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Open-Access Journal
Editorial
Genotype phenotype classification of hepatocellular adenoma 
Paulette Bioulac-Sage, Jean Frédéric Blanc, Sandra Rebouissou, Charles Balabaud, Jessica Zucman-Rossi 
World J Gastroenterol 13(19):2649-2654. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2649
Review
Pancreatits after endoscopic retrograde cholangio-pancreatography 
Ayman M Abdel Aziz, Glen A Lehman 
World J Gastroenterol 13(19):2655-2668. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2655
Topic Highlight
Gene expression arrays as a tool to unravel mechanisms of normal tissue radiation injury and prediction of response 
Jacqueline JCM Kruse, Fiona A Stewart 
World J Gastroenterol 13(19):2669-2674. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2669
Maintenance of radiation-induced intestinal fibrosis: Cellular and molecular features 
Valérie Haydont, Marie-Catherine Vozenin-Brotons 
World J Gastroenterol 13(19):2675-2683. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2675
Effects of radiation upon gastrointestinal motility 
Mary F Otterson 
World J Gastroenterol 13(19):2684-2692. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2684
Budd-Chiari syndrome: Etiology, pathogenesis and diagnosis 
Musa Aydinli, Yusuf Bayraktar 
World J Gastroenterol 13(19):2693-2696. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2693
Gastric Cancer
NAT2 polymorphism in Omani gastric cancer patients-risk predisposition and clinicopathological associations 
Mansour S Al-Moundhri, Mohamed Al-Kindi, Maryam Al-Nabhani, Bassim Al-Bahrani, Ikram A Burney, Ali Al-Madhani, Shyam S Ganguly, Misbah Tanira 
World J Gastroenterol 13(19):2697-2702. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2697
Basic Research
Can pigment gallstones be induced by biliary stricture and prevented by medicine in Guinea pigs? 
Zhi Xu, Xiao-Feng Ling, Wan-Hua Zhang, Xiao-Si Zhou 
World J Gastroenterol 13(19):2703-2706. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2703
Generation of human/rat xenograft animal model for the study of human donor stem cell behaviors in vivo 
Yan Sun, Dong Xiao, Xing-Hua Pan, Ruo-Shuang Zhang, Guang-Hui Cui, Xi-Gu Chen 
World J Gastroenterol 13(19):2707-2716. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2707
Rapid Communication
TTYH2, a human homologue of the Drosophila melanogaster gene tweety, is up-regulated in colon carcinoma and involved in cell proliferation and cell aggregation 
Yuji Toiyama, Akira Mizoguchi, Kazushi Kimura, Junichirou Hiro, Yasuhiro Inoue, Tomonari Tutumi, Chikao Miki, Masato Kusunoki 
World J Gastroenterol 13(19):2717-2721. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2717
Impact of hepatitis C virus infection on lifestyle 
Paola Scognamiglio, Vincenzo Galati, Assunta Navarra, Maria Antonella Longo, Maria Stella Aloisi, Maria Giulia Antonini, Massimo Puoti, Piero Luigi Almasio, Giuseppe Ippolito, Enrico Girardi 
World J Gastroenterol 13(19):2722-2726. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2722
Germline MLH1 and MSH2 mutational spectrum including frequent large genomic aberrations in Hungarian hereditary non-polyposis colorectal cancer families: Implications for genetic testing 
Janos Papp, Marietta E Kovacs, Edith Olah 
World J Gastroenterol 13(19):2727-2732. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2727
Comparison of early enteral nutrition in severe acute pancreatitis with prebiotic fiber supplementation versus standard enteral solution: A prospective randomized double-blind study 
Tarkan Karakan, Meltem Ergun, Ibrahim Dogan, Mehmet Cindoruk, Selahattin Unal 
World J Gastroenterol 13(19):2733-2737. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2733
Detection of hepatitis C virus core antigen for early diagnosis of hepatitis C virus infection in plasma donor in China 
He-Qiu Zhang, Shao-Bo Li, Guo-Hua Wang, Kun Chen, Xiao-Guo Song, Xiao-Yan Feng 
World J Gastroenterol 13(19):2738-2742. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2738
Effects of aqueous extracts of Aconitum carmichaeli, Rhizoma bolbostemmatis, Phytolacca acinosa, Panax notoginseng and Gekko swinhonis Gūenther on Bel-7402 cells 
Zhu-Chen Yan, Dan Chen, Xiong-Zhi Wu, Guang-Ru Xie, Yi Ba, Zhao Yan 
World J Gastroenterol 13(19):2743-2746. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2743
Complications of high intensity focused ultrasound in patients with recurrent and metastatic abdominal tumors 
Jian-Jun Li, Guo-Liang Xu, Mo-Fa Gu, Guang-Yu Luo, Zhang Rong, Pei-Hong Wu, Jian-Chuan Xia 
World J Gastroenterol 13(19):2747-2751. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2747
Inhibitory effects of grape procyanidins on free radical-induced cell damage in rat hepatocytes in vitro 
Jin-Yi Zhong, Hong-Qun Cong, Li-Hua Zhang 
World J Gastroenterol 13(19):2752-2755. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2752
Case Report
A rare cause of dysphagia: Herpes simplex esophagitis 
Bee Lee, Grant Caddy 
World J Gastroenterol 13(19):2756-2757. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2756
A patient with spinal metastasis from hepatocellular carcinoma discovered from neurological findings 
Katsuyoshi Tamaki, Ichiro Shimizu, Mari Urata, Nao Kohno, Hiroshi Fukuno, Susumu Ito, Nobuya Sano 
World J Gastroenterol 13(19):2758-2760. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2758
Ampullary somatostatinomas and jejunal gastrointestinal stromal tumor in a patient with Von Recklinghausen’s disease 
Rossella Bettini, Massimo Falconi, Stefano Crippa, Paola Capelli, Letizia Boninsegna, Paolo Pederzoli 
World J Gastroenterol 13(19):2761-2763. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2761
An overlap syndrome involving autoimmune hepatitis and systemic lupus erythematosus in childhood 
Yusuf Usta, Figen Gurakan, Zuhal Akcoren, Seza Ozen 
World J Gastroenterol 13(19):2764-2767. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2764
Letters To The Editor
Fecal tumor M2 pyruvate kinase is not a specific biomarker for colorectal cancer screening 
Yogesh M Shastri, Jürgen M Stein 
World J Gastroenterol 13(19):2768-2769. Published online May 21, 2007. doi: 10.3748/wjg.v13.i19.2768