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Connective Disease and Crohn's Disease

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https://www.readbyqxmd.com/read/27796880/telocytes-in-chronic-inflammatory-and-fibrotic-diseases
#1
Lidia Ibba-Manneschi, Irene Rosa, Mirko Manetti
Telocytes are a peculiar stromal (interstitial) cell type implicated in tissue homeostasis and development, as well as in the pathophysiology of several disorders. Severe damage and reduction of telocytes have been reported during fibrotic remodeling of multiple organs in various diseases, including scleroderma, Crohn's disease, ulcerative colitis, and liver fibrosis, as well as in chronic inflammatory lesions like those of primary Sjögren's syndrome and psoriasis. Owing to their close relationship with stem cells, telocytes are also supposed to contribute to tissue repair/regeneration...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27760077/the-gut-microbiome-of-pediatric-crohn-s-disease-patients-differs-from-healthy-controls-in-genes-that-can-influence-the-balance-between-a-healthy-and-dysregulated-immune-response
#2
Katherine A Dunn, Jessica Moore-Connors, Brad MacIntyre, Andrew Stadnyk, Nikhil A Thomas, Angela Noble, Gamal Mahdi, Mohsin Rashid, Anthony R Otley, Joseph P Bielawski, Johan Van Limbergen
BACKGROUND: Exclusive enteral nutrition (EEN) is a first-line therapy in pediatric Crohn's disease (CD) thought to induce remission through changes in the gut microbiome. With microbiome assessment largely focused on microbial taxonomy and diversity, it remains unclear to what extent EEN induces functional changes that thereby contribute to its therapeutic effect. METHODS: Fecal samples were collected from 15 pediatric CD patients prior to and after EEN treatment, as well as from 5 healthy controls...
November 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27755272/inflammatory-bowel-disease-ibd-connect-a-novel-volunteer-program-for-hospitalized-patients-with-ibd-and-their-families
#3
Jana G Hashash, Randi Sigal, Pamela Wein-Levy, Eva M Szigethy, Joy J Merusi, Miguel D Regueiro
Patients with inflammatory Bowel Disease (IBD) often require hospitalization and this experience is stressful. Health care providers frequently do not have adequate time to address the emotional impact of the hospitalization on the patient and family. Nonmedical support for inpatients was identified as an unmet need by a Crohn's disease patient's family. This led to the development of a volunteer peer specialist network, IBD Connect, where peer volunteers visit hospitalized patients with IBD to offer emotional support and educational materials...
November 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27717092/the-autoimmunity-oral-microbiome-connection
#4
N Nikitakis, W Papaioannou, L I Sakkas, E Kousvelari
To date there is a major effort in deciphering the role of complex microbial communities, especially the oral and gut microbiomes, in the pathogenesis of various diseases. Increasing evidence indicates a key role for the oral microbiome in autoimmune diseases. In this review article, we discuss links of the oral microbiota to a group of autoimmune diseases, i.e., Sjögren's syndrome (SS), systemic lupus erythematosus (SLE), Crohn's disease (CD), and rheumatoid arthritis (RA). We particularly focus on factors that affect the balance between the immune system and the composition of microbiota leading to dysbiosis, loss of tolerance and subsequent autoimmune disease progression and maintenance...
October 7, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27609333/urine-metabolome-profiling-of-immune-mediated-inflammatory-diseases
#5
Arnald Alonso, Antonio Julià, Maria Vinaixa, Eugeni Domènech, Antonio Fernández-Nebro, Juan D Cañete, Carlos Ferrándiz, Jesús Tornero, Javier P Gisbert, Pilar Nos, Ana Gutiérrez Casbas, Lluís Puig, Isidoro González-Álvaro, José A Pinto-Tasende, Ricardo Blanco, Miguel A Rodríguez, Antoni Beltran, Xavier Correig, Sara Marsal
BACKGROUND: Immune-mediated inflammatory diseases (IMIDs) are a group of complex and prevalent diseases where disease diagnostic and activity monitoring is highly challenging. The determination of the metabolite profiles of biological samples is becoming a powerful approach to identify new biomarkers of clinical utility. In order to identify new metabolite biomarkers of diagnosis and disease activity, we have performed the first large-scale profiling of the urine metabolome of the six most prevalent IMIDs: rheumatoid arthritis, psoriatic arthritis, psoriasis, systemic lupus erythematosus, Crohn's disease, and ulcerative colitis...
