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Open-Access Journal
Editorial
Noninvasive molecular analysis of Helicobacter pylori: Is it time for tailored first-line therapy? 
Enzo Ierardi, Floriana Giorgio, Andrea Iannone, Giuseppe Losurdo, Mariabeatrice Principi, Michele Barone, Antonio Pisani, Alfredo Di Leo 
World J Gastroenterol 23(14):2453-2458. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2453
Review
Pathogenesis and clinical spectrum of primary sclerosing cholangitis 
Neelam G Gidwaney, Swati Pawa, Kiron M Das 
World J Gastroenterol 23(14):2459-2469. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2459
Biliary tract cancer stem cells - translational options and challenges 
Christian Mayr, Matthias Ocker, Markus Ritter, Martin Pichler, Daniel Neureiter, Tobias Kiesslich 
World J Gastroenterol 23(14):2470-2482. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2470
Minireviews
Potential role of nutraceutical compounds in inflammatory bowel disease 
Tiziana Larussa, Maria Imeneo, Francesco Luzza 
World J Gastroenterol 23(14):2483-2492. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2483
Unusual gastric tumors and tumor-like lesions: Radiological with pathological correlation and literature review 
Yuan-Mao Lin, Nai-Chi Chiu, Anna Fen-Yao Li, Chien-An Liu, Yi-Hong Chou, Yi-You Chiou 
World J Gastroenterol 23(14):2493-2504. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2493
New progress in roles of nitric oxide during hepatic ischemia reperfusion injury 
Ya-Qi Zhang, Ning Ding, Yong-Fen Zeng, Yuan-Yuan Xiang, Mei-Wen Yang, Fen-Fang Hong, Shu-Long Yang 
World J Gastroenterol 23(14):2505-2510. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2505
Basic Study
Berberine displays antitumor activity in esophageal cancer cells in vitro 
Shu-Xian Jiang, Bo Qi, Wen-Jian Yao, Cheng-Wei Gu, Xiu-Feng Wei, Yi Zhao, Yu-Zhen Liu, Bao-Sheng Zhao 
World J Gastroenterol 23(14):2511-2518. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2511
Case Control Study
Clinical utility of the platelet-lymphocyte ratio as a predictor of postoperative complications after radical gastrectomy for clinical T2-4 gastric cancer 
Kenichi Inaoka, Mitsuro Kanda, Hiroaki Uda, Yuri Tanaka, Chie Tanaka, Daisuke Kobayashi, Hideki Takami, Naoki Iwata, Masamichi Hayashi, Yukiko Niwa, Suguru Yamada, Tsutomu Fujii, Hiroyuki Sugimoto, Kenta Murotani, Michitaka Fujiwara, Yasuhiro Kodera 
World J Gastroenterol 23(14):2519-2526. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2519
Colors of vegetables and fruits and the risks of colorectal cancer 
Jeeyoo Lee, Aesun Shin, Jae Hwan Oh, Jeongseon Kim 
World J Gastroenterol 23(14):2527-2538. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2527
Retrospective Cohort Study
Impact of vitamin D on the hospitalization rate of Crohn's disease patients seen at a tertiary care center 
Krishna V R Venkata, Sumant S Arora, Feng-Long Xie, Talha A Malik 
World J Gastroenterol 23(14):2539-2544. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2539
Barcelona clinic liver cancer nomogram and others staging/scoring systems in a French hepatocellular carcinoma cohort 
Xavier Adhoute, Guillaume Pénaranda, Jean Luc Raoul, Julien Edeline, Jean-Frédéric Blanc, Bernard Pol, Manuela Campanile, Hervé Perrier, Olivier Bayle, Olivier Monnet, Patrick Beaurain, Cyril Muller, Paul Castellani, Yves Patrice Le Treut, Jean Pierre Bronowicki, Marc Bourlière 
World J Gastroenterol 23(14):2545-2555. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2545
Retrospective Study
Laparoscopic approach to suspected T1 and T2 gallbladder carcinoma 
Yusuke Ome, Kazuki Hashida, Mitsuru Yokota, Yoshio Nagahisa, Michio Okabe, Kazuyuki Kawamoto 
World J Gastroenterol 23(14):2556-2565. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2556
Clinical characteristics of peptic ulcer perforation in Korea 
Young Joo Yang, Chang Seok Bang, Suk Pyo Shin, Tae Young Park, Ki Tae Suk, Gwang Ho Baik, Dong Joon Kim 
World J Gastroenterol 23(14):2566-2574. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2566
Effects of omeprazole in improving concurrent chemoradiotherapy efficacy in rectal cancer 
Jin-Liang Zhang, Min Liu, Qing Yang, Shi-Yong Lin, Hong-Bo Shan, Hui-Yun Wang, Guo-Liang Xu 
World J Gastroenterol 23(14):2575-2584. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2575
Clinical Trials Study
PIK3CA gene mutations in Northwest Chinese esophageal squamous cell carcinoma 
Shi-Yuan Liu, Wei Chen, Ehtesham Annait Chughtai, Zhe Qiao, Jian-Tao Jiang, Shao-Min Li, Wei Zhang, Jin Zhang 
World J Gastroenterol 23(14):2585-2591. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2585
Endothelial progenitor cells in peripheral blood may serve as a biological marker to predict severe acute pancreatitis 
Xiao-Qin Ha, Yue-Juan Song, Hong-Bin Zhao, Wei-Wei Ta, Hong-Wei Gao, Qiang-Sheng Feng, Ju-Zi Dong, Zhi-Yun Deng, Hong-Yan Fan, Jun-Hua Peng, Zhi-Hua Yang, Yong Zhao 
World J Gastroenterol 23(14):2592-2600. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2592
Comparative study of ROR2 and WNT5a expression in squamous/adenosquamous carcinoma and adenocarcinoma of the gallbladder 
Zheng-Chun Wu, Li Xiong, Ling-Xiang Wang, Xiong-Ying Miao, Zi-Ru Liu, Dai-Qiang Li, Qiong Zou, Kui-Jie Liu, Hua Zhao, Zhu-Lin Yang 
World J Gastroenterol 23(14):2601-2612. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2601
Observational Study
Serum omentin and vaspin levels in cirrhotic patients with and without portal vein thrombosis 
Michał Kukla, Marek Waluga, Michał Żorniak, Agnieszka Berdowska, Piotr Wosiewicz, Tomasz Sawczyn, Rafał J Bułdak, Marek Ochman, Katarzyna Ziora, Tadeusz Krzemiński, Marek Hartleb 
World J Gastroenterol 23(14):2613-2624. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2613
Upper gastrointestinal cancer burden in Hebei Province, China: A population-based study 
Dao-Juan Li, Di Liang, Guo-Hui Song, Yong-Wei Li, Deng-Gui Wen, Jing Jin, Yu-Tong He 
World J Gastroenterol 23(14):2625-2634. Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2625