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Gastric carcinoma

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https://www.readbyqxmd.com/read/28819789/left-gastric-artery-lymph-nodes-should-be-included-in-d1-lymph-node-dissection-in-gastric-cancer
#1
Naruhiko Ikoma, Mariela Blum, Jeannelyn S Estrella, Xuemei Wang, Keith F Fournier, Paul F Mansfield, Jaffer A Ajani, Brian D Badgwell
BACKGROUND: The Japanese Classification of Gastric Carcinoma includes the left gastric artery (#7) lymph nodes (LNs) in the recommended extent of D1 LN dissection, but this recommendation has not been validated in western institutions. METHODS: We reviewed data from a prospectively maintained database of gastric cancer patients who underwent resection at our academic cancer center and had a separate pathologic assessment of #7 LN in 2005-2016. Risk factors for #7 LN metastases and overall survival were examined by uni- and multivariable analyses...
August 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28819419/osteopontin-a-promising-biomarker-for-cancer-therapy
#2
REVIEW
Ran Wei, Janet Pik Ching Wong, Hang Fai Kwok
Osteopontin (OPN), a multifunctional protein, has emerged as a potentially valuable biomarker for diagnosing and treating cancers. Recent research focuses on its involvement in tumor biology including the cell proliferation, survival, angiogenesis, invasion, and metastasis. Understanding the molecular mechanisms and pharmacological effects of OPN in cancer development could lead to new targets for improving cancer diagnosis and treatment. This review explains how the structurally conserved domains of OPN are associated with OPN signaling mediators and CD44, and how the conserved OPN domains determine biological functions...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819369/in-vitro-cytotoxic-activities-of-the-oral-platinum-iv-prodrug-oxoplatin-and-hsp90-inhibitor-ganetespib-against-a-panel-of-gastric-cancer-cell-lines
#3
Lukas Klameth, Barbara Rath, Gerhard Hamilton
Gastric cancer exhibits a poor prognosis and is the third most common cause of cancer death worldwide. Chemotherapy of metastatic gastric cancer is based on combinations of platinum drugs and fluoropyrimidines, with added agents. Oxoplatin is a stable oral platinum(IV) prodrug which is converted to a highly active tetrachlorido(IV) complex under acidic conditions. In the present work, we studied the cytotoxic effects of oxoplatin against a panel of four gastric cancer cell lines in vitro. Furthermore, the role of HSP90 in chemoresistance of these lines was investigated using the specific inhibitor ganetespib...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28817457/a-comparison-by-meta-analysis-of-papillary-early-gastric-carcinoma-to-its-tubular-counterpart-for-the-risk-of-lymph-node-metastasis-and-submucosal-invasion
#4
Xiao-Yong Wang, Jin Yan, Jia Wu, Yi-Feng Zhang, Guo-Xin Zhang
BACKGROUND AND AIM: At present, the decision to perform endoscopic resection for treating either papillary early gastric cancer (EGC) or tubular EGC is made according to identical criteria. However, there is controversy in the literature whether the risk of lymph node metastasis (LNM) and submucosal invasion for both disease modalities is equal, and this prompts investigation to clarify this issue. METHODS: The PubMed and Web of Science databases were searched for relevant studies published up to January 2017...