September 8, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27548430/the-search-for-causative-environmental-factors-in-inflammatory-bowel-disease
#6
Gerhard Rogler, Jonas Zeitz, Luc Biedermann
Inflammatory bowel disease (IBD) has become a 'prototype disease' for chronic auto-inflammatory disorders with a polygenic background and important multifaceted environmental trigger components. The environmental factors contribute both to pathogenesis and disease flares. Thus, IBD is a disease par excellence to study the interactions between host genetics, environmental factors (such as infections or smoking) and 'in-vironmental' factors - for example, our intestinal microbiota. Longitudinal intercurrent events, including the impact of long-term medication on disease progression or stabilization, can exemplarily be studied in this disease group...
2016: Digestive Diseases
https://www.readbyqxmd.com/read/27531998/mucosal-interactions-between-genetics-diet-and-microbiome-in-inflammatory-bowel-disease
#7
REVIEW
Abigail Basson, Ashley Trotter, Alex Rodriguez-Palacios, Fabio Cominelli
Numerous reviews have discussed gut microbiota composition changes during inflammatory bowel diseases (IBD), particularly Crohn's disease (CD). However, most studies address the observed effects by focusing on studying the univariate connection between disease and dietary-induced alterations to gut microbiota composition. The possibility that these effects may reflect a number of other interconnected (i.e., pantropic) mechanisms, activated in parallel, particularly concerning various bacterial metabolites, is in the process of being elucidated...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27459267/association-of-inflammatory-bowel-disease-with-ankylosing-spondylitis-and-rheumatoid-arthritis-a-nationwide-population-based-study
#8
Jung Min Bae, Ji Yoon Choo, Ki-Jo Kim, Kyung-Su Park
OBJECTIVES: Tantalizing connections between autoimmune rheumatic diseases (ARDs) and inflammatory bowel disease (IBD) have become evident with regard to their genetic and immunologic background. However, the association between these two disease entities remains unclear. The aim of this study is to investigate the association between each ARD and IBD. METHODS: A nationwide population-based cross-sectional study was performed using the Korean National Health Insurance Claims database...
July 26, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27310096/rheumatologic-and-extraintestinal-manifestations-of-inflammatory-bowel-diseases
#9
Ripalta Colìa, Addolorata Corrado, Francesco Paolo Cantatore
Inflammatory bowel diseases (IBDs) often present as a complex inflammatory process wherein colon lesions (ulcerative colitis, UC) or widespread ulceration and fissure (Crohn's disease, CD) might be accompanied by ancillary extraintestinal manifestations (EIMs) that could involve almost every organ system, but also by autoimmune disorders ranging from psoriasis and rheumatoid arthritis to connective tissue diseases. Certain EIMs are more common related to the activity of the IBD (joint, skin, ocular and oral manifestations), other EIMs typically run a course independent of the IBD activity (hepatobiliary disorders) and some are non-specific disorders (osteoporosis and amyloidosis)...
June 16, 2016: Annals of Medicine
https://www.readbyqxmd.com/read/27110308/osteoprotegerin-s-rankl-and-selected-interleukins-in-the-pathology-of-bone-metabolism-in-patients-with-crohn-s-disease
#10
Iwona Krela-Kaźmierczak, Ewa Wysocka, Aleksandra Szymczak, Piotr Eder, Michał Michalak, Liliana Łykowska-Szuber, Kamila Stawczyk-Eder, Katarzyna Klimczak, Krzysztof Linke, Wanda Horst-Sikorska
INTRODUCTION: Crohn's disease (CD) promotes the development of osteopaenia/osteoporosis, the cytokine background of which is not fully known. AIM: Evaluation of bone mineral density (BMD), the prevalence of osteopaenia and osteoporosis, and the determination of the levels of selected interleukins (IL), osteoprotegerin (OPG), and s-RANKL proteins in patients with CD in relation to a control group and assessment of the relationship between the tested cytokines, OPG, s-RANKL, and BMD...
