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https://www.readbyqxmd.com/read/28934826/-endoscopic-treatment-of-gastric-adenoma
#1
REVIEW
Cheal Wung Huh, Byung Wook Kim
Gastric adenoma (dysplasia) is a precancerous lesion. Therefore, managements of gastric adenomas are important for preventing the development of gastric cancers and for detecting gastric cancers at earlier stages. The Vienna classification divides gastric adenomas into two categories: high-grade dysplasia and low-grade dysplasia. Generally, endoscopic resection is performed for adenoma with high-grade dysplasia due to the coexistence of carcinoma and the potential of progression to carcinomas. However, the treatments of adenoma with low-grade dysplasia remain controversial...
September 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28932213/petri-net-based-model-of-helicobacter-pylori-mediated-disruption-of-tight-junction-proteins-in-stomach-lining-during-gastric-carcinoma
#2
Anam Naz, Ayesha Obaid, Faryal M Awan, Aqsa Ikram, Jamil Ahmad, Amjad Ali
Tight junctions help prevent the passage of digestive enzymes and microorganisms through the space between adjacent epithelial cells lining. However, Helicobacter pylori encoded virulence factors negatively regulate these tight junctions and contribute to dysfunction of gastric mucosa. Here, we have predicted the regulation of important tight junction proteins, such as Zonula occludens-1, Claudin-2 and Connexin32 in the presence of pathogenic proteins. Molecular events such as post translational modifications and crosstalk between phosphorylation, O-glycosylation, palmitoylation and methylation are explored which may compromise the integrity of these tight junction proteins...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28930817/cronkhite-canada-syndrome-associated-with-colon-cancer-metastatic-to-liver-a-case-report
#3
Jing Wang, Lei Zhao, Nina Ma, Juanjuan Che, Huihui Li, Bangwei Cao
RATIONALE: Cronkhite-Canada Syndrome (CCS) is an idiopathic, nonhereditary syndrome haracterized by gastrointestinal (GI) polyposis and ectodermal changes including alopecia, onychatrophia, and pigmentation. CCS colon polyps were previously considered to be benign neoplasms. However, serrated adenoma was reported to be associated with malignant neoplasms in some cases of gastric and colorectal carcinomas, and esophageal cancers. Although malignant colon and gastric cancer have been reported in CCS, reports of distant metastasis have been rare in CCS...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28929584/association-between-oral-leukoplakia-and-risk-of-upper-gastrointestinal-cancer-death-a-follow-up-study-of-the-linxian-general-population-trial
#4
He Liang, Zhao Yang, Jian-Bing Wang, Pei Yu, Jin-Hu Fan, You-Lin Qiao, Philip R Taylor
BACKGROUND: This study was conducted to explore the association between oral leukoplakia (OL) and the risk of upper gastrointestinal cancer death in the Linxian General Population Trial Cohort. METHODS: A prospective cohort study of the Linxian General Population Trial Cohort was performed. Participants with OL were treated as an exposed group, and the remainder was selected as a control group. All subjects were followed monthly by village health workers and reviewed quarterly by the Linxian Cancer Registry...
September 20, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28928881/low-expression-of-cdk10-correlates-with-adverse-prognosis-in-gastric-carcinoma
#5
Bai-Wei Zhao, Shi Chen, Yuan-Fang Li, Jun Xiang, Zhi-Wei Zhou, Jun-Sheng Peng, Ying-Bo Chen
Background: Cyclin-dependent kinase (CDK) 10, is reported to play an essential role in the progression from the G2 to M phase of the cell cycle. Recently, reduced expression of CDK10 has been observed in several cancerous human tissue, suggesting that CDK10 is a tumor suppressor gene. However, data on its expression pattern and clinical relevance in gastric cancer are not sufficient. Therefore, this study aims to investigate CDK10 expression and its prognostic significance in primary gastric adenocarcinoma...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28927144/mir-381-inhibits-migration-and-invasion-in-human-gastric-carcinoma-through-downregulatedting-sox4
#6
Mingming Zhang, Shishu Huang, Dan Long
Aberrant expression of microRNAs (miRs) serves essential roles in the generation and progression of various types of human cancer. In the present study, the expression and biological functions of miR-381 in human gastric carcinoma (GC) were focused upon. The results of reverse transcription-quantitative polymerase chain reaction analysis revealed that the expression of miR-381 was significantly downregulated in GC tissue samples. Furthermore, low expression of miR-381 was identified to be associated with lymphatic metastasis and advanced tumor-node-metastasis stage (III+IV)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926119/procaine-is-a-specific-dna-methylation-inhibitor-with-anti-tumor-effect-for-human-gastric-cancer
#7
Yong-Chao Li, Yun Wang, Dan-Dan Li, Ying Zhang, Tian-Cheng Zhao, Chang-Feng Li
DNA hypermethylation and the silencing of tumor suppressor genes caused by DNA hypermethylation is considered as a molecular hallmark of many kinds of cancers. Procaine, a local anesthetic, has been shown as a potential DNA methylation inhibitor in some types of cancers. However, the influence of procaine on DNA methylation regulation as well as the biological function in gastric cancer is still unknown. We report here that procaine represses the DNA-methylation level and promotes the proliferation arrest and apoptosis of gastric cancer cells...