August 16, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28816940/signet-ring-cell-carcinoma-of-early-gastric-cancer-is-endoscopic-treatment-really-risky
#5
Sun Hyung Kang, Joo Seok Kim, Hee Seok Moon, Eaum Seok Lee, Seok Hyun Kim, Jae Kyu Sung, Byung Seok Lee, Hyun Yong Jeong
Signet ring cell carcinoma (SRC) is a poorly differentiated cancer of the stomach. Generally, poorly differentiated cancer is believed to show poor prognosis and aggressive behavior. Recently, however, there is debate on the aggressiveness of SRC in early gastric cancer (EGC). We therefore studied postoperation biopsies to investigate the aggressiveness of SRC in EGC.We reviewed medical records of patients with EGC who had surgery from January 2011 to December 2015 in a tertiary hospital in Daejeon, South Korea...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28814970/prevalence-and-characteristics-of-epstein-barr-virus-associated-gastric-carcinomas-in-portugal
#6
Célia Nogueira, Marta Mota, Rui Gradiz, Maria Augusta Cipriano, Francisco Caramelo, Hugo Cruz, Ana Alarcão, Francisco Castro E Sousa, Fernando Oliveira, Fernando Martinho, João Moura Pereira, Paulo Figueiredo, Maximino Leitão
BACKGROUND: Gastric cancer (GC) is one of the most common malignant tumors of the digestive tract and is the third leading cause of cancer death worldwide. Epstein-Barr virus (EBV) has been associated with approximately 10% of the total cases of gastric carcinomas. No previous study has analyzed the prevalence of EBV infection in gastric cancer of the Portuguese population. METHODS: In the present study, we have analyzed 82 gastric carcinoma cases and 33 healthy individuals (control group) from Coimbra region for the presence of EBV by polymerase chain reaction (PCR) and by in situ hybridization (ISH) for EBV-encoded small RNAs (EBERs)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28814568/fetal-type-gastrointestinal-adenocarcinoma-a-morphologically-distinct-entity-with-unfavourable-prognosis
#7
Kshtij Arora, Munita Bal, Angela Shih, Andrea Moy, Lawerence Zukerberg, Ian Brown, Xiuli Liu, Paul Kelly, Esther Oliva, John Mullen, Soomin Ahn, Kyoung-Mee Kim, Vikram Deshpande
AIMS: This multi-institutional study and a re-evaluation of the TCGA cohort explores the morphological spectrum, genetics and outcome of GI (gastrointestinal) hepatoid tumours, tumours expressing alpha-fetoprotein (AFP) and fetal-type (FT) GI adenocarcinomas. METHODS: 44 tumours with evidence of hepatocellular differentiation were evaluated for morphology as well as by immunohistochemistry for AFP, HepPar1, glypican-3 and arginase-1 and by in situ hybridisation for albumin...
August 16, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28810875/role-of-iqgap3-in-metastasis-and-epithelial-mesenchymal-transition-in-human-hepatocellular-carcinoma
#8
Yongjie Shi, Nan Qin, Qiang Zhou, Yanqiu Chen, Sicong Huang, Bo Chen, Gang Shen, Hongyun Jia
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most lethal cancers worldwide owing to its high rates of metastasis and recurrence. The oncogene IQ motif-containing GTPase activating protein 3 (IQGAP3) is ubiquitously overexpressed in several human cancers, including liver, ovary, lung, large intestine, gastric, bone marrow, and breast malignancies and is involved in the invasion and metastasis of cancer cells. Therefore, we aimed to determine the biological role and molecular mechanism of IQGAP3 in HCC...
August 15, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28810822/gamma-irradiated-%C3%AE-glucan-modulates-signaling-molecular-targets-of-hepatocellular-carcinoma-in-rats
#9
Sawsan M Elsonbaty, Walid E Zahran, Fatma Sm Moawed
β-glucans are one of the most abundant forms of polysaccharides known as biological response modifiers which influence host's biological response and stimulate immune system. Accordingly, this study was initiated to evaluate irradiated β-glucan as a modulator for cellular signaling growth factors involved in the pathogenesis of hepatocellular carcinoma in rats. Hepatocellular carcinoma was induced with 20 mg diethylnitrosamine/kg BW. Rats received daily by gastric gavage 65 mg irradiated β-glucan/kg BW. It was found that treatment of rats with diethylnitrosamine induced hepatic injury and caused significant increase in liver injury markers with a concomitant significant increase in both hepatic oxidative and inflammatory indices: alpha-fetoprotein, interferon gamma, and interleukin 6 in comparison with normal and irradiated β-glucan-treated groups...
August 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28807841/racial-disparity-in-gastrointestinal-cancer-risk
#10
REVIEW
Hassan Ashktorab, Sonia S Kupfer, Hassan Brim, John M Carethers
Cancer from the gastrointestinal tract and its associated excretory organs will occur in over 300,000 Americans in 2017, with colorectal cancer responsible for over forty percent of that burden; there will be over 150,000 deaths from this group of cancers in the same time period. Disparities among subgroups related to these cancers' incidence and mortality exist. The epidemiology and risk factors associated with each cancer bear out differences for racial groups in the United States. Esophageal adenocarcinoma is more frequent in Non-Hispanic Whites, whereas esophageal squamous cell carcinoma with risk factors of tobacco and alcohol is more frequent among Blacks...
