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Open-Access Journal
Editorial
P-glycoprotein multidrug transporter in inflammatory bowel diseases: More questions than answers 
Elke Cario 
World J Gastroenterol 23(9):1513-1520. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1513
Frontier
Host pathogen interactions in Helicobacter pylori related gastric cancer 
Magdalena Chmiela, Zuzanna Karwowska, Weronika Gonciarz, Bujana Allushi, Paweł Stączek 
World J Gastroenterol 23(9):1521-1540. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1521
Review
Pseudopolyps in inflammatory bowel diseases: Have we learned enough? 
Dimitrios S Politis, Konstantinos H Katsanos, Epameinondas V Tsianos, Dimitrios K Christodoulou 
World J Gastroenterol 23(9):1541-1551. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1541
Current knowledge on the laboratory diagnosis of Clostridium difficile infection 
Adrián Martínez-Meléndez, Adrián Camacho-Ortiz, Rayo Morfin-Otero, Héctor Jesús Maldonado-Garza, Licet Villarreal-Treviño, Elvira Garza-González 
World J Gastroenterol 23(9):1552-1567. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1552
Basic Study
hsa-mir-183 is frequently methylated and related to poor survival in human hepatocellular carcinoma 
Sumadi Lukman Anwar, Till Krech, Britta Hasemeier, Elisa Schipper, Nora Schweitzer, Arndt Vogel, Hans Kreipe, Reena Buurman, Britta Skawran, Ulrich Lehmann 
World J Gastroenterol 23(9):1568-1575. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1568
Porcine model characterizing various parameters assessing the outcome after acetaminophen intoxication induced acute liver failure 
Karolin Thiel, Wilfried Klingert, Kathrin Klingert, Matthias H Morgalla, Martin U Schuhmann, Pamela Leckie, Yalda Sharifi, Nathan A Davies, Rajiv Jalan, Andreas Peter, Christian Grasshoff, Alfred Königsrainer, Martin Schenk, Christian Thiel 
World J Gastroenterol 23(9):1576-1585. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1576
Proton pump inhibitor induced collagen expression in colonocytes is associated with collagenous colitis 
Shiori Mori, Yui Kadochi, Yi Luo, Rina Fujiwara-Tani, Yukiko Nishiguchi, Shingo Kishi, Kiyomu Fujii, Hitoshi Ohmori, Hiroki Kuniyasu 
World J Gastroenterol 23(9):1586-1593. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1586
miR-1181 inhibits invasion and proliferation via STAT3 in pancreatic cancer 
Jie Wang, Xing-Jun Guo, You-Ming Ding, Jian-Xin Jiang 
World J Gastroenterol 23(9):1594-1601. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1594
Case Control Study
Association between TLR7 copy number variations and hepatitis B virus infection outcome in Chinese 
Fang Li, Xu Li, Gui-Zhou Zou, Yu-Feng Gao, Jun Ye 
World J Gastroenterol 23(9):1602-1607. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1602
Retrospective Cohort Study
Mortality associated with gastrointestinal bleeding in children: A retrospective cohort study 
Thomas M Attard, Mikaela Miller, Chaitanya Pant, Ashwath Kumar, Mike Thomson 
World J Gastroenterol 23(9):1608-1617. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1608
Retrospective Study
Optimizing hepatitis C virus treatment through pharmacist interventions: Identification and management of drug-drug interactions 
Jacob A Langness, Matthew Nguyen, Amanda Wieland, Gregory T Everson, Jennifer J Kiser 
World J Gastroenterol 23(9):1618-1626. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1618
Efficacy and safety of limited endoscopic sphincterotomy before self-expandable metal stent insertion for malignant biliary obstruction 
Hyeong Seok Nam, Dae Hwan Kang, Hyung Wook Kim, Cheol Woong Choi, Su Bum Park, Su Jin Kim, Dae Gon Ryu 
World J Gastroenterol 23(9):1627-1636. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1627
Fibrin sealant for closure of mucosal penetration at the cardia during peroral endoscopic myotomy: A retrospective study at a single center 
Wen-Gang Zhang, En-Qiang Linghu, Hui-Kai Li 
World J Gastroenterol 23(9):1637-1644. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1637
Clinical Trials Study
Outcomes of gastrointestinal defect closure with an over-the-scope clip system in a multicenter experience: An analysis of a successful suction method 
Hideki Kobara, Hirohito Mori, Shintaro Fujihara, Noriko Nishiyama, Taiga Chiyo, Takayoshi Yamada, Masao Fujiwara, Keiichi Okano, Yasuyuki Suzuki, Masayuki Murota, Yoshitaka Ikeda, Makoto Oryu, Mohamed AboEllail, Tsutomu Masaki 
World J Gastroenterol 23(9):1645-1656. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1645
Observational Study
Usefulness of a novel slim type FlushKnife-BT over conventional FlushKnife-BT in esophageal endoscopic submucosal dissection 
Yoshiko Ohara, Takashi Toyonaga, Namiko Hoshi, Shinwa Tanaka, Shinichi Baba, Hiroshi Takihara, Fumiaki Kawara, Tsukasa Ishida, Yoshinori Morita, Eiji Umegaki, Takeshi Azuma 
World J Gastroenterol 23(9):1657-1665. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1657
Prospective Study
Spectral computed tomography in advanced gastric cancer: Can iodine concentration non-invasively assess angiogenesis? 
Xiao-Hua Chen, Ke Ren, Pan Liang, Ya-Ru Chai, Kui-Sheng Chen, Jian-Bo Gao 
World J Gastroenterol 23(9):1666-1675. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1666
Evidence-Based Medicine
Inflammatory bowel disease: An evaluation of health information on the internet 
Samy A Azer, Thekra I AlOlayan, Malak A AlGhamdi, Malak A AlSanea 
World J Gastroenterol 23(9):1676-1696. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1676
Systematic Reviews
Diabetes mellitus, insulin resistance and hepatitis C virus infection: A contemporary review 
Anne-Claire Desbois, Patrice Cacoub 
World J Gastroenterol 23(9):1697-1711. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1697
Presacral venous bleeding during mobilization in rectal cancer 
Jose Enrique Casal Núñez, Vincenzo Vigorita, Alejandro Ruano Poblador, Ana María Gay Fernández, Maria Ángeles Toscano Novella, Nieves Cáceres Alvarado, Lucinda Pérez Dominguez 
World J Gastroenterol 23(9):1712-1719. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1712
Case Report
Gastrointestinal stromal tumor of the stomach with axillary lymph node metastasis: A case report 
Naoki Kubo, Nobumichi Takeuchi 
World J Gastroenterol 23(9):1720-1724. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1720
Synchronous coexistence of liver metastases from cecal leiomyosarcoma and rectal adenocarcinoma: A case report 
Hideki Aoki, Takashi Arata, Masashi Utsumi, Yutaka Mushiake, Tomoyoshi Kunitomo, Isao Yasuhara, Fumitaka Taniguchi, Koh Katsuda, Kohji Tanakaya, Hitoshi Takeuchi, Rie Yamasaki 
World J Gastroenterol 23(9):1725-1734. Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1725