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Open-Access Journal
Review
On the cell biology of pit cells, the liver-specific NK cells 
Dian-Zhong Luo, David Vermijlen, Bülent Ahishali, Vasilis Triantis, Georgia Plakoutsi, Filip Braet, Karin Vanderkerken, Eddie Wisse 
World J Gastroenterol 6(1):1-11. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.1
Schistosomiasis: progress and problems 
George Y. Wu, Mohab H. Halim 
World J Gastroenterol 6(1):12-19. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.12
Helicobacter pylori infection 
Yvan Vandenplas 
World J Gastroenterol 6(1):20-31. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.20
Current concept of pathogenesis of severe acute pancreatitis 
Xie-Ning Wu 
World J Gastroenterol 6(1):32-36. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.32
Invited Commentary
Potential roles of tumor suppressor genes and microsatellite instability in hepatocellular carcinogenesis in southern African blacks 
Lewis R. Roberts, Nicholas F. LaRusso 
World J Gastroenterol 6(1):37-41. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.37
Endoscopic treatment of non-variceal gastrointestinal bleeding: hemoclips and other hemostatic techniques 
Rossana M. Moura, Jamie S. Barkin 
World J Gastroenterol 6(1):42-44. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.42
Original Articles
Post-gastrectomy patients need to be followed up for 20-30 years 
Frank I. Tovey, Michael Hobsley 
World J Gastroenterol 6(1):45-48. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.45
Elevated basal intestinal mucosal cytokine levels in asymptomatic first-degree relatives of patients with Crohn’s disease 
Anant VK Indaram, Santa Nandi, Sam Weissman, Sing Lam, Beverly Bailey, Meyer Blumstein, Ronald Greenberg, Simmy Bank 
World J Gastroenterol 6(1):49-52. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.49
Endoscopic hemoclip treatment for bleeding peptic ulcer 
Yung Chih Lai, Sien Sing Yang, Chi Hwa Wu, Tzen Kwan Chen 
World J Gastroenterol 6(1):53-56. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.53
Cloning and expression of MXR7 gene in human HCC tissue 
Xue-Ping Zhou, Hong-Yang Wang, Guang-Shun Yang, Zheng-Jun Chen, Bao-An Li, Meng-Chao Wu 
World J Gastroenterol 6(1):57-60. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.57
Recurrence or metastasis of HCC: predictors, early detection and experimental antiangiogenic therapy 
Yang-Fu Jiang, Zhi-Hua Yang, Jin-Qun Hu 
World J Gastroenterol 6(1):61-65. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.61
Expression of gap junction genes connexin 32, connexin 43 and their proteins in hepatocellular carcinoma and normal liver tissues 
Xiang-Dong Ma, Yan-Fang Sui, Wen-Liang Wang 
World J Gastroenterol 6(1):66-69. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.66
TT viral infection through blood transfusion: retrospective investigation on patients in a prospective study of post-transfusion hepatitis 
Sien Sing Yang, Chi Hwa Wu, Tzu Hsiu Chen, Yang Yang Huang, Ching Shan Huang 
World J Gastroenterol 6(1):70-73. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.70
Stereoselective propranolol metabolism in two drug induced rat hepatic microsomes 
Xin Li, Su Zeng 
World J Gastroenterol 6(1):74-78. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.74
Protective effect of early enteral feeding on postburn impairment of liver function and its mechanism in rats 
Li Zhu, Zhong-Cheng Yang, Ao Li, De-Chang Cheng 
World J Gastroenterol 6(1):79-83. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.79
Reduced gastric acid production in burn shock period and its significance in the prevention and treatment of acute gastric mucosal lesions 
Li Zhu, Zhong-Cheng Yang, Ao Li, De-Chang Cheng 
World J Gastroenterol 6(1):84-88. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.84
Tumor growth inhibition effect of hIL-6 on colon cancer cells transfected with the target gene by retroviral vector 
Bing Xiao, Bo Jing, Ya-Li Zhang, Dian-Yuan Zhou, Wan-Dai Zhang 
World J Gastroenterol 6(1):89-92. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.89
Effect of cholecystokinin and secretin on contractile activity of isolated gastric muscle strips in guinea pigs 
Wei Li, Tian-Zhen Zheng, Song-Yi Qu 
World J Gastroenterol 6(1):93-95. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.93
Immunocytochemical identification and localization of APUD cells in the gut of seven stomachless teleost fishes 
Qian-Sheng Pan, Zhi-Ping Fang, Ya-Xin Zhao 
