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ulcerative colitis and diet

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https://www.readbyqxmd.com/read/28601639/tofacitinib-ameliorates-atherosclerosis-and-reduces-foam-cell-formation-in-apoe-deficient-mice
#1
Zaicun Wang, Shumei Wang, Zunzhe Wang, Tiantian Yun, Chenchen Wang, Huating Wang
Atherosclerosis is a chronic inflammatory cardiovascular disease with high mortality worldwide. Tofacitinib (CP-690,550), an oral small-molecule Janus kinase inhibitor, has been shown to be effective in the treatment of rheumatoid arthritis, autoimmune encephalomyelitis and ulcerative colitis. However, its protective effect against atherosclerosis remains poorly understood. The aim of the present study was to evaluate the effects of Tofacitinib on atherogenic diet (ATD)-induced atherosclerosis using apolipoprotein E deficient (apoE-/-) mice...
June 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28552621/intestinal-epithelial-sirtuin-1-regulates-intestinal-inflammation-during-aging-in-mice-by-altering-the-intestinal-microbiota
#2
Alicia S Wellman, Mallikarjuna R Metukuri, Nevzat Kazgan, Xiaojiang Xu, Qing Xu, Natalie S X Ren, Agnieszka Czopik, Michael T Shanahan, Ashley Kang, Willa Chen, M Andrea Azcarate-Peril, Ajay S Gulati, David C Fargo, Leonard Guarente, Xiaoling Li
BACKGROUND & AIMS: Intestinal epithelial homeostasis is maintained by complex interactions among epithelial cells, commensal gut microorganisms, and immune cells. Disruption of this homeostasis is associated with disorders such as inflammatory bowel disease, but the mechanisms of this process are not clear. We investigated how Sirtuin 1 (SIRT1), a conserved mammalian NAD(+)-dependent protein deacetylase, senses environmental stress to alter intestinal integrity. METHODS: We performed studies of mice with disruption of Sirt1 specifically in the intestinal epithelium (SIRT1 iKO, villin-Cre+, Sirt1(flox/flox) mice) and control mice (villin-Cre-, Sirt1(flox/flox)) on a C57BL/6 background...
May 25, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28525543/fermentable-carbohydrates-fodmaps-exacerbate-functional-gastrointestinal-symptoms-in-patients-with-inflammatory-bowel-disease-a-randomised-double-blind-placebo-controlled-cross-over-re-challenge-trial
#3
Selina R Cox, Alexis C Prince, Clio E Myers, Peter M Irving, James O Lindsay, Miranda C Lomer, Kevin Whelan
Background and Aims: Preliminary evidence suggests fermentable carbohydrate restriction might ameliorate functional gastrointestinal symptoms (FGS) in quiescent inflammatory bowel disease (IBD). Our aim was to determine whether fermentable carbohydrates exacerbate FGS in quiescent IBD using a randomised, double-blinded, placebo-controlled, cross-over, re-challenge trial. Methods: Patients with quiescent IBD and FGS responsive to a low FODMAP diet were allocated to a series of 3-day fermentable carbohydrate challenges in random order (fructan, 12 g/d; galacto-oligosaccharides, GOS, 6 g/d; sorbitol, 6 g/d; and glucose placebo, 12 g/d), each separated by a standardised washout period...
May 19, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28450817/the-emerging-therapeutic-role-of-medical-foods-for-gastrointestinal-disorders
#4
Brian P Ciampa, Emmanuel Reyes Ramos, Marie Borum, David B Doman
In addition to drugs approved by the US Food and Drug Administration (FDA) that treat, cure, or mitigate disease, medical foods are a tool to help manage chronic conditions and diseases. A medical food, according to the FDA, is a food that is developed to be eaten or administered enterally under the guidance of a physician and that is meant for the specific dietary management of a condition or disease for which distinctive nutritional requirements, based upon known scientific principles, are established by medical evaluation...
