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Liu Y, Tu Z, Zhang X, Du K, Xie Z, Lin Z. Pathogenesis and treatment of neuropsychiatric systemic lupus erythematosus: A review. Front Cell Dev Biol 2022; 10:998328. [PMID: 36133921 PMCID: PMC9484581 DOI: 10.3389/fcell.2022.998328] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 08/12/2022] [Indexed: 11/18/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune inflammatory disease with a complex pathogenesis. Neuropsychiatric systemic lupus erythematosus (NPSLE) is a serious complication of SLE that involves the nervous system and produces neurological or psychiatric symptoms. After decades of research, it is now believed that the diverse clinical manifestations of NPSLE are associated with intricate mechanisms, and that genetic factors, blood-brain barrier dysfunction, vascular lesions, multiple autoimmune antibodies, cytokines, and neuronal cell death may all contribute to the development of NPSLE. The complexity and diversity of NPSLE manifestations and the clinical overlap with other related neurological or psychiatric disorders make its accurate diagnosis difficult and time-consuming. Therefore, in this review, we describe the known pathogenesis and potential causative factors of NPSLE and briefly outline its treatment that may help in the diagnosis and treatment of NPSLE.
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Affiliation(s)
- Yuhong Liu
- Department of Rheumatology, Third Affifiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhihua Tu
- Department of Rheumatology, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Xi Zhang
- Department of Rheumatology, Third Affifiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Keqian Du
- Department of Rheumatology, Third Affifiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhengquan Xie
- Department of Rheumatology, Panyu Hospital of Chinese Medicine, Guangzhou, China
- *Correspondence: Zhiming Lin, ; Zhengquan Xie,
| | - Zhiming Lin
- Department of Rheumatology, Third Affifiliated Hospital of Sun Yat-sen University, Guangzhou, China
- *Correspondence: Zhiming Lin, ; Zhengquan Xie,
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2
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Appenzeller S, Pereira DR, Julio PR, Reis F, Rittner L, Marini R. Neuropsychiatric manifestations in childhood-onset systemic lupus erythematosus. THE LANCET. CHILD & ADOLESCENT HEALTH 2022; 6:571-581. [PMID: 35841921 DOI: 10.1016/s2352-4642(22)00157-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Neuropsychiatric manifestations occur frequently and are challenging to diagnose in childhood-onset systemic lupus erythematosus (SLE). Most patients with childhood-onset SLE have neuropsychiatric events in the first 2 years of disease. 30-70% of patients present with more than one neuropsychiatric event during their disease course, with an average of 2-3 events per person. These symptoms are associated with disability and mortality. Serum, cerebrospinal fluid, and neuroimaging findings have been described in childhood-onset SLE; however, only a few have been validated as biomarkers for diagnosis, monitoring response to treatment, or prognosis. The aim of this Review is to describe the genetic risk, clinical and neuroimaging characteristics, and current treatment strategies of neuropsychiatric manifestations in childhood-onset SLE.
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Affiliation(s)
- Simone Appenzeller
- Department of Orthopedics, Rheumatology, and Traumatology, University of Campinas, Campinas, Brazil; Rheumatology Laboratory, University of Campinas, Campinas, Brazil.
| | - Danilo Rodrigues Pereira
- Rheumatology Laboratory, University of Campinas, Campinas, Brazil; Medical Physiopathology Graduate Program, University of Campinas, Campinas, Brazil
| | - Paulo Rogério Julio
- Rheumatology Laboratory, University of Campinas, Campinas, Brazil; Child and Adolescent Health Graduate Program, University of Campinas, Campinas, Brazil
| | - Fabiano Reis
- Department of Radiology, University of Campinas, Campinas, Brazil
| | - Leticia Rittner
- School of Medical Science; School of Electrical and Computer Engineering, University of Campinas, Campinas, Brazil
| | - Roberto Marini
- Pediatric Rheumatology Unit, Department of Pediatrics, University of Campinas, Campinas, Brazil
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3
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Cognitive Impairment, Sleep Disturbance, and Depression in Women with Silicone Breast Implants: Association with Autoantibodies against Autonomic Nervous System Receptors. Biomolecules 2022; 12:biom12060776. [PMID: 35740901 PMCID: PMC9221347 DOI: 10.3390/biom12060776] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/23/2022] [Accepted: 05/30/2022] [Indexed: 12/15/2022] Open
Abstract
Background: Silicone breast implants (SBIs) has been shown to be associated with an increased risk of autoimmune diseases. In the current study, we aimed to explore the potential association between circulating autoantibodies against the autonomic nervous system and cognitive impairment, memory deficit, and depressive symptoms reported by women with SBIs. Methods: ELISA assays were used to quantify anti-adrenergic receptors (α1, α2, β1, β2), anti-muscarinic receptors (M1-M5), anti-endothelin receptor type A, and anti-angiotensin II type 1 receptor titers in the sera of 93 symptomatic female subjects with SBIs and 36 age-matched healthy female controls. Results: A significant difference was detected in the level of autoantibodies against the autonomic nervous system receptors in women with SBIs who reported memory impairment, cognitive impairment, and sleep disturbance as compared with both women with SBIs who did not complain of these symptoms or with healthy individuals without SBIs. Conclusions: Clinical symptoms such as depression, cognitive impairment, and sleep disturbances were found to be associated with dysregulation of the levels of circulating autoantibodies targeting the autonomous nervous system receptors in women with SBIs. These autoantibodies may have diagnostic significance in diseases associated with breast implants.
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Ota Y, Srinivasan A, Capizzano AA, Bapuraj JR, Kim J, Kurokawa R, Baba A, Moritani T. Central Nervous System Systemic Lupus Erythematosus: Pathophysiologic, Clinical, and Imaging Features. Radiographics 2022; 42:212-232. [PMID: 34990324 DOI: 10.1148/rg.210045] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by multiple immunologic abnormalities and has the potential to involve the central nervous system (CNS). The prevalence of SLE seems to be growing, possibly because of earlier diagnosis and improved survival; however, the associated mortality is still high. The mortality is associated with disease-related risk factors such as lupus disease activity, young age, and organ damage or with antiphospholipid syndrome (APS). Neuropsychiatric SLE (NPSLE), which is caused by SLE-related CNS involvement, comprises a broad range of neurologic and psychiatric manifestations with varying severity, which can make this disease indistinguishable from other conditions that are unrelated to SLE. No unifying pathophysiology has been found in the etiology of NPSLE, suggesting that this condition has multiple contributors such as various immune effectors and the brain-intrinsic neuroimmune interfaces that are breached by the immune effectors. The postulated neuroimmune interfaces include the blood-brain barrier, blood-cerebrospinal fluid barrier, meningeal barrier, and glymphatic system. On the basis of the immunologic, pathologic, and imaging features of NPSLE, the underlying pathophysiology can be classified as vasculitis and vasculopathy, APS, demyelinating syndrome, or autoimmune antibody-mediated encephalitis. Each pathophysiology has different imaging characteristics, although the imaging and pathophysiologic features may overlap. Moreover, there are complications due to the immunocompromised status caused by SLE per se or by SLE treatment. Radiologists and clinicians should become familiar with the underlying mechanisms, radiologic findings, and complications of NPSLE, as this information may aid in the diagnosis and treatment of NPSLE. Online supplemental material is available for this article. ©RSNA, 2022.
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Affiliation(s)
- Yoshiaki Ota
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - Ashok Srinivasan
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - Aristides A Capizzano
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - Jayapalli R Bapuraj
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - John Kim
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - Ryo Kurokawa
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - Akira Baba
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
| | - Toshio Moritani
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109
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5
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Gul M, Azari Jafari A, Shah M, Mirmoeeni S, Haider SU, Moinuddin S, Chaudhry A. Molecular Biomarkers in Multiple Sclerosis and Its Related Disorders: A Critical Review. Int J Mol Sci 2020; 21:E6020. [PMID: 32825639 PMCID: PMC7547375 DOI: 10.3390/ijms21176020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/10/2020] [Accepted: 08/14/2020] [Indexed: 12/17/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic autoimmune disease affecting the central nervous system (CNS) which can lead to severe disability. Several diseases can mimic the clinical manifestations of MS. This can often lead to a prolonged period that involves numerous tests and investigations before a definitive diagnosis is reached. As well as the possibility of misdiagnosis. Molecular biomarkers can play a unique role in this regard. Molecular biomarkers offer a unique view into the CNS disorders. They help us understand the pathophysiology of disease as well as guiding our diagnostic, therapeutic, and prognostic approaches in CNS disorders. This review highlights the most prominent molecular biomarkers found in the literature with respect to MS and its related disorders. Based on numerous recent clinical and experimental studies, we demonstrate that several molecular biomarkers could very well aid us in differentiating MS from its related disorders. The implications of this work will hopefully serve clinicians and researchers alike, who regularly deal with MS and its related disorders.
