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https://www.readbyqxmd.com/read/28645424/occurrence-of-selected-trace-metals-and-their-oral-bioaccessibility-in-urban-soils-of-kindergartens-and-parks-in-bratislava-slovak-republic-as-evaluated-by-simple-in-vitro-digestion-procedure
#1
Edgar Hiller, Martin Mihaljevič, Lenka Filová, Lucia Lachká, Ľubomír Jurkovič, Tatsiana Kulikova, Katarína Fajčíková, Mária Šimurková, Veronika Tatarková
A total of eighty surface soil samples were collected from public kindergartens and urban parks in the city of Bratislava, and the <150µm soil fraction was evaluated for total concentrations of five metals, Cd, Cu, Hg, Pb and Zn, their oral bioaccessibilities, non-carcinogenic and carcinogenic health risks to children, and lead isotopic composition. The mean metal concentrations in urban soils (0.29, 36.1, 0.13, 30.9 and 113mg/kg for Cd, Cu, Hg, Pb and Zn, respectively) were about two times higher compared with background soil concentrations...
June 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28642062/lrh-1-senses-signaling-from-phosphatidylcholine-to-regulate-the-expansion-growth-of-digestive-organs-via-synergy-with-wnt-%C3%AE-catenin-signaling-in-zebrafish
#2
Gang Zhai, Jia Song, Tingting Shu, Junjun Yan, Xia Jin, Jiangyan He, Zhan Yin
Liver receptor homolog-1 (LRH-1) is an orphan nuclear receptor that is critical for the growth and proliferation of cancer cells and other biological processes, including lipid transportation and metabolism, sexual determination and steroidogenesis. However, because homozygous lrh-1(-/-) mice die in utero, the regulatory mechanisms involved in embryonic development mediated by this receptor are poorly understood. In the present study, we performed transcription activator-like effector nuclease (TALEN)-mediated loss-of-function assays, taking advantage of zebrafish external fertilization, to investigate the function of lrh-1...
April 27, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28641532/trimethylamine-n-oxide-tmao-as-a-new-potential-therapeutic-target-for-insulin-resistance-and-cancer
#3
Jens Oellgaard, Signe Abitz Winther, Tobias Schmidt Hansen, Peter Rossing, Bernt Johan von Scholten
BACKGROUND: The intake of animal products in food has been associated with both the development of insulin resistance and gastrointestinal cancers (GIC). Through the digestion of animal protein and other constituents of animal products, the commensal bacteria in the gut (the gut microbiota) forms metabolites that can contribute to the development of both insulin resistance and cancer. Trimethylamine-N-Oxide (TMAO) is such a molecule and has recently drawn a lot of attention as it may be a risk factor for - and a link between - the gut microbiota and cardiovascular and renal disease...
June 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28639908/circular-rnas-play-an-important-role-in-late-stage-gastric-cancer-circular-rna-expression-profiles-and-bioinformatics-analyses
#4
Yantian Fang, Minzhe Ma, Jiangli Wang, Xiaowen Liu, Yanong Wang
Gastric cancer is one of the most common tumors of the digestive system. Here, analysis of the expression profiles of circular RNAs in advanced gastric adenocarcinoma and adjacent normal mucosa tissues revealed differential expression of 306 circular RNAs, among which 273 were predicted to exert regulatory effects on target microRNAs. The downstream pathway networks of circular RNA-microRNA were mapped and the node genes were identified. In particular, we found that the expression of hsa_circ_0058246 was elevated in tumor specimens of patients with poor clinical outcomes...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28633089/first-line-panitumumab-plus-folfox4-or-folfiri-in-colorectal-cancer-with-multiple-or-unresectable-liver-metastases-a-randomised-phase-ii-trial-planet-ttd
#5
Alfredo Carrato, Albert Abad, Bartomeu Massuti, Cristina Grávalos, Pilar Escudero, Federico Longo-Muñoz, José-Luis Manzano, Auxiliadora Gómez, María José Safont, Javier Gallego, Beatriz García-Paredes, Carles Pericay, Rosario Dueñas, Fernando Rivera, Ferrán Losa, Manuel Valladares-Ayerbes, Encarnación González, Enrique Aranda
BACKGROUND: In first-line wild-type (WT)-Kirsten rat sarcoma viral oncogene homologue (KRAS) metastatic colorectal cancer (mCRC), panitumumab (Pmab) improves outcomes when added to FOLFOX [folinic acid, 5-fluorouracil, and oxaliplatin] or FOLFIRI [folinic acid, 5-fluorouracil, and irinotecan]. However no trial has directly compared these combinations. METHODS: Multicentre, open-label study in untreated patients ≥ 18 years with (WT)-KRAS mCRC and multiple or unresectable liver-limited disease (LLD) randomised to either Pmab-FOLFOX4 or Pmab-FOLFIRI...
