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https://www.readbyqxmd.com/read/28335003/identification-of-genetic-variants-affecting-vitamin-d-receptor-binding-and-associations-with-autoimmune-disease
#1
Giuseppe Gallone, Wilfried Haerty, Giulio Disanto, Sreeram V Ramagopalan, Chris P Ponting, Antonio J Berlanga-Taylor
Large numbers of statistically significant associations between sentinel SNPs and case-control status have been replicated by genome-wide association studies. Nevertheless, few underlying molecular mechanisms of complex disease are currently known. We investigated whether variation in binding of a transcription factor, the vitamin D receptor (VDR) whose activating ligand vitamin D has been proposed as a modifiable factor in multiple disorders, could explain any of these associations. VDR modifies gene expression by binding DNA as a heterodimer with the Retinoid X receptor (RXR)...
March 9, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28329591/an-erythematous-papular-eruption-in-a-woman-with-crohn-disease-treated-with-infliximab
#2
Hannah E Howard, Jeffrey P Zwerner, Jeffrey Byers, Eric Tkaczyk
We report the case of a 44-year-old woman with a history of Crohn disease treated with infliximab who presented with erythematous papules and plaques on the upper extremities accompanied by fevers. She was subsequently diagnosed with palisaded neutrophilic and granulomatous dermatitis (PNGD). Whereas immune-complex mediated diseases such as rheumatoid arthritis and systemic lupus erythematosus are most commonly associated, inflammatory bowel disease deserves increased consideration as one of the systemic diseases that can present with PNGD...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28299772/immunology-provides-a-great-success-for-treating-systemic-autoimmune-diseases-a-perspective-on-immunopharmacology-iuphar-review-x
#3
REVIEW
Masaru Ishii
Recent advances in the bioengineering of monoclonal antibodies (mAbs) have revolutionized the treatment of several immunological and rheumatic diseases. mAbs exhibit high specificity and affinity, and are very effective targeting agents, associated with minimal off-target adverse effects. Of several relevant immunological diseases, rheumatoid arthritis was the condition initially treated with mAbs, with great success. Currently, many immunological disorders are targeted and successfully treated using such novel approaches; these include inflammatory bowel diseases, multiple sclerosis, lupus, and psoriasis...
March 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28292977/the-host-microbiome-regulates-and-maintains-human-health-a-primer-and-perspective-for-non-microbiologists
#4
REVIEW
Sunil Thomas, Jacques Izard, Emily Walsh, Kristen Batich, Pakawat Chongsathidkiet, Gerard Clarke, David A Sela, Alexander J Muller, James M Mullin, Korin Albert, John P Gilligan, Katherine DiGuilio, Rima Dilbarova, Walker Alexander, George C Prendergast
Humans consider themselves discrete autonomous organisms, but recent research is rapidly strengthening the appreciation that associated microorganisms make essential contributions to human health and well being. Each person is inhabited and also surrounded by his/her own signature microbial cloud. A low diversity of microorganisms is associated with a plethora of diseases, including allergy, diabetes, obesity, arthritis, inflammatory bowel diseases, and even neuropsychiatric disorders. Thus, an interaction of microorganisms with the host immune system is required for a healthy body...
March 14, 2017: Cancer Research
https://www.readbyqxmd.com/read/28288653/inflammatory-bowel-disease-following-anti-interleukin-1-treatment-in-systemic-juvenile-idiopathic-arthritis
#5
Boris Hügle, Fabian Speth, Johannes-Peter Haas
BACKGROUND: Inflammatory bowel disease can develop in the context of some rheumatic diseases in childhood, including juvenile idiopathic arthritis (JIA). Inflammatory bowel disease (IBD) is frequently associated with other immune-mediated diseases; however, systemic onset JIA (sJIA) has not previously been connected to IBD. Treatment of sJIA has significantly changed in recent years, possibly causing changes in inflammatory patterns. Therefore, data from the German Center for Pediatric and Adolescent Rheumtology from 2010 until 2015 were analyzed by retrospective chart review...
