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Stress related mucosal disease

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https://www.readbyqxmd.com/read/29912589/lactobacillus-plantarum-prevents-and-mitigates-alcohol-induced-disruption-of-colonic-epithelial-tight-junctions-endotoxemia-and-liver-damage-by-an-egf-receptor-dependent-mechanism
#1
Pradeep K Shukla, Avtar S Meena, Bhargavi Manda, Maria Gomes-Solecki, Paula Dietrich, Ioannis Dragatsis, RadhaKrishna Rao
Pathogenesis of alcohol-related diseases such as alcoholic hepatitis involves gut barrier dysfunction, endotoxemia, and toxin-mediated cellular injury. Here we show that Lactobacillus plantarum not only blocks but also mitigates ethanol (EtOH)-induced gut and liver damage in mice. L. plantarum blocks EtOH-induced protein thiol oxidation, and down-regulation of antioxidant gene expression in colon L. plantarum also blocks EtOH-induced expression of TNF-α, IL-1β, IL-6, monocyte chemotactic protein 1 ( MCP1), C-X-C motif chemokine ligand ( CXCL)1, and CXCL2 genes in colon...
June 18, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29867808/-lactobacillus-frumenti-facilitates-intestinal-epithelial-barrier-function-maintenance-in-early-weaned-piglets
#2
Jun Hu, Lingli Chen, Wenyong Zheng, Min Shi, Liu Liu, Chunlin Xie, Xinkai Wang, Yaorong Niu, Qiliang Hou, Xiaofan Xu, Baoyang Xu, Yimei Tang, Shuyi Zhou, Yiqin Yan, Tao Yang, Libao Ma, Xianghua Yan
Increased intestinal epithelial barrier function damages caused by early weaning stress have adverse effects on swine health and feed utilization efficiency. Probiotics have emerged as the promising antibiotic alternatives used for intestinal barrier function damage prevention. Our previous data showed that Lactobacillus frumenti was identified as a predominant Lactobacillus in the intestinal microbiota of weaned piglets. However, whether the intestinal epithelial barrier function in piglets was regulated by L...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29862492/interventions-for-preventing-upper-gastrointestinal-bleeding-in-people-admitted-to-intensive-care-units
#3
REVIEW
Ingrid Toews, Aneesh Thomas George, John V Peter, Richard Kirubakaran, Luís Eduardo S Fontes, Jabez Paul Barnabas Ezekiel, Joerg J Meerpohl
BACKGROUND: Upper gastrointestinal (GI) bleeding due to stress ulcers contributes to increased morbidity and mortality in people admitted to intensive care units (ICUs). Stress ulceration refers to GI mucosal injury related to the stress of being critically ill. ICU patients with major bleeding as a result of stress ulceration might have mortality rates approaching 48.5% to 65%. However, the incidence of stress-induced GI bleeding in ICUs has decreased, and not all critically ill patients need prophylaxis...
June 4, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29757356/developing-a-diagnostic-understanding-of-gerd-phenotypes-through-the-analysis-of-levels-of-mucosal-injury-immune-activation-and-psychological-comorbidity
#4
C Zhong, K Liu, K Wang, H Liu, H Su, J Wu, L Duan
Patients with gastroesophageal reflux disease (GERD) can present with typical or atypical symptoms. The aim of this study is to explore the underlying physiological and psychological mechanisms that lead to different symptomatic manifestations of GERD. A total of 238 patients diagnosed with GERD underwent gastroscopy, 24 h multichannel intraluminal impedance-pH (MII-pH) monitoring, and psychological assessment with questionnaires. Patient symptoms were used to classify GERD into phenotypes of typical reflux syndrome (TRS, n = 87), reflux chest pain syndrome (RCS, n = 98), and extraesophageal syndromes (EES, n = 53)...
