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https://www.readbyqxmd.com/read/28211185/a-comparison-of-goldmann-iii-v-and-spatially-equated-test-stimuli-in-visual-field-testing-the-importance-of-complete-and-partial-spatial-summation
#1
Jack Phu, Sieu K Khuu, Barbara Zangerl, Michael Kalloniatis
PURPOSE: Goldmann size V (GV) test stimuli are less variable with a greater dynamic range and have been proposed for measuring contrast sensitivity instead of size III (GIII). Since GIII and GV operate within partial summation, we hypothesise that actual GV (aGV) thresholds could predict GIII (pGIII) thresholds, facilitating comparisons between actual GIII (aGIII) thresholds with pGIII thresholds derived from smaller GV variances. We test the suitability of GV for detecting visual field (VF) loss in patients with early glaucoma, and examine eccentricity-dependent effects of number and depth of defects...
March 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28209600/cell-therapy-for-gi-motility-disorders-comparison-of-cell-sources-and-proposed-steps-for-treating-hirschsprung-disease
#2
Lincon A Stamp
Cell therapeutic approaches to treat a range of congenital and degenerative neuropathies are under intense investigation. There have been recent significant advancements in the development of cell therapy to treat disorders of the enteric nervous system, enteric neuropathies. These advances include the efficient generation of enteric neural progenitors from pluripotent stem cells and the rescue of a Hirschsprung Disease model mouse following their transplantation into the bowel. Further, a recent study provides evidence of functional innervation of the bowel muscle by neurons derived from transplanted ENS-derived neural progenitors...
February 16, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28207290/fatty-acid-and-mineral-receptors-as-drug-targets-for-gastrointestinal-disorders
#3
Pawin Pongkorpsakol, Aekkacha Moonwiriyakit, Chatchai Muanprasat
Nutrient-sensing receptors, including fatty acid receptors (FFA1-FFA4), Ca(2+)-sensing receptors and Zn(2+)-sensing receptors, are involved in several biological processes. These receptors are abundantly expressed in the GI tract, where they have been shown to play crucial roles in regulating GI function. This review provides an overview of the GI functions of fatty acid and mineral receptors, including the regulation of gastric and enteroendocrine functions, GI motility, ion transport and cell growth. Recently, several lines of evidence have implicated these receptors as promising therapeutic targets for the treatment of GI disorders, for example, inflammatory bowel disease, colorectal cancer, metabolic syndrome and diarrheal diseases...
February 16, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28206940/resection-of-gastrointestinal-metastases-in-stage-iv-melanoma-correlation-with-outcomes
#4
Sangeetha Prabhakaran, William J Fulp, Ricardo J Gonzalez, Vernon K Sondak, Ragini R Kudchadkar, Geoffrey T Gibney, Jeffrey S Weber, Jonathan S Zager
The prognosis of patients with gastrointestinal (GI) melanoma metastases is poor. Surgery renders select patients disease free and/or palliates symptoms. We reviewed our single-institution experience of resection with GI melanoma metastases. A retrospective review was performed on patients who underwent surgery for GI melanoma metastases from 2007 to 2013. Fifty-four patients were identified and separated based on completeness of resection into curative 13 (24%) and palliative 41 (75.9%) groups. Thiry-six (63...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28204816/antioxidant-and-cytoprotective-effects-of-morin-against-hydrogen-peroxide-induced-oxidative-stress-are-associated-with-the-induction-of-nrf-2%C3%A2-mediated-ho-1-expression-in-v79-4-chinese-hamster-lung-fibroblasts
#5
Moon Hee Lee, Hee-Jae Cha, Eun Ok Choi, Min Ho Han, Sung Ok Kim, Gi-Young Kim, Su Hyun Hong, Cheol Park, Sung-Kwon Moon, Soon-Jeong Jeong, Moon-Jin Jeong, Wun-Jae Kim, Yung Hyun Choi
