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Gastric Cancer

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https://read.qxmd.com/read/30758761/internal-hernia-after-gastrectomy-for-gastric-cancer-in-minimally-invasive-surgery-era
#1
Kyong Min Kang, Yo Seok Cho, Sa-Hong Min, Yoontaek Lee, Ki Bum Park, Young Suk Park, Sang-Hoon Ahn, Do Joong Park, Hyung-Ho Kim
BACKGROUND: The incidence and clinical presentation of internal hernia after gastrectomy have been changing in the minimally invasive surgery era. This study aimed to analyze the clinical features and risk factors for internal hernia after gastrectomy for gastric cancer. METHODS: We retrospectively analyzed internal hernia after gastrectomy for gastric cancer in 6474 patients between January 2003 and December 2016 at Seoul National University Bundang Hospital. Multivariable logistic regression was performed to evaluate risk factors...
February 13, 2019: Gastric Cancer
https://read.qxmd.com/read/30756200/identification-of-early-genetic-changes-in-well-differentiated-intramucosal-gastric-carcinoma-by-target-deep-sequencing
#2
Takashi Yoshida, Tatsuya Yamaguchi, Shinya Maekawa, Shinichi Takano, Toru Kuno, Keisuke Tanaka, Fumihiko Iwamoto, Yuya Tsukui, Shoji Kobayashi, Yukiko Asakawa, Hiroko Shindo, Mitsuharu Fukasawa, Yasuhiro Nakayama, Taisuke Inoue, Tomoyoshi Uetake, Masahiko Ohtaka, Tadashi Sato, Kunio Mochizuki, Nobuyuki Enomoto
BACKGROUND AND AIMS: The recent advancement of next-generation sequencing (NGS) has enabled the identification of cancer-related somatic aberrations in advanced gastric cancer. However, these remain unclear in early gastric cancers, especially in intramucosal gastric cancers. PATIENTS AND METHODS: Thirty-one well-differentiated (tub1) intramucosal gastric cancers obtained by endoscopic submucosal dissection (ESD) from 29 patients were analyzed. After precise collection of tumors and non-tumors from formalin-fixed paraffin-embedded tissues using laser-captured microdissection (LCM), target sequencing analysis of 50 cancer-related genes was performed using an Ion-Proton sequencer...
February 11, 2019: Gastric Cancer
https://read.qxmd.com/read/30739259/the-predictive-value-of-the-preoperative-c-reactive-protein-albumin-ratio-for-early-recurrence-and-chemotherapy-benefit-in-patients-with-gastric-cancer-after-radical-gastrectomy-using-randomized-phase-iii-trial-data
#3
Bin-Bin Xu, Jun Lu, Zhi-Fang Zheng, Jian-Wei Xie, Jia-Bin Wang, Jian-Xian Lin, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Ze-Ning Huang, Ju-Li Lin, Chao-Hui Zheng, Chang-Ming Huang, Ping Li
BACKGROUND: The definition and predictors of early recurrence (ER) for gastric cancer (GC) patients after radical gastrectomy are unclear. METHODS: A minimum-p value approach was used to evaluate the optimal cutoff value of recurrence-free survival to determine ER and late recurrence (LR). Receiver operating characteristic curves were generated for inflammatory indices. Potential risk factors for ER were assessed with a Cox regression model. A decision curve analysis was performed to evaluate the clinical utility...
February 9, 2019: Gastric Cancer
https://read.qxmd.com/read/30726523/identification-of-different-gene-expressions-between-diffuse-and-intestinal-type-spheroid-forming-gastric-cancer-cells
#4
Jong Won Lee, Jae Sook Sung, Young Soo Park, Seok Chung, Yeul Hong Kim
BACKGROUND: Three-dimensional in vitro spheroid models are unique because they are considered for enrichment of specific cell populations with self-renewal ability. In this study, we explored the different mechanisms of gastric cancer spheroid-forming cells according to the Lauren classification. METHODS: We isolated and enriched cells with self-renewal ability using spheroid-forming methods from gastric cancer cell lines. The expression of candidate target genes was investigated using western blot and qRT-PCR analysis...