September 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28924721/carcinoma-in-the-remnant-stomach-during-long-term-follow-up-after-distal-gastrectomy-for-gastric-cancer-analysis-of-cumulative-incidence-and-associated-risk-factors
#8
Takaaki Hanyu, Atsuhiro Wakai, Takashi Ishikawa, Hiroshi Ichikawa, Hitoshi Kameyama, Toshifumi Wakai
BACKGROUND: The number of patients with remnant gastric cancer following resection of gastric cancer may increase. The aims of this study were to investigate the development of remnant gastric cancer after distal gastrectomy for gastric cancer and to examine its cumulative incidence, clinicopathological characteristics, and risk factors. METHODS: We examined 437 patients with relapse-free survival for 5 years or more after distal gastrectomy with Billroth I reconstruction for gastric cancer performed between 1985 and 2005...
September 18, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28924517/breast-cancer-metastases-to-the-gastrointestinal-tract-presenting-with-anemia-and-intra-abdominal-bleed
#9
Idrees Khan, Rehan Malik, Amina Khan, Salman Assad, Mehr Zahid, Muhammad Saad Sohail, Faizan Yasin, Ahmed H Qavi
Signet ring adenocarcinoma of the breast with synchronous metastasis to the gastrointestinal (GI) tract is a rare occurrence, typically presenting with abdominal pain, dyspepsia, or GI bleed. We report a case of metastatic breast cancer presenting with a complaint of anemia. A further diagnostic evaluation revealed generalized lymphadenopathy, nodular thickening of the urinary bladder wall, bone lesions, and enlarged pancreas. Biopsies from the lymph nodes, pancreatic biopsy, and bladder nodule all revealed a signet cell carcinoma...
July 6, 2017: Curēus
https://www.readbyqxmd.com/read/28921304/expression-and-purification-of-an-fgf9-fusion-protein-in-e-coli-and-the-effects-of-the-fgf9-subfamily-on-human-hepatocellular-carcinoma-cell-proliferation-and-migration
#10
Shen Wang, Haipeng Lin, Tiantian Zhao, Sisi Huang, David G Fernig, Nuo Xu, Fenfang Wu, Mi Zhou, Chao Jiang, Haishan Tian
Fibroblast growth factor (FGF) 9 has oncogenic activity and plays an important role in the development of ovarian, lung, prostate, and gastric cancers. In the present study, with the aim of reducing the cost of utilizing growth factors in cancer research, a simple and efficient method for the preparation of recombinant human (rh)FGF9 in Escherichia coli was established. The rhFGF9 fusion protein (6 × His-TEV-rhFGF9) and the native protein released by tobacco etch virus (TEV) protease were obtained using a Ni-NTA system, with > 95% purity...
September 18, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28920160/preoperative-albumin-bilirubin-grade-predicts-recurrences-after-radical-gastrectomy-in-patients-with-pt2-4-gastric-cancer
#11
Mitsuro Kanda, Chie Tanaka, Daisuke Kobayashi, Hiroaki Uda, Kenichi Inaoka, Yuri Tanaka, Masamichi Hayashi, Naoki Iwata, Suguru Yamada, Tsutomu Fujii, Hiroyuki Sugimoto, Kenta Murotani, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND: The albumin-bilirubin (ALBI) score was initially developed for assessing liver dysfunction severity and was suggested to have prognostic value in patients with hepatocellular carcinoma. We aimed to evaluate the prognostic impact of ALBI grade in patients with advanced gastric cancer (GC) after radical gastrectomy. METHODS: This study included 283 patients who underwent radical gastrectomy for pT2-4 GC without preoperative treatment. ALBI was calculated as follows: (log10 bilirubin (μmol/L) × 0...
