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Open-Access Journal
Editorial
Pernicious anemia: New insights from a gastroenterological point of view 
Edith Lahner, Bruno Annibale 
World J Gastroenterol 15(41):5121-5128. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5121
Costimulatory molecule programmed death-1 in the cytotoxic response during chronic hepatitis C 
Juan Ramón Larrubia, Selma Benito-Martínez, Joaquín Miquel, Miryam Calvino, Eduardo Sanz-de-Villalobos, Trinidad Parra-Cid 
World J Gastroenterol 15(41):5129-5140. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5129
Review
Metabolic syndrome and risk of subsequent colorectal cancer 
Raluca Pais, Horatiu Silaghi, Alina Cristina Silaghi, Mihai Lucian Rusu, Dan Lucian Dumitrascu 
World J Gastroenterol 15(41):5141-5148. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5141
Original Article
EP4 agonist alleviates indomethacin-induced gastric lesions and promotes chronic gastric ulcer healing 
Guang-Liang Jiang, Wha Bin Im, Yariv Donde, Larry A Wheeler 
World J Gastroenterol 15(41):5149-5156. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5149
Voxel-based analyses of magnetization transfer imaging of the brain in hepatic encephalopathy 
Falk R Miese, Hans-Jörg Wittsack, Gerald Kircheis, Arne Holstein, Christian Mathys, Ulrich Mödder, Mathias Cohnen 
World J Gastroenterol 15(41):5157-5164. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5157
Direct hepatic differentiation of mouse embryonic stem cells induced by valproic acid and cytokines 
Xue-Jun Dong, Guo-Rong Zhang, Qing-Jun Zhou, Ruo-Lang Pan, Ye Chen, Li-Xin Xiang, Jian-Zhong Shao 
World J Gastroenterol 15(41):5165-5175. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5165
Brief Article
Modification of sleep architecture in an animal model of experimental cirrhosis 
Anabel Jiménez-Anguiano, Vanessa Díaz-Medina, Blanca Eugenia Farfán-Labonne, Gloria Giono-Chiang, David Kersenobich, Mario García-Lorenzana, Maria Concepción Gutiérrez-Ruiz, Javier Velázquez-Moctezuma 
World J Gastroenterol 15(41):5176-5180. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5176
Therapeutic effect of caffeic acid phenethyl ester on cerulein-induced acute pancreatitis 
Mehmet Buyukberber, M Cemil Savaş, Cahit Bagci, Mehmet Koruk, Murat T Gulsen, Ediz Tutar, Tugba Bilgic, Nurdan Ö Ceylan 
World J Gastroenterol 15(41):5181-5185. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5181
CO2 insufflation for potentially difficult colonoscopies: Efficacy when used by less experienced colonoscopists 
Toshio Uraoka, Jun Kato, Motoaki Kuriyama, Keisuke Hori, Shin Ishikawa, Keita Harada, Koji Takemoto, Sakiko Hiraoka, Hideyuki Fujita, Joichiro Horii, Yutaka Saito, Kazuhide Yamamoto 
World J Gastroenterol 15(41):5186-5192. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5186
Crosstalk between angiogenesis, cytokeratin-18, and insulin resistance in the progression of non-alcoholic steatohepatitis 
Mitsuteru Kitade, Hitoshi Yoshiji, Ryuichi Noguchi, Yasuhide Ikenaka, Kosuke Kaji, Yusaku Shirai, Masaharu Yamazaki, Masahito Uemura, Junichi Yamao, Masao Fujimoto, Akira Mitoro, Masahisa Toyohara, Masayoshi Sawai, Motoyuki Yoshida, Chie Morioka, Tatsuhiro Tsujimoto, Hideto Kawaratani, Hiroshi Fukui 
World J Gastroenterol 15(41):5193-5199. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5193
Antifibrotic effects of green tea on in vitro and in vivo models of liver fibrosis 
Hye Kyung Kim, Taik-Hoon Yang, Hong-Yon Cho 
World J Gastroenterol 15(41):5200-5205. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5200
Factors relating to the short term effectiveness of percutaneous biliary drainage for hilar cholangiocarcinoma 
Hong-Ming Tsai, Chiao-Hsiung Chuang, Xi-Zhang Lin, Chiung-Yu Chen 
World J Gastroenterol 15(41):5206-5210. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5206
Effect of electro-acupuncture on substance P, its receptor and corticotropin-releasing hormone in rats with irritable bowel syndrome 
Xiao-Peng Ma, Lin-Ying Tan, Yun Yang, Huan-Gan Wu, Bin Jiang, Hui-Rong Liu, Ling Yang 
World J Gastroenterol 15(41):5211-5217. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5211
Case Report
Biloma: An unusual complication in a patient with pancreatic cancer 
Palak Jitendrakumar Trivedi, Prakash Gupta, Jane Phillips-Hughes, Anthony Ellis 
World J Gastroenterol 15(41):5218-5220. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5218
Ectopic papilla of Vater in the pylorus 
Iván Guerra, Luis Ramón Rábago, Fernando Bermejo, Elvira Quintanilla, Silvia García-Garzón 
World J Gastroenterol 15(41):5221-5223. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5221
Gastrointestinal stromal tumor causing small bowel intussusception in a patient with Crohn’s disease 
George E Theodoropoulos, Dimitrios Linardoutsos, Dimitrios Tsamis, Paraskevas Stamopoulos, Dimitrios Giannopoulos, Flora Zagouri, Nikolaos V Michalopoulos 
World J Gastroenterol 15(41):5224-5227. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5224
A case of advanced intrahepatic cholangiocarcinoma successfully treated with chemosensitivity test-guided systemic chemotherapy 
Kazumichi Abe, Takeru Wakatsuki, Fumiko Katsushima, Kyoko Monoe, Yukiko Kanno, Atsushi Takahashi, Junko Yokokawa, Hiromasa Ohira 
World J Gastroenterol 15(41):5228-5231. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5228
Recurrent massive bleeding due to dissecting intramural hematoma of the esophagus: Treatment with therapeutic angiography 
Jaejun Shim, Jae Young Jang, Young Hwangbo, Seok Ho Dong, Joo Hyeong Oh, Hyo Jong Kim, Byung-Ho Kim, Young Woon Chang, Rin Chang 
World J Gastroenterol 15(41):5232-5235. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5232
Successful endoscopic removal of a giant upper esophageal inflammatory fibrous polyp 
Jie Zhang, Jian-Yu Hao, Simon Wing Heng Li, Shu-Tian Zhang 
World J Gastroenterol 15(41):5236-5238. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5236
Pedunculated hepatocellular carcinoma and splenic metastasis 
Mao-Lin Yan, Yao-Dong Wang, Zhi-De Lai, Yi-Feng Tian, Hong-Biao Chen, Fu-Nan Qiu, Song-Qiang Zhou 
World J Gastroenterol 15(41):5239-5241. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5239
Letters To The Editor
Vascular tumors and malformations of the colon 
Israel Fernandez-Pineda 
World J Gastroenterol 15(41):5242-5243. Published online Nov 7, 2009. doi: 10.3748/wjg.15.5242