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Early gastric cancer

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https://www.readbyqxmd.com/read/29148252/sex-hormone-binding-globulin-shbg-is-a-potential-early-diagnostic-biomarker-for-gastric-cancer
#1
Chao-Wen Cheng, Che-Chang Chang, Yudha Nur Patria, Ruei-Ting Chang, Yun-Ru Liu, Fu-An Li, Hsiu-Ming Shih, Ching-Yu Lin
The use of blood plasma biomarkers in gastric cancer (GC) management is limited due to a lack of reliable biomarkers. An LC-MS/MS assay and a bioinformatic analysis were performed to identify blood plasma biomarkers in a GC discovery cohort. The data obtained were verified and validated by western blotting and an ELISA in an independent study cohort. A label-free quantification analysis of the MS data using PEAKS7 software found that four plasma proteins of apolipoprotein C-1, gelsolin, sex hormone-binding globulin (SHBG), and complement component C4-A were significantly overexpressed in GC patients...
November 17, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29141593/bidirectional-alteration-of-cav-1-expression-is-associated-with-mitogenic-conversion-of-its-function-in-gastric-tumor-progression
#2
Byung-Kyu Ryu, Min-Goo Lee, Nam-Hoon Kim, Kil Yeon Lee, Shin-Ju Oh, Jung-Rock Moon, Hyo Jong Kim, Sung-Gil Chi
BACKGROUND: Expression of caveolin-1 (Cav-1) is frequently altered in many human cancers and both tumor suppression and promotion functions of Cav-1 have been suggested based on its expression status. However, it remains unanswered how Cav-1 provokes opposite effects in different cancers or different phases of tumor progression. METHODS: To explore the implication of Cav-1 alteration in gastric tumorigenesis, the expression and mutational status of Cav-1 and its effects on tumor cell growth were characterized...
November 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29137412/long-non-coding-rna-snhg15-inhibits-p15-and-klf2-expression-to-promote-pancreatic-cancer-proliferation-through-ezh2-mediated-h3k27me3
#3
Zhonghua Ma, Hesuyuan Huang, Jirong Wang, Yan Zhou, Fuxing Pu, Qinghong Zhao, Peng Peng, Bingqing Hui, Hao Ji, Keming Wang
Long non-coding RNA (lncRNA) is emerging as an critical regulator in multiple cancers, including pancreatic cancer (PC). Recently, lncRNA SNHG15 was found to be up-regulated in gastric cancer and hepatocellular carcinoma, exerting oncogenic effects. Nevertheless, the biological function and regulatory mechanism of SNHG15 remain unclear in pancreatic cancer (PC). In this study, we reported that SNHG15 expression was also upregulated in PC tissues, and its overexpression was remarkably associated with tumor size, tumor node metastasis (TNM) stage and lymph node metastasis in patients with PC...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135096/silibinin-promotes-the-apoptosis-of-gastric-cancer-bgc823-cells-through-caspase-pathway
#4
Runfang Li, Jianmin Yu, Chengjun Wang
PURPOSE: To investigate the effects of silibinin, a natural compound, on the proliferation and apoptosis of BGC-823 gastric cancer cell line and to figure out the relevant pathways. METHODS: BGC-823 gastric cancer cells were treated with silibinin at various concentrations (0,25,50,100,150 and 200μM). Zero μM was the control group and the other concentrations were defined as the experimental groups. The effects of silibinin on the proliferation of BGC-823 gastric cancer cells were explored through methylthiazolyldiphenyltetrazolium bromide (MTT)...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29133255/high-prevalence-of-barrett-s-esophagus-and-esophageal-squamous-cell-carcinoma-after-repair-of-esophageal-atresia
#5
Floor W T Vergouwe, Hanneke IJsselstijn, Katharina Biermann, Nicole S Erler, René M H Wijnen, Marco J Bruno, Manon C W Spaander
BACKGROUND & AIMS: Esophageal atresia is rare, but improved surgical and intensive care techniques have increased rates of survival in children, so there are now many adults with this disorder. Many patients with esophageal atresia develop gastroesophageal reflux (GER), raising concerns about increased risk of Barrett's esophagus (BE; prevalence of 1.3%-1.6% in general population) and esophageal carcinoma. We assessed the prevalence of BE and esophageal carcinoma in this population. METHODS: We performed a prospective study of 289 patients with esophageal atresia at the Department of Gastroenterology and Hepatology at Erasmus MC University Medical Center in The Netherlands, from May 2012 through March 2017...
