistinguishable from the Ehlers-Danlos syndrome--hypermobility type (formerly, EDS type III). In >50% of patients the diagnosis is delayed for ≥10 years. Failure to diagnose and treat the condition correctly results in needless pain and suffering and in many patients to a progressive decline in their quality of life and in some to a loss of independence.
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Hippocampal hyperexcitability underlies enhanced fear memories in TgNTRK3, a panic disorder mouse model. J Neurosci 2013; 33:15259-71. [PMID: 24048855 DOI: 10.1523/jneurosci.2161-13.2013] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Panic attacks are a hallmark in panic disorder (PAND). During the panic attack, a strong association with the surrounding context is established suggesting that the hippocampus may be critically involved in the pathophysiology of PAND, given its role in contextual processing. We previously showed that variation in the expression of the neurotrophin tyrosine kinase receptor type 3 (NTRK3) in both PAND patients and a transgenic mouse model (TgNTRK3) may have a role in PAND pathophysiology. Our study examines hippocampal function and activation of the brain fear network in TgNTRK3 mice. TgNTRK3 mice showed increased fear memories accompanied by impaired extinction, congruent with an altered activation pattern of the amygdala-hippocampus-medial prefrontal cortex fear circuit. Moreover, TgNTRK3 mice also showed an unbalanced excitation-to-inhibition ratio in the hippocampal cornu ammonis 3 (CA3)-CA1 subcircuit toward hyperexcitability. The resulting hippocampal hyperexcitability underlies the enhanced fear memories, as supported by the efficacy of tiagabine, a GABA reuptake inhibitor, to rescue fear response. The fearful phenotype appears to be the result of hippocampal hyperexcitability and aberrant fear circuit activation. We conclude that NTRK3 plays a role in PAND by regulating hippocampus-dependent fear memories.
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Smith TO, Easton V, Bacon H, Jerman E, Armon K, Poland F, Macgregor AJ. The relationship between benign joint hypermobility syndrome and psychological distress: a systematic review and meta-analysis. Rheumatology (Oxford) 2013; 53:114-22. [DOI: 10.1093/rheumatology/ket317] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Bulbena-Cabré A, Pailhez G, Bulbena A. Joint hypermobility links with anxiety: history and present. ACTA ACUST UNITED AC 2013. [DOI: 10.1179/175361511x13153160075017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Protein tyrosine phosphatases PTPδ, PTPσ, and LAR: presynaptic hubs for synapse organization. Trends Neurosci 2013; 36:522-34. [PMID: 23835198 DOI: 10.1016/j.tins.2013.06.002] [Citation(s) in RCA: 197] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 06/03/2013] [Accepted: 06/11/2013] [Indexed: 02/04/2023]
Abstract
Synapse development requires differentiation of presynaptic neurotransmitter release sites and postsynaptic receptive apparatus coordinated by synapse organizing proteins. In addition to the well-characterized neurexins, recent studies identified presynaptic type IIa receptor-type protein tyrosine phosphatases (RPTPs) as mediators of presynaptic differentiation and triggers of postsynaptic differentiation, thus extending the roles of RPTPs from axon outgrowth and guidance. Similarly to neurexins, RPTPs exist in multiple isoforms generated by alternative splicing that interact in a splice-selective code with diverse postsynaptic partners. The parallel RPTP and neurexin hub design facilitates synapse self-assembly through cooperation, pairs presynaptic similarity with postsynaptic diversity, and balances excitation with inhibition. Upon mutation of individual genes in neuropsychiatric disorders, imbalance of this synaptic organizing network may contribute to impaired cognitive function.
