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https://www.readbyqxmd.com/read/28344174/core-shell-eudragit-poly-ethylene-oxide-fibers-for-site-specific-release
#1
Dong Jia, Yanshan Gao, Gareth R Williams
Electrospinning was used to prepare core/shell fibers containing the active pharmaceutical ingredients indomethacin (IMC) or mebeverine hydrochloride (MB-HCl). The shell of the fibers was fabricated from the pH sensitive Eudragit S100 polymer, while the drug-loaded core was based on the mucoadhesive polyethylene oxide (PEO). Three different drug loadings (from 9-23% w/w of the core mass) were prepared, and for MB-HCl two different molecular weights of PEO were explored. The resultant fibers generally comprise smooth cylinders, although in some cases defects such as surface particles or flattened or merged fibers were visible...
March 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28342951/a-model-to-identify-individuals-at-high-risk-for-esophageal-squamous-cell-carcinoma-and-precancerous-lesions-in-regions-of-high-prevalence-in-china
#2
Mengfei Liu, Zhen Liu, Hong Cai, Chuanhai Guo, Xiang Li, Chaoting Zhang, Hui Wang, Dong Hang, Fangfang Liu, Qiuju Deng, Xin Yang, Wenqing Yuan, Yaqi Pan, Jingjing Li, Chanyuan Zhang, Na Shen, Zhonghu He, Yang Ke
BACKGROUND & AIMS: We aimed to develop a population-based model to identify individuals at high-risk for esophageal squamous cell carcinoma (ESCC) in regions of China with a high prevalence of this cancer. METHODS: We collected findings from 15,073 permanent residents (45-69 years old) of 334 randomly selected villages in Hua County, Henan Province, China who underwent endoscopic screening (with iodine staining) for ESCC from January 2012 through September 2015...
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28340393/when-public-health-intervention-is-not-successful-cost-sharing-crowd-out-and-selection-in-korea-s-national-cancer-screening-program
#3
Hyuncheol Bryant Kim, Sun-Mi Lee
This study investigates the impact of and behavioral responses to cost sharing in Korea's National Cancer Screening Program, which provides free stomach and breast cancer screenings to those with an income below a certain cutoff. Free cancer screening substantially increases the screening take up rate, yielding more cancer detections. However, the increase in cancer detection is quickly crowded out by cancer detection through other channels such as diagnostic testing and private cancer screening. Further, compliers are much less likely to have cancer than never takers...
March 6, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28338646/type-iv-secretion-and-signal-transduction-of-helicobacter-pylori-caga-through-interactions-with-host-cell-receptors
#4
REVIEW
Steffen Backert, Nicole Tegtmeyer
Helicobacter pylori is a highly successful human bacterium, which is exceptionally equipped to persistently inhabit the human stomach. Colonization by this pathogen is associated with gastric disorders ranging from chronic gastritis and peptic ulcers to cancer. Highly virulent H. pylori strains express the well-established adhesins BabA/B, SabA, AlpA/B, OipA, and HopQ, and a type IV secretion system (T4SS) encoded by the cag pathogenicity island (PAI). The adhesins ascertain intimate bacterial contact to gastric epithelial cells, while the T4SS represents an extracellular pilus-like structure for the translocation of the effector protein CagA...
