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https://www.readbyqxmd.com/read/29675414/spondyloarthritis-acute-anterior-uveitis-and-fungi-updating-the-catterall-king-hypothesis
#1
Martin Laurence, Mark Asquith, James T Rosenbaum
Spondyloarthritis is a common type of arthritis which affects mostly adults. It consists of idiopathic chronic inflammation of the spine, joints, eyes, skin, gut, and prostate. Inflammation is often asymptomatic, especially in the gut and prostate. The HLA-B*27 allele group, which presents intracellular peptides to CD8+ T cells, is by far the strongest risk factor for spondyloarthritis. The precise mechanisms and antigens remain unknown. In 1959, Catterall and King advanced a novel hypothesis explaining the etiology of spondyloarthritis: an as-yet-unrecognized sexually acquired microbe would be causing all spondyloarthritis types, including acute anterior uveitis...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29672807/imaging-to-differentiate-the-various-forms-of-seronegative-arthritis
#2
Iris Eshed, Kay-Geert A Hermann, Anna Zejden, Iwona Sudoł-Szopińska
Spondyloarthritis (SpA) is a group of diseases characterized by back pain, spinal inflammation, human leukocyte antigen-B27 positivity, and peripheral findings such as dactylitis, enthesitis, and uveitis. It includes ankylosing spondylitis, psoriatic arthritis, reactive arthritis, arthritis associated with inflammatory bowel disease, and undifferentiated SpA. The role of imaging in the diagnosis, management, and follow-up of patients with SpA has become dramatically more important with the introduction of new therapies such as tumor necrosis factor-α inhibitors...
April 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29662164/transcription-factors-operate-across-disease-loci-with-ebna2-implicated-in-autoimmunity
#3
John B Harley, Xiaoting Chen, Mario Pujato, Daniel Miller, Avery Maddox, Carmy Forney, Albert F Magnusen, Arthur Lynch, Kashish Chetal, Masashi Yukawa, Artem Barski, Nathan Salomonis, Kenneth M Kaufman, Leah C Kottyan, Matthew T Weirauch
Explaining the genetics of many diseases is challenging because most associations localize to incompletely characterized regulatory regions. Using new computational methods, we show that transcription factors (TFs) occupy multiple loci associated with individual complex genetic disorders. Application to 213 phenotypes and 1,544 TF binding datasets identified 2,264 relationships between hundreds of TFs and 94 phenotypes, including androgen receptor in prostate cancer and GATA3 in breast cancer. Strikingly, nearly half of systemic lupus erythematosus risk loci are occupied by the Epstein-Barr virus EBNA2 protein and many coclustering human TFs, showing gene-environment interaction...
April 16, 2018: Nature Genetics
https://www.readbyqxmd.com/read/29574435/autoimmune-pancreatitis-with-concomitant-autoimmune-haemolytic-anaemia
#4
Lauren Passby, Matthew Harris, Ahmed Al-Mukhtar
Autoimmune pancreatitis (AIP) is an infrequent cause of acute pancreatitis, being more commonly associated with chronic pancreatitis. AIP can be associated with other autoimmune manifestations, including Sjögren's, inflammatory bowel disease, primary biliary cirrhosis, rheumatoid arthritis, hypothyroidism and sarcoidosis. Rarely, concurrent autoimmune haemolytic anaemia (AIHA) is observed, as seen in our case report of a 33-year-old postpartum woman.
March 23, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29551126/role-of-mda-7-il-24-a-multifunction-protein-in-human-diseases
#5
Mitchell E Menezes, Praveen Bhoopathi, Anjan K Pradhan, Luni Emdad, Swadesh K Das, Chunqing Guo, Xiang-Yang Wang, Devanand Sarkar, Paul B Fisher
Subtraction hybridization identified genes displaying differential expression as metastatic human melanoma cells terminally differentiated and lost tumorigenic properties by treatment with recombinant fibroblast interferon and mezerein. This approach permitted cloning of multiple genes displaying enhanced expression when melanoma cells terminally differentiated, called melanoma differentiation associated (mda) genes. One mda gene, mda-7, has risen to the top of the list based on its relevance to cancer and now inflammation and other pathological states, which based on presence of a secretory sequence, chromosomal location, and an IL-10 signature motif has been named interleukin-24 (MDA-7/IL-24)...
