abstract：BACKGROUND & AIMS:Some patients with irritable bowel syndrome with diarrhea (IBS-D) have intestinal hyperpermeability, which contributes to their diarrhea and abdominal pain. MicroRNA 29 (MIR29) regulates intestinal permeability in patients with IBS-D. We investigated and searched for targets of MIR29 and investigated ...

journal_title：Gastroenterology

authors： Zhou Q,Costinean S,Croce CM,Brasier AR,Merwat S,Larson SA,Basra S,Verne GN

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND & AIMS:Foxl1(+) hepatic progenitor cells (HPCs) differentiate into cholangiocytes and hepatocytes after liver injury. We investigated the requirement for Foxl1(+) HPCs in recovery from liver injury in mice. METHODS:We developed mice in which we could trace and delete Foxl1-expressing HPCs and their descenda...

journal_title：Gastroenterology

authors： Shin S,Upadhyay N,Greenbaum LE,Kaestner KH

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND & AIMS:Prucalopride is a selective, high-affinity agonist of the 5-hydroxytryptamine (serotonin) receptor 4 that enhances motility in the gastrointestinal tract. We performed a multicenter, randomized, placebo-controlled, double-blind, phase 3 trial to evaluate the efficacy and safety of prucalopride in chil...

journal_title：Gastroenterology

authors： Mugie SM,Korczowski B,Bodi P,Green A,Kerstens R,Ausma J,Ruth M,Levine A,Benninga MA

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND & AIMS:Standardized instruments are needed to assess the activity of eosinophilic esophagitis (EoE) and to provide end points for clinical trials and observational studies. We aimed to develop and validate a patient-reported outcome (PRO) instrument and score, based on items that could account for variations...

journal_title：Gastroenterology

authors： Schoepfer AM,Straumann A,Panczak R,Coslovsky M,Kuehni CE,Maurer E,Haas NA,Romero Y,Hirano I,Alexander JA,Gonsalves N,Furuta GT,Dellon ES,Leung J,Collins MH,Bussmann C,Netzer P,Gupta SK,Aceves SS,Chehade M,Moawad F

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND & AIMS:Lynch syndrome, a nonpolyposis form of hereditary colorectal cancer, is caused by inherited defects in DNA mismatch repair (MMR) genes. Most patients carry a germline mutation in 1 allele of the MMR genes MSH2 or MLH1. With spontaneous loss of the wild-type allele, cells with defects in MMR exist amon...

journal_title：Gastroenterology

authors： Wojciechowicz K,Cantelli E,Van Gerwen B,Plug M,Van Der Wal A,Delzenne-Goette E,Song JY,De Vries S,Dekker M,Te Riele H

更新日期：2014-11-01 00:00:00

abstract：BACKGROUND & AIMS:The anti-cancer effects of vegetables and fruit have been investigated extensively, but the association between vegetable and fruit consumption and risk of hepatocellular carcinoma (HCC) has not been quantified. We performed a meta-analysis of observational studies to clarify the association. METHODS...

journal_title：Gastroenterology

authors： Yang Y,Zhang D,Feng N,Chen G,Liu J,Chen G,Zhu Y

更新日期：2014-11-01 00:00:00

abstract：BACKGROUND & AIMS:The Paris pediatric modification of the Montreal classification defines very early onset inflammatory bowel disease (VEO-IBD) as a form of IBD distinct from that of older children. We compared the incidence and outcomes of VEO-IBD with those of IBD in older children. METHODS:We performed a population...

journal_title：Gastroenterology

authors： Benchimol EI,Mack DR,Nguyen GC,Snapper SB,Li W,Mojaverian N,Quach P,Muise AM

更新日期：2014-10-01 00:00:00

abstract：BACKGROUND & AIMS:Aberrant activation of β-catenin and Yes-associated protein 1 (Yap1) signaling pathways have been associated with the development of multiple tumor types. Yap functions as a transcriptional coactivator by interacting with TEA domain DNA binding proteins. We investigated the interactions among these pa...

journal_title：Gastroenterology

authors： Tao J,Calvisi DF,Ranganathan S,Cigliano A,Zhou L,Singh S,Jiang L,Fan B,Terracciano L,Armeanu-Ebinger S,Ribback S,Dombrowski F,Evert M,Chen X,Monga SPS

