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Gut inflammation

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https://www.readbyqxmd.com/read/29454065/impact-of-food-additives-on-the-gut-brain-axis
#1
Mary K Holder, Benoit Chassaing
The mammalian intestinal tract is heavily colonized with a complex community of micro-organisms, present at a very high density, and containing an estimated amount of 10 14 bacteria. The microbiota generally benefits the host, as it plays a central role in maturing the immune system, protecting against infection by entero-pathogens such as Clostridium difficile, and favoring nutrient digestion/energy extraction in our intestine. An altered microbiota, however, can become detrimental and lead to inflammation, metabolic disorders, and even altered behavior/neuroinflammation...
February 14, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29453751/effects-of-ewe-s-milk-yogurt-whole-and-semi-skimmed-and-cow-s-milk-yogurt-on-inflammation-markers-and-gut-microbiota-of-subjects-with-borderline-high-plasma-cholesterol-levels-a-crossover-study
#2
Noemí Redondo, Natalia García-González, Ligia E Diaz-Prieto, Begoña Olmedilla-Alonso, Ana B Martín-Diana, Carmen Asensio-Vegas, Esther Nova
PURPOSE: Ewe's milk yogurt is richer in proteins, minerals and short- and medium-chain fatty acids compared to cow's milk yogurt. We aimed to evaluate the effects of cow's milk yogurt (CW, 3.0% fat), semi-skimmed (ES, 2.8% fat) and whole ewe's milk yogurts (EW, 5.8% fat) on inflammatory markers and gut microbiota in subjects with borderline-high plasma cholesterol. METHODOLOGY: 30 adults (16 women) were randomized into a crossover study to consume 250 g/yogurt/day during three 5-week periods (4-week washouts)...
February 16, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29453726/advances-in-probiotic-regulation-of-bone-and-mineral-metabolism
#3
REVIEW
Laura R McCabe, Narayanan Parameswaran
Probiotics have been consumed by humans for thousands of years because they are beneficial for long-term storage of foods and promote the health of their host. Ingested probiotics reside in the gastrointestinal tract where they have many effects including modifying the microbiota composition, intestinal barrier function, and the immune system which result in systemic benefits to the host, including bone health. Probiotics benefit bone growth, density, and structure under conditions of dysbiosis, intestinal permeability, and inflammation (recognized mediators of bone loss and osteoporosis)...
February 16, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29449776/nkx2-3-a-slippery-slope-from-development-through-inflammation-toward-hematopoietic-malignancies
#4
REVIEW
Dóra Vojkovics, Zoltán Kellermayer, Béla Kajtár, Giovanna Roncador, Áron Vincze, Péter Balogh
The development of peripheral lymphoid tissues from the mesoderm is the result of a complex convergence combining lymphohematopoietic differentiation with the local specification of nonhematopoietic mesenchymal components. Although the various transcriptional regulators with fate-determining effects in diversifying the mobile leukocyte subsets have been thoroughly studied and identified, the tissue-specific determinants promoting the regional differentiation of resident mesenchyme are less understood. Of these factors, various members of the NK-class Nkx paralogues have emerged as key regulators for the organogenesis of spleen and mucosal lymphoid tissues, and recent data have also indicated their involvement in various pathological events, including gut inflammation and hematopoietic malignancies...
2018: Biomarker Insights
https://www.readbyqxmd.com/read/29448897/immunomodulation-by-food-impact-on-gut-immunity-and-immune-cell-function
#5
Satoshi Hachimura, Mamoru Totsuka, Akira Hosono
Recent studies have revealed that various food components affect the immune response. These components act on various immune cells, and their effects are mediated through the intestinal immune system and, in some cases, the intestinal microbiota. In this review, we describe the immunomodulating effects of various food components, including probiotics, prebiotics, polysaccharides, vitamins, minerals, fatty acids, peptides, amino acids and polyphenols. Some of these components enhance immune responses, leading to host defense against infection, whereas others inhibit immune responses, thus suppressing allergy and inflammation...
