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https://www.readbyqxmd.com/read/29054118/efficacy-of-laryngectomy-alone-for-treatment-of-locally-advanced-laryngeal-cancer-a-stage-and-subsite-specific-survival-analysis
#1
Brian P Cervenka, Shyam Rao, D Gregory Farwell, Arnaud F Bewley
OBJECTIVE: Total laryngectomy is a well-established treatment for locally advanced laryngeal cancer. Evidence for the benefit of post-operative radiotherapy after laryngectomy in patients with locally advanced primaries and N0 or N1 nodal disease is limited. This study aims to determine whether total laryngectomy alone is adequate therapy for certain patient subgroups with locally advanced laryngeal cancer. DESIGN: We performed a retrospective survival analysis of patients in the surveillance epidemiology and end results (SEER) database with locally advanced laryngeal cancer between 2004-2012...
October 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29054101/virtual-simulated-care-coordination-rounds-for-nursing-students
#2
Donna M Badowski
Implementation of the Affordable Care Act has nursing education reflecting on paradigm shifts in order to prepare nursing students for the evolving health care environment. The traditional focus of nursing education on nursing care in acute care settings does not provide learning experiences in care coordination and transitional care management skills. Virtual simulated care coordination rounds, using the National League for Nursing Advancing Care Excellence resources, offer nursing students an innovative experience in care coordination and transition care management...
November 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/29054093/the-role-of-pazopanib-on-tumour-angiogenesis-and-in-the-management-of-cancers-a-review
#3
REVIEW
Dinesh Kumar Chellappan, Jestin Chellian, Zhao Yin Ng, Yan Jinn Sim, Chiu Wei Theng, Joyce Ling, Mei Wong, Jia Hui Foo, Goh Jun Yang, Li Yu Hang, Saranyah Nathan, Yogendra Singh, Gaurav Gupta
Pazopanib is a relatively new compound to be introduced into the chemotherapy field. It is thought to have decent anti-angiogenic properties, which gives an additional hope for the treatment of certain types of cancers. A systematic review solely discussing about pazopanib and its anti-angiogenic effect is yet to be published to date, despite several relevant clinical trials being conducted over the recent years. In this review, we aim to investigate the mechanism of pazopanib's anti-angiogenic effect and its effectiveness in treating several cancers...
October 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29054076/genetic-polymorphisms-in-angiogenesis-related-genes-are-associated-with-worse-progression-free-survival-of-patients-with-advanced-gastrointestinal-stromal-tumours-treated-with-imatinib
#4
Michiel C Verboom, Jacqueline S L Kloth, Jesse J Swen, Tahar van der Straaten, Judith V M G Bovée, Stefan Sleijfer, Anna K L Reyners, Ron H J Mathijssen, Henk-Jan Guchelaar, Neeltje Steeghs, Hans Gelderblom
BACKGROUND: Imatinib 400 mg per day is first-line therapy for patients with gastrointestinal stromal tumours (GISTs). Although clinical benefit is high, progression-free survival (PFS) is variable. This study explores the relationship of single nucleotide polymorphisms (SNPs) in genes related to imatinib pharmacokinetics and pharmacodynamics and PFS in imatinib-treated patients with advanced GIST. METHODS: In 227 patients a pharmacogenetic pathway analysis was performed...
October 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29054075/evaluation-of-immunological-markers-of-ovine-vaginal-irritation-implications-for-preclinical-assessment-of-non-vaccine-hiv-preventive-agents
#5
Gregg N Milligan, Gracie Vargas, Kathleen L Vincent, Yong Zhu, Nigel Bourne, Massoud Motamedi
The presence of genital inflammatory responses and a compromised vaginal epithelial barrier have been linked to an increased risk of HIV acquisition. It is important to assure that application of candidate microbicides designed to limit HIV transmission will not cause these adverse events. We previously developed high resolution in vivo imaging methodologies in sheep to assess epithelial integrity following vaginal application of a model microbicide, however characterization of genital inflammation in sheep has not been previously possible...
