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https://www.readbyqxmd.com/read/28641313/evaluation-of-serum-microrna-biomarkers-for-gastric-cancer-based-on-blood-and-tissue-pools-profiling-the-importance-of-mir-21-and-mir-331
#1
Marek Sierzega, Marcin Kaczor, Piotr Kolodziejczyk, Jan Kulig, Marek Sanak, Piotr Richter
BACKGROUND: High stability and disease-specific disarrangements suggest that microRNA molecules (miRNAs) present in body fluids are ideally suited for diagnostic applications, including gastric cancer (GC). However, the actual source of circulating miRNA biomarkers in GC has not been adequately evaluated, particularly in the Western populations that have some distinct characteristics compared with Asian patients. METHODS: Twenty treatment-naive patients with GC along with 20 cancer-free controls were recruited...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641226/evaluation-of-trace-element-concentration-in-cancerous-and-non-cancerous-tissues-of-human-stomach
#2
Shadi Kohzadi, Farshad Sheikhesmaili, Ramesh Rahehagh, Baran Parhizkar, Ebrahim Ghaderi, Hozan Loqmani, Behzad Shahmoradi, Ebrahim Mohammadi, Afshin Maleki
Gastric cancer has a high mortality rate in west of Iran. Various environmental elements are proposed as cancer risk factors including trace elements. Trace elements can induce initiation or progression of carcinogenesis via oxidative stress and DNA injury. The aim of this study was to measure and compare some trace element concentration (Ca, Cu, Fe, As, Mg, Ni, Cd and Cr) in gastric cancer tissues and normal tissues. For this purpose, 35 patients with gastric cancer and 30 without any cancer were biopsied...
June 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28637065/evaluation-of-an-e-learning-system-for-diagnosis-of-gastric-lesions-using-magnifying-narrow-band-imaging-a-multicenter-randomized-controlled-study
#3
Hiroyoshi Nakanishi, Hisashi Doyama, Hideki Ishikawa, Noriya Uedo, Takuji Gotoda, Mototsugu Kato, Shigeaki Nagao, Yasuaki Nagami, Hiroyuki Aoyagi, Atsushi Imagawa, Junichi Kodaira, Shinya Mitsui, Nozomu Kobayashi, Manabu Muto, Hajime Takatori, Takashi Abe, Masahiko Tsujii, Jiro Watari, Shuhei Ishiyama, Ichiro Oda, Hiroyuki Ono, Kazuhiro Kaneko, Chizu Yokoi, Tetsuya Ueo, Kunihisa Uchita, Kenshi Matsumoto, Takashi Kanesaka, Yoshinori Morita, Shinichi Katsuki, Jun Nishikawa, Katsuhisa Inamura, Tetsu Kinjo, Katsumi Yamamoto, Daisuke Yoshimura, Hiroshi Araki, Hiroshi Kashida, Ayumu Hosokawa, Hirohito Mori, Haruhiro Yamashita, Osamu Motohashi, Kazuhiko Kobayashi, Michiaki Hirayama, Hiroyuki Kobayashi, Masaki Endo, Hiroo Yamano, Kazunari Murakami, Tomoyuki Koike, Kingo Hirasawa, Youichi Miyaoka, Hidetaka Hamamoto, Takuto Hikichi, Norihiro Hanabata, Ryo Shimoda, Shinichiro Hori, Tadashi Sato, Shinya Kodashima, Hiroyuki Okada, Tomohiko Mannami, Shojiro Yamamoto, Yasumasa Niwa, Kazuo Yashima, Satoshi Tanabe, Hiro Satoh, Fumisato Sasaki, Tetsuro Yamazato, Yoshiou Ikeda, Hogara Nishisaki, Masahiro Nakagawa, Akio Matsuda, Fumio Tamura, Hitoshi Nishiyama, Keiko Arita, Keisuke Kawasaki, Kazushige Hoppo, Masashi Oka, Shinichi Ishihara, Michita Mukasa, Hiroaki Minamino, Kenshi Yao
Background and study aim Magnifying narrow-band imaging (M-NBI) is useful for the accurate diagnosis of early gastric cancer (EGC). However, acquiring skill at M-NBI diagnosis takes substantial effort. An Internet-based e-learning system to teach endoscopic diagnosis of EGC using M-NBI has been developed. This study evaluated its effectiveness. Participants and methods This study was designed as a multicenter randomized controlled trial. We recruited endoscopists as participants from all over Japan. After completing Test 1, which consisted of M-NBI images of 40 gastric lesions, participants were randomly assigned to the e-learning or non-e-learning groups...
