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Chronic inflammatory bowel disease

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https://www.readbyqxmd.com/read/28102757/dysbiosis-in-crohn-s-disease-joint-action-of-stochastic-injuries-and-focal-inflammation-in-the-gut
#1
Ludovica F Buttó, Dirk Haller
Gut homeostasis involves interrelated biological networks that include the immune system, specialized cells of the epithelium, such as Paneth and goblet cells, as well as triggers derived from the microbiota. Disruption of these homeostatic interactions may lead to the pathogenesis of inflammatory bowel diseases (IBD). To develop more targeted and individual treatments in Crohn's disease and ulcerative colitis, it becomes more and more important to link key mechanisms of the disease pathogenesis to distinct IBD subsets...
January 19, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28102669/intervention-of-isomaltodextrin-mitigates-intestinal-inflammation-in-a-dextran-sodium-sulfate-induced-mouse-model-of-colitis-via-inhibition-of-toll-like-receptor-4
#2
Kaustav Majumder, Toshihiko Fukuda, Hua Zhang, Takeo Sakurai, Yoshifumi Taniguchi, Hikaru Watanabe, Hitoshi Mitsuzumi, Toshiro Matsui, Yoshinori Mine
Isomaltodextrin (IMD), a highly branched α-glucan, is a type of resistant starch. Earlier studies have indicated that polysaccharides could prevent inflammation and can be effective in reducing the complications of chronic gastrointestinal diseases such as inflammatory bowel disease (IBD). Therefore, the aim of the present study was to evaluate the anti-inflammatory effect of IMD in dextran sodium sulfate (DSS)-induced colitis in a mouse model. IMD (0.5, 1.0, 2.5, and 5.0% (w/v)) was given orally for 23 days to female Balb/c mice, and then 5% DSS was administered to induce colitis (from day 15 onward to the end of the trial)...
January 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28100093/p19-targeted-abd-derived-protein-variants-inhibit-il-23-binding-and-exert-suppressive-control-over-il-23-stimulated-expansion-of-primary-human-il-17-t-cells
#3
Lucie Křížová, Milan Kuchař, Hana Petroková, Radim Osička, Marie Hlavničková, Ondřej Pelák, Jiří Černý, Tomáš Kalina, Petr Malý
Interleukin-23 (IL-23), a heterodimeric cytokine of covalently bound p19 and p40 proteins, has recently been closely associated with development of several chronic autoimmune diseases such as psoriasis, psoriatic arthritis or inflammatory bowel disease. Released by activated dendritic cells, IL-23 interacts with IL-23 receptor (IL-23R) on Th17 cells, thus promoting intracellular signaling, a pivotal step in Th17-driven pro-inflammatory axis. Here, we aimed to block the binding of IL-23 cytokine to its cell-surface receptor by novel inhibitory protein binders targeted to the p19 subunit of human IL-23...
January 19, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28095263/chemoprevention-of-colorectal-cancer-in-inflammatory-bowel-disease
#4
Adam C Ehrlich, Shyam Patel, Andrew Mellier, Robin D Rothstein, Frank K Friedenberg
Patients with inflammatory bowel disease are at an increased risk of colorectal cancer when compared to the general population. Chronic inflammation is thought to be the underlying cause, and medications that reduce inflammation have the potential to reduce the risk of colorectal cancer. Areas covered: After conducting a PubMed search for relevant literature, we examined several classes of medications that have been studied as potential chemopreventive agents. These include 5-aminosalicylates, thiopurines, tumor necrosis factor antagonists, ursodeoxycholic acid, NSAIDs, and statins...
January 17, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28092152/issues-in-nutrition-dietary-considerations-in-select-chronic-conditions
#5
Margaret E Thompson, Mary Barth Noel
Chronic diseases that affect the gastrointestinal tract also tend to affect nutrition. The incidence of chronic liver disease is increasing. As the prevalence of obesity rises, so do the incidences of nonalcoholic fatty liver disease and nonalcoholic steatohepatitis. Patients with chronic liver disease usually have some degree of malnutrition. In the absence of encephalopathy, patients with chronic liver disease should consume more protein than that in the average diet. There is some controversy about whether diet plays a role in the development of inflammatory bowel disease...