February 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28447072/a-randomized-trial-of-the-effects-of-the-no-carrageenan-diet-on-ulcerative-colitis-disease-activity
#5
Sumit Bhattacharyya, Theresa Shumard, Hui Xie, Amar Dodda, Krista A Varady, Leo Feferman, Allan G Halline, Jay L Goldstein, Stephen B Hanauer, Joanne K Tobacman
BACKGROUND: Carrageenan is a very common food additive in Western diets, but predictably causes inflammation in thousands of cell-based and animal experiments. OBJECTIVE: To assess the impact of carrageenan exposure on the interval to relapse in patients with ulcerative colitis in remission. METHODS: A randomized, double-blind, placebo-controlled, multicenter, clinical trial was conducted to assess if patients with ulcerative colitis in remission would have a longer interval to relapse if they followed a diet with no carrageenan...
March 31, 2017: Nutrition and Healthy Aging
https://www.readbyqxmd.com/read/28425943/beneficial-effect-of-voluntary-exercise-on-experimental-colitis-in-mice-fed-a-high-fat-diet-the-role-of-irisin-adiponectin-and-proinflammatory-biomarkers
#6
Agnieszka Irena Mazur-Bialy, Jan Bilski, Dagmara Wojcik, Bartosz Brzozowski, Marcin Surmiak, Magdalena Hubalewska-Mazgaj, Anna Chmura, Marcin Magierowski, Katarzyna Magierowska, Tomasz Mach, Tomasz Brzozowski
Inflammatory bowel diseases (IBDs) are a heterogeneous group of disorders exhibited by two major phenotypic forms: Crohn's disease and ulcerative colitis. Although the aetiology of IBD is unknown, several factors coming from the adipose tissue and skeletal muscles, such as cytokines, adipokines and myokines, were suggested in the pathogenesis of ulcerative colitis; however, it has not been extensively studied whether voluntary exercise can ameliorate that disorder. We explored the effect of moderate exercise (i...
April 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28405140/diet-and-microbiota-in-inflammatory-bowel-disease-the-gut-in-disharmony
#7
REVIEW
Davy C M Rapozo, Claudio Bernardazzi, Heitor Siffert Pereira de Souza
Bacterial colonization of the gut shapes both the local and the systemic immune response and is implicated in the modulation of immunity in both healthy and disease states. Recently, quantitative and qualitative changes in the composition of the gut microbiota have been detected in Crohn's disease and ulcerative colitis, reinforcing the hypothesis of dysbiosis as a relevant mechanism underlying inflammatory bowel disease (IBD) pathogenesis. Humans and microbes have co-existed and co-evolved for a long time in a mutually beneficial symbiotic association essential for maintaining homeostasis...
March 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28402995/etiopathogenesis-of-inflammatory-bowel-disease-today-and-tomorrow
#8
Heitor S P de Souza
PURPOSE OF REVIEW: Crohn's disease and ulcerative colitis, the two major forms of inflammatory bowel disease (IBD), represent chronic diseases of unknown cause, and they are regarded as prototypical complex diseases. Despite all the recent advances, a complete appreciation of the pathogenesis of IBD is still limited. In this review, we present recent information contributing to a better understanding of mechanisms underlying IBD. RECENT FINDINGS: Here, we attempt to highlight novel environmental triggers, data on the gut microbiota, its interaction with the host, and the potential influence of diet and food components...
July 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28397132/modifiable-environmental-factors-in-inflammatory-bowel-disease
#9
REVIEW
Kristin E Burke, Christine Boumitri, Ashwin N Ananthakrishnan
PURPOSE OF REVIEW: Environmental factors may influence predisposition to develop inflammatory bowel diseases (Crohn's disease, ulcerative colitis) or alter its natural history by modification of both the host immune response and intestinal microbial composition. The purpose of this review is to translate such evidence into clinical practice by a focus on interventional studies that have modified such environmental influences to improve disease outcomes. RECENT FINDINGS: Several environmental influences have been identified in the recent literature including tobacco use, diet, antibiotics, vitamin D deficiency, stress, appendectomy, and oral contraceptive use...