August 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28807689/effects-of-polysaccharides-from-abalone-viscera-haliotis-discus-hannai-ino-on-mgc-803cells-proliferation
#11
Rui-Juan Zhang, Yan Shi, Jing Zheng, Xiao-Mei Mao, Zhi-Yu Liu, Qing-Xi Chen, Qin Wang
The polysaccharides (AVP) was obtained from abalone (Haliotis discus hannai Ino) viscera, using the alkaline protease to enzymolysis, sevage method and repeated freezing and thawing method to remove protein and hydrogen peroxide method to depigment. The total sugar content was 46.27±1.5% and uronic acid, sulfate radical, hexosamine and protein contents were 17.44±0.22%, 16.98±0.15%, 0.65±0.02% and 1.64±0.13% in AVP respectively. The main monosaccharide compositions of AVP were D-galactose, D-xylose, D-mannose, D-glucose and D-glucuronic acid...
August 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28807364/initial-results-of-the-oesophageal-and-gastric-cancer-registry-from-the-comunidad-valenciana
#12
Javier Escrig, Fernando Mingol, Roberto Martí, José Puche, Ramón Trullenque, José Antonio Barreras, Francisco Asencio, Javier Aguiló, José Manuel Navarro, Carmen Alberich, Dolores Salas, Francisco Javier Lacueva
AIMS: To evaluate the initial results of the oesophagogastric cancer registry developed for the Sociedad Valenciana de Cirugía and the Health Department of the Comunidad Valenciana (Spain). MATERIAL AND METHODS: Fourteen of the 24 public hospitals belonging to the Comunidad Valenciana participated. All patients with diagnosis of oesophageal or gastric carcinomas operated from January 2013 to December 2014 were evaluated. Demographic, clinical and pathological data were analysed...
August 11, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28804629/clinical-presentation-and-treatment-of-gastric-metastasis-from-other-malignancies-of-solid-organs
#13
Tsutomu Namikawa, Eri Munekage, Maho Ogawa, Toyokazu Oki, Masaya Munekage, Hiromichi Maeda, Hiroyuki Kitagawa, Takeki Sugimoto, Michiya Kobayashi, Kazuhiro Hanazaki
The aim of the present study was to analyze the clinicopathologic features and treatment outcomes of gastric metastasis from other malignancies of solid organs. A review was conducted of patients with metastatic tumors in the stomach from other malignancies of solid organs detected endoscopically at the Department of Surgery, Kochi Medical School, from January 1991 to December 2015. Seven patients (four men and three women), with a median age of 64 years (range, 42-71 years), had metastatic gastric tumors. Median tumor size was 7...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28801683/regulation-of-tumour-related-genes-by-dynamic-epigenetic-alteration-at-enhancer-regions-in-gastric-epithelial-cells-infected-by-epstein-barr-virus
#14
Atsushi Okabe, Sayaka Funata, Keisuke Matsusaka, Hiroe Namba, Masaki Fukuyo, Bahityar Rahmutulla, Motohiko Oshima, Atsushi Iwama, Masashi Fukayama, Atsushi Kaneda
Epstein-Barr virus (EBV) infection is associated with tumours such as Burkitt lymphoma, nasopharyngeal carcinoma, and gastric cancer. We previously showed that EBV(+) gastric cancer presents an extremely high-methylation epigenotype and this aberrant DNA methylation causes silencing of multiple tumour suppressor genes. However, the mechanisms that drive EBV infection-mediated tumorigenesis, including other epigenomic alteration, remain unclear. We analysed epigenetic alterations induced by EBV infection especially at enhancer regions, to elucidate their contribution to tumorigenesis...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28795661/molecular-diversity-of-igg-responses-to-epstein-barr-virus-proteins-in-asymptomatic-epstein-barr-virus-carriers
#15
Ria Goswami, Kathy Ho Yen Shair, Edward Gershburg
The Epstein-Barr virus (EBV) is a ubiquitous pathogen that infects over 90 % of adults. EBV is the primary etiological agent of infectious mononucleosis and is closely associated with nasopharyngeal carcinoma, gastric carcinoma, Hodgkin lymphoma and Burkitt lymphoma. Clinical serological assays for EBV diagnosis only survey a small portion of the viral proteome, which does not represent the total antigenic breadth presented to the immune system during viral infection. In this study, we have generated an expression library containing the majority of EBV ORFs, and have systematically evaluated IgG responses to those EBV proteins in sera from EBV carriers...