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Affiliation(s)
- Maryam Gul
- Precision Rheumatology INC, 2050 South Euclid Street, Anaheim, CA 92802, USA
| | - Amirhossein Azari Jafari
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud 3614773947, Iran; (A.A.J.); (S.M.)
| | - Muffaqam Shah
- Deccan College of Medical Sciences, P.O. Kanchanbagh, DMRL ‘X’ Road, Santhosh Nagar, Hyderabad 500058, Telangana State, India;
| | - Seyyedmohammadsadeq Mirmoeeni
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud 3614773947, Iran; (A.A.J.); (S.M.)
| | - Safee Ullah Haider
- Shaikh Khalifa Bin Zayed Al-Nahyan Medical College, Shaikh Zayed Medical Complex, Lahore 54000, Pakistan;
| | - Sadia Moinuddin
- Department of Internal Medicine, San Antonio Regional Medical Center, 999 San Bernardino Rd, Upland, CA 91786, USA;
| | - Ammar Chaudhry
- Department of Radiology, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, USA;
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Schwartz N, Stock AD, Putterman C. Neuropsychiatric lupus: new mechanistic insights and future treatment directions. Nat Rev Rheumatol 2020; 15:137-152. [PMID: 30659245 DOI: 10.1038/s41584-018-0156-8] [Citation(s) in RCA: 207] [Impact Index Per Article: 51.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Patients with systemic lupus erythematosus (SLE) frequently show symptoms of central nervous system (CNS) involvement, termed neuropsychiatric SLE (NPSLE). The CNS manifestations of SLE are diverse and have a broad spectrum of severity and prognostic implications. Patients with NPSLE typically present with nonspecific symptoms, such as headache and cognitive impairment, but might also experience devastating features, such as memory loss, seizures and stroke. Some features of NPSLE, in particular those related to coagulopathy, have been characterized and an evidence-based treatment algorithm is available. The cognitive and affective manifestations of NPSLE, however, remain poorly understood. Various immune effectors have been evaluated as contributors to its pathogenesis, including brain-reactive autoantibodies, cytokines and cell-mediated inflammation. Additional brain-intrinsic elements (such as resident microglia, the blood-brain barrier and other neurovascular interfaces) are important facilitators of NPSLE. As yet, however, no unifying model has been found to underlie the pathogenesis of NPSLE, suggesting that this disease has multiple contributors and perhaps several distinct aetiologies. This heterogeneity presents a challenge for clinicians who have traditionally relied on empirical judgement in choosing treatment modalities for patients with NPSLE. Improved understanding of this manifestation of SLE might yield further options for managing this disease.
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Affiliation(s)
- Noa Schwartz
- Division of Rheumatology, Hospital for Special Surgery, New York, NY, USA
| | - Ariel D Stock
- Department of Microbiology & Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Chaim Putterman
- Department of Microbiology & Immunology, Albert Einstein College of Medicine, Bronx, NY, USA. .,Division of Rheumatology, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, USA.
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Kwan A, Katz P, Touma Z. The Assessment of Anxiety and Depression and its Associated Factors in SLE. Curr Rheumatol Rev 2019; 15:90-98. [PMID: 30255761 DOI: 10.2174/1573397114666180926101513] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 07/13/2018] [Accepted: 09/23/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Depression and anxiety are common neuropsychiatric complaints in patients with Systemic Lupus Erythematosus (SLE). While numerous studies have been performed to investigate the prevalence, impact, and associated factors of depression and anxiety, current literature presents mixed results. In particular, the prevalence of anxiety and depression varies substantially between studies due to methodological limitations, and heterogeneity in defining anxiety and depression, patient selection, and metrics used. Moreover, there is a lack of studies evaluating the validity, reliability, and interpretability of commonly used screening tools for depression and anxiety in SLE patients. RESULT AND CONCLUSION Further investigations should aim to reach a consensus surrounding the role of controversial associated factors in depression and anxiety of SLE patients, while also focusing on the identification of novel factors that have not yet been highlighted in the literature.
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Affiliation(s)
- Andrew Kwan
- Queen's University, Kingston, Ontario, Canada.,University of Toronto Lupus Clinic, Toronto Western Hospital, Centre for Prognosis Studies in the Rheumatic Diseases, Toronto, Ontario, Canada
| | - Patricia Katz
- Department of Medicine, UCSF, Philip R. Lee Institute for Health Policy Studies, St, San Francisco, CA 94117, United States
| | - Zahi Touma
- University of Toronto Lupus Clinic, Toronto Western Hospital, Centre for Prognosis Studies in the Rheumatic Diseases, Toronto, Ontario, Canada
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8
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Yoon S, Kang DH, Choi TY. Psychiatric Symptoms in Systemic Lupus Erythematosus: Diagnosis and Treatment. JOURNAL OF RHEUMATIC DISEASES 2019. [DOI: 10.4078/jrd.2019.26.2.93] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Seoyoung Yoon
- Department of Psychiatry, Catholic University of Daegu School of Medicine, Daegu, Korea
| | - Dae Hun Kang
- Department of Psychiatry, Catholic University of Daegu School of Medicine, Daegu, Korea
| | - Tae Young Choi
- Department of Psychiatry, Catholic University of Daegu School of Medicine, Daegu, Korea
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9
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Didier K, Bolko L, Giusti D, Toquet S, Robbins A, Antonicelli F, Servettaz A. Autoantibodies Associated With Connective Tissue Diseases: What Meaning for Clinicians? Front Immunol 2018; 9:541. [PMID: 29632529 PMCID: PMC5879136 DOI: 10.3389/fimmu.2018.00541] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 03/02/2018] [Indexed: 02/06/2023] Open
Abstract
Connective tissue diseases (CTDs) such as systemic lupus erythematosus, systemic sclerosis, myositis, Sjögren's syndrome, and rheumatoid arthritis are systemic diseases which are often associated with a challenge in diagnosis. Autoantibodies (AAbs) can be detected in these diseases and help clinicians in their diagnosis. Actually, pathophysiology of these diseases is associated with the presence of antinuclear antibodies. In the last decades, many new antibodies were discovered, but their implication in pathogenesis of CTDs remains unclear. Furthermore, the classification of these AAbs is nowadays misused, as their targets can be localized outside of the nuclear compartment. Interestingly, in most cases, each antibody is associated with a specific phenotype in CTDs and therefore help in better defining either the disease subtypes or diseases activity and outcome. Because of recent progresses in their detection and in the comprehension of their pathogenesis implication in CTD-associated antibodies, clinicians should pay attention to the presence of these different AAbs to improve patient's management. In this review, we propose to focus on the different phenotypes and features associated with each autoantibody used in clinical practice in those CTDs.