February 16, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29447028/elastase-as-a-potential-biomarker-for-radiation-induced-gut-wall-injury-of-the-distal-bowel-in-an-experimental-mouse-model
#6
Fei Sjöberg, Dilip Kumar Malipatlolla, Piyush Patel, Ulrica Wilderäng, Marie Kalm, Gunnar Steineck, Cecilia Bull
BACKGROUND AND PURPOSE: Traditionally, elastase has been used to study exocrine activity of the pancreas in patients with chronic pancreatitis and cystic fibrosis, and calprotectin as a marker for gut-wall inflammation in patients with inflammatory bowel disease. The aim of the study was to find out whether elastase and calprotectin could be used as inflammatory markers for radiation-induced gut wall injury of the distal bowel. MATERIAL AND METHODS: Adult male mice were exposed to two, three, or four fractions of 6 Gy or 8 Gy irradiation to the sigmoid and rectum of the large bowel, using a linear accelerator...
February 15, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29446342/effects-of-oral-supplementation-with-spirulina-and-chlorella-on-growth-and-digestive-health-in-piglets-around-weaning
#7
H Furbeyre, J van Milgen, T Mener, M Gloaguen, E Labussière
Weaning of piglets is associated with important changes in gut structure and function resulting from stressful events such as separation from the sow, moving to a new facility and dietary transition from a liquid to a solid feed. This may result in post-weaning diarrhoea and a decrease in feed intake and growth. In humans, the cyanobacterium Spirulina platensis (SP) and the freshwater microalga Chlorella vulgaris (CV) are known for their beneficial health effects. This study aimed to determine the effects of early oral administration of Spirulina and Chlorella in piglets on mucosal architecture and cytokine expression in the intestine around weaning, and consequences on growth performance and diarrhoea incidence...
February 15, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29446139/editorial-macrophage-activation-markers-predict-prognosis-and-decompensation-in-patients-with-cirrhosis-linking-gut-permeability-inflammation-and-cirrhosis-progression
#8
EDITORIAL
C Solé, E Pose, E Solà
No abstract text is available yet for this article.
March 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29445110/promising-biomarkers-of-environmental-enteric-dysfunction-a-prospective-cohort-study-in-pakistani-children
#9
Najeeha Talat Iqbal, Kamran Sadiq, Sana Syed, Tauseefullah Akhund, Fayyaz Umrani, Sheraz Ahmed, Mohammad Yawar Yakoob, Najeeb Rahman, Shahida Qureshi, Wenjun Xin, Jennie Z Ma, Molly Hughes, Syed Asad Ali
Environmental Enteric Dysfunction (EED), a syndrome characterized by chronic gut inflammation, contributes towards stunting and poor response to enteric vaccines in children in developing countries. In this study, we evaluated major putative biomarkers of EED using growth faltering as its clinical proxy. Newborns (n = 380) were enrolled and followed till 18 months with monthly anthropometry. Biomarkers associated with gut and systemic inflammation were assessed at 6 and 9 months. Linear mixed effects model was used to determine the associations of these biomarkers with growth faltering between birth and 18 months...
February 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29444477/the-microbiome-in-chronic-kidney-disease-patients-undergoing-hemodialysis-and-peritoneal-dialysis
#10
REVIEW
Liliana Simões-Silva, Ricardo Araujo, Manuel Pestana, Isabel Soares-Silva, Benedita Sampaio-Maia
Chronic kidney disease (CKD) is associated with an imbalanced human microbiome due not only to CKD-associated factors such as uremia, increased inflammation and immunosuppression, but also to pharmacological therapies and dietary restrictions. End-stage renal disease patients require renal replacement therapies commonly in the form of hemodialysis (HD) or peritoneal dialysis (PD). HD implies the existence of a vascular access, such as an arteriovenous fistula/graft or a venous catheter, whereas PD implies a long-term peritoneal catheter and the constant inflow of peritoneal dialysate...