August 10, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28794695/water-filtered-infrared-a-wira-overcomes-swallowing-disorders-and-hypersalivation-a-case-report
#16
Gerd Hoffmann
Case description: A patient with a Barrett oesophageal carcinoma and a resection of the oesophagus with gastric pull-up developed swallowing disorders 6 years and 2 months after the operation. Within 1 year and 7 months two recurrences of the tumor at the anastomosis were found and treated with combined chemoradiotherapy or chemotherapy respectively. 7 years and 9 months after the operation local tumor masses and destruction were present with no ability to orally drink or eat (full feeding by jejunal PEG tube): quality of life was poor, as saliva and mucus were very viscous (pulling filaments) and could not be swallowed and had to be spat out throughout the day and night resulting in short periods of sleep (awaking from the necessity to spit out)...
2017: German Medical Science: GMS E-journal
https://www.readbyqxmd.com/read/28782745/application-of-single-port-video-assisted-thoracoscope-in-treating-thoracic-oesophageal-squamous-cell-carcinoma-using-mckeown-approach
#17
Wenqiang Lv, Guiqing Zeng, Weibin Wu, Wuzhi Wei, Xiaodong Li, Wenke Yang
OBJECTIVE: This study aims to investigate the feasibility of single-port video-assisted thoracoscope (SPVATS) in treating thoracic oesophageal squamous cell carcinoma (TESCC) using McKeown approach. MATERIALS AND METHODS: Totally 10 McKeown approach-based SPVATS surgeries (8 males and 2 females, aged 42-68 years) were carried out from January 2015 to December 2015 to treat TESCC, including one case in upper thoracic segment, 5 cases in median thoracic segment and 4 cases in inferior thoracic segment...
August 1, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28781967/immunotherapeutic-strategies-for-gastric-carcinoma-a-review-of-preclinical-and-clinical-recent-development
#18
REVIEW
Mohamed Abozeid, Antonio Rosato, Roberta Sommaggio
Gastric carcinoma (GC) is the 2nd most common cause of cancer-related death. Despite advances in conventional treatment and surgical interventions, a high percentage of GC patients still have poor survival. Recently, immunotherapy has become a promising approach to treat GC. Here, we present preclinical and clinical studies encouraging the use of vaccination, adoptive T-cell therapy (ACT), and immune checkpoint inhibitors, such as programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1) or cytotoxic T-lymphocyte-associated protein 4 (CTLA-4)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28781800/clinicopathological-and-prognostic-characteristics-in-patients-with-afp-secreting-gastric-carcinoma
#19
Yakup Bozkaya, Nebi Serkan Demirci, Alican Kurtipek, Gökmen Umut Erdem, Nuriye Yildirim Ozdemir, Nurullah Zengin
The aim of the present study was to determine whether there are any clinicopathological or prognostic differences between patients with α-fetoprotein-secreting gastric carcinoma (AFP-SGC) and non-AFP-SGC. Pathological parameters, clinical parameters, and treatment efficacy were compared in patients with AFP-SGC and non-AFP-SGC. In total, 362 patients (53 with AFP-SGC and 309 with non-AFP-SGC) were included in the present study. Patients with AFP-SGC had significantly higher levels of lymphovascular invasion, perineural invasion (PNI), rate of liver metastasis, and stage IV cancer compared with patients with non-AFP-SGC (P<0...
August 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28781796/gastric-adenocarcinoma-at-the-anastomotic-site-50-years-after-gastrojejunostomy-a-case-report
#20
Tsutomu Namikawa, Yasuhiro Kawanishi, Kazune Fujisawa, Eri Munekage, Masaya Munekage, Hiromichi Maeda, Hiroyuki Kitagawa, Michiya Kobayashi, Kazuhiro Hanazaki
We herein report a rare case of superficially spreading early gastric cancer occurring 50 years after gastrojejunostomy. An 83-year-old woman was diagnosed with gastric cancer after complaining of epigastric discomfort. The patient had undergone gastrojejunostomy with Braun jejunojejunostomy for benign chronic peptic ulcer 50 years prior. Esophagogastroduodenoscopy revealed an irregular nodular lesion on the gastric side of the anastomosis of the gastrojejunostomy. No abnormal lesions were identified by abdominal contrast-enhanced computed tomography...
August 2017: Molecular and Clinical Oncology
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