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inflammatory bowel disease and diet

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https://www.readbyqxmd.com/read/27926535/high-salt-diet-stimulates-gut-th17-response-and-exacerbates-tnbs-induced-colitis-in-mice
#1
Yingfeng Wei, Chong Lu, Jianing Chen, Guangying Cui, Lin Wang, Tianming Yu, Yue Yang, Wei Wu, Yulong Ding, Lanjuan Li, Toshimitsu Uede, Zhi Chen, Hongyan Diao
This study focuses on characterizing the effect of a high salt diet (HSD) on intestinal immunity and the risk of inflammatory bowel diseases (IBD). We found that mice on a HSD had an increased frequency of IL-17A producing cells in the intestinal lamina propria (LP) compared to mice on a normal diet (ND). Furthermore, most intestinal IL-17A producing cells were CD4+TCRβ+ cells. A HSD increased the LP T helper 17 (Th17) responses in both the small and large intestines but did not increase the Th17 response of other gut-associated lymphoid organ...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27895976/microscopic-colitis-in-patients-with-mild-duodenal-damage-a-new-clinical-and-pathological-entity-lymphocytic-enterocolitis
#2
Gabriele Antonio Bonagura, Davide Giuseppe Ribaldone, Sharmila Fagoonee, Nicoletta Sapone, Gian Paolo Caviglia, Giorgio Maria Saracco, Marco Astegiano, Rinaldo Pellicano
AIM: To evaluate the potential association between mild duodenal damage and microscopic colitis (MC). METHODS: We retrospectively included 105 consecutive patients with type I Marsh-Oberhuber duodenal damage and negativity for immunoglobulin A anti-endomysium and anti-tissue transglutaminase. The following parameters were analyzed: Sex, age at execution of esophagogastroduodenoscopy, duodenal damage, and number of intraepithelial lymphocytes at biopsies, prevalence of Helicobacter pylori infection, age at execution of colonoscopy, macroscopic and microscopic features of colonoscopy, family history of gastrointestinal and autoimmune diseases, smoking habits, biochemical parameters of inflammation and autoimmunity, use of proton pump inhibitors or nonsteroidal anti-inflammatory drugs, adverse reactions to drugs or foods, pathologies known to be associated with celiac disease or MC, living on a gluten-free diet or on a gluten-low diet for at least 1 mo...
November 15, 2016: World Journal of Gastrointestinal Pathophysiology
https://www.readbyqxmd.com/read/27895640/%C3%AF-3-polyunsaturated-fatty-acids-as-immunomodulators-in-colorectal-cancer-new-potential-role-in-adjuvant-therapies
#3
REVIEW
Stefania Miccadei, Roberta Masella, Anna Maria Mileo, Sandra Gessani
Diet composition may affect the onset and progression of chronic degenerative diseases, including cancer, whose pathogenesis relies on inflammatory processes. Growing evidence indicates that diet and its components critically contribute to human health, affecting the immune system, secretion of adipokines, and metabolic pathways. Colorectal cancer (CRC) is one of the leading causes of death worldwide. Antineoplastic drugs are widely used for CRC treatment, but drug resistance and/or off-target toxicity limit their efficacy...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27884149/sasa-quelpaertensis-leaf-extract-regulates-microbial-dysbiosis-by-modulating-the-composition-and-diversity-of-the-microbiota-in-dextran-sulfate-sodium-induced-colitis-mice
#4
Yiseul Yeom, Bong-Soo Kim, Se-Jae Kim, Yuri Kim
BACKGROUND: Inflammatory bowel diseases (IBD) are related to a dysfunction of the mucosal immune system and they result from complex interactions between genetics and environmental factors, including lifestyle, diet, and the gut microbiome. Therefore, the effect of Sasa quelpaertensis leaf extract (SQE) on gut microbiota in a dextran sulfate sodium (DSS)-induced colitis mouse model was investigated with pyrosequencing of fecal samples. METHODS: Three groups of animals were examined: i) a control group, ii) a group that was received 2...