February 6, 2019: Gastric Cancer
https://read.qxmd.com/read/30706247/biomarker-analysis-of-the-gatsby-study-of-trastuzumab-emtansine-versus-a-taxane-in-previously-treated-her2-positive-advanced-gastric-gastroesophageal-junction-cancer
#5
Manish A Shah, Yoon-Koo Kang, Peter C Thuss-Patience, Atsushi Ohtsu, Jaffer A Ajani, Eric Van Cutsem, Silke Hoersch, Marie-Laurence Harle-Yge, Sanne Lysbet de Haas
BACKGROUND: Prespecified exploratory biomarker analyses of the phase II/III GATSBY study (NCT01641939) assessed whether patient subgroups experienced a survival benefit from trastuzumab emtansine (T-DM1) versus taxane therapy, and to advance understanding of HER2-positive advanced gastric/gastroesophageal junction cancer (AGC) disease biology. METHODS: Adults with HER2-positive AGC whose disease progressed during/after first-line therapy were enrolled and randomized to receive T-DM1 [Stage 1: 3...
January 31, 2019: Gastric Cancer
https://read.qxmd.com/read/30656427/mir-6872-host-gene-sema3b-and-its-antisense-lncrna-sema3b-as1-function-synergistically-to-suppress-gastric-cardia-adenocarcinoma-progression
#6
Wei Guo, Xiaoliang Liang, Lei Liu, Yanli Guo, Supeng Shen, Jia Liang, Zhiming Dong
BACKGROUND: Semaphorin 3B (SEMA3B) is frequently inactivated in several carcinomas. However, as the host gene of miR-6872, the roles of SEMA3B, antisense lncRNA SEMA3B-AS1, and miR-6872 in gastric cardia adenocarcinoma (GCA) tumorigenesis have not been clarified. METHODS: The expression levels of SEMA3B, SEMA3B-AS1, and miR-6872 were respectively detected by qRT-PCR, western blot, or immunohistochemical staining assays. The methylation status was determined by BGS and BS-MSP methods...
January 17, 2019: Gastric Cancer
https://read.qxmd.com/read/30631987/correction-to-consensus-on-the-pathological-definition-and-classification-of-poorly-cohesive-gastric-carcinoma
#7
C Mariette, F Carneiro, H I Grabsch, R S van der Post, W Allum, Giovanni de Manzoni
The authors would like to correct the error in the publication of the original article. The surname and given names of the authors were swapped in the "Acknowledgements". The corrected detail is given below.
January 10, 2019: Gastric Cancer
https://read.qxmd.com/read/30627987/predictive-factors-for-hyperprogressive-disease-during-nivolumab-as-anti-pd1-treatment-in-patients-with-advanced-gastric-cancer
#8
Akinori Sasaki, Yoshiaki Nakamura, Saori Mishima, Akihito Kawazoe, Yasutoshi Kuboki, Hideaki Bando, Takashi Kojima, Toshihiko Doi, Atsushi Ohtsu, Takayuki Yoshino, Takeshi Kuwata, Tetsuo Akimoto, Kohei Shitara
BACKGROUND: Hyperprogressive disease (HPD) during treatment with anti-programmed death-1/programmed death-ligand 1 monoclonal antibodies has anecdotally been reported in some types of cancers, but is not well-characterized in patients with advanced gastric cancer (AGC). METHODS: Total 62 AGC patients treated with nivolumab in a single institution from September 2017 to April 2018 were enrolled in this study. Tumor responses were assessed according to Response Evaluation Criteria in Solid Tumors version 1...