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Affiliation(s)
- Kevin Didier
- Department of Internal Medicine, Infectious Diseases, and Clinical Immunology, Reims Teaching Hospitals, Robert Debré Hospital, Reims, France
| | - Loïs Bolko
- Rheumatology Department, Maison Blanche Hospital, Reims University Hospitals, Reims, France
| | - Delphine Giusti
- Laboratory of Dermatology, Faculty of Medicine, EA7319, University of Reims Champagne-Ardenne, Reims, France.,Laboratory of Immunology, Reims University Hospital, University of Reims Champagne-Ardenne, Reims, France
| | - Segolene Toquet
- Department of Internal Medicine, CHU de Reims, Reims, France
| | - Ailsa Robbins
- Department of Internal Medicine, Infectious Diseases, and Clinical Immunology, Reims Teaching Hospitals, Robert Debré Hospital, Reims, France
| | - Frank Antonicelli
- Laboratory of Dermatology, Faculty of Medicine, EA7319, University of Reims Champagne-Ardenne, Reims, France.,Department of Biological Sciences, Immunology, UFR Odontology, University of Reims Champagne-Ardenne, Reims, France
| | - Amelie Servettaz
- Department of Internal Medicine, Infectious Diseases, and Clinical Immunology, Reims Teaching Hospitals, Robert Debré Hospital, Reims, France.,Laboratory of Dermatology, Faculty of Medicine, EA7319, University of Reims Champagne-Ardenne, Reims, France
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10
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Brain magnetic resonance imaging, cerebrospinal fluid, and autoantibody profile in 118 patients with neuropsychiatric lupus. Clin Rheumatol 2017; 37:227-233. [DOI: 10.1007/s10067-017-3891-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 10/10/2017] [Accepted: 10/24/2017] [Indexed: 11/08/2022]
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11
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Untargeted screening for novel autoantibodies with prognostic value in first-episode psychosis. Transl Psychiatry 2017; 7:e1177. [PMID: 28742074 PMCID: PMC5538130 DOI: 10.1038/tp.2017.160] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 06/01/2017] [Indexed: 12/24/2022] Open
Abstract
Immunological and inflammatory reactions have been suggested to have a role in the development of schizophrenia, a hypothesis that has recently been supported by genetic data. The aim of our study was to perform an unbiased search for autoantibodies in patients with a first psychotic episode, and to explore the association between any seroreactivity and the development of a Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV) disorder characterized by chronic or relapsing psychotic symptoms. We collected plasma samples from 53 patients when they were treated for their first-episode psychosis, and 41 non-psychotic controls, after which the patients were followed for a mean duration of 7 years. Thirty patients were diagnosed with schizophrenia, delusional disorder, schizoaffective disorder, bipolar disorder or a long-term unspecified nonorganic psychosis during follow-up, whereas 23 patients achieved complete remission. At the end of follow-up, plasma samples were analyzed for IgG reactivity to 2304 fragments of human proteins using a multiplexed affinity proteomic technique. Eight patient samples showed autoreactivity to the N-terminal fragment of the PAGE (P antigen) protein family (PAGE2B/PAGE2/PAGE5), whereas no such autoreactivity was seen among the controls. PAGE autoreactivity was associated with a significantly increased risk of being diagnosed with schizophrenia during follow-up (odds ratio 6.7, relative risk 4.6). An immunohistochemistry analysis using antisera raised against the N-terminal fragment stained an unknown extracellular target in human cortical brain tissue. Our findings suggest that autoreactivity to the N-terminal portion of the PAGE protein family is associated with schizophrenia in a subset of patients with first-episode psychosis.
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12
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Cinquanta L, Fontana DE, Bizzaro N. Chemiluminescent immunoassay technology: what does it change in autoantibody detection? AUTOIMMUNITY HIGHLIGHTS 2017. [PMID: 28647912 PMCID: PMC5483212 DOI: 10.1007/s13317-017-0097-2] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Diagnostic technology is rapidly evolving, and over the last decade, substantial progress has been made even for the identification of antibodies, increasingly approaching this type of diagnostic to that of automated clinical chemistry laboratory. In this review, we describe the analytical and diagnostic characteristics of chemiluminescence technology in its strength and in its applicability for a more rapid and accurate diagnosis of autoimmune diseases. The wide dynamic range, greater than that of immunoenzymatic methods, the high sensitivity and specificity of the results expressed in quantitative form, the high degree of automation and the clinical implications related to the reduction in the turnaround time, and the ability to run a large number of antibody tests (even of different isotypes), directed towards large antigenic panels in random access mode, make this technology the most advanced in the clinical laboratory, with enormous repercussions on the workflow and on the autoimmunology laboratory organisation. Further improvements are expected in the coming years with the development of new analytical platforms such as the flow-injection chemiluminescent immunoassay, the two-dimensional resolution for chemiluminescence multiplex immunoassay and the magnetic nanoparticles chemiluminescence immunoassay, which will likely result in additional increases in the clinical efficacy of antibody tests.
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Affiliation(s)
- Luigi Cinquanta
- Autoimmunologia e Allergologia Diagnostica di Laboratorio, UOC di Patologia Clinica, Azienda Ospedaliera Universitaria "Scuola Medica Salernitana", OORR San Giovanni di Dio e Ruggi d'Aragona, Salerno, Italy.
| | - Desré Ethel Fontana
- Dipartimento di Medicina di Laboratorio e Istituto di Patologia Clinica, Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy
| | - Nicola Bizzaro
- Laboratorio di Patologia Clinica, Ospedale San Antonio, Azienda Sanitaria Universitaria Integrata di Udine, Tolmezzo, Italy
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13
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Depressive and Anxiety Disorders in Systemic Lupus Erythematosus Patients without Major Neuropsychiatric Manifestations. J Immunol Res 2016; 2016:2829018. [PMID: 27747246 PMCID: PMC5056298 DOI: 10.1155/2016/2829018] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 08/31/2016] [Indexed: 11/17/2022] Open
Abstract
Depressive and anxiety disorders are frequently observed in patients with Systemic Lupus Erythematosus (SLE). However, the underlying mechanisms are still unknown. We conducted this survey to understand the prevalence of depression and anxiety in SLE patients without major neuropsychiatric manifestations (non-NPSLE) and to explore the relationship between emotional disorders, symptoms, autoantibodies, disease activity, and treatments in SLE. 176 SLE patients were included, and SLE disease activity index (SLEDAI), Hamilton Depression Rating Scale (HAMD), and Hamilton Anxiety Rating Scale (HAMA) were recorded to evaluate their disease activity and emotional status. We found that depressive and anxiety disorders were common among SLE patients: 121 (68.8%) patients were in depression status while 14 (8.0%) patients could be diagnosed with depression. Accordingly, 101 (57.4%) were in anxiety status and 21 (11.9%) could be diagnosed with anxiety. Depression was associated with disease activity, and anxiety was associated with anti-P0 antibody, while both of them were associated with proteinuria. HAMA and HAMD scores were in strong positive correlation and they were independent risk factors of each other. We concluded that the high prevalence of depression and anxiety and the association between depression and SLE disease activity might reveal the covert damage of central nervous system in SLE. The role of anti-P0 antibody in SLE patients with emotional disorders warrants more researches.
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14
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Yu HH, Lee JH, Wang LC, Yang YH, Chiang BL. Neuropsychiatric manifestations in pediatric systemic lupus erythematosus: a 20-year study. Lupus 2016; 15:651-7. [PMID: 17120591 DOI: 10.1177/0961203306070990] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The objective of this study was to investigate the manifestations, treatment and outcome of neuropsychiatric (NP) involvement in pediatric systemic lupus erythematosus (SLE) patients. The charts of 185 pediatric patients with SLE diagnosed between 1985 and 2005 in a tertiary referral hospital were retrospectively reviewed. NPSLE were defined using the American College of Rheumatology NPSLE case definitions. NPSLE developed in 34.6% (64/185) of the patients. The mean onset age was 15.2 years. Fourteen patients (21.9%) had NP manifestations on initial diagnosis of SLE. The median duration from the onset of SLE to NP manifestation was 11 months. The most frequent NP manifestations were seizure disorder (84.4%), ischemic stroke (28.1%) and psychosis (21.9%). However, the prevalence of manifestations of NPSLE might be underestimated by the retrospective design of our study. Higher mean C3/C4 levels, less percentage of anti-dsDNA antibodies elevation and higher percentage of elevated anticardiolipin antibodies were observed in NPSLE events than in non-NPSLE events ( P 0.05). The mortality rate of NPSLE patients decreased from 52.2% in 1985–1994 cohort to 27.8% in 1995–2005 cohort. In the past 10 years, the leading cause of death in NPSLE patients was NPSLE itself. NPSLE is common in pediatric SLE patients. It has diverse manifestations and a high mortality.
