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Topic Highlight
Novel methylxanthine derivative-mediated anti-inflammatory effects in inflammatory bowel disease 
In-Ah Lee, Alan Kamba, Daren Low, Emiko Mizoguchi 
World J Gastroenterol 20(5):1127-1138. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1127
When combination therapy isn’t working: Emerging therapies for the management of inflammatory bowel disease 
Suneeta Krishnareddy, Arun Swaminath 
World J Gastroenterol 20(5):1139-1146. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1139
Prevention of post-operative recurrence of Crohn’s disease 
Byron Philip Vaughn, Alan Colm Moss 
World J Gastroenterol 20(5):1147-1154. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1147
Role of capsule endoscopy in inflammatory bowel disease 
Uri Kopylov, Ernest G Seidman 
World J Gastroenterol 20(5):1155-1164. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1155
Intestinal barrier in inflammatory bowel disease 
Lena Antoni, Sabine Nuding, Jan Wehkamp, Eduard F Stange 
World J Gastroenterol 20(5):1165-1179. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1165
Magnetic resonance imaging in children and adolescents with chronic inflammatory bowel disease 
Hans-Joachim Mentzel, Steffen Reinsch, Monika Kurzai, Martin Stenzel 
World J Gastroenterol 20(5):1180-1191. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1180
Role of the gut microbiota in inflammatory bowel disease pathogenesis: What have we learnt in the past 10 years? 
Georgina L Hold, Megan Smith, Charlie Grange, Euan Robert Watt, Emad M El-Omar, Indrani Mukhopadhya 
World J Gastroenterol 20(5):1192-1210. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1192
Therapy with stem cells in inflammatory bowel disease 
María del Pilar Martínez-Montiel, Gonzalo Jesús Gómez-Gómez, Ana Isabel Flores 
World J Gastroenterol 20(5):1211-1227. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1211
Inflammatory bowel disease: An increased risk factor for neurologic complications 
Germán Morís 
World J Gastroenterol 20(5):1228-1237. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1228
Epidemiological studies of migration and environmental risk factors in the inflammatory bowel diseases 
Yanna Ko, Rhys Butcher, Rupert W Leong 
World J Gastroenterol 20(5):1238-1247. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1238
What is left when anti-tumour necrosis factor therapy in inflammatory bowel diseases fails? 
Ian C Lawrance 
World J Gastroenterol 20(5):1248-1258. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1248
Campylobacter concisus and inflammatory bowel disease 
Li Zhang, Hoyul Lee, Michael C Grimm, Stephen M Riordan, Andrew S Day, Daniel A Lemberg 
World J Gastroenterol 20(5):1259-1267. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1259
Review
Novel hepatocellular carcinoma molecules with prognostic and therapeutic potentials 
Bruna Scaggiante, Maryam Kazemi, Gabriele Pozzato, Barbara Dapas, Rosella Farra, Mario Grassi, Fabrizio Zanconati, Gabriele Grassi 
World J Gastroenterol 20(5):1268-1288. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1268
Original Article
Factors correlating with acoustic radiation force impulse elastography in chronic hepatitis C 
Toru Nishikawa, Senju Hashimoto, Naoto Kawabe, Masao Harata, Yoshifumi Nitta, Michihito Murao, Takuji Nakano, Yuko Mizuno, Hiroaki Shimazaki, Toshiki Kan, Kazunori Nakaoka, Yuka Takagawa, Masashi Ohki, Naohiro Ichino, Keisuke Osakabe, Kentaro Yoshioka 
World J Gastroenterol 20(5):1289-1297. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1289
Brief Article
Antinociceptive effects of novel melatonin receptor agonists in mouse models of abdominal pain 
Chunqiu Chen, Jakub Fichna, Moshe Laudon, Martin Storr 
World J Gastroenterol 20(5):1298-1304. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1298
Bax protein may influence the invasion of colorectal cancer 
Anna Pryczynicz, Mariusz Gryko, Katarzyna Niewiarowska, Dariusz Cepowicz, Marek Ustymowicz, Andrzej Kemona, Katarzyna Guzińska-Ustymowicz 
World J Gastroenterol 20(5):1305-1310. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1305
Reduced hemoglobin and increased C-reactive protein are associated with upper gastrointestinal bleeding 
Minoru Tomizawa, Fuminobu Shinozaki, Rumiko Hasegawa, Akira Togawa, Yoshinori Shirai, Noboru Ichiki, Yasufumi Motoyoshi, Takao Sugiyama, Shigenori Yamamoto, Makoto Sueishi 
World J Gastroenterol 20(5):1311-1317. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1311
Risk factors for proximal migration of biliary tube stents 
Yoshiaki Kawaguchi, Masami Ogawa, Yohei Kawashima, Hajime Mizukami, Atsuko Maruno, Hiroyuki Ito, Tetsuya Mine 
World J Gastroenterol 20(5):1318-1324. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1318
A new hemostatic clip for endoscopic surgery that can maintain blood flow after clipping 
Kyoung Won Nam, Sang Bong Lee, In Young Kim, Kwang Gi Kim, Sang Jae Park 
World J Gastroenterol 20(5):1325-1331. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1325
Evaluation of specific fecal protein biochips for the diagnosis of colorectal cancer 
Hui-Peng Wang, Yang-Yun Wang, Jie Pan, Rong Cen, Yuan-Kun Cai 
World J Gastroenterol 20(5):1332-1339. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1332
Endoscopic ultrasonography for staging of T1a and T1b esophageal squamous cell carcinoma 
Long-Jun He, Hong-Bo Shan, Guang-Yu Luo, Yin Li, Rong Zhang, Xiao-Yan Gao, Guo-Bao Wang, Shi-Yong Lin, Guo-Liang Xu, Jian-Jun Li 
World J Gastroenterol 20(5):1340-1347. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1340
Oleanolic acid and ursolic acid inhibit proliferation in transformed rat hepatic oval cells 
Yu-Ying Han, Xiao-Wei Xue, Zheng-Ming Shi, Peng-Yan Wang, Xin-Rui Wu, Xue-Jiang Wang 
World J Gastroenterol 20(5):1348-1356. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1348
Case Report
A trichobezoar in a child with undiagnosed celiac disease: A case report 
Iñaki Irastorza, Carlos Tutau, Juan Carlos Vitoria 
World J Gastroenterol 20(5):1357-1360. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1357
Nodular fasciitis in the mesentery, a differential diagnosis of peritoneal carcinomatosis 
Mai Shiga, Ken Okamoto, Manabu Matsumoto, Hiromichi Maeda, Ken Dabanaka, Tsutomu Namikawa, Sunao Uemura, Masaya Munekage, Michiya Kobayashi, Kazuhiro Hanazaki 
World J Gastroenterol 20(5):1361-1364. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1361
Epstein-Barr virus-associated lymphoepithelioma-like early gastric carcinomas and endoscopic submucosal dissection: Case series 
Ji Young Lee, Kyoung-Mee Kim, Byung-Hoon Min, Jun Haeng Lee, Poong-Lyul Rhee, Jae Jun Kim 
World J Gastroenterol 20(5):1365-1370. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1365
Bowel mesentery (meso-appendix) microcystic/reticular schwannoma: Case report and literature review 
Shao-Xian Tang, Yi-Hua Sun, Xian-Rong Zhou, Jian Wang 
World J Gastroenterol 20(5):1371-1376. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1371
Letters To The Editor
Pericyst: The outermost layer of hydatid cyst 
Samad EJ Golzari, Mohsen Sokouti 
World J Gastroenterol 20(5):1377-1378. Published online Feb 7, 2014. doi: 10.3748/wjg.v20.i5.1377