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https://www.readbyqxmd.com/read/28548961/identification-and-validation-of-a-prognostic-9-genes-expression-signature-for-gastric-cancer
#1
Zhiqiang Wang, Gongxing Chen, Qilong Wang, Wei Lu, Meidong Xu
Gastric cancer (GC) is a common malignant tumor with high incidence and mortality. Reasonable assessment of prognosis is essential to improve the outcomes of patients. In this study, we constructed and validated a prognostic gene model to evaluate the risks of GC patients. To identify the differentially expressed genes between GC patients and controls, we extracted Gene expression profiles of GC patients (N=432) from Gene Expression Omnibus database and then stable signature genes by using Robust likelihood-based modeling with 1000 iterations...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28547910/impact-of-delayed-gastric-emptying-following-pancreaticoduodenectomy-on-survival
#2
Yasuro Futagawa, Masaru Kanehira, Kenei Furukawa, Hiroaki Kitamura, Seiya Yoshida, Teruyuki Usuba, Takeyuki Misawa, Tomoyoshi Okamoto, Katsuhiko Yanaga
BACKGROUND: Delayed gastric emptying (DGE), a common postoperative complication of pancreaticoduodenectomy (PD), is not considered a life-threatening complication. In this study, we analyzed the risk factors for DGE and its impact on long-term prognosis. METHODS: We analyzed 383 patients who underwent PD between 2003 and 2010, dividing them into two groups according to DGE grade as defined by the International Study Group of Pancreatic Surgery: 243 without DGE (Non-DGE Group) and 140 with DGE of any grade (DGE Group)...
May 26, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28546787/pepsinogen-c-expression-regulation-and-its-relationship-with-cancer
#3
REVIEW
Shixuan Shen, Jingyi Jiang, Yuan Yuan
Pepsinogen C (PGC) belongs to the aspartic protease family and is secreted by gastric chief cells. PGC could be activated to pepsin C and digests polypeptides and amino acids, but as a zymogen PGC's functions is unclear. In normal physiological conditions, PGC is initially detected in the late embryonic stage and is mainly expressed in gastric mucosa. The in situ expression of PGC in gastric mucosa is decreased considerably in the process of superficial gastritis → atrophic gastritis → gastric cancer (GC), proving that PGC is a comparatively ideal negative marker of GC...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28545783/risk-factors-for-severe-weight-loss-at-1-month-after-gastrectomy-for-gastric-cancer
#4
Kenki Segami, Toru Aoyama, Kazuki Kano, Yukio Maezawa, Tetsushi Nakajima, Kosuke Ikeda, Tsutomu Sato, Hirohito Fujikawa, Tsutomu Hayashi, Takanobu Yamada, Takashi Oshima, Norio Yukawa, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa
BACKGROUND: Body weight loss (BWL) is frequently observed in gastric cancer patients who undergo gastrectomy for gastric cancer. The risk factors for severe BWL after gastrectomy remain unclear. METHODS: The present study retrospectively examined patients who underwent curative gastrectomy for gastric cancer between January 2012 and June 2014 at Kanagawa Cancer Center. All patients received perioperative care based on the enhanced recovery after surgery protocol...
May 22, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28545189/outcomes-of-a-randomized-controlled-trial-comparing-modified-high-dose-omeprazole-and-amoxicillin-triple-therapy-with-standard-triple-therapy-for-helicobacter-pylori-eradication
#5
Kitti Chunlertlith, Uaepong Limpapanasit, Pisaln Mairiang, Suda Vannaprasaht, Wichittra Tassaneeyakul, Apichat Sangchan, Kookwan Sawadpanich, Tanita Suttichaimongkol, Jamrus Pongpit, Moragot Pattarapongsin
Background: Helicobacter pylori (H. pylori) infection is related to peptic ulcer diseases and gastric cancer and eradication of H. pylori should be expected to decrease the risk of their development. Factors affecting H. pylori eradication are antibiotic resistance, CYP2C19 genotypes, drug regimen and patient compliance. Increment of omeprazole and amoxicillin dosage in clarithromycin-containing triple therapy regimen may overcome these problems and may be a better choice than the conventional clarithromycin-containing triple therapy regimen...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28544609/global-circular-rna-expression-profile-of-human-gastric-cancer-and-its-clinical-significance
#6
Yongfu Shao, Jinyun Li, Rongdan Lu, Tianwen Li, Yunben Yang, Bingxiu Xiao, Junming Guo
Circular RNAs (circRNAs) are a new class of noncoding RNAs. However, the expression profile and clinical significance of circRNAs in human gastric cancer is unclear. The global circRNA expression profile in human gastric cancer was measured by circRNA microarray. Hsa_circ_0014717, one of the most downregulated circRNAs in microarray, was selected as a targeted circRNA to explore its levels in gastric tissues and gastric juice. Freeze-thaw experiment and incubation experiment confirmed the stability of gastric juice circRNAs...