2016: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/27021506/disease-phenotype-activity-and-clinical-course-prediction-based-on-c-reactive-protein-levels-at-diagnosis-in-patients-with-crohn-s-disease-results-from-the-connect-study
#11
Jee Hye Kwon, Jong Pil Im, Byong Duk Ye, Jae Hee Cheon, Hyun Joo Jang, Kang Moon Lee, You Sun Kim, Sang Wook Kim, Young Ho Kim, Geun Am Song, Dong Soo Han, Won Ho Kim, Joo Sung Kim
BACKGROUND/AIMS: C-reactive protein (CRP) is an easily measured index of disease activity, but its ability to predict clinical course is controversial. We therefore designed a study to determine whether the CRP level at Crohn's disease (CD) diagnosis is a valuable indicator of the disease phenotype, activity, and clinical course. METHODS: We retrospectively analyzed 705 CD patients from 32 institutions. The patients were classified into two groups according to CRP level...
July 15, 2016: Gut and Liver
https://www.readbyqxmd.com/read/27016400/concise-review-cellular-therapies-the-potential-to-regenerate-and-restore-tolerance-in-immune-mediated-intestinal-diseases
#12
Rachele Ciccocioppo, Giuseppina Cristina Cangemi, Peter Kruzliak, Gino Roberto Corazza
Chronic inflammatory enteropathies, including celiac disease, Crohn's disease, and ulcerative colitis, are lifelong disabling conditions whose cure is still an unmet need, despite the great strides made in understanding their complex pathogenesis. The advent of cellular therapies, mainly based on the use of stem cells, represents a great step forward thanks to their multitarget strategy. Both hematopoietic stem cells (HSC) and mesenchymal stem/stromal cells (MSC) have been employed in the treatment of refractory cases with promising results...
June 2016: Stem Cells
https://www.readbyqxmd.com/read/26968111/trafficking-of-antigens-from-gut-to-sacroiliac-joints-and-spine-in-reactive-arthritis-and-spondyloarthropathies-mainly-through-lymphatics
#13
Jean-Marie Berthelot, Pascal Claudepierre
Bacterial trafficking from gut to mesenteric lymph nodes is physiologic only for a few commensal species, like Alcaligenes which produces antimicrobial-substances inhibiting growth of pathogenic bacteria. In reactive arthritis, some living bacteria transiently manage to travel from gut to joints/enthesis within dendritic cells and/or macrophages. Migration of dead or dormant bacteria outside the gut in spondyloarthropathies, including those associated with Crohn's disease, can occur either through blood or lymphatics...
October 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/26880890/treatment-with-a-monoclonal-anti-il-12p40-antibody-induces-substantial-gut-microbiota-changes-in-an-experimental-colitis-model
#14
Josué Castro-Mejía, Maja Jakesevic, Łukasz Krych, Dennis S Nielsen, Lars H Hansen, Bodil C Sondergaard, Peter H Kvist, Axel K Hansen, Thomas L Holm
Background and Aim. Crohn's disease is associated with gut microbiota (GM) dysbiosis. Treatment with the anti-IL-12p40 monoclonal antibody (12p40-mAb) has therapeutic effect in Crohn's disease patients. This study addresses whether a 12p40-mAb treatment influences gut microbiota (GM) composition in mice with adoptive transfer colitis (AdTr-colitis). Methods. AdTr-colitis mice were treated with 12p40-mAb or rat-IgG2a or NaCl from days 21 to 47. Disease was monitored by changes in body weight, stool, endoscopic and histopathology scores, immunohistochemistry, and colonic cytokine/chemokine profiles...
2016: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/26855817/influence-of-environmental-factors-in-the-development-of-inflammatory-bowel-diseases
#15
REVIEW
Evangelia Legaki, Maria Gazouli
Idiopathic inflammatory bowel diseases (IBD), Crohn's disease (CD) and ulcerative colitis (UC), are multifactorial diseases that are manifested after disruption of a genetic predisposed individual and its intestinal microflora through an environmental stimulus. Urbanization and industrialization are associated with IBD. Epidemiological data, clinical observations and family/immigrants studies indicate the significance of environmental influence in the development of IBD. Some environmental factors have a different effect on the subtypes of IBD...