2018: Advances in Cancer Research
https://www.readbyqxmd.com/read/29538010/fecal-transplants-in-spondyloarthritis-and-uveitis-ready-for-a-clinical-trial
#6
Rene Y Choi, Mark Asquith, James T Rosenbaum
PURPOSE OF REVIEW: The intestinal microbiome is thought to play a role in the pathogenesis of inflammatory bowel disease (IBD). There are many shared clinical manifestations between IBD and spondyloarthritis (SpA), of which the most common are peripheral arthritis and uveitis. Clinical overlap along with similar genetics between these diseases suggests a possible shared pathogenetic mechanism, which might center on the intestinal microbiota. In this review, we discuss the available evidence that SpA is a microbiome-driven disease and indicate how SpA-associated uveitis could be tied to gut dysbiosis...
March 13, 2018: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/29450453/the-association-of-age-with-clinical-presentation-and-comorbidities-of-pyoderma-gangrenosum
#7
Hovik J Ashchyan, Daniel C Butler, Caroline A Nelson, Megan H Noe, William G Tsiaras, Stephen J Lockwood, William D James, Robert G Micheletti, Misha Rosenbach, Arash Mostaghimi
Importance: Pyoderma gangrenosum is an inflammatory neutrophilic dermatosis. Current knowledge of this rare disease is limited owing to a lack of validated diagnostic criteria and large population studies. Objective: To evaluate the association of age with the clinical presentation and comorbidities of pyoderma gangrenosum. Design, Setting, and Participants: This was a multicenter retrospective cohort study performed at tertiary academic referral centers in urban settings...
February 14, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29444435/ptpn2-regulates-inflammasome-activation-and-controls-onset-of-intestinal-inflammation-and-colon-cancer
#8
Marianne R Spalinger, Roberto Manzini, Larissa Hering, Julianne B Riggs, Claudia Gottier, Silvia Lang, Kirstin Atrott, Antonia Fettelschoss, Florian Olomski, Thomas M Kündig, Michael Fried, Declan F McCole, Gerhard Rogler, Michael Scharl
Variants in the gene locus encoding protein tyrosine phosphatase non-receptor type 2 (PTPN2) are associated with inflammatory disorders, including inflammatory bowel diseases, rheumatoid arthritis, and type 1 diabetes. The anti-inflammatory role of PTPN2 is highlighted by the fact that PTPN2-deficient mice die a few weeks after birth because of systemic inflammation and severe colitis. However, the tissues, cells, and molecular mechanisms that contribute to this phenotype remain unclear. Here, we demonstrate that myeloid cell-specific deletion of PTPN2 in mice (PTPN2-LysMCre) promotes intestinal inflammation but protects from colitis-associated tumor formation in an IL-1β-dependent manner...
February 13, 2018: Cell Reports
https://www.readbyqxmd.com/read/29440001/risk-of-malignancy-associated-with-paediatric-use-of-tumour-necrosis-factor-inhibitors
#9
Timothy Beukelman, Fenglong Xie, Lang Chen, Daniel B Horton, James D Lewis, Ronac Mamtani, Melissa M Mannion, Kenneth G Saag, Jeffrey R Curtis
OBJECTIVE: To determine whether tumour necrosis factor inhibitor (TNFi) use is associated with an increased rate of incident malignancy compared with no TNFi use in the treatment of juvenile idiopathic arthritis (JIA), paediatric inflammatory bowel disease (pIBD) and paediatric plaque psoriasis (pPsO). METHODS: We performed a retrospective cohort study of administrative claims data from the USA from 2000 to 2014. Exposure to TNFi was considered permanent from the first observed exposure onward...
February 9, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29439003/impact-of-red-and-processed-meat-and-fibre-intake-on-treatment-outcomes-among-patients-with-chronic-inflammatory-diseases-protocol-for-a-prospective-cohort-study-of-prognostic-factors-and-personalised-medicine
#10
Robin Christensen, Berit L Heitmann, Karina Winther Andersen, Ole Haagen Nielsen, Signe Bek Sørensen, Mohamad Jawhara, Anette Bygum, Lone Hvid, Jakob Grauslund, Jimmi Wied, Henning Glerup, Ulrich Fredberg, Jan Alexander Villadsen, Søren Geill Kjær, Jan Fallingborg, Seyed A G R Moghadd, Torben Knudsen, Jacob Brodersen, Jesper Frøjk, Jens Frederik Dahlerup, Anders Bo Bojesen, Grith Lykke Sorensen, Steffen Thiel, Nils J Færgeman, Ivan Brandslund, Tue Bjerg Bennike, Allan Stensballe, Erik Berg Schmidt, Andre Franke, David Ellinghaus, Philip Rosenstiel, Jeroen Raes, Mette Boye, Lars Werner, Charlotte Lindgaard Nielsen, Heidi Lausten Munk, Anders Bathum Nexøe, Torkell Ellingsen, Uffe Holmskov, Jens Kjeldsen, Vibeke Andersen
INTRODUCTION: Chronic inflammatory diseases (CIDs) are frequently treated with biological medications, specifically tumour necrosis factor inhibitors (TNFi)). These medications inhibit the pro-inflammatory molecule TNF alpha, which has been strongly implicated in the aetiology of these diseases. Up to one-third of patients do not, however, respond to biologics, and lifestyle factors are assumed to affect treatment outcomes. Little is known about the effects of dietary lifestyle as a prognostic factor that may enable personalised medicine...
