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Young gastric cancer

Andrea Orellana-Manzano, Miguel G O'Ryan, Anne J Lagomarcino, Sergio George, Mindy S Muñoz, Nora Mamani, Carolina A Serrano, Paul R Harris, Octavio Ramilo, Asunción Mejías, Juan P Torres, Yalda Lucero, Andrew F G Quest
Background:Helicobacter pylori infects half of the world's population and causes gastric cancer in a subset of infected adults. Previous blood microarray findings showed that apparently healthy children, persistently infected with H. pylori have differential gene expression compared to age-matched, non-infected children. SLC5A8, a cancer suppressor gene with decreased expression among infected children, was chosen for further study based on bioinformatics analysis. Methods: A pilot study was conducted using specific qRT-PCR amplification of SLC5A8 in blood samples from H...
2016: Frontiers in Cellular and Infection Microbiology
Sophie Plumejeaud, Amelia Paula Reis, Virginie Tassistro, Carla Patinha, Yves Noack, Thierry Orsière
Due to their behavioral characteristics, young children are vulnerable to the ingestion of indoor dust, often contaminated with chemicals that are potentially harmful. Exposure to potentially harmful elements (PHEs) is currently exacerbated by their widespread use in several industrial, agricultural, domestic and technological applications. PHEs cause adverse health effects on immune and nervous systems and can lead to cancer development via genotoxic mechanisms. The present study is an integrated approach that aims at assessing the genotoxicity of bioaccessible PHEs following ingestion of contaminated house dust...
October 22, 2016: Environmental Geochemistry and Health
Cheol Keun Park, Ji Soo Park, Hyo Song Kim, Sun Young Rha, Woo Jin Hyung, Jae-Ho Cheong, Sung Hoon Noh, Sang Kil Lee, Yong Chan Lee, Yong-Min Huh, Hyunki Kim
Although targeted therapy for receptor tyrosine kinases (RTKs) of advanced gastric cancers (AGCs) has been in the spotlight, guidelines for the identification of RTK-amplified gastric cancers (RA-GCs) have not been established. In this study, we investigate clinicopathologic characteristics of RA-GCs and propose a screening algorithm for their identification. We performed immunohistochemistry (IHC) for MLH1, MSH2, PMS2, MSH6, key RTKs (EGFR, HER2, MET), and p53, in situ hybridization for Epstein-Barr virus encoding RNA, and silver in situ hybridization (SISH) for EGFR, HER2, and MET using tissue microarrays of 993 AGCs...
September 27, 2016: Oncotarget
Keun-Wook Lee, Bum Jun Kim, Mi-Jung Kim, Hye Sook Han, Jin Won Kim, Young Iee Park, Sook Ryun Park
Purpose: This study evaluated the re-challenge of S-1 or cisplatin in combination with docetaxel in metastatic gastric cancer (MGC) that had progressed on a cisplatin plus either S-1 or capecitabine regimen. Materials and Methods: Patients with progressive disease after first-line cisplatin plus S-1 or capecitabine were randomized to receive 3-week cycles of docetaxel 75 mg/m² intravenously (IV) on D1 (D), docetaxel 60 mg/m² IV plus cisplatin 60 mg/m² IV on D1 (DC), or docetaxel 60 mg/m² IV D1 plus oral S-1 30 mg/m² b...
October 18, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
Kyung Hee Kim, Chan Gyoo Kim, Young-Woo Kim, Hae Moon, Jee Eun Choi, Soo-Jeong Cho, Jong Yeul Lee, Il Ju Choi
Phlegmonous gastritis is a rare and rapidly progressive bacterial infection of the stomach wall, with a high mortality rate. Antibiotics with or without surgical treatment are required for treatment. We present a case in which phlegmonous gastritis occurred during the diagnostic evaluation of early gastric cancer. The patient showed improvement after antibiotic treatment, but attempted endoscopic submucosal dissection failed because of submucosal pus. We immediately applied argon plasma coagulation since surgical resection was also considered a high-risk procedure because of the submucosal pus and multiple comorbidities...
