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https://www.readbyqxmd.com/read/28437293/increased-cancer-incidence-in-the-local-population-around-metal-contaminated-glassworks-sites
#1
Fredrik Nyqvist, Ingela Helmfrid, Anna Augustsson, Gun Wingren
OBJECTIVE: The aim of this study was to examine mortality causes and cancer incidence in a population cohort that have resided in close proximity to highly metal-contaminated sources, characterized by contamination of, in particular, arsenic (As), cadmium (Cd), and lead (Pb). METHODS: Data from Swedish registers were used to calculate standardized mortality and cancer incidence ratios. An attempt to relate cancer incidence to metal contamination levels was made...
April 21, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28433552/roscovitine-attenuates-intimal-hyperplasia-via-inhibiting-nf-%C3%AE%C2%BAb-and-stat3-activation-induced-by-tnf-%C3%AE-in-vascular-smooth-muscle-cells
#2
Ming He, Chao Wang, Jia-Huan Sun, Yu Liu, Hong Wang, Jing-Shan Zhao, Yun-Feng Li, Hong Chang, Jian-Ming Hou, Jun-Na Song, Ai-Ying Li, En-Sheng Ji
Roscovitine is a selective CDK inhibitor originally designed as anti-cancer agent, which has also been shown to inhibit proliferation in vascular smooth muscle cells (VSMCs). However, its effect on vascular remodeling and its mechanism of action remain unknown. In our study, we created a new intimal hyperplasia model in male Sprague-Dawley rats by trypsin digestion method, which cause to vascular injury as well as the model of rat carotid balloon angioplasty. Roscovitine administration led to a significant reduction in neointimal formation and VSMCs proliferation after injury in rats...
April 19, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28427177/an-endoscopic-ultrasonography-guided-interstitial-brachytherapy-based-special-treatment-planning-system-for-unresectable-pancreatic-cancer
#3
Xiaotian Sun, Zheng Lu, Yijun Wu, Min Min, Yiliang Bi, Wei Shen, Yang Xu, Zhaoshen Li, Zhendong Jin, Yan Liu
EUS-guided interstitial brachytherapy is promising in the treatment of unresectable malignant carcinoma adjacent to the digestive tract. The feasible treatment plan is not established. Thus, our study aimed to develop a novel treatment plan and evaluate the feasibility in patients with unresectable pancreatic cancer. A total of 42 patients with unresectable pancreatic cancer (stage III: n = 18; stage IV: n = 24) were retrospectively included. A special treatment-planning system (TPS) for EUS was designed and evaluated by comparing with the traditional TPS...
February 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421777/quality-control-of-enteral-nutrition-therapy-in-cancer-patients-at-nutritional-risk
#4
Ariana Lee, Ronaldo Sousa Oliveira Filho, Thais De Campos Cardenas, Gislaine Aparecida Ozório, Juliana Pereira Lima Gropp, Dan Linetzky Waitzberg
INTRODUCTION: Quality indicators in nutritional therapy (QINTs) allow for the practical assessment of quality in the management of enteral nutrition therapy (ENT) among hospitalized patients. OBJECTIVE: To control ENT quality in cancer patients at nutritional risk. METHODS: A prospective, observational study was performed with cancer patients over 19 years of age who had undergone exclusive ENT for at least 72 h. Nutritional Risk Screening was used to assess nutritional risk; in the presence of nutritional risk, the Subjective Global Assessment (SGA) was used...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28419412/eliminating-malignant-cells-from-cryopreserved-ovarian-tissue-is-possible-in-leukaemia-patients
#5
Michelle Soares, Pascale Saussoy, Mathilde Maskens, Hélène Reul, Christiani A Amorim, Jacques Donnez, Marie-Madeleine Dolmans
Reimplantation of cryopreserved ovarian tissue (OT) can successfully restore ovarian function in young cancer patients after gonadotoxic treatment. However, for patients with leukaemia, there is a risk of malignant cell transmission. Our objective was to evaluate minimal disseminated disease in OT from leukaemia patients and test a follicle isolation technique to obtain disease-free follicle suspensions. Cryopreserved OT from 12 leukaemia patients was thawed and analysed by histology and long-term xenografting in immunosuppressed mice...