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Affiliation(s)
- H H Yu
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan, Republic of China
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15
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Ho RC, Thiaghu C, Ong H, Lu Y, Ho CS, Tam WW, Zhang MW. A meta-analysis of serum and cerebrospinal fluid autoantibodies in neuropsychiatric systemic lupus erythematosus. Autoimmun Rev 2015; 15:124-38. [PMID: 26497108 DOI: 10.1016/j.autrev.2015.10.003] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 10/14/2015] [Indexed: 12/22/2022]
Abstract
Neuropsychiatric systemic lupus erythematosus (NPSLE) is one of the most devastating presentations of SLE and comprises of psychiatric, central and peripheral neurological signs and symptoms. Previous studies suggest the possible associations between various autoantibodies (Abs) and NPSLE. The magnitudes of such association varied between studies. We performed a meta-analysis to pool data on serum and cerebrospinal fluid (CSF) levels and positivity of Abs in blood and cerebrospinal fluid in patients with NPSLE and SLE. A systematic literature search was conducted to identify studies that fulfilled inclusion criteria. A random-effects model was used to calculate overall combined odd ratio (OR) and mean levels with its corresponding 95% confidence interval to evaluate the relationship between individual Abs and NPSLE patients relative to SLE patients. Forty-one studies met the inclusion criteria and were used in this analysis. There was a significantly greater proportion of NPSLE patients who demonstrated positivity for serum anti-cardiolipin (aCL) Abs (OR=1.63, p=0.016), lupus anticoagulants (LA) Abs (OR=1.91 p=0.01), anti-phospholipid (APL) Abs (OR=2.08, p=0.001), anti-ribosomal P Abs (OR=2.29, p<0.001), anti-neuronal Abs (OR=9.50, p<0.001) as compared to SLE patients. In NPSLE patients, there was a significant increased prevalence of positive titres for CSF anti-neuronal Abs (OR=36.84, p=0.001) as compared to SLE patients. Among the 19 neuropsychiatric syndromes, the positivity of these serum autoantibodies were found specifically significantly associated with the manifestations of mood disorder, psychosis, cerebrovascular disease, seizure disorders, acute confusional state, cognitive dysfunction, headache, movement disorder, demyelinating syndrome and polyneuropathy, with ORs ranging from 1.84 to 4.73. Meta-regression identified proportion of women as significant moderator for the heterogeneity of aCL (p=0.004) and anti-neuronal Abs (p=0.0007); mean age for the heterogeneity of aCL (p=0.042) and LA (p=0.020) Abs, mean duration of illness for the heterogeneity of aCL Abs (p=0.035), and mean SLEDAI scores for the heterogeneity of anti-ribosomal P Abs (p=0.014). NPSLE patients are more likely to have elevated serum levels of aCL, LA, APL, anti-ribosomal P Abs and anti-neuronal Abs compared with SLE patients. Further research is required to evaluate the accuracy of using the above antibodies as an adjunct diagnostic tool in NPSLE.
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Affiliation(s)
- Roger C Ho
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - C Thiaghu
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Huiyi Ong
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Yanxia Lu
- Department of Clinical Psychology and Psychiatry/School of Public Health, Zhejiang University College of Medicine, Hangzhou, China.
| | - Cyrus S Ho
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Wilson W Tam
- Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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Abstract
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by the presence of antinuclear antibodies and other autoantibodies, as well as a clinical course that is characterized by flares and remissions. The clinical presentation is diverse, ranging from a mild disease characterized by rash and arthritis to a severe life-threatening disease involving multiple organs. Approximately 25% of children with SLE have neuropsychiatric manifestations of SLE, which are a major cause of morbidity and mortality. Neuropsychiatric symptoms may be the initial presentation of SLE in children. The mortality rate is relatively low, but morbidity may be significant and permanent damage can occur. This article discusses the importance, known pathophysiologic mechanisms, clinical approach, and evidence-based therapeutic options for the diagnosis and management of neuropsychiatric lupus erythematosus in children and adolescents.
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Cambridge Neuropsychological Test Automated Battery in assessment of cognitive parameters in patients with systemic lupus erythematosus in relation to autoantibody profile. Reumatologia 2015; 53:131-8. [PMID: 27407239 PMCID: PMC4847298 DOI: 10.5114/reum.2015.53134] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 06/12/2015] [Indexed: 11/29/2022] Open
Abstract
Objectives To relate the cognitive parameters of systemic lupus erythematosus (SLE) patients in remission to their profile of autoantibodies. Material and methods The study included 32 patients with SLE in remission, with mild disease activity as indicated by SELENA-SLEDAI < 6. For neuropsychological assessment, the Cambridge Neuropsychological Test Automated Battery (CANTAB) was applied, using motor screening (MOT), big little circle (BLC), paired associated learning (PAL), stockings of Cambridge (SOC), and graded naming tests (GNT). Detection of autoantibodies against dsDNA, nucleosome (aNuc), Sm, and anticardiolipin (aCL: IgG and IgM) was performed with immunoassays. Results The SLE patients demonstrated standard scores below norms, matched according to age and gender, in the following tests: GNT (–0.87 ±0.85), SOC PSMM (–0.47 ±0.97), PAL (–1.88 ±3.58), and BLC (–0.31 ±1.90). GNT scores under –0.5 were found significantly more frequently in SLE patients, seen in roughly 66% of test subjects. Values for PAL and mean subsequent thinking time of stockings of Cambridge (SOC MSTT) were found to be lower than –0.5 in approximately half of the patients. Mean error of motor screening (MOT ME) was found to negatively correlate with mean latency of motor screening (MOT ML) (r = –0.55). PAL significantly correlated with SOC MSTT (r = 0.38) and with GNT (r = 0.36). Anti-dsDNA antibody level correlated negatively with MOT ME (r = –0.46). Anti-Nuc antibodies correlated with MOT ML (r = 0.41) but negatively correlated with MOT ME (r = –0.58). The levels of anti-Sm, anti-CL IgM and IgG did not correlate significantly with the outcomes of CANTAB. The age of the patients correlated negatively with MOT ME (r = –0.36), positively with BLC (r = 0.53) and negatively with SOC MSTT (r = –0.43). The level of anti-Nuc antibodies correlated with anti-dsDNA level (r = 0.62) and of anti-CL IgM with anti-Sm (r = 0.39) and anti-CL IgG (r = 0.87). Conclusions CANTAB reveals a decrease in selected cognitive functions in patients with SLE. ACL IgG and anti-dsDNA antibodies indicated SLE patients prone to develop a decrease in cognitive functions.
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Bravo-Zehnder M, Toledo EM, Segovia-Miranda F, Serrano FG, Benito MJ, Metz C, Retamal C, Álvarez A, Massardo L, Inestrosa NC, González A. Anti-Ribosomal P Protein Autoantibodies From Patients With Neuropsychiatric Lupus Impair Memory in Mice. Arthritis Rheumatol 2014; 67:204-14. [DOI: 10.1002/art.38900] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 09/25/2014] [Indexed: 12/22/2022]
Affiliation(s)
| | | | | | | | | | - Claudia Metz
- Pontificia Universidad Católica de Chile; Santiago Chile
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Jeltsch-David H, Muller S. Neuropsychiatric systemic lupus erythematosus: pathogenesis and biomarkers. Nat Rev Neurol 2014; 10:579-96. [DOI: 10.1038/nrneurol.2014.148] [Citation(s) in RCA: 174] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Pradhan V, Patwardhan M, Rajadhyaksha A, Dhawale N, Ghosh K. Neuropsychiatric manifestations and associated autoantibodies in systemic lupus erythematosus patients from Western India. Rheumatol Int 2014; 35:541-5. [DOI: 10.1007/s00296-014-3114-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 08/04/2014] [Indexed: 12/24/2022]
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Antibody-specific behavioral effects: Intracerebroventricular injection of antiphospholipid antibodies induces hyperactive behavior while anti-ribosomal-P antibodies induces depression and smell deficits in mice. J Neuroimmunol 2014; 272:10-5. [DOI: 10.1016/j.jneuroim.2014.04.003] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 04/07/2014] [Accepted: 04/08/2014] [Indexed: 11/20/2022]
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Sciascia S, Bertolaccini ML, Roccatello D, Khamashta MA, Sanna G. Autoantibodies involved in neuropsychiatric manifestations associated with systemic lupus erythematosus: a systematic review. J Neurol 2014; 261:1706-14. [DOI: 10.1007/s00415-014-7406-8] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2014] [Revised: 06/05/2014] [Accepted: 06/06/2014] [Indexed: 11/28/2022]
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Abraham M, Derk CT. Anti-ribosomal-P antibodies in lupus nephritis, neuropsychiatric lupus, lupus hepatitis, and Chagas' disease: promising yet limited in clinical utility. Rheumatol Int 2014; 35:27-33. [PMID: 24906575 DOI: 10.1007/s00296-014-3058-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 05/27/2014] [Indexed: 11/29/2022]
Abstract
Anti-P antibodies have been associated with organ involvement in SLE, such as in autoimmune hepatitis, and have been suggested to be directly pathogenic. Neuropsychiatric lupus, lupoid hepatitis, autoimmune hepatitis, lupus nephritis, and Chagas' disease have been associated with the presence of anti-P antibody. This review seeks to look into the current literature on anti-P antibody and the association between SLE and non-SLE autoimmune connective tissue disorder.