May 10, 2018: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29675025/impact-of-paneth-cell-autophagy-on-inflammatory-bowel-disease
#5
REVIEW
Shu-Ling Wang, Bo-Zong Shao, Sheng-Bing Zhao, Jun Fang, Lun Gu, Chao-Yu Miao, Zhao-Shen Li, Yu Bai
Intestinal mucosal barrier, mainly consisting of the mucus layer and epithelium, functions in absorbing nutrition as well as prevention of the invasion of pathogenic microorganisms. Paneth cell, an important component of mucosal barrier, plays a vital role in maintaining the intestinal homeostasis by producing antimicrobial materials and controlling the host-commensal balance. Current evidence shows that the dysfunction of intestinal mucosal barrier, especially Paneth cell, participates in the onset and progression of inflammatory bowel disease (IBD)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29659951/l-glutamine-attenuates-apoptosis-in-porcine-enterocytes-by-regulating-glutathione-related-redox-homeostasis
#6
Ning Liu, Xiaoshi Ma, Xuan Luo, Yunchang Zhang, Yu He, Zhaolai Dai, Ying Yang, Guoyao Wu, Zhenlong Wu
Background: Programmed cell death plays a fundamental role in intestinal development and mucosal homeostasis. Dysregulation of these processes is associated with an impaired intestinal-mucosal barrier, reduced nutrient absorption, and initiation and progression of intestinal diseases. 4-Hydroxy-2-nonenal (4-HNE), a product of lipid peroxidation, is commonly used to induce oxidative stress in cells. l-Glutamine is known to protect cells from apoptosis. However, the underlying mechanisms are largely unknown...
April 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29510225/effects-of-environment-pollution-on-the-ocular-surface
#7
REVIEW
Se Ji Jung, Jodhbir S Mehta, Louis Tong
The twenty-first century is fraught with dangers like climate change and pollution, which impacts human health and mortality. As levels of pollution increase, respiratory illnesses and cardiovascular ailments become more prevalent. Less understood are the eye-related complaints, which are commonly associated with increasing pollution. Affected people may complain of irritation, redness, foreign body sensation, tearing, and blurring of vision. Sources of pollution are varied, ranging from gases (such as ozone and NO2 ) and particulate matter produced from traffic, to some other hazards associated with indoor environments...
April 2018: Ocular Surface
https://www.readbyqxmd.com/read/29499622/stress-related-upper-gastrointestinal-bleeding-in-adult-neurocritical-care-patients-a-chinese-multicenter-retrospective-study
#8
Junji Wei, Rongcai Jiang, Lihong Li, Dezhi Kang, Guodong Gao, Chao You, Jianmin Zhang, Liang Gao, Qibing Huang, Duanwu Luo, Gang Zhao, Hongyi Zhang, Shuo Wang, Renzhi Wang
OBJECTIVE: China has limited data on stress-related gastrointestinal ulcers in patients admitted for neurosurgical care. This study evaluated the incidence of upper gastrointestinal bleeding (UGIB) and use of stress ulcer prophylaxis (SUP) in Chinese neurocritical care patients (Glasgow Coma Scale [GCS] score ≤ 10). METHODS: This multicenter, retrospective study was performed from January 2015 to July 2015. Medical records of 1468 patients hospitalized during 2014 were reviewed...
March 2, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29460464/effect-of-sucralfate-on-gastric-permeability-in-an-ex-vivo-model-of-stress-related-mucosal-disease-in-dogs
#9
Tracy L Hill, B Duncan X Lascelles, Anthony T Blikslager
BACKGROUND: Sucralfate is a gastroprotectant with no known systemic effects. The efficacy of sucralfate for prevention and treatment of stress-related mucosal diseases (SRMD) in dogs is unknown. HYPOTHESIS/OBJECTIVES: To develop a canine ex vivo model of SRMD and to determine the effect of sucralfate on mucosal barrier function in this model. ANIMALS: Gastric antral mucosa was collected immediately postmortem from 29 random-source apparently healthy dogs euthanized at a local animal control facility...
March 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28993273/acute-mental-stress-induces-mitochondrial-bioenergetic-crisis-and-hyper-fission-along-with-aberrant-mitophagy-in-the-gut-mucosa-in-rodent-model-of-stress-related-mucosal-disease
#10
Rudranil De, Somnath Mazumder, Souvik Sarkar, Subhashis Debsharma, Asim Azhar Siddiqui, Shubhra Jyoti Saha, Chinmoy Banerjee, Shiladitya Nag, Debanjan Saha, Uday Bandyopadhyay
Psychological stress, depression and anxiety lead to multiple organ dysfunctions wherein stress-related mucosal disease (SRMD) is common to people experiencing stress and also occur as a side effect in patients admitted to intensive care units; however the underlying molecular aetiology is still obscure. We report that in rat-SRMD model, cold restraint-stress severely damaged gut mitochondrial functions to generate superoxide anion (O2 •- ), depleted ATP and shifted mitochondrial fission-fusion dynamics towards enhanced fission to induce mucosal injury...