April 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28418082/non-digestible-carbohydrates-supplementation-increases-mir-32-expression-in-the-healthy-human-colorectal-epithelium-a-randomized-controlled-trial
#6
Fiona C Malcomson, Naomi D Willis, Iain McCallum, Long Xie, Bart Lagerwaard, Seamus Kelly, Michael Bradburn, Nigel J Belshaw, Ian T Johnson, John C Mathers
Colorectal cancer (CRC) risk is modulated by diet and there is convincing evidence of reduced risk with higher non-digestible carbohydrates (NDCs) consumption. Resistant starch (RS), a NDC, positively modulates the expression of oncogenic microRNAs, suggesting that this could be a mechanism through which NDCs protect against CRC. The present study aimed to investigate the effects of supplementation with two NDCs, RS and polydextrose (PD), on microRNA expression in the macroscopically-normal human rectal epithelium using samples from the DISC Study, a randomised, double-blind, placebo-controlled dietary intervention...
April 18, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28417506/the-effect-of-intraoperative-hypothermia-upon-blood-transfusion-needs-and-length-of-stay-among-gastrointestinal-system-cancer-surgery
#7
V B Poveda, A S Nascimento
This cross-sectional study was performed to evaluate the relationship between intraoperative body temperature and the need for blood transfusion and length of stay in the post-anaesthetic care unit (PACU) or in the intensive care unit (ICU) among 79 patients undergoing elective oncology surgery of the digestive system. There was a statistically significant correlation between a lower temperature during surgery and medical diagnosis (p = .009), the use of bupivacaine anaesthesia (p = .016), anaesthesia time (p = ...
April 18, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28416756/prognostic-significance-of-zeb1-and-zeb2-in-digestive-cancers-a-cohort-based-analysis-and-secondary-analysis
#8
Huihui Chen, Wei Lu, Chongjie Huang, Kefeng Ding, Dajing Xia, Yihua Wu, Mao Cai
BACKGROUND: Digestive cancers are common malignancies worldwide, however there are few effective prognostic markers available. In this study we comprehensively investigated the prognostic significance of ZEB1 and ZEB2 in digestive cancers. METHODS: Electronic databases were searched and studies met the selection criteria were included. Study information was recorded and quality assessment was performed according to the REMARK guideline. Hazard ratios and its corresponding 95% confidence intervals were extracted and pooled...
February 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415659/poor-prognosis-of-hexokinase-2-overexpression-in-solid-tumors-of-digestive-system-a-meta-analysis
#9
REVIEW
Jiayuan Wu, Liren Hu, Fenping Wu, Lei Zou, Taiping He
Several previous studies have reported the prognostic value of hexokinase 2 (HK2) in digestive system tumors. However, these studies were limited by the small sample sizes and the results were inconsistent among them. Therefore, we conducted a meta-analysis based on 15 studies with 1932 patients to assess the relationship between HK2 overexpression and overall survival (OS) of digestive system malignancies. The relationship of HK2 and clinicopathological features was also evaluated. Hazard ratio (HR) or odds ratio (OR) with its 95% confidence intervals (CI) were calculated to estimate the effect size...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414610/clinical-calculator-for-early-mortality-in-metastatic-colorectal-cancer-an-analysis-of-patients-from-28-clinical-trials-in-the-aide-et-recherche-en-canc%C3%A3-rologie-digestive-database
#10
Lindsay A Renfro, Richard M Goldberg, Axel Grothey, Alberto Sobrero, Richard Adams, Matthew T Seymour, Volker Heinemann, Hans-Joachim Schmoll, Jean-Yves Douillard, Herbert Hurwitz, Charles S Fuchs, Eduardo Diaz-Rubio, Rainer Porschen, Christophe Tournigand, Benoist Chibaudel, Paulo M Hoff, Fairooz F Kabbinavar, Alfredo Falcone, Niall C Tebbutt, Cornelis J A Punt, J Randolph Hecht, John Souglakos, Carsten Bokemeyer, Eric Van Cutsem, Leonard Saltz, Aimery de Gramont, Daniel J Sargent
Purpose Factors contributing to early mortality after initiation of treatment of metastatic colorectal cancer are poorly understood. Materials and Methods Data from 22,654 patients enrolled in 28 randomized phase III trials contained in the ARCAD (Aide et Recherche en Cancérologie Digestive) database were pooled. Multivariable logistic regression models for 30-, 60-, and 90-day mortality were constructed, including clinically and statistically significant patient and disease factors and interaction terms. A calculator (nomogram) for 90-day mortality was developed and validated internally using bootstrapping methods and externally using a 10% random holdout sample from each trial...