World J Gastroenterol 6(1):96-101. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.96
Dynamic and ultrastructural study of sphincter of Oddi in early-stage cholelithiasis in rabbits with hypercholesterolemia 
Jing-Guo Wei, Yao-Cheng Wang, Fan Du, Hou-Jun Yu 
World J Gastroenterol 6(1):102-106. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.102
Relation between HLA-DQA1 genes and genetic susceptibility to duodenal ulcer in Wuhan Hans 
Yi-Ping Du, Chang-Sheng Deng, De-Yin Lu, Mei-Fang Huang, Shu-Fang Guo, Wei Hou 
World J Gastroenterol 6(1):107-110. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.107
Relationship of lmp2 and DR3 genes with susceptibility to type I diabetes mellitus in south China Han population 
He-Lin Ding, Hua Cheng, Zu-Zhi Fu, Qing-Li Deng, Li Yan, Tang Yan 
World J Gastroenterol 6(1):111-114. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.111
Experimental study of “Tong Xia” purgative method in ameliorating lung injury in acute necrotizing pancreatitis 
Qing Xia, Jun-Ming Jiang, Xu Gong, Guang-Yuan Chen, Lei Li, Zong-Wen Huang 
World J Gastroenterol 6(1):115-118. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.115
Brief Reports
Prevalence of primary Helicobacter pylori resistance to metronidazole and clarithromycin in Singapore 
Jie-Song Hua, Ho Bow, Peng-Yuan Zheng, Yeoh Khay-Guan 
World J Gastroenterol 6(1):119-121. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.119
Expression of the CagA gene of H. pylori and application of its product 
Feng-Chan Han, Xiao-Jun Yan, Cheng-Zhi Su 
World J Gastroenterol 6(1):122-124. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.122
Expression and clinical significance of CD44v in human gastric cancers 
Guo-Yu Chen, Dao-Rong Wang 
World J Gastroenterol 6(1):125-127. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.125
Study of primary leiomyosarcoma induced by MNNG in BALB/C nude mice 
Jian-Si Zhu, Qi Su, Jian-Guo Zhou, Ping-Lin Hu, Jin-Hua Xu 
World J Gastroenterol 6(1):128-130. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.128
Value of postoperative hepatic regional chemotherapy in prevention of recurrence after radical resection of primary liver cancer 
Zhi-Quan Wu, Jia Fan, Shuang-Jian Qiu, Jian Zhou, Zhao-You Tang 
World J Gastroenterol 6(1):131-133. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.131
Overexpression of P-glycoprotein in hepatocellular carcinoma and its clinical implication 
Xian-Bing Kong, Zu-Kui Yang, Li-Jian Liang, Jie-Fu Huang, Han-Liang Lin 
World J Gastroenterol 6(1):134-135. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.134
Localization of HCV RNA and capsid protein in human hepatocellular carcinoma 
Yi-Min Dai, Zhi-Ping Shou, Can-Rong Ni, Neng-Jin Wang, Song-Ping Zhang 
World J Gastroenterol 6(1):136-137. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.136
Expression of IGF-II, p53, p21 and HBxAg in precancerous events of hepatocarcinogenesis induced by AFB1 and/or HBV in tree shrews 
Liu-Liang Qin, Jian-Jia Su, Yuan Li, Chun Yang, Ke-Chen Ban, Rue-Qi Yian 
World J Gastroenterol 6(1):138-139. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.138
Antitumoral activity of low density lipoprotein-aclacinomycin complex in mice bearing H22 tumor 
Wen-Xiang Bi, Song-De Xu, Pei-Hai Zhang, Feng Kong 
World J Gastroenterol 6(1):140-142. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.140
Effects of somatostatin on splanchnic hemodynamics in cirrhotic patients with portal hypertension 
Ji-Ye Zhu, Xi-Sheng Leng, Dong Wang, Ru-Yu Du 
World J Gastroenterol 6(1):143-144. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.143
Radiotherapy of double primary esophageal carcinoma 
Ze-Fen Xiao, Zong-Yi Yang, Zong-Mei Zhou, Wei-Bo Yin, Xian-Zhi Gu 
World J Gastroenterol 6(1):145-146. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.145
bFGF and TGFβ expression in rat kidneys after ischemic/reperfusional gut injury and its relationship with tissue repair 
Yin-Hui Yang, Xiao-Bing Fu, Tong-Zhu Sun, Li-Xian Jiang, Xiao-Man Gu 
World J Gastroenterol 6(1):147-149. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.147
Chronic ulcerative colitis model in rats 
Li Zheng, Zhen-Qiang Gao, Shu-Xian Wang 
World J Gastroenterol 6(1):150-152. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.150
Tracing method study of bacterial translocation in vivo 
Wei-Ling Fu, Guang-Xia Xiao, Xu-Li Yue, Chuan Hua, Man-Ping Lei 
World J Gastroenterol 6(1):153-155. Published online Feb 15, 2000. doi: 10.3748/wjg.v6.i1.153