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Open-Access Journal
Editorial
New perspectives in occult hepatitis C virus infection 
Vicente Carreño, Javier Bartolomé, Inmaculada Castillo, Juan Antonio Quiroga 
World J Gastroenterol 18(23):2887-2894. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2887
Potential prospects of nanomedicine for targeted therapeutics in inflammatory bowel diseases 
Madharasi VA Pichai, Lynnette R Ferguson 
World J Gastroenterol 18(23):2895-2901. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2895
Topic Highlight
Spontaneous regression of pancreatic cancer: Real or a misdiagnosis? 
Marta Herreros-Villanueva, Elizabeth Hijona, Angel Cosme, Luis Bujanda 
World J Gastroenterol 18(23):2902-2908. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2902
Review
Animal models for the study of hepatitis C virus infection and replication 
Kristin L MacArthur, Catherine H Wu, George Y Wu 
World J Gastroenterol 18(23):2909-2913. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2909
Original Article
Proteome profiling of spinal cord and dorsal root ganglia in rats with trinitrobenzene sulfonic acid-induced colitis 
Xiao-Jun Zhang, Feung Ping Leung, Wendy WL Hsiao, Shun Tan, Shao Li, Hong-Xi Xu, Joseph JY Sung, Zhao-Xiang Bian 
World J Gastroenterol 18(23):2914-2928. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2914
Stem cell factor-mediated wild-type KIT receptor activation is critical for gastrointestinal stromal tumor cell growth 
Chen-Guang Bai, Xiao-Wei Hou, Feng Wang, Cen Qiu, Yan Zhu, Ling Huang, Jing Zhao, Jing-Jing Xu, Da-Lie Ma 
World J Gastroenterol 18(23):2929-2937. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2929
Hepatocellular carcinoma and macrophage interaction induced tumor immunosuppression via Treg requires TLR4 signaling 
Jing Yang, Jin-Xiang Zhang, Hui Wang, Guo-Liang Wang, Qing-Gang Hu, Qi-Chang Zheng 
World J Gastroenterol 18(23):2938-2947. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2938
Pyogenic liver abscesses associated with nonmetastatic colorectal cancers: An increasing problem in Eastern Asia 
Kai Qu, Chang Liu, Zhi-Xin Wang, Feng Tian, Ji-Chao Wei, Ming-Hui Tai, Lei Zhou, Fan-Di Meng, Rui-Tao Wang, Xin-Sen Xu 
World J Gastroenterol 18(23):2948-2955. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2948
Targeting X-linked inhibitor of apoptosis protein inhibits pancreatic cancer cell growth through p-Akt depletion 
Chun Jiang, Xiao-Ping Yi, Hong Shen, Yi-Xiong Li 
World J Gastroenterol 18(23):2956-2965. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2956
Brief Article
Impact of ribavirin dose on retreatment of chronic hepatitis C patients 
Christiane Stern, Michelle Martinot-Peignoux, Marie Pierre Ripault, Nathalie Boyer, Corinne Castelnau, Dominique Valla, Patrick Marcellin 
World J Gastroenterol 18(23):2966-2972. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2966
Investigation of compensatory postures with videofluoromanometry in dysphagia patients 
Antonio Solazzo, Luigi Monaco, Lucia Del Vecchio, Stefania Tamburrini, Francesca Iacobellis, Daniela Berritto, Nunzia Luisa Pizza, Alfonso Reginelli, Natale Di Martino, Roberto Grassi 
World J Gastroenterol 18(23):2973-2978. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2973
Diagnostic value for extrahepatic metastases of hepatocellular carcinoma in positron emission tomography/computed tomography scan 
Ji Eun Lee, Jae Young Jang, Soung Won Jeong, Sae Hwan Lee, Sang Gyune Kim, Sang-Woo Cha, Young Seok Kim, Young Deok Cho, Hong Soo Kim, Boo Sung Kim, So Young Jin, Deuk Lin Choi 
World J Gastroenterol 18(23):2979-2987. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2979
Noninvasive assessment of hepatic fibrosis in Egyptian patients with chronic hepatitis C virus infection 
Shawky Abdelhamid Fouad, Serag Esmat, Dalia Omran, Laila Rashid, Mohamed H Kobaisi 
World J Gastroenterol 18(23):2988-2994. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2988
Overexpression of metastasis-associated in colon cancer 1 predicts a poor outcome of hepatitis B virus-related hepatocellular carcinoma 
Jian-Hui Qu, Xiu-Juan Chang, Yin-Ying Lu, Wen-Lin Bai, Yan Chen, Lin Zhou, Zhen Zeng, Chun-Ping Wang, Lin-Jing An, Li-Yan Hao, Gui-Lin Xu, Xu-Dong Gao, Min Lou, Ji-Yun Lv, Yong-Ping Yang 
World J Gastroenterol 18(23):2995-3003. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2995
Investigation of the effect of military stress on the prevalence of functional bowel disorders 
Xian-Zhao Yu, Hai-Feng Liu, Zhen-Xue Sun 
World J Gastroenterol 18(23):3004-3007. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.3004
Ultrasound-guided microwave ablation for abdominal wall metastatic tumors: A preliminary study 
Cai Qi, Xiao-Ling Yu, Ping Liang, Zhi-Gang Cheng, Fang-Yi Liu, Zhi-Yu Han, Jie Yu 
World J Gastroenterol 18(23):3008-3014. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.3008
Analysis of risk factors for polypoid lesions of gallbladder among health examinees 
Hua-Li Yang, Lei Kong, Li-Li Hou, Hui-Fang Shen, Yu Wang, Xin-Gang Gu, Jian-Min Qin, Pei-Hao Yin, Qi Li 
World J Gastroenterol 18(23):3015-3019. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.3015
WWOX induces apoptosis and inhibits proliferation of human hepatoma cell line SMMC-7721 
Ben-Shun Hu, Jing-Wang Tan, Guo-Hua Zhu, Dan-Feng Wang, Xian Zhou, Zhi-Qiang Sun 
World J Gastroenterol 18(23):3020-3026. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.3020
Case Report
Surgical resection of a solitary para-aortic lymph node metastasis from hepatocellular carcinoma 
Junji Ueda, Hiroshi Yoshida, Yasuhiro Mamada, Nobuhiko Taniai, Sho Mineta, Masato Yoshioka, Youichi Kawano, Tetsuya Shimizu, Etsuko Hara, Chiaki Kawamoto, Keiko Kaneko, Eiji Uchida 
World J Gastroenterol 18(23):3027-3031. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.3027
Letters To The Editor
Effect of discounting on estimation of benefits determined by hepatitis C treatment 
Andrea Messori, Valeria Fadda, Dario Maratea, Sabrina Trippoli 
World J Gastroenterol 18(23):3032-3034. Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.3032