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https://www.readbyqxmd.com/read/28814775/mutational-profile-of-rare-variants-in-inflammasome-related-genes-in-beh%C3%A3-et-disease-a-next-generation-sequencing-approach
#1
Sergio Burillo-Sanz, Marco-Antonio Montes-Cano, José-Raúl García-Lozano, Lourdes Ortiz-Fernández, Norberto Ortego-Centeno, Francisco-José García-Hernández, Gerard Espinosa, Genaro Graña-Gil, Juan Sánchez-Bursón, María Rosa Juliá, Roser Solans, Ricardo Blanco, Ana-Celia Barnosi-Marín, Ricardo Gómez De la Torre, Patricia Fanlo, Mónica Rodríguez-Carballeira, Luis Rodríguez-Rodríguez, Teresa Camps, Santos Castañeda, Juan-Jose Alegre-Sancho, Javier Martín, María Francisca González-Escribano
Behçet's disease (BD) is an immune-mediated systemic disorder with a well-established association with HLA class I and other genes. BD has clinical overlap with many autoinflammatory diseases (AIDs). The aim of this study was to investigate the role of rare variants in seven genes involved in AIDs: CECR1, MEFV, MVK, NLRP3, NOD2, PSTPIP1 and TNFRSF1A using a next generation sequencing (NGS) approach in 355 BD patients. To check global association of each gene, 4 tests: SKAT, CollapseBt, C(α) and weighted KBAC were used...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814674/rilonacept-maintains-long-term-inflammatory-remission-in-patients-with-deficiency-of-the-il-1-receptor-antagonist
#2
Megha Garg, Adriana A de Jesus, Dawn Chapelle, Paul Dancey, Ronit Herzog, Rafael Rivas-Chacon, Theresa L Wampler Muskardin, Ann Reed, James C Reynolds, Raphaela Goldbach-Mansky, Gina A Montealegre Sanchez
BACKGROUND: Deficiency of IL-1 receptor antagonist (DIRA) is a rare autoinflammatory disease that presents with life-threatening systemic inflammation, aseptic multifocal osteomyelitis, and pustulosis responsive to IL-1-blocking treatment. This study was performed (a) to investigate rilonacept, a long-acting IL-1 inhibitor, in maintaining anakinra-induced inflammatory remission in DIRA patients, (b) to determine doses needed to maintain remission, and (c) to evaluate the safety and pharmacokinetics of rilonacept in young children (<12 years)...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28808967/purification-of-cyclic-gmp-amp-from-viruses-and-measurement-of-its-activity-in-cell-culture
#3
Alice Mayer, Jonathan Maelfait, Anne Bridgeman, Jan Rehwinkel
Sensing of cytoplasmic DNA by cGAS is essential for the initiation of immune responses against several viruses. cGAS also plays important roles in some autoinflammatory and autoimmune diseases and may be involved in immune responses targeting cancer cells. Once activated, cGAS catalyzes the formation of the di-nucleotide 2'-3'-cyclic GMP-AMP (cGAMP), which propagates a signaling cascade leading to the production of type I interferons (IFNs). Interestingly, cGAMP is incorporated into enveloped viruses and is transferred to newly infected cells by virions...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28806468/an-overview-of-hemophagocytic-lymphohistiocytosis
#4
Ysabella M Esteban, Jill L O de Jong, Melissa S Tesher
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome characterized by a dysregulated hyperinflammatory response associated with aberrant activation of lymphocytes and macrophages that results in hypercytokinemia. It is classically divided into two types: (1) primary or familial HLH and (2) secondary HLH. Familial HLH is generally an autosomal recessive condition, whereas secondary HLH is usually associated with infectious diseases, autoinflammatory and autoimmune diseases (where it is more commonly known as macrophage activation syndrome), malignancy, immunosuppression, hematopoietic stem cell transplantation, organ transplantation, HIV infection, and metabolic diseases...
