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carcinoma gastric

M Bencivenga, E Treppiedi, G Verlato, V Mengardo, S Giacopuzzi, G de Manzoni
No abstract text is available yet for this article.
March 2018: European Journal of Cancer
Enzo Emanuelli, Andrea Ciorba, Daniele Borsetto, Diego Cazzador, Samantha Sarcognato, Filippo Marino, Stefano Fusetti, Chiara Bianchini, Francesco Stomeo, Stefano Pelucchi
PURPOSE: Most primary tumors spreading metastasis to the parotid gland are usually located in the head and neck region, nonetheless, rarely, parotid gland can also be the target of metastatic localization site of distant primary tumors. The purpose of this study was to describe a clinical series of metastasis to the parotid gland from distant primary tumors (non Head & Neck). METHODS: The clinical databases of parotid tumors in two academic centers have been analyzed and 11 cases of parotid metastatic cancers from distant primary tumors were found...
January 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Jinhua Wang, Wan Li, Xiangjin Zheng, Xiaocong Pang, Guanhua Du
FOXC1 is a vital member of FOX families which play important roles in biological processes including proliferation, differentiation, apoptosis, migration, invasion, metabolism, and longevity. Here we are focusing on roles of FOXC1 and their mechanisms in cancers. FOXC1 promoted progress of many cancers, such as breast cancer (especially basal-like breast cancer), hepatocellular carcinoma, gastric cancer and so on. FOXC1 was also found to be associated with drug resistance of cancers. FOXC1 promoted metastasis of cancers by increasing expression of MMP7, NEDD9 and Snail...
February 23, 2018: Oncotarget
Fan Fu, Hua Hu, Shuai Yang, Xiaoqiu Liang
TERF1-interacting nuclear factor 2 (TIN2) is a key member of the protein complexes that protect telomeres. TIN2 contributes an important role in biological processes. In a previous study by the present authors, an association was reported between high TIN2 protein expression and gastric cancer. Therefore, it was hypothesized that abnormal TIN2 expression may cause the development of malignancies, including, gastric carcinomas. To investigate this hypothesis, the present study employed peptide nucleic acid fluorescence in situ hybridization technology to analyze the human gastric epithelial GES-1 cells with high TIN2 expression or inhibited TIN2 expression...
April 2018: Oncology Letters
Tsutomu Namikawa, Kazune Fujisawa, Eri Munekage, Masaya Munekage, Yusuke Oki, Hiromichi Maeda, Hiroyuki Kitagawa, Hiroshi Ueta, Michiya Kobayashi, Kazuhiro Hanazaki
The present case report presents a rare case of Epstein-Barr virus (EBV)-associated early gastric carcinoma with lymphoid stroma, accompanied by lymph node metastasis. A 61-year-old woman was referred to our hospital following observation of a gastric mass lesion that was initially diagnosed at a medical check-up. Esophagogastroduodenoscopy revealed a slightly elevated lesion with a central irregular depression in the middle third of the stomach. Endoscopic ultrasonography revealed a well-circumscribed hypoechoic mass located predominantly within the submucosa and the mucosa...
April 2018: Molecular and Clinical Oncology
Xingwen Wang, Changshun Wu, Baoying Yuan, Dan Wang, Huiling Liu, Hong Feng, Shui Sun
Scavenger receptor class B type I (SR-BI), a well-documented high-density lipoprotein receptor, has been implicated in the development and progression of human cancer. However, little is known regarding the expression profile and clinical value of SR-BI in gastric adenocarcinoma. In the present study immunohistochemistry analysis was performed on a well-annotated gastric adenocarcinoma tissue microarray to investigate the association between SR-BI expression and clinicopathological parameters or patient outcome...
April 2018: Oncology Letters
Sun-Young Jun, Seung-Mo Hong, Young Kyung Bae, Hee Kyung Kim, Kyu Yun Jang, Dae Woon Eom
Heme oxygenase-1 (HO-1), a stress-response protein, is highly induced in various carcinomas. It is implicated in carcinogenesis and tumor progression. High HO-1 expression is associated with better prognosis of patients with colorectal and gastric cancers. Induction or inhibition of HO-1 can mediate chemo-sensitivity, therefore it might be a therapeutic target to develop anticancer agents. To define the clinicopathological and prognostic significance of HO-1 expression in small-intestinal adenocarcinomas (SIACs), immunohistochemical microarray analysis of HO-1 expression was performed for 191 surgically resected SIAC cases and results were compared with various clinicopathologic variables, including survival...