September 2016: Journal of Gastric Cancer
Bang Wool Eom, Young-Woo Kim, Byung-Ho Nam, Keun Won Ryu, Hyun-Yong Jeong, Young-Kyu Park, Young-Joon Lee, Han-Kwang Yang, Wansik Yu, Jeong-Hwan Yook, Geun Am Song, Sei-Jin Youn, Heung Up Kim, Sung-Hoon Noh, Sung Bae Park, Doo-Hyun Yang, Sung Kim
PURPOSE: This study aimed to establish a large-scale database of patients with gastric cancer to facilitate the development of a national-cancer management system and a comprehensive cancer control policy. MATERIALS AND METHODS: An observational prospective cohort study on gastric cancer was initiated in 2010. A total of 14 cancer centers throughout the country and 152 researchers were involved in this study. Patient enrollment began in January 2011, and data regarding clinicopathological characteristics, life style-related factors, quality of life, as well as diet diaries were collected...
September 2016: Journal of Gastric Cancer
Yoo Jin Lee, Jie-Hyun Kim, Jae Jun Park, Young Hoon Youn, Hyojin Park, Jong Won Kim, Seung Ho Choi, Sung Hoon Noh
BACKGROUND: The presence of ulcer in early gastric cancer (EGC) is important for the feasibility of endoscopic resection, only a few studies have examined the clinicopathological implications of endoscopic ulcer in EGC. OBJECTIVES: To determine the role of endoscopic ulcer as a predictor of clinical behaviors in EGC. METHODS: Data of 3,270 patients with EGC who underwent surgery between January 2005 and December 2012 were reviewed. Clinicopathological characteristics were analyzed in relation to the presence and stage of ulcer in EGC...
2016: PloS One
Ha Young Woo, Yoon Sung Bae, Jie-Hyun Kim, Sang Kil Lee, Yong Chan Lee, Jae-Ho Cheong, Sung Hoon Noh, Hyunki Kim
BACKGROUND: Gastric "crawling-type" adenocarcinoma (CRA) is a tumor histologically characterized by irregularly fused glands with low-grade cellular atypia that tends to spread laterally in the mucosa. To date, the expression characteristics of the key molecules involved in CRA, including receptor tyrosine kinases (RTKs), mismatch repair (MMR) proteins, phosphatase and tensin homolog (PTEN), as well as the Epstein-Barr virus (EBV) status, have yet to be uncovered. METHODS: We constructed tissue microarrays of 94 CRAs, 72 conventional-type differentiated adenocarcinomas (CDAs), and 71 intramucosal poorly cohesive adenocarcinomas (PCAs) from early gastric cancers to evaluate and compare the pathological and expression profiles of potential key molecules for molecular classification (EBV; four MMR proteins-MLH1, MSH2, PMS2, and MSH6; three RTKs-HER2, MET, and EGFR; PTEN; and p53)...
October 12, 2016: Gastric Cancer
Eun Young Kim, Hyun Woo Yim, Cho Hyun Park, Kyo Young Song
BACKGROUND: The clinical outcomes for postoperative complications (PCs) after gastrectomy depend on early diagnosis and intensive treatment. The aim of this study was to investigate the role of C-reactive protein (CRP) as an early predictor of PCs after gastrectomy for gastric cancer. METHODS: A total of 334 consecutive patients who underwent gastrectomy for gastric cancer in 2014 were enrolled in this study. Blood samples were obtained preoperatively, and at postoperative days 1 and 4 for the measurement of inflammatory markers (white blood cell, neutrophil, and platelet counts, and CRP)...
October 12, 2016: Surgical Endoscopy
Sang-Yong Eom, Seon-Mi Hong, Dong-Hyuk Yim, Hyo-Jin Kwon, Dae-Hoon Kim, Hyo-Yung Yun, Young-Jin Song, Sei-Jin Youn, Taisun Hyun, Joo-Seung Park, Byung Sik Kim, Yong-Dae Kim, Heon Kim
Although several studies reported genetic polymorphisms in protein kinase AMP-activated alpha 1 catalytic subunit (PRKAA1) and their associations with gastric cancer risk, few have evaluated associations between Helicobacter pylori infection and PRKAA1 gene-environment interactions. Here, we evaluated the effects of interactions between H. pylori infection and PRKAA1 polymorphisms on gastric cancer risk in Koreans. In this hospital-based case-control study, PRKAA1 genotypes were analyzed and H. pylori infection and CagA status were examined using a serologic method in 846 pairs of gastric cancer patients and controls matched for age and sex...