December 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28942174/gut-biofilm-forming-bacteria-in-inflammatory-bowel-disease
#11
REVIEW
Ankita Srivastava, Jaya Gupta, Sunil Kumar, Awanish Kumar
Inflammatory bowel disease (IBD) symbolizes a group of intestinal disorders in which prolonged inflammation occur in the digestive tract (esophagus, large intestine, small intestine mouth, stomach). Both genetic and environmental factors (infections, stress, diet) are involved in the development of IBD. As we know that bacteria are found in the intestinal mucosa of human and clinical observations revealed bacterial biofilms associated with patients of IBD. Various factors and microbes are found to play an essential role in biofilm formation and mucosal colonization during IBD...
September 20, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28812000/diagnostic-imaging-features-of-necrotizing-enterocolitis-a-narrative-review
#12
REVIEW
Francesco Esposito, Rosanna Mamone, Marco Di Serafino, Carmela Mercogliano, Valerio Vitale, Gianfranco Vallone, Patrizia Oresta
Necrotizing enterocolitis (NEC) is an inflammatory process, characterized by intestinal necrosis of variable extension, leading to perforation, generalized peritonitis and death. The classical pathogenetic theory focuses on mucosal damage related to a stress induced intestinal ischemia leading to mucosal injury and bacterial colonization of the wall. A more recent hypothesis emphasizes the role of immaturity of gastrointestinal and immune system, particularly of the premature, responsible of bowel wall vulnerability and suffering...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28762585/therapeutic-effects-of-6-gingerol-8-gingerol-and-10-gingerol-on-dextran-sulfate-sodium-induced-acute-ulcerative-colitis-in-rats
#13
Feng Zhang, Na Ma, Yong-Feng Gao, Li-Li Sun, Ji-Guo Zhang
Ulcerative colitis is one of the most common types of inflammatory bowel disease and is multifactorial and relapsing. 6-Gingerol, a component of gingerols extracted from ginger (Zingiber officinale), has been reported to improve ulcerative colitis. The present study aims to investigate the therapeutic efficacy of two analogous forms of 6-gingerol, 8-gingerol, and 10-gingerol, on ulcerative colitis. Colitis was induced in rats through consumption of 5% (w/v) dextran sulfate sodium drinking water for 7 consecutive days...
September 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28731213/immunomodulatory-properties-of-olea-europaea-leaf-extract-in-intestinal-inflammation
#14
Teresa Vezza, Francesca Algieri, Alba Rodríguez-Nogales, José Garrido-Mesa, M Pilar Utrilla, Nassima Talhaoui, Ana María Gómez-Caravaca, Antonio Segura-Carretero, M Elena Rodríguez-Cabezas, Giovanni Monteleone, Julio Gálvez
SCOPE: Extracts from olive (Olea europaea) leaves are used in Mediterranean traditional medicine as anti-inflammatory agents. They contain antioxidant phenolic compounds, such as oleuropeoside, which could be interesting for the treatment of inflammatory conditions associated with oxidative stress in humans, including inflammatory bowel disease. METHODS AND RESULTS: The anti-inflammatory effects of olive leaf extract (0.5-25 mg/kg) were studied in two mice models of colitis (DSS and DNBS)...
October 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28717845/proteomics-in-inflammatory-bowel-disease-approach-using-animal-models
#15
REVIEW
Fadi H Mourad, Yunki Yau, Valerie C Wasinger, Rupert W Leong
Recently, proteomics studies have provided important information on the role of proteins in health and disease. In the domain of inflammatory bowel disease, proteomics has shed important light on the pathogenesis and pathophysiology of inflammation and has contributed to the discovery of some putative clinical biomarkers of disease activity. By being able to obtain a large number of specimens from multiple sites and control for confounding environmental, genetic, and metabolic factors, proteomics studies using animal models of colitis offered an alternative approach to human studies...
