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Allergic colitis

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https://www.readbyqxmd.com/read/28337229/allergic-enteritis-in-children
#1
REVIEW
Mieczysława Czerwionka-Szaflarska, Ewa Łoś-Rycharska, Julia Gawryjołek
The gastrointestinal form of food allergy is very common in children. The most frequently observed types are allergic proctitis and proctocolitis. In most cases the symptoms subside within the first 2 months of life. The babies seem healthy, and the only abnormality is a small amount of blood in stool. Symptoms can also include small intestine inflammation and colitis. Patients may present with irritability, abdominal pain, flatulence, colic, postprandial vomiting, chronic diarrhoea, and hindered physical development...
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/28276819/is-there-a-role-for-thioguanine-therapy-in-ibd-in-2017-and-beyond
#2
Kirstin M Taylor, Mark G Ward, Paul A Blaker, Miles P Sparrow
Conventional thiopurines are effective for the maintenance of remission of Crohn's disease and ulcerative colitis, however, up to half of patients are intolerant or unresponsive to these medications. Thioguanine is an alternative thiopurine that has shown efficacy in inflammatory bowel disease, and is particularly useful to circumvent certain side effects associated with conventional thiopurines, for example, pancreatitis. Its association with nodular regenerative hyperplasia of the liver has hindered its widespread use...
February 20, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28272203/sarcoidosis-associated-with-infliximab-therapy-in-ulcerative-colitis-a-case-report
#3
Georgiana-Emmanuela Gîlcă, Smaranda Diaconescu, Gheorghe Gh Bălan, Oana Timofte, Gabriela Ştefănescu
RATIONALE: Although immunomodulatory therapy has been clearly stated as an important landmark in treatment of ulcerative colitis, significantly improving the quality of life for patients with inflammatory bowel disease, there are several aspects to be considered regarding the possible side-effects of anti-TNF alpha agents. In spite of a good safety profile, biologic TNF antagonists may induce paradoxical inflammation, which can manifest as sarcoid-like granulomatosis, consisting of noncaseating granulomas in the affected organs...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28261032/eosinophilic-colitis-in-children
#4
Urszula Grzybowska-Chlebowczyk, Sabina Horowska-Ziaja, Maciej Kajor, Sabina Więcek, Wojciech Chlebowczyk, Halina Woś
INTRODUCTION: Eosinophilic colitis, which is a rare form of eosinophilic gastrointestinal diseases, occurs as primary and secondary allergic eosinophilic colitis of the gastrointestinal tract infection, inflammatory bowel disease, celiac disease, and vasculitis. The diagnosis is based on a significant amount of eosinophils in the inflammatory infiltrate of the colon wall. AIM: To analyze the clinical picture taking into account comorbidities and endoscopic picture in children with eosinophilic colitis...
February 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/28043740/health-conditions-in-rural-areas-with-high-livestock-density-analysis-of-seven-consecutive-years
#5
Christel E van Dijk, Jan-Paul Zock, Christos Baliatsas, Lidwien A M Smit, Floor Borlée, Peter Spreeuwenberg, Dick Heederik, C Joris Yzermans
Previous studies investigating health conditions of individuals living near livestock farms generally assessed short time windows. We aimed to take time-specific differences into account and to compare the prevalence of various health conditions over seven consecutive years. The sample consisted of 156,690 individuals registered in 33 general practices in a (rural) area with a high livestock density and 101,015 patients from 23 practices in other (control) areas in the Netherlands. Prevalence of health conditions were assessed using 2007-2013 electronic health record (EHR) data...
March 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27930969/rhapontin-ameliorates-colonic-epithelial-dysfunction-in-experimental-colitis-through-sirt1-signaling
#6
Wencheng Wei, Lei Wang, Kai Zhou, Haifeng Xie, Mian Zhang, Chaofeng Zhang
Rhapontin (3, 3', 5-trihydroxy-4'-methoxystilbene-3-O-glucoside) has anti-thrombotic, anti-allergic and anti-diabetic activities. This study aimed to assess the protective effects of rhapontin on intestinal damage in vivo and in vitro. In a dextran sodium sulfate (DSS)-induced mouse model, oral administration of rhapontin (100mg/kg) significantly attenuated colonic pathological damage and remarkably inhibited infiltration by inflammatory cells, myeloperoxidase (MPO) activity, NLRP3 inflammasome activation and SIRT1 expression in the colon...
January 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/27697608/insight-into-the-role-of-tslp-in-inflammatory-bowel-diseases
#7
REVIEW
Jae Hyon Park, Dong Yeon Jeong, Laurent Peyrin-Biroulet, Michael Eisenhut, Jae Il Shin
Proinflammatory cytokines are thought to modulate pathogeneses of various inflammatory bowel diseases (IBDs). Thymic stromal lymphopoietin (TSLP), which has been studied in various allergic diseases such as asthma, atopic dermatitis (AD) and eosinophilic esophagitis (EoE), has been less considered to be involved in IBDs. However, mucosal dendritic cells (DCs) induced by various cytokines including TSLP were reported to cause polarization of T cell toward Th2 response, the differentiation of regulatory T-cell (Treg), and secretion of IgA by B cells...
