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https://www.readbyqxmd.com/read/29779068/new-insights-into-the-inflamed-tumor-immune-microenvironment-of-gastric-cancer-with-lymphoid-stroma-from-morphology-and-digital-analysis-to-gene-expression
#1
Irene Gullo, Patrícia Oliveira, Maria Athelogou, Gilza Gonçalves, Marta L Pinto, Joana Carvalho, Ana Valente, Hugo Pinheiro, Sara Andrade, Gabriela M Almeida, Ralf Huss, Kakoli Das, Patrick Tan, José C Machado, Carla Oliveira, Fátima Carneiro
BACKGROUND: Gastric cancer with lymphoid stroma (GCLS) is characterized by prominent stromal infiltration of T-lymphocytes. The aim of this study was to investigate GCLS biology through analysis of clinicopathological features, EBV infection, microsatellite instability (MSI), immune gene-expression profiling and PD-L1 status in neoplastic cells and tumor immune microenvironment. METHODS: Twenty-four GCLSs were analyzed by RNA in situ hybridization for EBV (EBER), PCR/fragment analysis for MSI, immunohistochemistry (PD-L1, cytokeratin, CD3, CD8), co-immunofluorescence (CK/PD-L1, CD68/PD-L1), NanoString gene-expression assay for immune-related genes and PD-L1 copy number alterations...
May 19, 2018: Gastric Cancer
https://www.readbyqxmd.com/read/29778607/cost-effectiveness-of-gastric-cancer-screening-according-to-race-and-ethnicity
#2
Monica Saumoy, Yecheskel Schneider, Nicole Shen, Michel Kahaleh, Reem Z Sharaiha, Shailja C Shah
BACKGROUND & AIMS: There are marked racial and ethnic differences in noncardia gastric cancer prevalence within the United States (US). Although gastric cancer screening is recommended in regions of high prevalence, screening is not routinely performed in the US. Our objective was to determine whether selected noncardia gastric cancer screening for high-risk races and ethnicities within the US is cost effective. METHODS: We developed a decision analytic Markov model with the base case of a 50-year-old person of non-Hispanic white, non-Hispanic black, Hispanic, or Asian race or ethnicity...
May 17, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29778549/linked-color-imaging-can-help-gastric-helicobacter-pylori-infection-diagnosis-during-endoscopy
#3
Tsung-Hsing Chen, Chen-Ming Hsu, Hao-Tsai Cheng, Yin-Yi Chu, Ming-Yao Su, Jun-Te Hsu, Ta-Sen Yeh, Chang-Fu Kuo, Cheng-Tang Chiu
BACKGROUND: Esophagogastroduodenoscopy (EGD) is a standard tool for detection of mucosal and submucosal lesions. However, identification of Helicobacter pylori (H. P) infection using EGD alone is limited in accuracy. Linked color imaging (LCI) is a novel tool to capture real-time image with sufficient contrast to observe mucosal microstructure. METHODS: This study aims to evaluate the applicability of LCI in the identification of H. pylori infection. Consecutive 122 patients scheduled for EGD were included...
May 16, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29775897/the-gastric-mucosal-protective-effects-of-astragaloside-iv-in-mnng-induced-gpl-rats
#4
Tiantian Cai, Chengzhe Zhang, Ziming Zhao, Siyi Li, Haobin Cai, Xiaodong Chen, Dake Cai, Wei Liu, Yan Yan, Kaifeng Xie, Huafeng Pan, Xiaohui Zeng
Gastric Cancer is one of the most common types of cancer. And the occurrence of gastric carcinoma is an evolutionary histopathological stage. As a result, further research of GPL, which is a borderline of gastric cancer, is indispensable for preventing the formation and development of gastric carcinoma. Several studies have demonstrated a correlation between the expression of autophagy, apoptosis and Gastric cancer (GC). However, the effects of autophagy and apoptosis on human gastric cancer progression, particularly on gastric precancerous lesions (GPL), have not totally been investigated...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775693/comparison-of-coping-psychological-distress-and-level-of-functioning-in-patients-with-gastric-and-colorectal-cancer-prior-to-adjuvant-chemotherapy
#5
Caterina Calderón, Paula Jimenez-Fonseca, Carlos Jara, Raquel Hernández, Eva Martínez de Castro, Sonal Varma, Ismael Ghanem, Alberto Carmona-Bayonas
CONTEXT-: Patients with gastrointestinal cancers are at high risk for functional problems that are generally accompanied by a decline in their overall status and intense psychological distress. OBJECTIVES: This study compares the level of functioning in individuals with gastric cancer (GC) and colorectal cancer (CRC) and analyzes whether improved functioning can be explained by patients' psychological status and coping strategies. METHODS: Prospective, transversal, multicenter study in patients with non-metastatic GC and CRC prior to initiating adjuvant chemotherapy...