May 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28543377/hepcidin-levels-and-gastric-cancer-risk-in-the-epic-eurgast-study
#7
Paula Jakszyn, Ana Fonseca-Nunes, Leila Lujan-Barroso, Núria Aranda, Mónica Tous, Victoria Arija, Amanda Cross, Bas Bueno de Mesquita, Elisabete Weiderpass, Tilman Kühn, Rudolf Kaaks, Klas Sjöberg, Bodil Ohlsson, Rosario Tumino, Domenico Palli, Fulvio Ricceri, Francesca Fasanelli, Vittorio Krogh, Amalia Mattiello, Mazda Jenab, Marc Gunter, Aurora Perez-Cornago, Kay-Tee Khaw, Anne Tjønneland, Anja Olsen, Kim Overvad, Antonia Trichopoulou, Eleni Peppa, Effie Vasilopoulou, Heiner Boeing, Emilio Sánchez-Cantalejo, José María Huerta, Miren Dorronsoro, Aurelio Barricarte, José Maria Quirós, Petra H Peeters, Antonio Agudo
Hepcidin is the main regulator of iron homeostasis and dysregulation of proteins involved in iron metabolism has been associated with tumorogenesis. However, to date, no epidemiological study has researched the association between hepcidin levels and gastric cancer risk. To further investigate the relationship between hepcidin levels and gastric cancer risk, we conducted a nested case-control study (EURGAST) within the multicentric European Prospective Investigation into Cancer and Nutrition (EPIC) study. The study included 456 primary incident gastric adenocarcinoma cases and 900 matched controls that occurred during an average of 11 years of follow-up...
May 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28542283/shared-susceptibility-loci-at-2q33-region-for-lung-and-esophageal-cancers-in-high-incidence-areas-of-esophageal-cancer-in-northern-china
#8
Xue Ke Zhao, Yi Min Mao, Hui Meng, Xin Song, Shou Jia Hu, Shuang Lv, Rang Cheng, Tang Juan Zhang, Xue Na Han, Jing Li Ren, Yi Jun Qi, Li Dong Wang
BACKGROUND: Cancers from lung and esophagus are the leading causes of cancer-related deaths in China and share many similarities in terms of histological type, risk factors and genetic variants. Recent genome-wide association studies (GWAS) in Chinese esophageal cancer patients have demonstrated six high-risk candidate single nucleotide polymorphisms (SNPs). Thus, the present study aimed to determine the risk of these SNPs predisposing to lung cancer in Chinese population. METHODS: A total of 1170 lung cancer patients and 1530 normal subjects were enrolled in this study from high-incidence areas for esophageal cancer in Henan, northern China...
2017: PloS One
https://www.readbyqxmd.com/read/28542079/adherence-to-mediterranean-diet-and-risk-of-gastric-cancer-results-of-a-case-control-study-in-italy
#9
Jovana Stojanovic, Luca Giraldi, Dario Arzani, Roberta Pastorino, Alberto Biondi, Roberto Persiani, Stefania Boccia, Emanuele Leoncini
The aim of this study is to evaluate the association between adherence to Mediterranean diet (MD) and gastric cancer (GC). A case-control study was carried out at the Fondazione Policlinico 'A. Gemelli' (Rome, Italy) from 2003 to 2015. A total of 223 incident cases and 223 controls were interviewed. Dietary intake was assessed through a validated food frequency questionnaire that collected information on more than 25 food items. The association between adherence to MD and risk of GC was quantified by calculating Odds Ratios (OR) and 95% confidence intervals (CI)...
May 24, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28538665/molecular-basis-of-alcohol-related-gastric-and-colon-cancer
#10
REVIEW
Hye-Kyung Na, Ja Young Lee
Many meta-analysis, large cohort studies, and experimental studies suggest that chronic alcohol consumption increases the risk of gastric and colon cancer. Ethanol is metabolized by alcohol dehydrogenases (ADH), catalase or cytochrome P450 2E1 (CYP2E1) to acetaldehyde, which is then further oxidized to acetate by aldehyde dehydrogenase (ALDH). Acetaldehyde has been classified by the International Agency for Research on Cancer (IARC) as a Group 1 carcinogen to humans. The acetaldehyde level in the stomach and colon is locally influenced by gastric colonization by Helicobacter pylori or colonic microbes, as well as polymorphisms in the genes encoding tissue alcohol metabolizing enzymes, especially ALDH2...