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Hypermobility in dance: asset, not liability. Clin Rheumatol 2013; 32:455-61. [DOI: 10.1007/s10067-013-2191-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2013] [Accepted: 01/25/2013] [Indexed: 11/25/2022]
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Permanyer-Miralda G, Adam P, Guillamón I, Solans-Domènech M, Pons JMV. Characteristics of Spanish articles of "scientific quality" cited in clinical practice guidelines on mental health. REVISTA DE PSIQUIATRIA Y SALUD MENTAL 2013; 6:150-9. [PMID: 23395541 DOI: 10.1016/j.rpsm.2012.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Revised: 11/01/2012] [Accepted: 11/06/2012] [Indexed: 10/27/2022]
Abstract
INTRODUCTION The study aims to illustrate the impact of Spanish research in clinical decision making. To this end, we analysed the characteristics of the most significant Spanish publications cited in clinical practice guidelines (CPG) on mental health. MATERIAL AND METHODS We conducted a descriptive qualitative study on the characteristics of ten articles cited in Spanish CPG on mental health, and selected for their "scientific quality". We analysed the content of the articles on the basis of the following characteristics: topics, study design, research centres, scientific and practical relevance, type of funding, and area or influence of the reference to the content of the guidelines. RESULTS Among the noteworthy studies, some basic science studies, which have examined the establishment of genetic associations in the pathogenesis of mental illness are included, and others on the effectiveness of educational interventions. The content of those latter had more influence on the GPC, because they were cited in the summary of the scientific evidence or in the recommendations. Some of the outstanding features in the selected articles are the sophisticated designs (experimental or analytical), and the number of study centres, especially in international collaborations. Debate or refutation of previous findings on controversial issues may have also contributed to the extensive citation of work. CONCLUSIONS The inclusion of studies in the CPG is not a sufficient condition of "quality", but their description can be instructive for the design of future research or publications.
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Affiliation(s)
- Gaietà Permanyer-Miralda
- Unidad de Epidemiología, Servicio de Cardiología, Hospital Universitario Vall Hebron, Barcelona, España; Agència d'Informació, Avaluació i Qualitat en Salut, (Agència de Qualitat i Avaluació Sanitàries de Catalunya), Barcelona, España; CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, España
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Sanches SHB, Osório FDL, Udina M, Martín-Santos R, Crippa JAS. Anxiety and joint hypermobility association: a systematic review. REVISTA BRASILEIRA DE PSIQUIATRIA (SAO PAULO, BRAZIL : 1999) 2013; 34 Suppl 1:S53-60. [PMID: 22729449 DOI: 10.1590/s1516-44462012000500005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
BACKGROUND Anxiety disorders are often associated with several non-psychiatric medical conditions. Among the clinical conditions found in association with anxiety stands out the joint hypermobility (JH). OBJECTIVES To carry out a systematic review of the clinical association between anxiety disorders and JH. METHOD A survey was conducted in MEDLINE, PsychINFO, LILACS e SciELO databases up to December 2011. We searched for articles using the keywords 'anxiety', 'joint' and 'hypermobility' and Boolean operators. The review included articles describing empirical studies on the association between JH and anxiety. The reference lists of selected articles were systematically hand-searched for other publications relevant to the review. RESULTS Seventeen articles were included in the analysis and classified to better extract data. We found heterogeneity between the studies relate to the methodology used. Most of the studies found an association between anxiety features and JH. Panic disorder/agoraphobia was the anxiety disorder associated with JH in several studies. Etiological explanation of the relationship between anxiety and JH is still controversial. CONCLUSION Future research in large samples from the community and clinical setting and longitudinal studies of the association between anxiety and HA and the underlying biological mechanisms involved in this association are welcome.
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Affiliation(s)
- Simone H Bianchi Sanches
- Neurosciences and Behavior Department, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brazil.
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Abstract
Anxiety comprises many clinical descriptions and phenotypes. A genetic predisposition to anxiety is undoubted; however, the nature and extent of that contribution is still unclear. Methods for the genetic analysis of such complex disorders is briefly reviewed, followed by a discussion of the comorbidity of anxiety with other psychiatric disorders and their possible common genetic etiology. Extensive genetic studies of the serotonin (5-hydroxytryptamine, 5-HT) transporter (5-HTT) gene have revealed how variation in gene expression can be correlated with anxiety phenotypes. Complete genome-wide linkage scans for panic disorder (PD) susceptibility genes have suggested a locus on chromosome arm 7p, and association studies have highlighted many candidate genes. A highly significant association between phobias, panic disorder, and a duplication at chromosomal region 15q24-26 is one of the most exciting findings to date. Emerging molecular genetic technologies and the use of increasingly sophisticated animal models of anxiety provide great promise for the future of the field.