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND & AIMS:Administration of secretin improves noninvasive imaging of the pancreatic duct with magnetic resonance cholangiopancreatography (MRCP). We performed a large prospective study to investigate whether synthetic human secretin (RG1068)-stimulated MRCP detects pancreatic duct abnormalities with higher leve...

journal_title：Gastroenterology

authors： Sherman S,Freeman ML,Tarnasky PR,Wilcox CM,Kulkarni A,Aisen AM,Jacoby D,Kozarek RA

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND & AIMS:Fully covered self-expanding metal stents (FCSEMS) are gaining acceptance for the treatment of benign biliary strictures. We performed a large prospective multinational study to study the ability to remove these stents after extended indwell and the frequency and durability of stricture resolution. M...

journal_title：Gastroenterology

authors： Devière J,Nageshwar Reddy D,Püspök A,Ponchon T,Bruno MJ,Bourke MJ,Neuhaus H,Roy A,González-Huix Lladó F,Barkun AN,Kortan PP,Navarrete C,Peetermans J,Blero D,Lakhtakia S,Dolak W,Lepilliez V,Poley JW,Tringali A,Costam

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND & AIMS:Guidelines recommend a 10-year interval between screening colonoscopies with negative results for average-risk individuals. However, many patients are examined at shorter intervals. We investigated outcomes of individuals with no polyps who had repeat colonoscopy in <10 years. METHODS:Data were colle...

journal_title：Gastroenterology

authors： Lieberman DA,Holub JL,Morris CD,Logan J,Williams JL,Carney P

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND & AIMS:Genetic and epigenetic alterations contribute to the pathogenesis of colorectal cancer (CRC). There is considerable molecular heterogeneity among colorectal tumors, which appears to arise as polyps progress to cancer. This heterogeneity results in different pathways to tumorigenesis. Although epigenet...

journal_title：Gastroenterology

authors： Luo Y,Wong CJ,Kaz AM,Dzieciatkowski S,Carter KT,Morris SM,Wang J,Willis JE,Makar KW,Ulrich CM,Lutterbaugh JD,Shrubsole MJ,Zheng W,Markowitz SD,Grady WM

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND & AIMS:SMAD4 frequently is lost from colorectal cancers (CRCs), which is associated with the development of metastases and a poor prognosis. SMAD4 loss is believed to alter transforming growth factor β signaling to promote tumor progression. However, SMAD4 is also a central component of the bone morphogeneti...

journal_title：Gastroenterology

authors： Voorneveld PW,Kodach LL,Jacobs RJ,Liv N,Zonnevylle AC,Hoogenboom JP,Biemond I,Verspaget HW,Hommes DW,de Rooij K,van Noesel CJ,Morreau H,van Wezel T,Offerhaus GJ,van den Brink GR,Peppelenbosch MP,Ten Dijke P,Hardwick JC

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND & AIMS:Proliferating cholangiocytes secrete and respond to neuroendocrine hormones, including secretin. We investigated whether secretin secreted by S cells and cholangiocytes stimulates biliary proliferation in mice. METHODS:Cholestasis was induced in secretin knockout (Sct(-/-)) and wild-type (control) mi...

journal_title：Gastroenterology

authors： Glaser S,Meng F,Han Y,Onori P,Chow BK,Francis H,Venter J,McDaniel K,Marzioni M,Invernizzi P,Ueno Y,Lai JM,Huang L,Standeford H,Alvaro D,Gaudio E,Franchitto A,Alpini G

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND & AIMS:Reduced generation of all-trans retinoic acid (RA) by CD103(+) intestinal dendritic cells (DCs) is linked to intestinal inflammation in mice. However, the role of RA in intestinal inflammation in humans is unclear. We investigated which antigen-presenting cells (APCs) produce RA in the human intestine...

journal_title：Gastroenterology

authors： Sanders TJ,McCarthy NE,Giles EM,Davidson KL,Haltalli ML,Hazell S,Lindsay JO,Stagg AJ

更新日期：2014-05-01 00:00:00

abstract：:The human gastrointestinal tract contains distinct microbial communities that differ in composition and function based on their location, as well as age, sex, race/ethnicity, and diet of their host. We describe the bacterial taxa present in different locations of the GI tract, and their specific metabolic features. Th...