August 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28798075/cytokines-of-the-il-1-family-recognized-targets-in-chronic-inflammation-underrated-in-organ-transplantations
#5
REVIEW
Ilja Striz
Interleukin 1 (IL-1) family is a group of cytokines with multiple local and systemic effects, which regulates both innate and adaptive immune responses. Generally, most IL-1 family cytokines express prevailing pro-inflammatory activities (IL-1α, IL-1β, IL-18, IL-33, IL-36 α, β, γ), whereas others are anti-inflammatory (IL-1Ra (IL-1 receptor antagonist), IL-36Ra, IL-38, IL-37). In addition to their immunomodulatory roles, some of them are also involved in the physiological modulation of homeostatic processes and directly affect mRNA transcription...
September 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28794369/adult-onset-chronic-recurrent-multifocal-osteomyelitis-with-high-intensity-of-muscles-detected-by-magnetic-resonance-imaging-successfully-controlled-with-tocilizumab
#6
Hiroe Sato, Yoko Wada, Eriko Hasegawa, Yukiko Nozawa, Takeshi Nakatsue, Tomoyuki Ito, Takeshi Kuroda, Takako Saeki, Hajime Umezu, Yoshiki Suzuki, Masaaki Nakano, Ichiei Narita
Chronic recurrent multifocal osteomyelitis (CRMO) is an autoinflammatory bone disorder that generally occurs in children and predominantly affects the long bones with marginal sclerosis. We herein report two cases of adult-onset CRMO involving the tibial diaphysis bilaterally, accompanied by polyarthritis. Magnetic resonance imaging (MRI) showed both tibial osteomyelitis and high intensity of the extensive lower leg muscles. Anti-interleukin-6 therapy with tocilizumab (TCZ) effectively controlled symptoms and inflammatory markers in both patients...
August 10, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28790368/signs-of-innate-immune-activation-and-premature-immunosenescence-in-psoriasis-patients
#7
Liisi Šahmatova, Elena Sügis, Marina Šunina, Helen Hermann, Ele Prans, Maire Pihlap, Kristi Abram, Ana Rebane, Hedi Peterson, Pärt Peterson, Külli Kingo, Kai Kisand
Psoriasis is a chronic inflammatory disease that affects skin and is associated with systemic inflammation and many serious comorbidities ranging from metabolic syndrome to cancer. Important discoveries about psoriasis pathogenesis have enabled the development of effective biological treatments blocking the T helper 17 pathway. However, it has not been settled whether psoriasis is a T cell-mediated autoimmune disease or an autoinflammatory disorder that is driven by exaggerated innate immune signalling. Our comparative gene expression and hierarchical cluster analysis reveal important gene circuits involving innate receptors...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28781304/cold-exposure-related-fever-with-an-mediterranean-fever-mefv-gene-mutation
#8
Shima Kumei, Tsukasa Nozu, Masumi Ohira, Saori Miyagishi, Toshikatsu Okumura
Familial Mediterranean fever (FMF) is a genetic autoinflammatory disease characterized by recurrent fever with serosal inflammation. We experienced a 53-year-old male who had been suffering from periodic attacks with slight fever and myalgia which were mainly triggered by cold exposure in winter. Although his clinical course did not satisfy the criteria for familial Mediterranean fever, heterozygous E148Q/M694I mutation in the Mediterranean fever (MEFV) gene was detected. Further attacks were prevented by treatment with colchicine...
August 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28781105/adult-s-onset-still-disease-occurring-during-pregnancy-case-report-and-literature-review
#9
Léo Plaçais, Arsène Mekinian, Marie Bornes, Armelle Poujol-Robert, Naiké Bigé, Eric Maury, Olivier Fain
INTRODUCTION: Adult onset Still's disease is a rare affection classified among non-hereditary autoinflammatory diseases. We here report a case of AOSD revealed during pregnancy with a life-threatening presentation along with a review of 19 cases from literature. CASE: A 38-years old woman was treated in our department for diffuse systemic sclerosis and associated Sjögren syndrome. She was pregnant and presented with acute fever and arthralgias. Laboratory data revealed mild liver cytolysis but a large screening for infectious and auto-immune diseases was negative and hepato-biliar imaging was normal...
July 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28771701/cellular-metabolism-of-tumor-associated-macrophages-functional-impact-and-consequences
#10
REVIEW
Katrin Rabold, Mihai G Netea, Gosse J Adema, Romana T Netea-Maier
Macrophages are innate immune cells that play a role not only in host defense against infections, but also in the pathophysiology of autoimmune and autoinflammatory disorders, as well as cancer. An important feature of macrophages is their high plasticity, with high ability to adapt to environmental changes by adjusting their cellular metabolism and immunological phenotype. Macrophages are one of the most abundant innate immune cells within the tumor microenvironment that have been associated with tumor growth, metastasis, angiogenesis and poor prognosis...