February 8, 2018: BMJ Open
https://www.readbyqxmd.com/read/29438762/the-impact-of-underlying-disease-state-on-outcomes-in-patients-with-pyoderma-gangrenosum-a-national-survey
#11
Benjamin H Kaffenberger, Alice Hinton, Somashekar Krishna
BACKGROUND: It is unclear if the underlying disease affects the outcomes in pyoderma gangrenosum. OBJECTIVES: To determine the impact of comorbid disease associations and concomitant procedural treatments on patient outcomes in PG patient-hospitalizations. METHODS: A cross-sectional analysis of the Nationwide Inpatient Sample (NIS) for PG patient-hospitalizations from years 2002-2011, analyzing in-hospital mortality rate and health care resource utilization...
February 10, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29419466/sclerostin-and-antisclerostin-antibody-serum-levels-predict-the-presence-of-axial-spondyloarthritis-in-patients-with-inflammatory-bowel-disease
#12
Michele Maria Luchetti, Francesco Ciccia, Chiara Avellini, Devis Benfaremo, Giuliana Guggino, Alessia Farinelli, Monia Ciferri, Matteo Rossini, Silvia Svegliati, Tatiana Spadoni, Laura Bolognini, Giammarco Fava, Piergiorgio Mosca, Rosaria Gesuita, Edlira Skrami, Giovanni Triolo, Armando Gabrielli
OBJECTIVE: The early diagnosis of inflammatory bowel disease (IBD)-associated spondyloarthritis (SpA/IBD) in patients affected by IBD represents a major topic in clinical practice; in particular, to date there are no available serum biomarkers revealing the presence of joint inflammation in these patients. Sclerostin (SOST), an antagonist of the Wnt/β-catenin pathway, and antisclerostin-immunoglobulin G (anti-SOST-IgG) have been recently studied in patients with ankylosing spondylitis (AS) as a putative marker of disease activity...
February 1, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29398253/t-cells-are-influenced-by-a-long-non-coding-rna-in-the-autoimmune-associated-ptpn2-locus
#13
Miranda Houtman, Klementy Shchetynsky, Karine Chemin, Aase Haj Hensvold, Daniel Ramsköld, Karolina Tandre, Maija-Leena Eloranta, Lars Rönnblom, Steffen Uebe, Anca Irinel Catrina, Vivianne Malmström, Leonid Padyukov
Non-coding SNPs in the protein tyrosine phosphatase non-receptor type 2 (PTPN2) locus have been linked with several autoimmune diseases, including rheumatoid arthritis, type I diabetes, and inflammatory bowel disease. However, the functional consequences of these SNPs are poorly characterized. Herein, we show in blood cells that SNPs in the PTPN2 locus are highly correlated with DNA methylation levels at four CpG sites downstream of PTPN2 and expression levels of the long non-coding RNA (lncRNA) LINC01882 downstream of these CpG sites...
February 2, 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29368688/-comorbidity-in-connection-with-psoriasis-is-more-than-psoriatic-arthritis
#14
Amanda Kvist-Hansen, Hannah Kaiser, Lone Skov, Peter Riis Hansen
Psoriasis is a common chronic inflammatory disease which is associated with extensive comorbidity, including psoriatic arthritis, cardiovascular and cardiometabolic disease, inflammatory bowel disease, malignancy, chronic kidney disease and depression. Clinical guidelines have been developed to target some of these comorbid diseases in patients with psoriasis and should be used by the treating physician.
January 22, 2018: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29358708/selective-autophagy-of-the-adaptor-trif-regulates-innate-inflammatory-signaling
#15
Mohammad Samie, Junghyun Lim, Erik Verschueren, Joshua M Baughman, Ivan Peng, Aaron Wong, Youngsu Kwon, Yasin Senbabaoglu, Jason A Hackney, Mary Keir, Brent Mckenzie, Donald S Kirkpatrick, Menno van Lookeren Campagne, Aditya Murthy
Defective autophagy is linked to diseases such as rheumatoid arthritis, lupus and inflammatory bowel disease (IBD). However, the mechanisms by which autophagy limits inflammation remain poorly understood. Here we found that loss of the autophagy-related gene Atg16l1 promoted accumulation of the adaptor TRIF and downstream signaling in macrophages. Multiplex proteomic profiling identified SQSTM1 and Tax1BP1 as selective autophagy-related receptors that mediated the turnover of TRIF. Knockdown of Tax1bp1 increased production of the cytokines IFN-β and IL-1β...