journal_title：Gastroenterology

authors： Hollister EB,Gao C,Versalovic J

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND & AIMS:Major histocompatibility complex (MHC) class I-restricted CD8(+) T cells are required for clearance of hepatitis C virus (HCV) infection. MHC class I expression is up-regulated by type I and II interferons (IFNs). However, little is known about the effects of HCV infection on IFN-induced expression of...

journal_title：Gastroenterology

authors： Kang W,Sung PS,Park SH,Yoon S,Chang DY,Kim S,Han KH,Kim JK,Rehermann B,Chwae YJ,Shin EC

更新日期：2014-05-01 00:00:00

abstract：:Intestinal microbes regulate metabolic function and energy balance; an altered microbial ecology is believed to contribute to the development of several metabolic diseases. Relative species abundance and metabolic characteristics of the intestinal microbiota change substantially in those who are obese or have other me...

journal_title：Gastroenterology

authors： Nieuwdorp M,Gilijamse PW,Pai N,Kaplan LM

更新日期：2014-05-01 00:00:00

abstract：:Increased dietary ratios of ω6/ω3 polyunsaturated fatty acids have been implicated in the pathogenesis of Crohn's disease (CD), but epidemiologic data are limited. We investigated whether variants of genes that control polyunsaturated fatty acid metabolism (CYP4F3, FADS1, and FADS2), along with the dietary ratio of ω6...

journal_title：Gastroenterology

authors： Costea I,Mack DR,Lemaitre RN,Israel D,Marcil V,Ahmad A,Amre DK

更新日期：2014-04-01 00:00:00

abstract：BACKGROUND & AIMS:Biliary epithelial cells (BECs) are considered to be a source of regenerating hepatocytes when hepatocyte proliferation is compromised. However, there is still controversy about the extent to which BECs can contribute to the regenerating hepatocyte population, and thereby to liver recovery. To investi...

journal_title：Gastroenterology

authors： Choi TY,Ninov N,Stainier DY,Shin D

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND & AIMS:Barrett's esophagus-associated high-grade dysplasia is commonly treated by endoscopy. However, most guidelines offer no recommendations for endoscopic treatment of mucosal adenocarcinoma of the esophagus (mAC). We investigated the efficacy and safety of endoscopic resection in a large series of patien...

journal_title：Gastroenterology

authors： Pech O,May A,Manner H,Behrens A,Pohl J,Weferling M,Hartmann U,Manner N,Huijsmans J,Gossner L,Rabenstein T,Vieth M,Stolte M,Ell C

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND & AIMS:Postprandial glycemia excursions increase after gastric bypass surgery; this effect is even greater among patients with recurrent hypoglycemia. These patients also have increased postprandial levels of insulin and glucagon-like peptide 1 (GLP-1). We performed a clinical trial to determine the role of ...

journal_title：Gastroenterology

authors： Salehi M,Gastaldelli A,D'Alessio DA

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND & AIMS:There have been few studies of the role of de novo lipogenesis in the development of nonalcoholic fatty liver disease (NAFLD). We used isotope analyses to compare de novo lipogenesis and fatty acid flux between subjects with NAFLD and those without, matched for metabolic factors (controls). METHODS:W...

journal_title：Gastroenterology

authors： Lambert JE,Ramos-Roman MA,Browning JD,Parks EJ

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND & AIMS:Guidelines for the management of venous thromboembolism (VTE) from the American College of Chest Physicians do not address patients with inflammatory bowel disease (IBD), a group with a high risk of both VTE and gastrointestinal bleeding. We present recommendations for the prevention and treatment of ...

journal_title：Gastroenterology

authors： Nguyen GC,Bernstein CN,Bitton A,Chan AK,Griffiths AM,Leontiadis GI,Geerts W,Bressler B,Butzner JD,Carrier M,Chande N,Marshall JK,Williams C,Kearon C

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND & AIMS:In the enteric nervous system, neurotransmitters initiate changes in calcium (Ca(2+) responses) in glia, but it is not clear how this process affects intestinal function. We investigated whether Ca(2+)-mediated responses in enteric glia are required to maintain gastrointestinal function. METHODS:We u...

journal_title：Gastroenterology

authors： McClain J,Grubišić V,Fried D,Gomez-Suarez RA,Leinninger GM,Sévigny J,Parpura V,Gulbransen BD

