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December 2009 Vol. 137 , No. 6

Editor's Essential Reading Free

Clinical—Alimentary Tract

Delayed-Release Oral Mesalamine 4.8 g/day (800-mg Tablet) Is Effective for Patients With Moderately Active Ulcerative Colitis

William J. Sandborn, Jaroslaw Regula, Brian G. Feagan, Elena Belousova, Njegica Jojic, Milan Lukas, Bruce Yacyshyn, Piotr Krzeski, Chyon–Hwa Yeh, Christi A. Messer, Stephen B. Hanauer

It is not clear what induction dose of mesalamine is optimal for treating patients with mildly and moderately active ulcerative colitis (UC). This study was conducted to determine the efficacy and safety of mesalamine 4.8 g/day compared with 2.4 g/day for the treatment of moderately active UC.


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Gastroenterology, the official journal of the AGA Institute, is the number one journal in the field of gastrointestinal disease and ranks in the top one percent of all biomedical journals. More...

Issue Highlights

Clinical—Alimentary Tract

Psychometric Evaluation of Patient-Reported Outcomes in Irritable Bowel Syndrome Randomized Controlled Trials: A Rome Foundation Report

Brennan Spiegel, Michael Camilleri, Roger Bolus, Viola Andresen, William D. Chey, Sheri Fehnel, Allen Mangel, Nicholas J. Talley, William E. Whitehead

Clinical Advances in Liver, Pancreas, and Biliary Tract

Effect of HCV RNA Suppression During Peginterferon Alfa-2a Maintenance Therapy on Clinical Outcomes in the HALT-C Trial

Mitchell L. Shiffman, Chihiro Morishima, Jules L. Dienstag, Karen L. Lindsay, John C. Hoefs, William M. Lee, Elizabeth C. Wright, Deepa Naishadham, Gregory T. Everson, Anna S. Lok, Adrian M. Di Bisceglie, Herbert L. Bonkovsky, Marc G. Ghany, HALT-C Trial Group

Clinical—Liver, Pancreas, and Biliary Tract

Factors That Predict Response of Patients With Hepatitis B e Antigen–Positive Chronic Hepatitis B to Peginterferon-Alfa

Erik H.C.J. Buster, Bettina E. Hansen, George K.K. Lau, Teerha Piratvisuth, Stefan Zeuzem, Ewout W. Steyerberg, Harry L.A. Janssen

Basic—Alimentary Tract

Regulation of Colonic Epithelial Repair in Mice by Toll-Like Receptors and Hyaluronic Acid

Ling Zheng, Terrence E. Riehl, William F. Stenson

Protection of Epithelial Barrier Function by the Crohn's Disease Associated Gene Protein Tyrosine Phosphatase N2

Michael Scharl, Gisela Paul, Achim Weber, Barbara C. Jung, Michael J. Docherty, Martin Hausmann, Gerhard Rogler, Kim E. Barrett, Declan F. McCole

Expansion and Differentiation of Neural Progenitors Derived From the Human Adult Enteric Nervous System

Marco Metzger, Petra M. Bareiss, Timm Danker, Silvia Wagner, Joerg Hennenlotter, Elke Guenther, Florian Obermayr, Arnulf Stenzl, Alfred Koenigsrainer, Thomas Skutella, Lothar Just

Basic—Liver, Pancreas, and Biliary Tract

Myeloid STAT3 Inhibits T Cell-Mediated Hepatitis by Regulating T Helper 1 Cytokine and Interleukin-17 Production

Fouad Lafdil, Hua Wang, Ogyi Park, Weici Zhang, Yuki Moritoki, Shi Yin, Xin Yuan Fu, M. Eric Gershwin, Zhe–Xiong Lian, Bin Gao

Retinoic Acid Receptor Antagonists Inhibit miR-10a Expression and Block Metastatic Behavior of Pancreatic Cancer