April 17, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28413675/primary-mesenteric-adenocarcinoma-covered-by-abscess-of-the-mesocolon-and-intestinal-obstruction-a-case-report
#11
Yun Luo, Memgchuan Ou, Yushun Zhang, Zhiming Fu, Chongshu Wang
Primary mesenteric adenocarcinoma (PMA) is a rare malignant disease. A case of PMA that was covered by an abscess of the mesocolon and intestinal obstruction is reported in the present study. As the onset site of PMA is often obscured or hidden, there may be no clinical symptoms in the early stage. At the advanced stage, the tumor size is large enough to induce intestinal obstruction, perforation, bleeding, volvulus and other clinical symptoms in the majority of patients. Computed tomography scans, ultrasound and other auxiliary examinations are not sufficiently accurate for diagnosing PMA with non-specific characteristics in the majority of cases, causing certain difficulties in the pre-operative diagnosis of PMA, which easily lead to misdiagnosis...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28411395/a-longitudinal-study-of-smokeless-tobacco-use-and-mortality-in-the-united-states
#12
David S Timberlake, Dmitriy Nikitin, Norman J Johnson, Sean F Altekruse
Few studies in the United States have examined longitudinally the mortality risks associated with use of smokeless tobacco (SLT). The sample of our study was composed of participants from the National Longitudinal Mortality Study who completed a single Tobacco Use Supplement to the Current Population Survey between the years 1985 and 2011. Using survival methods, SLT use at the baseline survey was examined as a predictor of all-cause mortality and cause-specific mortalities in models that excluded individuals who had ever smoked cigarettes, cigars or used pipes (final n = 349,282)...
April 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28409430/spatio-temporal-distribution-of-metals-in-household-dust-from-rural-semi-urban-and-urban-environments-in-the-niger-delta-nigeria
#13
Chukwujindu M A Iwegbue, Ejiro C Oliseyenum, Bice S Martincigh
Concentrations of metals in household dust samples from rural, semi-urban and urban zones of the Niger Delta in Nigeria were measured during both 2009 and 2014 with the aim of providing information on changes in the concentrations, distribution patterns, sources and risks of metals in these zones. The concentrations of metals in the dust samples were quantified by using inductively coupled plasma atomic emission spectrophotometry (ICP-AES) after digestion with aqua regia. The measured concentrations (mg kg(-1)) of metals in the three zones within the study periods were as follows: <LOQ-21...
April 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28407925/dna-adductomics-to-study-the-genotoxic-effects-of-red-meat-consumption-with-and-without-added-animal-fat-in-rats
#14
Lieselot Y Hemeryck, Thomas Van Hecke, Els Vossen, Stefaan De Smet, Lynn Vanhaecke
Digestion of red and processed meat has been linked to the formation of genotoxic N-nitroso compounds (NOCs) and lipid peroxidation products (LPOs) in the gut. In this study, rats were fed a meat based diet to compare the possible genotoxic effects of red vs. white meat, and the interfering role of dietary fat. To this purpose, liver, duodenum and colon DNA adductomes were analyzed with UHPLC-HRMS. The results demonstrate that the consumed meat type alters the DNA adductome; the levels of 22 different DNA adduct types significantly increased upon the consumption of beef (compared to chicken) and/or lard supplemented beef or chicken...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28407575/fam83d-knockdown-regulates-proliferation-migration-and-invasion-of-colorectal-cancer-through-inhibiting-fbxw7-notch-1-signalling-pathway
#15
Yu Mu, Hongzhi Zou, Beibei Chen, Yixiao Fan, Suxia Luo
Colorectal cancer is one of the most common malignant tumors in the digestive system, and in China its incidence is rising in recent years. The FAM83D family with sequence similarity 83, member D is associated with the occurrence and development of various cancers. However, in human colorectal cancer, the biological function of FAM83D and its molecular mechanism are still little known. In our study, we found that FAM83D mRNA expression level was markedly up-regulated in colorectal cancerous tissues when compared with that of adjacent normal colon tissues...