Natural phytochemicals of plant origin, including flavonoids, have been found to be potent antioxidants providing beneficial effects against oxidative stress-related diseases. The present study was carried out to investigate the antioxidant properties of morin, a flavonoid originally isolated from the flowering plants of the Moraceae family. Superoxide dismutase (SOD)‑like activity and 2,2'‑azino‑bis‑(3‑ethylbenzothiazoline‑6‑sulfonic acid) (ABTS•+) radical scavenging activity were determined...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28203570/multifocal-gastric-ulcers-caused-by-diffuse-large-b-cell-lymphoma-in-a-patient-with-significant-weight-loss
#6
Mark A Gromski, Jennifer L Peng, Jiehao Zhou, Howard C Masuoka, Attaya Suvannasankha, Suthat Liangpunsakul
Primary gastrointestinal (GI) lymphoma is a heterogeneous disease with varied clinical presentations. The stomach is the most common GI site and accounts for 70% to 75% of GI lymphomas. We present a patient with gastric diffuse large B cell lymphoma (DLBCL) who presented with significant weight loss, early satiety, and multifocal ulcerated gastric lesions. Esophagoduodenoscopy should be performed in patients presenting with warning symptoms as in our case. Diagnosis is usually made by endoscopic biopsies. Multiple treatment modalities including surgery, radiotherapy, and chemotherapy have been used...
October 2016: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28197380/the-influence-of-gut-decontamination-prophylactic-antibiotics-on-acute-graft-versus-host-disease-and-survival-following-allogeneic-hematopoietic-stem-cell-transplantation
#7
Bertrand Routy, Caroline Letendre, David Enot, Maxime Chénard-Poirier, Vikram Mehraj, Noémie Charbonneau Séguin, Khaled Guenda, Kathia Gagnon, Paul-Louis Woerther, David Ghez, Silvy Lachance
The intestinal microbiota plays a key role in the pathogenesis of acute graft-versus-host disease (aGVHD). High-dose conditioning regimens given prior to allogeneic hematopoietic stem cell transplantation (aHSCT) modulate the composition of gut microbiota and damage the gut epithelial barrier, resulting in increased systemic inflammation. We assessed whether gut decontamination with antibiotics (ATB) prior to aHSCT influenced the frequency of aGVHD and mortality in 500 patients from two Canadian centers between 2005 and 2012...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28195032/ph-responsive-carriers-for-oral-drug-delivery-challenges-and-opportunities-of-current-platforms
#8
Lin Liu, WenDong Yao, YueFeng Rao, XiaoYang Lu, JianQing Gao
Oral administration is a desirable alternative of parenteral administration due to the convenience and increased compliance to patients, especially for chronic diseases that require frequent administration. The oral drug delivery is a dynamic research field despite the numerous challenges limiting their effective delivery, such as enzyme degradation, hydrolysis and low permeability of intestinal epithelium in the gastrointestinal (GI) tract. pH-Responsive carriers offer excellent potential as oral therapeutic systems due to enhancing the stability of drug delivery in stomach and achieving controlled release in intestines...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28194526/long-term-outcomes-after-treatment-for-t1-colorectal-carcinoma-a-multicenter-retrospective-cohort-study-of-hiroshima-gi-endoscopy-research-group
#9
Yuzuru Tamaru, Shiro Oka, Shinji Tanaka, Shinji Nagata, Yuko Hiraga, Toshio Kuwai, Akira Furudoi, Tadamasa Tamura, Masaki Kunihiro, Hideharu Okanobu, Koichi Nakadoi, Hiroyuki Kanao, Makoto Higashiyama, Koji Arihiro, Kazuya Kuraoka, Fumio Shimamoto, Kazuaki Chayama
BACKGROUND: We aimed to clarify the long-term outcomes of patients with T1 colorectal carcinoma (CRC) after endoscopic resection (ER) and surgical resection. METHODS: We examined T1 CRC patients treated during 1992-2008 and who had ≥5 years of follow-up. Patients who did not meet the curative criteria after ER according to the Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines were defined as "non-endoscopically curable" and classified into three groups: ER alone (Group A: 121 patients), additional surgery after ER (Group B: 238 patients), and surgical resection alone (Group C: 342 patients)...
