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Jung-Heun Ha, Caglar Doguer, James F Collins
Intestinal iron absorption is highly regulated since no mechanism for iron excretion exists. We previously demonstrated that expression of an intestinal copper transporter (Atp7a) increases in parallel with genes encoding iron transporters in the rat duodenal epithelium during iron deprivation (Am. J. Physiol.: Gastrointest. Liver Physiol., 2005, 288, G964-G971). This led us to postulate that Atp7a may influence intestinal iron flux. Therefore, to test the hypothesis that Atp7a is required for optimal iron transport, we silenced Atp7a in rat IEC-6 and human Caco-2 cells...
September 1, 2016: Metallomics: Integrated Biometal Science
Nikkie van der Wielen, Givan Paulus, Mark van Avesaat, Ad Masclee, Jocelijn Meijerink, Nicole Bouvy
BACKGROUND: Bariatric surgery is an effective intervention strategy in obesity, resulting in sustained weight loss and a reduction of comorbidities. Gastroplication, using the articulating circular endoscopic stapler, was recently introduced as a transoral bariatric technique. This procedure reduces gastric volume and induced 34.9 % of excess weight loss in the first year (Paulus et al. Gastrointest Endosc. 81(2):312-20, 3). The aim of the present study was to gain insight in the long-term effects and underlying mechanisms of gastroplication by investigating differences in the genome-wide gastric and duodenal transcriptome before and 1 year after intervention...
September 13, 2016: Obesity Surgery
Chana L Glasser, Joseph A Picoraro, Preti Jain, Sivan Kinberg, Evelyn Rustia, Kara Gross Margolis, Kwame Anyane-Yeboa, Alejandro D Iglesias, Nancy S Green
Severe congenital neutropenia type IV (SCN IV) is a syndrome of severe neutropenia, cardiac and urogenital defects, prominent superficial veins, facial dysmorphism, failure to thrive (FTT), and intermittent thrombocytopenia, caused by a glucose-6-phosphatase catalytic subunit 3 (G6PC3) gene mutation. SCN IV has been linked to glycogen storage disease type 1b as both disorders involve disruption of the glucose-6-phosphatase/glucose-6-phosphate transporter complex, leading to arrested neutrophil maturation. Emerging evidence suggests that neutrophil function plays an important role in intestinal integrity, evidenced by inflammatory bowel disease in certain neutropenic patients...
October 2016: Journal of Pediatric Hematology/oncology
Malte Sauer, Ralf Hildenbrand, Tsuneo Oyama, Bernd Sido, Naohisa Yahagi, Franz Ludwig Dumoulin
BACKGROUND AND STUDY AIMS: Colorectal endoscopic submucosal dissection (ESD) is an attractive method for en bloc resection of larger flat neoplastic lesions. Experience with this method is limited in the Western World. PATIENTS AND METHODS: A total of 182 consecutive flat or sessile colorectal lesions (cecum n = 43; right-sided colon n = 65; left-sided colon n = 11, rectum: n = 63) with a size > 20 mm (mean 41.0 ± 17.4 mm) were resected in 178 patients...
August 2016: Endoscopy International Open
Ishak A Isik, Leyla Iyilikçi, Yesim Ozturk, Esma Adiyaman
Medical records of the 575 children who underwent gastrointestinal endoscopy outside the operating room were investigated retrospectively. The most frequently used combinations were propofol-midazolam-fentanyl in 83.2% of the procedures and propofol-midazolam in 13.8% of the procedures. 24 (3.4%) of 703 procedures had complications due to sedation anesthesia; 11 had hypoxia and 8 had pain in the injection area. Sedation anesthesia practice provided by an anesthesiologist outside the operating room enables gastrointestional endoscopic procedures to be carried out more safely...
November 2015: Indian Pediatrics
Anoop Kumar, Waddah A Alrefai, Alip Borthakur, Pradeep K Dudeja
Butyrate, a key short-chain fatty acid metabolite of colonic luminal bacterial action on dietary fiber, serves as a primary fuel for the colonocytes, ameliorates mucosal inflammation, and stimulates NaCl absorption. Absorption of butyrate into the colonocytes is essential for these intracellular effects. Monocarboxylate transporter 1 (MCT1) plays a major role in colonic luminal butyrate absorption. Previous studies (Tan J, McKenzie C, Potamitis M, Thorburn AN, Mackay CR, Macia L. Adv Immunol 121: 91-119, 2014...