May 15, 2018: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29774941/-meta-analysis-of-gastric-stump-cancer-after-gastrectomy-for-gastric-cancer
#6
Yongbai Li, Zhidong Gao, Xuesong Zhao, Bo Wang, Yingjiang Ye, Shan Wang, Kewei Jiang
OBJECTIVE: To study the clinicopathological features and prognosis of gastric stump cancer (GSC) following subtotal gastrectomy for gastric cancer, to compare the clinicopathologic differences between narrow GSC and generalized GSC, and to compare the prognosis between GSC and primary proximal gastric cancer (PPGC) after radical resection. METHODS: Literatures of GSC-associated clinical study were searched by computer from the Cochrane Library, Medline, PubMed, CNKI, Wanfang and VIP databases, and the retrieval period was from the establishment of database to December 31, 2017...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774939/-feasibility-and-preliminary-technical-experience-of-single-incision-plus-one-port-laparoscopic-total-gastrectomy-combined-with-%C3%AF-shaped-esophagojejunal-anastomosis-in-surgical-treatment-of-gastric-cancer
#7
Guangsheng Du, Enlai Jiang, Yuan Qiu, Wensheng Wang, Shuai Wang, Yunbo Li, Ke Peng, Xiang Li, Hua Yang, Weidong Xiao
OBJECTIVE: To explore the feasibility, safety, and preliminary technical experience of single incision plus one port laparoscopic total gastrectomy combined with π-shaped esophagojejunal anastomosis (SILT-π) in the surgical treatment of gastric cancer. METHODS: Clinical data of 5 gastric cancer patients undergoing SILT-π operation at the Department of General Surgery, The Second Affiliated Hospital of the Army Medical University from August to October 2017 were retrospectively analyzed...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774938/-analysis-of-risk-factors-of-prolonged-postoperative-ileus-after-gastric-cancer-surgery
#8
Ning Wang, Lin Chen, Mingsen Li, Naizhong Jin, Bo Wei
OBJECTIVE: To investigate the risk factors of prolonged postoperative ileus (PPOI) after gastric cancer surgery. METHODS: Definition of PPOI was that gastrointestinal function did not return to normal within 96 hours after operation. Diagnostic criteria of PPOI were as follows: according with over 2 below conditions at postoperative 97-hour: (1) moderate to severe sick (mild: 1-3 points, moderate: 4-7 points, severe: 8-10 points) or vomiting occurred in past 12 hours...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774937/-application-of-robotic-surgery-to-treat-carcinoma-in-the-remnant-stomach
#9
Feng Qian, Jiajia Liu, Junyan Liu, Junyan Fan, Yongliang Zhao, Yan Shi, Yingxue Hao, Peiwu Yu
OBJECTIVE: To explore the surgical techniques and feasibility of robotic surgery for carcinoma in the remnant stomach(CRS). METHODS: Clinicopathological data of 20 CRS patients undergoing robotic surgery at the Minimally Invasive Center for Gastrointestinal Surgery, Army Medical University Southwest Hospital from November 2012 to October 2017 were retrospectively collected. The surgical methods, procedures, main difficulties, and key techniques were analyzed, and the clinical efficacy was evaluated...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774934/-comparison-of-clinicopathological-features-and-prognosis-analysis-between-carcinoma-in-the-remnant-stomach-and-gastric-cancer
#10
Fengke Li, Yimin Wang, Chunfeng Li, Yan Ma, Yongle Zhang, Zhiguo Li, Yingwei Xue
OBJECTIVE: To compare clinicopathological features and prognosis between patients with carcinoma in the remnant stomach (CRS) and with gastric cancer, and to investigate the prognostic factors in CRS patients. METHODS: A retrospective cohort study was performed on clinicopathological data of 96 CRS patients (CRS group) and selected 440 patients with gastric cancer (GC group) treated at Harbin Medical University Cancer Hospital from January 1977 to December 2017...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774933/-clinicopathological-characteristics-and-prognostic-factor-analysis-of-carcinoma-in-remnant-stomach-cancer-at-peking-university-cancer-hospital