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Reul JMHM, Holsboer F. On the role of corticotropin-releasing hormone receptors in anxiety and depression. DIALOGUES IN CLINICAL NEUROSCIENCE 2012. [PMID: 22033745 PMCID: PMC3181666 DOI: 10.31887/dcns.2002.4.1/jreul] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
On the basis of extensive basic and clinical studies, corticotropin-releasing hormone (CRH) and its related family members are considered to play a pivotal role in stress-related disorders, such as anxiety and depression. CRH is regarded as the principal mediator in the brain of the stress response, as it mediates neuroendocrine, autonomic, and behavioral responses to stressful challenges. Recently, this neuropeptide family has expanded due to the discovery of two new members, urocortin II (also termed stresscopin-related peptide) and urocortin III (also termed stresscopin), which are selective agonists for the CRH receptor type 2. They show a discrete neuroanatomical localization and are involved in stress-coping responses, such as anxiolysis. Here, on the basis of recent developments, we suggest that CRH, the urocortins, and their receptors form a complex system in the brain, which is recruited during both the acute and the recovery phases of the stress response.
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Scheper MC, de Vries JE, de Vos R, Verbunt J, Nollet F, Engelbert RHH. Generalized joint hypermobility in professional dancers: a sign of talent or vulnerability? Rheumatology (Oxford) 2012; 52:651-8. [DOI: 10.1093/rheumatology/kes220] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Bianchi Sanches SH, Osório FDL, Udina M, Martín-Santos R, Crippa JAS. Anxiety and joint hypermobility association: a systematic review. BRAZILIAN JOURNAL OF PSYCHIATRY 2012. [DOI: 10.1016/s1516-4446(12)70054-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
PURPOSE The aim of this study was to characterize the clinical phenotype of patients with tetrasomy of the distal 15q chromosome in the form of a neocentric marker chromosome and to evaluate whether the phenotype represents a new clinical syndrome or is a phenocopy of Shprintzen-Goldberg syndrome. METHODS We carried out comprehensive clinical evaluation of four patients who were identified with a supernumerary marker chromosome. The marker chromosome was characterized by G-banding, fluorescence in situ hybridization, single nucleotide polymorphism oligonucleotide microarray analysis, and immunofluorescence with antibodies to centromere protein C. RESULTS The marker chromosomes were categorized as being neocentric with all showing tetrasomy for regions distal to 15q25 and the common region of overlap being 15q26→qter. CONCLUSION Tetrasomy of 15q26 likely results in a distinct syndrome as the patients with tetrasomy 15q26 share a strikingly more consistent phenotype than do the patients with Shprintzen-Goldberg syndrome, who show remarkable clinical variation.
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Hérault Y, Duchon A, Maréchal D, Raveau M, Pereira PL, Dalloneau E, Brault V. Controlled somatic and germline copy number variation in the mouse model. Curr Genomics 2011; 11:470-80. [PMID: 21358991 PMCID: PMC3018727 DOI: 10.2174/138920210793176038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2010] [Revised: 05/24/2010] [Accepted: 05/27/2010] [Indexed: 12/20/2022] Open
Abstract
Changes in the number of chromosomes, but also variations in the copy number of chromosomal regions have been described in various pathological conditions, such as cancer and aneuploidy, but also in normal physiological condition. Our classical view of DNA replication and mitotic preservation of the chromosomal integrity is now challenged as new technologies allow us to observe such mosaic somatic changes in copy number affecting regions of chromosomes with various sizes. In order to go further in the understanding of copy number influence in normal condition we could take advantage of the novel strategy called Targeted Asymmetric Sister Chromatin Event of Recombination (TASCER) to induce recombination during the G2 phase so that we can generate deletions and duplications of regions of interest prior to mitosis. Using this approach in the mouse we could address the effects of copy number variation and segmental aneuploidy in daughter cells and allow us to explore somatic mosaics for large region of interest in the mouse.