August 3, 2017: FEBS Letters
https://www.readbyqxmd.com/read/28750667/co-existence-of-blau-syndrome-and-naid-diagnostic-challenges-associated-with-presence-of-multiple-pathogenic-variants-in-nod2-gene-a-case-report
#11
Magdalena Dziedzic, Agata Marjańska, Katarzyna Bąbol-Pokora, Anna Urbańczyk, Elżbieta Grześk, Wojciech Młynarski, Sylwia Kołtan
BACKGROUND: Pediatric autoinflammatory diseases are rare and still poorly understood conditions resulting from defective genetic control of innate immune system, inter alia from anomalies of NOD2 gene. The product of this gene is Nod2 protein, taking part in maintenance of immune homeostasis. Clinical form of resultant autoinflammatory condition depends on NOD2 genotype; usually patients with NOD2 defects present with Blau syndrome, NOD2-associated autoinflammatory disease (NAID) or Crohn's disease...
July 27, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28750028/clinical-impact-of-a-targeted-next-generation-sequencing-gene-panel-for-autoinflammation-and-vasculitis
#12
Ebun Omoyinmi, Ariane Standing, Annette Keylock, Fiona Price-Kuehne, Sonia Melo Gomes, Dorota Rowczenio, Sira Nanthapisal, Thomas Cullup, Rodney Nyanhete, Emma Ashton, Claire Murphy, Megan Clarke, Helena Ahlfors, Lucy Jenkins, Kimberly Gilmour, Despina Eleftheriou, Helen J Lachmann, Philip N Hawkins, Nigel Klein, Paul A Brogan
BACKGROUND: Monogenic autoinflammatory diseases (AID) are a rapidly expanding group of genetically diverse but phenotypically overlapping systemic inflammatory disorders associated with dysregulated innate immunity. They cause significant morbidity, mortality and economic burden. Here, we aimed to develop and evaluate the clinical impact of a NGS targeted gene panel, the "Vasculitis and Inflammation Panel" (VIP) for AID and vasculitis. METHODS: The Agilent SureDesign tool was used to design 2 versions of VIP; VIP1 targeting 113 genes, and a later version, VIP2, targeting 166 genes...
2017: PloS One
https://www.readbyqxmd.com/read/28747603/autoinflammatory-diseases-in-dermatology-ditra-and-camps
#13
Kazumitsu Sugiura
  Deficiency of interleukin thirty-six receptor antagonist (DITRA) and CARD14 mediated psoriasis (CAMPS) are autoinflammatory diseases in dermatology. The causative genes of DITRA and CMAPS have been identified recently. In this paper, IL36RN and CARD14, the causative gene for DITRA and CAMPS, respectively were explained. In addition, clinical features and therapies for generalized pustular psoriasis not associated with psoriasis vulgaris (GPP without PsV), and pityriasis rubra pilaris type V (PRP type V) were described...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28745684/-autoinflammatory-diseases-and-kidney-involvement
#14
EDITORIAL
N A Mukhin, M V Bogdanova, V V Rameev, L V Kozlovskaya
Autoinflammatory disease (AID) is a new concept formulated from the results of studying the pathogenesis of familial periodic fevers, a heterogeneous group of genetically determined diseases characterized by causelessly recurrent exacerbations of the inflammatory process due to genetically determined disorders of innate immunity and accompanied by uncontrolled hypersecretion of interleukin-1 (IL-1). These mechanisms were a basic model for understanding a wide range of rheumatologic and other inflammatory diseases of the internal organs...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28744167/muckle-wells-syndrome-clinical-perspectives
#15
REVIEW
Tu-Anh Tran
Muckle-Wells syndrome (MWS) is a rare autoinflammatory disorder. It is due to NLRP3 gene mutations, responsible for excessive caspase-1 activation and interleukin 1β processing. MWS is the intermediate phenotype of severity of cryopyrin-associated periodic syndrome. Urticarial rash, conjunctivitis, recurrent fever, arthralgia, and fatigue are the main clinical manifestations of MWS. Yet, sensorineural hearing loss and renal amyloidosis can occur after long term evolution. Patients' quality of life has been drastically improved with the advent of IL-1 inhibitors...