May 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28293241/a-potential-role-of-salmonella-infection-in-the-onset-of-inflammatory-bowel-diseases
#10
REVIEW
Bárbara M Schultz, Carolina A Paduro, Geraldyne A Salazar, Francisco J Salazar-Echegarai, Valentina P Sebastián, Claudia A Riedel, Alexis M Kalergis, Manuel Alvarez-Lobos, Susan M Bueno
Inflammatory bowel disease (IBD) includes a set of pathologies that result from a deregulated immune response that may affect any portion of the gastrointestinal tract. The most prevalent and defined forms of IBD are Crohn's disease and ulcerative colitis. Although the etiology of IBD is not well defined, it has been suggested that environmental and genetic factors contribute to disease development and that the interaction between these two factors can trigger the pathology. Diet, medication use, vitamin D status, smoking, and bacterial infections have been proposed to influence or contribute to the onset or development of the disease in susceptible individuals...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28225647/early-experience-with-single-incision-laparoscopic-total-abdominal-colectomy-in-children
#11
Cristen N Litz, Paul D Danielson, Nicole M Chandler
PURPOSE: Single-incision laparoscopic surgery for pediatric colorectal disease has been shown to be feasible and safe; however, the literature is scarce regarding the outcomes of single-incision laparoscopic total abdominal colectomy (SIL-TAC) in the pediatric population. The purpose of this pilot study was to review our initial experience and outcomes with SIL-TAC. MATERIALS AND METHODS: A retrospective review of patients who underwent SIL-TAC from 2013 to 2015 was performed...
May 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28170448/genome-wide-analysis-identifies-colonic-genes-differentially-associated-with-serum-leptin-and-insulin-concentrations-in-c57bl-6j-mice-fed-a-high-fat-diet
#12
Sung-Eun Kim, Jinsil Choo, Joon Yoon, Jae Ryang Chu, Yun Jung Bae, Seungyeoun Lee, Taesung Park, Mi-Kyung Sung
Obesity-induced chronic inflammation is known to increase the risk of ulcerative colitis, Crohn's disease, and colorectal cancer. Accumulating evidence suggests that leptin and insulin are key molecules linking obesity with diseases of the lower intestine. Here, we identified serum phenotype-associated genes in the colon of diet-induced obese mice as early biomarkers of obesity-associated colonic diseases. C57BL/6J mice were fed with either normal diet (ND, 15% of fat calories) or high-fat diet (HFD, 45% of fat calories) for 8 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28131521/espen-guideline-clinical-nutrition-in-inflammatory-bowel-disease
#13
Alastair Forbes, Johanna Escher, Xavier Hébuterne, Stanisław Kłęk, Zeljko Krznaric, Stéphane Schneider, Raanan Shamir, Kalina Stardelova, Nicolette Wierdsma, Anthony E Wiskin, Stephan C Bischoff
INTRODUCTION: The ESPEN guideline presents a multidisciplinary focus on clinical nutrition in inflammatory bowel disease (IBD). METHODOLOGY: The guideline is based on extensive systematic review of the literature, but relies on expert opinion when objective data were lacking or inconclusive. The conclusions and 64 recommendations have been subject to full peer review and a Delphi process in which uniformly positive responses (agree or strongly agree) were required...
April 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28117803/analyzing-beneficial-effects-of-nutritional-supplements-on-intestinal-epithelial-barrier-functions-during-experimental-colitis
#14
Hilda Vargas Robles, Karla Fabiola Castro Ochoa, Porfirio Nava, Angélica Silva Olivares, Mineko Shibayama, Michael Schnoor
Inflammatory bowel diseases (IBD), including Crohn's disease and ulcerative colitis, are chronic relapsing disorders of the intestines. They cause severe problems, such as abdominal cramping, bloody diarrhea, and weight loss, in affected individuals. Unfortunately, there is no cure yet, and treatments only aim to alleviate symptoms. Current treatments include anti-inflammatory and immunosuppressive drugs that may cause severe side effects. This warrants the search for alternative treatment options, such as nutritional supplements, that do not cause side effects...
January 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28113104/dietary-tryptophan-alleviates-dextran-sodium-sulfate-induced-colitis-through-aryl-hydrocarbon-receptor-in-mice
#15
Jahidul Islam, Shoko Sato, Kouichi Watanabe, Takaya Watanabe, Ardiansyah, Keisuke Hirahara, Yukihide Aoyama, Shuhei Tomita, Hisashi Aso, Michio Komai, Hitoshi Shirakawa
Ulcerative colitis is the typical progression of chronic inflammatory bowel disease. Amino acids, particularly tryptophan, have been reported to exert a protective effect against colitis induced by dextran sodium sulfate (DSS), but the precise underlying mechanisms remain incompletely clarified. Tryptophan metabolites are recognized to function as endogenous ligands for aryl hydrocarbon receptor (Ahr), which is a critical regulator of inflammation and immunity. Thus, we conducted this study to investigate whether dietary tryptophan supplementation protects against DSS-induced colitis by acting through Ahr...
