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https://www.readbyqxmd.com/read/28647685/irtks-is-correlated-with-progression-and-survival-time-of-patients-with-gastric-cancer
#1
Li-Yu Huang, Xuefei Wang, Xiao-Fang Cui, He Li, Junjie Zhao, Chong-Chao Wu, Lingqiang Min, Zhicheng Zhou, Lixin Wan, Yu-Ping Wang, Chao Zhang, Wei-Qiang Gao, Yihong Sun, Ze-Guang Han
BACKGROUND AND OBJECTIVES: IRTKS functions as a novel regulator of tumour suppressor p53; however, the role of IRTKS in pathogenesis of gastric cancer is unclear. DESIGN: We used immunohistochemistry to detect IRTKS levels in 527 human gastric cancer specimens. We generated both IRTKS-deficient and p53-deficient mice to observe survival time of these mice and to isolate mouse embryonic fibroblasts (MEFs) for evaluating in vivo tumorigenicity. Co-immunoprecipitation was used to study the interaction among p53, MDM2 and IRTKS, as well as the ubiquitination of p53...
June 24, 2017: Gut
https://www.readbyqxmd.com/read/28647684/dynamics-of-helicobacter-pylori-infection-as-a-determinant-of-progression-of-gastric-precancerous-lesions-16-year-follow-up-of-an-eradication-trial
#2
Robertino M Mera, Luis E Bravo, M Constanza Camargo, Juan C Bravo, Alberto G Delgado, Judith Romero-Gallo, Maria C Yepez, José L Realpe, Barbara G Schneider, Douglas R Morgan, Richard M Peek, Pelayo Correa, Keith T Wilson, M Blanca Piazuelo
OBJECTIVE: To evaluate the long-term effect of cumulative time exposed to Helicobacter pylori infection on the progression of gastric lesions. DESIGN: 795 adults with precancerous gastric lesions were randomised to receive anti-H. pylori treatment at baseline. Gastric biopsies were obtained at baseline and at 3, 6, 12 and 16 years. A total of 456 individuals attended the 16-year visit. Cumulative time of H. pylori exposure was calculated as the number of years infected during follow-up...
June 24, 2017: Gut
https://www.readbyqxmd.com/read/28647380/-lymphedema-of-the-lower-limbs-initial-manifestation-of-gastric-linitis-plastica
#3
S Nguyen, D Ouvrier, D Massalou, P Viau, A Chevallier, S Patouraux, T Passeron, J-P Lacour, H Montaudié
BACKGROUND: Primary lymphedemas are constitutional abnormalities of the lymphatic system. Secondary lymphedemas occur after damage to the lymphatic system, mainly after cancer treatments or tumour mass compression. There are many other causes, including filariasis, which is nonetheless very rare in France. PATIENTS AND METHODS: A 52-year-old man presented with a two-month history of increased size of the left leg. He was asymptomatic and in good general condition...
June 21, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28647209/decreased-expression-of-the-atm-gene-linked-to-poor-prognosis-for-gastric-cancer-of-different-nationalities-in-xinjiang
#4
Mei Han, Lanying Ma, Yanli Qu, Yong Tang
OBJECTIVE: To explore the clinicopathological significance of ATM gene in the occurrence and prognosis of gastric cancer (GC) from different nationalities in Xinjiang. METHOD: The expression of ATM in 385 patients with GC (including 98 Uygurs, 231 Hans and 56 Kazaks) and its corresponding adjacent tissues were examined by quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemistry assay to, analyze its correlations with clinicopathological features and prognosis of GC...