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Affiliation(s)
- Mary Abraham
- Department of Medicine, Drexel University, Philadelphia, PA, USA
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Stock AD, Wen J, Putterman C. Neuropsychiatric Lupus, the Blood Brain Barrier, and the TWEAK/Fn14 Pathway. Front Immunol 2013; 4:484. [PMID: 24400009 PMCID: PMC3872310 DOI: 10.3389/fimmu.2013.00484] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 12/10/2013] [Indexed: 11/13/2022] Open
Abstract
Patients with systemic lupus erythematosus (SLE) can experience acute neurological events such as seizures, cerebrovascular accidents, and delirium, psychiatric conditions including depression, anxiety, and psychosis, as well as memory loss and general cognitive decline. Neuropsychiatric SLE (NPSLE) occurs in between 30 and 40% of SLE patients, can constitute the initial patient presentation, and may occur outside the greater context of an SLE flare. Current efforts to elucidate the mechanistic underpinnings of NPSLE are focused on several different and potentially complementary pathways, including thrombosis, brain autoreactive antibodies, and complement deposition. Furthermore, significant effort is dedicated to understanding the contribution of neuroinflammation induced by TNF, IL-1, IL-6, and IFN-γ. More recent studies have pointed to a possible role for the TNF family ligand TWEAK in the pathogenesis of neuropsychiatric disease in human lupus patients, and in a murine model of this disease. The blood brain barrier (BBB) consists of tight junctions between endothelial cells (ECs) and astrocytic projections which regulate paracellular and transcellular flow into the central nervous system (CNS), respectively. Given the privileged environment of the CNS, an important question is whether and how the integrity of the BBB is compromised in NPSLE, and its potential pathogenic role. Evidence of BBB violation in NPSLE includes changes in the albumin quotient (Qalb) between plasma and cerebrospinal fluid, activation of brain ECs, and magnetic resonance imaging. This review summarizes the evidence implicating BBB damage as an important component in NPSLE development, occurring via damage to barrier integrity by environmental triggers such as infection and stress; cerebrovascular ischemia as result of a generally prothrombotic state; and immune mediated EC activation, mediated by antibodies and/or inflammatory cytokines. Additionally, new evidence supporting the role of TWEAK/Fn14 signaling in compromising the integrity of the BBB in lupus will be presented.
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Affiliation(s)
- Ariel D Stock
- Department of Microbiology and Immunology, Albert Einstein College of Medicine , Bronx, NY , USA
| | - Jing Wen
- Department of Microbiology and Immunology, Albert Einstein College of Medicine , Bronx, NY , USA
| | - Chaim Putterman
- Department of Microbiology and Immunology, Albert Einstein College of Medicine , Bronx, NY , USA ; Division of Rheumatology, Albert Einstein College of Medicine , Bronx, NY , USA
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Linz K, Miller BJ. Meta-analysis of anti-ribosomal P antibodies in lupus psychosis. World J Meta-Anal 2013; 1:121-129. [DOI: 10.13105/wjma.v1.i3.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 10/03/2013] [Accepted: 10/20/2013] [Indexed: 02/05/2023] Open
Abstract
AIM: To perform a meta-analysis of the prevalence of anti-ribosomal P (aRP) antibodies in lupus psychosis, and the odds of psychosis in aRP-positive subjects.
METHODS: We identified articles by searching PubMed, PsychInfo, and ISI, and the reference lists of identified studies.
RESULTS: Twenty-four studies met the inclusion criteria. Positive aRP antibodies were found in 51% (91 of 179 total cases) of cases of lupus psychosis. There was an almost 3.5-fold increased odds of psychosis in aRP-positive patients (OR = 3.46, 95%CI: 1.97-6.09, P < 0.001). The population attributable risk percentage was 36% for aRP antibodies.
CONCLUSION: aRP antibodies are common in lupus psychosis, although the potential mechanism(s) underlying this association remain unclear. Given the overlap between the clinical presentation and risk factors for lupus psychosis and schizophrenia, further investigation of aRP antibodies in schizophrenia is warranted.
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26
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van Exel E, Jacobs J, Korswagen LA, Voskuyl AE, Stek M, Dekker J, Bultink IEM. Depression in systemic lupus erythematosus, dependent on or independent of severity of disease. Lupus 2013; 22:1462-9. [PMID: 24135079 DOI: 10.1177/0961203313508443] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVES To estimate the prevalence of depression in subjects with systemic lupus erythematosus (SLE) in relation to the general population and to unravel the relation between depression and SLE disease characteristics. METHODS One hundred and two subjects with SLE (mean age 44.4 years) were studied using the Beck Depression Inventory (BDI) score to estimate the prevalence of depression. The BDI scores in subjects with SLE were compared with BDI scores from a pan-European population based study (Outcome in Depression International Network (ODIN) study, n = 7934), i.e. the general population. RESULTS The mean BDI score was higher in SLE subjects (10.1 points) compared with the BDI scores derived from the general population (10.1 versus 5.6 points, respectively, p < 0.001). This corresponds to a prevalence of depression of 16.6% and 6.7%, respectively. There was no association between disease activity or organ damage and BDI scores in subjects with SLE (p > 0.1). Only 7% of SLE subjects with high BDI scores used antidepressants. CONCLUSION The mean BDI score and prevalence of depression are significantly higher in SLE subjects compared with the general population. No association was found between SLE disease characteristics and BDI scores. The number of depressed SLE subjects treated with antidepressants is low, suggesting inadequate recognition and treatment of depression in SLE.
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Affiliation(s)
- E van Exel
- 1Department of Psychiatry, VU University Medical Center, the Netherlands
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27
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Palagini L, Mosca M, Tani C, Gemignani A, Mauri M, Bombardieri S. Depression and systemic lupus erythematosus: a systematic review. Lupus 2013; 22:409-16. [DOI: 10.1177/0961203313477227] [Citation(s) in RCA: 127] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objective Systemic lupus erythematosus (SLE) is a chronic, relapsing–remitting autoimmune disorder that involves multiple organ systems including the central nervous system. Among the items included in the nomenclature for neuropsychiatric SLE, mood disorders have been identified. The aim of this paper is to review the clinical and psychobiological relationship between depression and SLE. Method We performed a systematic search of MEDLINE, EMBASE, PsychINFO, using MeSH headings and keywords for ‘depression’ and ‘SLE’. Results Seventeen studies reported depressive disorders, with prevalence rates in the range 17–75%. Three studies reported the most frequent symptoms, which may be represented by fatigue, weakness, somatic disorders and sleep disorders. Suicide ideation was much higher than in the general population. Nine studies analysed the relationship to SLE disease activity. The results of the available literature are contradictory. Psychobiological hypotheses have been considered in 13 studies. Among the psychobiological hypotheses which might underline the plausibility of their relationship, ‘psychosocial factors’ were the most frequently reported. Conclusions Differences in assessment techniques appear to be the main explanation for the variability in findings and important methodological limitations are present in the available literature to definitively point to the prevalence of depression, type of depression and most prevalent symptoms. To date, the relationship between depression and SLE disease activity also appears controversial. Methodological limitations are present in the available literature and it would be necessary to develop evidence-based guidelines to improve the diagnosis of depression in SLE. Identification of SLE-specific biomarkers of depression also has high priority.
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Affiliation(s)
- L Palagini
- Psychiatry Unit, Department of Neuroscience, University of Pisa, Italy
| | - M Mosca
- Rheumatology Unit, Department of Internal Medicine, University of Pisa, Italy
| | - C Tani
- Rheumatology Unit, Department of Internal Medicine, University of Pisa, Italy
| | - A Gemignani
- Department of Physiological Sciences, University of Pisa, Italy Extreme Centre, Italy
| | - M Mauri
- Psychiatry Unit, Department of Neuroscience, University of Pisa, Italy
| | - S Bombardieri
- Rheumatology Unit, Department of Internal Medicine, University of Pisa, Italy
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Li J, Shen Y, He J, Jia R, Wang X, Chen X, Wang D, Han L, Zhu L, Chi X, Saschenbrecker S, Dähnrich C, Stöcker W, Schlumberger W, Li ZG. Significance of antibodies against the native ribosomal P protein complex and recombinant P0, P1, and P2 proteins in the diagnosis of Chinese patients with systemic lupus erythematosus. J Clin Lab Anal 2013; 27:87-95. [PMID: 23400861 DOI: 10.1002/jcla.21543] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2011] [Accepted: 08/02/2012] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND This study aimed to evaluate autoantibodies against the native ribosomal P complex (anti-Rib-P(C)) and recombinant ribosomal P proteins (anti-Rib-P0, anti-Rib-P1, anti-Rib-P2) for their prevalence, diagnostic relevance and clinical associations in a Chinese cohort with systemic lupus erythematosus (SLE). METHODS Anti-Rib-P, anti-dsDNA and anti-Smith antigen (Sm) antibodies were analyzed in sera from 198 patients with SLE, 33 with rheumatoid arthritis, 61 with Sjögren's syndrome and 70 healthy individuals by means of ELISA. RESULTS Antibody prevalences were 29.8% (anti-Rib-P(C)), 33.3% (anti-Rib-P0), 42.9% (anti-Rib-P1) and 34.3% (anti-Rib-P2), at a specificity of 99%. Among SLE patients lacking anti-dsDNA and anti-Sm, 27.8% showed positive for at least one of the investigated anti-Rib-P types. The serological hit rate provided by anti-dsDNA/anti-Sm detection (72.7%) was increased upon parallel testing for anti-Rib-P(C) (77.3%) or anti-Rib-P0/P1/P2 (80.3%). Anti-Rib-P positivity was associated with disease activity, neuropsychiatric events, lupus nephritis, skin rash, lymphocytopenia, increased erythrocyte sedimentation rates, decreased complement C3/C4 and elevated IgA/IgG levels. CONCLUSION Based on these results, antibodies against ribosomal P proteins are important complementary parameters to anti-dsDNA and anti-Sm, and should be considered for inclusion in the classification criteria for SLE. The diagnostic value of anti-Rib-P0/P1/P2 is diagnostically superior to that of anti-Rib-P(C).