January 9, 2019: Gastric Cancer
https://read.qxmd.com/read/30617648/predictive-value-of-mlh1-and-pd-l1-expression-for-prognosis-and-response-to-preoperative-chemotherapy-in-gastric-cancer
#9
Tadayoshi Hashimoto, Yukinori Kurokawa, Tsuyoshi Takahashi, Yasuhiro Miyazaki, Koji Tanaka, Tomoki Makino, Makoto Yamasaki, Kiyokazu Nakajima, Jun-Ichiro Ikeda, Masaki Mori, Yuichiro Doki
BACKGROUND: Microsatellite instability (MSI) and programmed death-ligand 1 (PD-L1) are candidate predictors for the response to immune checkpoint inhibitors, and may predict chemotherapy sensitivity. We investigated the simultaneous expression of mutL homolog 1 (MLH1), a mismatch repair gene, and PD-L1 in gastric cancers. METHODS: We examined MLH1 and PD-L1 expression in surgical specimens from 285 gastric cancer patients treated with or without preoperative chemotherapy, and assessed the relation between expression results and both histological response and recurrence-free survival (RFS)...
January 8, 2019: Gastric Cancer
https://read.qxmd.com/read/30612230/a-novel-tnm-staging-system-for-gastric-cancer-based-on-the-metro-ticket-paradigm-a-comparative-study-with-the-ajcc-tnm-staging-system
#10
Jun Lu, Zhi-Fang Zheng, Wei Wang, Jian-Wei Xie, Jia-Bin Wang, Jian-Xian Lin, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Zhi-Wei Zhou, Chang-Ming Huang, Chao-Hui Zheng, Ping Li
BACKGROUND: The metro-ticket prognostic tool for hepatocellular carcinoma has been proven to predict outcome, but a similar concept has not been investigated for GC. The objective of the current study was to apply the principles of the metro-ticket paradigm to develop a novel TNM staging system (nTNM) for gastric cancer (GC). METHODS: The nTNM considered the distance from the origin on a Cartesian plane incorporating the pN (x-axis) and pT (y-axis) stages. GC patients undergoing radical resection at Fujian Medical University Union Hospital (FMUUH) (n = 4267) were included...
January 5, 2019: Gastric Cancer
https://read.qxmd.com/read/30603913/prospective-feasibility-study-for-single-tracer-sentinel-node-mapping-by-icg-indocyanine-green-fluorescence-and-osna-one-step-nucleic-acid-amplification-assay-in-laparoscopic-gastric-cancer-surgery
#11
Yoshiaki Shoji, Koshi Kumagai, Satoshi Kamiya, Satoshi Ida, Souya Nunobe, Manabu Ohashi, Shoichi Yoshimizu, Yusuke Horiuchi, Toshiyuki Yoshio, Akiyoshi Ishiyama, Toshiaki Hirasawa, Tomo Osako, Noriko Yamamoto, Junko Fujisaki, Takeshi Sano, Naoki Hiki
BACKGROUND: The double-tracer method has been established for sentinel node (SN) mapping in gastric cancer surgery. However, there remain several unresolved issues that prevent its widespread use in clinical practice. In this study, we aimed to demonstrate the feasibility of single-tracer SN mapping in laparoscopic surgery for gastric cancer, using indocyanine green (ICG) fluorescence imaging with a one-step nucleic acid amplification (OSNA) assay intraoperatively. METHODS: Patients with clinical T1N0M0 gastric adenocarcinoma preoperatively were considered for inclusion if they had a single primary lesion 4 cm or less in maximal diameter...
January 3, 2019: Gastric Cancer
https://read.qxmd.com/read/30603912/gastric-lymphatic-flows-may-change-before-and-after-endoscopic-submucosal-dissection-in-vivo-porcine-survival-models
#12
Kyoko Nohara, Osamu Goto, Hiroya Takeuchi, Motoki Sasaki, Tadateru Maehata, Naohisa Yahagi, Yuko Kitagawa
BACKGROUND AND STUDY AIM: Standard gastrectomy with lymphadenectomy is recommended following endoscopic submucosal dissection (ESD) due to the risk of lymph-node metastasis for resected cancers. However, when lymphatic flows remain unchanged after ESD, a minimally invasive function-preserving surgery based on the sentinel node (SN) concept may be applicable. In this study, using porcine survival models, we aimed to investigate whether gastric lymphatic flows were modified following ESD...