March 24, 2017: Toxins
https://www.readbyqxmd.com/read/28338204/nsd2-promotes-osteosarcoma-cell-proliferation-and-metastasis-by-inhibiting-e-cadherin-expression
#5
M-H Lu, M-F Fan, X-D Yu
OBJECTIVE: Osteosarcoma is one of the most common malignant bone tumors. The mechanisms of osteosarcoma development and invasion have been studied for periods of time, yet targeted therapy for improving survival has not been well established. Histone lysine methyltransferase NSD2 was frequently overexpressed in multiple types of cancer such as multiple myeloma, stomach and colon cancer, and the overexpression of it usually associated with aggressiveness tumor type. However, the expression status and function of NSD2 are still ambiguous in osteosarcoma...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28338161/-clinical-significance-of-no-12-lymph-node-dissection-for-advanced-gastric-cancer
#6
Xiaolan You, Yuanjie Wang, Wenqi Li, Xiaojun Zhao, Zhiyi Cheng, Ning Xu, Chuanjiang Huang, Guiyuan Liu
OBJECTIVE: To evaluate the clinical significance of No.12 lymph node dissection for advanced gastric cancer with D2 lymphadenectomy. METHODS: Clinicopathologic data and No.12 lymph node dissection of 256 advanced gastric cancer patients undergoing radical operation in our department between January 2005 and December 2010 were retrospectively summarized and the influence factors of metastasis in No.12 lymph nodes were analyzed. RESULTS: Of 256 patients, 179 were male and 77 were female with the average age of 59...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28337660/topgear-a-randomized-phase-iii-trial-of-perioperative-ecf-chemotherapy-with-or-without-preoperative-chemoradiation-for-resectable-gastric-cancer-interim-results-from-an-international-intergroup-trial-of-the-agitg-trog-eortc-and-cctg
#7
Trevor Leong, B Mark Smithers, Karin Haustermans, Michael Michael, Val Gebski, Danielle Miller, John Zalcberg, Alex Boussioutas, Michael Findlay, Rachel L O'Connell, Jaclyn Verghis, David Willis, Tomas Kron, Melissa Crain, William K Murray, Florian Lordick, Carol Swallow, Gail Darling, John Simes, Rebecca Wong
BACKGROUND: Postoperative chemoradiation and perioperative chemotherapy using epirubicin/cisplatin/5-fluorouracil (ECF) represent two standards of care for resectable gastric cancer. In the TOPGEAR (Trial Of Preoperative therapy for Gastric and Esophagogastric junction AdenocaRcinoma) trial, we hypothesized that adding preoperative chemoradiation to perioperative ECF will improve survival; however, the safety and feasibility of preoperative chemoradiation have yet to be determined. METHODS: TOPGEAR is an international phase III trial in which patients with adenocarcinoma of the stomach were randomized to perioperative ECF alone or with preoperative chemoradiation...
March 23, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28337367/a-case-of-advanced-gastric-cancer-with-para-aortic-lymph-node-metastasis-from-co-occurring-prostate-cancer
#8
Miyeong Park, Sang-Ho Jeong, Young-Joon Lee, Ji-Ho Park, Sang-Kyung Choi, Soon-Chan Hong, Eun-Jung Jung, Young-Tae Ju, Chi-Young Jeong, Jeong-Hee Lee, Woo-Song Ha
An 84-year-old man was diagnosed with two synchronous adenocarcinomas, a Borrmann type IV advanced gastric adenocarcinoma in his antrum and a well-differentiated Borrmann type I carcinoma on the anterior wall of the higher body of his stomach. Pre-operatively, computed tomography of the abdomen revealed the presence of advanced gastric cancer with peri-gastric and para-aortic lymph node (LN) metastasis. He planned for palliative total gastrectomy owing to the risk of obstruction by the antral lesion. We performed a frozen biopsy of a para-aortic LN during surgery and found that the origin of the para-aortic LN metastasis was from undiagnosed prostate cancer...
March 2017: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28337358/gastric-cancer-and-angiogenesis-is-vegf-a-useful-biomarker-to-assess-progression-and-remission
#9
REVIEW
Filipa Macedo, Kátia Ladeira, Adhemar Longatto-Filho, Sandra F Martins
Gastric cancer (GC) has high mortality owing to its aggressive nature. Tumor angiogenesis plays an essential role in the growth, invasion, and metastatic spread of GC. The aim of this work was to review the angiogenic biomarkers related to the behavior of GC, documented in the literature. A search of the PubMed database was conducted with the MeSH terms: "Stomach neoplasms/blood [MeSH] or stomach neoplasms/blood supply [MeSH] and angiogenic proteins/blood [Major]". A total of 30 articles were initially collected, and 4 were subsequently excluded...