Frank Ulrich Weiss, Ines J. Marques, Joost M. Woltering, Danielle H. Vlecken, Ali Aghdassi, Lars Ivo Partecke, Claus–Dieter Heidecke, Markus M. Lerch, Christoph P. Bagowski
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Food-Induced Severe Chest Pain and Hematemesis

Helen Carnaghan, Hugh Warren, Andrew Douds

Influence of Trough Serum Levels and Immunogenicity on Long-term Outcome of Adalimumab Therapy in Crohn's Disease

Konstantinos Karmiris, Gilles Paintaud, Maja Noman, Charlotte Magdelaine–Beuzelin, Marc Ferrante, Danielle Degenne, Karolien Claes, Tamara Coopman, Nele Van Schuerbeek, Gert Van Assche, Severine Vermeire, Paul Rutgeerts

Endoscopist-Directed Administration of Propofol: A Worldwide Safety Experience

Douglas K. Rex, Viju P. Deenadayalu, Emely Eid, Thomas F. Imperiale, John A. Walker, Kuldip Sandhu, Anthony C. Clarke, Lybus C. Hillman, Akira Horiuchi, Lawrence B. Cohen, Ludwig T. Heuss, Shajan Peter, Christoph Beglinger, James A. Sinnott, Thomas Welton, Magdy Rofail, Iyad Subei, Rodger Sleven, Paul Jordan, John Goff, Patrick D. Gerstenberger, Harold Munnings, Martin Tagle, Brian W. Sipe, Till Wehrmann, Jack A. Di Palma, Kaitlin E. Occhipinti, Egidio Barbi, Andrea Riphaus, Stephen T. Amann, Gen Tohda, Timothy McClellan, Charles Thueson, John Morse, Nizam Meah


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Gastroenterology in the News

Gastroenterology has been featured in The New York Times, The New York Times Well Blog, the Guardian, Reuters, and on NPR!

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Wanted: Editor-in-Chief for Gastroenterology

Applications due April 1, 2010. Term begins July 1, 2011. Read more.

New! Gastroenterology Supplemental Issue on Micronutrient Dosing

Read the November 2009 supplement to Gastroenterology, "Micronutrients in Parenteral Nutrition: Too Little or Too Much?". Based on proceedings from this year's annual American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.) Research Workshop, leading international experts present the latest information on correct dosages of parenteral vitamins and trace elements.

AGA Institute Course on Sedation

To learn more about the administration of sedation, attend the AGA Institute’s course, Sedation Competencies for the Endoscopy Team: A Hands-on Course for Gastroenterologists and Nurses on Jan. 17, 2010 in Las Vegas. View details at www.gilearn.org/sedationcourse.

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Review

Celiac Disease: From Pathogenesis to Novel Therapies

Detlef Schuppan, Yvonne Junker, Donatella Barisani

Celiac disease has become one of the best-understood HLA-linked disorders. Although it shares many immunologic features with inflammatory bowel disease, celiac disease is uniquely characterized by (1) a defined trigger (gluten proteins from wheat and related cereals), (2) the necessary presence of HLA-DQ2 or HLA-DQ8, and (3) the generation of circulating autoantibodies to the enzyme tissue transglutaminase (TG2).


Clinical Challenges and Images in GI

An Unusual Cause of Hematochezia

Seth R. Sweetser, Louis M. Wong Kee Song

A 79-year-old man awoke with abdominal pain and rectal bleeding. His past history was notable for a splenectomy 6 years prior for immune thrombocytopenic purpura. He denied the use of antiplatelet and nonsteroidal anti-inflammatory drugs.


Editorial

The Incretins and β-Cell Health: Contrasting Glucose-Dependent Insulinotropic Polypeptide and Glucagon-Like Peptide-1 as a Path to Understand Islet Function in Diabetes

Lene Jessen, David D'Alessio

The incretin effect, augmentation of glucose-stimulated insulin secretion by factors released from the gastrointestinal tract, is a phenomenon identified nearly 50 years ago that continues to resonate today. Study of the incretin effect has contributed to a wider appreciation that the gut regulates processes across the range of nutrient metabolism, from food intake to substrate disposition.