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Autoantibody in autoinflammatory disease

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https://www.readbyqxmd.com/read/27828627/inflammasomes-and-dermatology
#1
Daniel Coelho de Sá, Cyro Festa
Inflammasomes are intracellular multiprotein complexes that comprise part of the innate immune response. Since their definition, inflammasome disorders have been linked to an increasing number of diseases. Autoinflammatory diseases refer to disorders in which local factors lead to the activation of innate immune cells, causing tissue damage when in the absence of autoantigens and autoantibodies. Skin symptoms include the main features of monogenic inflammasomopathies, such as Cryopyrin-Associated Periodic Syndromes (CAPS), Familial Mediterranean Fever (FMF), Schnitzler Syndrome, Hyper-IgD Syndrome (HIDS), PAPA Syndrome, and Deficiency of IL-1 Receptor Antagonist (DIRA)...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/27807192/suppression-of-irak1-or-irak4-catalytic-activity-but-not-type-1-ifn-signaling-prevents-lupus-nephritis-in-mice-expressing-a-ubiquitin-binding-defective-mutant-of-abin1
#2
Sambit K Nanda, Marta Lopez-Pelaez, J Simon C Arthur, Francesco Marchesi, Philip Cohen
Polymorphisms in the TNIP1 gene encoding A20-binding inhibitor of NF-κB1 (ABIN1) predispose to lupus and other autoimmune diseases in at least eight human populations. We found previously that knock-in mice expressing a ubiquitin-binding-defective mutant of ABIN1 (ABIN1[D485N]) develop autoimmunity as they age and succumb to a disease resembling lupus nephritis in humans. In this article, we report that Flt3-derived dendritic cells from these mice overproduced type 1 IFNs upon stimulation with ligands that activate TLR7 or TLR9...
December 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27755185/anticytokine-autoantibodies-in-infection-and-inflammation-an-update
#3
Gabriela Barcenas-Morales, Peter Jandus, Rainer Döffinger
PURPOSE OF REVIEW: Concise overview of the field of anticytokine autoantibodies with a focus on recent developments. RECENT FINDINGS: Advances in particular in the analysis of autoantibodies to IFNγ, granulocyte-macrophage colony-stimulating factor (GM-CSF) and type I IFN are presented. The target epitope for anti-IFNγ autoantibodies has been found to have high homology to a protein from Aspergillus suggesting molecular mimicry as a mechanism of breaking self-tolerance...
December 2016: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27678529/insights-from-mendelian-interferonopathies-comparison-of-candle-savi-with-ags-monogenic-lupus
#4
REVIEW
Hanna Kim, Gina A Montealegre Sanchez, Raphaela Goldbach-Mansky
Autoinflammatory disorders are sterile inflammatory conditions characterized by episodes of early-onset fever and disease-specific patterns of organ inflammation. Recently, the discoveries of monogenic disorders with strong type I interferon (IFN) signatures caused by mutations in proteasome degradation and cytoplasmic RNA and DNA sensing pathways suggest a pathogenic role of IFNs in causing autoinflammatory phenotypes. The IFN response gene signature (IGS) has been associated with systemic lupus erythematosus (SLE) and other autoimmune diseases...
October 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27454862/autoantibodies-to-post-translationally-modified-type-i-and-ii-collagen-in-charcot-neuroarthropathy-in-subjects-with-type-2-diabetes-mellitus
#5
Paola Rizzo, Dario Pitocco, Francesco Zaccardi, Enrico Di Stasio, Rocky Strollo, Alessandro Rizzi, Giuseppe Scavone, Federica Costantini, Marco Galli, Giovanni Tinelli, Andrea Flex, Salvatore Caputo, Paolo Pozzilli, Raffaele Landolfi, Giovanni Ghirlanda, Ahuva Nissim
AIMS: Charcot neuroarthropathy (CN) is a disabling complication, culminating in bone destruction and involving joints and articular cartilage with high inflammatory environment. Its real pathogenesis is as yet unknown. In autoinflammatory diseases, such as rheumatoid arthritis, characterized by inflammation and joint involvement, autoantibodies against oxidative post-translationally modified (oxPTM) collagen type I (CI) and type II (CII) were detected. Therefore, the aim of our study was to assess the potential involvement of autoimmunity in charcot neuroarthropathy, investigating the presence of autoantibodies oxPTM-CI and oxPTM-CII, in participants with charcot neuroarthropathy...