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND & AIMS:Simeprevir (TMC435) is an oral NS3/4 protease inhibitor in phase III trials for chronic hepatitis C virus (HCV) infection. We performed a phase IIb, randomized, double-blind, placebo-controlled trial to evaluate the efficacy and safety of the combination of simeprevir, peginterferon-α2a (PegIFN), and ...

journal_title：Gastroenterology

authors： Zeuzem S,Berg T,Gane E,Ferenci P,Foster GR,Fried MW,Hezode C,Hirschfield GM,Jacobson I,Nikitin I,Pockros PJ,Poordad F,Scott J,Lenz O,Peeters M,Sekar V,De Smedt G,Sinha R,Beumont-Mauviel M

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND & AIMS:A high-fat diet (HFD) can cause serious health problems, including alteration of gastrointestinal transit, the exact mechanism of which is not clear. Several microRNAs (miRNAs) are involved in energy homeostasis, lipid metabolism, and HFD-induced weight gain. We investigated the role of miRNAs in HFD-...

journal_title：Gastroenterology

authors： Nezami BG,Mwangi SM,Lee JE,Jeppsson S,Anitha M,Yarandi SS,Farris AB 3rd,Srinivasan S

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND & AIMS:Patients with colorectal tumors with microsatellite instability (MSI) have better prognoses than patients with tumors without MSI, but have a poor response to 5-fluorouracil–based chemotherapy. A dominant-negative form of heat shock protein (HSP)110 (HSP110DE9) expressed by cancer cells with MSI, via ...

journal_title：Gastroenterology

authors： Collura A,Lagrange A,Svrcek M,Marisa L,Buhard O,Guilloux A,Wanherdrick K,Dorard C,Taieb A,Saget A,Loh M,Soong R,Zeps N,Platell C,Mews A,Iacopetta B,De Thonel A,Seigneuric R,Marcion G,Chapusot C,Lepage C,Bouvier

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND & AIMS:Pancreatic mucinous cystic neoplasm (MCN), a cystic tumor of the pancreas that develops most frequently in women, is a potential precursor to pancreatic ductal adenocarcinoma. MCNs develop primarily in the body and tail of the pancreas and are characterized by the presence of a mucinous epithelium and...

journal_title：Gastroenterology

authors： Sano M,Driscoll DR,De Jesus-Monge WE,Klimstra DS,Lewis BC

更新日期：2014-01-01 00:00:00

abstract：:Gastroenterologists frequently encounter pelvic floor disorders, which affect 10% to 15% of the population. The anorectum is a complex organ that collaborates with the pelvic floor muscles to preserve fecal continence and enable defecation. A careful clinical assessment is critical for the diagnosis and management of ...

journal_title：Gastroenterology

authors： Bharucha AE,Rao SS

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND & AIMS:Metaplasias often have characteristics of developmentally related tissues. Pancreatic metaplastic ducts are usually associated with pancreatitis and pancreatic ductal adenocarcinoma. The tuft cell is a chemosensory cell that responds to signals in the extracellular environment via effector molecules. ...

journal_title：Gastroenterology

authors： Delgiorno KE,Hall JC,Takeuchi KK,Pan FC,Halbrook CJ,Washington MK,Olive KP,Spence JR,Sipos B,Wright CV,Wells JM,Crawford HC

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND & AIMS:Although restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA) substantially reduces the risk of colorectal cancer in patients with inflammatory bowel disease (IBD), subsequent pouch neoplasia can develop. There are few data on the incidence of and risk factors for neoplasia, so there i...

journal_title：Gastroenterology

authors： Derikx LA,Kievit W,Drenth JP,de Jong DJ,Ponsioen CY,Oldenburg B,van der Meulen-de Jong AE,Dijkstra G,Grubben MJ,van Laarhoven CJ,Nagtegaal ID,Hoentjen F,Dutch Initiative on Crohn and Colitis.