October 13, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29054051/the-incidence-and-risk-factors-of-epilepsy-in-children-born-preterm-a-nationwide-register-study
#6
Mikko Hirvonen, Riitta Ojala, Päivi Korhonen, Paula Haataja, Kai Eriksson, Mika Gissler, Tiina Luukkaala, Outi Tammela
OBJECTIVES: The aim was to compare the incidence of epilepsy between very preterm (VP) (<32(+0) weeks), moderately preterm (MP) (32(+0)-33(+6) weeks), late preterm (LP) (34(+0)-36(+6) weeks) and term infants (≥37 weeks) and to establish and compare risk factors of epilepsy in these groups. METHODS: The national register study included all live born infants in Finland in 1991-2008. Excluding infants with missing gestational age, a total of 1,033,349 infants were included in the analysis and they were analyzed in four subgroups (VP, MP, LP and term) and three time periods (1991-1995, 1996-2001 and 2002-2008)...
October 14, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29054003/adhesion-force-sensing-and-activation-of-a-membrane-bound-sensor-to-activate-nisin-efflux-pumps-in-staphylococcus-aureus-under-mechanical-and-chemical-stresses
#7
Vera Carniello, Akshay K Harapanahalli, Henk J Busscher, Henny C van der Mei
Nisin-associated-sensitivity-response-regulator (NsaRS) in Staphylococcus aureus is important for its adhesion to surfaces and resistance against antibiotics, like nisin. NsaRS consists of an intra-membrane-located sensor NsaS and a cytoplasmatically-located response-regulator NsaR, which becomes activated upon receiving phosphate groups from the intra-membrane-located sensor. HYPOTHESIS: The intra-membrane location of the NsaS sensor leads us to hypothesize that the two-component NsaRS system not only senses "chemical" (nisin) but also "mechanical" (adhesion) stresses to modulate efflux of antibiotics from the cytoplasm...
October 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29053996/toxicological-and-chemical-insights-into-representative-source-and-drinking-water-in-eastern-china
#8
Peng Shi, Sicong Zhou, Hongxia Xiao, Jingfan Qiu, Aimin Li, Qing Zhou, Yang Pan, Henner Hollert
Drinking water safety is continuously threatened by the emergence of numerous toxic organic pollutants (TOPs) in environmental waters. In this study, an approach integrating in vitro bioassays and chemical analyses was performed to explore toxicological profiles of representative source and drinking water from waterworks of the Yangtze River (Yz), Taihu Lake (Th), and the Huaihe River (Hh) basins in eastern China. Overall, 34 of 96 TOPs were detected in all water samples, with higher concentrations in both source and drinking water samples of Hh, and pollutant profiles also differed across different river basins...
October 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29053995/effects-of-a-whey-protein-supplementation-on-oxidative-stress-body-composition-and-glucose-metabolism-among-overweight-people-affected-by-diabetes-mellitus-or-impaired-fasting-glucose-a-pilot-study
#9
Chiara Flaim, Michael Kob, Angela M Di Pierro, Markus Herrmann, Lucio Lucchin
Obesity and diabetes mellitus type 2 (DM2) are characterized by chronic inflammation and oxidative stress [Donath et al. 2013] and this leads to cardiovascular diseases [Hulsmans & Holvoet 2010]. Whey proteins (WP) have antioxidant [Chitapanarux et al. 2009], anti-inflammatory [Sugawara et al. 2012] and hypoglycemic activities [Mignone et al. 2015], while data on weight, body composition [Frestedt et al. 2008; Aldrich et al. 2011] and blood pressure are conflicting [Kawase et al. 2000; Lee et al. 2007]. WP have unpleasant taste and smell [Patel 2015], but a new WP isolate (ProLYOtin®) seems to be more palatable...