June 21, 2017: Endoscopy
https://www.readbyqxmd.com/read/28637034/recovery-of-food-intake-after-gastrectomy-for-gastric-cancer-based-on-a-large-scale-gastric-cancer-cohort
#4
Bang Wool Eom, Jeongseon Kim, Deok Hee Kim, Young-Il Kim, Hong Man Yoon, Soo-Jeong Cho, Jong Yeul Lee, Chan Gyoo Kim, Il Ju Choi, Young-Woo Kim, Byung-Ho Nam, Keun Won Ryu
BACKGROUND: This study was aimed at evaluating the food intake and nutritional status of patients who underwent gastrectomy for gastric cancer based on a large-scale gastric cancer cohort. METHODS: An observational prospective cohort study for gastric cancer has been conducted since 2010. From the cohort data, we selected the data for patients who completed at least 2 days of 3-day diet diaries and who underwent subtotal gastrectomy (STG) or total gastrectomy (TG)...
June 22, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28637004/autophagy-is-required-for-crizotinib-induced-apoptosis-in-met-amplified-gastric-cancer-cells
#5
Rebecca D Schroeder, Woonyoung Choi, David S Hong, David J McConkey
MET amplification has been clinically credentialed as a therapeutic target in gastric cancer, but the molecular mechanisms underlying sensitivity and resistance to MET inhibitors are still not well understood. Using whole-genome mRNA expression profiling, we identified autophagy as a top molecular pathway that was activated by the MET inhibitor crizotinib in drug-sensitive human gastric cancer cells, and functional studies confirmed that crizotinib increased autophagy levels in the drug-sensitive cells in a concentration-dependent manner...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636989/satb1-overexpression-correlates-with-gastrointestinal-neoplasms-invasion-and-metastasis-a-meta-analysis-for-chinese-population
#6
Tao Xiao, Lei Fu, Zhigang Jie
BACKGROUND: Gastrointestinal neoplasm (GIN) is the most common neoplasm in China. The global chromatin organizer SATB1 (special AT-rich sequence binding protein 1) is aberrantly expressed in multiple human neoplasms. We conducted this meta-analysis to investigate whether the invasion and metastasis of GIN correlates with SATB1 levels in tumor tissues in Chinese patients. MATERIALS AND METHODS: Eligible studies were identified through multiple search strategies in the databases PubMed, Embase, Medline, CNKI, and WANFANG, and the relevant clinicopathological data were extracted...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636538/phase-i-dose-escalation-study-of-the-c-met-tyrosine-kinase-inhibitor-sar125844-in-asian-patients-with-advanced-solid-tumors-including-patients-with-met-amplified-gastric-cancer
#7
Kohei Shitara, Tae Min Kim, Tomoya Yokota, Masahiro Goto, Taroh Satoh, Jin-Hee Ahn, Hyo Song Kim, Sylvie Assadourian, Corinne Gomez, Marzia Harnois, Satoshi Hamauchi, Toshihiro Kudo, Toshihido Doi, Yung-Jue Bang
SAR125844 is a potent and selective inhibitor of the c-Met kinase receptor. This was an open-label, phase I, multicenter, dose-escalation, and dose-expansion trial of SAR125844 in Asian patients with solid tumors, a subgroup of whom had gastric cancer and MET amplification (NCT01657214). SAR125844 was administered by intravenous infusion (260-570 mg/m2) on days 1, 8, 15, and 22 of each 28-day cycle. Objectives were to determine the maximum tolerated dose (MTD) and to evaluate SAR125844 safety and pharmacokinetic profile...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635950/genetically-predicted-high-body-mass-index-was-associated-with-increased-gastric-cancer-risk