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Affiliation(s)
- Jing Li
- Department of Rheumatology and Immunology, People's Hospital, Peking University Medical School, Beijing, China
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Abstract
The etiopathology of somatoform disorders can only be understood against the background of an integrated biopsychosocial model. Cultural and historical influences must be taken into account as well as contemporary settings of scientific or medical priorities. In this context the emphasis on neurobiological findings can be interpreted as the non-accidental struggle for legitimacy of both patients and physicians. Altogether the available data on factors influencing the formation and maintenance of somatoform symptoms has to be described as both diverse and unspecific and thus points to a challenging research program in the coming years.
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30
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Jung JY, Kim HA, Joo IS, Won JH, Koh BR, Park JJ, Kwak JY, Choi YW, Kim DH, Suh CH. Guillain-Barre Syndrome, Antiphospholipid Syndrome and Lupus Nephritis as Initial Manifestation of Systemic Lupus Erythematosus. JOURNAL OF RHEUMATIC DISEASES 2012. [DOI: 10.4078/jrd.2012.19.5.274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ju-Yang Jung
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Hyoun-Ah Kim
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - In-Soo Joo
- Department of Neurology, Ajou University School of Medicine, Suwon, Korea
| | - Je-Hwan Won
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
| | - Bo-Ram Koh
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Jin-Ju Park
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Ji-Yeong Kwak
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Yong-Woo Choi
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Dong-Hoon Kim
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Chang-Hee Suh
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
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Abstract
Abnormal autoimmune activity has been implicated in a number of neuropsychiatric disorders. In this review, the authors discuss a newly recognized class of synaptic autoimmune encephalitides as well as behavioral and cognitive manifestations of systemic autoimmune diseases.
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Affiliation(s)
- Matthew S Kayser
- Department of Psychiatry, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Cal SFLDM. Revisão da literatura sobre a eficácia da intervenção psicológica no tratamento do lúpus eritematoso sistêmico. PSICOLOGIA: TEORIA E PESQUISA 2011. [DOI: 10.1590/s0102-37722011000400012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Manifestações neuropsiquiátricas são comuns no lúpus eritematoso sistêmico (LES), especialmente depressão, ansiedade e psicose. O estresse psicológico e o uso de corticóide têm sido responsabilizados pelas manifestações psicopatológicas. Objetivou-se realizar revisão de literatura sobre a eficácia da intervenção psicológica no tratamento do LES, utilizando-se pesquisas em bases de dados, através dos descritores "psychotherapy" and "lupus", incluindo-se os ensaios clínicos randomizados e os estudos prospectivos. Foram encontrados seis artigos, sendo quatro ensaios clínicos randomizados e dois estudos prospectivos. Cinco artigos encontraram evidências de acentuada melhora nos pacientes que tinham acompanhamento psicológico e apenas um não encontrou tal evidência. Concluiu-se que a intervenção psicológica pode ser uma ferramenta importante no tratamento do LES.
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Kayser MS, Dalmau J. The emerging link between autoimmune disorders and neuropsychiatric disease. J Neuropsychiatry Clin Neurosci 2011; 23:90-7. [PMID: 21304144 PMCID: PMC3086677 DOI: 10.1176/jnp.23.1.jnp90] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Abnormal autoimmune activity has been implicated in a number of neuropsychiatric disorders. In this review, the authors discuss a newly recognized class of synaptic autoimmune encephalitides as well as behavioral and cognitive manifestations of systemic autoimmune diseases.
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Affiliation(s)
- Matthew S. Kayser
- Department of Psychiatry, at the University of Pennsylvania in Philadelphia
| | - Josep Dalmau
- Department of Neurology, at the University of Pennsylvania in Philadelphia
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Mahler M, Agmon-Levin N, van Liempt M, Shoenfeld Y, Waka A, Hiepe F, Swart A, Gürtler I, Fritzler MJ. Multi-center evaluation of autoantibodies to the major ribosomal P C22 epitope. Rheumatol Int 2010; 32:691-8. [DOI: 10.1007/s00296-010-1685-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2010] [Accepted: 11/14/2010] [Indexed: 12/29/2022]
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Nizam S, Gough A. Psychosis in a young female – a diagnostic and therapeutic challenge. JRSM SHORT REPORTS 2010; 1:22. [PMID: 21103114 PMCID: PMC2984349 DOI: 10.1258/shorts.2010.010025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Sharmin Nizam
- Leeds Teaching Hospitals NHS Trust – Academic Unit of Musculoskeletal Medicine, Leeds, UK
| | - Andrew Gough
- Department of Rheumatology, Harrogate District Hospital, Leeds, UK
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Alba P, Bertolaccini ML, Khamashta MA. The use of laboratory methods in differential diagnosis and treatment of SLE and antiphospholipid syndrome. Expert Rev Clin Immunol 2010; 3:613-22. [PMID: 20477165 DOI: 10.1586/1744666x.3.4.613] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The detection of autoantibodies has become an important component in the diagnosis and management of systemic lupus erythematosus (SLE) and antiphospholipid syndrome. Their importance lies in the fact that they are not only markers of the disease and used as part of a diagnostic panel, but many of them also show correlation with disease activity. All antibody testing should be interpreted in the context of the clinical features. The antinuclear antibodies test is an effective screening assay in patients with clinical features of SLE. The combination of antinuclear antibodies test, dsDNA and ENA (Ro, La, Sm, RNP) antibodies help to establish the diagnosis of most patients with SLE. New antibodies, such as antinucleosomes and anti-C1q, appear to be useful for SLE diagnosis, monitoring disease activity and predicting renal flares, particularly in dsDNA-negative patients. Anticardiolipin antibodies and lupus anticoagulant are the tests most commonly used in the diagnosis of antiphospholipid syndrome. However, the use of anti-beta(2)-glycoprotein I as a routine diagnostic test remains controversial.
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Affiliation(s)
- Paula Alba
- Servicio de Reumatologìa Hospital Còrdoba, Unidad Hospitalaria Medicina Interna 3, Universidad Nacional de Còrdoba, Còrdoba, Repùblica Argentina.
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Kellner ES, Lee PY, Li Y, Switanek J, Zhuang H, Segal MS, Sobel ES, Satoh M, Reeves WH. Endogenous type-I interferon activity is not associated with depression or fatigue in systemic lupus erythematosus. J Neuroimmunol 2010; 223:13-9. [PMID: 20416954 PMCID: PMC3580233 DOI: 10.1016/j.jneuroim.2010.03.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Revised: 03/25/2010] [Accepted: 03/26/2010] [Indexed: 11/27/2022]
Abstract
Patients with systemic lupus erythematosus (SLE) often suffer from depression and fatigue in addition to the physical manifestations of the autoimmune disease. Elevated production of type-I interferons (IFN-I) has been found in lupus patients and IFN-I can precipitate a variety of neuropsychiatric side effects. This study was conducted to evaluate the relationship between dysregulated IFN-I production and the presence of depression or fatigue in lupus patients. Through cross-sectional and longitudinal analysis we found no significant correlation between abnormal IFN-I levels (as measured by peripheral blood expression of IFN-I-stimulated genes) and neuropsychiatric manifestations. Elevation of endogenous serum IFN-I levels is unlikely to account for the depression and fatigue associated with SLE.