June 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28627154/-mortality-study-in-a-cohort-of-workers-employed-in-the-hot-working-processing-of-plastics-and-rubber
#6
Alberto Gerosa, Corrado Scarnato, Bruno Marchesini, Evi Ietri, Venere Leda Mara Pavone
OBJECTIVES: to study mortality rates among workers in companies manufacturing thermoplastic and rubber articles (excluding tyres). DESIGN: cohort study. SETTING AND PARTICIPANTS: the cohort includes 4,543 workers employed up to 2000 in 131 companies in the Province of Bologna (Emilia-Romagna Region, Northern Italy) exposed to emissions from hot processing of plastics (3,937) and rubber (606). MAIN OUTCOME MEASURES: general- and cause-specific Standardized Mortality Rates (SMR), with 95% confidence intervals; entire reference population resides in the Emilia-Romagna Region...
January 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28622139/immune-regulation-and-functions-of-eicosanoid-lipid-mediators
#7
Julia Esser-von Bieren
Bioactive lipids regulate most physiological processes, from digestion to blood flow and from hemostasis to labor. Lipid mediators are also involved in multiple pathologies including cancer, autoimmunity or asthma. The pathological roles of lipid mediators are based on their intricate involvement in the immune system, which comprises source and target cells of these mediators. Based on their biosynthetic origin, bioactive lipids can be grouped into different classes (e.g. sphingolipids, formed from sphingosine or eicosanoids, formed from arachidonic acid)...
June 15, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28621689/age-adjusted-charlson-comorbidity-index-score-as-predictor-of-survival-of-patients-with-digestive-system-cancer-who-have-undergone-surgical-resection
#8
Yaohua Tian, Zhong Jian, Beibei Xu, Hui Liu
Comorbidities have considerable effects on survival outcomes. The primary objective of this retrospective study was to examine the association between age-adjusted Charlson comorbidity index (ACCI) score and postoperative in-hospital mortality in patients with digestive system cancer who have undergone surgical resection of their cancers. Using electronic hospitalization summary reports, we identified 315,464 patients who had undergone surgery for digestive system cancer in top-rank (Grade 3A) hospitals in China between 2013 and 2015...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28618430/extreme-assay-sensitivity-in-molecular-diagnostics-further-unveils-intratumour-heterogeneity-in-metastatic-colorectal-cancer-as-well-as-artifactual-low-frequency-mutations-in-the-kras-gene
#9
Sara Mariani, Luca Bertero, Simona Osella-Abate, Cristiana Di Bello, Paola Francia di Celle, Vittoria Coppola, Anna Sapino, Paola Cassoni, Caterina Marchiò
BACKGROUND: Gene mutations in the RAS family rule out metastatic colorectal carcinomas (mCRCs) from anti-EGFR therapies. METHODS: We report a retrospective analysis by Sequenom Massarray and fast COLD-PCR followed by Sanger sequencing on 240 mCRCs. RESULTS: By Sequenom, KRAS and NRAS exons 2-3-4 were mutated in 52.9% (127/240) of tumours, while BRAF codon 600 mutations reached 5% (12/240). Fast COLD-PCR found extra mutations at KRAS exon 2 in 15/166 (9%) of samples, previously diagnosed by Sequenom as wild-type or mutated at RAS (exons 3-4) or BRAF genes...