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND & AIMS:Liver disease has been associated with cardiovascular disorders, but little is known about the relationship between serum levels of alanine aminotransferase (ALT) and markers of atherogenesis. We investigated the relationship between low-normal and high-normal levels of ALT and an extended panel of ca...

journal_title：Gastroenterology

authors： Siddiqui MS,Sterling RK,Luketic VA,Puri P,Stravitz RT,Bouneva I,Boyett S,Fuchs M,Sargeant C,Warnick GR,Grami S,Sanyal AJ

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND & AIMS:Linaclotide is a minimally absorbed agonist of guanylate cyclase-C (GUCY2C or GC-C) that reduces symptoms associated with irritable bowel syndrome with constipation (IBS-C). Little is known about the mechanism by which linaclotide reduces abdominal pain in patients with IBS-C. METHODS:We determined t...

journal_title：Gastroenterology

authors： Castro J,Harrington AM,Hughes PA,Martin CM,Ge P,Shea CM,Jin H,Jacobson S,Hannig G,Mann E,Cohen MB,MacDougall JE,Lavins BJ,Kurtz CB,Silos-Santiago I,Johnston JM,Currie MG,Blackshaw LA,Brierley SM

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND & AIMS:In the intestines, Toll-like receptor 2 (TLR2) mediates immune responses to pathogens and regulates epithelial barrier function; polymorphisms in TLR2 have been associated with inflammatory bowel disease phenotype. We assessed the effects of TLR2 signaling on the enteric nervous system (ENS) in mice. ...

journal_title：Gastroenterology

authors： Brun P,Giron MC,Qesari M,Porzionato A,Caputi V,Zoppellaro C,Banzato S,Grillo AR,Spagnol L,De Caro R,Pizzuti D,Barbieri V,Rosato A,Sturniolo GC,Martines D,Zaninotto G,Palù G,Castagliuolo I

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND & AIMS:Diets high in fructose have been proposed to contribute to nonalcoholic fatty liver disease. We compared the effects of high-fructose and matched glucose intake on hepatic triacylglycerol (TAG) concentration and other liver parameters. DESIGN:In a double-blind study, we randomly assigned 32 healthy b...

journal_title：Gastroenterology

authors： Johnston RD,Stephenson MC,Crossland H,Cordon SM,Palcidi E,Cox EF,Taylor MA,Aithal GP,Macdonald IA

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND & AIMS:Treatment of hepatitis C virus (HCV) infection with boceprevir, peginterferon, and ribavirin can lead to anemia, which has been managed by reducing ribavirin dose and/or erythropoietin therapy. We assessed the effects of these anemia management strategies on rates of sustained virologic response (SVR)...

journal_title：Gastroenterology

authors： Poordad F,Lawitz E,Reddy KR,Afdhal NH,Hézode C,Zeuzem S,Lee SS,Calleja JL,Brown RS Jr,Craxi A,Wedemeyer H,Nyberg L,Nelson DR,Rossaro L,Balart L,Morgan TR,Bacon BR,Flamm SL,Kowdley KV,Deng W,Koury KJ,Pedicone LD

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND & AIMS:Hypoxic inflammation (decreased oxygen tension at sites of inflammation) is a feature of inflammatory bowel disease (IBD). The hypoxia response is mediated by the transcription factors hypoxia-inducible factor (HIF) 1α and endothelial PAS domain protein 1 (EPAS1 or HIF2α), which are induced in intesti...

journal_title：Gastroenterology

authors： Xue X,Ramakrishnan S,Anderson E,Taylor M,Zimmermann EM,Spence JR,Huang S,Greenson JK,Shah YM

更新日期：2013-10-01 00:00:00

abstract：BACKGROUND & AIMS:Rotavirus infection is a leading cause of morbidity and mortality in children younger than 5 years of age. Current treatment options are limited. We assessed the efficacy of a llama-derived, heavy-chain antibody fragment called anti-rotavirus protein (ARP1), in modifying the severity and duration of d...

journal_title：Gastroenterology

authors： Sarker SA,Jäkel M,Sultana S,Alam NH,Bardhan PK,Chisti MJ,Salam MA,Theis W,Hammarström L,Frenken LG

更新日期：2013-10-01 00:00:00

abstract：BACKGROUND & AIMS:Host cell lipid rafts form a scaffold required for replication of hepatitis C virus (HCV). Serine palmitoyltransferases (SPTs) produce sphingolipids, which are essential components of the lipid rafts that associate with HCV nonstructural proteins. Prevention of the de novo synthesis of sphingolipids b...

journal_title：Gastroenterology

authors： Katsume A,Tokunaga Y,Hirata Y,Munakata T,Saito M,Hayashi H,Okamoto K,Ohmori Y,Kusanagi I,Fujiwara S,Tsukuda T,Aoki Y,Klumpp K,Tsukiyama-Kohara K,El-Gohary A,Sudoh M,Kohara M

更新日期：2013-10-01 00:00:00