September 18, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28919710/irinotecan-and-5-fluorouracil-co-loaded-hyaluronic-acid-modified-layer-by-layer-nanoparticles-for-targeted-gastric-carcinoma-therapy
#12
Zhuanglei Gao, Zhaoxia Li, Jieke Yan, Peilin Wang
For targeted gastric carcinoma therapy, hyaluronic acid (HA)-modified layer-by-layer nanoparticles (NPs) are applied for improving anticancer treatment efficacy and reducing toxicity and side effects. The aim of this study was to develop HA-modified NPs for the co-loading of irinotecan (IRN) and 5-fluorouracil (5-FU). A novel polymer-chitosan (CH)-HA hybrid formulation (HA-CH-IRN/5-FU NPs) consisting of poly(d,l-lactide-co-glycolide) (PLGA) and IRN as the core, CH and 5-FU as a shell on the core and HA as the outmost layer was prepared...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28919620/role-of-serum-pepsinogen-i-and-ii-ratio-in-screening-of-gastric-carcinoma
#13
A Begum, M A Baten, Z Begum, M M Ahsan, S F Rahman, F Chowdhury, A H Khan
In spite of the global decline in its incidence and mortality, gastric carcinoma still remains a major cause of death due to cancer. Early detection of gastric carcinoma is expected to reduce mortality rates. The applications of measuring of pepsinogen I and pepsinogen II are useful in screening of gastric carcinoma. This cross sectional comparative study was done to find out the correlation of histopathological pattern of gastric carcinoma with serum pepsinogen I & II ratio in the Department of Pathology, Sylhet MAG Osmani Medical College, Sylhet, Bangladesh from January 2010 to December 2010...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28918544/tumor-regression-grading-of-gastrointestinal-cancers-after-neoadjuvant-therapy
#14
REVIEW
Rupert Langer, Karen Becker
Neoadjuvant therapy has been successfully introduced in the treatment of locally advanced gastrointestinal malignancies, particularly esophageal, gastric, and rectal cancers. The effects of preoperative chemo- or radiochemotherapy can be determined by histopathological investigation of the resection specimen following this treatment. Frequent histological findings after neoadjuvant therapy include various amounts of residual tumor, inflammation, resorptive changes with infiltrates of foamy histiocytes, foreign body reactions, and scarry fibrosis...
September 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28915689/different-long-term-oncologic-outcomes-after-radical-surgical-resection-for-neuroendocrine-carcinoma-and-adenocarcinoma-of-the-stomach
#15
Jian-Wei Xie, Jun Lu, Jian-Xian Lin, Chao-Hui Zheng, Ping Li, Jia-Bin Wang, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Chang-Ming Huang
PURPOSE: To explore differences in long-term outcomes between gastric neuroendocrine carcinoma (GNEC) and gastric adenocarcinoma (GAC). METHODS: One hundred GNEC patients and 3089 GAC patients were enrolled. Differences in long-term outcomes between the groups were analyzed by 1:2 propensity score matching. RESULTS: Statistically significant differences between the groups were noted in terms of gender, American Society of Anesthesiologists score, tumor size, T stage, N stage, TNM stage and surgical approach...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914716/diagnostic-utility-of-satb2-in-metastatic-krukenberg-tumors-of-the-ovary-an-immunohistochemical-study-of-70-cases-with-comparison-to-cdx2-ck7-ck20-chromogranin-and-synaptophysin
#16
Chen Yang, Li Sun, Lingxin Zhang, Lixin Zhou, Ming Zhao, Yan Peng, Dongfeng Niu, Zhongwu Li, Xiaozheng Huang, Qiang Kang, Lin Jia, Jinping Lai, Dengfeng Cao
SATB2 is a sensitive marker for colorectal adenocarcinomas. No study has investigated its diagnostic utility in metastatic Krukenberg tumors (MKTs) of the ovary. Here we performed immunohistochemical staining SATB2 in 70 MKTs of various origins (stomach 27, colorectum 13, appendix 20 including 19 metastatic adenocarcinomas ex goblet cell carcinoids [AdexGCC] and 1 conventional poorly differentiated carcinoma with signet ring cells, breast 5, bladder 3, lung 2) to assess its diagnostic utility. We also compared SATB2 with CDX2, CK7, CK20, chromogranin, and synaptophysin in MKTs of gastric origin (MKTs-stomach), those of colorectal origin (MKTs-colorectum) and those due to appendiceal AdexGCCs (MKT-AdexGCCs) for their sensitivity and specificity to distinguish these tumors...