June 15, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28618188/real-time-viability-and-apoptosis-kinetic-detection-method-of-3d-multicellular-tumor-spheroids-using-the-celigo-image-cytometer
#10
Sarah Kessel, Scott Cribbes, Surekha Bonasu, William Rice, Jean Qiu, Leo Li-Ying Chan
The development of three-dimensional (3D) multicellular tumor spheroid models for cancer drug discovery research has increased in the recent years. The use of 3D tumor spheroid models may be more representative of the complex in vivo tumor microenvironments in comparison to two-dimensional (2D) assays. Currently, viability of 3D multicellular tumor spheroids has been commonly measured on standard plate-readers using metabolic reagents such as CellTiter-Glo® for end point analysis. Alternatively, high content image cytometers have been used to measure drug effects on spheroid size and viability...
June 15, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28616597/reconstruction-after-latg-technical-tips-and-pitfalls
#11
REVIEW
Gengzhou Wei, Jiabin Zheng, Yong Li
Since the launching of laparoscopic radical gastrectomy in 1990s, the technique of laparoscopy has become more mature, and it has gradually been applied from distal gastrectomy to total gastrectomy. Laparoscopic distal gastrectomy is an accepted option for gastric cancer surgery; however, laparoscopic total gastrectomy is not widely performed, because of the difficulty of reconstruction of the digestive tract. Efforts have been made to establish an intracorporeal anatomic technique for esophagojejunostomy. There have been several techniques for esophagojejunostomy reported using either circular or lineal staplers...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28616085/helicobacter-pylori-infection-old-and-new
#12
REVIEW
S Diaconu, A Predescu, A Moldoveanu, C S Pop, C Fierbințeanu-Braticevici
Helicobacter pylori is a spiral-shaped bacterium that grows in the digestive tract and may be present in more than half of the world's population. The clinical features of Helicobacter pylori range from asymptomatic gastritis to gastrointestinal malignancy. Mucosa-associated lymphoid tissue (MALT) lymphoma is a low-grade B-cell marginal zone lymphoma and Helicobacter pylori has been detected in more than 75% of the patients with MALT lymphoma. Many tests for the detection of Helicobacter pylori are available, including antibody tests, urea breath tests, stool antigen tests and endoscopic biopsies...
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28612540/-prevalence-and-associated-factors-of-arthritis-in-middle-and-old-aged-populations-in-china
#13
Pei-Ya Cao, Kan Wu, Jia-Hui Qian, Hui-Qiang Luo, Xiao-Hui Ren
OBJECTIVES: To determine the prevalence of arthritis in middle- and old-aged populations in China and associated factors. METHODS: Data were drawn from the 2013 China Health and Retirement Longitudinal Study (CHARLS). Binary logistic regression analyses were performed to examine the associations of arthritis with social economic status (age, gender, areas, education), comorbidity (hypertension, dyslipidaemia, diabetes, cancer, chronic lung disease, liver disease, heart disease, stroke, kidney disease, digestive disease, asthma), lifestyle (smoking, drinking, sleeping) and mental health (depression symptoms)...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28609902/host-parasite-list-updating-of-ciliates-and-fermentation-in-the-digestive-tract-of-wild-miscellaneous-herbivores-in-south-africa-rsa
#14
D G Booyse, B A Dehority
This article is dedicated to the Author, Burk Dehority, who became very ill with cancer. Fortunately he confirmed or corrected all identifications on ciliates in this article. This paper was 80% finished when he became ill. He unfortunately passed away in February 2016.
May 3, 2017: Zootaxa
https://www.readbyqxmd.com/read/28602564/patient-education-interventions-for-colorectal-cancer-patients-with-stoma-a-systematic-review
#15
REVIEW
Stéphane Faury, Michèle Koleck, Jérôme Foucaud, Katia M'Bailara, Bruno Quintard
OBJECTIVES: To describe the various types of patient education interventions for colorectal cancer patients with stoma and to examine their effects on quality of life, psychosocial skills and self-management skills. METHODS: A systematic review was performed. Six electronic databases were searched. Inclusion criteria were: studies about patient education applying quantitative methods including digestive stoma adults with colorectal cancer. The primary outcome was quality of life...