March 14, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28286503/wnt-tlr-dialog-in-neuroinflammation-relevance-in-alzheimer-s-disease
#6
REVIEW
Juan M Zolezzi, Nibaldo C Inestrosa
The innate immune system (IIS) represents the first line of defense against exogenous and endogenous harmful stimuli. Different types of pathogens and diverse molecules can activate the IIS via a ligand-receptor mechanism. Cytokine release, recruitment of immunocompetent cells, and inflammation constitute the initial steps in an IIS-mediated response. While balanced IIS activity can resolve a harmful event, an altered response, such as deficient or persistent IIS activity, will have a critical effect on organism homeostasis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28276471/meprin-metalloproteases-generate-biologically-active-soluble-interleukin-6-receptor-to-induce-trans-signaling
#7
Philipp Arnold, Inga Boll, Michelle Rothaug, Neele Schumacher, Frederike Schmidt, Rielana Wichert, Janna Schneppenheim, Juliane Lokau, Ute Pickhinke, Tomas Koudelka, Andreas Tholey, Björn Rabe, Jürgen Scheller, Ralph Lucius, Christoph Garbers, Stefan Rose-John, Christoph Becker-Pauly
Soluble Interleukin-6 receptor (sIL-6R) mediated trans-signaling is an important pro-inflammatory stimulus associated with pathological conditions, such as arthritis, neurodegeneration and inflammatory bowel disease. The sIL-6R is generated proteolytically from its membrane bound form and A Disintegrin And Metalloprotease (ADAM) 10 and 17 were shown to perform ectodomain shedding of the receptor in vitro and in vivo. However, under certain conditions not all sIL-6R could be assigned to ADAM10/17 activity. Here, we demonstrate that the IL-6R is a shedding substrate of soluble meprin α and membrane bound meprin β, resulting in bioactive sIL-6R that is capable of inducing IL-6 trans-signaling...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28264814/risk-of-serious-infections-associated-with-use-of-immunosuppressive-agents-in-pregnant-women-with-autoimmune-inflammatory-conditions-cohort-study
#8
Rishi J Desai, Brian T Bateman, Krista F Huybrechts, Elisabetta Patorno, Sonia Hernandez-Diaz, Yoonyoung Park, Sara Z Dejene, Jacqueline Cohen, Helen Mogun, Seoyoung C Kim
Objective To compare the risk of serious infections associated with use of systemic steroids, non-biologic agents, or tumor necrosis factor α (TNF) inhibitors in pregnancy.Design Observational cohort study.Setting Public (Medicaid, 2001-10) or private (Optum Clinformatics, 2004-15) health insurance programs in the US.Participants 4961 pregnant women treated with immunosuppressive drugs for rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis, psoriatic arthritis, or inflammatory bowel disease...
March 6, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28263993/analysis-of-the-human-monocyte-derived-macrophage-transcriptome-and-response-to-lipopolysaccharide-provides-new-insights-into-genetic-aetiology-of-inflammatory-bowel-disease
#9
J Kenneth Baillie, Erik Arner, Carsten Daub, Michiel De Hoon, Masayoshi Itoh, Hideya Kawaji, Timo Lassmann, Piero Carninci, Alistair R R Forrest, Yoshihide Hayashizaki, Geoffrey J Faulkner, Christine A Wells, Michael Rehli, Paul Pavli, Kim M Summers, David A Hume
The FANTOM5 consortium utilised cap analysis of gene expression (CAGE) to provide an unprecedented insight into transcriptional regulation in human cells and tissues. In the current study, we have used CAGE-based transcriptional profiling on an extended dense time course of the response of human monocyte-derived macrophages grown in macrophage colony-stimulating factor (CSF1) to bacterial lipopolysaccharide (LPS). We propose that this system provides a model for the differentiation and adaptation of monocytes entering the intestinal lamina propria...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28255960/jak-stat-signaling-as-a-target-for-inflammatory-and-autoimmune-diseases-current-and-future-prospects
#10
REVIEW
Shubhasree Banerjee, Ann Biehl, Massimo Gadina, Sarfaraz Hasni, Daniella M Schwartz
The Janus kinase/signal transduction and activator of transcription (JAK-STAT) signaling pathway is implicated in the pathogenesis of inflammatory and autoimmune diseases including rheumatoid arthritis, psoriasis, and inflammatory bowel disease. Many cytokines involved in the pathogenesis of autoimmune and inflammatory diseases use JAKs and STATs to transduce intracellular signals. Mutations in JAK and STAT genes cause a number of immunodeficiency syndromes, and polymorphisms in these genes are associated with autoimmune diseases...