January 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27671822/boswellic-acids-and-their-role-in-chronic-inflammatory-diseases
#8
H P T Ammon
Boswellic acids, which are pentacyclic triterpenes belong to the active pharmacological compounds of the oleogum resin of different Boswellia species. In the resin, more than 12 different boswellic acids have been identified but only KBA and AKBA received significant pharmacological interest. Biological Activity: In an extract of the resin of Boswellia species multiple factors are responsible for the final outcome of a therapeutic effect, be it synergistic or antagonistic. Moreover, the anti-inflammatory actions of BAs are caused by different mechanisms of action...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27588816/cytokine-levels-after-consumption-of-a-medicinal-agaricus-blazei-murill-based-mushroom-extract-andosan-%C3%A2-in-patients-with-crohn-s-disease-and-ulcerative-colitis-in-a-randomized-single-blinded-placebo-controlled-study
#9
RANDOMIZED CONTROLLED TRIAL
S P Therkelsen, G Hetland, T Lyberg, I Lygren, E Johnson
Ingestion of the Agaricus blazei Murill-based mushroom extract AndoSan(™) has been shown in randomized placebo-controlled studies to improve symptoms in Crohn's disease (CD) and ulcerative colitis (UC) and also fatigue and quality of life in the latter patients. The aim was to examine whether this clinical impact of AndoSan(™) intake could be explained by influence on foremost pro-inflammatory cytokines in the patients. Fifty patients with symptomatic UC and CD were randomized and blinded for oral daily intake of AndoSan(™) or placebo...
December 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27545738/eosinophilic-disorders-of-the-gastrointestinal-tract
#10
REVIEW
Samiullah, Hadi Bhurgri, Umair Sohail
Eosinophilic gastrointestinal disorders represent a spectrum of disorders demonstrating gastrointestinal eosinophilia without any known cause for eosinophilia. Pathogenesis is not clearly established, but immune responses to dietary antigens are implicated. These disorders affect children and adults and are seen in association with allergic disorders. Eosinophilic esophagitis is diagnosed in the setting of mucosal eosinophilia on endoscopic biopsy and symptoms of esophageal dysfunction. Eosinophilic gastroenteritis is also diagnosed with endoscopic biopsies...
September 2016: Primary Care
https://www.readbyqxmd.com/read/27477848/genome-wide-transcriptome-induced-by-nickel-in-human-monocytes
#11
Lina Gölz, Benedikt C Buerfent, Andrea Hofmann, Heiko Rühl, Nadine Fricker, Wiebke Stamminger, Johannes Oldenburg, James Deschner, Achim Hoerauf, Markus M Nöthen, Johannes Schumacher, Marc P Hübner, Andreas Jäger
UNLABELLED: Nickel-containing alloys are frequently used in the biomedical field, although, owing to corrosive processes metal ion leaching is inevitable. Due to nickel ion (Ni(2+)) leaching several adverse effects are described in the literature. However, only a few studies evaluated the genetic profile of Ni(2+) in human cells which is of great importance since nickel-induced effects differ between humans and mice as a result of species-specific receptor variability. Thus, we investigated gene expression induced by Ni(2+)in human monocytes using a transcriptome-wide approach determining new target genes implicated in nickel-induced pathologies...
October 1, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27392757/inverse-association-between-poor-oral-health-and-inflammatory-bowel-diseases
#12
Weiyao Yin, Jonas F Ludvigsson, Zhiwei Liu, Ann Roosaar, Tony Axéll, Weimin Ye
BACKGROUND & AIMS: The hygiene hypothesis (a lack of childhood exposure to microorganisms increases susceptibility to allergic diseases by altering immune development) has been proposed as an explanation for the increasing incidence of inflammatory bowel disease (IBD). However, there are few data on the relationship between oral hygiene and development of IBD, and study results have been inconsistent. We investigated the association between poor oral health and risks of IBD, ulcerative colitis (UC), and Crohn's disease (CD)...
July 5, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27308096/il-10-modulates-th17-pathogenicity-during-autoimmune-diseases
#13
Beichu Guo
The immune system is essential for host defense against pathogen infections; however dysregulated immune response may lead to inflammatory or autoimmune diseases. Elevated activation of both innate immune cells and T cells such as Th17 cells are linked to many autoimmune diseases, including Multiple Sclerosis (MS), arthritis and inflammatory bowel disease (IBD). To keep immune homeostasis, the immune system develops a number of negative feedback mechanisms, such as the production of anti-inflammatory cytokine IL-10, to dampen excessive production of inflammatory cytokines and uncontrolled activation of immune cells...
April 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27237365/immunological-consequences-of-intestinal-fungal-dysbiosis
#14
Matthew L Wheeler, Jose J Limon, Agnieszka S Bar, Christian A Leal, Matthew Gargus, Jie Tang, Jordan Brown, Vincent A Funari, Hanlin L Wang, Timothy R Crother, Moshe Arditi, David M Underhill, Iliyan D Iliev
Compared to bacteria, the role of fungi within the intestinal microbiota is poorly understood. In this study we investigated whether the presence of a "healthy" fungal community in the gut is important for modulating immune function. Prolonged oral treatment of mice with antifungal drugs resulted in increased disease severity in acute and chronic models of colitis, and also exacerbated the development of allergic airway disease. Microbiota profiling revealed restructuring of fungal and bacterial communities...