January 2, 2019: Gastric Cancer
https://read.qxmd.com/read/30603911/association-between-ugt1a1-gene-polymorphism-and-safety-and-efficacy-of-irinotecan-monotherapy-as-the-third-line-treatment-for-advanced-gastric-cancer
#13
Toshifumi Yamaguchi, Satoru Iwasa, Hirokazu Shoji, Yoshitaka Honma, Atsuo Takashima, Ken Kato, Tetsuya Hamaguchi, Kazuhide Higuchi, Narikazu Boku
BACKGROUND: While uridine diphosphate glucuronosyltransferase (UGT) 1A1 is a key enzyme in the metabolism of irinotecan, relationship between UGT1A1 genotype and safety and efficacy of irinotecan monotherapy in patients with advanced gastric cancer is not clarified. METHODS: Efficacy and safety in advanced gastric cancer patients, who were tested for UGT1A1*6 and *28 genotype and treated with irinotecan monotherapy as third-line treatment from 2009 to 2014, were evaluated according to the UGT1A1*6 and *28 genotypes...
January 2, 2019: Gastric Cancer
https://read.qxmd.com/read/30603910/unequal-burden-of-mortality-from-gastric-cancer-in-brazil-and-its-regions-2000-2015
#14
Lucia Libanez Bessa Campelo Braga, Alberto Novaes Ramos, Manuel Bonfim Braga Neto, Anderson Fuentes Ferreira, Dulciene Maria Magalhães Queiroz, Danielle Calheiros Campelo Maia, Carlos Henrique Alencar, Jorg Heukelbach
BACKGROUND: Gastric cancer (GC) is an important cause of morbidity and mortality worldwide. However, population-based data on GC mortality dynamics in low and middle income countries are scarce. METHODS: We analyzed GC mortality in Brazil based on all GC-related deaths registered 2000-2015. RESULTS: A total of 17,374,134 deaths were recorded, with GC identified in 214,808 (1.24%) cases-203,941 (94.9%) as underlying cause, and 10,867 (5.1%) as associated cause of death...
January 2, 2019: Gastric Cancer
https://read.qxmd.com/read/30603909/genome-wide-long-non-coding-rnas-identified-a-panel-of-novel-plasma-biomarkers-for-gastric-cancer-diagnosis
#15
Rui Zheng, Jiayuan Liang, Jiafei Lu, Shuwei Li, Gang Zhang, Xiaowei Wang, Mengting Liu, Weizhi Wang, Haiyan Chu, Guoquan Tao, Qinghong Zhao, Meilin Wang, Mulong Du, Fulin Qiang, Zhengdong Zhang
BACKGROUND: Although long non-coding RNAs (lncRNAs) are regarded as useful plasma-based biomarkers for cancer detection, the potential diagnostic value of lncRNAs in gastric cancer (GC) remains unclear. METHODS: To screen promising lncRNAs biomarkers for GC, we performed genome-wide lncRNA microarray assay between five GC cases plasma and matched healthy controls plasma. The expression of candidate plasma-related lncRNAs were validated in two-phase validation of 446 subjects...