July 25, 2016: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/27295706/-autoinflammatory-diseases
#6
Ricardo A G Russo, María M Katsicas
The monogenic autoinflammatory diseases are rare, genetic disorders resulting in constitutive innate immune defects leading to excessive response to danger signals, spontaneous activation of inflammatory mediators or loss of inhibitory regulators. During the past 15 years, a growing number of monogenic inflammatory diseases have been described and their respective responsible genes identified. The proteins encoded by these genes are involved in the regulatory pathways of inflammation and are mostly expressed in cells of the innate immune system...
2016: Medicina
https://www.readbyqxmd.com/read/27146825/testing-the-activity-of-complement-convertases-in-serum-plasma-for-diagnosis-of-c4nef-mediated-c3-glomerulonephritis
#7
Anna M Blom, Fernando Corvillo, Michal Magda, Grzegorz Stasiłojć, Pilar Nozal, Miguel Ángel Pérez-Valdivia, Virginia Cabello-Chaves, Santiago Rodríguez de Córdoba, Margarita López-Trascasa, Marcin Okrój
Autoantibodies termed C3-nephritic factor (C3NeF), which stabilize convertases of the alternative complement pathway, often stimulate autoinflammatory diseases. However, knowledge about analogous autoantibodies acting on the classical pathway (C4NeF) is limited to a few reports, which indicate association with kidney dysfunction, systemic lupus erythematous, and infections. C4NeF may appear independently from C3NeF, but the lack of a routine diagnostic method predisposes C4NeF for being an underestimated player in autoinflammatory episodes...
July 2016: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/27106250/pyoderma-gangrenosum-and-its-syndromic-forms-evidence-for-a-link-with-autoinflammation
#8
REVIEW
A V Marzano, A Borghi, P L Meroni, M Cugno
Pyoderma gangrenosum is a rare inflammatory neutrophilic dermatosis manifesting as painful ulcers with violaceous, undermined borders on the lower extremities. It may occur in the context of classic syndromes like PAPA (pyogenic arthritis, pyoderma gangrenosum and acne) and SAPHO (synovitis, acne, pustulosis, hyperostosis, osteitis), as well as in a recently described entity named PASH (pyoderma gangrenosum, acne and suppurative hidradenitis). Pyoderma gangrenosum has recently been included within the spectrum of autoinflammatory diseases, which are characterized by recurrent episodes of sterile inflammation, without circulating autoantibodies and autoreactive T cells...
November 2016: British Journal of Dermatology
https://www.readbyqxmd.com/read/27096368/noncanonical-autophagy-inhibits-the-autoinflammatory-lupus-like-response-to-dying-cells
#9
Jennifer Martinez, Larissa D Cunha, Sunmin Park, Mao Yang, Qun Lu, Robert Orchard, Quan-Zhen Li, Mei Yan, Laura Janke, Cliff Guy, Andreas Linkermann, Herbert W Virgin, Douglas R Green
Defects in clearance of dying cells have been proposed to underlie the pathogenesis of systemic lupus erythematosus (SLE). Mice lacking molecules associated with dying cell clearance develop SLE-like disease, and phagocytes from patients with SLE often display defective clearance and increased inflammatory cytokine production when exposed to dying cells in vitro. Previously, we and others described a form of noncanonical autophagy known as LC3-associated phagocytosis (LAP), in which phagosomes containing engulfed particles, including dying cells, recruit elements of the autophagy pathway to facilitate maturation of phagosomes and digestion of their contents...
May 5, 2016: Nature
https://www.readbyqxmd.com/read/26948930/shaping-the-spectrum-from-autoinflammation-to-autoimmunity
#10
REVIEW
Christian M Hedrich
Historically, autoimmune-inflammatory disorders were subdivided into autoinflammatory vs. autoimmune diseases. About a decade ago, an immunological continuum was proposed, placing "classical" autoinflammatory disorders, characterized by systemic inflammation in the absence of high-titer autoantibodies or autoreactive T lymphocytes, at the one end, and autoimmune disorders at the other end. We provide an overview of recent developments and observations, filling in some of the gaps and showing strong interconnections between innate and adaptive immune mechanisms, indicating that disorders from both ends of the immunological spectrum indeed share key pathomechanisms...