November 25, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27863347/preventive-effects-of-goji-berry-on-dextran-sulfate-sodium-induced-colitis-in-mice
#5
Yifei Kang, Yansong Xue, Min Du, Mei-Jun Zhu
Goji berry (Lycium barbarum) exerts immune modulation and suppresses inflammation in vitro and in vivo. We hypothesized that Goji berry had beneficial effects on dextran sulfate sodium (DSS)-induced colitis in C57BL/6 mice through suppressing inflammation. Six-week-old male C57BL/6 mice were supplemented with a standard AIN-93G diet with or without 1% (w/w) Goji berry for 4 weeks. Then, colitis was induced by supplementing 3% DSS in drinking water for 7 days, followed by 7 days of remission period to mimic ulcerative colitis symptoms...
October 27, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27822551/individualized-responses-of-gut-microbiota-to-dietary-intervention-modeled-in-humanized-mice
#6
Samuel A Smits, Angela Marcobal, Steven Higginbottom, Justin L Sonnenburg, Purna C Kashyap
Diet plays an important role in shaping the structure and function of the gut microbiota. The microbes and microbial products in turn can influence various aspects of host physiology. One promising route to affect host function and restore health is by altering the gut microbiome using dietary intervention. The individuality of the microbiome may pose a significant challenge, so we sought to determine how different microbiotas respond to the same dietary intervention in a controlled setting. We modeled gut microbiotas from three healthy donors in germfree mice and defined compositional and functional alteration following a change in dietary microbiota-accessible carbohydrates (MACs)...
September 2016: MSystems
https://www.readbyqxmd.com/read/27818126/anti-inflammatory-protection-afforded-by-cyanidin-3-glucoside-and-resveratrol-in-human-intestinal-cells-via-nrf2-and-ppar-%C3%AE-comparison-with-5-aminosalicylic-acid
#7
Diana Serra, Leonor M Almeida, Teresa C P Dinis
This study investigated the involvement of nuclear factor erythroid 2 (Nrf2) and peroxisome proliferator-activated receptor-gamma (PPAR-γ) pathways in the protection afforded by two polyphenols abundant in diet, cyanidin-3-glucoside and resveratrol, against cytokine-induced inflammation and oxidative insult in HT-29 intestinal cells, in comparison with the drug 5-aminosalicylic acid (5-ASA). Our data show for the first time that in cytokine-challenged cells, cyanidin-3-glucoside and resveratrol induced Nrf2 activation, increased hemoxygenase-1 and glutamate cysteine ligase mRNA expression, enhanced reduced glutathione to oxidized glutathione ratio and inhibited reactive species production, at much lower concentrations than 5-ASA...
November 3, 2016: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27812084/nutrition-oxidative-stress-and-intestinal-dysbiosis-influence-of-diet-on-gut-microbiota-in-inflammatory-bowel-diseases
#8
Giovanni Tomasello, Margherita Mazzola, Angelo Leone, Emanuele Sinagra, Giovanni Zummo, Felicia Farina, Provvidenza Damiani, Francesco Cappello, Alice Gerges Geagea, Abdo Jurjus, Tarek Bou Assi, Massimiliano Messina, Francesco Carini
BACKGROUND: Microbiota refers to the population of microorganisms (bacteria, viruses and fungi) that inhabit the entire gastrointestinal tract, more particularly the colon whose role is to maintain the integrity of the intestinal mucosa and control the proliferation of pathogenic bacteria. Alteration in the composition of the gut microbiota is called dysbiosis. Dysbiosis redisposes to inflammatory bowel diseases such as ulcerative colitis, Crohn disease and indeterminate colitis. METHODS: The purpose of this literature review is to elucidate the influence of diet on the composition of the gastrointestinal microbiota in the healthy gut and the role of diet in the development of dysbiosis...
October 26, 2016: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/27793764/cyanidin-3-o-glucoside-inhibits-nf-kb-signalling-in-intestinal-epithelial-cells-exposed-to-tnf-%C3%AE-and-exerts-protective-effects-via-nrf2-pathway-activation
#9
Daniela Ferrari, Antonio Speciale, Mariateresa Cristani, Deborah Fratantonio, Maria Sofia Molonia, Giulia Ranaldi, Antonella Saija, Francesco Cimino
Chronic intestinal inflammatory disorders, such as Inflammatory Bowel Diseases (IBDs), are characterized by excessive release of proinflammatory mediators, intestinal barrier dysfunction and excessive activation of NF-kB cascade. Previous studies shown that TNF-α plays a central role in intestinal inflammation of IBDs and supported beneficial effects of flavonoids against chronic inflammatory diseases. In this study, we employed an in vitro model of acute intestinal inflammation using intestinal Caco-2 cells exposed to TNF-α...