2017: Open Access Rheumatology: Research and Reviews
https://www.readbyqxmd.com/read/28741584/pitfall-of-modern-genetics-recurrent-erysipelas-masquerading-as-autoinflammatory-disease
#16
E J W Spierings, J W M van der Meer, A Simon
A patient presented with recurrent episodes of fever and skin rash for eight years. DNA analysis of the NLRP3 gene revealed a mutation associated with autoinflammatory disease. After an initial positive response to the biological anakinra, the patient deteriorated. Reassessment revealed recurrent erysipelas. In conclusion, sometimes erysipelas-like skin rash is real erysipelas, and DNA results are not always the final answer.
July 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/28738408/cgas-surveillance-of-micronuclei-links-genome-instability-to-innate-immunity
#17
Karen J Mackenzie, Paula Carroll, Carol-Anne Martin, Olga Murina, Adeline Fluteau, Daniel J Simpson, Nelly Olova, Hannah Sutcliffe, Jacqueline K Rainger, Andrea Leitch, Ruby T Osborn, Ann P Wheeler, Marcin Nowotny, Nick Gilbert, Tamir Chandra, Martin A M Reijns, Andrew P Jackson
DNA is strictly compartmentalized within the nucleus to prevent autoimmunity; despite this, cyclic GMP-AMP synthase (cGAS), a cytosolic sensor of double-stranded DNA, is activated in autoinflammatory disorders and by DNA damage. Precisely how cellular DNA gains access to the cytoplasm remains to be determined. Here, we report that cGAS localizes to micronuclei arising from genome instability in a mouse model of monogenic autoinflammation, after exogenous DNA damage and spontaneously in human cancer cells. Such micronuclei occur after mis-segregation of DNA during cell division and consist of chromatin surrounded by its own nuclear membrane...
July 24, 2017: Nature
https://www.readbyqxmd.com/read/28738209/psoriasis-a-mixed-autoimmune-and-autoinflammatory-disease
#18
REVIEW
Yun Liang, Mrinal K Sarkar, Lam C Tsoi, Johann E Gudjonsson
In recent years marked progress has been made in our understanding of the critical biologic and immunologic pathways involved in psoriasis. Genetic studies have demonstrated that susceptibility to psoriasis involves components of both the adaptive and innate immune system and not surprisingly activation of both of these arms of the immune system is found in psoriatic skin. While adaptive immune responses predominate in chronic plaque psoriasis, innate and autoinflammatory responses dominate in pustular forms of psoriasis, with other clinical subtypes extending on a spectrum between plaque and pustular psoriasis...
July 21, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28733143/mechanisms-of-nlrp1-mediated-autoinflammatory-disease-in-humans-and-mice
#19
REVIEW
Chien-Hsiung Yu, Jonas Moecking, Matthias Geyer, Seth L Masters
NLRP1 was the first NOD-like receptor described to form an inflammasome, recruiting ASC to activate caspase-1, which processes interleukin-1β and interleukin-18 to their active form. A wealth of new genetic information has now redefined our understanding of this innate immune sensor. Specifically, rare loss-of-function variants in the N-terminal pyrin domain indicate that this part of NLRP1 is autoinhibitory and normally acts to prevent a familial autoinflammatory skin disease associated with cancer. In the absence of a ligand to trigger human NLRP1, these mutations have now confirmed the requirement of NLRP1 autolytic cleavage within the FIIND domain, which had previously been implicated in NLRP1 activation...
July 19, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28724326/sting-signalling-an-emerging-common-pathway-in-autoimmunity-and-cancer
#20
David McCaffary
The equipoise between the disease states of cancer and autoinflammation has perhaps been underappreciated in clinical practice and biomedical research. However, since the discover of STING (stimulator of interferon genes) as an integral regulator of innate immunity, a wealth of information has implicated this signaling pathway in both of these diseases. Under cellular homeostasis, STING serves to detect - and promote immune defense against - DNA viruses and intracellular bacteria, as described in its initial discovery...
July 20, 2017: Immunopharmacology and Immunotoxicology
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