June 10, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28647208/mage-a-family-is-involved-in-gastric-cancer-progression-and-indicates-poor-prognosis-of-gastric-cancer-patients
#5
Yishui Lian, Meixiang Sang, Lina Gu, Fei Liu, Danjing Yin, Shina Liu, Weina Huang, Yanyun Wu, Baoen Shan
BACKGROUND: As the best characterized CTA family members, melanoma-associated antigens (MAGE) have been reported to express in various malignant tumors. However, the expression pattern of MAGE-A family in gastric cancer (GC) specimens and their prognostic and therapeutic significance for GC patients is still unclear. MATERIALS AND METHODS: Tissue microarray - based immunohistochemistry analysis was used to examine the expression of MAGE-A family members (including MAGE-A1, -A2, -A3, -A4, -A6, -A10, and -A12) in 86 cases of GC specimens, 20 cases of the corresponding adjacent normal gastric specimens, and 9 cases of intraepithelial neoplasia specimens...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28647207/clinical-value-of-mir-425-5p-detection-and-its-association-with-cell-proliferation-and-apoptosis-of-gastric-cancer
#6
Zhuoqi Zhang, Ming Wen, Jian Guo, Jianwei Shi, Zhiyu Wang, Bibo Tan, Gang Zhang, Xiangkui Zheng, Aimin Zhang
Researches have shown that miR-425-5p expression altered in lung, esophageal, and glial cancer. Similarly, in our previous study, we found miR-425-5p expression was up-regulated in GC cells and could promote gastric cancer (GC) cell invasion and metastasis. However, the functional mechanism and the prognostic significance of miR-425-5p in GC remain unclear. Therefore, the present study examined miR-425-5p expression in GC tissues and also evaluated miR-425-5p of the therapeutic and prognostic value. Moreover, with interference of miR-425-5p expression in cell lines, we investigated the molecular mechanism of miR-425-5p and the expression level was higher in GC tissues comparing with that in gastric tumor-adjacent mucosa...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28646603/comparison-of-oral-contrast-enhanced-transabdominal-ultrasound-imaging-with-transverse-contrast-enhanced-computed-tomography-in-preoperative-tumor-staging-of-advanced-gastric-carcinoma
#7
Xuemei He, Jing Sun, Xiaoling Huang, Chun Zeng, Yinggang Ge, Jun Zhang, Jingxian Wu
OBJECTIVES: This study assessed the diagnostic performance of transabdominal oral contrast-enhanced ultrasound (US) imaging for preoperative tumor staging of advanced gastric carcinoma by comparing it with transverse contrast-enhanced computed tomography (CT). METHODS: This retrospective study included 42 patients with advanced gastric cancer who underwent laparoscopy, radical surgery, or palliative surgery because of serious complications and had a body mass index of less than 25 kg/m(2) ...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28646258/selective-survival-advantage-associated-with-primary-tumor-resection-for-metastatic-gastric-cancer-in-a-western-population
#8
René Warschkow, Matthias Baechtold, Kenneth Leung, Bruno M Schmied, Daniel P Nussbaum, Beat Gloor, Dan G Blazer Iii, Mathias Worni
BACKGROUND: The prognosis of metastatic gastric cancer (GC) remains dismal, with a median survival of 10 months. Historically, primary tumor resection was not thought to confer any survival benefit. Although high-level data exist guiding treatment of metastatic GC for patients in the East, no such data exist for Western patients despite inherent ethnic differences in GC biology. METHODS: The 2006-2012 National Cancer Database was queried for adult patients with metastatic gastric adenocarcinoma...
June 23, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28645482/proton-pump-inhibitors-and-survival-outcomes-in-patients-with-metastatic-renal-cell-carcinoma
#9
Aly-Khan A Lalani, Rana R McKay, Xun Lin, Ronit Simantov, Marina D Kaymakcalan, Toni K Choueiri
INTRODUCTION: Proton pump inhibitors (PPIs) are potent inhibitors of gastric acid secretion and can affect the optimal absorption of concomitant oral medications, such as vascular endothelial growth factor (VEGF) tyrosine kinase inhibitors (TKIs). The purpose of this study was to investigate the effect of PPI use on survival in metastatic renal cell carcinoma (mRCC) patients treated in the targeted therapy era. MATERIALS AND METHODS: We conducted a pooled analysis of mRCC patients treated in phase II and III clinical trials...
