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https://www.readbyqxmd.com/read/28538694/essential-role-of-growth-hormone-and-igf-1-in-therapeutic-effect-of-ghrelin-in-the-course-of-acetic-acid-induced-colitis
#1
Piotr Ceranowicz, Zygmunt Warzecha, Jakub Cieszkowski, Dagmara Ceranowicz, Beata Kuśnierz-Cabala, Joanna Bonior, Jolanta Jaworek, Tadeusz Ambroży, Krzysztof Gil, Rafał Olszanecki, Małgorzata Pihut, Artur Dembiński
Previous studies have shown that ghrelin exhibits a protective and therapeutic effect in the gut. The aim of the present study was to examine whether administration of ghrelin affects the course of acetic acid-induced colitis and to determine what is the role of growth hormone (GH) and insulin-like growth factor-1 (IGF-1) in this effect. In sham-operated or hypophysectomized male Wistar rats, colitis was induced by enema with 1 mL of 3% solution of acetic acid. Saline or ghrelin (given at the dose of 8 nmol/kg/dose) was administered intraperitoneally twice a day...
May 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28538678/effects-of-commercial-apple-varieties-on-human-gut-microbiota-composition-and-metabolic-output-using-an-in-vitro-colonic-model
#2
Athanasios Koutsos, Maria Lima, Lorenza Conterno, Mattia Gasperotti, Martina Bianchi, Francesca Fava, Urska Vrhovsek, Julie A Lovegrove, Kieran M Tuohy
Apples are a rich source of polyphenols and fiber. A major proportion of apple polyphenols escape absorption in the small intestine and together with non-digestible polysaccharides reach the colon, where they can serve as substrates for bacterial fermentation. Animal studies suggest a synergistic interaction between apple polyphenols and the soluble fiber pectin; however, the effects of whole apples on human gut microbiota are less extensively studied. Three commercial apple varieties-Renetta Canada, Golden Delicious and Pink Lady-were digested and fermented in vitro using a batch culture colonic model (pH 5...
May 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28538240/sharing-progress-in-neonatal-spin-brain-gut-heart-and-lung-incorporating-the-32nd-international-workshop-on-surfactant-replacement-dublin-may-26-27-2017-abstracts
#3
https://www.readbyqxmd.com/read/28538232/sharing-progress-in-neonatal-spin-brain-gut-heart-and-lung
#4
Eleanor J Molloy, Tore Curstedt, Henry L Halliday, Mikko Hallman, Ola D Saugstad, Christian P Speer
No abstract text is available yet for this article.
2017: Neonatology
https://www.readbyqxmd.com/read/28538178/wolf-hirschhorn-syndrome-candidate-1-is-necessary-for-correct-hematopoietic-and-b-cell-development
#5
Elena Campos-Sanchez, Nerea Deleyto-Seldas, Veronica Dominguez, Enrique Carrillo-de-Santa-Pau, Kiyoe Ura, Pedro P Rocha, JungHyun Kim, Arafat Aljoufi, Anna Esteve-Codina, Marc Dabad, Marta Gut, Holger Heyn, Yasufumi Kaneda, Keisuke Nimura, Jane A Skok, Maria Luisa Martinez-Frias, Cesar Cobaleda
Immunodeficiency is one of the most important causes of mortality associated with Wolf-Hirschhorn syndrome (WHS), a severe rare disease originated by a deletion in chromosome 4p. The WHS candidate 1 (WHSC1) gene has been proposed as one of the main genes responsible for many of the alterations in WHS, but its mechanism of action is still unknown. Here, we present in vivo genetic evidence showing that Whsc1 plays an important role at several points of hematopoietic development. Particularly, our results demonstrate that both differentiation and function of Whsc1-deficient B cells are impaired at several key developmental stages due to profound molecular defects affecting B cell lineage specification, commitment, fitness, and proliferation, demonstrating a causal role for WHSC1 in the immunodeficiency of WHS patients...
