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Query: "keywords" (systemic autoinflammatory disease) .

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1.
Hereditary systemic autoinflammatory diseases and Schnitzler's syndrome
Mark Kačar, Shelly Pathak, Sinisa Savic, 2019, review article

Abstract: The systemic autoinflammatory diseases are disorders of the innate immune system distinguished by severe inflammation resulting from dysregulation of the innate immune system. Hereditary fever syndromes, such as FMF, TNF receptor-associated periodic syndrome, cryopyrin-associated periodic syndromes and mevalonate kinase deficiency, were the first group of systemic autoinflammatory diseases for which a genetic basis was established, between 1999 and 2001. Currently according to the latest report of the international union of immunological societies, 37 separate monogenic disorders were classified as autoinflammatory. In addition to the abovementioned monogenic conditions, we describe Schnitzler's syndrome, a well-defined, acquired autoinflammatory condition without a clear genetic basis. For the purposes of this review, we discuss several conditions defined by the latest consensus process as systemic autoinflammatory diseases. We focus on those disorders where recent studies have contributed to further phenotypic characterization or had an impact on clinical management.
Keywords: pyrin, Schnitzler syndrome, haploinsufficiency, autoinflammatory diseases, pyrin-associated autoinflammatory diseases, NLRP3-related autoinflammatory diseases, undifferentiated systemic autoinflammatory disease, relopathies
Published in DiRROS: 08.04.2021; Views: 1224; Downloads: 939
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2.
Mixed results with baricitinib in biological-resistant adult-onset Still's disease and undifferentiated systemic autoinflammatory disease
Mark Kačar, John Fitton, Andrew K Gough, Maya H Buch, Dennis McGonagle, Sinisa Savic, 2020, original scientific article

Abstract: This clinical case series describes our experience with the use of Janus kinase 1/2 inhibitor baricitinib in two patients suffering from refractory adult-onset Still's disease (AOSD) as well as in one case suffering from AOSD-like autoinflammatory disease in the context of myelodysplastic syndrome. All patients suffered from disease nonresponsive to conventional Disease-modifying antirheumatic drugs (DMARDs) as well as biological therapies including interleukin (IL)-1 and IL-6 blockade, relying instead on high daily doses of prednisolone. We also report the first case of Pneumocystis jirovecii infection following baricitinib use.
Keywords: adult onset Still's disease -- drug therapy, ankylosing spondylitis, arthritis, antirheumatic agents, undifferentiated systemic autoinflammatory disease, disease-modifying antirheumatic drugs
Published in DiRROS: 08.04.2021; Views: 1280; Downloads: 826
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3.
Identification of critical transcriptomic signaling pathways in patients with H syndrome and Rosai-Dorfman disease
Samuel Lara-Reyna, James A. Poulter, Elton J.R. Vasconcelos, Mark Kačar, Michael F. McDermott, Reuben Tooze, Rainer Doffinger, Sinisa Savic, 2021, original scientific article

Abstract: Biallelic mutations in SLC29A3 cause histiocytosis-lymphadenopathy plus syndrome, also known as H syndrome (HS). HS is a complex disorder, with ~ 25% of patients developing autoinflammatory complications consisting of unexplained fevers, persistently elevated inflammatory markers, and unusual lymphadenopathies, with infiltrating CD68+, S100+, and CD1a[minus] histiocytes, resembling the immunophenotype found in Rosai-Dorfman disease (RDD). We investigated the transcriptomic profiles of monocytes, non-activated (M0), classically activated (M1), and alternatively activated macrophages (M2) in two patients with HS, one without autoinflammatory (HS1) and one with autoinflammatory complications (HS2). RNA sequencing revealed a dysregulated transcriptomic profile in both HS patients compared to healthy controls (HC). HS2, when compared to HS1, had several differentially expressed genes, including genes associated with lymphocytic-histiocytic predominance (e.g. NINL) and chronic immune activation (e.g. B2M). The transcriptomic and cytokine profiles of HS patients were comparable to patients with SAID with high levels of TNF. SERPINA1 gene expression was found to be upregulated in all patients studied. Moreover, higher levels of IFN[gamma] were found in the serum of both HS patients when compared to HC. Gene ontology (GO) enrichment analysis of the DEGs in HS patients revealed the terms "type I IFN," "IFN[gamma] signaling pathway," and "immune responses" as the top 3 most significant terms for monocytes. Gene expression analysis of lymph node biopsies from sporadic and H syndrome-associated RDD suggests common underlying pathological process. In conclusion, monocytes and macrophages from both HS patients showed transcriptomic profiles similar to SAIDs and also uniquely upregulated IFN[gamma] signature. These findings may help find better therapeutic options for this rare disorder.
Keywords: interferon-gamma, H syndrome, systemic autoinflammatory disease
Published in DiRROS: 08.04.2021; Views: 1087; Downloads: 564
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