January 2017: FP Essentials
https://www.readbyqxmd.com/read/28091973/mechanisms-on-spasmolytic-and-anti-inflammatory-effects-of-a%C3%A2-herbal-medicinal-product-consisting-of-myrrh-chamomile-flower-and-coffee-charcoal
#6
Cica Vissiennon, Karl-Heinz Goos, Jürgen Arnhold, Karen Nieber
Inflammatory bowel disease or irritable bowel syndrome are chronic gastrointestinal disorders which are associated with a lifelong therapeutic need. The disease results in physical, psychological, and social problems with an impact on partnership, sexuality, education, and career. Thus, the number of patients and health care professionals relying on traditional and complementary medicines and especially phytotherapy for the treatment of these chronic conditions is increasing over recent years. One traditional herbal medicinal product consisting of chamomile flower, myrrh, and coffee charcoal has been widely used in clinical practice within this indication area...
January 13, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28091549/urinary-proteomics-can-define-distinct-diagnostic-inflammatory-arthritis-subgroups
#7
Stefan Siebert, Duncan Porter, Caron Paterson, Rosie Hampson, Daniel Gaya, Agnieszka Latosinska, Harald Mischak, Joost Schanstra, William Mullen, Iain McInnes
Current diagnostic tests applied to inflammatory arthritis lack the necessary specificity to appropriately categorise patients. There is a need for novel approaches to classify patients with these conditions. Herein we explored whether urinary proteomic biomarkers specific for different forms of arthritis (rheumatoid arthritis (RA), psoriatic arthritis (PsA), osteoarthritis (OA)) or chronic inflammatory conditions (inflammatory bowel disease (IBD)) can be identified. Fifty subjects per group with RA, PsA, OA or IBD and 50 healthy controls were included in the study...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28089726/hne-and-cholesterol-oxidation-products-in-colorectal-inflammation-and-carcinogenesis
#8
Daniela Rossin, Simone Calfapietra, Barbara Sottero, Giuseppe Poli, Fiorella Biasi
Consistent experimental data suggest the importance of inflammation-associated oxidative stress in colorectal cancer (CRC) pathogenesis. Inflammatory bowel disease with chronic intestinal inflammation is now considered a precancerous condition. Oxidative stress is an essential feature of inflammation. Activation of redox-sensitive pro-inflammatory cell signals and inflammatory mediators concur to establish a pro-tumoral environment. In this frame, lipid oxidation products, namely 4-hydroxynonenal and oxysterols, can be produced in big quantity so as to be able to exert their function as inducers of cell signaling pathways of proliferation and survival...
January 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28089682/prevalence-and-risk-of-inflammatory-bowel-disease-in-patients-with-hidradenitis-suppurativa
#9
Alexander Egeberg, Gregor B E Jemec, Alexa B Kimball, Hervé Bachelez, Gunnar H Gislason, Jacob P Thyssen, Lotus Mallbris
Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease. In small studies, inflammatory bowel disease (IBD) has been associated with increased prevalence of HS, but data on the concurrence of IBD in patients with HS is limited. We therefore investigated the prevalence and risk of IBD in patients with HS compared with the general population. The study linked all Danish individuals ≥18 years in nationwide registers. Adjusted odds ratios (OR) and adjusted hazard ratios (HRs) were estimated by logistic regression and Cox regression, respectively...
January 12, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28078997/lipoprotein-a-and-cardiovascular-risk-the-show-must-go-on
#10
Niki Katsiki, Khalid Al-Rasadi, Dimitri P Mikhailidis
Lipoprotein (a) [Lp(a)] is an independent but moderate, predictor for coronary heart disease (CHD) prevalence and severity. Several established and emerging cardiovascular (CV) risk factors including age, gender, ethnicity, smoking, dyslipidemia, hypertension, obesity, type 2 diabetes mellitus, alcohol consumption, arterial stiffness and hyperuricemia have been linked to Lp(a) metabolism. Apart from CHD, Lp(a) has been also associated with non-cardiac vascular diseases and diseases associated with increased CV risk such as chronic kidney disease, metabolic syndrome, non-alcoholic fatty liver disease, erectile dysfunction, obstructive sleep apnea syndrome, inflammatory bowel diseases and human immunodeficiency virus infection...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28078646/mucosal-healing-in-ulcerative-colitis-a-comprehensive-review
#11
REVIEW
Pedro Boal Carvalho, José Cotter
Ulcerative colitis (UC) is a chronic inflammatory bowel disease characterized by periods of remission and periods of relapse. Patients often present with symptoms such as rectal bleeding, diarrhea and weight loss, and may require hospitalization and even colectomy. Long-term complications of UC include decreased quality of life and productivity and an increased risk of colorectal cancer. Mucosal healing (MH) has gained progressive importance in the management of UC patients. In this article, we review the endoscopic findings that define both mucosal injury and MH, and the strengths and limitations of the scoring systems currently available in clinical practice...
