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Open-Access Journal
Editorial
Cellular and molecular basis of chronic constipation: Taking the functional/idiopathic label out 
Gabrio Bassotti, Vincenzo Villanacci, Dragos Creƫoiu, Sanda Maria Creƫoiu, Gabriel Becheanu 
World J Gastroenterol 19(26):4099-4105. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4099
Review
Systematic review of surgical resection vs radiofrequency ablation for hepatocellular carcinoma 
Alessandro Cucchetti, Fabio Piscaglia, Matteo Cescon, Giorgio Ercolani, Antonio Daniele Pinna 
World J Gastroenterol 19(26):4106-4118. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4106
Epithelial toll-like receptor 9 signaling in colorectal inflammation and cancer: Clinico-pathogenic aspects 
István Fűri, Ferenc Sipos, Tiana M Germann, Alexandra Kalmár, Zsolt Tulassay, Béla Molnár, Györgyi Műzes 
World J Gastroenterol 19(26):4119-4126. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4119
Original Article
Hugl-1 induces apoptosis in esophageal carcinoma cells both in vitro and in vivo 
Jia Song, Xiu-Lan Peng, Meng-Yao Ji, Ming-Hua Ai, Ji-Xiang Zhang, Wei-Guo Dong 
World J Gastroenterol 19(26):4127-4136. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4127
Effects of rhein on intestinal epithelial tight junction in IgA nephropathy 
Sheng-Nan Peng, Hui-Hong Zeng, Ai-Xiang Fu, Xiao-Wen Chen, Qing-Xian Zhu 
World J Gastroenterol 19(26):4137-4145. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4137
Restoring the Treg cell to Th17 cell ratio may alleviate HBV-related acute-on-chronic liver failure 
Ying-Hua Niu, Dong-Lin Yin, Hong-Li Liu, Rui-Tian Yi, Yu-Cong Yang, Hong-An Xue, Tian-Yan Chen, Shu-Lin Zhang, Shu-Mei Lin, Ying-Ren Zhao 
World J Gastroenterol 19(26):4146-4154. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4146
Reversal of multidrug resistance in gastric cancer cells by CDX2 downregulation 
Lin-Hai Yan, Xiao-Tong Wang, Jie Yang, Chao Lian, Fan-Biao Kong, Wei-Yuan Wei, Wen Luo, Qiang Xiao, Yu-Bo Xie 
World J Gastroenterol 19(26):4155-4165. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4155
Brief Article
Helicobacter pylori infection as a cause of iron deficiency anaemia of unknown origin 
Helena Monzón, Montserrat Forné, Maria Esteve, Mercé Rosinach, Carme Loras, Jorge C Espinós, Josep M Viver, Antonio Salas, Fernando Fernández-Bañares 
World J Gastroenterol 19(26):4166-4171. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4166
Single endoscopist-performed percutaneous endoscopic gastrostomy tube placement 
Askin Erdogan 
World J Gastroenterol 19(26):4172-4176. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4172
Comparison of double pants with single pants on satisfaction with colonoscopy 
Sook Hee Chung, Soo Jung Park, Jong Suk Hong, Jee Young Hwang, Sin Ae Lee, Kyung Ran Kim, Hye Sun Lee, Sung Pil Hong, Jae Hee Cheon, Tae Il Kim, Won Ho Kim 
World J Gastroenterol 19(26):4177-4184. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4177
Cap polyposis: A rare cause of rectal bleeding in children 
Jia Hui Li, May Ying Leong, Kong Boo Phua, Yee Low, Ajmal Kader, Veena Logarajah, Lin Yin Ong, Joyce HY Chua, Christina Ong 
World J Gastroenterol 19(26):4185-4191. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4185
Transcatheter arterial chemoembolization followed by immediate radiofrequency ablation for large solitary hepatocellular carcinomas 
Zhi-Jun Wang, Mao-Qiang Wang, Feng Duan, Peng Song, Feng-Yong Liu, Zhong-Fei Chang, Yan Wang, Jie-Yu Yan, Kai Li 