April 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/26897858/-pathogenesis-and-clinical-examination-of-autoinflammatory-syndrome
#11
REVIEW
Hiroaki Ida
Autoinflammatory syndrome is characterized by: 1) episodes of seemingly unprovoked inflammation, 2) the absence of a high titer of autoantibodies or auto-reactive T cells, and 3) an inborn error of innate immunity. In this decade, many autoinflammatory syndromes have been reported in Japan, and so many Japanese physicians have become aware of this syndrome. Monogenic autoinflammatory syndromes present with excessive systemic inflammation including fever, rashes, arthritis, and organ-specific inflammation and are caused by defects in single genes encoding proteins that regulate innate inflammatory pathways...
October 2015: Rinsho Byori. the Japanese Journal of Clinical Pathology
https://www.readbyqxmd.com/read/26839472/clinical-and-genetic-features-of-korean-patients-with-recurrent-fever-and-multi-system-inflammation-without-infectious-or-autoimmune-evidence
#12
Ji Ae Yang, Ji Yong Choi, Eun Ha Kang, You-Jung Ha, Yun Jong Lee, Yeong Wook Song
Autoinflammatory disease (AID) is a newly proposed category of disorders characterized by unprovoked episodes of inflammation without any infectious or autoimmune evidence. We aimed to characterize the clinical and genetic features of patients who had recurrent fever and multi-system inflammation but remain unclassified for any established AIDs. Medical records of 1,777 patients who visited our Rheumatology Clinic between March 2009 and December 2010 were reviewed to identify those who met the following criteria; 1) presence of fever, 2) inflammation in two or more organ systems, 3) recurrent nature of fever or inflammation, 4) no evidence of infection or malignancy, 5) absence of high titer autoantibodies, and 6) failure to satisfy any classification criteria for known AIDs...
February 2016: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/26683967/cytokine-and-chemokine-profile-in-amicrobial-pustulosis-of-the-folds-evidence-for-autoinflammation
#13
Angelo V Marzano, Simona Tavecchio, Emilio Berti, Carlo Gelmetti, Massimo Cugno
Autoinflammation has recently been suggested in the pathogenesis of neutrophilic dermatoses but systematic studies on their cytokine profile are lacking. Notably, amicrobial pustulosis of the folds (APF), classified among neutrophilic dermatoses, has been studied only in small case series. In our University Hospital, we conducted an observational study on 15 APF patients, analyzing their clinical and laboratory features with a follow-up of 9 months to 20 years. Skin cytokine pattern of 9 of them was compared to that of 6 normal controls...
December 2015: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26524899/-diagnosis-and-clinical-examination-of-autoinflammatory-syndrome
#14
REVIEW
Hiroaki Ida
Autoinflammatory syndrome is characterized by: 1) episodes of seemingly unprovoked inflammation, 2) the absence of a high titer of autoantibodies or auto-reactive T cells, and 3) an inborn error of innate immunity. In this decade, many autoinflammatory syndromes have been reported in Japan, and so many Japanese physicians have become aware of this syndrome. Monogenic autoinflammatory syndromes present with excessive systemic inflammation including fever, rashes, arthritis, and organ-specific inflammation and are caused by defects in single genes encoding proteins that regulate innate inflammatory pathways...
May 2015: Rinsho Byori. the Japanese Journal of Clinical Pathology
https://www.readbyqxmd.com/read/26476224/etiology-and-pathogenesis-of-psoriatic-arthritis
#15
REVIEW
Jennifer L Barnas, Christopher T Ritchlin
The current model of psoriatic arthritis implicates both the IL-23/IL-17 axis and the tumor necrosis factor (TNF) pathways in disease pathogenesis. Although specific major histocompatibility complex class I molecules are associated with the psoriatic disease phenotype, no specific antigen or autoantibody has been identified. Instead, an array of genes may code for an autoinflammatory loop, potentially activated by mechanical stress and dysbiosis in the skin or gut. Danger signals released by innate immune cells activate a Th1 and Th17 response that leads to synovitis, enthesitis, axial inflammation, and altered bone homeostasis characterized by pathologic bone resorption and new bone formation...