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Affiliation(s)
- Erinn S. Kellner
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
| | - Pui Y. Lee
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
- Division of Nephrology, Hypertension and Transplantation, University of Florida, Gainesville, FL 32610
| | - Yi Li
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
| | - Juliana Switanek
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
| | - Haoyang Zhuang
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
| | - Mark S. Segal
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
- Division of Nephrology, Hypertension and Transplantation, University of Florida, Gainesville, FL 32610
| | - Eric S. Sobel
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610
| | - Minoru Satoh
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610
| | - Westley H. Reeves
- Division of Rheumatology & Clinical Immunology and Center for Autoimmune Disease, University of Florida, Gainesville, FL 32610
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610
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Cutaneous vasculitis in systemic lupus erythematosus: association with anti-ribosomal P protein antibody and Raynaud phenomenon. Clin Rheumatol 2010; 30:173-7. [PMID: 20349257 DOI: 10.1007/s10067-010-1432-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2009] [Revised: 12/29/2009] [Accepted: 03/10/2010] [Indexed: 10/19/2022]
Abstract
Ninety-one consecutive systemic lupus erythematosus (SLE) patients (American College of Rheumatology criteria) with a history of cutaneous vasculitis were compared to 163 SLE controls without this clinical manifestation from July to December 2007 in order to determine the possible clinical and serological association of this manifestation. Data were obtained in an ongoing electronic database protocol and autoantibodies to anti-double-stranded DNA, anti-Sm, anti-RNP, anti-Ro/SS-A, anti-La/SS-B, and anticardiolipin and ribosomal P protein antibody (anti-P) were detected by standard techniques. Exclusion criteria were the presence of anti-phospholipid syndrome or antibodies, Sjögren syndrome, and a history of thrombosis. The mean age (38.5 ± 11.5 vs. 37.8 ± 11.6 years, p = 0.635), disease duration (12.5 ± 7.8 vs. 11.8 ± 7.9 years, p = 0.501), and frequency of white race (71.4% vs. 70.5%, p = 0.872) and female sex (96.8% vs. 93.7%, p = 0.272) were comparable in both groups. The vasculitis group had a higher frequency of malar rash (97.9% vs. 87.4%, p = 0.004), photosensitivity (91.4% vs. 81.6%, p = 0.030), and Raynaud phenomenon (RP; 27.7% vs. 7.5%, p < 0.001), whereas all other clinical manifestation including renal and central nervous system involvements were similar to the control group. Laboratorial data revealed that only anti-P (35.1% vs. 12.1%, p < 0.001) was more frequent in patients with vasculitis. In a multivariate logistic regression model, cutaneous vasculitis was associated to the presence of RP (OR = 3.70; 95% confidence interval [CI] = 1.73-8.00) and anti-P (OR = 3.42; 95% CI = 1.76-6.66). In summary, SLE cutaneous vasculitis characterizes a subgroup of patients with more RP and anti-P antibodies but not accompanied by a higher frequency of renal and central nervous system involvements.
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Haddouk S, Marzouk S, Jallouli M, Fourati H, Frigui M, Hmida YBH, Koubaa F, Sellami W, Baklouti S, Hachicha J, Bahloul Z, Masmoudi H. Clinical and diagnostic value of ribosomal P autoantibodies in systemic lupus erythematosus. Rheumatology (Oxford) 2009; 48:953-7. [PMID: 19502474 DOI: 10.1093/rheumatology/kep142] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
OBJECTIVE To analyse prospectively the diagnostic sensitivity and specificity as well as the clinical relevance of ribosomal P (anti-P) autoantibodies in a large cohort of SLE patients. METHODS The anti-P autoantibodies were evaluated in the serum of 200 Tunisian SLE patients at disease onset and 130 various control subjects by a sensitive immunodot assay. A complete laboratory evaluation and clinical examination were performed in each SLE patient. During the follow-up, the patients were regularly monitored for clinical parameters. Global SLE activity was measured by the ECLAM. RESULTS The sensitivity and specificity of anti-P testing for SLE were 23.5 and 98.4%, respectively. The anti-P-positive samples 14/47 (29.8%), 27/47 (57.4%) and 5/47 (10.6%) were negative for anti-dsDNA, anti-Sm or both antibodies, respectively. The anti-P-positive patients showed more active disease activity and a much higher prevalence of arthritis. An association between IgG aCLs and anti-P antibodies was also found. However, anti-P antibodies were not associated with neuropsychiatric manifestations or lupus nephritis. CONCLUSION This study does not seem to confirm the described association of anti-P antibodies with neuropsychiatric manifestations of SLE. However, it supports the anti-P antibody association with arthritis and disease activity as well as the presence of aCL. Based on our study and other related studies, we propose that, akin to anti-Sm and anti-dsDNA, anti-P antibodies detected by one agreed method may be considered for inclusion as a criterion for the classification of SLE.
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Affiliation(s)
- Samy Haddouk
- Immunology Laboratory, Habib Bourguiba University Hospital of Sfax, Sfax, Tunisia.
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Colasanti T, Delunardo F, Margutti P, Vacirca D, Piro E, Siracusano A, Ortona E. Autoantibodies involved in neuropsychiatric manifestations associated with systemic lupus erythematosus. J Neuroimmunol 2009; 212:3-9. [PMID: 19500858 DOI: 10.1016/j.jneuroim.2009.05.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2009] [Revised: 05/04/2009] [Accepted: 05/04/2009] [Indexed: 12/15/2022]
Abstract
In the course of Systemic Lupus Erythematosus (SLE), a variety of neuropsychiatric disturbances is reported with a prevalence ranging from 17% to 75%. The diagnosis of these syndromes is difficult and requires a careful psychiatric evaluation. Distinct autoantibodies detectable in serum or cerebrospinal fluid of patients with SLE are associated with the presence of neuropsychiatric disorders. These autoantibodies may have a pathogenic relevance in neuropsychiatric SLE or they may be merely an epiphenomenon. This review describes the various autoantibodies reported to be associated with neuropsychiatric manifestations in SLE and discusses their possible role.
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Affiliation(s)
- Tania Colasanti
- Department of Infectious, Parasitic and Immune-Mediated Diseases Istituto Superiore di Sanità, Rome, Italy
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Martínez Valle F, Ordi-Ros J, Vilardell-Tarrés M. Manifestaciones neuropsiquiátricas en el lupus eritematoso sistémico. Med Clin (Barc) 2009; 132:797-801. [DOI: 10.1016/j.medcli.2009.02.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2008] [Accepted: 02/26/2009] [Indexed: 12/19/2022]
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Gao HX, Campbell SR, Cui MH, Zong P, Hee-Hwang J, Gulinello M, Putterman C. Depression is an early disease manifestation in lupus-prone MRL/lpr mice. J Neuroimmunol 2009; 207:45-56. [PMID: 19121871 DOI: 10.1016/j.jneuroim.2008.11.009] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2008] [Revised: 11/06/2008] [Accepted: 11/06/2008] [Indexed: 12/25/2022]
Abstract
Many lupus patients develop neuropsychiatric manifestations, including cognitive dysfunction, depression, and anxiety. However, it is not clear if neuropsychiatric lupus is a primary disease manifestation, or is secondary to non-CNS disease. We found that MRL/lpr lupus-prone mice exhibited significant depression-like behavior already at 8 weeks of age, despite normal visual working memory, locomotor coordination and social preference. Moreover, depression was significantly correlated with titers of autoantibodies against DNA, NMDA receptors and cardiolipin. Our results indicate that lupus mice develop depression and CNS dysfunction very early in the course of disease, in the absence of substantial pathology involving other target organs.
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Affiliation(s)
- Hua-Xin Gao
- The Department of Microbiology & Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
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Autoimmune pathology accounts for common manifestations in a wide range of neuro-psychiatric disorders: the olfactory and immune system interrelationship. Clin Immunol 2008; 130:235-43. [PMID: 19097945 DOI: 10.1016/j.clim.2008.10.010] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2008] [Revised: 10/12/2008] [Accepted: 10/14/2008] [Indexed: 12/12/2022]
Abstract
Smell has traditionally been considered a less important sense when compared to sight or hearing, but recent research has unraveled important features inherent to the sense of smell. Once considered just a chemical sensor for sampling the environment, data from animal models and human studies currently imply numerous and complex effects of smell on behavior, mood, and on the immune response. In this review we discuss a possible inter-relationship between olfactory impairment, autoimmunity and neurological/psychiatric symptoms in several diseases affecting the central nervous system (CNS) such as Parkinson, Alzheimer's disease, autism, schizophrenia, multiple sclerosis and neuropsychiatric lupus erythematosus. We suggest that common manifestations are not mere coincidences. Current data from animal models show that neuropsychiatric manifestations are intimately associated with smell impairment, and autoimmune dysregulation, via autoantibodies (anti-NMDAR, anti-ribosomal P) or other mechanisms. From clues of pathological manifestations, we propose a novel approach to the understanding of the interactions between the CNS, the smell and the immune system.