May 23, 2017: Cell Reports
https://www.readbyqxmd.com/read/28538013/update-on-the-pathogenesis-and-treatment-of-juvenile-idiopathic-arthritis
#6
Gabriella Giancane, Alessandra Alongi, Angelo Ravelli
PURPOSE OF REVIEW: To provide an overview of recently published studies on pathogenesis and management of juvenile idiopathic arthritis (JIA). RECENT FINDINGS: In the past year, the potential role of network analysis in the understanding of the molecular phenotype of individual JIA subgroups has been highlighted. In addition, potential new targets for pharmacologic interventions have been identified through the elucidation of mechanisms that modulate the function of cells involved in the inflammatory process...
May 22, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28537887/dietary-factors-and-microrna-binding-site-polymorphisms-in-the-il13-gene-risk-and-prognosis-analysis-of-colorectal-cancer
#7
Yanming Yu, Junde Zhou, Chen Gong, Zhiping Long, Jingshen Tian, Lin Zhu, Jing Li, Hongyuan Yu, Fan Wang, Yashuang Zhao
Long-term dietary intake influences the structure and activity of microorganisms residing in the human gut. The immune response and gut microbiota have a mutual influence on the risk of colorectal cancer (CRC). This study examines the association of gut microbiota-related dietary factors and polymorphisms in the microRNA-binding site of the interleukin 13 gene (IL13) with the risk and prognosis of CRC. Three polymorphisms (rs847, rs848, and rs1295685) were selected for genotyping in a case-control study (513 cases, 572 controls), and 386 CRC patients were followed up...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28535580/gastroparesis-updates-on-pathogenesis-and-management
#8
REVIEW
Nanlong Liu, Thomas Abell
Gastroparesis (Gp) is a chronic disease that presents with clinical symptoms of early satiety, bloating, nausea, vomiting, and abdominal pain. Along with these symptoms, an objective finding of delayed gastric emptying, along with a documented absence of gastric outlet obstruction, are required for diagnosis. This article focuses on updates in the pathogenesis and management of Gp. Recent studies on full thickness biopsies of Gp patients have shed light on the complex interactions of the central, autonomic, and enteric nervous systems, which all play key roles in maintaining normal gut motility...
May 25, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28535508/resistant-starch-regulates-gut-microbiota-structure-biochemistry-and-cell-signalling
#9
Xiaoping Yang, Kwame Oteng Darko, Yanjun Huang, Caimei He, Huansheng Yang, Shanping He, Jianzhong Li, Jian Li, Berthold Hocher, Yulong Yin
Starch is one of the most popular nutritional sources for both human and animals. Due to the variation of its nutritional traits and biochemical specificities, starch has been classified into rapidly digestible, slowly digestible and resistant starch. Resistant starch has its own unique chemical structure, and various forms of resistant starch are commercially available. It has been found being a multiple-functional regulator for treating metabolic dysfunction. Different functions of resistant starch such as modulation of the gut microbiota, gut peptides, circulating growth factors, circulating inflammatory mediators have been characterized by animal studies and clinical trials...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535484/biomonitoring-of-genotoxicity-of-industrial-fertilizer-pollutants-in-aiolopus-thalassinus-orthoptera-acrididae-using-alkaline-comet-assay
#10
Eman A Abdelfattah, Maria Augustyniak, Hesham A Yousef
Phosphate fertilizer industry is considered as one of the main sources of environmental pollutants. Besides solid waste products, e.g. phosphates, sulphates, and heavy metals, also atmospheric pollutants, such as hydrofluoric acid fumes (HF), sulphur dioxide (SO2), nitrogen oxides (NO2), and particulate matter with diameter up to 10 μm (PM10) can be dangerous. Genotoxic effect of these pollutants was monitored by assessing the DNA damage using alkaline comet assay on cells from brain, thoracic muscles and gut of Aiolopus thalassinus collected at three sites (A-C) located at 1, 3, and 6 km away from Abu-Zaabal Company for Fertilizers and Chemical Industries...