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Affiliation(s)
- Yann Hérault
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), INSERM U964, CNRS UMR7104, Université de Strasbourg, Illkirch, France
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Baeza-Velasco C, Gely-Nargeot MC, Vilarrasa AB, Fenetrier C, Bravo JF. Association between psychopathological factors and joint hypermobility syndrome in a group of undergraduates from a French university. Int J Psychiatry Med 2011; 41:187-201. [PMID: 21675349 DOI: 10.2190/pm.41.2.g] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To explore the frequency of Joint Hypermobility Syndrome (JHS) among university students and assess whether a relationship exists between this collagen condition and certain psychological variables. METHOD A cross-sectional sample of 365 undergraduates at a French university was assessed with the Brighton's criteria for JHS, Somatosensory Amplification Scale (SSAS), Liebowitz Social Anxiety Scale (LSAS), and Hospital Anxiety and Depression Scale (HADS). RESULTS 39.5% of the participants met Brighton's criteria for JHS. Scores of somatosensory amplification were higher among participants with JHS (t = -2.98; p = 0.03) independent of gender. Female participants with JHS had higher scores in depression (t = -2.01; p = 0.04) and general anxiety (t = -2.35; p = 0.01) than women without JHS. The percentage of males with a medium/high level of social anxiety was greater among participants with JHS (78.6% vs. 41.7%; chi2 = 6.18;p = 0.01). Logistic regression demonstrated that male sex and low level of somatosensory amplification are variables contrary to the presence of JHS. CONCLUSION JHS is a frequent condition among young people evaluated. JHS is associated with psychological distress and higher levels of somatosensory amplification.
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Joint hypermobility syndrome is a risk factor trait for anxiety disorders: a 15-year follow-up cohort study. Gen Hosp Psychiatry 2011; 33:363-70. [PMID: 21762833 DOI: 10.1016/j.genhosppsych.2011.03.004] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 03/04/2011] [Accepted: 03/07/2011] [Indexed: 11/21/2022]
Abstract
OBJECTIVE The objective of the study was to assess whether joint hypermobility syndrome (JHS) is a risk factor for developing anxiety disorders using a 15-year prospective cohort study. METHOD The initial cohort recruited 158 subjects aged 16 to 20 years from the general population in a Spanish rural town. The cohort was studied at baseline and at a 15-year follow-up. Joint hypermobility syndrome was assessed using Beighton's criteria, and the psychiatric disorders were assessed using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Disorders. Subjects with anxiety disorders at baseline were excluded from the follow-up. RESULTS Joint hypermobility syndrome at baseline was found in 29 of 158 subjects (21.1%). Cumulative incidence of panic/agoraphobia disorder at follow-up, as main diagnosis, was significantly higher for the JHS group (41.4%) than for the control group (1.9%), with a relative risk of 22.3 [95% confidence interval (CI) 4.6-108.7, P<.0001] (Number Needed to Treat [NNT] 3, 95% CI 2.9-2.3). Incidence of social phobia and simple phobia was also significantly higher for the JHS group [relative risk (RR)=6.52, 95% CI 1.7-24.2, P<.001 and RR=3.31, 95% CI 1.1-9.6, P=.02, respectively]. Moreover, anxiolytic drug use was nearly fourfold higher among JHS compared to non-JHS subjects. CONCLUSION Joint hypermobility syndrome was associated with higher risk of developing anxiety disorders. If replicated, these findings may give enhanced value to JHS assessment in clinical and general population studies.
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Fullana MA, Vilagut G, Ortega N, Bruffaerts R, de Girolamo G, de Graaf R, Haro JM, Kovess V, Matschinger H, Bulbena A, Alonso J. Prevalence and correlates of respiratory and non-respiratory panic attacks in the general population. J Affect Disord 2011; 131:330-8. [PMID: 21183222 DOI: 10.1016/j.jad.2010.11.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 11/25/2010] [Accepted: 11/26/2010] [Indexed: 10/18/2022]
Abstract
BACKGROUND Panic attacks are heterogeneous with regards to symptom profile. Subtypes of panic attacks have been proposed, of which the most investigated is respiratory panic attacks (RPA). Limited information exists about RPA in the general population. METHOD The prevalence and correlates of RPA and non-respiratory panic attacks (NRPA) were examined in a subsample (n=8.796) of individuals participating in a cross-sectional survey of the adult general population of six European countries. Panic attacks, mental disorders, and chronic physical conditions were assessed with the Composite International Diagnostic Interview (CIDI) 3.0. Data on use of health services and disability were obtained. RESULTS The lifetime prevalence of RPA was 6.77 and the 12-month prevalence was 2.26. No robust associations of RPA with sociodemographic characteristics, mental disorders or physical conditions were found as compared to NRPA. RPA were associated with increased use of health services but similar disability in comparison to NRPA. LIMITATIONS Few direct data are available on the validity of the CIDI to assess RPA. Other definitions of RPA exist in the literature. CONCLUSIONS Our findings suggest that there are very few differences between RPA and NRPA and do not support the need of subtyping panic attacks in current classification systems.