#11
Yinkui Wang, Ziyu Li, Chenggen Jin, Xiangji Ying, Chao Gao, Yuchen Wang, Qiyan Xiao, Yan Zhang, Yufan Chen, Lianhai Zhang, Jiafu Ji
OBJECTIVE: To investigate the interval time to canceration, clinicopathological characteristics and prognostic factors of carcinoma in remnant stomach (CRS) in patients with primary benign diseases or primary malignant tumors. METHODS: Based on the criteria of the definition of CRS proposed by Japanese Gastric Cancer Association in 2017, a retrospective analysis was conducted on clinicopathological characteristics of patients diagnosed with CRS at Peking University Cancer Hospital from March 1992 to March 2017...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774141/exosome-mediated-peritoneal-dissemination-in-gastric-cancer-and-its-clinical-applications
#12
REVIEW
Kai-Bo Chen, Jian Chen, Xiao-Li Jin, Yi Huang, Qiu-Ming Su, Li Chen
The prognosis of patients with peritoneal dissemination from gastric cancer is poor, and the underlying molecular mechanism remains unclear. Exosomes, as macromolecular phospholipid bilayer vesicles comprising of proteins, nucleic acids and lipids, serve as mediators of cell-cell communication. Gastric cancer tumor-derived exosomes may be involved in the pathological process of peritoneal dissemination by mediating crosstalk between cancer cells and mesothelial cells, to result in the induction of enhanced tumor growth, migratory, adhesive and invasive abilities, peritoneal fibrosis and apoptosis, mesothelial-to-mesenchymal transition, angiogenesis and chemoresistance...
June 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29773002/clinicopathological-characteristics-and-prognoses-of-elderly-gastric-cancer-patients-after-r0-resection-a-multicenter-study-in-china
#13
Xinfu Ma, Dengfeng Ren, Jie Kan, Fangchao Zheng, Shuisheng Zhang, Yu Zhang, Yuying Li, Zhibo Liu, Linhan Ye, Guoshuang Shen, Ziyi Wang, Fuxing Zhao, Raees Ahmad, Jiuda Zhao
The number of elderly gastric cancer (GC) patients has been rapidly increasing worldwide, but inadequate understanding regarding elderly GC patients has led to the paucity of appropriate treatment decisions. Our study evaluates clinicopathological characteristics and prognoses of elderly GC patients after R0 resection. Overall, 1877 consecutive GC patients who underwent R0 gastrectomy at four centers were enrolled. We divided patients into three groups according to age: young, middle, and elderly. We then analyzed clinicopathological characteristics and prognoses...
2018: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29772522/bariatric-surgery-drives-major-rearrangements-of-the-intestinal-microbiota-including-the-biofilm-composition
#14
Giuseppina Campisciano, Carolina Cason, Silvia Palmisano, Michela Giuricin, Alessia Rizzardi, Lory Saveria Croce, Nicolo De Manzini, Manola Comar
The intestinal microbiota disequilibrium has been associated with obesity, while the role of the gut mucosal biofilms in this pathology is still unknown. We analysed the changes in the intestinal microbiota of obese patients after bariatric surgery with the aim of disclosing the rearrangement of the biofilm configuration. Although the bariatric surgery drives major rearrangements of the gut microbiota, obese patients maintain the Prevotella enterotype before and after surgery, as shown by normal weight patients, with an increase of Bacteroides vulgatus and Bacteroides uniformis ...