February 11, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29441457/effect-of-vsl-3-probiotic-in-a-patient-with-glycogen-storage-disease-type-ia-and-irritable-bowel-disease-like-disease
#11
Miguel Carnero-Gregorio, Alberto Molares-Vila, Alberte Corbalán-Rivas, Carlos Villaverde-Taboada, Carmen Rodríguez-Cerdeira
Gut Inflammatory bowel disease (IBD) is a group of chronic gastrointestinal disorders characterised by relapsing and remitting inflammation of the gastrointestinal tract. The two most common types of IBDs are ulcerative colitis and Crohn's disease. Patients with glycogen storage disease (GSD) type Ia present with gastrointestinal symptoms such as recurrent abdominal pain, bloating and changes in stool form or frequency, which is clinically difficult to distinguish from IBD. We report the case of a 36-year-old man with GSD type Ia and IBD-like disease...
February 13, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29441064/impact-of-cigarette-smoking-on-the-gastrointestinal-tract-inflammation-opposing-effects-in-crohn-s-disease-and-ulcerative-colitis
#12
REVIEW
Loni Berkowitz, Bárbara M Schultz, Geraldyne A Salazar, Catalina Pardo-Roa, Valentina P Sebastián, Manuel M Álvarez-Lobos, Susan M Bueno
Cigarette smoking is a major risk factor for gastrointestinal disorders, such as peptic ulcer, Crohn's disease (CD), and several cancers. The mechanisms proposed to explain the role of smoking in these disorders include mucosal damage, changes in gut irrigation, and impaired mucosal immune response. Paradoxically, cigarette smoking is a protective factor for the development and progression of ulcerative colitis (UC). UC and CD represent the two most important conditions of inflammatory bowel diseases, and share several clinical features...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29438458/the-problem-of-curcumin-and-its-bioavailability-could-its-gastrointestinal-influence-contribute-to-its-overall-health-enhancing-effects
#13
Adrian L Lopresti
Curcumin, from the spice turmeric, exhibits anti-inflammatory, antioxidant, anticancer, antiviral, and neurotrophic activity and therefore holds promise as a therapeutic agent to prevent and treat several disorders. However, a major barrier to curcumin's clinical efficacy is its poor bioavailability. Efforts have therefore been dedicated to developing curcumin formulations with greater bioavailability and systemic tissue distribution. However, it is proposed in this review that curcumin's potential as a therapeutic agent may not solely rely on its bioavailability, but rather its medicinal benefits may also arise from its positive influence on gastrointestinal health and function...
January 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29436350/a-longitudinal-study-of-household-water-sanitation-and-hygiene-characteristics-and-environmental-enteropathy-markers-in-children-less-than-24-months-in-iquitos-peru
#14
Natalie G Exum, Gwenyth O Lee, Maribel Paredes Olórtegui, Pablo Peñataro Yori, Mery Siguas Salas, Dixner Rengifo Trigoso, Josh Colston, Kellogg J Schwab, Benjamin J J McCormick, Margaret N Kosek
Poor child gut health, resulting from a lack of access to an improved toilet or clean water, has been proposed as a biological mechanism underlying child stunting and oral vaccine failure. Characteristics related to household sanitation, water use, and hygiene were measured among a birth cohort of 270 children from peri-urban Iquitos Peru. These children had monthly stool samples and urine samples at four time points and serum samples at (2-4) time points analyzed for biomarkers related to intestinal inflammation and permeability...
February 12, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29434315/association-of-gut-microbial-communities-with-plasma-lipopolysaccharide-binding-protein-lbp-in-premenopausal-women
#15
Jessica S Citronberg, Keith R Curtis, Emily White, Polly A Newcomb, Katherine Newton, Charlotte Atkinson, Xiaoling Song, Johanna W Lampe, Meredith Aj Hullar
The mechanisms by which obesity increases cancer risk are unclear, but some lines of evidence suggest that gut microbial communities (GMC) may contribute to chronic inflammation in obese individuals through raised systemic levels of lipopolysaccharides (LPS). We evaluated associations of the GMC in stool with plasma LPS-binding protein (LBP, a measure of LPS) and C-reactive protein (CRP) concentrations in 110 premenopausal women in the United States. Diet was assessed using 3-day food records and GMCs were evaluated using pyrosequencing of the 16S rRNA gene...