March 2017: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28336725/quantitative-shotgun-proteomics-unveils-candidate-novel-oesophageal-adenocarcinoma-specific-proteins
#10
J Robert O'Neill, Hui-Song Pak, Erola Pairo-Castineira, Vicki Save, Simon Paterson-Brown, Rudolf Nenutil, Bořivoj Vojtěšek, Ian Overton, Alex Scherl, Ted R Hupp
Oesophageal cancer is the eighth most common cancer worldwide and the majority of patients have systemic disease at presentation. Oesophageal adenocarcinoma (OAC), the predominant subtype in western countries, is largely resistant to current chemotherapy regimens. Selective markers are needed to enhance clinical staging and to allow targeted therapies yet there are minimal proteomic data on this cancer type. After histological review, lysates from OAC and matched normal oesophageal and gastric samples from seven patients were subjected to LC MS/MS after tandem mass tag labelling and OFFGEL fractionation...
March 23, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28336107/enriched-enteral-nutrition-may-improve-short-term-survival-in-stage-iv-gastric-cancer-patients-a-randomized-controlled-trial
#11
Stanislaw Klek, Lucyna Scislo, Elzbieta Walewska, Ryszard Choruz, Aleksander Galas
OBJECTIVE: The aim of the study was to determine whether the postoperative use of enteral nutrition enriched with arginine, glutamine, and omega-3 fatty acids influences survival in patients diagnosed with stomach cancer. For the purpose of the study, the second wave of the trial performed in 2003 to 2009 was done. METHODS: Ninety-nine patients who underwent surgery for gastric cancer (27 F, 72 M, mean age: 62.9 y) met the inclusion criteria. Of those, 54 were randomized to standard and 45 to enriched enteral nutrition (EEN)...
April 2017: Nutrition
https://www.readbyqxmd.com/read/28331875/a-novel-endoscopic-technique-to-diagnose-gastric-cancer-in-excluded-stomach-after-roux-en-y-gastric-bypass
#12
Rashmi Kumar, Teodor C Pitea
Access to the bypassed portion of the stomach after Roux-en-Y gastric bypass remains a challenge. We present a case of 64-year-old woman who presented with gastric outlet obstruction. We used a novel endoscopic technique to access the bypassed stomach by creating a jejunogastrostomy using a specialized stent, which allowed the insertion of a pediatric gastroscope to examine the bypassed portion of the stomach. Stomach biopsies revealed poorly differentiated adenocarcinoma with signet cell features.
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28331560/introducing-crucial-protein-panel-of-gastric-adenocarcinoma-disease
#13
Mostafa Rezaei-Tavirani, Majid Rezaei-Tavirani, Vahid Mansouri, Seyed Mohammad Mahdavi, Reza Valizadeh, Mohammad Rostami-Nejad, Mohammad Reza Zali
AIM: Since interactome analysis of diseases can provide candidate biomarker panel related to the diseases, in this research, protein-protein interaction (PPI) network analysis is used to introduce the involved crucial proteins in Gastric adenocarcinoma (GA). BACKGROUND: Gastric adenocarcinoma (GA) is the most common type of stomach cancer. There is no efficient diagnostic molecular method for GA. METHOD: Applying Cytoscape software 3.4.0 and String Database, the PPI network was constructed for 200 genes...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28331349/antibiotic-resistance-among-helicobacter-pylori-clinical-isolates-in-lima-peru
#14
Kevin F Boehnke, Manuel Valdivieso, Alejandro Bussalleu, Rachael Sexton, Kathryn C Thompson, Soledad Osorio, Italo Novoa Reyes, John J Crowley, Laurence H Baker, Chuanwu Xi
OBJECTIVES: Gastric carcinoma is the most common cancer and cause of cancer mortality in Peru. Helicobacter pylori, a bacterium that colonizes the human stomach, is a Group 1 carcinogen due to its causal relationship to gastric carcinoma. While eradication of H. pylori can help prevent gastric cancer, characterizing regional antibiotic resistance patterns is necessary to determine targeted treatment for each region. Thus, we examined primary antibiotic resistance in clinical isolates of H...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28330507/is-admittance-to-specialised-palliative-care-among-cancer-patients-related-to-sex-age-and-cancer-diagnosis-a-nation-wide-study-from-the-danish-palliative-care-database-dpd
#15
Mathilde Adsersen, Lau Caspar Thygesen, Anders Bonde Jensen, Mette Asbjoern Neergaard, Per Sjøgren, Mogens Groenvold
BACKGROUND: Specialised palliative care (SPC) takes place in specialised services for patients with complex symptoms and problems. Little is known about what determines the admission of patients to SPC and whether there are differences in relation to institution type. The aims of the study were to investigate whether cancer patients' admittance to SPC in Denmark varied in relation to sex, age and diagnosis, and whether the patterns differed by type of institution (hospital-based palliative care team/unit, hospice, or both)...