April 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28110099/high-dietary-intake-of-specific-fatty-acids-increases-risk-of-flares-in-patients-with-ulcerative-colitis-in-remission-during-treatment-with-aminosalicylates
#16
Edward L Barnes, Molly Nestor, Louisa Onyewadume, Punyanganie S de Silva, Joshua R Korzenik
BACKGROUND & AIMS: Dietary factors may have a significant role in relapse of disease among patients with ulcerative colitis (UC). However, the relationship between diet and UC is inadequately understood. We analyzed data from the diet's role in exacerbations of mesalamine maintenance study to determine whether dietary factors affect the risk of disease flares in patients with UC. METHODS: We performed a prospective, multicenter, observational study of 412 patients, from 25 sites, with UC in remission during monotherapy with an aminosalicylate...
January 18, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28092152/issues-in-nutrition-dietary-considerations-in-select-chronic-conditions
#17
REVIEW
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/28030510/clinical-and-fecal-microbial-changes-with-diet-therapy-in-active-inflammatory-bowel-disease
#18
David L Suskind, Stanley A Cohen, Mitchell J Brittnacher, Ghassan Wahbeh, Dale Lee, Michele L Shaffer, Kimberly Braly, Hillary S Hayden, Jani Klein, Benjamin Gold, Matthew Giefer, Angela Stallworth, Samuel I Miller
GOAL: To determine the effect of the specific carbohydrate diet (SCD) on active inflammatory bowel disease (IBD). BACKGROUND: IBD is a chronic idiopathic inflammatory intestinal disorder associated with fecal dysbiosis. Diet is a potential therapeutic option for IBD based on the hypothesis that changing the fecal dysbiosis could decrease intestinal inflammation. STUDY: Pediatric patients with mild to moderate IBD defined by pediatric Crohn's disease activity index (PCDAI 10-45) or pediatric ulcerative colitis activity index (PUCAI 10-65) were enrolled into a prospective study of the SCD...
December 27, 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28008631/systematic-review-with-meta-analysis-the-management-of-chronic-refractory-pouchitis-with-an-evidence-based-treatment-algorithm
#19
REVIEW
J P Segal, N S Ding, G Worley, S Mclaughlin, S Preston, O D Faiz, S K Clark, A L Hart
BACKGROUND: Restorative proctocolectomy with ileal pouch anal anastomosis (IPAA) is considered the procedure of choice in patients with ulcerative colitis (UC) refractory to medical therapy. The incidence of pouchitis is 40% at 5 years. Ten to 15% of patients with pouchitis experience chronic pouchitis. AIM: To determine the efficacy of medical therapies for the treatment of chronic refractory pouchitis in patients undergoing IPAA for UC. METHODS: A systematic computer-assisted search of the on-line bibliographic database MEDLINE and EMBASE was performed between 1966 and February 2016...
March 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28003811/identification-and-characterization-of-a-novel-association-between-dietary-potassium-and-risk-of-crohn-s-disease-and-ulcerative-colitis
#20
Hamed Khalili, Sakshi Malik, Ashwin N Ananthakrishnan, John J Garber, Leslie M Higuchi, Amit Joshi, Joanna Peloquin, James M Richter, Kathleen O Stewart, Gary C Curhan, Amit Awasthi, Vijay Yajnik, Andrew T Chan
BACKGROUND: Recent animal studies have identified that dietary salt intake may modify the risk and progression of autoimmune disorders through modulation of the IL-23/TH17 pathway, which is critical in the pathogenesis of ulcerative colitis (UC) and Crohn's disease (CD). METHODS: We conducted a prospective study of U.S. women enrolled in the Nurses' Health Study (NHS) and NHSII who provided detailed and validated information on diet and lifestyle beginning in 1984 in NHS and 1991 in NHSII...
2016: Frontiers in Immunology
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