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https://www.readbyqxmd.com/read/28641541/-stress-is-80-years-old-from-hans-selye-original-paper-in-1936-to-recent-advances-in-gi-ulceration
#1
Sandor Szabo, Masashi Yoshida, Janos Filakovszky, Gyorgy Juhasz
The first scientific publication on 'general adaption syndrome', or as we know today 'biologic stress' has been published in Nature in 1936 by the 29-year old Hans Selye. His results in that short publication that contained no references or illustrations, were based on experiments in rats that were exposed to severe insults/stressors, but his idea about a 'nonspecific bodily response' originated from his observations of sick patients whom he had seen as a medical students and young clinician. Autopsy of stressed rats revealed three major, grossly visible changes: hyperemia and enlargement of the adrenals, atrophy of the thymus and lymph nodes as well as hemorrhagic gastric erosions/ulcers (the "stress triad")...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28626742/association-study-of-glutathione-s-transferases-gene-polymorphisms-gstm1-and-gstt1-with-ulcerative-colitis-and-crohn-s-disease-in-the-south-of-iran
#2
Maryam Moini, Mostafa Saadat, Hooshang Saadat, Atefeh Esmailnejad, Alireza Safarpour
BACKGROUND: Inflammatory bowel diseases (IBDs), including ulcerative colitis (UC) and Crohn's disease (CD), are chronic inflammatory disorders of the gastrointestinal tract. A combination of environmental factors and interactions with a genetic predisposition are suggested to play an important role in the etiology and pathogenesis of the IBD. Glutathione S-transferases (GSTs) are multifunctional enzymes involved in the cellular oxidative stress handling. Possible associations between GSTs gene polymorphisms and susceptibility to UC and CD have been reported in different population...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28622739/impact-of-a-collaborative-strategy-to-reduce-the-inappropriate-use-of-acid-suppressive-therapy-in-non-intensive-care-unit-patients
#3
Kristen D Belfield, Arpi G Kuyumjian, Rafael Teran, Mariette Amadi, Melissa Blatt, Keri Bicking
BACKGROUND: Stress ulcer prophylaxis (SUP) is inappropriately prescribed in more than 30% of non-intensive care unit (ICU) patients, leading to unnecessary adverse events as well as increases in economic burden. OBJECTIVE: There was an increasing trend in the prophylactic use of acid suppressive therapy (AST) in non-critically ill patients at our institution, which prompted this initiative aimed at reducing the inappropriate use of AST in non-ICU patients. METHODS: This was a retrospective interventional study that consisted of formulation of a guideline, education to the hospitalist service, and intervention by clinical pharmacists...
July 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28622218/stress-ulcer-prophylaxis-friend-or-foe
#4
Mette Krag, Morten Hylander Møller
No abstract text is available yet for this article.
July 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28620441/impaired-wound-healing-facts-and-hypotheses-for-multi-professional-considerations-in-predictive-preventive-and-personalised-medicine
#5
REVIEW
Eden Avishai, Kristina Yeghiazaryan, Olga Golubnitschaja
Whereas the physiologic wound healing (WH) successfully proceeds through the clearly defined sequence of the individual phases of wound healing, chronic non-healing wounds/ulcers fail to complete the individual stages and the entire healing process. There are many risk factors both modifiable (such as stress, smoking, inappropriate alcohol consumption, malnutrition, obesity, diabetes, cardio-vascular disease, etc.) and non-modifiable (such as genetic diseases and ageing) strongly contributing to the impaired WH...