October 11, 2016: Cancer Medicine
Min Thura, Abdul Qader Omer Al-Aidaroos, Wei Peng Yong, Koji Kono, Abhishek Gupta, You Bin Lin, Kousaku Mimura, Jean Paul Thiery, Boon Cher Goh, Patrick Tan, Ross Soo, Cheng William Hong, Lingzhi Wang, Suling Joyce Lin, Elya Chen, Sun Young Rha, Hyun Cheol Chung, Jie Li, Sayantani Nandi, Hiu Fung Yuen, Shu-Dong Zhang, Yeoh Khay Guan, Jimmy So, Qi Zeng
Novel, tumor-specific drugs are urgently needed for a breakthrough in cancer therapy. Herein, we generated a first-in-class humanized antibody (PRL3-zumab) against PRL-3, an intracellular tumor-associated phosphatase upregulated in multiple human cancers, for unconventional cancer immunotherapies. We focused on gastric cancer (GC), wherein elevated PRL-3 mRNA levels significantly correlated with shortened overall survival of GC patients. PRL-3 protein was overexpressed in 85% of fresh-frozen clinical gastric tumor samples examined but not in patient-matched normal gastric tissues...
June 16, 2016: JCI Insight
Ha Yeon Lee, In Gyu Hwang, Song-Ee Park, Moon Jin Kim, Se Hoon Park, Jung Hun Kang, Young Saing Kim, Sung Yong Oh, Young-Woong Won, Soon Il Lee, Jun Ho Ji, Kyong-Choun Chi
Purpose: Two recent randomized, phase III trials in Asia (ACTS-GC and CLASSIC) documented the survival benefit of postoperative chemotherapy after D2 lymph node dissection in patients with gastric cancer. We sought to determine what factors influenced clinicians' choices of either S-1 or capecitabine plus oxaliplatin (CAPOX) as adjuvant therapy after curative D2 gastrectomy. Materials and Methods: We retrospectively reviewed the clinicopathologic factors and adjuvant treatments for 435 patients from nine centers in Korea who were treated with either S-1 or CAPOX adjuvant chemotherapy after undergoing curative D2 gastrectomy between January 2013 and July 2014...
2016: Journal of Cancer
Seon-Young Park, Ji-Young Kim, Su-Mi Lee, Jin Ook Chung, Kyung-Hwa Lee, Chung-Hwan Jun, Chang-Hwan Park, Hyun-Soo Kim, Sung-Kyu Choi, Jong-Sun Rew, Young-Do Jung, Yong Han Lee
Several studies have demonstrated a correlation between the expression of early growth response gene-1 (EGR-1) and the progression of gastric cancers at advanced stages. However, the effects of EGR-1 expression on human gastric cancer progression, particularly on precancerous lesions, have not been investigated. In this study, we evaluate EGR-1 expression levels in target mucosa from patients with early gastric cancer and precancerous lesions, and assess whether EGR-1 expression affects the oncogenic phenotypes of human gastric cancer cells...
October 2016: Oncology Letters
Seung Young Kim, Sung Woo Jung, Jung Wan Choe, Jong Jin Hyun, Young Kul Jung, Ja Seol Koo, Hyung Joon Yim, Sang Woo Lee
BACKGROUND: Abdominal pain is a common complaint following endoscopic resection (ER). AIMS: To investigate the predictive factors for abdominal pain after ER. METHODS: Patients who were scheduled to undergo endoscopic mucosal resection or endoscopic submucosal dissection for the treatment of gastric adenoma or cancer were prospectively enrolled. Pain scores were checked every 6 h after ER and whenever patients complained of pain by using a 0-10 pain scale...
September 30, 2016: Digestive Diseases and Sciences
Sen Lian, Jung Sun Park, Yong Xia, Thi Thinh Nguyen, Young Eun Joo, Kyung Keun Kim, Hark Kyun Kim, Young Do Jung
Emerging evidence supports a fundamental role for microRNAs (miRNA) in regulating cancer metastasis. Recently, microRNA-375 (miR-375) was reported to be downregulated in many types of cancers, including gastric cancer. Increase in the expression of Recepteur d'Origine Nantais (RON), a receptor tyrosine kinase, has been reported in tumors. However, the function of miR-375 and RON expression in gastric cancer metastasis has not been sufficiently studied. In silico analysis identified miR-375 binding sites in the 3'-untranslated regions (3'-UTR) of the RON-encoding gene...