May 31, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28645119/the-application-of-enhanced-recovery-after-surgery-eras-fast-track-surgery-in-gastrectomy-for-gastric-cancer-a-systematic-review-and-meta-analysis
#10
REVIEW
Jie Ding, Benlong Sun, Peng Song, Song Liu, Hong Chen, Min Feng, Wenxian Guan
BACKGROUND: The study aimed to compare the safety and effectiveness of Enhanced recovery after surgery (ERAS) with conventional care in gastrectomy for gastric cancer. METHODS: Search strategy from Pubmed, Embase, Web of science, Cochrane library and reference lists was performed. The collected studies were randomized controlled trials and published only in English, and undergoing ERAS in gastrectomy for gastric cancer from January 1994 to August 2016. RESULTS: A total of eight studies including 801 patients were included...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645108/prognostic-factors-influencing-the-survival-of-patients-with-carcinoma-of-the-gastric-cardia-receiving-preoperative-interventional-embolization-chemotherapy
#11
Hai-Li Cao, Shu-Qiang Jin, Kai-Bing Wang, Bin Bai
The purpose of this study was to analyze the characteristics of patients with gastric cardia cancer (GCC) to identify the main factors the influence the survival rate after interventional embolization chemotherapy (IEC). One hundred and fifty-six patients with advanced GCC were treated with IEC via the left gastric artery. Survival time was defined as from the date of diagnosis until death or the end of this study in June 2015. The median survival time was 15 months (range 3 to 29 months). The Cox proportional hazard model found that patients' age (p< 0...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644134/the-conundrum-of-the-epstein-barr-virus-associated-gastric-carcinoma-in-the-americas
#12
REVIEW
Gonzalo Carrasco-Avino, Ismael Riquelme, Oslando Padilla, Miguel Villaseca, Francisco R Aguayo, Alejandro H Corvalan
Epstein-Barr virus-associated gastric carcinoma shows a higher prevalence in the Americas than Asia. We summarize all studies of Epstein Barr virus-associated gastric carcinoma in the Americas, focusing on host characteristics, environmental associations and phylogeographic diversity of Epstein-Barr virus strains. In the Americas, the prevalence of Epstein Barr virus-associated gastric carcinoma is 11.4%, more frequent in males and portray predominantly diffuse-type histology. EBERs, EBNAs, BARTs and LMP are the highest expressed genes; their variations in healthy individuals may explain the phylogeographic diversity of Epstein-Barr virus across the region...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643742/in-vitro-activity-of-probiotic-lactobacillus-reuteri-against-gastric-cancer-progression-by-downregulation-of-urokinase-plasminogen-activator-urokinase-plasminogen-activator-receptor-gene-expression
#13
Bahareh Sadat Rasouli, Ali Ghadimi-Darsajini, Reza Nekouian, Gholam-Reza Iragian
BACKGROUND: Gastric cancer (GC) is the third leading cause of cancer death, and most patients represent metastatic phenotype at the time of diagnosis. Urokinase plasminogen activator (uPA) system is well known for its critical roles in cancer cells invasion since uPA/uPA receptor (uPAR) overexpresses in several cancers. Subsequently, suppression of uPA/uPAR gene expression improves patients overall survival and prevents cancer progression. OBJECTIVES: The aim of the current study was to investigate possible effects of live Lactobacillus reuteri as a probiotic in inhibition of GC cells proliferation and invasion...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643558/influence-of-anthropometric-characteristics-in-patients-with-her2-positive-breast-cancer-on-initial-plasma-concentrations-of-trastuzumab
#14
Jonathan González García, Fernando Gutiérrez Nicolás, Gloria Julia Nazco Casariego, José Norberto Batista López, Isaac Ceballos Lenza, Ruth Ramos Díaz, Matías Llabrés Martínez
BACKGROUND: Plasma concentrations of trastuzumab <20 µg/mL in patients with gastric cancer are associated with reduced progression-free and overall survival. In breast cancer treatment, this relationship has not yet been studied, but a suboptimal pharmacodynamic exposure to trastuzumab could be a reason for therapeutic failure of treatment of HER2-positive breast cancer. OBJECTIVE: The objective of the present study was to determine the proportion of nonmetastatic HER2-positive breast cancers that do not reach a minimum plasma concentration ( Cmin) of 20 µg/mL after first drug administration, established as therapeutically effective in clinical trials...
June 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28643393/prevalence-and-dynamics-of-helicobacter-pylori-infection-during-childhood
#15
REVIEW
Beatriz Zabala Torrres, Yalda Lucero, Anne J Lagomarcino, Andrea Orellana-Manzano, Sergio George, Juan P Torres, Miguel O'Ryan
INTRODUCTION: Long-term persistent Helicobacter pylori infection has been associated with ulceropeptic disease and gastric cancer. Although H. pylori is predominantly acquired early in life, a clear understanding of infection dynamics during childhood has been obfuscated by the diversity of populations evaluated, study designs, and methods used. AIM: Update understanding of true prevalence of H. pylori infection during childhood, based on a critical analysis of the literature published in the past 5 years...