#8
Yingying Mao, Caiwang Yan, Qun Lu, Meng Zhu, Fei Yu, Cheng Wang, Juncheng Dai, Hongxia Ma, Zhibin Hu, Hongbing Shen, Guangfu Jin
Epidemiological studies have linked body mass index (BMI) with risk of gastrointestinal cancers. However, for gastric cancer, the relationship is more controversial. In particular, it is unclear whether the observed association is due to confounding or bias inherent in conventional observational studies. To investigate whether BMI is causally associated with gastric cancer risk, we applied Mendelian randomization using individual-level data from 2631 gastric cancer cases and 4373 cancer-free controls. We derived a weighted genetic risk score (wGRS) using 37 BMI-associated genetic variants as an instrumental variable...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635220/-the-bisphenol-a-enhanced-activity-of-thyroid-carcinoma-cell-line-b-cpap-is-inhibited-by-icarrin
#9
C M Zheng, X Z Liu, Q L Li, J F Wang, Z Tan, M H Ge
Objective: To investigate the effect of icariin (ICA) on the bisphenol A (BPA)-enhanced proliferation function of thyroid carcinoma cell B-CPAP and underlying mechanism. Methods: The proliferation of Gastric B-CPAP cell line was evaluated by cell counting kit-8 (CCK-8). Apoptosis and ROS expression in B-CPAP cells were detected by flow cytometry. The expression of superoxide dismutase (SOD) and malondialdehyde (MDA) in B-CPAP cells were measured by individual assay kits. The expressions of Bcl-2 and γ-HA2X were detected by Western blot...
June 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28635173/laparoscopic-surgery-for-sigmoid-colon-cancer-after-multiple-operations-including-urinary-diversion-with-indiana-pouch-a-case-report
#10
Kazuya Iwamoto, Hidekazu Takahashi, Naotsugu Haraguchi, Junichi Nishimura, Taishi Hata, Chu Matsuda, Hirofumi Yamamoto, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
A 73-year-old man with lower abdominal pain was diagnosed at our hospital with sigmoid colon cancer. He had previously undergone radical cystectomy with Indiana pouch construction and gastrectomy to treat bladder cancer and gastric cancer, respectively. We performed a laparoscopic Hartmann's operation with Japanese D3 lymph node dissection. We observed severe adhesion in the abdominal cavity; adhesions between the urostomy and sigmoid colon were particularly severe. The tumor had invaded to the distal rectum, which had adhered to the pubic bone and the previously reconstructed urinary pouch...
June 21, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28634748/exposure-response-relationship-of-ramucirumab-in-east-asian-patients-from-rainbow-a-randomized-clinical-trial-in-second-line-treatment-of-gastric-cancer
#11
Tae You Kim, Chia-Jui Yen, Salah-Eddin Al-Batran, David Ferry, Ling Gao, Yanzhi Hsu, Rebecca Cheng, Mauro Orlando, Atsushi Ohtsu
BACKGROUND: Ramucirumab is a recombinant human IgG1 neutralizing monoclonal antibody specific for vascular endothelial growth factor receptor-2. Second-line ramucirumab, in conjunction with paclitaxel (ramucirumab 8 mg/kg or placebo in combination with 80 mg/m(2) paclitaxel), has been shown to be effective and safe in patients with advanced gastric or gastroesophageal junction (GEJ) adenocarcinoma in RAINBOW, a global phase III randomized clinical trial. We conducted an exploratory exposure-response analysis of efficacy and safety of ramucirumab in East Asian patients from the RAINBOW trial...