February 13, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28193398/incidence-of-invasive-salmonella-disease-in-sub-saharan-africa-a-multicentre-population-based-surveillance-study
#10
Florian Marks, Vera von Kalckreuth, Peter Aaby, Yaw Adu-Sarkodie, Muna Ahmed El Tayeb, Mohammad Ali, Abraham Aseffa, Stephen Baker, Holly M Biggs, Morten Bjerregaard-Andersen, Robert F Breiman, James I Campbell, Leonard Cosmas, John A Crump, Ligia Maria Cruz Espinoza, Jessica Fung Deerin, Denise Myriam Dekker, Barry S Fields, Nagla Gasmelseed, Julian T Hertz, Nguyen Van Minh Hoang, Justin Im, Anna Jaeger, Hyon Jin Jeon, Leon Parfait Kabore, Karen H Keddy, Frank Konings, Ralf Krumkamp, Benedikt Ley, Sandra Valborg Løfberg, Jürgen May, Christian G Meyer, Eric D Mintz, Joel M Montgomery, Aissatou Ahmet Niang, Chelsea Nichols, Beatrice Olack, Gi Deok Pak, Ursula Panzner, Jin Kyung Park, Se Eun Park, Henintsoa Rabezanahary, Raphaël Rakotozandrindrainy, Tiana Mirana Raminosoa, Tsiriniaina Jean Luco Razafindrabe, Emmanuel Sampo, Heidi Schütt-Gerowitt, Amy Gassama Sow, Nimako Sarpong, Hye Jin Seo, Arvinda Sooka, Abdramane Bassiahi Soura, Adama Tall, Mekonnen Teferi, Kamala Thriemer, Michelle R Warren, Biruk Yeshitela, John D Clemens, Thomas F Wierzba
BACKGROUND: Available incidence data for invasive salmonella disease in sub-Saharan Africa are scarce. Standardised, multicountry data are required to better understand the nature and burden of disease in Africa. We aimed to measure the adjusted incidence estimates of typhoid fever and invasive non-typhoidal salmonella (iNTS) disease in sub-Saharan Africa, and the antimicrobial susceptibility profiles of the causative agents. METHODS: We established a systematic, standardised surveillance of blood culture-based febrile illness in 13 African sentinel sites with previous reports of typhoid fever: Burkina Faso (two sites), Ethiopia, Ghana, Guinea-Bissau, Kenya, Madagascar (two sites), Senegal, South Africa, Sudan, and Tanzania (two sites)...
March 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28192120/osteopontin-attenuates-acute-gastrointestinal-graft-versus-host-disease-by-preventing-apoptosis-of-intestinal-epithelial-cells
#11
Kentaro Kawakami, Naoki Minami, Minoru Matsuura, Tomoya Iida, Takahiko Toyonaga, Kanna Nagaishi, Yoshiaki Arimura, Mineko Fujimiya, Toshimitsu Uede, Hiroshi Nakase
BACKGROUND AND AIMS: Acute graft-versus-host disease (GVHD) is a major complication after allogeneic hematopoietic stem cell transplantation, which often targets gastrointestinal (GI) tract. Osteopontin (OPN) plays an important physiological role in the efficient development of Th1 immune responses and cell survival by inhibiting apoptosis. The role of OPN in acute GI-GVHD is poorly understood. In the present study, we investigated the role of OPN in donor T cells in the pathogenicity of acute GI-GVHD...