May 20, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29053991/molecular-mechanisms-of-development-of-the-human-fetal-female-reproductive-tract
#10
Gerald R Cunha, Takeshi Kurita, Mei Cao, Joel Shen, Stanley Robboy, Laurence Baskin
Human female reproductive tract development rests mostly upon hematoxilyn and eosin stained sections despite recent advances on molecular mechanisms in mouse studies. We report application of immunohistochemical methods to explore the ontogeny of epithelial and mesenchymal differentiation markers (keratins, homobox proteins, steroid receptors), transcription factors and signaling molecules (TP63 and RUNX1) during human female reproductive tract development. Keratins 6, 7, 8, 10, 14 and 19 (KRT6, KRT7, KRT8, KRT10, KRT14, KRT19) were expressed in a temporally and spatially dynamic fashion...
July 29, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29053948/nanoscale-imaging-reveals-big-role-for-iron-in-alzheimer-s-disease
#11
Scott Ayton, Simon A James, Ashley I Bush
In this issue of Cell Chemical Biology, Telling et al. (2017) apply advanced X-ray microscopy techniques to reveal magnetite iron species in plaques from a mouse model of Alzheimer's disease. The characterization of abnormal iron chemistry in the disease model highlights the potential for iron to combine with the β-amyloid peptide and accelerate the disease process.
October 19, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/29053946/measurement-of-area-and-personal-breathing-zone-concentrations-of-diesel-particulate-matter-dpm-during-oil-and-gas-extraction-operations-including-hydraulic-fracturing
#12
Eric J Esswein, Marissa Alexander-Scott, John Snawder, Michael Breitenstein
Diesel engines serve many purposes in modern oil and gas extraction activities. Diesel particulate matter (DPM) emitted from diesel engines is a complex aerosol that may cause adverse health effects depending on exposure dose and duration. This study reports on personal breathing zone (PBZ) and area measurements for DPM (expressed as elemental carbon) during oil and gas extraction operations including drilling, completions (which includes hydraulic fracturing) and servicing work. Researchers at the National Institute for Occupational Safety and Health (NIOSH) collected 104 full-shift air samples (49 PBZ and 55 area) in Colorado, North Dakota, Texas, and New Mexico during a four year period from 2008-2012 The arithmetic mean (AM) of the full shift TWA PBZ samples was 10 µg/m(3); measurements ranged from 0...
October 20, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29053830/friedreich-s-ataxia-clinical-features-pathogenesis-and-management
#13
A Cook, P Giunti
Introduction: Friedreich's ataxia is the most common inherited ataxia. Sources of data: Literature search using PubMed with keywords Friedreich's ataxia together with published papers known to the authors. Areas of agreement: The last decade has seen important advances in our understanding of the pathogenesis of disease. In particular, the genetic and epigenetic mechanisms underlying the disease now offer promising novel therapeutic targets...
October 19, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/29053757/generation-of-composite-persea-americana-mill-avocado-plants-a-proof-of-concept-study
#14
S Ashok Prabhu, Buyani Ndlovu, Juanita Engelbrecht, Noëlani van den Berg
Avocado (Persea americana (Mill.)), an important commercial fruit, is severely affected by Phytophthora Root Rot in areas where the pathogen is prevalent. However, advances in molecular research are hindered by the lack of a high-throughput transient transformation system in this non-model plant. In this study, a proof-of-concept is demonstrated by the successful application of Agrobacterium rhizogenes-mediated plant transformation to produce composite avocado plants. Two ex vitro strategies were assessed on two avocado genotypes (Itzamna and A0...
2017: PloS One
https://www.readbyqxmd.com/read/29053752/rhizospheric-microbial-communities-associated-with-wild-and-cultivated-frankincense-producing-boswellia-sacra-tree
#15
Abdul Latif Khan, Sajjad Asaf, Ahmed Al-Rawahi, In-Jung Lee, Ahmed Al-Harrasi
Boswellia sacra, a frankincense producing endemic tree, has been well known for its cultural, religious and economic values. However, the tree has been least explored for the associated microsymbiota in the rhizosphere. The current study elucidates the fungal and bacterial communities of the rhizospheric regions of the wild and cultivated B. sacra tree populations through next generation sequencing. The sequence analysis showed the existence of 1006±8.9 and 60.6±3.1 operational taxonomic unit (OTUs) for bacterial and fungal communities respectively...