October 1, 2015: American Journal of Physiology. Gastrointestinal and Liver Physiology
Sumedha Gunewardena, Chad Walesky, Udayan Apte
Hepatocyte nuclear factor 4 alpha (HNF4α) is known as the master regulator of hepatic differentiation, which regulates over 60% of the hepatocyte specific genes. Recent studies including this (Walesky et al. Am J Physiol Gastrointest Liver Physiol. 304:G26-37, 2013) demonstrated that HNF4α also inhibits hepatocyte proliferation via repression of pro-mitogenic genes. In this study hepatocyte specific HNF4α knockout mice were generated using 2-3 month old HNF4α-floxed mice treated with Cre recombinase under Major Urinary Protein promoter delivered in AAV8 vector (MUP-iCre-AAV8)...
September 1, 2015: Genomics Data
Bhargava Mullapudi, Patrick J Hawkes, Asish Patel, Chandrakanth Are, Subhasis Misra
Borderline resectable pancreatic cancer (BRPC) is an evolving diagnostic entity that blurs the distinction between resectable and locally advanced pancreatic cancer (Varadhachary et al. Ann Surg Oncol 13:1035-1046, 2006). Until recently the management of this disease has been poorly defined; however, consensus guidelines have been developed regarding the proper management of this diagnostic entity. Recent studies have shown that if appropriately identified and treated, this subset of disease can have outcomes similar to pancreatic cancer that is defined as resectable (Laurence et al...
March 2015: Indian Journal of Surgical Oncology
C Jenssen, A P Barreiros, U Will, E Burmester, I Schmidtmann, A J Eckardt
PURPOSE: To examine practice patterns of endosonographers in diagnosing and managing gastrointestinal stromal tumors (GISTs) in Germany. MATERIALS AND METHODS: A modified published survey (Ha et al., Gastrointest Endosc 2009) was sent to endosonographic ultrasound (EUS) customers in Germany. The survey was also publicized on the homepage of an EUS interest group. To avoid duplicate opinions, participants were asked to return one survey per institution. RESULTS: 142 centers of roughly 850 German EUS centers responded...
October 2015: Ultraschall in der Medizin
Sukanya Suresh, Alexandra E Irvine
The NOTCH pathway is an evolutionarily conserved signalling network, which is fundamental in regulating developmental processes in invertebrates and vertebrates (Gazave et al. in BMC Evol Biol 9:249, 2009). It regulates self-renewal (Butler et al. in Cell Stem Cell 6:251-264, 2010), differentiation (Auderset et al. in Curr Top Microbiol Immunol 360:115-134, 2012), proliferation (VanDussen et al. in Development 139:488-497, 2012) and apoptosis (Cao et al. in APMIS 120:441-450, 2012) of diverse cell types at various stages of their development...
March 2015: Journal of Cell Communication and Signaling
Eiji Yokoyama, Naoshi Ando, Tomohiro Ohta, Akina Kanada, Yuh Shiwa, Taichiro Ishige, Koichi Murakami, Takashi Kikuchi, Satoshi Murakami
Salmonella enterica subsp. enterica serovar Infantis strains were isolated from broiler chickens from six farms in Japan and the pathogenicity associated with the recently reported 280kbp mega plasmid was examined by possession of the plasmid and histopathology of tissues from these chickens. S. Infantis strains were isolated from 10 of 24 chickens. Phylogenetic, network and Bayesian cluster analyses were used to determine whether these strains were in the previously defined Clusters 1-5. Phylogenetic analysis classified the strains isolated in this study in two groups (Groups A and B)...
February 25, 2015: Veterinary Microbiology
Lena B Palmer, Stephen A McClave, Matthew L Bechtold, Douglas L Nguyen, Robert G Martindale, David C Evans
Endoscopic insertion of enteral feeding tubes is a major advance in the delivery of nutrition therapy. Since the first report of percutaneous endoscopic gastrostomy (PEG) in 1980 (Gauderer et al. J Pediatr Surg. 15:872-5, 1980), insertion techniques and equipment have been refined and improved. Despite this progress, deep jejunal enteral access remains a difficult procedure, and many endoscopists do not have experience with the techniques of nasojejunal (NJ) placement, percutaneous endoscopic gastrojejunostomy (PEGJ), or direct percutaneous endoscopic jejunostomy (DPEJ) (Shike and Latkany, Gastrointest Endosc Clin N Am...
October 2014: Current Gastroenterology Reports
Steele Clarke Smith, Mark S Wagner
OBJECTIVES: Ethan B. Russo's paper of December 1, 2003 explored the concept of a clinical endocannabinoid deficiency (CECD) underlying the pathophysiology of migraine, fibromyalgia, irritable bowel syndrome and other functional conditions alleviated by clinical cannabis. METHODS: Available literature was reviewed, including searches via the National Library of medicine database and other sources. RESULTS: A review of the literature indicates that significant progress has been made since Dr...