March 2017: EPMA Journal
https://www.readbyqxmd.com/read/28616083/outer-membrane-phospholipase-a-s-roles-in-helicobacter-pylori-acid-adaptation
#6
Hilde S Vollan, Tone Tannæs, Dominique A Caugant, Gert Vriend, Geir Bukholm
BACKGROUND: The pH of the human gastric mucosa varies around 2.5 so that only bacteria with strong acidic stress tolerance can colonize it. The ulcer causing Helicobacter pylori thrives in the gastric mucosa. We analyse the roles of the key outer membrane protein OMPLA in its roles in acid tolerance. RESULTS: The homology model of Helicobacter pylori outer membrane phospholipase A (OMPLA) reveals a twelve stranded β-barrel with a pore that allows molecules to pass with a diameter up to 4 Å...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28608496/stress-ulcer-prophylaxis-in-the-intensive-care-unit-trial-detailed-statistical-analysis-plan
#7
M Krag, A Perner, J Wetterslev, T Lange, M P Wise, M Borthwick, S Bendel, P Pelosi, F Keus, A B Guttormsen, J C Schefold, T S Meyhoff, S Marker, M H Møller
BACKGROUND: In this statistical analysis plan, we aim to provide details of the pre-defined statistical analyses of the Stress Ulcer Prophylaxis in the Intensive Care Unit (SUP-ICU) trial. The aim of the SUP-ICU trial is to assess benefits and harms of stress ulcer prophylaxis with a proton pump inhibitor in adult patients in the intensive care unit (ICU). METHODS: The SUP-ICU trial is an investigator-initiated, international, multicentre, randomised, blinded, parallel-group trial of intravenously pantoprazole 40 mg once daily vs...
June 12, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28606546/advanced-multi-targeted-composite-biomaterial-dressing-for-pain-and-infection-control-in-chronic-leg-ulcers
#8
Ovidio Catanzano, Rachael Docking, Patricia Schofield, Joshua Boateng
This study aimed to develop advanced biomaterial polysaccharide based dressings to manage pain associated with infected chronic leg ulcers in older adults. Composite carrageenan (CARR) and hyaluronic acid (HA) dressings loaded with lidocaine (LID) and AgNPs were formulated as freeze-dried wafers and functionally characterized for porous microstructure (morphology), mechanical strength, moisture handling properties, swelling, adhesion and LID release. Antimicrobial activity of AgNPs was evaluated (turbidity assay) against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus whilst cell viability studies (MTT) was performed on normal adult human primary epidermal keratinocyte cells...
September 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28606470/mechanistic-evaluation-of-gastroprotective-effects-of-kangfuxin-on-ethanol-induced-gastric-ulcer-in-mice
#9
Yongmei Shen, Jia Sun, Chao Niu, Dongdong Yu, Zhiwei Chen, Weitao Cong, Funeng Geng
This study was designed to evaluate the gastroprotective effect of Kangfuxin (KFX), a Chinese patent medicine constituent isolated from American cockroach, on ethanol-induced gastric ulcer in mice and to elucidate the potential mechanisms of the effect involved. According to the results, mice treated with alcohol appeared obvious gastric mucosal injury, while treatment with Cimetidine (a positive control) and KFX significantly relieved the damage, along with decreased oxidative stress and apoptosis indexes...
June 9, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28595546/therapeutic-proteins-for-treatment-of-corneal-epithelial-defects
#10
Evgeni Yu Zernii, Viktoriia E Baksheeva, Elena V Yani, Pavel P Philippov, Ivan I Senin
Corneal epithelial disorders take pride of place in modern ophthalmology. Defects of corneal epithelium are commonly accompanied by blurry vision, photophobia and tearing. Since cornea is the most densely innervated tissue of organisms, its disruption leads to development of a severe pain syndrome. Mild corneal erosions commonly undergo quick spontaneous recovery. Suppression of corneal wound healing due to various pathological causes results in development of severe recurrent erosions and persistent corneal defects...
June 8, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28595382/anti-inflammatory-properties-of-bifidobacterium-longum-expressing-human-manganese-superoxide-dismutase-using-the-tnbs-induced-rats-model-of-colitis
#11
Yajie Xie, Qing Guo, Shiyu Li, Mengge Liu, Qian Zhang, Zhenrui Xu, Hanxiao Sun
The chronic enteritis disease ulcerative colitis (UC) is a formidable opponent, and its etiology remains unclear. Current studies have shown that oxidative stress is closely related to the pathogenesis of inflammatory bowel disease. Antioxidant enzymes, such as manganese superoxide dismutase (MnSOD),have been deemed to exert an anti-inflammatory function. Normally, oral administration of MnSOD directly leads to an incapacitation because of poor penetration and stability. To address this problem, the probiotic Bifidobacterium longum (B...