February 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/26849729/o-011%C3%A2-paneth-cell-phenotypes-define-a-subtype-of-pediatric-crohn-s-disease-through-alterations-in-host-microbial-interactions
#16
Ta-Chiang Liu, Bhaskar Gurram, Megan Baldridge, Richard Head, Vy Lam, Chengwei Luo, Yumei Cao, Pippa Simpson, Michael Hayward, Mary Holtz, Joshua Noe, Diana Lerner, Jose Cabrera, Vincent Biank, Michael Stephens, Curtis Huttenhower, Dermot McGovern, Ramnik Xavier, Thaddeus Stappenbeck, Nita Salzman
BACKGROUND: To identify and develop novel targeted therapies for complex diseases such as Crohn's disease (CD), functional subtypes rooted in pathogenesis must be defined. One candidate method to subtype CD is to define the small intestinal Paneth cell phenotypes based on the intracellular distribution of antimicrobial proteins. We have previously shown that in CD patients, Paneth cell phenotype correlates with the patients' genotype, distinct gene expression signature, presence of granuloma (pathologic hallmark), and time to recurrence after surgery...
March 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/26647084/clinical-factors-and-disease-course-related-to-diagnostic-delay-in-korean-crohn-s-disease-patients-results-from-the-connect-study
#17
Chang Mo Moon, Sung-Ae Jung, Seong-Eun Kim, Hyun Joo Song, Yunho Jung, Byong Duk Ye, Jae Hee Cheon, You Sun Kim, Young-Ho Kim, Joo Sung Kim, Dong Soo Han
Diagnostic delay frequently occurs in Crohn's disease (CD) patients because of diagnostic limitations. However, diagnostic delay and its related factors remain poorly defined. Therefore, we aimed to identify the predictors associated with diagnostic delay and to evaluate the impact of diagnostic delay on clinical course in a Korean CD patient cohort. We performed a multicenter retrospective analysis of 1,047 CD patients registered in the Crohn's Disease Clinical Network and Cohort study in Korea. The mean interval of diagnostic delay was 16...
2015: PloS One
https://www.readbyqxmd.com/read/26641498/association-of-extrahepatic-manifestations-with-autoimmune-hepatitis
#18
Guan Wee Wong, Michael A Heneghan
For many patients with autoimmune hepatitis (AIH), the presence of extrahepatic features is well recognised both at the time of presentation and during long-term follow-up. Concomitant 'autoimmune disorders' have been described in 20-50% of patients with AIH, both in adults and children. Indeed, the presence of these associated phenomena has been incorporated into both the original and revised International AIH group scoring systems as an aid to codifying the diagnosis. In acute index presentations, non-specific joint pains sometimes flitting in nature have been reported in 10-60% of patients, and while joint swelling is uncommon, rheumatoid arthritis and mixed connective tissue disease have been reported in 2-4% of patients with AIH...
2015: Digestive Diseases
https://www.readbyqxmd.com/read/26569605/site-specific-microrna-expression-may-lead-to-different-subtypes-in-ulcerative-colitis
#19
Raju Ranjha, Surbhi Aggarwal, Sawan Bopanna, Vineet Ahuja, Jaishree Paul
BACKGROUND AND AIM: Ulcerative Colitis (UC) is a type of inflammatory bowel disease, considered as an important disease of gastrointestinal tract having a huge impact on the health of the patient. Prolonged inflammation of colon in UC patients increases the risk of developing colorectal cancer. MiRNA are reported as a connecting link between inflammation and cancer. Differential miRNA expression is reported in Crohn's disease (CD) patients involving various regions of the gastrointestinal tract...
2015: PloS One
https://www.readbyqxmd.com/read/26552775/disease-associations-in-eosinophilic-oesophagitis-and-oesophageal-eosinophilia
#20
REVIEW
Alfredo J Lucendo
Eosinophilic infiltration into oesophageal tissue, typical of eosinophilic oesophagitis (EoE), has been described in several other conditions, including infections, hypersensitivity, and other autoimmune disorders. Since its description, EoE has been associated with an increasing number of diseases also characterized by tissue infiltration, including eosinophilic gastroenteritis and Crohn's disease. While an association between EoE and coeliac disease was previously reported, it is not supported by recent research...
October 2015: Best Practice & Research. Clinical Gastroenterology
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