November 10, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29130978/peritoneal-seeding-after-gastric-perforation-during-endoscopic-submucosal-dissection-for-gastric-cancer
#6
Motohiro Hirao, Takuya Yamada, Tomoki Michida, Kazuhiro Nishikawa, Takuya Hamakawa, Eiji Mita, Masayuki Mano, Mitsugu Sekimoto
BACKGROUND/AIMS: Since the risk of cancer cells seeding the peritoneum after perforation during endoscopic submucosal dissection (ESD) is unclear, we retrospectively examined peritoneal relapse after gastric perforation during ESD for gastric cancer at a single institution. METHODS: Of 876 patients who underwent ESD for early gastric cancer between January 2002 and December 2015, 22 patients (2.5%) experienced gastric perforation during ESD at the Osaka National Hospital in Osaka, Japan...
November 8, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/29130228/-valuation-and-prospect-of-function-preserving-gastrectomy
#7
Shuchang Wang, Site Yu, Jia Xu, Gang Zhao
Preserving gastric function and improving quality of life (QOL) is the tendency of surgery for early gastric cancer. Function preserving gastrectomy (FPG) is applied to modify the extent of surgery and to achieve better quality of life at the premise of radical resection. Pylorus-preserving gastrectomy is the most favorable approach of FPG with oncological safety, which can improve nutritional status and QOL via preserving pylorus and vagal nerve. Proximal gastrectomy is widely accepted as FPG for early upper 1/3 gastric cancer...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29130221/-development-and-progress-of-diagnosis-and-treatment-for-gastric-cancer-in-china-what-inspiration-we-gained-from-japan-and-korea
#8
Enhao Zhao, Hui Cao
The incidence of gastric cancer in East Asia is highest in the world. Level of screening and inspection in high risk population, diagnosis and treatment in early stage, standardized surgery, minimally invasive techniques and clinical research always reach the international lead. In the past few years, the surgeons and researchers from China have already made considerable progress by learning the experience from Japan and Korea. The early detection of gastric cancer increases annually, the minimally invasive surgeries including endoscopic or laparoscopic operations are widely used, the standard surgical procedure and lymphadenectomy are popularized, meanwhile the clinical research for gastric cancer has also started...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29129086/the-management-of-localized-esophageal-squamous-cell-carcinoma-western-approach
#9
Neeha Zaidi, Ronan J Kelly
Esophageal cancer remains a significant cause of cancer-related mortality worldwide and carries a poor prognosis both in the locally advanced and metastatic setting. Esophageal squamous cell carcinoma (ESCC) accounts for the majority of esophageal cancers globally, while esophageal adenocarcinoma (EAC) now predominates in the Western world. Historically, clinical trials have not separated the two histologic subtypes, with similar regimens being used for both. This, however, is changing with the recent publication by the Cancer Genome Atlas Research Group confirming that comprehensive analysis reveals ESCC demonstrates frequent genomic amplifications of CCND1 and SOX2 and/or TP63 and biologically are more like head and neck squamous cell carcinomas, whereas EACs strongly resemble the chromosomally unstable variant of gastric cancer...
October 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/29128564/epigenetic-mechanisms-of-atm-activation-after-helicobacter-pylori-infection
#10
Juliana Carvalho Santos, Rafael Zuppardo Gambeloni, Aline Tengan Roque, Sebastian Oeck, Marcelo Lima Ribeiro
Gastric cancer (GC) is the second leading cause of cancer-related mortality worldwide. The disease develops from the accumulation of several genetic and epigenetic changes. Among other risk factors, Helicobacter pylori infection is considered the main driving factor of GC development. H. pylori infection increases DNA damage levels and leads to epigenetic dysregulation, which may favor gastric carcinogenesis. An early step in double strand break repair is the recruitment of (ataxia-telangiectasia mutated serine/threonine kinase (ATM) to the damaged site, where it plays a key role in advancing the DNA damage checkpoint process...