June 8, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28594959/reduced-total-serum-bilirubin-levels-are-associated-with-ulcerative-colitis
#12
Kathleen M Schieffer, Shannon M Bruffy, Richard Rauscher, Walter A Koltun, Gregory S Yochum, Carla J Gallagher
Chronic inflammation associated with inflammatory bowel disease (IBD) results in increased oxidative stress that damages the colonic microenvironment. Low levels of serum bilirubin, an endogenous antioxidant, have been associated with increased risk for Crohn's disease (CD). Therefore, the aim of this study was to examine whether total serum bilirubin levels are associated with ulcerative colitis (UC). We identified a retrospective case-control population (n = 6,649) from a single tertiary care center, Penn State Hershey Medical Center (PSU) and a validation cohort (n = 1,996) from Virginia Commonwealth University Medical Center (VCU)...
2017: PloS One
https://www.readbyqxmd.com/read/28592829/speckle-tracking-stress-echocardiography-uncovers-early-subclinical-cardiac-involvement-in-pediatric-patients-with-inflammatory-bowel-diseases
#13
Kai O Hensel, Francisca E Abellan Schneyder, Lucia Wilke, Andreas Heusch, Stefan Wirth, Andreas C Jenke
Inflammatory bowel disease (IBD) is an established risk factor for cardiovascular disease (CVD). However, whether cardiac consequences present early in IBD is unknown. This is the first study in children aiming to unmask altered myocardial mechanics in IBD. We enrolled 50 consecutive normotensive children with Crohn's disease (CD) (n = 28) or ulcerative colitis (UC) (n = 22). The study groups consisted of 18 patients with active inflammatory disease (mean age 14.6 ± 2.5 years) and 32 children with IBD in remission (14...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28592228/anti-fibrogenic-effect-of-ppar-%C3%AE-agonists-in-human-intestinal-myofibroblasts
#14
Jun Bon Koo, Myeong-Ok Nam, Younshin Jung, Jongman Yoo, Duk Hwan Kim, Gwangil Kim, Sung Jae Shin, Kee Myung Lee, Ki Baik Hahm, Jong Woo Kim, Sung Pyo Hong, Kwang Jae Lee, Jun Hwan Yoo
BACKGROUND: Intestinal fibrosis is a serious complication of inflammatory bowel disease, including Crohn's disease and ulcerative colitis. There is no specific treatment for intestinal fibrosis. Studies have indicated that peroxisome proliferator-activated receptor- γ (PPAR-γ) agonists have anti-fibrogenic properties in organs besides the gut; however, their effects on human intestinal fibrosis are poorly understood. This study investigated the anti-fibrogenic properties and mechanisms of PPAR-γ agonists on human primary intestinal myofibroblasts (HIFs)...
June 7, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28577436/anti-inflammatory-effects-of-ursolic-acid-3-acetate-on-human-synovial-fibroblasts-and-a-murine-model-of-rheumatoid-arthritis
#15
Jong Yeong Lee, Jin Kyeong Choi, Na-Hee Jeong, Jeongsoo Yoo, Yeong Su Ha, Byungheon Lee, Hyukjae Choi, Pil-Hoon Park, Tae-Yong Shin, Taeg Kyu Kwon, Sang-Rae Lee, Soyoung Lee, Seung Woong Lee, Mun-Chual Rho, Sang-Hyun Kim
Ursolic acid (UA), a pentacyclic triterpenoid, is a common natural substance known to be effective in the treatment of inflammation, oxidative stress, and ulcers in arthritis. This study examined the effects of ursolic acid-3-acetate (UAA), a derivative of UA, on rheumatoid arthritis (RA) and verified the underlying mechanism of action by using a type-II collagen-induced arthritis (CIA) mice model and tumor necrosis factor (TNF)-α-stimulated RA synovial fibroblasts. The oral administration of UAA showed a decrease in clinical arthritis symptoms, paw thickness, histologic and radiologic changes, and serum IgG1 and IgG2a levels...