January 11, 2017: Drugs
https://www.readbyqxmd.com/read/28078206/infectious-atopic-and-inflammatory-diseases-childhood-adversities-and-familial-aggregation-are-independently-associated-with-the-risk-for-mental-disorders-results-from-a-large-swiss-epidemiological-study
#12
Vladeta Ajdacic-Gross, Aleksandra Aleksandrowicz, Stephanie Rodgers, Margot Mutsch, Anja Tesic, Mario Müller, Wolfram Kawohl, Wulf Rössler, Erich Seifritz, Enrique Castelao, Marie-Pierre F Strippoli, Caroline Vandeleur, Roland von Känel, Rosa Paolicelli, Markus A Landolt, Cornelia Witthauer, Roselind Lieb, Martin Preisig
AIM: To examine the associations between mental disorders and infectious, atopic, inflammatory diseases while adjusting for other risk factors. METHODS: We used data from PsyCoLaus, a large Swiss Population Cohort Study (n = 3720; age range 35-66). Lifetime diagnoses of mental disorders were grouped into the following categories: Neurodevelopmental, anxiety (early and late onset), mood and substance disorders. They were regressed on infectious, atopic and other inflammatory diseases adjusting for sex, educational level, familial aggregation, childhood adversities and traumatic experiences in childhood...
December 22, 2016: World Journal of Psychiatry
https://www.readbyqxmd.com/read/28069287/feline-cholangitis
#13
REVIEW
Lara Boland, Julia Beatty
Cholangitis is common in felines, including neutrophilic, lymphocytic, and chronic cholangitis (liver fluke). History, physical examination, laboratory testing, and abdominal ultrasound support a diagnosis. Diagnosis using hepatic histopathology and/or bile analysis is ideal but not always practical. Neutrophilic cholangitis is associated with bacterial cholecystitis, pancreatitis, and inflammatory bowel disease. The typical presentation is a short illness with lethargy, inappetence, pyrexia, and jaundice. Lymphocytic cholangitis, suspected to be immune-mediated, can have a prolonged clinical course with weight loss and ascites as the predominant features...
January 6, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28067588/health-benefits-of-fiber-fermentation
#14
Wendy J Dahl, Nicole C Agro, Åsa M Eliasson, Kaley L Mialki, Joseph D Olivera, Carley T Rusch, Carly N Young
Although fiber is well recognized for its effect on laxation, increasing evidence supports the role of fiber in the prevention and treatment of chronic disease. The aim of this review is to provide an overview of the health benefits of fiber and its fermentation, and describe how the products of fermentation may influence disease risk and treatment. Higher fiber intakes are associated with decreased risk of cardiovascular disease, type 2 diabetes, and some forms of cancer. Fiber may also have a role in lowering blood pressure and in preventing obesity by limiting weight gain...
January 9, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28066136/association-study-between-octn1-functional-haplotypes-and-crohn-s-disease-in-a-korean-population
#15
Eun Suk Jung, Hyo Jin Park, Kyoung Ae Kong, Ji Ha Choi, Jae Hee Cheon
Crohn's disease (CD) is a chronic inflammatory bowel disease with multifactorial causes including environmental and genetic factors. Several studies have demonstrated that the organic cation/carnitine transporter 1 (OCTN1) non-synonymous variant L503F is associated with susceptibility to CD. However, it was reported that L503F is absent in Asian populations. Previously, we identified and functionally characterized genetic variants of the OCTN1 promoter region in Koreans. In that study, four variants demonstrated significant changes in promoter activity...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28062378/chronic-bowel-inflammation-and-inflammatory-joint-disease-pathophysiology
#16
Silvia Speca, Laurent Dubuquoy
Bowel inflammation is closely linked to chronic joint inflammation. Research reported in the 1980s demonstrated bowel inflammation with gross and microscopic pathological features identical to those of Crohn's disease in over 60% of patients with spondyloarthritis (SpA). Numerous prospective studies have evidenced joint involvement in patients with chronic inflammatory bowel disease (CIBD) and bowel inflammation in patients with SpA. Nevertheless, the interactions of joint disease and chronic bowel inflammation remain incompletely elucidated...