March 23, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/28327924/long-term-outcome-of-487-patients-with-early-stage-extra-nodal-marginal-zone-lymphoma
#16
S Teckie, S Qi, M Chelius, S Lovie, M Hsu, A Noy, C Portlock, J Yahalom
Background: Localized early-stage extra-nodal marginal zone lymphoma (MZL) presents with heterogeneous organ involvement and is treated with various modalities, including resection, radiotherapy, and systemic therapy. We report the long-term outcome of a large cohort of extra-nodal MZL and assess the impact of patient and disease characteristics, organ site, and treatment strategy on disease control and survival. Patients and Methods: We identified 487 consecutive patients with stage IE or IIE MZL referred between 1992 and 2012 to Memorial Sloan Kettering Cancer Center...
January 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327275/a-population-based-study-of-outcomes-in-patients-with-gastrointestinal-neuroendocrine-tumours
#17
Todd McMullen, Akram Al-Jahdali, Christopher de Gara, Sunita Ghosh, Alexander McEwan, Daniel Schiller
BACKGROUND: Neuroendocrine tumours (NETs) are heterogeneous, with varying presentations and treatment options. To our knowledge, there are no randomized and few long-term studies of patient outcomes. The role of surgical and medical therapy for local, regional and metastatic disease continues to be evaluated in the literature. METHODS: We conducted a population-based search of the provincial cancer registry to identify patients with gastrointestinal NETs from the stomach, small intestine, colon and rectum diagnosed between 1990 and 2005 and assessed their outcomes...
April 1, 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28325187/postgastrectomy-syndromes-and-nutritional-considerations-following-gastric-surgery
#18
REVIEW
Jeremy L Davis, R Taylor Ripley
Postgastrectomy syndromes result from altered form and function of the stomach. Gastrectomy disrupts reservoir capacity, mechanical digestion and gastric emptying. Early recognition of symptoms with prompt evaluation and treatment is essential. Many syndromes resolve with minimal intervention or dietary modifications. Re-operation is not common but often warranted for afferent and efferent loop syndromes and bile reflux gastritis. Preoperative nutritional assessment and treatment of common vitamin and mineral deficiencies after gastrectomy can reduce the incidence of chronic complications...
April 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28325058/-mixed-adenoneuroendocrine-carcinoma-manec-of-the-gastrointestinal-tract
#19
R Šefr, L Němec, P Fabian, L Fiala
Mixed adenoneuroendocrine carcinoma (MANEC) is a rare tumour of the gastrointestinal tract composed of adenocarcinoma and neuroendocrine carcinoma. This pathologic diagnosis was recently defined by the WHO in 2010. The tumour may appear in various levels of the digestive tract including the oesophagus, stomach, colon and appendix. Biological behaviour of MANEC seems to be quite unpredictable and the prognosis uncertain. The disease may also mimic "simple" carcinoma. Only several tens of cases have been reported so far...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28324283/prognostic-value-of-computed-tomography-measured-parameters-of-body-composition-in-primary-operable-gastrointestinal-cancers
#20
Douglas Black, Craig Mackay, George Ramsay, Zaid Hamoodi, Shayanthan Nanthakumaran, Kenneth G M Park, Malcolm A Loudon, Colin H Richards
BACKGROUND: Previous reports suggest that body composition parameters can be used to predict outcomes for patients with gastrointestinal (GI) cancers. However, evidence for an association with long-term survival is conflicting, with much of the data derived from patients with advanced disease. This study examined the effect of body composition on survival in primary operable GI cancer. METHODS: Patients with resectable adenocarcinoma of the GI tract (esophagus, stomach, colon, rectum) between 2006 and 2014 were identified from a prospective database...
March 21, 2017: Annals of Surgical Oncology
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