May 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28538209/peritoneal-recurrence-in-gastric-cancer-following-curative-resection-can-be-predicted-by-postoperative-but-not-preoperative-biomarkers-a-single-institution-study-of-320-cases
#11
Fan Wu, Chunmei Shi, Riping Wu, Zhiqing Huang, Qiang Chen
To determine the risk factors for peritoneal recurrence in gastric cancer patients after curative resection, we included 320 patients with stage I-III primary gastric cancer between January 2008 and June 2012. Data on each patient's surgical and pathological information, preoperative and postoperative tumor markers were collected and analyzed retrospectively. The risk factors for peritoneal recurrence were investigated by univariate and multivariate analysis. In patients with peritoneal recurrence, advanced T or N stage, low differentiation, vascular/lymphatic invasion, perineural invasion, and elevated postoperative CEA/CA19-9 were more common than in patients without peritoneal recurrence...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536490/apparent-diffusion-coefficient-by-diffusion-weighted-magnetic-resonance-imaging-as-a-sole-biomarker-for-staging-and-prognosis-of-gastric-cancer
#12
Francesco Giganti, Alessandro Ambrosi, Damiano Chiari, Elena Orsenigo, Antonio Esposito, Elena Mazza, Luca Albarello, Carlo Staudacher, Alessandro Del Maschio, Francesco De Cobelli
OBJECTIVE: To investigate the role of apparent diffusion coefficient (ADC) from diffusion-weighted magnetic resonance imaging (DW-MRI) when applied to the 7th TNM classification in the staging and prognosis of gastric cancer (GC). METHODS: Between October 2009 and May 2014, a total of 89 patients with non-metastatic, biopsy proven GC underwent 1.5T DW-MRI, and then treated with radical surgery. Tumor ADC was measured retrospectively and compared with final histology following the 7th TNM staging (local invasion, nodal involvement and according to the different groups - stage I, II and III)...
April 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28536489/depth-of-tumor-invasion-and-tumor-occupied-portions-of-stomach-are-predictive-factors-of-intra-abdominal-metastasis
#13
Ziyu Li, Zhemin Li, Zhaode Bu, Aiwen Wu, Lianhai Zhang, Xiaojiang Wu, Shuangxi Li, Fei Shan, Xin Ji, Jiafu Ji
OBJECTIVE: Diagnostic laparoscopy is recommended for the pretherapeutic staging of gastric cancer to detect any unexpected or unconfirmed intra-abdominal metastasis. The aim of this study was to evaluate the role and indications of diagnostic laparoscopy in the detection of intra-abdominal metastasis. METHODS: Standard diagnostic laparoscopy with peritoneal cytology examination was performed prospectively on patients who were clinically diagnosed with primary local advanced gastric cancer (cT≥2M0)...
April 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28535156/phase-ii-study-of-neoadjuvant-imatinib-in-large-gastrointestinal-stromal-tumours-of-the-stomach
#14
Yukinori Kurokawa, Han-Kwang Yang, Haruhiko Cho, Min-Hee Ryu, Toru Masuzawa, Sook Ryun Park, Sohei Matsumoto, Hyuk-Joon Lee, Hiroshi Honda, Oh Kyoung Kwon, Takashi Ishikawa, Kyung Hee Lee, Kazuhito Nabeshima, Seong-Ho Kong, Toshio Shimokawa, Jeong-Hwan Yook, Yuichiro Doki, Seock-Ah Im, Seiichi Hirota, Seokyung Hahn, Toshirou Nishida, Yoon-Koo Kang
BACKGROUND: Gastrointestinal stromal tumours (GISTs) with high-risk features have poor prognosis even if adjuvant treatment is given. Neoadjuvant imatinib may increase the cure rate by shrinking large GISTs and preserve organ function. METHODS: We conducted an Asian multinational phase II study for patients with gastric GISTs ≥10 cm. Patients received neoadjuvant imatinib (400 mg/day) for 6-9 months. The primary end point was R0 resection rate. RESULTS: A total of 56 patients were enroled in this study...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28534554/-relation-between-preoperative-prognostic-onodera-s-index-and-postsurgery-complications-in-the-r0-gastric-carcinoma-resection
#15
F Borda, C Miranda, A Borda, E Echeverría, A Guerra, J J Iñigo, J M Zozaya
BACKGROUND: It has been postulated in the Asian literature that a low prognostic nutritional index (OI) could be associated with a higher rate of complications following radical gastric cancer surgery, but there is a lack of data concerning western countries. The aim is to analyze the relationship between a low preoperative OI and the frequency and severity of surgical complications in R0 gastric cancer resection. PATIENTS AND METHODS: In the present article, 124 cases of gastric cancer with R0 resection were reviewed...