September 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28912412/-a-case-of-advanced-neuroendocrine-cell-carcinoma-of-the-stomach-treated-with-s-1-and-cisplatin-chemotherapy
#17
Mikiko Sakuraya, Yoshimasa Shimizu, Nobuo Tachikawa, Hitoshi Hara, Masaki Ohashi, Tomoo Shatari, Masao Hori
A 69-year-old man presented to our hospital because of epigastric pain. A type 2 lesion was seen in the lesser curvature of the antrum of the stomach. A moderately differentiated adenocarcinoma(human epidermal growth factor receptor 2-negative) was diagnosed by biopsy. Abdominal computed tomography showed a mass shadow 52mm in diameter in the pyloric region invading the surrounding organs, but no evidence of distant metastasis. Chemotherapy with S-1 and cisplatin(SP therapy)was initiated because of a diagnosis of locally advanced gastric cancer...
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28912017/indoleamine-2-3-dioxygenase-1-increased-in-human-gastric-pre-neoplasia-promotes-inflammation-and-metaplasia-in-mice-and-is-associated-with-type-ii-hypersensitivity-autoimmunity
#18
Mohamad El-Zaatari, Adam J Bass, Reanne Bowlby, Min Zhang, Li-Jyun Syu, Yitian Yang, Helmut Grasberger, Andrew Shreiner, Bei Tan, Shrinivas Bishu, Wai K Leung, Andrea Todisco, Nobuhiko Kamada, Marilia Cascalho, Andrzej A Dlugosz, John Y Kao
BACKGROUND & AIMS: Chronic gastrointestinal inflammation increases the risk of cancer by mechanisms that are not well understood. Indoleamine-2,3-dioxygenase 1 (IDO1) is a heme-binding enzyme that regulates the immune response via catabolization and regulation of tryptophan availability for immune cell uptake. IDO1 expression is increased during the transition from chronic inflammation to gastric metaplasia. We investigated whether IDO1 contributes to the inflammatory response that mediates loss of parietal cells leading to metaplasia...
September 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28910818/protein-expression-of-programmed-death-1-ligand-1-and-her2-in-gastric-carcinoma
#19
Eiji Oki, Shinji Okano, Hiroshi Saeki, Yuichiro Umemoto, Koji Teraishi, Yu Nakaji, Koji Ando, Yoko Zaitsu, Nami Yamashita, Masahiko Sugiyama, Yuichiro Nakashima, Kippei Ohgaki, Yoshinao Oda, Yoshihiko Maehara
OBJECTIVES: Programmed death 1 (PD-1) is an immunoinhibitory receptor and has been identified as a new target for immunotherapy in cancer. Here we report the expression of PD-1 ligand 1 (PD-L1) in surgically resected gastric cancer. MATERIALS AND METHODS: We examined formalin-fixed tumor samples from 144 gastric cancer patients with a primary diagnosis of gastric carcinoma. Immunohistochemistry was used to detect PD-L1. Human epidermal growth factor receptor 2 (HER2) expression and phosphatase and tensin homolog (PTEN) loss of heterozygosity were investigated in these patients...
September 15, 2017: Oncology
https://www.readbyqxmd.com/read/28905005/management-of-gastric-cancer-in-indian-population
#20
REVIEW
Mohammed Ibrahim, Kissan Gilbert
Adenocarcinoma stands the most common malignancies in the gastric carcinomas and holds a significant mortality and morbidity rates annually, due to the early vague symptoms among the population and hence the delayed presentation at advanced stages of cancer. In India the screening programs for gastric cancer has been a setback due to various logistics reasons and the data available from reporting is also not content. Our study is a review article featuring the management of gastric cancer in the Indian population...
2017: Translational Gastroenterology and Hepatology
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