2017: PloS One
https://www.readbyqxmd.com/read/29053746/external-auditory-exostoses-and-hearing-loss-in-the-shanidar-1-neandertal
#16
Erik Trinkaus, Sébastien Villotte
The Late Pleistocene Shanidar 1 older adult male Neandertal is known for the crushing fracture of his left orbit with a probable reduction in vision, the loss of his right forearm and hand, and evidence of an abnormal gait, as well as probable diffuse idiopathic skeletal hyperostosis. He also exhibits advanced external auditory exostoses in his left auditory meatus and larger ones with complete bridging across the porus in the right meatus (both Grade 3). These growths indicate at least unilateral conductive hearing (CHL) loss, a serious sensory deprivation for a Pleistocene hunter-gatherer...
2017: PloS One
https://www.readbyqxmd.com/read/29053691/quantitative-whole-mount-immunofluorescence-analysis-of-cardiac-progenitor-populations-in-mouse-embryos
#17
Evan Bardot, Nikos Tzavaras, Deanna L Benson, Nicole C Dubois
The use of ever-advancing imaging techniques has contributed broadly to our increased understanding of embryonic development. Pre-implantation development and organogenesis are two areas of research that have benefitted greatly from these advances, due to the high quality of data that can be obtained directly from imaging pre-implantation embryos or ex vivo organs. While pre-implantation embryos have yielded data with especially high spatial resolution, later stages have been less amenable to three-dimensional reconstruction...
October 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29053687/bead-based-multiplex-assay-for-analysis-of-tear-cytokine-profiles
#18
Praveen Kumar Balne, Veonice Bijin Au, Louis Tong, Arkasubhra Ghosh, Mukesh Agrawal, John Connolly, Rupesh Agrawal
Tear film is a complex mixture of lipids, proteins and minerals which covers the external surface of the eye, thereby providing lubrication, nutrition and protection to the underlying cells. Analysis of tears is an emerging area for the identification of biomarkers for the prediction, diagnosis, and prognosis of various ocular diseases. Tears are easily accessible and their collection is non-invasive. Therefore, advancing technologies are gaining prominence for identification of multiple analytes in tears to study changes in protein or metabolite composition and its association with pathological conditions...
October 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29053682/implantation-of-chronic-silicon-probes-and-recording-of-hippocampal-place-cells-in-an-enriched-treadmill-apparatus
#19
Anvar Sariev, Jinho Chung, Dajung Jung, Farnaz Sharif, Ju-Young Lee, Soyoun Kim, Sebastien Royer
An important requisite for understanding brain function is the identification of behavior and cell activity correlates. Silicon probes are advanced electrodes for large-scale electrophysiological recording of neuronal activity, but the procedures for their chronic implantation are still underdeveloped. The activity of hippocampal place cells is known to correlate with an animal's position in the environment, but the underlying mechanisms are still unclear. To investigate place cells, here we describe a set of techniques which range from the fabrication of devices for chronic silicon probe implants to the monitoring of place field activity in a cue-enriched treadmill apparatus...
October 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29053653/patients-with-advanced-oral-squamous-cell-carcinoma-have-high-levels-of-soluble-e-cadherin-in-the-saliva
#20
S López-Verdín, J-J Soto-Avila, A-L Zamora-Perez, B-P Lazalde-Ramos, M-L Martínez-Fierro, R González-González, N Molina-Frechero, M-A Isiordia-Espinoza, R Bologna-Molina
BACKGROUND: The objective of this study was to assess the potential clinical value of the concentration of soluble salivary E-cadherin (sE-cadherin) compared with the clinical value of the presence of membranous E-cadherin (mE-cadherin) in oral squamous cell carcinoma tumor tissues. MATERIAL AND METHODS: Data regarding patient demographics, clinical stage, saliva and tumor tissue samples were collected. The saliva was analyzed for sE-cadherin protein levels and was compared to the mE-cadherin immunohistochemical expression levels in tumor tissues, which were assessed via the HercepTest® method...
October 20, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
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