March 3, 2017: Drugs
https://www.readbyqxmd.com/read/28247429/large-population-study-shows-that-adolescents-with-celiac-disease-have-an-increased-risk-of-multiple-autoimmune-and-non-autoimmune-comorbidities
#11
Amit Assa, Yael Frenkel-Nir, Dorit Tzur, Lior H Katz, Raanan Shamir
AIM: Celiac disease (CD) is a systemic disorder that is associated with various autoimmune disorders and a higher prevalence of other diagnoses and complications. This large, cross-sectional, population-based study investigated the associations between CD and various medical conditions during late adolescence. METHODS: We included 2,001,353 Jewish Israeli adolescents who underwent a general health examination at a median age of 17.1 (16.9-17.4) years from 1988-2015...
March 1, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28218339/pattern-and-severity-of-psoriasiform-eruptions-in-patients-with-inflammatory-bowel-diseases-arthritis-or-skin-inflammatory-disorders-treated-with-tnf-alpha-inhibitors
#12
Anne-Sophie Darrigade, Brigitte Milpied, Marie-Elise Truchetet, Thierry Schaeverbeke, David Laharie, Frank Zerbib, Marie Beylot-Barry, Thomas Jouary, Alain Taïeb, Khaled Ezzedine, Julien Seneschal
Psoriasiform eruptions are a classical adverse skin reaction of tumour necrosis factor (TNF)-α inhibitors. The aim of this study was to identify the association between the severity or pattern of psoriasiform reactions and the underlying disease. A retrospective study was conducted between January 2012 and May 2015. Adult patients who developed psoriasiform eruptions whilst being treated with TNFα inhibitors were included. For each patient, 3 independent blinded dermatologists graded twice the severity of the lesions according to 6 clinical psoriasiform eruption types...
February 20, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28212760/psoriasis-and-comorbid-diseases-implications-for-management
#13
REVIEW
Junko Takeshita, Sungat Grewal, Sinéad M Langan, Nehal N Mehta, Alexis Ogdie, Abby S Van Voorhees, Joel M Gelfand
As summarized in the first article in this continuing medical education series, the currently available epidemiologic data suggest that psoriasis may be a risk factor for cardiometabolic disease. Emerging data also suggest associations between psoriasis and other comorbidities beyond psoriatic arthritis, including chronic kidney disease, inflammatory bowel disease, hepatic disease, certain malignancies, infections, and mood disorders. Recognizing the comorbid disease burden of psoriasis is essential for ensuring comprehensive care of patients with psoriasis...
March 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28194777/familial-mediterranean-fever-patients-with-hidradenitis-suppurativa
#14
Secil Vural, Mustafa Gundogdu, Nihal Kundakci, Thomas Ruzicka
BACKGROUND: Hidradenitis suppurativa (HS) has recently been described as a component of two autoinflammatory syndromes: PASH (pyoderma gangrenosum, acne, and HS) and PAPASH (pyoderma gangrenosum, acne, pyogenic arthritis, and HS). These associations together with others such as inflammatory bowel diseases suggest that defects in autoinflammatory pathways may play a role in the pathogenesis of HS. OBJECTIVES: To describe clinical and genetic characteristics of two unrelated patients with HS and familial Mediterranean fever (FMF)...
February 14, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28187197/genetic-variants-alter-t-bet-binding-and-gene-expression-in-mucosal-inflammatory-disease
#15
Katrina Soderquest, Arnulf Hertweck, Claudia Giambartolomei, Stephen Henderson, Rami Mohamed, Rimma Goldberg, Esperanza Perucha, Lude Franke, Javier Herrero, Vincent Plagnol, Richard G Jenner, Graham M Lord
The polarization of CD4+ T cells into distinct T helper cell lineages is essential for protective immunity against infection, but aberrant T cell polarization can cause autoimmunity. The transcription factor T-bet (TBX21) specifies the Th1 lineage and represses alternative T cell fates. Genome-wide association studies have identified single nucleotide polymorphisms (SNPs) that may be causative for autoimmune diseases. The majority of these polymorphisms are located within non-coding distal regulatory elements...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28186427/meta-analysis-of-risk-association-between-interleukin-17a-and-f-gene-polymorphisms-and-inflammatory-diseases
#16
Ebrahim Eskandari-Nasab, Mehdi Moghadampour, Arezoo Tahmasebi
This meta-analysis examined the relationship between IL-17A (rs2275913) and IL17F (rs763780 T/C) gene polymorphisms and the risk of inflammatory diseases, including periodontitis, rheumatoid arthritis (RA), and inflammatory bowel disease. PubMed, MEDLINE, EMBASE, Web of Science, and Elsevier Science Direct were searched, and odds ratios (ORs) with 95% confidence interval (CI) were calculated to estimate the strength of the association. A total of 25 studies comprising 7,474 cases and 10,628 controls were included...
