BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Editorial
Consensus statement AIGO/SICCR: Diagnosis and treatment of chronic constipation and obstructed defecation (part I: Diagnosis) 
Antonio Bove, Filippo Pucciani, Massimo Bellini, Edda Battaglia, Renato Bocchini, Donato Francesco Altomare, Giuseppe Dodi, Guido Sciaudone, Ezio Falletto, Vittorio Piloni, Dario Gambaccini, Vincenzo Bove 
World J Gastroenterol 18(14):1555-1564. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1555
Topic Highlight
Adjuvant and neoadjuvant treatment in pancreatic cancer 
Marta Herreros-Villanueva, Elizabeth Hijona, Angel Cosme, Luis Bujanda 
World J Gastroenterol 18(14):1565-1572. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1565
Review
2011 update on esophageal achalasia 
Seng-Kee Chuah, Pin-I Hsu, Keng-Liang Wu, Deng-Chyang Wu, Wei-Chen Tai, Chi-Sin Changchien 
World J Gastroenterol 18(14):1573-1578. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1573
Original Article
Dual regulatory role for phosphatase and tensin homolog in specification of intestinal endocrine cell subtypes 
Sébastien AB Roy, Marie-Josée Langlois, Julie C Carrier, François Boudreau, Nathalie Rivard, Nathalie Perreault 
World J Gastroenterol 18(14):1579-1589. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1579
Overexpression of Dickkopf-3 induces apoptosis through mitochondrial pathway in human colon cancer 
Zi-Rong Yang, Wei-Guo Dong, Xiao-Fei Lei, Meng Liu, Qi-Sheng Liu 
World J Gastroenterol 18(14):1590-1601. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1590
Toxicarioside A inhibits SGC-7901 proliferation, migration and invasion via NF-κB/bFGF signaling 
Jun-Li Guo, Shao-Jiang Zheng, Yue-Nan Li, Wei Jie, Xin-Bao Hao, Tian-Fa Li, Li-Ping Xia, Wen-Li Mei, Feng-Ying Huang, Yue-Qiong Kong, Qi-Yi He, Kun Yang, Guang-Hong Tan, Hao-Fu Dai 
World J Gastroenterol 18(14):1602-1609. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1602
Brief Article
Medical treatment for sphincter of oddi dysfunction: Can it replace endoscopic sphincterotomy? 
Véronique Vitton, Salah Ezzedine, Jean-Michel Gonzalez, Mohamed Gasmi, Jean-Charles Grimaud, Marc Barthet 
World J Gastroenterol 18(14):1610-1615. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1610
Impact of comorbidities on the severity of chronic hepatitis B at presentation 
Evangelista Sagnelli, Tommaso Stroffolini, Alfonso Mele, Michele Imparato, Caterina Sagnelli, Nicola Coppola, Piero Luigi Almasio 
World J Gastroenterol 18(14):1616-1621. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1616
No evidence of circulating autoantibodies against osteoprotegerin in patients with celiac disease 
Tiziana Larussa, Evelina Suraci, Immacolata Nazionale, Isabella Leone, Tiziana Montalcini, Ludovico Abenavoli, Maria Imeneo, Arturo Pujia, Francesco Luzza 
World J Gastroenterol 18(14):1622-1627. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1622
Mucosa-associated bacteria in two middle-aged women diagnosed with collagenous colitis 
Rita J Gustafsson, Bodil Ohlsson, Cecilia Benoni, Bengt Jeppsson, Crister Olsson 
World J Gastroenterol 18(14):1628-1634. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1628
Randomized controlled trial of pancreatic stenting to prevent pancreatitis after endoscopic retrograde cholangiopancreatography 
Yoshiaki Kawaguchi, Masami Ogawa, Fumio Omata, Hiroyuki Ito, Tooru Shimosegawa, Tetsuya Mine 
World J Gastroenterol 18(14):1635-1641. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1635
Relationship between hepatitis C virus infection and type 2 diabetes mellitus: Meta-analysis 
Cho Naing, Joon Wah Mak, Syed Imran Ahmed, Mala Maung 
World J Gastroenterol 18(14):1642-1651. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1642
A population-based cohort study of symptomatic gallstone disease in diabetic patients 
Chi-Ming Liu, Chung-Te Hsu, Chung-Yi Li, Chu-Chieh Chen, Meng-Lun Liu, Jorn-Hon Liu 
World J Gastroenterol 18(14):1652-1659. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1652
Swab culture monitoring of automated endoscope reprocessors after high-level disinfection 
Lung-Sheng Lu, Keng-Liang Wu, Yi-Chun Chiu, Ming-Tzung Lin, Tsung-Hui Hu, King-Wah Chiu 
World J Gastroenterol 18(14):1660-1663. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1660
Prognostic significance of PTEN, Ki-67 and CD44s expression patterns in gastrointestinal stromal tumors 
Yu-Mei Liang, Xiang-Hong Li, Wen-Mei Li, You-Yong Lu 
World J Gastroenterol 18(14):1664-1671. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1664
Vitamin D receptor gene polymorphisms and colorectal cancer risk: A systematic meta-analysis 
Yong-Heng Bai, Hong Lu, Dan Hong, Cheng-Cheng Lin, Zhen Yu, Bi-Cheng Chen 
World J Gastroenterol 18(14):1672-1679. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1672
Heme oxygenase-1 prevents liver fibrosis in rats by regulating the expression of PPARγ and NF-κB 
Hui Yang, Long-Feng Zhao, Zhong-Fu Zhao, Yan Wang, Jing-Jing Zhao, Li Zhang 
World J Gastroenterol 18(14):1680-1688. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1680
Treatment of cholecystitis with Chinese herbal medicines: A systematic review of the literature 
Zhi-Yong Dong, Guan-Liang Wang, Xing Liu, Jia Liu, De-Zeng Zhu, Chang-Quan Ling 
World J Gastroenterol 18(14):1689-1694. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1689
Case Report
High resolution impedance manometric findings in dysphagia of Huntington’s disease 
Tae Hee Lee, Joon Seong Lee, Wan Jung Kim 
World J Gastroenterol 18(14):1695-1699. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1695
Letters To The Editor
Rifaximin for the prevention of spontaneous bacterial peritonitis 
Georgios N Kalambokis, Athanasia Mouzaki, Maria Rodi, Epameinondas V Tsianos 
World J Gastroenterol 18(14):1700-1702. Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1700