October 25, 2016: Toxicology Letters
https://www.readbyqxmd.com/read/27793607/understanding-and-preventing-the-global-increase-of-inflammatory-bowel-disease
#10
Gilaad G Kaplan, Siew C Ng
The inflammatory bowel diseases (IBD) are contemporary conditions of industrialized societies. The prevalence of IBD continues to increase steadily in Western countries, and newly industrialized countries have a rapidly increasing incidence. The global spread of IBD appears to associate with Westernization of diets and environments, which affects the intestinal microbiome and increases risk of IBD in genetically susceptible individuals. It is important to increase our understanding of these events to slow progression of IBD...
October 25, 2016: Gastroenterology
https://www.readbyqxmd.com/read/27793606/diet-as-a-trigger-or-therapy-for-inflammatory-bowel-diseases
#11
James D Lewis, Maria T Abreu
The most common question asked by patients with inflammatory bowel disease is "doctor what should I eat?" Findings from epidemiology studies indicate that diets high in animal fat and low in fruits and vegetables are the most common pattern associated with an increased risk of IBD. Low levels of vitamin D also appear to be a risk factor for IBD. In murine models, diets high in fat, especially saturated animal fats, also increase inflammation, whereas supplementation with omega 3 long-chain fatty acids protect against intestinal inflammation...
October 25, 2016: Gastroenterology
https://www.readbyqxmd.com/read/27783083/extra-virgin-olive-oil-a-key-functional-food-for-prevention-of-immune-inflammatory-diseases
#12
REVIEW
Marina Aparicio-Soto, Marina Sánchez-Hidalgo, Ma Ángeles Rosillo, Ma Luisa Castejón, Catalina Alarcón-de-la-Lastra
Nowadays, it is clear that an unhealthy diet is one of the prime factors that contributes to the rise of inflammatory diseases and autoimmunity in the populations of both developed and developing countries. The Mediterranean diet has been associated with a reduced incidence of certain pathologies related to chronic inflammation and the immune system. Olive oil, the principal source of dietary lipids of the Mediterranean diet, possesses a high nutritional quality and a particular composition, which is especially relevant in the case of Extra Virgin Olive Oil (EVOO)...
October 26, 2016: Food & Function
https://www.readbyqxmd.com/read/27782921/tolerance-limits-self-understanding-and-stress-resilience-in-integrative-recovery-of-inflammatory-bowel-disease
#13
Kari Skrautvol, Dagfinn Nåden
People living with chronic inflammatory bowel disease (IBD) experienced that knowledge about their embodied tolerance limits, diet, mental problem solving, and change in lifestyle together with integrative health care could promote recovery from their diagnosed disease in calmer periods of suffering. A hermeneutic approach was used to analyze interviews with patients living with IBD outside hospitals. Thirteen young adults between 18 and 45 years of age in calmer phases of IBD participated in the study. Three main themes emerged from the analysis of the interviews: (1) Understanding limits in embodied tolerance, (2) Restoring balance is creating a new equilibrium, and (3) Creating resilience through integrative care...
January 2017: Holistic Nursing Practice
https://www.readbyqxmd.com/read/27775675/why-are-omics-technologies-important-to-understanding-the-role-of-nutrition-in-inflammatory-bowel-diseases
#14
Lynnette R Ferguson, Matthew P G Barnett
For many years, there has been confusion about the role that nutrition plays in inflammatory bowel diseases (IBD). It is apparent that good dietary advice for one individual may prove inappropriate for another. As with many diseases, genome-wide association studies across large collaborative groups have been important in revealing the role of genetics in IBD, with more than 200 genes associated with susceptibility to the disease. These associations provide clues to explain the differences in nutrient requirements among individuals...
October 21, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27768566/development-and-application-of-a-plant-based-diet-scoring-system-for-japanese-patients-with-inflammatory-bowel-disease
#15
Mitsuro Chiba, Kunio Nakane, Yuko Takayama, Kae Sugawara, Hideo Ohno, Hajime Ishii, Satoko Tsuda, Tsuyotoshi Tsuji, Masafumi Komatsu, Takeshi Sugawara
CONTEXT: Plant-based diets (PBDs) are a healthy alternative to westernized diets. A semivegetarian diet, a PBD, has been shown to prevent a relapse in Crohn disease. However, there is no way to measure adherence to PBDs. OBJECTIVE: To develop a simple way of evaluating adherence to a PBD for Japanese patients with inflammatory bowel disease (IBD). DESIGN: PBD scores were assigned according to the frequency of consumption provided on a food-frequency questionnaire, obtained on hospitalization for 159 patients with ulcerative colitis and 70 patients with Crohn disease...