March 2018: Nature Immunology
https://www.readbyqxmd.com/read/29353127/physical-comorbidities-increase-the-risk-of-psychiatric-comorbidity-in-immune-mediated-inflammatory-disease
#16
Ruth Ann Marrie, Randy Walld, James M Bolton, Jitender Sareen, John R Walker, Scott B Patten, Alexander Singer, Lisa M Lix, Carol A Hitchon, Renée El-Gabalawy, Alan Katz, John D Fisk, Charles N Bernstein
OBJECTIVE: We tested the association between physical comorbidity and incident depression, anxiety disorder and bipolar disorder in three immune-mediated inflammatory diseases (IMID): inflammatory bowel disease (IBD), multiple sclerosis (MS) and rheumatoid arthritis (RA) versus age-, sex- and geographically-matched controls. METHODS: Using population-based administrative data we identified 6119 persons with IBD, 3514 persons with MS, 10,206 persons with RA and 97,727 matched controls...
March 2018: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29349901/inflammatory-back-pain-and-associated-disease-conditions-among-patients-with-chronic-low-back-pain-in-bangladesh
#17
Sabrina Yesmin, Syed Jamil Abdal, Aminur Rahman, Md Nazrul Islam, Alamgir Mustak Ahammad, Shamim Ahmed, Md Abu Shahin, Minhaj Rahim Chowdhury, Syed Atiqul Haq
AIM: Inflammatory back pain (IBP) is the earliest symptom of axial and other forms of spondyloarthritis (SpA). However, there are no published data on prevalence of IBP among patients suffering from chronic low back pain (CLBP) in Bangladesh. In this study, we estimated the prevalence of IBP and the subtypes of SpA in a tertiary hospital in Bangladesh. METHODS: This 1 year cross-sectional study was conducted among 240 CLBP patients in a rheumatology outpatient clinic...
January 18, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29332708/management-of-psoriasis-in-patients-with-inflammatory-bowel-disease-from-the-medical-board-of-the-national-psoriasis-foundation
#18
REVIEW
Scott M Whitlock, Clinton W Enos, April W Armstrong, Alice Gottlieb, Richard G Langley, Mark Lebwohl, Joseph F Merola, Caitriona Ryan, Michael P Siegel, Jeffrey M Weinberg, Jashin J Wu, Abby S Van Voorhees
BACKGROUND: There is a significant association between psoriasis and inflammatory bowel disease (IBD). Many treatments for psoriasis and psoriatic arthritis are also used for IBD. OBJECTIVE: To assess therapeutic options for patients with psoriasis and concurrent IBD. METHODS: A systematic literature search was performed for clinical studies of biologic and systemic psoriasis medications in psoriasis, psoriatic arthritis, ulcerative colitis, and Crohn's disease, for the period from January 1, 1947, to February 14, 2017...
February 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29318966/chronic-inflammatory-diseases-and-atherosclerotic-cardiovascular-disease-innocent-bystanders-or-partners-in-crime
#19
Peter Riis Hansen
Inflammation plays a significant role in atherosclerosis and cardiovascular disease (CVD). Patients with chronic inflammatory diseases are at increased risk of CVD, but it is debated whether this association is causal or dependent on shared risk factors, other exposures, genes, and/or inflammatory pathways. The current review summarizes epidemiological, clinical, and experimental data supporting the role of shared inflammatory mechanisms between atherosclerotic CVD and rheumatoid arthritis, psoriasis, inflammatory bowel disease, and periodontitis, respectively, and provides insights to future prospects in this area of research...
January 9, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29275836/a-cellular-and-molecular-view-of-t-helper-17-cell-plasticity-in-autoimmunity
#20
REVIEW
Ralph Stadhouders, Erik Lubberts, Rudi W Hendriks
Since the original identification of the T helper 17 (Th17) subset in 2005, it has become evident that these cells do not only contribute to host defence against pathogens, such as bacteria and fungi, but that they are also critically involved in the pathogenesis of many autoimmune diseases. In contrast to the classic Th1 and Th2 cells, which represent rather stably polarized subsets, Th17 cells display remarkable heterogeneity and plasticity. This has been attributed to the characteristics of the key transcription factor that guides Th17 differentiation, retinoic acid receptor-related orphan nuclear receptor gamma (RORγ)...
February 2018: Journal of Autoimmunity
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