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Affiliation(s)
- M A Fullana
- Anxiety Unit, Institute of Neuropsychiatry and Addictions, Parc de Salut Mar & Department of Psychiatry, Autonomous University of Barcelona, Barcelona, Spain.
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Baeza-Velasco C, Gély-Nargeot MC, Bulbena Vilarrasa A, Bravo JF. Joint hypermobility syndrome: problems that require psychological intervention. Rheumatol Int 2011; 31:1131-6. [DOI: 10.1007/s00296-011-1839-5] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Accepted: 02/18/2011] [Indexed: 11/29/2022]
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Intron 12 in NTRK3 is associated with bipolar disorder. Psychiatry Res 2011; 185:358-62. [PMID: 20554328 DOI: 10.1016/j.psychres.2010.05.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Revised: 04/19/2010] [Accepted: 05/11/2010] [Indexed: 11/22/2022]
Abstract
Based on the important role of neurotrophic factors in brain development and plasticity and reports of association between schizophrenia and the gene neurotrophic tyrosine kinase receptor 3 (NTRK3), we investigated associations of bipolar disorder with polymorphisms in NTRK3. Recently, our group reported evidence for a possible association of NTRK3 polymorphisms with hippocampal function and schizophrenia. In the present study, we used a homogenous Norwegian case-control sample (the TOP study) consisting of 194 patients diagnosed with bipolar disorder and 336 healthy controls genotyped on the Affymetrix Genome-wide Human SNP Array 6.0. In total 149 markers were investigated for SNP-disease association. Polymorphisms in over 20 markers were nominally associated with bipolar disorder, covering intron 5 to intron 12. Interestingly, our markers appeared to be located close or within the linkage regions reported in schizophrenia, early-onset major depressive disorder and eating disorder, supporting the hypothesis that some genes influence risk beyond traditional diagnostic boundaries.
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Abstract
Joint hypermobility (JH) is considered a common benign, hereditary, overlap, connective tissue disorder with a prevalence in the general population of about 10% in European populations and 25% in other ethnic groups. JH shows an association with mitral valve prolapse and fibromyalgia. However, the most significant and important association between joint hypermobility syndrome (JHS) and any other disorder from a clinical point of view is with panic disorder. This article summarizes all published studies on JHS and anxiety, analyzing the main results and limitations. An overview of the etiologic explanation of the association between JH and anxiety, with special focus on genetic findings, is also included. The most relevant conclusions are the following: JHS is more prevalent in individuals with panic disorder/agoraphobia, and patients with JHS present with greater prevalence of panic disorder/agoraphobia. In addition, there is an association between JHS severity and severity of anxiety, and mitral valve prolapse plays a secondary role in the association between JHS and anxiety. New fields of research based on these data are suggested.
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Somatic gene mutation and human disease other than cancer: An update. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2010; 705:96-106. [DOI: 10.1016/j.mrrev.2010.04.002] [Citation(s) in RCA: 147] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2009] [Revised: 03/29/2010] [Accepted: 04/08/2010] [Indexed: 12/24/2022]
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Gutiérrez-Franco MDLA, Madariaga-Campos MDLL, Vásquez-Velásquez AI, Matute E, Guevara-Yáñez R, Rivera H. A girl with 15q overgrowth syndrome and dup(15)(q24q26.3) that included telomeric sequences. Korean J Lab Med 2010; 30:318-24. [PMID: 20603595 DOI: 10.3343/kjlm.2010.30.3.318] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Distal 15q trisomy or tetrasomy is associated with a characteristic phenotype that includes mild to moderate intellectual disability, abnormal behavior, speech impairment, overgrowth, hyperlaxity, long face, prominent nose, puffy cheeks, pointed chin, small ears, and hand anomalies (mainly arachno- and camptodactyly). We present the case of a 13-yr-old girl with the main clinical features of 15q overgrowth syndrome and a 46,XX,dup(15)(q24q26.3)[117]/46,XX[3].ish dup(15)(q24q26.3) (SNPRN+,PML+,subtel++,tel++) de novo karyotype. The findings in this case are consistent with those in the previous distal 15q trisomy cases that presented with overgrowth and mental retardation. Further, the rearranged chromosome had a double set of directly oriented telomeric and subtelomeric sequences.