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Katzav A, Ben-Ziv T, Chapman J, Blank M, Reichlin M, Shoenfeld Y. Anti-P ribosomal antibodies induce defect in smell capability in a model of CNS -SLE (depression). J Autoimmun 2008; 31:393-8. [DOI: 10.1016/j.jaut.2008.09.002] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2008] [Revised: 09/02/2008] [Accepted: 09/03/2008] [Indexed: 12/29/2022]
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Mahler M, Ngo JT, Schulte-Pelkum J, Luettich T, Fritzler MJ. Limited reliability of the indirect immunofluorescence technique for the detection of anti-Rib-P antibodies. Arthritis Res Ther 2008; 10:R131. [PMID: 19000323 PMCID: PMC2656233 DOI: 10.1186/ar2548] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Revised: 10/26/2008] [Accepted: 11/11/2008] [Indexed: 12/26/2022] Open
Abstract
Introduction Autoantibodies to the ribosomal P proteins represent a highly specific marker for the diagnosis of systemic lupus erythematosus, where they have been associated with certain clinical manifestations. Historically, autoantibodies against ribosomal P proteins have been detected by indirect immunofluorescence, immunodiffusion, immunoblot, and other immunoassays. More recently, enzyme-linked immunosorbent assays and line and addressable laser bead immunoassays have become more widely used. The primary goal of this study was to determine the sensitivity of indirect immunofluorescence using conventional HEp-2 substrates in the detection of sera with ribosomal P antibodies as detected by other immunoassays. Methods Anti-ribosomal P-positive sera (n = 345) as detected by an addressable laser bead immunoassay were collected between 2003 and 2007 and analysed by indirect immunofluorescence. Furthermore, 51 anti-ribosomal P-positive samples from an unselected systemic lupus erythematosus cohort (n = 100) and the Centers for Disease Control and Prevention (CDC) anti-nuclear antibody (ANA) reference sera were tested for anti-ribosomal P reactivity. Results In the cohort of 345 anti-ribosomal P-positive samples identified by addressable laser bead immunoassay, a low sensitivity (<30%) of indirect immunofluorescence on HEp-2 cell substrates was observed. Although the degree of sensitivity varied among different manufacturers, all immunofluorescence substrates exhibited limited sensitivity and false-negative results were not restricted to samples with low anti-ribosomal P titers. Even the anti-ribosomal P reactivity of CDC ANA reference serum number 12 was not clearly predictable by indirect immunofluorescence. Comparison of five different methods for the detection of anti-ribosomal P found moderate qualitative agreements. Conclusions Based on our data, we conclude that indirect immunofluorescence on HEp-2 cells is not a reliable screening test for the prediction of ribosomal P antibodies. As this method is widely used as a first-line screening test for anti-nuclear and other autoantibodies, special considerations for the detection of ribosomal P antibodies are needed. As with many other autoantibodies, further effort is required for the standardisation of ribosomal P immunoassays.
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Abstract
Systemic lupus erythematosus is a systemic autoimmune disease characterized by the production of antinuclear antibodies (ANAs). Recent research into human and murine lupus suggests that disease susceptibility results from genetic polymorphisms regulating immune responses as well as impairing the clearance of apoptotic cells. Because the products of dead cells, including nucleic acids, have immunologic activity, this situation can promote antigen-driven ANA responses. Furthermore, immune complexes of ANAs can drive the production of proinflammatory cytokines, inducing the 'interferon signature', and intensifying disease. Together, these findings point to new genetic and immunologic markers of disease as well as targets for new therapies.
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Affiliation(s)
- Stacy P Ardoin
- Department of Pediatrics, Duke University Medical Center, 2301 Erwin Road, Durham, NC 27710, USA.
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Strous RD, Shoenfeld Y. Behavioral changes in systemic lupus erythematosus are of an autoimmune nature. ACTA ACUST UNITED AC 2007; 3:592-3. [PMID: 17876355 DOI: 10.1038/ncprheum0622] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2007] [Accepted: 08/21/2007] [Indexed: 11/10/2022]
Affiliation(s)
- Rael D Strous
- Beer Yaakov Mental Health Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Matus S, Burgos PV, Bravo-Zehnder M, Kraft R, Porras OH, Farías P, Barros LF, Torrealba F, Massardo L, Jacobelli S, González A. Antiribosomal-P autoantibodies from psychiatric lupus target a novel neuronal surface protein causing calcium influx and apoptosis. ACTA ACUST UNITED AC 2007; 204:3221-34. [PMID: 18056288 PMCID: PMC2150977 DOI: 10.1084/jem.20071285] [Citation(s) in RCA: 135] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The interesting observation was made 20 years ago that psychotic manifestations in patients with systemic lupus erythematosus are associated with the production of antiribosomal-P protein (anti-P) autoantibodies. Since then, the pathogenic role of anti-P antibodies has attracted considerable attention, giving rise to long-term controversies as evidence has either contradicted or confirmed their clinical association with lupus psychosis. Furthermore, a plausible mechanism supporting an anti-P-mediated neuronal dysfunction is still lacking. We show that anti-P antibodies recognize a new integral membrane protein of the neuronal cell surface. In the brain, this neuronal surface P antigen (NSPA) is preferentially distributed in areas involved in memory, cognition, and emotion. When added to brain cellular cultures, anti-P antibodies caused a rapid and sustained increase in calcium influx in neurons, resulting in apoptotic cell death. In contrast, astrocytes, which do not express NSPA, were not affected. Injection of anti-P antibodies into the brain of living rats also triggered neuronal death by apoptosis. These results demonstrate a neuropathogenic potential of anti-P antibodies and contribute a mechanistic basis for psychiatric lupus. They also provide a molecular target for future exploration of this and other psychiatric diseases.
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Affiliation(s)
- Soledad Matus
- Departamento de Inmunología Clínica y Reumatología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago 8330025, Chile
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Blank M, Beinglass I, Shoenfeld Y. The therapeutic potential of targeting anti-Ribosomal-P antibody in treating SLE patients with depression. Expert Opin Biol Ther 2007; 7:1283-5. [PMID: 17727319 DOI: 10.1517/14712598.7.9.1283] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Neuropsychiatric systemic lupus erythematosus (NPSLE) involves the central and peripheral nervous system. The pathogenesis of NPSLE is poorly understood. The condition is recognised as one of the major causes of mortality in SLE patients. The main autoantibody population associated with NPSLE is directed to ribosomal-phosphoproteins (anti-Ribos.P), which can bind the limbic area of mouse brain and penetrate into neuronal cells in vitro. Intracerebroventricular injection of these antibodies, induce experimental depression-like models in naive mice. Based on these observations, targeting anti-Ribos.P antibodies may be a new therapeutic approach to treat NPSLE patients with depression.
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Caponi L, Anzilotti C, Longombardo G, Migliorini P. Antibodies directed against ribosomal P proteins cross-react with phospholipids. Clin Exp Immunol 2007; 150:140-3. [PMID: 17680825 PMCID: PMC2219276 DOI: 10.1111/j.1365-2249.2007.03466.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Anti-ribosomal P protein (anti-P) antibodies are marker antibodies in systemic lupus erythematosus (SLE). Their association with psychiatric or neurological manifestations has been proposed, but remains controversial. Anti-phospholipid antibodies are the hallmark of a syndrome that may comprise a number of neurological manifestations. Thus, anti-P and anti-phospholipid antibodies have both been associated with central nervous system involvement and their co-existence in the same sera was reported. We verified the ability of purified anti-P antibodies to bind different phospholipids and phospholipid-binding proteins in solid-phase assays. Anti-P antibodies from five of eight patients bound cardiolipin (CL) when saturated with fetal calf serum (FCS); in three cases anti-CL antibodies were also detected in the flow-through. No anti-P eluate, nor any corresponding flow-through, bound beta(2)-glycoprotein I alone or prothrombin. Moreover, no anti-P eluate bound CL when the plates were blocked with bovine serum albumin in the absence of FCS. Anti-P antibodies with anti-CL activity bound both ssDNA and dsDNA and also nucleosomes in three patients. Our data indicate a great heterogeneity of anti-P antibodies that appear to be overlapped partially with the other autoantibody populations detected frequently in SLE.
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Affiliation(s)
- L Caponi
- Department of Experimental Pathology, University of Pisa, Italy.
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