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| Lupus | |
|---|---|
| Name | Lupus |
| Synonyms | Systemic lupus erythematosus; SLE |
| Field | Rheumatology; Immunology |
Lupus Lupus is a chronic autoimmune disease characterized by multisystem inflammation and autoantibody production that can affect skin, joints, kidneys, heart, lungs, nervous system, and hematologic components, often with relapsing and remitting courses related to environmental and hormonal triggers. Clinical care typically involves specialists from rheumatology, nephrology, dermatology, and immunology working with allied services including pathology, radiology, and rehabilitation to manage acute flares and long-term complications.
Systemic lupus erythematosus is a prototypical autoimmune connective tissue disease first characterized in historical descriptions of malar rash and systemic involvement, with contemporary management shaped by research from institutions such as the National Institutes of Health, Centers for Disease Control and Prevention, World Health Organization, American College of Rheumatology, and major academic centers like Mayo Clinic, Johns Hopkins Hospital, and Massachusetts General Hospital. Classification criteria and diagnostic frameworks have evolved through collaborations among organizations including the European League Against Rheumatism and British Society for Rheumatology, while epidemiologic cohorts from regions such as North America, Europe, Asia, and Africa inform prevalence and outcome disparities.
Patients commonly present with constitutional features such as fatigue, fever, and weight changes, alongside cutaneous manifestations including malar rash and photosensitivity which prompt referrals to dermatology clinics at centers like Cleveland Clinic and UCLA Health. Musculoskeletal complaints—arthralgia and nonerosive arthritis—lead to evaluations by specialists affiliated with institutions such as Stanford Health Care and University College London Hospitals. Renal involvement manifesting as proteinuria or nephritis necessitates nephrology input referencing protocols from organizations like the American Society of Nephrology, while neuropsychiatric features may require assessment by neurologists in settings connected to Mayo Clinic and Charité – Universitätsmedizin Berlin.
Etiology reflects complex interactions among genetic predisposition, hormonal influences, and environmental triggers; genetic associations include HLA alleles and loci identified by genome-wide association studies conducted by consortia linked to Wellcome Trust, Broad Institute, and European Bioinformatics Institute. Hormonal modulation involving estrogen pathways implicates endocrinology research from centers such as Harvard Medical School and Imperial College London, and environmental risk factors include ultraviolet radiation, infectious agents like Epstein–Barr virus, smoking noted in population studies by WHO, and certain medications monitored by regulatory agencies like the U.S. Food and Drug Administration.
Autoantibody production including anti-dsDNA and anti-Sm antibodies arises from dysregulated B cell and T cell interactions studied in immunology laboratories at institutions such as Institut Pasteur, Scripps Research, and Rockefeller University. Innate immune components including plasmacytoid dendritic cells and complement pathway abnormalities involving complement proteins C3 and C4 contribute to immune complex deposition described in nephrology research from Columbia University Irving Medical Center. Molecular mechanisms explored through translational programs at entities like European Molecular Biology Laboratory and Cold Spring Harbor Laboratory link apoptotic clearance defects, interferon signaling signatures, and cytokine networks to tissue inflammation and organ damage.
Diagnosis integrates clinical criteria and laboratory testing using serologic assays for antinuclear antibodies, anti-dsDNA, anti-Sm, antiphospholipid antibodies, and complement levels as performed in clinical laboratories affiliated with Mayo Clinic Laboratories and Quest Diagnostics. Imaging modalities including ultrasound, echocardiography, magnetic resonance imaging, and renal biopsy interpreted by pathologists at tertiary centers such as Johns Hopkins Hospital and Mount Sinai Hospital assist in organ-specific assessment. Classification frameworks from the American College of Rheumatology and European League Against Rheumatism guide case definition in research and clinical practice.
Management comprises immunomodulatory and immunosuppressive therapies including hydroxychloroquine, corticosteroids, cyclophosphamide, mycophenolate mofetil, azathioprine, and biologics such as belimumab and rituximab, with prescribing informed by clinical trials conducted by networks like the National Institutes of Health and European Medicines Agency oversight. Supportive care involves anticoagulation for antiphospholipid syndrome guided by societies such as the American Heart Association and International Society on Thrombosis and Haemostasis, vaccination strategies recommended by the Centers for Disease Control and Prevention, and rehabilitation services coordinated with tertiary centers including Cleveland Clinic and Massachusetts General Hospital. Patient education, psychosocial support, and pregnancy management draw on guidelines from organizations like the Royal College of Obstetricians and Gynaecologists and patient advocacy groups including Lupus Foundation of America.
Prevalence and incidence vary by geography, sex, age, and ancestry, with higher rates reported among women of childbearing age and increased severity among populations of African, Hispanic, and Indigenous descent in cohort studies from United Kingdom, United States, Brazil, China, and South Africa. Longitudinal outcome data from registries maintained by institutions such as Duke University and Vanderbilt University Medical Center document improvements in survival attributable to advances in diagnostics and therapeutics, while disparities persist linked to access to specialty care at centers like University of Toronto and University of Sydney.
Category:Autoimmune diseases