2016: Permanente Journal
https://www.readbyqxmd.com/read/27753990/ed-05-2-interaction-of-gut-dysbiosis-and-innate-immune-dysfunction-in-the-development-of-metabolic-syndrome
#16
Myung-Shik Lee
Low-grade systemic inflammation in adipose tissues or liver, is an important etiologic factor in insulin resistance. LPS is an important element causing such metabolic inflammation, and intestinal flora is considered a major source of systemic LPS. We studied changes of intestinal microbiota associated with high-fat diet (HFD) that causes insulin resistance and metabolic stress. 16S rRNA gene sequencing showed that HFD significantly decreased the abundance of a mucin-degrading bacterium Akkermansia muciniphila compared to control diet...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27750262/the-obestatin-ghrelin-ratio-and-ghrelin-genetics-in-adult-celiac-patients-before-and-after-a-gluten-free-diet-in-irritable-bowel-syndrome-patients-and-healthy-individuals
#17
Francesco Russo, Guglielmina Chimienti, Michele Linsalata, Caterina Clemente, Antonella Orlando, Giuseppe Riezzo
BACKGROUND: Ghrelin levels and obestatin/ghrelin ratio have been proposed as activity markers in ulcerative colitis, but no data are available in celiac disease (CD) and irritable bowel syndrome (IBS). Our aims were as follows: (a) to assess obestatin and ghrelin concentrations in adult active CD patients, diarrhea-predominant IBS (IBS-d), and healthy controls (HC) in relation to intestinal permeability; (b) to evaluate the ghrelin-obestatin profile in CD patients after a 1-year gluten-free diet (GFD); and (c) to establish the impact of ghrelin genetics...
October 12, 2016: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27743467/therapeutic-modulation-of-the-gut-microbiota-in-ibd-more-questions-to-be-answered
#18
Yu Qi Qiao, Chen Wen Cai, Zhi Hua Ran
Inflammatory bowel disease (IBD) patients exhibit impaired control of the microbiome in the gut. "Dysbiosis" is commonly observed. A Western diet is a risk factor for the development of IBD but may have different effects on the gut microbiota in IBD and non-IBD individuals. Exclusive enteral nutrition (EEN) can induce remission in pediatric Crohn's disease (CD) with a decrease in gut microbiome diversity after EEN treatment. Although there are some theoretical benefits, the actual treatment effects of prebiotics and probiotics in IBD patients can vary...
October 15, 2016: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/27741173/gut-microbiome-and-gastrointestinal-cancer-les-liaisons-dangereuses
#19
Nurdan Tözün, Eser Vardareli
Gastrointestinal (GI) cancers are the leading cause of mortality worldwide. These cancers are the end result of a complex interplay between gene and environment. Bacteria, parasites, and viruses have been implicated in some cancers. Recent data have put at focus the gut microbiome as the key player firing tumorigenesis. Experimental and human studies have provided evidence on the role of microbiota in cancer development. Although subject to changes in different settings such as antibiotic treatment, diet or lifestyle, our microbiome is quite stable and is capable of increasing susceptibility to cancer or decrease and halt its progression...
November 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27733383/intestinal-inflammation-without-weight-loss-decreases-bone-density-and-growth
#20
Regina Irwin, Sandi Raehtz, Narayanan Parameswaran, Laura R McCabe
Increasing evidence indicates a strong link between intestinal health and bone health. For example, inflammatory bowel disease can cause systemic inflammation, weight loss, and extra-intestinal manifestations, such as decreased bone growth and density. However, the effects of moderate intestinal inflammation without weight loss on bone health have never been directly examined; yet this condition is relevant not only to IBD but to conditions of increased intestinal permeability and inflammation, as seen with ingestion of high-fat diets, intestinal dysbiosis, irritable bowel syndrome, metabolic syndrome, and food allergies...
December 1, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
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