May 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28535372/a-brain-region-specific-neural-pathway-regulating-germinal-matrix-angiogenesis
#11
Shang Ma, Devi Santhosh, Peeyush Kumar T, Zhen Huang
Intimate communication between neural and vascular cells is critical for normal brain development and function. Germinal matrix (GM), a key primordium for the brain reward circuitry, is unique among brain regions for its distinct pace of angiogenesis and selective vulnerability to hemorrhage during development. A major neonatal condition, GM hemorrhage can lead to cerebral palsy, hydrocephalus, and mental retardation. Here we identify a brain-region-specific neural progenitor-based signaling pathway dedicated to regulating GM vessel development...
May 22, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28535200/the-draft-genome-of-blunt-snout-bream-megalobrama-amblycephala-reveals-the-development-of-intermuscular-bone-and-adaptation-to-herbivorous-diet
#12
Han Liu, Chunhai Chen, Zexia Gao, Jiumeng Min, Yongming Gu, Jianbo Jian, Xiewu Jiang, Huimin Cai, Ingo Ebersberger, Meng Xu, Xinhui Zhang, Jianwei Chen, Wei Luo, Boxiang Chen, Junhui Chen, Hong Liu, Jiang Li, Ruifang Lai, Mingzhou Bai, Jin Wei, Shaokui Yi, Huanling Wang, Xiaojuan Cao, Xiaoyun Zhou, Yuhua Zhao, Kaijian Wei, Ruibin Yang, Bingnan Liu, Shancen Zhao, Xiaodong Fang, Manfred Schartl, Xueqiao Qian, Weimin Wang
Background: The blunt snout bream, Megalobrama amblycephala , is the economically most important cyprinid fish species. As an herbivore, it can be grown by eco-friendly and resource-conserving aquaculture. However, the large number of intermuscular bones in the trunk musculature is adverse to fish meat processing and consumption. Results: As a first towards optimizing this aquatic livestock, we present a 1.116-Gb draft genome of M. amblycephala , with 779.54 Mb anchored on 24 linkage groups...
May 23, 2017: GigaScience
https://www.readbyqxmd.com/read/28534821/from-genome-to-phenotype-an-integrative-approach-to-evaluate-the-biodiversity-of-lactococcus-lactis
#13
REVIEW
Valérie Laroute, Hélène Tormo, Christel Couderc, Muriel Mercier-Bonin, Pascal Le Bourgeois, Muriel Cocaign-Bousquet, Marie-Line Daveran-Mingot
Lactococcus lactis is one of the most extensively used lactic acid bacteria for the manufacture of dairy products. Exploring the biodiversity of L. lactis is extremely promising both to acquire new knowledge and for food and health-driven applications. L. lactis is divided into four subspecies: lactis, cremoris, hordniae and tructae, but only subsp. lactis and subsp. cremoris are of industrial interest. Due to its various biotopes, Lactococcus subsp. lactis is considered the most diverse. The diversity of L...
May 19, 2017: Microorganisms
https://www.readbyqxmd.com/read/28534820/antioxidant-properties-of-probiotic-bacteria
#14
REVIEW
Yang Wang, Yanping Wu, Yuanyuan Wang, Han Xu, Xiaoqiang Mei, Dongyou Yu, Yibing Wang, Weifen Li
Oxidative stress defines a condition in which the prooxidant-antioxidant balance in the cell is disturbed, resulting in DNA hydroxylation, protein denaturation, lipid peroxidation, and apoptosis, ultimately compromising cells' viability. Probiotics have been known for many beneficial health effects, and the consumption of probiotics alone or in food shows that strain-specific probiotics can present antioxidant activity and reduce damages caused by oxidation. However, the oxidation-resistant ability of probiotics, especially the underling mechanisms, is not properly understood...