June 20, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28634671/venous-thromboembolism-is-an-independent-predictor-of-mortality-among-patients-with-gastric-cancer
#12
Harry E Fuentes, D M Oramas, L H Paz, Y Wang, X A Andrade, A J Tafur
BACKGROUND: Venous thromboembolism (VTE) is an independent predictor of death among patients with cancer. Patients with gastric cancer (GC) are at higher risk for VTE when compared to other solid tumors, and if one considers its prevalence, GC may be responsible for one of the highest incidences of cancer-associated thrombosis. The impact of VTE on mortality is not well defined among patients with GC. AIM: The aim of this study is to measure the impact of VTE as independent predictor of GC mortality...
June 21, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28634044/mir-218-suppresses-gastric-cancer-cell-cycle-progression-through-the-cdk6-cyclin-d1-e2f1-axis-in-a-feedback-loop
#13
Min Deng, Chao Zeng, Xihong Lu, Xiusheng He, Ruixin Zhang, Qinwei Qiu, Guopei Zheng, Xiaoting Jia, Hao Liu, Zhimin He
Studies in several cancers have suggested that miR-218 has anti-tumor activities, but its function is yet to be elucidated. In this study, we investigated the regulation and function of miR-218 (miR-218-5p) in the cell cycle progression of gastric cancer (GC). We found that miR-218 could suppress proliferation of gastric cancer cells, induce cell cycle arrest at the G1 phase and inhibit tumor growth and metastasis in vivo. We also demonstrated that miR-218 specifically targeted the 3'-UTR regions of CDK6 and cyclin D1 and inhibited the expression of these molecules, which in turn repressesed the pRb/E2F1 signaling pathway...
June 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28633547/lipid-based-nanosystem-of-edaravone-development-optimization-characterization-and-in-vitro-in-vivo-evaluation
#14
Ankit Parikh, Krishna Kathawala, Chun Chuan Tan, Sanjay Garg, Xin-Fu Zhou
Edaravone (EDR) is a well-recognized lipophilic free radical scavenger for diseases including neurodegenerative disease, cardiovascular disease, and cancer. However, its oral use is restricted due to poor oral bioavailability (BA). The aim of present research was to enable its oral use by developing a lipid-based nanosystem (LNS). The components of LNS including oil, surfactants, and co-surfactants were selected based on their potential to maximize the solubilization in gastrointestinal (GI) fluids, reduce its glucuronidation and improve transmembrane permeability...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28632723/mir-646-inhibited-cell-proliferation-and-emt-induced-metastasis-by-targeting-foxk1-in-gastric-cancer
#15
P Zhang, W M Tang, H Zhang, Y Q Li, Y Peng, J Wang, G N Liu, X T Huang, J J Zhao, G Li, A M Li, Y Bai, Y Chen, Y X Ren, G X Li, Y D Wang, S D Liu, J D Wang
BACKGROUND: MiR-646 has been reported to be aberrantly expressed in human cancers. However, the underlying molecular mechanisms of action of miR-646 in gastric cancer (GC) have not yet been investigated. METHODS: In vitro function of miR-646 in GC was evaluated using EdU assay, plate colony formation assay, and matrigel invasion assay. Real-time PCR or western blotting was performed to detect miR-646 and FOXK1 expressions. In vivo tumour growth and metastasis were conducted in nude mice...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28632135/evaluation-of-the-branched-chain-amino-acid-to-tyrosine-ratio-prior-to-treatment-as-a-prognostic-predictor-in-patients-with-liver-cirrhosis
#16
Toru Ishikawa, Michitaka Imai, Masayoshi Ko, Hiroki Sato, Yujiro Nozawa, Tomoe Sano, Akito Iwanaga, Keiichi Seki, Terasu Honma, Toshiaki Yoshida
This study evaluated whether the branched-chain amino acid-to-tyrosine ratio (BTR) is a prognostic predictive factor in patients with liver cirrhosis by determining the relationship of the BTR with event-free survival in a retrospective, observational cohort study. The medical records of patients with liver cirrhosis who visited our institution from February 2000 to May 2012 were examined. Events due to liver cirrhosis were defined as death, worsening of esophageal and/or gastric varices, hepatocellular carcinoma, and liver failure...