January 3, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28057654/protocol-for-a-prospective-controlled-observational-study-to-evaluate-the-influence-of-hypoxia-on-healthy-volunteers-and-patients-with-inflammatory-bowel-disease-the-altitude-ibd-study
#17
Stephan Vavricka, Pedro A Ruiz, Sylvie Scharl, Luc Biedermann, Michael Scharl, Cheryl de Vallière, Carsten Lundby, Roland H Wenger, Leonhard Held, Tobias M Merz, Max Gassmann, Thomas Lutz, Andres Kunz, Denis Bron, Adriano Fontana, Laura Strauss, Achim Weber, Michael Fried, Gerhard Rogler, Jonas Zeitz
INTRODUCTION: Inflammatory bowel disease (IBD) is a chronic intestinal disorder, often leading to an impaired quality of life in affected patients. The importance of environmental factors in the pathogenesis of IBD, including their disease-modifying potential, is increasingly recognised. Hypoxia seems to be an important driver of inflammation, as has been reported by our group and others. The aim of the study is to evaluate if hypoxia can alter disease activity of IBD measured by Harvey-Bradshaw Activity Index in Crohn's disease (increase to ≥5 points) and the partial Mayo Score for ulcerative colitis (increase to ≥2 points)...
January 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28057210/epigenetic-changes-in-chronic-inflammatory-diseases
#18
O Fogel, C Richard-Miceli, J Tost
The number of people diagnosed with chronic inflammatory diseases has increased noteworthy in the last 40 years. Spondyloarthritis (SpA), inflammatory bowel diseases (IBD), and psoriasis are the most frequent chronic inflammatory diseases, resulting from a combination of genetic predisposition and environmental factors. Epigenetic modifications include DNA methylation, histone modifications, and small and long noncoding RNAs. They are influenced by environmental exposure, life-style, and aging and have recently been shown to be altered in many complex diseases including inflammatory diseases...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28049868/expression-of-epithelial-cell-derived-cytokine-genes-in-the-duodenal-and-colonic-mucosae-of-dogs-with-chronic-enteropathy
#19
Hironari Osada, Misato Ogawa, Ayana Hasegawa, Makoto Nagai, Junsuke Shirai, Kazuaki Sasaki, Minoru Shimoda, Hiroshi Itoh, Hirotaka Kondo, Keitaro Ohmori
It remains unclear whether epithelial cell-derived cytokines, including interleukin (IL)-25, IL-33 and thymic stromal lymphopoietin (TSLP), contribute to development of canine chronic enteropathy (CE), which includes antibiotic-responsive enteropathy (ARE), food-responsive enteropathy (FRE) and inflammatory bowel disease (IBD). In the present study, we examined mRNA expression of il-25, il-33 and tslp in the duodenal and colonic mucosae of dogs with ARE, FRE and IBD. Real-time PCR analysis revealed that mRNA expression of il-33 was significantly lower in the duodenum in dogs with FRE than in healthy dogs...
December 29, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28045777/capillary-flow-rates-in-the-duodenum-of-pediatric-ulcerative-colitis-patients-are-increased-and-unrelated-to-inflammation
#20
Deenaz Zaidi, Lucas Churchill, Hien Q Huynh, Matthew W Carroll, Rabin Persad, Eytan Wine
BACKGROUND: Inflammatory bowel diseases (IBD), including Crohn disease (CD) and ulcerative colitis (UC), are chronic pediatric disorders. Changes in vasculature are described in IBD but these could be secondary to inflammation and the role in pathogenesis is poorly understood. Assessing circulatory changes in typically unaffected sites in IBD (e.g., duodenum), when inflammation is absent, can identify vascular changes associated with pathogenesis. AIM: To measure capillary flow rates in duodenal mucosa using probe-based confocal laser endomicroscopy (pCLE) during endoscopy in children with IBD...
December 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
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