January 2, 2019: Gastric Cancer
https://read.qxmd.com/read/30564932/outcomes-of-endoscopic-submucosal-dissection-for-gastric-epithelial-neoplasm-in-chronic-kidney-disease-patients-propensity-score-matched-case-control-analysis-methodological-and-statistical-issues
#16
LETTER
https://read.qxmd.com/read/30560475/long-term-outcomes-and-prognostic-factors-with-non-curative-endoscopic-submucosal-dissection-for-gastric-cancer-in-elderly-patients-aged-%C3%A2-75-years
#17
Yosuke Toya, Masaki Endo, Shotaro Nakamura, Risaburo Akasaka, Shunichi Yanai, Keisuke Kawasaki, Keisuke Koeda, Makoto Eizuka, Yasuko Fujita, Noriyuki Uesugi, Kazuyuki Ishida, Tamotsu Sugai, Takayuki Matsumoto
BACKGROUND: Little is known about the long-term outcomes and prognostic factors with non-curative endoscopic submucosal dissection (ESD) in elderly patients with early gastric cancer. METHODS: Clinicopathological findings and long-term outcomes were evaluated in 87 patients with early gastric cancer (EGC) aged ≥ 75 years who were treated with non-curative ESD. Prognostic factors for overall survival (OS) were analyzed with the Kaplan-Meier method and a Cox proportional hazards model...
December 17, 2018: Gastric Cancer
https://read.qxmd.com/read/30560474/prognostic-and-clinicopathological-significance-of-long-noncoding-rna-ctd-2510f5-4-in-gastric-cancer
#18
Zhe Wang, Baoli Qin
BACKGROUND: Compelling studies have demonstrated the correlation between aberrant expressed lncRNAs and human cancers, and revealed promise of these lncRNAs as biomarkers in predicting patients' survival and outcome. METHODS: We downloaded the RNA-seq data from the Cancer Genome Atlas, and screened out DEGs and DELs between gastric cancer tissues and normal gastric tissues. By bioinformatics analysis, we identified CTD-2510F5.4 was a malignant phenotype associated lncRNA...
December 17, 2018: Gastric Cancer
https://read.qxmd.com/read/30542785/genetic-analysis-of-a-case-of-helicobacter-pylori-uninfected-intramucosal-gastric-cancer-in-a-family-with-hereditary-diffuse-gastric-cancer
#19
Taro Funakoshi, Shin'ichi Miyamoto, Nobuyuki Kakiuchi, Mitsuhiro Nikaido, Takeshi Setoyama, Akira Yokoyama, Takahiro Horimatsu, Atsushi Yamada, Masako Torishima, Shinji Kosugi, Hidetaka Yamada, Haruhiko Sugimura, Hironori Haga, Yoshiharu Sakai, Seishi Ogawa, Hiroshi Seno, Manabu Muto, Tsutomu Chiba
Germline mutations in CDH1, encoding E-cadherin, are known to be the causative mechanism of hereditary diffuse gastric cancer (HDGC). We encountered two cases of gastric cancer in a Japanese family with HDGC. A 28-year-old man (Case 1) died of advanced gastric cancer. His younger sister aged 27 (Case 2) was diagnosed with intramucosal signet ring cell carcinoma (SRCC). Both had identical germline CDH1 mutations, but Case 1 was positive for Helicobacter pylori infection, whereas Case 2 was negative. Case 2 underwent total gastrectomy...
December 12, 2018: Gastric Cancer
https://read.qxmd.com/read/30539321/surgical-risk-and-benefits-of-laparoscopic-surgery-for-elderly-patients-with-gastric-cancer-a-multicenter-prospective-cohort-study
#20
Michitaka Honda, Hiraku Kumamaru, Tsuyoshi Etoh, Hiroaki Miyata, Yuichi Yamashita, Kazuhiro Yoshida, Yasuhiro Kodera, Yoshihiro Kakeji, Masafumi Inomata, Hiroyuki Konno, Yasuyuki Seto, Seigo Kitano, Masahiko Watanabe, Naoki Hiki
BACKGROUND: Laparoscopic gastrectomy (LG) might have greater clinical benefits for elderly patients as less invasive surgery; however, there is still little evidence to support its benefit. We evaluated the surgical outcomes of elderly patients in a nationwide prospective cohort study. METHODS: One hundred and sixty-nine participating institutions were identified by stratified random sampling, and were adjusted for hospital volume, type and location. During 1 year from 2014 to 2015, consecutive patients who underwent gastrectomy for gastric cancer were prospectively enrolled...
December 11, 2018: Gastric Cancer
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