March 14, 2018: Pathology International
Hiroyuki Abe, Ruri Saito, Takashi Ichimura, Akiko Iwasaki, Sho Yamazawa, Aya Shinozaki-Ushiku, Teppei Morikawa, Tetsuo Ushiku, Hiroharu Yamashita, Yasuyuki Seto, Masashi Fukayama
Epstein-Barr virus-associated gastric carcinoma (EBVaGC) frequently harbors dense lymphocytic infiltration, suggesting a specific microenvironment allowing coexistence with tumor immunity. CD47, which mediates the "do not eat me" signal in innate immunity, is also important in adaptive anti-tumor immunity. We investigated the significance of CD47 in EBVaGC compared with EBV-negative gastric cancer and the correlation with various immune cells. By immunohistochemistry of CD47, high, low, and negative expression was observed in 24, 63, and 12% of EBVaGC (n = 41), while 11, 49, and 39% of EBV-negative gastric cancer (n = 262), respectively, indicating that high expression of CD47 in cancer cells was significantly frequent and increased in EBVaGC (P = 0...
March 13, 2018: Virchows Archiv: An International Journal of Pathology
Naoki Ikari, Shota Aoyama, Akiyoshi Seshimo, Yuji Suehiro, Tomoko Motohashi, Shohei Mitani, Sawako Yoshina, Etsuko Tanji, Akiko Serizawa, Takuji Yamada, Kiyoaki Taniguchi, Masakazu Yamamoto, Toru Furukawa
Background and aim: Intramucosal gastric adenocarcinoma of the well-moderately differentiated type only exhibits lymph node metastasis in extremely rare cases. We encountered such case and investigated both the lymphangiogenic properties and somatic mutations in the cancer to understand the prometastatic features of early-stage gastric cancer. Methods: We quantitatively measured the density of lymphatic vessels and identified mutations in 412 cancer-associated genes through next-generation target resequencing of DNA extracted from tumor cells in a formalin-fixed and paraffin-embedded tissue...
February 13, 2018: Oncotarget
Liangli Hong, Ying Zhang, Zhaoyong Liu
Neuroendocrine carcinoma (NEC) of the esophagus and gastric cardia is a rare tumor, and the Chaoshan region has one of the highest incidences of esophageal and gastric cardia cancer (GCC) worldwide. The aim of this study was to characterize the clinicopathologic features of esophageal NEC ( n = 67) and gastric cardia NEC ( n = 13) cases identified over a 9-year period in the Chaoshan region. Esophageal NECs were either purely NEC ( n = 47) or mixed with squamous cell carcinoma or adenocarcinoma ( n = 20). For GCC; pure NEC was found in 5 cases, whereas 8 cases were mixed with adenocarcinomas...
February 13, 2018: Oncotarget
Francesco Fiorica, Marco Trovò, Alessandro Ottaiano, Guglielmo Nasti, Ilaria Carandina, Marina Marzola, Paolo De Paoli, Massimiliano Berretta
Background: Although several studies have been carried out to determine the best treatment for gastric carcinoma, the data on survival rate still remain inconclusive. Objective: To evaluate the effects of postoperative radio-chemotherapy on overall and disease-free survival. Data Sources: MEDLINE and CANCERLIT searches of reference lists (for the period 1970 to 2016) were supplemented with hand search of reference lists. Study selection: The present work includes randomized controlled trials comparing postoperative radio-chemotherapy to postoperative chemotherapy or to surgery alone in patients with resected gastric carcinoma without evidence of metastatic disease...
February 13, 2018: Oncotarget
Jian Chen, Rong Cai, Gang Ren, Jianxi Zhao, Huali Li, Chen Guo, Wenguang He, Xiangru Wu, Wenjie Zhang
Signet ring cell carcinoma (SRC) of the stomach is a histological type based on microscopic characteristics. SRC's clinicopathological characteristics and prognosis are still controversial. Our study is to describe the clinicopathological features and multidetector computed tomography (MDCT) findings of patients with SRC of the stomach in comparison with nonsignet ring cell adenocarcinoma (NSRC). We retrospectively analyzed data from 241 patients who had undergone curative gastrectomy, including 62 SRC and 179 NSRC...
March 13, 2018: Cancer Medicine
M K Mohd Kamil, C S Ngiu, N Md Isa, Y Yaacob Y, C H Deborah Chew, Z Q Wong, R A Raja Ali
Neuroendocrine neoplasm is an epithelial neoplasm with predominant neuroendocrine differentiation that can arise from many organs in the body. We reported a rare case of gastric neuroendocrine carcinoma which accounts for less than 1% of all gastric tumours that is associated with poor prognosis. The recognition of this rare tumour in early stage is challenging and high suspicious into it might bring to early detection and so forth might improve the prognostication.