2014: Neuro Endocrinology Letters
Yongjun Zheng, Minghong Gu, Dongping Shi, Mingli Li, Le Ye, Xiangrui Wang
Sacroiliac joint (SIJ) pain is a common symptom in ankylosing spondylitis (AS). Palisade sacroiliac joint radiofrequency neurotomy (PSRN) is a novel treatment for the SIJ pain. In the current clinical trial, we treated AS patients with significant SIJ pain using PSRN under computed tomography guidance and compared the results with the celecoxib treatment. The current study included 155 AS patients. Patients were randomly assigned to receive PSRN or celecoxib treatment (400 mg/day for 24 weeks). The primary endpoint was global pain intensity in visual analog scale, at week 12...
September 2014: Rheumatology International
Alan Hoi Lun Yau, George Ou, Cherry Galorport, Jack Amar, Brian Bressler, Fergal Donnellan, Hin Hin Ko, Eric Lam, Robert Allan Enns
BACKGROUND: Hemospray (Cook Medical, USA) has recently been approved in Canada for the management of nonvariceal upper gastrointestional bleeding (UGIB). OBJECTIVE: To review the authors' experience with the safety and efficacy of Hemospray for treating UGIB. METHODS: A retrospective chart review was performed on patients who required endoscopic evaluation for suspected UGIB and were treated with Hemospray. RESULTS: From February 2012 to July 2013, 19 patients (mean age 67...
February 2014: Canadian Journal of Gastroenterology & Hepatology
Hyun Jin Kim
No abstract text is available yet for this article.
January 2014: Journal of Neurogastroenterology and Motility
Christopher L Wallace, Georgios V Georgakis, David P Eisenberg, William P Macaulay, Ramon E Jimenez
BACKGROUND: We previously demonstrated that pancreatic transection with a reinforced staple line results in significantly lower fistula rates than when stapling without reinforcement. (J Gastrointest Surg. 2007;11:345-349). Criticism of this initial study focused on the small size of the treated group (N = 13). We report four more years of experience with this technique with a larger sample size. METHODS: This was a before-after trial. Patients included had distal pancreatectomies with stapled stump closure...
April 2013: Connecticut Medicine
William S Lagakos, Xudong Guan, Shiu-Ying Ho, Luciana Rodriguez Sawicki, Betina Corsico, Sarala Kodukula, Kaeko Murota, Ruth E Stark, Judith Storch
Liver fatty acid-binding protein (LFABP; FABP1) is expressed both in liver and intestinal mucosa. Mice null for LFABP were recently shown to have altered metabolism of not only fatty acids but also monoacylglycerol, the two major products of dietary triacylglycerol hydrolysis (Lagakos, W. S., Gajda, A. M., Agellon, L., Binas, B., Choi, V., Mandap, B., Russnak, T., Zhou, Y. X., and Storch, J. (2011) Am. J. Physiol. Gastrointest. Liver Physiol. 300, G803-G814). Nevertheless, the binding and transport of monoacylglycerol (MG) by LFABP are uncertain, with conflicting reports in the literature as to whether this single chain amphiphile is in fact bound by LFABP...
July 5, 2013: Journal of Biological Chemistry
Matthew W Davis, Suman Wason, Jennifer L Digiacinto
OBJECTIVE: Review the magnitude and clinical relevance of drug-drug interactions between a new formulation of colchicine, used to treat gout, and antibiotics. SETTING AND PRACTICE DESCRIPTION: Relevant to community and institutional pharmacists servicing patients with gout. PRACTICE INNOVATION: Pharmacists have clear roles for the identification of drug-drug interactions, providing recommendations for alternative therapy or dose adjustments/modifications, and monitoring for interactionrelated adverse events...
March 2013: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
Sarah E Coupland, Andrew Dodson, Hongxiang Liu, Ming-Qing Du, Martina Angi, Bertil E Damato
BACKGROUND: "Collision" tumours consist of different neoplasms coexisting within a single lesion. Whilst quite common in the skin, the gastrointestional tract, and the ovaries, intraocular collision tumours are exceedingly rare. We describe an exceptional case of a combined uveal melanoma and intraocular plasmacytoma. METHODS: Observational case report. A 61-year-old woman underwent enucleation for rubeotic glaucoma and cells in the anterior chamber after proton-beam radiotherapy of a cilio-choroidal melanoma of the right eye...
May 2013: Graefe's Archive for Clinical and Experimental Ophthalmology
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