April 30, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28534361/impact-of-perioperative-blood-transfusion-on-survival-of-patients-undergoing-laparoscopic-gastrectomy-for-gastric-cancer
#16
Rong Gui, Hao Tang, Meng Gao, Jing Liu, Rong Huang, Guosheng Zhao, Jinqi Ma, Mengqing Yi, Fengxia Liu, Yunfeng Fu
PURPOSE: Previous studies have suggested that perioperative blood transfusion is associated with poor prognosis in patients undergoing radical gastrectomy for gastric cancer. The purpose of this study was to evaluate the impact of blood transfusion on the long-term survival of such patients. METHODS: Short- and long-term outcomes were retrieved from a prospectively collected database of patients who underwent laparoscopic gastrectomy with radical intent for gastric cancer...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534360/association-of-microrna-933-variant-with-the-susceptibility-to-gastric-cancer
#17
Yitong Zhang, Yanyun Ma, Weihong Xu, Wenshuai Li, Pei Min, Jigang Qiu, Min Li, Feng Tang, Mingqing Zhang, Dongqin Yang, Jun Zhang
PURPOSE: Common single-nucleotide polymorphisms (SNPs) in microRNAs (miRs) have been shown to be associated with susceptibility to several types of human cancer. However, the association of miR-933 rs79402775 with gastric cancer (GC) has not been explored. METHODS: The association between rs79402775 in miR- 933 and the risk of GC was explored in Chinese population based on MassARRAY technology. A total 374 GC patients and 999 cancer-free controls were enrolled in this study...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28529571/epigenetic-modulation-associated-with-carcinogenesis-and-prognosis-of-human-gastric-cancer
#18
Fuminori Sonohara, Yoshikuni Inokawa, Masamichi Hayashi, Yasuhiro Kodera, Shuji Nomoto
Gastric cancer (GC) is a leading cause of cancer-related death, particularly in Asia. Epidemiological and other clinical studies have identified an association between a number of risk factors, including Helicobacter pylori, and GC. A number of studies have also examined genetic changes associated with the development and progression of GC. When considering the clinical significance of the expression of a specific gene, its epigenetic modulation should be considered. Epigenetic modulation appears to be a primary driver of changes in gastric tissue that promotes carcinogenesis and progression of GC and other neoplasms...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28523650/ubiquitin-specific-peptidase-5-mediates-histidine-rich-protein-hpn-induced-cell-apoptosis-in-hepatocellular-carcinoma-through-p14-p53-signaling
#19
Yi Liu, Wei-Mao Wang, Li-Yi Zou, Li Li, Lu Feng, Ming-Zhu Pan, Min-Yi Lv, Ying Cao, Hua Wang, Hsiang-Fu Kung, Jian-Xin Pang, Wei-Ming Fu, Jin-Fang Zhang
Hpn is a small histidine-rich cytoplasmic protein from Helicobacter pylori and has been recognized as a high-risk factor for several cancers including gastric cancer, colorectal cancer, and MALT lymphoma. However, the relationship between Hpn and cancers remains elusive. In this study, we discovered that Hpn protein effectively suppressed cell growth and induced apoptosis in hepatocellular carcinoma (HCC). A two-dimensional gel electrophoresis and mass spectrometry-based comparative proteomics was performed to find the molecular targets of Hpn in HCC cells...
May 18, 2017: Proteomics
https://www.readbyqxmd.com/read/28523307/mir-149-rs2292832-c-t-polymorphism-and-risk-of-gastric-cancer
#20
Raluca Alexandra Cîmpeanu, Dragoş Marian Popescu, Florin Burada, Mihai Gabriel Cucu, Dan IonuŢ Gheonea, Mihai Ioana, Ion Rogoveanu
Accumulating evidence that microRNA (miRNA) genes are involved in different processes associated with gastric carcinogenesis. The polymorphisms located on miRNA sequences may affect the interaction with their target messenger RNAs (mRNAs) and, consequently, genetic susceptibility to disease. The aim of our study was to investigate the association of miR-149 rs2292832 C>T polymorphism and gastric cancer susceptibility in Romanian patients. A total of 142 patients with gastric adenocarcinoma and 288 healthy controls were included in this study...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
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