June 3, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28601889/rna-sequence-analysis-reveals-differentially-expressed-genes-degs-in-patients-exhibiting-different-risks-of-tumor-metastasis
#16
Li-Feng Dong, Shu-Ying Xu, Jing-Pei Long, Fang Wan, Yi-Ding Chen
BACKGROUND Breast cancer is one of the most common malignancies in women. In a previous study, we found that for two patients who had a high risk of lymphatic metastasis, lymphatic metastasis did not occur; whereas, for two patients who had a low risk of lymphatic metastasis, lymphatic metastasis did occur. MATERIAL AND METHODS We analyzed the differential gene expressions of these four patients by RNA-sequence. The data (HRNM_T versus HRNM_N, LRYM_T versus LRYM_N, and HRNM_T versus LRYM_T) was then processed using differentially expressed genes (DEGs) analysis, functional analysis for DEGs, and PPI network construct...
June 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28600348/loss-of-the-wnt-receptor-frizzled7-in-the-gastric-epithelium-is-deleterious-and-triggers-rapid-repopulation-in-vivo
#17
Dustin J Flanagan, Nicholas Barker, Cameron Nowell, Hans Clevers, Matthias Ernst, Toby J Phesse, Elizabeth Vincan
The gastric epithelium consists of tubular glandular units each containing several differentiated cells types, and populations of stem cells, which enable the stomach to secrete the acid, mucus and various digestive enzymes required for its function. Cell signalling provides cues to regulate development and homeostasis of adult tissues, however very little is known about which cell signalling pathways are required for homeostasis of the gastric epithelium. Many diseases, such as cancer, arise as a result of deregulation to signalling pathways that regulate homeostasis of the diseased organ...
June 9, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28600185/paclitaxel-encapsulated-in-halloysite-clay-nanotubes-for-intestinal-and-intracellular-delivery
#18
R Yendluri, Y Lvov, M DeVilliers, V Vinokurov, E Naumenko, E Tarasova, R Fakhrullin
Naturally formed halloysite tubules have a length of 1 μm length and lumens with a diameter of 12-15 nm which can be loaded with drugs. Halloysite's biocompatibility allows for its safe delivering to cells at a concentration of up to 0.5 mg/mL. We encapsulated the anti-cancer drug paclitaxel in halloysite and evaluated the drug release kinetics in simulated gastric and intestinal conditions. To facilitate maximum drug release in intestinal tract, halloysite tubes were coated with the pH-responsive polymer poly(methacrylic acid-co-methyl methacrylate)...
June 6, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28597984/dual-inhibition-of-bdnf-trkb-and-autophagy-a-promising-therapeutic-approach-for-colorectal-cancer
#19
Clément Mazouffre, Sophie Geyl, Aurélie Perraud, Sabrina Blondy, Marie-Odile Jauberteau, Muriel Mathonnet, Mireille Verdier
Colorectal cancer (CRC) is the most common digestive cancer in the Western world. Despite effective therapies, resistance and/or recurrence frequently occur. The present study investigated the impact of two survival pathways-neurotrophic factors (TrkB/BDNF) and autophagy-on cell fate and tumour evolution. In vitro studies were performed on two CRC cell lines, SW480 (primary tumour) and SW620 (lymph node invasion), which were also used for subcutaneous xenografts on a nude mouse model. In addition, the presence of neurotrophic factors (NTs) and autophagy markers were assessed in tissue samples representative of different stages...
June 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28596674/follow-up-after-curative-resection-for-gastric-cancer-is-it-time-to-tailor-it
#20
EDITORIAL
Paolo Aurello, Niccolò Petrucciani, Laura Antolino, Diego Giulitti, Francesco D'Angelo, Giovanni Ramacciato
There is still no consensus on the follow-up frequency and regimen after curative resection for gastric cancer. Moreover, controversy exists regarding the utility of follow-up in improving survival, and the recommendations of experts and societies vary considerably. The main reason to establish surveillance programs is to diagnose tumor recurrence or metachronous cancers early and to thereby provide prompt treatment and prolong survival. In the setting of gastric malignancies, other reasons have been put forth: (1) the detection of adverse effects of a previous surgery, such as malnutrition or digestive sequelae; (2) the collection of data; and (3) the identification of psychological and/or social problems and provision of appropriate support to the patients...
May 21, 2017: World Journal of Gastroenterology: WJG
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