Autoinflammatory syndromes are characterized by an exaggerated activation of the innate immune system and frequently present with skin symptoms. In contrast to autoimmune disorders no specific autoantibodies or autoreactive immune cells are detected. Thus, the diagnosis is usually difficult and can only be made by a careful interpretation of anamnestic, clinical and laboratory parameters. In some hereditary autoimmune syndromes specific genetic mutations are described and can be helpful for the diagnosis. For treatment of these disorders both classic immunomodulatory drugs and specific cytokine inhibitors are used, mainly directed against interleukin‑1. Long-term therapy is generally required.
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http://dx.doi.org/10.1007/s00105-020-04579-2 | DOI Listing |
Hum Immunol
January 2025
Laboratory of Immunogenetics and Tissue Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland.
Atopic dermatitis (AD) is one of the most common dermatoses. According to current data 2.6 % of the world's population suffer from AD.
View Article and Find Full Text PDFActa Derm Venereol
January 2025
Dermatology Department, Unidade Local de Saúde Santa Maria, Lisbon, Portugal; Dermatology University Clinic, Faculty of Medicine, University of Lisbon, Lisbon, Portugal; Dermatology Research Unit, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal.
Sweet's syndrome (or acute febrile dermatosis) is a neutrophilic dermatosis with a characteristic presentation encompassing specific clinical (fever and erythemato-violaceous oedematous papules, plaques and nodules), laboratory (neutrophilia and increased inflammatory markers), and histological (dermal neutrophilic infiltrate without vasculitis) features. Its pathophysiology is poorly understood but there seems to be an auto-inflammatory component related to mutations in inflammasome genes. It has been subdivided into its classic form, malignancy-associated, and drug-induced, according to its aetiology.
View Article and Find Full Text PDFImmune-mediated diseases are common in humans. The immune system is a complex host defense system that evolved to protect us from pathogens, but also plays an important role in homeostatic processes, removing dead or senescent cells, and participating in tumor surveillance. The human immune system has two arms: the older innate immune system, and the newer adaptive immune system.
View Article and Find Full Text PDFAm J Dermatopathol
November 2024
Department of Cellular Pathology, Hospital Universitario El Bierzo, Ponferrada, Spain; and.
Neutrophilic dermatoses are defined as inflammatory skin diseases characterized by sterile infiltration of polymorphonuclear neutrophils into various cutaneous layers. Although, in many cases, neutrophilic dermatoses represent the cutaneous counterpart of autoinflammatory diseases, this is not always the case, and there are other causes associated with this group of diseases, such as the administration of certain drugs or an underlying tumor. However, understanding the autoinflammatory context in which most of these entities develop, as well as their close relationship with autoimmunity, is key to comprehending their pathogenesis.
View Article and Find Full Text PDFBalkan Med J
January 2025
Department of Pediatric Rheumatology, İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, İstanbul, Türkiye.
Autoinflammatory bone diseases (AIBDs) constitute a recently identified subset of autoinflammatory diseases. These conditions are characterized by an exaggerated inflammatory response in the bones without any apparent etiology. Inflammatory bone lesions associated with AIBDs exhibit chronic inflammation, are typically culture-negative, and do not exhibit discernible microorganisms on histopathological examination.
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