June 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/29771411/long-non-coding-rna-zeb1-as1-is-associated-with-poor-prognosis-in-gastric-cancer-and-promotes-cancer-cell-metastasis
#15
X-J Liu, S-L Li, J-S Li, H Lu, L-L Yin, W-F Zheng, W-C Wang
OBJECTIVE: To investigate the expression of long non-coding RNA zinc-finger E-box binding homeobox 1-AS1 (lncRNA ZEB1-AS1) in gastric cancer cells and tissues, to study its effect on the gastric cancer cell metastasis capacity, and analyze its clinical significance. PATIENTS AND METHODS: The relative expression level of lncRNA ZEB1-AS1 in gastric cancer cells was detected via quantitative reverse transcription polymerase chain reaction (qRT-PCR). Transwell assay was used to detect the effects of lncRNA ZEB1-AS1 on the invasion and metastasis capacities of gastric cancer cells...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29768377/occurrence-of-metachronous-multiple-primary-cancers-occurred-in-different-parts-of-the-stomach-with-2-pathologic-features-a-case-report
#16
Yan Song, Ningning Zhao, Kui Jiang, Zhongqing Zheng, Bangmao Wang, Dalu Kong, Shu Li
RATIONALE: With the increasing survival rate of gastric cancer, more multiple primary cancers (MPC) have been reported. However, few cases involve metachronous multiple primary cancers which both occurred in the stomach. PATIENT CONCERNS: An 83-year-old Chinese male had been diagnosed with gastric cardia cancer and underwent proximal gastrectomy. The pathological result was gastric adenocarcinoma. 13 years later the patient's gastroscope result deteriorated. The biopsy of the antrum revealed dysplasia with doubtful focal cancerization...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29766790/malt-lymphoma-stress-ulcer-and-cholinergic-nerves-from-the-viewpoint-of-bilateral-and-unilateral-truncal-vagotomy-and-substance-p
#17
Yosuke Kodama, Kazuki Sasaki, Futa Murasato, Anders Øverby, Shinichi Takahashi, Somay Y Murayama, Hidenori Matsui, Masahiko Nakamura
BACKGROUND: Vagal nerve plays an important role in the stomach function. The cholinergic nerves are the most abundantly distributed nerves in the gastric tissue. It has recently been reported that the vagal nerve is significantly related to both gastric cancer development and progression. However, its relation to the mesenchymal tumor, including MALT lymphoma, is not known. In this study, we investigated the effect of unilateral truncal vagotomy on gastric MALT lymphoma development by using Helicobacter heilmannii-infected mouse model as well as that of bilateral truncal vagotomy on stress-induced ulcer formation...
May 15, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29765934/autoimmune-gastritis-in-the-pediatric-age-an-underestimated-condition-report-of-two-cases-and-review
#18
Chiara Saglietti, Amedeo Sciarra, Karim Abdelrahman, Vanessa Schneider, Arti Karpate, Andreas Nydegger, Christine Sempoux
Background: Diagnosis of pediatric autoimmune gastritis (AIG) in children is important due to poor outcome and risk of malignancy. This condition is often underestimated in the clinico-pathologic diagnostic work-up, leading to delayed time-to-diagnosis. To increase the awareness of this condition in the pediatric population, we present two cases encountered at our institution, discuss their clinical, biological, and histological presentations in relation with evidence from the literature, and propose an algorithm for diagnosis and follow-up of AIG in children...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29765420/a-feasible-method-of-angiogenesis-assessment-in-gastric-cancer-using-3d-microvessel-density
#19
Lu Zhang, Fei Zheng, Zhigang Peng, Zijing Hu, Zhi Yang
Background: Cancer stem cell (CSC) promotes angiogenesis which plays an important role in tumor occurrence, growth, and metastasis. Accurately, quantifying the tumor vasculature can help understanding CSC characteristics and improve cancer diagnosis, therapy planning, and evaluation. The objective of this study is to present a method for improved angiogenesis assessment. Methods: We proposed a three-dimensional microvessel density (3D MVD) to evaluate tumor angiogenesis and tested it in animal models...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29756054/distinct-expression-and-prognostic-value-of-ms4a-in-gastric-cancer
#20
Lei Sun, Yanli Zhang, Chao Zhang
Gastric cancer has high malignancy and early metastasis, which lead to poor survival rate. In this study, we assessed the expressions and prognostic values of MS4A family, a newly recently discovered family, by two online dataset, GEPIA and Kaplan Meier-plotter. From these results eight members, MS4A2, MS4A6, MS4A7, MS4A8, MS4A14, MS4A15, TMEM176A and TMEM176B showed positive expression in gastric cancer or normal tissues, and these genes were screened for further analysis of prognostic values. We observed that low mRNA expressions of MS4A2, MS4A7, MS4A14, MS4A15, TMEM176A and TMEM176B were correlated with better overall survival (OS) in all gastric cancer patients, while high mRNA expression of MS4A6 was observed to be associated with good prognosis...
2018: Open Medicine (Warsaw, Poland)
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