February 2018: Medical Journal of Malaysia
Masahiko Aoki, Satoshi Tokioka, Ken Narabayashi, Akitoshi Hakoda, Yosuke Inoue, Naoki Yorifuji, Yoshihide Chino, Isao Sato, Yutaro Egashira, Toshihisa Takeuchi, Kazuhide Higuchi
BACKGROUND: Laparoscopic and endoscopic cooperative surgery (LECS) was performed for the local resection of gastrointestinal stromal tumors (GIST). LECS enables less resection of the lesion area and preserves function. Furthermore, LECS can be safely performed and independent of tumor location. However, LECS is not usually used for cases involving gastric carcinoma because it may seed tumor cells into the peritoneal cavity when the gastric wall is perforated. Here, we report seven cases of LECS for intra-mucosal gastric carcinoma, which were difficult to carry out by endoscopic submucosal dissection (ESD) because of ulcer scars...
March 12, 2018: World Journal of Surgical Oncology
Andreas H Scheel, Frédérique Penault-Llorca, Wedad Hanna, Gustavo Baretton, Peter Middel, Judith Burchhardt, Manfred Hofmann, Bharat Jasani, Josef Rüschoff
BACKGROUND: Detection of HER2/neu receptor overexpression and/or amplification is a prerequisite for efficient anti-HER2 treatment of breast and gastric carcinomas. Immunohistochemistry (IHC) of the HER2 protein is the most common screening test, thus precise and reproducible IHC-scoring is of utmost importance. Interobserver variance still is a problem; in particular in gastric carcinomas the reliable differentiation of IHC scores 2+ and 1+ is challenging. Herein we describe the physical basis of what we called the 'magnification rule': Different microscope objectives are employed to reproducibly subdivide the continuous spectrum of IHC staining intensities into distinct categories (1+, 2+, 3+)...
March 12, 2018: Diagnostic Pathology
Guoqing Jiang, Dousheng Bai, Ping Chen, Jianjun Qian, Shengjie Jin
BACKGROUND: Liver resection was not formerly recommended in patients with both hepatocellular carcinoma (HCC) and portal hypertension because of difficult perioperative bleeding control and postoperative liver failure. Splenectomy is a proven method with which to overcome these problems. To investigate the safety and feasibility of synchronous laparoscopic splenectomy and azygoportal disconnection with hepatectomy (LSDH) for treatment of portal hypertension accompanied with HCC, we describe a clinical cohort of 10 patients who underwent a new technique of synchronous LSDH...
March 1, 2018: Surgical Innovation
Issei Hirata, Hideaki Kinugasa, Kouji Miyahara, Reiji Higashi, Masaki Kunihiro, Toshiaki Morito, Kouichi Ichimura, Takehiro Tanaka, Masahiro Nakagawa
A 75-year-old woman visited our hospital for the examination of esophagogastroduodenoscopy (EGD) without any major complaint. The patient's medical history included hypertension, but no carcinoma. EGD revealed a 30-mm elevated lesion located in the anterior wall of the upper region of the stomach. The lesion, which was a 0-IIa+I type lesion with fading-like and light flare-like domains, was surgically removed using endoscopic submucosal dissection (ESD) and then the patient was diagnosed with gastric type adenoma with submucosal invasive carcinoma...
2018: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
Hao Zhuang, Qiang Li, Xinran Zhang, Xuda Ma, Zun Wang, Yun Liu, Xianfu Yi, Ruibing Chen, Feng Han, Ning Zhang, Yongmei Li
Metabolic reprogramming is a hallmark of cancer. Glycine decarboxylase (GLDC), an oxidoreductase, plays an important role in amino acid metabolism. While GLDC promotes tumor initiation and proliferation in non-small cell lung cancer and glioma and it was reported as a putative tumor suppressor gene in gastric cancer, the role of GLDC in hepatocellular carcinoma (HCC) is unknown. In the current study, microarray-based analysis suggested that GLDC expression was low in highly malignant HCC cell lines, and clinicopathological analysis revealed a decrease in GLDC in HCC tumor samples...
March 7, 2018: Free Radical Biology & Medicine
Kelly Flentie, Caleb Gonzalez, Brandon Kocher, Yue Wang, Hongtu Zhu, Jayne Marasa, David Piwnica-Worms
Bacterial flagellin is a potent activator of NF-κB signaling, inflammation and host innate immunity, and recent data indicate that flagellin represents a novel anti-tumor ligand acting through toll-like receptor 5 (TLR5) and the NF-κB pathway to induce host immunity and aid in the clearance of tumor xenografts. To identify innate signaling components of TLR5 responsible for these anti-tumor effects, a loss-of-function high-throughput screen was employed utilizing carcinoma cells expressing a dynamic NF-κB bioluminescent reporter stimulated by Salmonella typhimurium expressing flagellin...
March 9, 2018: Molecular Cancer Research: MCR
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