February 10, 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28183265/some-important-dietary-polyphenolic-compounds-an-anti-inflammatory-and-immunoregulatory-perspective
#17
Mayank Kinger, Sushil Kumar, Vinod Kumar
Inflammation plays an important role in maintaining the body's homeostasis. It repairs the damaged tissues of the body resulting from injury or infection. In addition, a diverse array of diseases like hepatitis, arthritis and colitis has been reported and described to be associated with inflammatory processes. Some autoimmune diseases like inflammatory bowel disease (IBD) emerge by the influence of numerous genes in complex environmental situations belongs to inflammation. The currently available processes for curing inflammation and related disorders facilitate the use of non steroidal anti-inflammatory drugs (NSAIDs)...
February 8, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28179509/iga-coated-e-coli-enriched-in-crohn-s-disease-spondyloarthritis-promote-th17-dependent-inflammation
#18
Monica Viladomiu, Charles Kivolowitz, Ahmed Abdulhamid, Belgin Dogan, Daniel Victorio, Jim G Castellanos, Viola Woo, Fei Teng, Nhan L Tran, Andrew Sczesnak, Christina Chai, Myunghoo Kim, Gretchen E Diehl, Nadim J Ajami, Joseph F Petrosino, Xi K Zhou, Sergio Schwartzman, Lisa A Mandl, Meira Abramowitz, Vinita Jacob, Brian Bosworth, Adam Steinlauf, Ellen J Scherl, Hsin-Jung Joyce Wu, Kenneth W Simpson, Randy S Longman
Peripheral spondyloarthritis (SpA) is a common extraintestinal manifestation in patients with active inflammatory bowel disease (IBD) characterized by inflammatory enthesitis, dactylitis, or synovitis of nonaxial joints. However, a mechanistic understanding of the link between intestinal inflammation and SpA has yet to emerge. We evaluated and functionally characterized the fecal microbiome of IBD patients with or without peripheral SpA. Coupling the sorting of immunoglobulin A (IgA)-coated microbiota with 16S ribosomal RNA-based analysis (IgA-seq) revealed a selective enrichment in IgA-coated Escherichia coli in patients with Crohn's disease-associated SpA (CD-SpA) compared to CD alone...
February 8, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28168136/palisaded-granulomatous-dermatitis-associated-with-ulcerative-colitis-a-comprehensive-literature-review
#19
REVIEW
Katherine M Stiff, Philip R Cohen
Palisaded granulomatous dermatitis is an uncommon pathologic condition potentially associated with several disorders. These include drugs, inflammatory bowel disease, multiple myelomas, rheumatoid arthritis, and systemic lupus erythematosus. An illustrative case of a man with palisaded granulomatous dermatitis who subsequently developed ulcerative colitis is described, and the characteristics of other individuals with ulcerative colitis-associated palisaded granulomatous dermatitis are reviewed. PubMed was used to search the following terms: palisaded, interstitial, granulomatous, dermatitis, ulcerative colitis, and neutrophilic...
January 6, 2017: Curēus
https://www.readbyqxmd.com/read/28148698/the-juvenile-psoriatic-arthritis-cohort-in-the-carra-registry-clinical-characteristics-classification-and-outcomes
#20
Devy Zisman, Dafna D Gladman, Matthew L Stoll, Vibeke Strand, Idit Lavi, Joyce J Hsu, Elizabeth D Mellins
OBJECTIVE: Children with clinically diagnosed juvenile psoriatic arthritis (JPsA) who were enrolled in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) registry (CARRA-JPsA) were classified according to pediatric International League of Associations for Rheumatology (ILAR) and adult criteria [Classification criteria for Psoriatic Arthritis (CASPAR)]. Data on demographic and clinical features at baseline and 1-year followup were analyzed and compared. METHODS: Cross-sectional analysis was performed of CARRA-JPsA patients enrolled between May 2010 and December 2013 and stratified according to age at disease onset (≤ or > 4 yrs)...
February 1, 2017: Journal of Rheumatology
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