September 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28684298/polysaccharides-of-dendrobium-officinale-kimura-migo-protect-gastric-mucosal-cell-against-oxidative-damage-induced-apoptosis-in-vitro-and-in-vivo
#16
Qiang Zeng, Chun-Hay Ko, Wing-Sum Siu, Long-Fei Li, Xiao-Qiang Han, Liu Yang, Clara Bik-San Lau, Jiang-Miao Hu, Ping-Chung Leung
ETHNOPHARMACOLOGICAL RELEVANCE: Dendrobium officinale Kimura & Migo (DO) is a valuable Traditional Chinese Medicine to nourish stomach, in which polysaccharides are identified as active ingredients. However, limited scientific evidences have been reported on the gastroprotective efficacy of DO. The aim of the current study was to investigate the protective effects and underlying mechanism of polysaccharides from DO(DOP) on gastric mucosal injury. MATERIAL AND METHODS: For in vitro study, HFE145 cells were pretreated with DOP before induction of cell apoptosis by H2 O2 ...
August 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28678827/identifying-novel-genes-and-biological-processes-relevant-to-the-development-of-cancer-therapy-induced-mucositis-an-informative-gene-network-analysis
#17
REVIEW
Cielito C Reyes-Gibby, Stephanie C Melkonian, Jian Wang, Robert K Yu, Samuel A Shelburne, Charles Lu, Gary Brandon Gunn, Mark S Chambers, Ehab Y Hanna, Sai-Ching J Yeung, Sanjay Shete
Mucositis is a complex, dose-limiting toxicity of chemotherapy or radiotherapy that leads to painful mouth ulcers, difficulty eating or swallowing, gastrointestinal distress, and reduced quality of life for patients with cancer. Mucositis is most common for those undergoing high-dose chemotherapy and hematopoietic stem cell transplantation and for those being treated for malignancies of the head and neck. Treatment and management of mucositis remain challenging. It is expected that multiple genes are involved in the formation, severity, and persistence of mucositis...
2017: PloS One
https://www.readbyqxmd.com/read/28625152/lipid-oxidation-products-in-the-pathogenesis-of-inflammation-related-gut-diseases
#18
Barbara Sottero, Daniela Rossin, Giuseppe Poli, Fiorella Biasi
BACKGROUND: A defective mucosal barrier function is the principal cause of the uncontrolled onset and progression of a number of human inflammatory gut diseases, most of which are characterized by chronic intermittent immune and inflammatory responses leading to structural intestinal damage, which can represent a potential risk for colorectal cancer development. During the active disease phase the production of pro-inflammatory cytokines and chemokines, and the induction of oxidative reactions by activated leukocytes and epithelial cells represent the main event in the intestinal inflammation...
2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28338023/implant-maintenance-treatment-and-peri-implant-health
#19
COMMENT
Mark-Steven Howe
Data sourcesMedline (PubMed), Embase, Cochrane Central Register of Controlled Trials and Cochrane Oral Health Group Trials Register databases and a manual search of the Journal of Dental Research, Journal of Clinical Periodontology, Journal of Periodontology and the International Journal of Periodontics and Restorative Dentistry from January 2014 to February 2015.Study selectionProspective, retrospective, randomised or not, case-controlled or case series trials showing the incidence or recurrence of peri-implant disease plus or minus PIMT over more than six months...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28320982/comparison-of-three-acute-stress-models-for-simulating-the-pathophysiology-of-stress-related-mucosal-disease
#20
COMPARATIVE STUDY
Bhagawati Saxena, Sanjay Singh
Stress-related mucosal disease (SRMD) is highly prevalent in intensive care patients leading to increasing treatment cost and mortality. SRMD is a disease elusive of ideal treatment. Evaluation of drugs is very pertinent for the efficient and safe treatment of SRMD. It relies mainly on in vivo screening models. There are various stress models, and till date, none of them is validated for simulating the SRMD pathophysiology. The present study aims to choose the best model, which reproduce pathophysiology of SRMD, among previously established stress models...
May 30, 2017: Drug Discoveries & Therapeutics
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