World J Gastroenterol 19(26):4192-4199. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4192
Metabonomic studies of pancreatic cancer response to radiotherapy in a mouse xenograft model using magnetic resonance spectroscopy and principal components analysis 
Xin-Hong He, Wen-Tao Li, Ya-Jia Gu, Bao-Feng Yang, Hui-Wen Deng, Yi-Hua Yu, Wei-Jun Peng 
World J Gastroenterol 19(26):4200-4208. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4200
Laparoendoscopic single-site cholecystectomy vs three-port laparoscopic cholecystectomy: A large-scale retrospective study 
Yuan Cheng, Ze-Sheng Jiang, Xiao-Ping Xu, Zhi Zhang, Ting-Cheng Xu, Chen-Jie Zhou, Jia-Sheng Qin, Guo-Lin He, Yi Gao, Ming-Xin Pan 
World J Gastroenterol 19(26):4209-4213. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4209
Effect of amitriptyline on gastrointestinal function and brain-gut peptides: A double-blind trial 
Wei Huang, Shu-Man Jiang, Lin Jia, Le-Qing You, Yao-Xing Huang, Yan-Mei Gong, Gui-Qin Wang 
World J Gastroenterol 19(26):4214-4220. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4214
Magnified and enhanced computed virtual chromoendoscopy in gastric neoplasia: A feasibility study 
Chang-Qing Li, Ya Li, Xiu-Li Zuo, Rui Ji, Zhen Li, Xiao-Meng Gu, Tao Yu, Qing-Qing Qi, Cheng-Jun Zhou, Yan-Qing Li 
World J Gastroenterol 19(26):4221-4227. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4221
Effects of propranolol or propranolol plus isosorbide-5-mononitrate on variceal pressure in schistosomiasis 
De-Run Kong, Chao Ma, Min Wang, Jing-Guang Wang, Chen Chen, Lei Zhang, Jia-Hu Hao, Pan Li, Jian-Ming Xu 
World J Gastroenterol 19(26):4228-4233. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4228
Meta-Analysis
Hepatitis B or C viral infection and risk of pancreatic cancer: A meta-analysis of observational studies 
Jian-Hua Xu, Jin-Jian Fu, Xiao-Li Wang, Jia-Yong Zhu, Xiao-Hua Ye, Si-Dong Chen 
World J Gastroenterol 19(26):4234-4241. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4234
Association of Helicobacter pylori babA2 with peptic ulcer disease and gastric cancer 
Mo-Ye Chen, Cai-Yun He, Xue Meng, Yuan Yuan 
World J Gastroenterol 19(26):4242-4251. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4242
Case Report
Microscopic colitis: Is it a spectrum of inflammatory bowel disease? 
Ramprasad Jegadeesan, Xiuli Liu, Mangesh R Pagadala, Norma Gutierrez, Mujtaba Butt, Udayakumar Navaneethan 
World J Gastroenterol 19(26):4252-4256. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4252
Alveolar echinococcosis-spreading disease challenging clinicians: A case report and literature review 
Georgi Atanasov, Christoph Benckert, Armin Thelen, Dennis Tappe, Matthias Frosch, Dieter Teichmann, Thomas FE Barth, Christian Wittekind, Stefan Schubert, Sven Jonas 
World J Gastroenterol 19(26):4257-4261. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4257
A white opaque substance-positive gastric hyperplastic polyp with dysplasia 
Hiroya Ueyama, Kenshi Matsumoto, Akihito Nagahara, Ryosuke Gushima, Takuo Hayashi, Takashi Yao, Sumio Watanabe 
World J Gastroenterol 19(26):4262-4266. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4262
Unexpected endoscopic full-thickness resection of a duodenal neuroendocrine tumor 
Ken Hatogai, Yasuhiro Oono, Kuang-I Fu, Tomoyuki Odagaki, Hiroaki Ikematsu, Takashi Kojima, Tomonori Yano, Kazuhiro Kaneko 
World J Gastroenterol 19(26):4267-4270. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4267