November 8, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29127549/preservation-of-the-celiac-branch-of-the-vagal-nerve-for-pylorus-preserving-gastrectomy-is-it-meaningful
#11
Haruna Furukawa, Manabu Ohashi, Michitaka Honda, Koshi Kumagai, Souya Nunobe, Takeshi Sano, Naoki Hiki
BACKGROUND: Preserving the hepatic and pyloric branches of the vagal nerve in laparoscopic pylorus-preserving gastrectomy (LPPG) is considered necessary to maintain the function of the pyloric cuff. However, the clinical benefits of preservation of the celiac branch of the vagal nerve (CBVN) remain unclear. METHODS: Of 391 patients who underwent LPPG for early gastric cancer, 116 patients in whom the CBVN was preserved (CBP group) and 58 patients in whom it was not preserved (non-CBP group) were selected through the propensity score-matching method...
November 10, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29122604/clinical-predictors-of-histological-type-of-gastric-cancer
#12
Takashi Kanesaka, Takashi Nagahama, Noriya Uedo, Hisashi Doyama, Tetsuya Ueo, Kunihisa Uchita, Naohiro Yoshida, Yasuhito Takeda, Kentaro Imamura, Kurato Wada, Hideki Ishikawa, Kenshi Yao
BACKGROUND AND AIMS: Gastric cancer is classified into differentiated and undifferentiated types according to the degree of glandular differentiation. Undifferentiated-type early gastric cancer (EGC) carries a higher risk of lymph node metastasis than differentiated type, and the indication criteria for endoscopic resection thus differ. This study aimed to clarify the diagnostic abilities of clinical predictors to distinguish between differentiated-type and undifferentiated-type EGCs...
November 6, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29121872/diagnostic-and-prognostic-value-of-cea-ca19-9-afp-and-ca125-for-early-gastric-cancer
#13
Fan Feng, Yangzi Tian, Guanghui Xu, Zhen Liu, Shushang Liu, Gaozan Zheng, Man Guo, Xiao Lian, Daiming Fan, Hongwei Zhang
BACKGROUND: The diagnostic and prognostic significance of carcinoembryonic antigen (CEA), carbohydrate associated antigen 19-9 (CA19-9), alpha-fetoprotein (AFP) and cancer antigen 125 (CA125) in early gastric cancer have not been investigated yet. Thus, the present study aimed to explore the diagnostic and prognostic significance of the four tumor markers for early gastric cancer. METHODS: From September 2008 to March 2015, 587 early gastric cancer patients were given radical gastrectomy in our center...
November 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29110039/-endoscopic-and-surgical-treatment-of-early-gastric-and-esophageal-carcinoma
#14
REVIEW
T Haist, M Knabe, A May, D Lorenz
BACKGROUND: The treatment of early gastric (EGC) and esophageal carcinomas (EEC) is an interdisciplinary challenge. The risk of lymph node metastasis (LNM) is the crucial point in choosing the correct treatment option. OBJECTIVE: This article gives an overview of the current treatment options and provides help in choosing the correct therapy. METHOD: Current concepts and therapy algorithms are presented on the basis of a literature review and data from our own center...
November 6, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29109763/survivin-and-xiap-expression-in-distinct-tumor-compartments-of-surgically-resected-gastric-cancer-xiap-as-a-prognostic-marker-in-diffuse-and-mixed-type-adenocarcinomas
#15
Levent Dizdar, Monika Tomczak, Thomas A Werner, Sami A Safi, Jasmin C Riemer, Pablo E Verde, Nikolas H Stoecklein, Wolfram T Knoefel, Andreas Krieg
There is considerable evidence that the inhibitor of apoptosis protein (IAP) family serves a role in tumorigenesis. The most studied IAP family members, survivin and X-linked inhibitor of apoptosis (XIAP), have been demonstrated to serve as biomarkers in distinct tumor entities. Thus, the present study aimed to investigate the expression levels of both IAPs in the tumor center, invasion front and lymph node metastases of surgically resected gastric cancer (GC) specimens. Tissue microarrays containing samples from 201 primary GCs were analyzed...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29108339/consideration-of-clinicopathologic-features-improves-patient-stratification-for-multimodal-treatment-of-gastric-cancer
#16
In Cho, In Gyu Kwon, Ali Guner, Taeil Son, Hyoung-Il Kim, Dae Ryong Kang, Sung Hoon Noh, Joon Seok Lim, Woo Jin Hyung
Preoperative staging of gastric cancer with computed tomography alone exhibits poor diagnostic accuracy, which may lead to improper treatment decisions. We developed novel patient stratification criteria to select appropriate treatments for gastric cancer patients based on preoperative staging and clinicopathologic features. A total of 5352 consecutive patients who underwent gastrectomy for gastric cancer were evaluated. Preoperative stages were determined according to depth of invasion and nodal involvement on computed tomography...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29106391/aberrant-gata2-epigenetic-dysregulation-induces-a-gata2-gata6-switch-in-human-gastric-cancer
#17
S H Song, M S Jeon, J W Nam, J K Kang, Y J Lee, J Y Kang, H P Kim, S W Han, G H Kang, T Y Kim
Six GATA transcription factors play important roles in eukaryotic development. Among these, GATA2, an essential factor for the hematopoietic cell lineage, exhibits low expression in human gastric tissues, whereas GATA6, which is crucial for gastrointestinal development and differentiation, is frequently amplified and/or overexpressed in human gastric cancer. Interestingly, we found that GATA6 was overexpressed in human gastric cancer cells only when GATA2 expression was completely absent, thereby showing an inverse correlation between GATA2 and GATA6...