February 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28191010/role-of-dietary-metabolites-in-regulating-the-host-immune-response-in-gastrointestinal-disease
#12
REVIEW
Mohamad El-Zaatari, John Y Kao
The host immune response to gastrointestinal (GI) infections, hypersensitivity reactions, or GI cancers comprises numerous pathways that elicit responses on different host cells. Some of these include (1) the stimulation of mast cells via their IgE receptor, (2) the production of antibodies leading to antibody-mediated cytotoxic T/natural killer cell killing, (3) the activation of the complement pathway, and (4) the activation of the adaptive immune response via antigen-presenting cell, T cell, and B cell interactions...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28187396/methyl-orvinol-dual-activity-opioid-receptor-ligand-inhibits-gastrointestinal-transit-and-alleviates-abdominal-pain-in-the-mouse-models-mimicking-diarrhea-predominant-irritable-bowel-syndrome
#13
Marta Zielińska, Agata Jarmuż, Andrzej Wasilewski, Gerta Cami-Kobeci, Stephen Husbands, Jakub Fichna
BACKGROUND: Diarrhea-predominant irritable bowel syndrome (IBS-D) is a functional disorder of the gastrointestinal (GI) tract. The major IBS-D symptoms include diarrhea, abdominal pain and discomfort. High density of opioid receptors (ORs) in the GI tract and their participation in the maintenance of GI homeostasis make ORs ligands an attractive option for developing new anti-IBS-D treatments. The aim of this study was to characterize the effect of methyl-orvinol on the GI motility and secretion and in mouse models mimicking symptoms of IBS-D...
December 5, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28186984/clinically-relevant-circulating-microrna-profiling-studies-in-pancreatic-cancer-using-meta-analysis
#14
Zenglin Pei, Song-Mei Liu, Jing-Tao Huang, Xuan Zhang, Dong Yan, Qianlin Xia, Chunxia Ji, Weiping Chen, Xiaoyan Zhang, Jianqing Xu, Jin Wang
BACKGROUND: Pancreatic cancer (PaCa) is the most lethal gastrointestinal (GI) tumor. Although many studies on differentially expressed miRNAs as candidate biomarkers of pancreatic cancer have been published, reliability of these findings generated from investigations performed in single laboratory settings remain unclear. RESULTS: There were 29 articles with a total of 2,225 patients and 1,618 controls included in this meta-analysis. The pooled sensitivity was 82% (95% CI, 79-85%); the specificity was 85% (95% CI, 79-89%); and area under the curve (AUC) was 0...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28185821/public-response-to-mers-cov-in-the-middle-east-iphone-survey-in-six-countries
#15
Amani S Alqahtani, Harunor Rashid, Mada H Basyouni, Tariq M Alhawassi, Nasser F BinDhim
Gulf Cooperation Council (GCC) countries bear the heaviest brunt of MERS-CoV. This study aims to compare public awareness and practice around MERS-CoV across GCC countries. A cross-sectional survey was conducted using the Gulf Indicators (GI) smartphone app among people in the six GCC countries, namely Saudi Arabia, Kuwait, the United Arab Emirates, Qatar, Bahrain, and Oman. A total of 1812 participants recruited. All were aware of MERS-CoV, yet the perception and practice around MERS-CoV varied widely between countries...
February 6, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28183250/the-role-of-target-therapy-in-the-treatment-of-gastrointestinal-non-colorectal-cancers-clinical-impact-and-cost-consideration
#16
Massimiliano Berretta, Raffaele Di Francia, Chiara De Diviitis, Guglielmo Nasti, Vincenzo Canzonieri, Michele Caraglia, Gaetano Facchini, Umberto Tirelli
Gastrointestinal (GI) tumors are a leading cause of cancer-related deaths in the world. In fact, gastric cancer (GC) is the third cause of cancer deaths, whereas aesophageal neoplasm is the eighth most common cancer worldwide and its incidence, especially adenocarcinoma type, is continuously increasing. Also Hepatocellular carcinoma, Cholangiocarcinoma and pancreatic cancer represent a very interesting model to multidisciplinary approach and recently new drugs are used in their treatment. Currently, new clinical trials are designed including classic chemotherapy in association with either small molecule inhibitors (i...
