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Gastric cance

Katsuyuki Murai, Naomi Kakushima, Takashi Sugino, Masao Yoshida, Noboru Kawata, Masaki Tanaka, Kohei Takizawa, Koji Muramatu, Kimihide Kusafuka, Etsuro Bando, Hiroyuki Ono
Epstein-Barr virus-associated gastric cancer (EBV-GC) accounts for approximately 8% of gastric cancers. However, little is known regarding intramucosal EBV-GC. The present study aimed to evaluate endoscopic and clinicopathological characteristics of intramucosal EBV-GC. Pathological data of 172 patients with 173 intramucosal gastric cancers who received gastrectomy with lymph node dissection were obtained for review. EBV-encoded small RNA in situ hybridization (EBER-ISH) was performed using tissue microarray block...
May 5, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
Yong Li, Qun Zhao, Li-Qiao Fan, Li-Li Wang, Bi-Bo Tan, Yan-Li Leng, Yu Liu, Dong Wang
AIM: To investigate the expression of zinc finger protein 139 (ZNF139) in gastric cancer (GC), and to analyze its clinical significance. METHODS: A total of 108 patients who were diagnosed with GC and underwent surgery between January 2005 and March 2007 were enrolled in this study. Gastric tumor specimens and paired tumor-adjacent tissues were collected and paraffin-embedded, and the clinicopathologic characteristics and prognosis were recorded. The expression of ZNF139, Bcl-2, Bax, and caspase-3 were determined by immunohistochemistry, and apoptosis was assessed by terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling...
December 28, 2014: World Journal of Gastroenterology: WJG
Zhaode Bu, Zhixue Zheng, Lianhai Zhang, Ziyu Li, Yu Sun, Bin Dong, Aiwen Wu, Xiaojiang Wu, Xiaohong Wang, Xiaojing Cheng, Xiaofang Xing, Yingai Li, Hong Du, Jiafu Ji
OBJECTIVE: To investigate Leucine-rich repeat-containing G protein-coupled receptor 5 (LGR5) expressions in gastric cancer and to evaluate its clinical significance. METHODS: LGR5 expression was assessed by immunohistochemistry in 257 gastric cancer patients after surgery. The relationships between LGR5 expression and clinicopathological features and patients prognosis were statistically analyzed. RESULTS: The expression of LGR5 was significantly higher in gastric cancers as a cancer stem cell marker than in adjacent normal tissues (P<0...
February 2013: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
M Linsalata, A Cavallini, C Messa, A Orlando, M G Refolo, F Russo
Chemoprevention by dietary constituents has recently emerged as a novel approach to control gastric cancer incidence. Over the past years, functional foods and food supplements, especially probiotics, have received much attention as potential dietary cancer prevention agents. The precise mechanisms by which these lactic cultures exert their antitumorigenic activities are not fully elucidated, but there is some evidence of their influence on cell proliferation and growth. Ornithine decarboxylase (ODC) and spermidine/spermine N1-acetyltransferase (SSAT) are the key enzymes involved in polyamine biosynthesis and catabolism, respectively...
2010: Current Pharmaceutical Design
Alyson L Waterman, Stephen R Grobmyer, William G Cance, Steven N Hochwald
Gastric gastrointestinal stromal tumors (GIST) commonly present as an incidental finding on upper gastrointestinal endoscopy. Advances in endoscopic technology have allowed some to perform attempted excision of these lesions endoscopically. The oncologic implications of such an approach remain unclear. A-74-year-old man initially presented with an incidental finding of a 1.6 x 1.8-cm c-kit-positive gastrointestinal stromal tumor with low mitotic activity in the gastric fundus. The patient underwent an attempted endoscopic resection of this mass resulting in incomplete excision and gastric perforation...
December 2008: American Surgeon
Robert D Winfield, Steven N Hochwald, Stephen B Vogel, Alan W Hemming, Chen Liu, William G Cance, Stephen R Grobmyer
Duodenal gastrointestinal stromal tumors (GIST) have been described primarily in isolated case reports. In order to learn more about duodenal GIST, a retrospective review of patients with GIST managed at a single institution between 2000 and 2005 was conducted. Thirty-eight GIST of the stomach and small bowel were analyzed. Eight (21%) were duodenal GIST. The median size of duodenal GIST (6.0 cm) and small bowel GIST (6.3 cm) was larger than the median size of gastric GIST (3.0 cm). The most common presentation of duodenal GIST was bleeding (50%) which was similar to other small bowel GIST (49%) but different from gastric GIST which were most commonly an incidental finding (62%)...
August 2006: American Surgeon
Michael E Poole, Stephen A Bernard, Mary Ann Churchel, Mark C Weissler, Benjamin Calvo, William Cance, David Ollila, Mark Koruda, Kevin Behrns, Frank C Detterbeck
BACKGROUND: We conducted a phase I study to determine the maximum tolerated dose of docetaxel in combination with gemcitabine for patients with refractory solid tumors. METHODS: From January 1998 to November 1999, we treated 28 patients on a phase I protocol with gemcitabine given at a constant dose of 800 mg/m2 i.v. over 30 minutes on days 1, 8, and 15. Docetaxel was administered by a phase I schedule over 1 hour on day 1 of a 28-day cycle with a starting dose of 50 mg/m2 and increased by increments of 10 mg/m2 based on dose-limiting toxicity (DLT) that occurred in the first cycle...
June 2003: Cancer Investigation
Shui-Ping Tu, Jie Zhong, Ji-Hong Tan, Xiao-Hua Jiang, Min-Min Qiao, Yu-Xin Wu, Shi-Hu Jiang
AIM:To study the effects of arsenic trioxide and HCPT on dif ferent degrees of differentiated gastric cancer cells (SGC-7901, MKN-45, MKN-28) with respect to both cytotoxicity and induction of apoptosis in vitro.METHODS:The cytotoxicity of As(2)O(3) and HCPT on gastric cancer cells was det ermined by MTT assay.Morphologic changes of apoptosis of gastric cancer cells were observed by light microscopy and transmission electron microscopy.Apoptosis and cell cycle changes of gastric cancer cells induced by HCPT and As(2)O(3) we re investigated by TUNEL method and flow cytometry...
August 2000: World Journal of Gastroenterology: WJG
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