June 8, 2016: Cell Host & Microbe
https://www.readbyqxmd.com/read/27236747/transdermal-immunotherapy-past-present-and-future
#15
REVIEW
Marian Szczepanik, Monika Majewska-Szczepanik
The human skin plays an important role in thermal regulation, the maintenance of the correct water and electrolyte balance; it is also the main source of the vitamin D for the organism. Moreover, the skin forms an effective barrier against microorganisms, protecting the organism against xenobiotics and harmful external factors. It must also be mentioned that the skin is an essential organ involved in immunological mechanisms. This article summarizes current knowledge about skin-induced suppression induced via epicutaneous (EC) application of an antigen and is described in both Th1- and Tc1-mediated contact sensitivity (CS) in mice...
August 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27206705/epicutaneous-and-oral-low-zone-tolerance-protects-from-colitis-in-mice
#16
Talkea Schmidt, Nadine Lorenz, Verena Raker, Sonja Reißig, Ari Waisman, Benno Weigmann, Kerstin Steinbrink
Tolerance to environmental antigens that encounter the organism at interfaces like skin or gut prevents deleterious systemic immune responses. The aim of this study was to analyze whether and how low doses of haptens, by entry through the skin or gastrointestinal tract, affect the outcome of the predominantly Th1/Th17-mediated 2,4,6-trinitro-benzenesulfonic acid-induced colitis, which mimics an autoimmune bowl disease in man. Epicutaneous and oral applications of low doses of the allergen resulted in the induction of low-zone tolerance (LZT) and protected from colitis development, demonstrated by a significantly reduced inflammatory response of the gut in vivo...
September 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27197069/fasting-for-haemostasis-in-children-with-gastrointestinal-bleeding
#17
REVIEW
Shuang-Hong Luo, Qin Guo, Guan J Liu, Chaomin Wan
BACKGROUND: Gastrointestinal bleeding refers to loss of blood from any site of the digestive tract. In paediatric clinical practice, it is usually a complaint of children attending the emergency department as a symptom of diseases such as ulcers, gastric or oesophageal varices, gastritis, Mallory-Weiss tears, anorectal fissures, allergic colitis, infectious colitis, intussusception, Henoch-Schonlein purpura, and Meckel's diverticulum; it also occurs with high incidence in critically ill children hospitalised in intensive care units and is caused by stress-induced gastropathy...
May 19, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27183640/dopamine-receptor-d3-signaling-on-cd4-t-cells-favors-th1-and-th17-mediated-immunity
#18
Francisco Contreras, Carolina Prado, Hugo González, Dafne Franz, Francisco Osorio-Barrios, Fabiola Osorio, Valentina Ugalde, Ernesto Lopez, Daniela Elgueta, Alicia Figueroa, Alvaro Lladser, Rodrigo Pacheco
Dopamine receptor D3 (DRD3) expressed on CD4(+) T cells is required to promote neuroinflammation in a murine model of Parkinson's disease. However, how DRD3 signaling affects T cell-mediated immunity remains unknown. In this study, we report that TCR stimulation on mouse CD4(+) T cells induces DRD3 expression, regardless of the lineage specification. Importantly, functional analyses performed in vivo using adoptive transfer of OVA-specific OT-II cells into wild-type recipients show that DRD3 deficiency in CD4(+) T cells results in attenuated differentiation of naive CD4(+) T cells toward the Th1 phenotype, exacerbated generation of Th2 cells, and unaltered Th17 differentiation...
May 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27080713/approach-to-a-child-with-colitis
#19
REVIEW
Sirish K Palle, Mahadev Prasad, Subra Kugathasan
In this review, the authors discuss the etiology, pathogenesis, and clinical presentations of colitis in children, and provide current recommendations for the approach to a child with colitis. In addition, they discuss in detail one of the important and emerging causes of chronic colitis in children; inflammatory bowel disease (IBD). Diagnostic and management approaches to colitis in children vary considerably based on several factors, including if the colitis is acute in onset or chronic, the age of the child, and the geographical region of the affected child...
November 2016: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/27028536/the-gastrointestinal-tract-microbiota-and-allergic-diseases
#20
REVIEW
Andreas Kyburz, Anne Müller
The gastrointestinal (GI) tract microbiota is required for optimal digestion of foods, for the development of resistance against pathogens (termed colonization resistance), for the development of mucosa-associated lymphoid tissue, and for local as well as systemic immune homeostasis. Certain constituents of the GI tract microbiota are widely recognized as critical regulators and modulators of their host's immune response. These include bacterial members of the microbiota as well as parasitic nematodes. Immune regulation by immunomodulatory members of the GI microbiota primarily serves to subvert host antimicrobial immune defenses and promote persistent colonization, but as a side effect may prevent or suppress immunological disorders resulting from inappropriate responses to harmless antigens, such as allergy, colitis or autoimmunity...
2016: Digestive Diseases
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