February 8, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28179225/influence-of-temperate-subtropical-and-tropical-fruit-consumption-on-risk-of-type-2-diabetes-in-an-asian-population
#17
Derrick Johnston Alperet, Lesley M Butler, Woon-Puay Koh, Jian-Min Yuan, Rob M van Dam
Background: Findings on the relation between fruit consumption and the risk of type 2 diabetes mellitus (T2DM) have been inconsistent.Objectives: We examined whether the consumption of total, temperate, subtropical, and tropical fruit is associated with T2DM risk and whether differences in the carbohydrate quality of fruit influence T2DM risk in Asians.Design: We included 45,411 participants in the Singapore Chinese Health Study who were 45-74 y old and had no diabetes, cancer, or cardiovascular disease at recruitment (1993-1998)...
February 8, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28179214/self-management-support-program-for-patients-with-cardiovascular-diseases-user-centered-development-of-the-tailored-web-based-program-vascular-view
#18
Saskia Puijk-Hekman, Betsie Gi van Gaal, Sebastian Jh Bredie, Maria Wg Nijhuis-van der Sanden, Sandra van Dulmen
BACKGROUND: In addition to medical intervention and counseling, patients with cardiovascular disease (CVD) need to manage their disease and its consequences by themselves in daily life. OBJECTIVE: The aim of this paper is to describe the development of "Vascular View," a comprehensive, multi-component, tailored, Web-based, self-management support program for patients with CVD, and how this program will be tested in an early randomized controlled trial (RCT). METHODS: The Vascular View program was systematically developed in collaboration with an expert group of 6 patients, and separately with a group of 6 health professionals (medical, nursing, and allied health care professionals), according to the following steps of the intervention mapping (IM) framework: (1) conducting a needs assessment; (2) creating matrices of change objectives; (3) selecting theory-based intervention methods and practical applications; (4) organizing methods and applications into an intervention program; (5) planning the adaption, implementation, and sustainability of the program, and (6) generating an evaluation plan...
February 8, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28178126/free-and-total-p-cresol-sulfate-levels-and-infectious-hospitalizations-in-hemodialysis-patients-in-choice-and-hemo
#19
Tanushree Banerjee, Timothy W Meyer, Tariq Shafi, Thomas H Hostetter, Michal Melamed, Yunnuo Zhu, Neil R Powe
The uremic syndrome is attributed to progressive retention of compounds that, under normal conditions, are excreted by the healthy kidneys. p-cresol sulfate (PCS), a prototype protein-bound uremic retention solute, has been shown to exert toxic effects in vitro. Recent studies have identified relations between increased levels of PCS and indoxyl sulfate (IS) and adverse clinical outcomes in hemodialysis patients. We explored the relationship between free and total PCS and IS with infection-related hospitalizations (IH) and septicemia in 2 cohorts, Choices for Healthy Outcomes in Caring for end-stage renal disease (ESRD) Study (CHOICE) and Hemodialysis Study (HEMO)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28176664/role-of-lactic-acid-probiotic-bacteria-in-ibd
#20
Ravichandra Vemuri, Rohit Gundamaraju, Rajaraman Eri
BACKGROUND: IBD is considered as one of the major public health concerns worldwide. The pathophysiology and gut microbial alteration during inflammatory bowel disease (IBD) are still not completely understood. Gut microbiota is implicated in most of the gastro-intestinal (GI) diseases including IBD. From the time of gut microbiota establishment and through aging, it undergoes a lot of changes in the composition. METHODS: In a healthy state, the composition of beneficial microbes in the gut is comparatively higher and due to factors such as malnutrition, use of antibiotics and any underlying diseases allow the colonization and invasion of pathogens...
February 6, 2017: Current Pharmaceutical Design
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