May 31, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28574381/-measurement-of-histones-and-circulating-extracellular-nucleic-acids-in-patients-with-complicated-forms-of-peptic-ulcer
#16
G Yerznkyan, B Kultanov, K Shakeev, Ye Tatina
We studied 135 people (24 people, apparently healthy, 39 uncomplicated peptic ulcer disease, 42 people with complex forms peptic ulcer, 30 and after the treatment of complicated forms of peptic ulcer disease, both sexes (18-45 y.). In all patients, the diagnosis was confirmed fibrogastroduodenoscopy (EGD). Determination of histones and acid soluble fraction (ASF), RNA, DNA, in blood was performed by the method of L. Markusheva. Studies have led to the conclusion that the change in the blood concentration of extracellular nucleic acids in patients with uncomplicated disease and complex shapes can be caused by oxidative stress products and can be a signal for elimination of nucleic acids from cells...
April 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28572098/prophylactic-acid-suppressive-therapy-in-hospitalized-adults-indications-benefits-and-infectious-complications
#17
Andrew C Faust, Kelly L Echevarria, Rebecca L Attridge, Lyndsay Sheperd, Marcos I Restrepo
Acid-suppressive therapy for prophylaxis of stress ulcer bleeding is commonly prescribed for hospitalized patients. Although its use in select, at-risk patients may reduce clinically significant gastrointestinal bleeding, the alteration in gastric pH and composition may place these patients at a higher risk of infection. Although any pharmacologic alteration of the gastric pH and composition is associated with an increased risk of infection, the risk appears to be highest with proton pump inhibitors, perhaps owing to the potency of this class of drugs in increasing the gastric pH...
June 2017: Critical Care Nurse
https://www.readbyqxmd.com/read/28565977/endovascular-treatment-of-blister-aneurysms
#18
Geoffrey W Peitz, Christopher A Sy, Ramesh Grandhi
Blister aneurysms are rare cerebrovascular lesions for which the treatment methods are reviewed here, with a focus on endovascular options. The reported pathogenesis of blister aneurysms varies, and hemodynamic stress, arterial dissection, and arteriosclerotic ulceration have all been described. There is consensus on the excessive fragility of blister aneurysms and their parent vessels, which makes clipping technically difficult. Open surgical treatment is associated with high rates of complications, morbidity, and mortality; endovascular treatment is a promising alternative...
June 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28562049/protective-effect-of-camellia-oil-camellia-oleifera-abel-against-ethanol-induced-acute-oxidative-injury-of-the-gastric-mucosa-in-mice
#19
Pang-Shuo Tu, Yu-Tang Tung, Wei-Ting Lee, Gow-Chin Yen
Camellia oil, a common edible oil in Taiwan and China, has health effects for the gastrointestinal tract in folk medicine, and it contains abundant unsaturated fatty acids and phytochemicals. However, the preventive effect of camellia oil on ethanol-induced gastric ulcers remains unclear. This study was aimed to evaluate the preventive effect of camellia oil on ethanol-induced gastric injury in vitro and in vivo as well as its mechanisms of action. In an in vitro study, our results showed that pretreatment of RGM-1 cells with camellia oil enhanced the migration ability as well as increased heat shock protein expression and reduced apoptotic protein expression...
June 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28554049/increased-susceptibility-of-idh2-deficient-mice-to-dextran-sodium-sulfate-induced-colitis
#20
Hanvit Cha, Seoyoon Lee, Sung Hwan Kim, Hyunjin Kim, Dong-Seok Lee, Hyun-Shik Lee, Jin Hyup Lee, Jeen-Woo Park
Inflammatory bowel disease (IBD) is a group of chronic, relapsing, immunological, inflammatory disorders of the gastrointestinal tract including ulcerative colitis (UC) and Crohn's disease (CD). It has been reported that UC, which is studied using a dextran sodium sulfate (DSS)-induced colitis model, is associated with the production of reactive oxygen species (ROS) and the apoptosis of intestine epithelial cells (IEC). Mitochondrial NADP(+)-dependent isocitrate dehydrogenase (IDH2) has been reported as an essential enzyme in the mitochondrial antioxidant system via generation of NADPH...
May 20, 2017: Redox Biology
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