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Abstract
The molecular genetic research on panic disorder (PD) has grown tremendously in the past decade. Although the data from twin and family studies suggest an involvement of genetic factors in the familial transmission of PD with the heritability estimate near 40%, the genetic substrate underlying panicogenesis is not yet understood. The linkage studies so far have suggested that chromosomal regions 13q, 14q, 22q, 4q31-q34, and probably 9q31 are associated with the transmission of PD phenotypes. To date, more than 350 candidate genes have been examined in association studies of PD, but most of these results remain inconsistent, negative, or not clearly replicated. Only Val158Met polymorphism of the catechol-O-methyltransferase gene has been implicated in susceptibility to PD by several studies in independent samples and confirmed in a recent meta-analysis. However, the specific role of this genetic variation in PD requires additional analysis considering its gender- and ethnicity-dependent effect and putative impact on cognitive functions. The recent advantages in bioinformatics and genotyping technologies, including genome-wide association and gene expression methods, provide the means for far more comprehensive discovery in PD. The progress in clinical and neurobiological concepts of PD may further guide genetic research through the current controversies to more definitive findings.
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Affiliation(s)
- E Maron
- Department of Psychiatry, University of Tartu, Tartu, Estonia.
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Association between reduced copy-number at T-cell receptor gamma (TCRgamma) and childhood allergic asthma: A possible role for somatic mosaicism. Mutat Res 2010; 690:89-94. [PMID: 20553737 DOI: 10.1016/j.mrfmmm.2010.05.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Accepted: 05/21/2010] [Indexed: 12/25/2022]
Abstract
Asthma is a chronic inflammatory disease of the lungs which affects more than 6.5 million American children. A family-based genome-wide association study of copy-number variation identified an association between decreased copy-number at TCRgamma and childhood allergic asthma. TCRgamma encodes the T-cell receptor gamma glycoprotein, a cell-surface protein found on T-cells and involved in cell-mediated immunity. Using quantitative real-time PCR, we sought to determine if copy-number variation at TCRalpha, TCRbeta or TCRgamma was associated with childhood allergic asthma in an independent cohort of 94 cases and 455 controls using DNA from buccal swabs. Copy-number variation at these loci is well-known, but appears to be dominated by somatic mutations. Genotyping results indicated that copy-number variants at these genes are largely somatic mutations, as inheritance did not show Mendelian consistency. In these mosaic cell populations, copy-number was significantly reduced among asthmatic children at TCRgamma (p=0.0199), but was not associated at TCRalpha or TCRbeta (p=0.7972 and 0.8585, respectively). These findings support the association between reduced copy-number at TCRgamma and childhood allergic asthma. Further work is needed to resolve whether reduced copy-number at TCRgamma predisposes individuals to asthma, or whether deletion of this gene is a somatic response to the disease.
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Association entre anxiété et hyperlaxité articulaire : revue de la littérature. ANNALES MEDICO-PSYCHOLOGIQUES 2010. [DOI: 10.1016/j.amp.2009.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Abstract
Joint hypermobility syndrome (JHS) was initially defined as the occurrence of musculoskeletal symptoms in the presence of joint laxity and hypermobility in otherwise healthy individuals. It is now perceived as a commonly overlooked, underdiagnosed, multifaceted, and multisystemic heritable disorder of connective tissue (HDCT), which shares many of the phenotypic features of other HDCTs such as Marfan syndrome and Ehlers-Danlos syndrome. Whereas the additional flexibility can confer benefits in terms of mobility and agility, adverse effects of tissue laxity and fragility can give rise to clinical consequences that resonate far beyond the confines of the musculoskeletal system. There is hardly a clinical specialty to be found that is not touched in one way or another by JHS. Over the past decade, it has become evident that of all the complications that may arise in JHS, chronic pain is arguably the most menacing and difficult to treat.
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