November 6, 2017: Oncogene
https://www.readbyqxmd.com/read/29094049/diagnostic-predictive-prognostic-and-therapeutic-molecular-biomarkers-in-third-millennium-a-breakthrough-in-gastric-cancer
#18
REVIEW
Nicola Carlomagno, Paola Incollingo, Vincenzo Tammaro, Gaia Peluso, Niccolò Rupealta, Gaetano Chiacchio, Maria Laura Sandoval Sotelo, Gianluca Minieri, Antonio Pisani, Eleonora Riccio, Massimo Sabbatini, Umberto Marcello Bracale, Armando Calogero, Concetta Anna Dodaro, Michele Santangelo
Introduction: Gastric cancer is the fifth most common cancer and the third cause of cancer death. The clinical outcomes of the patients are still not encouraging with a low rate of 5 years' survival. Often the disease is diagnosed at advanced stages and this obviously negatively affects patients outcomes. A deep understanding of molecular basis of gastric cancer can lead to the identification of diagnostic, predictive, prognostic, and therapeutic biomarkers. Main Body: This paper aims to give a global view on the molecular classification and mechanisms involved in the development of the tumour and on the biomarkers for gastric cancer...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29084076/lymph-node-metastasis-can-be-determined-by-just-tumor-depth-and-lymphovascular-invasion-in-early-gastric-cancer-patients-after-endoscopic-submucosal-dissection
#19
Atsushi Goto, Jun Nishikawa, Eizaburou Hideura, Ryo Ogawa, Misato Nagao, Sho Sasaki, Ryo Kawasato, Shinichi Hashimoto, Takeshi Okamoto, Hiroyuki Ogihara, Yoshihiko Hamamoto, Isao Sakaida
PURPOSE: Endoscopic submucosal dissection (ESD) is a minimally invasive treatment for early gastric cancer (EGC) with negligible risk of lymph node metastasis (LNM). When a patient is determined to have noncurative resection after ESD, additional surgical resection with lymph node dissection is recommended. Previous studies report that LNM is found in about 10% of these patients. It may be possible to avoid unnecessary surgical resection by selecting patients properly. We aimed to clarify the risk factors associated with LNM in EGC patients who underwent ESD and to develop a highly accurate diagnostic algorithm for LNM...
December 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29084075/the-safety-and-efficacy-of-endoscopic-submucosal-dissection-for-early-gastric-cancer-with-concomitant-liver-cirrhosis
#20
Mohamed Barakat, Bhanu Singh, Carolyn Salafia, Saphwat Eskaros
OBJECTIVE/BACKGROUND: Endoscopic submucosal dissection (ESD) allows en bloc resection of lesions with R0 margins; however, it has a higher risk of bleeding and perforation compared with endoscopic mucosal resection. Surgical intervention for early gastric cancer (EGC) has been associated with an increased risk of bleeding in patients with liver cirrhosis (LC). Our aim was to assess the safety and efficacy of ESD in patients with EGC and concomitant LC. PATIENTS AND METHODS: We performed a systematic review of Medline and Cochrane database followed by a pooled data-analysis...
October 27, 2017: European Journal of Gastroenterology & Hepatology
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