April 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28405349/is-there-a-standard-for-surgical-therapy-of-hepatocellular-carcinoma-in-healthy-and-cirrhotic-liver-a-comparison-of-eight-guidelines
#16
Giulia Manzini, Doris Henne-Bruns, Franz Porzsolt, Michael Kremer
BACKGROUND AND AIMS: Liver resection (LR) and transplantation are the most reliable treatments for hepatocellular carcinoma (HCC). Aim was to compare different guidelines regarding indication for resection and transplantation because of HCC with and without underlying cirrhosis. METHODS: We compared the following guidelines published after 1 January 2010: American (American Association for the Study of Liver Diseases (AASLD)), Spanish (Sociedad Espanola de Oncologia Medica (SEOM)), European (European Association for the study of liver-European Organization for Research and Treatment of Cancer (EASL-EORTC) and European Society for Medical Oncology-European Society of Digestive Oncology (ESMO-ESDO)), Asian (Asian Pacific Association for the Study of Liver (APASL)), Japanese (Japan Society of Hepatology (JSH)), Italian (Associazione Italiana Oncologia Medica (AIOM)) and German (S3) guidelines...
2017: BMJ Open Gastroenterology
https://www.readbyqxmd.com/read/28404885/significant-association-between-lncrna-h19-polymorphisms-and-cancer-susceptibility-a-meta-analysis
#17
Xue-Feng Li, Xin-Hai Yin, Jun-Wei Cai, Ming-Ju Wang, Yu-Qin Zeng, Min Li, Yu-Ming Niu, Ming Shen
Previous epidemiological research suggests polymorphisms in long non-coding RNA (lncRNA) H19 are associated with an increased risk of cancer, but the results are inconsistent. We therefore conducted a meta-analysis to more accurately determine the association between lncRNA H19 polymorphisms and cancer risk. The PubMed, Embase, and Science Citation Index online databases were searched and 11 relevant studies involving a total of 33,209 participants were identified. Odds ratios (ORs) and corresponding 95% confidence interval (CIs) from these studies were used to detect associations between H19 polymorphisms and cancer risk using five genetic models...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404093/somatic-pole-proofreading-domain-mutation-immune-response-and-prognosis-in-colorectal-cancer-a-retrospective-pooled-biomarker-study
#18
Enric Domingo, Luke Freeman-Mills, Emily Rayner, Mark Glaire, Sarah Briggs, Louis Vermeulen, Evelyn Fessler, Jan Paul Medema, Arnoud Boot, Hans Morreau, Tom van Wezel, Gerrit-Jan Liefers, Ragnhild A Lothe, Stine A Danielsen, Anita Sveen, Arild Nesbakken, Inti Zlobec, Alessandro Lugli, Viktor H Koelzer, Martin D Berger, Sergi Castellví-Bel, Jenifer Muñoz, Marco de Bruyn, Hans W Nijman, Marco Novelli, Kay Lawson, Dahmane Oukrif, Eleni Frangou, Peter Dutton, Sabine Tejpar, Mauro Delorenzi, Rachel Kerr, David Kerr, Ian Tomlinson, David N Church
BACKGROUND: Precision cancer medicine depends on defining distinct tumour subgroups using biomarkers that may occur at very modest frequencies. One such subgroup comprises patients with exceptionally mutated (ultramutated) cancers caused by mutations that impair DNA polymerase epsilon (POLE) proofreading. METHODS: We examined the association of POLE proofreading domain mutation with clinicopathological variables and immune response in colorectal cancers from clinical trials (VICTOR, QUASAR2, and PETACC-3) and colorectal cancer cohorts (Leiden University Medical Centre 1 and 2, Oslo 1 and 2, Bern, AMC-AJCC-II, and Epicolon-1)...
November 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404071/molecular-endoscopy-for-targeted-imaging-in-the-digestive-tract
#19
REVIEW
Jeong Hoon Lee, Thomas D Wang
Endoscopy uses optical imaging methods to investigate tissue in a non-destructive manner with high resolution over a broad range of wavelengths, thus providing a powerful tool to rapidly visualise mucosal surfaces in the digestive tract. Molecular imaging is an important advancement that has been clinically demonstrated for early cancer detection and guidance of therapy. With this approach, imaging can be used to observe expression patterns of molecular targets to improve understanding of key biological mechanisms that drive disease progression...
October 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28402938/cathepsins-in-digestive-cancers
#20
REVIEW
Siyuan Chen, Hui Dong, Shiming Yang, Hong Guo
Cathepsins are lysosomal peptidases belonging to the papain family, and based on their catalytic sites, these enzymes can be divided into serine, cysteine and aspartic proteases. The studies conducted to date have identified, 15 types of cathepsins that are widely distributed in intracellular and extracellular spaces. These proteases participate in various pathological activities, including the occurrence and development of human cancers. Several recent studies suggest that cathepsins, particularly cathepsins B, D, E and L, contribute to digestive tumorigenesis...
March 29, 2017: Oncotarget
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