February 12, 2018: ISME Journal
https://www.readbyqxmd.com/read/29432952/g-i-pros-antimicrobial-defense-in-the-gastrointestinal-tract
#16
REVIEW
Lawton K Chung, Manuela Raffatellu
The gastrointestinal tract is a complex environment in which the host immune system interacts with a diverse array of microorganisms, both symbiotic and pathogenic. As such, mobilizing a rapid and appropriate antimicrobial response depending on the nature of each stimulus is crucial for maintaining the balance between homeostasis and inflammation in the gut. Here we focus on the mechanisms by which intestinal antimicrobial peptides regulate microbial communities during dysbiosis and infection. We also discuss classes of bacterial peptides that contribute to reducing enteric pathogen outgrowth...
February 9, 2018: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29432061/atorvastatin-treatment-modulates-the-gut-microbiota-of-the-hypercholesterolemic-patients
#17
Tariq Jamal Khan, Youssri M Ahmed, Mazin A Zamzami, Aisha M Siddiqui, Imran Khan, Othman A S Baothman, Mohamed G Mehanna, Abudukadeer Kuerban, Mohammed Kaleemuddin, Muhammad Yasir
Hypercholesterolemia is one of the most important risk factors for development of cardiovascular diseases. The composition of gut microbiota (total microbes residing in the gut) impacts on cholesterol and lipid metabolism. On the contrary, alterations in gut microbiota in response to hypercholesterolemia or drug treatment with atorvastatin (a cholesterol-lowering agent) are rarely investigated. We performed 16S rDNA amplicon sequencing to evaluate the gut bacterial community of 15 untreated hypercholesterolemic patients (HP) and 27 atorvastatin-treated hypercholesterolemic patients (At-HP) and compared with 19 healthy subjects (HS)...
February 2018: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/29429965/mast-cells-promote-small-bowel-cancer-in-a-tumor-stage-specific-and-cytokine-dependent-manner
#18
Abdulrahman M Saadalla, Abu Osman, Michael F Gurish, Kristen L Dennis, Nichole R Blatner, Abdulmohammad Pezeshki, Kelly M McNagny, Hilde Cheroutre, Fotini Gounari, Khashayarsha Khazaie
Mast cells (MCs) are tissue resident sentinels that mature and orchestrate inflammation in response to infection and allergy. While they are also frequently observed in tumors, the contribution of MCs to carcinogenesis remains unclear. Here, we show that sequential oncogenic events in gut epithelia expand different types of MCs in a temporal-, spatial-, and cytokine-dependent manner. The first wave of MCs expands focally in benign adenomatous polyps, which have elevated levels of IL-10, IL-13, and IL-33, and are rich in type-2 innate lymphoid cells (ILC2s)...
February 13, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29427903/the-gut-microbiota-as-a-novel-regulator-of-cardiovascular-function-and-disease
#19
REVIEW
Micah L Battson, Dustin M Lee, Tiffany L Weir, Christopher L Gentile
The gut microbiome has emerged as a critical regulator of human physiology. Deleterious changes to the composition or number of gut bacteria, commonly referred to as gut dysbiosis, has been linked to the development and progression of numerous diet-related diseases, including cardiovascular disease (CVD). Most CVD risk factors, including aging, obesity, certain dietary patterns, and a sedentary lifestyle, have been shown to induce gut dysbiosis. Dysbiosis is associated with intestinal inflammation and reduced integrity of the gut barrier, which in turn increases circulating levels of bacterial structural components and microbial metabolites that may facilitate the development of CVD...
December 27, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29427656/gut-microbiota-inflammation-and-probiotics-on-neural-development-in-autism-spectrum-disorder
#20
REVIEW
Ceymi Doenyas
Recent evidence implicates immune alterations and gut microbiota dysbiosis in at least some subpopulations of individuals with autism spectrum disorder (ASD). Immune and gut alterations in ASD have mostly been studied separately, and the reviews and theoretical models up to now have mainly considered the immune system as one of the routes for gut-brain communication. We take a different perspective and consider possible common mechanisms of action for the gut microbiota and inflammation on the neural basis of ASD...
February 7, 2018: Neuroscience
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