November 2015: Rheumatic Diseases Clinics of North America
https://www.readbyqxmd.com/read/26372900/the-role-of-cytokine-deficiencies-and-cytokine-autoantibodies-in-clinical-dermatology
#16
REVIEW
W Liszewski, R Gniadecki
Cytokines are small, secreted proteins that are essential for promoting and maintaining a normal immune response. Upregulation of cytokines frequently occurs in autoimmune and inflammatory diseases. Conversely, several immunodeficiency, autoimmune and autoinflammatory disorders are known to occur due to a downregulation or absence of cytokines. Here, we review the diagnosis and clinical management of cytokine deficiency syndromes in dermatology. We will review the biology of cytokines, and the current approved indications for recombinant cytokines and anticytokine antibodies...
March 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/26320659/cytosolic-nuclease-trex1-regulates-oligosaccharyltransferase-activity-independent-of-nuclease-activity-to-suppress-immune-activation
#17
Maroof Hasan, Charles S Fermaintt, Ningguo Gao, Tomomi Sakai, Takuya Miyazaki, Sixin Jiang, Quan-Zhen Li, John P Atkinson, Herbert C Morse, Mark A Lehrman, Nan Yan
TREX1 is an endoplasmic reticulum (ER)-associated negative regulator of innate immunity. TREX1 mutations are associated with autoimmune and autoinflammatory diseases. Biallelic mutations abrogating DNase activity cause autoimmunity by allowing immunogenic self-DNA to accumulate, but it is unknown how dominant frameshift (fs) mutations that encode DNase-active but mislocalized proteins cause disease. We found that the TREX1 C terminus suppressed immune activation by interacting with the ER oligosaccharyltransferase (OST) complex and stabilizing its catalytic integrity...
September 15, 2015: Immunity
https://www.readbyqxmd.com/read/26234089/-autoimmune-rheumatic-diseases-problems-of-immunopathology-and-personalized-treatment
#18
REVIEW
E L Nasonov, E N Aleksandrova, A A Novikov
By current standards autoimmunity is a complex pathological process based on a violation of tolerance and, consequently, the pathological immune response against its own tissues components (autoantigens) leading to the development of a wide range of autoimmune diseases in humans. In recent years, multiple immune disorders both acquired and/ or congenital (associated with polymorphisms of genes that regulate immune response) have been transcribed. These disorders occur at the cellular and humoral levels: thymus, intestines, peripheral blood immune cells, including T and B lymphocytes, macrophages, dendritic cells, Treg-cells (Treg), components of complement system, cytokines and others...
2015: Vestnik Rossiĭskoĭ Akademii Meditsinskikh Nauk
https://www.readbyqxmd.com/read/26005048/inflammasomes-and-human-autoimmunity-a-comprehensive-review
#19
REVIEW
Chin-An Yang, Bor-Luen Chiang
Inflammasomes are multi-protein complexes composed of a NOD-like receptor (NLR)/an AIM-like receptor (ALR), the adapter molecule apoptosis-associated speck-like protein that contains a CARD (ASC), and caspase-1. Active caspase-1 cleaves pro-IL-1β and pro-IL-18 to IL-1β and IL-18, resulting in inflammation. Genetic mutations in inflammasomes were first recognized to result in autoinflammatory diseases, which are characterized by the absence of both autoantibodies and autoreactive-T/B cells. However, there is increasing attention being placed on genetic polymorphisms that are involved in the components of inflammasomes, and these have implications for innate immunity and the natural history of autoimmune diseases...
July 2015: Journal of Autoimmunity
https://www.readbyqxmd.com/read/25963521/new-monogenic-autoinflammatory-diseases-a-clinical-overview
#20
REVIEW
Scott W Canna, Raphaela Goldbach-Mansky
Translating pathogenic insights gained from monogenic defects that cause autoinflammatory diseases into novel therapies has dramatically improved the lives of patients with these syndromes. The last 15 years have focused on the central role of IL-1 in driving autoinflammatory phenotypes and on therapies blocking IL-1 signaling. Recent discoveries from patients unresponsive to IL-1 blockade have highlighted other key inflammatory mediators and pathways. New genetic discoveries have confirmed unifying mechanisms of autoinflammation, including dysregulation of danger sensing, cell stress, and immune-receptor signaling...
July 2015: Seminars in Immunopathology
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