June 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28631728/acg-and-cag-clinical-guideline-management-of-dyspepsia
#17
Paul M Moayyedi, Brian E Lacy, Christopher N Andrews, Robert A Enns, Colin W Howden, Nimish Vakil
We have updated both the American College of Gastroenterology (ACG) and the Canadian Association of Gastroenterology (CAG) guidelines on dyspepsia in a joint ACG/CAG dyspepsia guideline. We suggest that patients ≥60 years of age presenting with dyspepsia are investigated with upper gastrointestinal endoscopy to exclude organic pathology. This is a conditional recommendation and patients at higher risk of malignancy (such as spending their childhood in a high risk gastric cancer country or having a positive family history) could be offered an endoscopy at a younger age...
June 20, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28631563/prognostic-significance-of-glutathione-peroxidase-2-in-gastric-carcinoma
#18
Dongzhe Liu, Liang Sun, Jinxue Tong, Xiuhui Chen, Hui Li, Qifan Zhang
Increasing evidence suggests that the glutathione peroxidase 2 may actually play important roles in tumorigenesis and progression in various human cancers such as colorectal carcinomas and lung adenocarcinomas. However, the role of glutathione peroxidase 2 in gastric carcinoma remains to be determined. In this study, the expression and prognostic significance of glutathione peroxidase 2 in gastric carcinoma were investigated and the well-known prognostic factor Ki-67 labeling index was also assessed as positive control...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28631561/proinflammatory-follicular-helper-t-cells-promote-immunoglobulin-g-secretion-suppress-regulatory-b-cell-development-and-correlate-with-worse-clinical-outcomes-in-gastric-cancer
#19
Hong Zhang, Rongxi Yue, Pengfei Zhao, Xuetao Yu, Junguo Li, Guoqing Ma, Jiahong Tang, Lixin Zhang, Liying Feng, Lidong Sun, Zongchang Song, Chunliang Guo, Ning Wang
Gastric cancer is one of the most common and aggressive malignancies. Both bacterial virulence factors and host chronic inflammation are thought to promote gastric cancer development. In this study, we investigated the potential involvement of follicular helper T cells in gastric cancer. Functions of follicular helper T subsets were examined in Helicobacter pylori-infected gastric cancer patients and H. pylori-infected but asymptomatic individuals. We found that the follicular helper T cells in gastric cancer individuals were skewed toward the Th1 and Th17 subsets compared to those in H...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28631555/grik3-a-novel-oncogenic-protein-related-to-tumor-tnm-stage-lymph-node-metastasis-and-poor-prognosis-of-gc
#20
Baocheng Gong, Yuan Li, Zhenguo Cheng, Pengliang Wang, Lei Luo, Hanwei Huang, Shijie Duan, Funan Liu
Glutamate receptor, ionotropic, kainate 3 (GRIK3), as a member of the glutamate kainate receptor family, mainly participated in neuroactive ligand receptor interaction pathway. Other members of GRIK family were previously reported to regulate cellular migration, transformation, and proliferation in tumor. However, the mechanism of GRIK3 in tumor is still unclear. Therefore, the purpose of our study was to reveal the expression and clinical significance of GRIK3 in gastric cancer (GC). First, we performed the expression analysis and survival analysis of GRIK3 using The Cancer Genome Atlas (TCGA) database, and the results showed that the GRIK3 expressed differentially between gastric cancer tissues and the adjacent normal tissues and that higher expression of GRIK3 was associated with poor survival outcomes...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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