June 23, 2017: Helicobacter
https://www.readbyqxmd.com/read/28643319/-progress-of-the-application-of-optical-coherence-tomography-in-gastrointestinal-tumor-surgery
#16
Yongsheng Li, Hao Liu, Haipeng Huang, Yu Zhu, Haijun Deng, Jiang Yu, Site Luo, Li Huo, Li Lin, Huikai Xie, Guoxin Li
Optical coherence tomography (OCT) is a real-time, cross-sectional optical imaging technology. It is analogous to ultrasonography, except that OCT uses light waves instead of sound waves, and can provide three-dimensional morphological images of living tissues with a micrometer resolution. Through the use of endoscopes, needles, catheters and laparoscopes, OCT has demonstrated tremendous imaging potential in tumor surgery. The current studies suggest that OCT has potential for clinical applications in the following fields of gastrointestinal tumor surgery: (1) Early tumor detection and diagnosis: OCT can distinguish differences between polyp tissue, normal tissue and malignant tissue...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643146/helicobacter-pylori-induced-modulation-of-the-promoter-methylation-of-wnt-antagonist-genes-in-gastric-carcinogenesis
#17
Hyo-Joon Yang, Sang Gyun Kim, Joo Hyun Lim, Ji Min Choi, Woo Ho Kim, Hyun Chae Jung
BACKGROUND: This study aimed to investigate the changes in the promoter methylation and gene expression of multiple Wnt antagonists between the chronic infection and eradication of Helicobacter pylori (H. pylori) in gastric carcinogenesis. METHODS: The levels of methylation and corresponding mRNA expression of seven Wnt antagonist genes (SFRP1, -2, -5, DKK1, -2, -3, WIF1) were compared among the patients with H. pylori-positive gastric cancers (GCs), and H. pylori-positive and H...
June 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28643145/the-prognostic-value-of-volume-based-parameters-using-18-f-fdg-pet-ct-in-gastric-cancer-according-to-her2-status
#18
Ji Soo Park, Nare Lee, Seung Hoon Beom, Hyo Song Kim, Choong-Kun Lee, Sun Young Rha, Hyun Cheol Chung, Mijin Yun, Arthur Cho, Minkyu Jung
BACKGROUND: We aimed to find the clinical value of metastatic tumor burden evaluated with F18-FDG PET/CT in gastric cancer patients, considering the human epidermal growth factor receptor 2 (HER2) status. METHODS: We retrospectively reviewed 124 patients with locally advanced or metastatic gastric cancer at Yonsei Cancer Center between January 2006 and December 2014 who had undergone baseline FDG PET/CT before first-line chemotherapy. We measured the maximum standardized uptake value from the primary tumor (SUVmax) and whole-body (WB) PET/CT parameters, including WB SUVmax, WB SUVmean, WB metabolic tumor volume (WB MTV), and WB total lesion glycolysis (WB TLG), in all metabolically active metastatic lesions (SUV threshold ≥2...
June 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28643144/evaluation-of-the-american-joint-committee-on-cancer-8th-edition-staging-system-for-gastric-cancer-patients-after-preoperative-therapy
#19
Naruhiko Ikoma, Mariela Blum, Jeannelyn S Estrella, Prajnan Das, Wayne L Hofstetter, Keith F Fournier, Paul Mansfield, Jaffer A Ajani, Brian D Badgwell
BACKGROUND: The American Joint Committee on Cancer (AJCC) recently released its 8th edition staging system, which created a separate staging system for gastric cancer patients who have undergone preoperative therapy (ypStage). The objective of this retrospective study was to apply the new ypStage to patients who have undergone preoperative therapy and potentially curative gastrectomy. METHODS: We collected data from a prospectively maintained institutional database of gastric cancer patients who underwent potentially curative gastrectomy after preoperative therapy (1995-2015)...
June 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28643135/preoperative-tumor-restaging-and-resectability-assessment-of-gastric-cancers-after-chemotherapy-diagnostic-accuracy-of-mdct-using-new-staging-criteria
#20
Ijin Joo, Se Hyung Kim, Su Joa Ahn, Eun Sun Lee, Cheong-Il Shin, Hyuk-Joon Lee, Han Kwang Yang
PURPOSE: To evaluate the diagnostic performance of preoperative MDCT for tumor restaging and determination of resectability in gastric cancers after chemotherapy using new staging criteria. METHODS: This retrospective study was approved by our institutional review board and the requirement for informed consent was waived. Thirty-seven patients with initially unresectable gastric cancers who had received chemotherapy followed by surgery were included. Two independent radiologists reviewed preoperative MDCT images to determine the TNM staging and rate the overall likelihood of resectability using a 5-point scale (5: definitely unresectable, 1: definitely resectable)...
June 22, 2017: Abdominal Radiology
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