2016: International Journal of Molecular Sciences
Wen Fong Ooi, Manjie Xing, Chang Xu, Xiaosai Yao, Muhammad Khairul Ramlee, Mei Chee Lim, Fan Cao, Kevin Lim, Deepak Babu, Lai-Fong Poon, Joyce Lin Suling, Aditi Qamra, Astrid Irwanto, James Qu Zhengzhong, Tannistha Nandi, Ai Ping Lee-Lim, Yang Sun Chan, Su Ting Tay, Ming Hui Lee, James O J Davies, Wai Keong Wong, Khee Chee Soo, Weng Hoong Chan, Hock Soo Ong, Pierce Chow, Chow Yin Wong, Sun Young Rha, Jianjun Liu, Axel M Hillmer, Jim R Hughes, Steve Rozen, Bin Tean Teh, Melissa Jane Fullwood, Shang Li, Patrick Tan
Regulatory enhancer elements in solid tumours remain poorly characterized. Here we apply micro-scale chromatin profiling to survey the distal enhancer landscape of primary gastric adenocarcinoma (GC), a leading cause of global cancer mortality. Integrating 110 epigenomic profiles from primary GCs, normal gastric tissues and cell lines, we highlight 36,973 predicted enhancers and 3,759 predicted super-enhancers respectively. Cell-line-defined super-enhancers can be subclassified by their somatic alteration status into somatic gain, loss and unaltered categories, each displaying distinct epigenetic, transcriptional and pathway enrichments...
September 28, 2016: Nature Communications
Sung Woo Jung, Seung Young Kim, Jung Wan Choe, Jong Jin Hyun, Yong Kul Jung, Ja Seol Koo, Hyung Joon Yim, Sang Woo Lee
BACKGROUND AND AIMS: Endoscopic resection is commonly used to remove gastric neoplasms. However, effective dosing or scheduling of proton pump inhibitors for the prevention of delayed bleeding after endoscopic resection remains unclear. PATIENTS AND METHODS: One hundred sixty-six patients with gastric adenoma or early gastric cancer were enrolled. After an endoscopic procedure, each subject was randomly assigned to 40 mg every 24 h (standard dose group) or 40 mg every 12 h (double dose group) of intravenous pantoprazole for 48 h...
September 16, 2016: Journal of Gastroenterology and Hepatology
Eun Young Kim, Kyong Hwa Jun, Ji Han Jung, Yun Sung Jo, Hyung Min Chin
BACKGROUND: Gastric cancer in pregnant women is rare. When physicians encounter a patient with pregnancy-associated gastric cancer, it is important to take a multidisciplinary approach and respect the will of the patient. We herein describe a case of gastric cancer during pregnancy. CASE REPORT: A 36-year-old woman at 18 weeks of gestation was diagnosed with advanced gastric cancer. She underwent totally laparoscopic distal gastrectomy at 23 weeks of gestation and four cycles of FOLFOX6 without any severe toxicity...
September 2016: Anticancer Research
Chang Min Lee, Sungsoo Park, Seong-Heum Park, You Jin Jang, Seung-Joo Kim, Young-Jae Mok, Chong-Suk Kim, Jong-Han Kim
PURPOSE: The aim of this study was to compare two methods of tumor localization during totally laparoscopic distal gastrectomy (TLDG) in patients with gastric cancer. METHODS: From March 2014 to November 2014, patients in whom TLDG had been engaged for middle third gastric cancer enrolled in this study. The patients were allocated to either the radiography or endoscopy group based on the type of tumor localization technique. Clinicopathologic outcomes were compared between the 2 groups...
September 2016: Annals of Surgical Treatment and Research
Seung-Young Oh, Boram Choi, Kyung-Goo Lee, Hwi-Nyeong Choe, Hye-Joo Lee, Yun-Suhk Suh, Seong-Ho Kong, Hyuk-Joon Lee, Woo Ho Kim, Han-Kwang Yang
BACKGROUND: Previous studies regarding ultrasonically activated shears (UAS) were performed without controlled surgical procedures or consideration of potential thermal injury due to high temperature of active blade of UAS. The purpose of this study was to evaluate the efficacy and safety of UAS through a comparison with conventional monopolar electrocautery (CME) in open distal gastrectomy for gastric cancer. METHODS: From October 2011 to November 2012, 56 gastric cancer patients eligible for open distal gastrectomy were randomized into UAS or CME groups...
September 9, 2016: Annals of Surgical Oncology
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