May 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28534028/mechanisms-affecting-the-gut-of-preterm-infants-in-enteral-feeding-trials
#15
Nicholas D Embleton, Janet E Berrington, Jon Dorling, Andrew K Ewer, Edmund Juszczak, John A Kirby, Christopher A Lamb, Clare V Lanyon, William McGuire, Christopher S Probert, Stephen P Rushton, Mark D Shirley, Christopher J Stewart, Stephen P Cummings
Large randomized controlled trials (RCTs) in preterm infants offer unique opportunities for mechanistic evaluation of the risk factors leading to serious diseases, as well as the actions of interventions designed to prevent them. Necrotizing enterocolitis (NEC) a serious inflammatory gut condition and late-onset sepsis (LOS) are common feeding and nutrition-related problems that may cause death or serious long-term morbidity and are key outcomes in two current UK National Institutes for Health Research (NIHR) trials...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28533966/microbiome-patterns-across-the-gastrointestinal-tract-of-the-rabbitfish-siganus-fuscescens
#16
Shaun Nielsen, Jackson Wilkes Walburn, Adriana Vergés, Torsten Thomas, Suhelen Egan
Most of our knowledge regarding the biodiversity of gut microbes comes from terrestrial organisms or marine species of economic value, with less emphasis on ecologically important species. Here we investigate the bacterial composition associated with the gut of Siganus fuscescens, a rabbitfish that plays an important ecological role in coastal ecosystems by consuming seaweeds. Members of Firmicutes, Bacteroidetes and delta-Proteobacteria were among the dominant taxa across samples taken from the contents and the walls (sites) of the midgut and hindgut (location)...
2017: PeerJ
https://www.readbyqxmd.com/read/28533920/inflammatory-bowel-disease-efficient-remission-maintenance-is-crucial-for-cost-containment
#17
REVIEW
Giovanni C Actis, Rinaldo Pellicano
The inflammatory bowel diseases (IBD) are chronic incurable inflammatory disorders of the gut. Some 10% run a downhill course, requiring emergency medical support and often surgery; another small subset are monogenic, and, threatening pediatric patients, are the challenge of these days. The majority of the IBDs, however, are polygenic low-penetrance diseases, running a lifetime waxing-and-waning course. The prevalent trend is towards a slow worsening and steady cost increase. Each and all drugs of the available arsenal exhibit strengths and weaknesses: Mesalamines are chiefly effectively for mild-moderate colitis, and do not work in Crohn's; steroids do not control some 40% of the ulcerative colitis cases, and are not indicated for Crohn's; thiopurines are effective in the maintenance of the IBDs but do not prevent relapses on withdrawal; biologics are still being used empirically (not monitored) causing further increase of their cost over that of hospitalization...
May 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28533782/towards-an-integrative-understanding-of-diet-host-gut-microbiome-interactions
#18
Mark N Read, Andrew J Holmes
Over the last 20 years, a sizeable body of research has linked the microbiome and host diet to a remarkable diversity of diseases. Yet, unifying principles of microbiome assembly or function, at levels required to rationally manipulate a specific individual's microbiome to their benefit, have not emerged. A key driver of both community composition and activity is the host diet, but diet-microbiome interactions cannot be characterized without consideration of host-diet interactions such as appetite and digestion...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28533691/microbiome-disruption-and-recovery-in-the-fish-gambusia-affinis-following-exposure-to-broad-spectrum-antibiotic
#19
Jeanette M Carlson, Annie B Leonard, Embriette R Hyde, Joseph F Petrosino, Todd P Primm
Antibiotics are a relatively common disturbance to the normal microbiota of humans and agricultural animals, sometimes resulting in severe side effects such as antibiotic-associated enterocolitis. Gambusia affinis was used as a vertebrate model for effects of a broad-spectrum antibiotic, rifampicin, on the skin and gut mucosal microbiomes. The fish were exposed to the antibiotic in the water column for 1 week, and then monitored during recovery. As observed via culture, viable counts from the skin microbiome dropped strongly yet returned to pretreatment levels by 1...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28533660/genes-emotions-and-gut-microbiota-the-next-frontier-for-the-gastroenterologist
#20
REVIEW
Arturo Panduro, Ingrid Rivera-Iñiguez, Maricruz Sepulveda-Villegas, Sonia Roman
Most medical specialties including the field of gastroenterology are mainly aimed at treating diseases rather than preventing them. Genomic medicine studies the health/disease process based on the interaction of the human genes with the environment. The gastrointestinal (GI) system is an ideal model to analyze the interaction between our genes, emotions and the gut microbiota. Based on the current knowledge, this mini-review aims to provide an integrated synopsis of this interaction to achieve a better understanding of the GI disorders related to bad eating habits and stress-related disease...
May 7, 2017: World Journal of Gastroenterology: WJG
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