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https://www.readbyqxmd.com/read/29040965/distribution-of-cancer-mortality-rates-by-province-in-south-africa
#1
Felix Made, Kerry Wilson, Ruxana Jina, Nonhlanhla Tlotleng, Samantha Jack, Vusi Ntlebi, Tahira Kootbodien
INTRODUCTION: Cancer mortality rates are expected to increase in developing countries. Cancer mortality rates by province remain largely unreported in South Africa. This study described the 2014 age standardised cancer mortality rates by province in South Africa, to provide insight for strategic interventions and advocacy. METHODS: 2014 deaths data were retrieved from Statistics South Africa. Deaths from cancer were extracted using 10th International Classification of Diseases (ICD) codes for cancer (C00-C97)...
October 14, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29040962/interactions-between-rgo-tnt-nanocomposites-and-cells-regulation-of-cell-morphology-uptake-cytotoxicity-adhesion-and-migration
#2
Xiaopeng Su, Lifeng Yang, Cailian Huang, Qinli Hu, Xinyi Shan, Junmin Wan, Zhiwen Hu, Bing Wang
Reduced graphene oxide/titanium dioxide nanotube (rGO/TNT) composites have superior properties, such as a large surface area, extraordinary mechanical strength, high carrier mobility, etc. However, the biosafety and biocompatibility of these composites, such as their influences on cell viability and cell functions, which are of paramount importance, are still not fully addressed. In this study, rGO/TNT nanocomposites were successfully synthesized through a modified hydrothermal treatment method. Then, the interactions between the rGO/TNT nanocomposites and Raw264...
October 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29040886/role-of-n-6-methyladenosine-modification-in-cancer
#3
REVIEW
Xiaolan Deng, Rui Su, Xuesong Feng, Minjie Wei, Jianjun Chen
As the most abundant internal modification in eukaryotic messenger RNAs identified, N(6)-methyladenosine (m(6)A) has been shown recently to play essential roles in various normal bioprocesses. Evidence is emerging that m(6)A modification and its regulatory proteins also play critical roles in various cancers including leukemia, brain tumor, breast cancer and lung cancer, etc. For instance, FTO, the first m(6)A demethylase identified, has been reported recently to play an oncogenic role in leukemia and glioblastoma...
October 14, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/29040803/synthesis-and-characterization-of-fatty-acid-grafted-chitosan-polymer-and-their-nanomicelles-for-non-viral-gene-delivery-applications
#4
Divya Sharma, Jagdish Singh
The aim of this study was to synthesize and characterize fatty acid-grafted-chitosan (fatty acid-g-CS) polymer and their nanomicelles for using as carriers for gene delivery. CS was hydrophobically modified using saturated fatty acids of increasing fatty acyl chain length. Carbodiimide along with N-hydroxysuccinimide was used for coupling carboxyl group of fatty acids with amine groups of CS. Proton nuclear magnetic resonance and Fourier transform-infrared spectroscopy were used to quantify fatty acyl substitution onto CS backbone...
October 17, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29040800/ocriplasmin-for-symptomatic-vitreomacular-adhesion
#5
REVIEW
James E Neffendorf, Varo Kirthi, Edward Pringle, Timothy L Jackson
BACKGROUND: Symptomatic vitreomacular adhesion (sVMA) is a recognised cause of visual loss and by tradition has been managed by pars plana vitrectomy (PPV). A less invasive alternative to surgery in some people is enzymatic vitreolysis, using an intravitreal injection of ocriplasmin. OBJECTIVES: To assess the efficacy and safety of ocriplasmin compared to no treatment, sham or placebo for the treatment of sVMA. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (which contains the Cochrane Eyes and Vision Trials Register) (2017, Issue 1), MEDLINE Ovid (1946 to 24 February 2017), Embase Ovid (1947 to 24 February 2017), PubMed (1946 to 24 February 2017), the ISRCTN registry (www...
October 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29040793/two-mate-transporters-with-different-subcellular-localization-are-involved-in-al-tolerance-in-buckwheat
#6
Gui Jie Lei, Kengo Yokosho, Naoki Yamaji, Jian Feng Ma
Buckwheat (Fagopyrum esculentum) shows high tolerance to Al toxicity, but the molecular mechanisms responsible for this high Al tolerance are still poorly understood. Here, we investigated the involvement of two MATE (multi-drug and toxic compound extrusion) genes in Al tolerance. Both FeMATE1 and FeMATE2 showed efflux transport activity for citrate, but not for oxalate when expressed in Xenopus oocytes. A transient assay with buckwheat leaf protoplasts using GFP fusion showed that FeMATE1 was mainly localized to the plasma membrane, whereas FeMATE2 was localized to the trans-Golgi and Golgi...
October 11, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29040789/a-review-of-natural-radionuclides-in-canadian-drinking-water-1975-16
#7
Jing Chen, Michael W Cooke, Jean-Francois Mercier
Historical results of natural radioactivity in drinking water were reviewed for a total of 21 communities across Canada from 1975 to 2016. Analyses for 226Ra, 210Pb and total uranium were carried out on monthly composite samples of drinking water from selected Canadian municipalities. Generally speaking, levels of 226Ra, 210Pb and total uranium were found to be low compared to national and international standards for drinking water quality. Because levels were low, federal monitoring programs were discontinued in most communities in 1986 except for Regina, Elliot Lake and Port Hope...
October 13, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29040718/the-mcconnell-s-capsular-arteries-and-their-relevance-in-endoscopic-endonasal-approach-to-the-sellar-region
#8
Cristian Ferrareze Nunes, André Beer-Furlan, Francesco Doglietto, Ricardo Luis Carrau, Daniel Monte-Serrat Prevedello
BACKGROUND: The McConnell's capsular arteries (MCCA) were first described in 1953. They consist of medial branches of the cavernous internal carotid artery (ICA) and are divided in anterior and inferior capsular arteries. OBJECTIVE: To highlight the anatomy of the MCCA and its importance in the surgical treatment of tuberculum sellae and planum sphenoidale tumors through an endoscopic endonasal approach. METHODS: Ten cadaveric specimens fixed in formalin and perfused with colored silicone were dissected...
October 13, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29040698/clinical-outcome-after-endoscopic-endonasal-resection-of-tuberculum-sella-meningiomas
#9
Khaled Elshazly, Varun R Kshettry, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
BACKGROUND: In select cases, the endoscopic endonasal approach (EEA) has distinct advantages for resection of tuberculum sella meningiomas (TSM). OBJECTIVE: To report the extent of resection (EOR), complication rates, and outcomes in a large series of TSM treated by the EEA. METHODS: Twenty-five consecutive TSM cases treated by EEA from 2008 to 2016 were retrospectively reviewed. Patient history, imaging, volumetric EOR, complications, and outcomes are presented...
October 10, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29040681/20-years-of-the-smart-protein-domain-annotation-resource
#10
Ivica Letunic, Peer Bork
SMART (Simple Modular Architecture Research Tool) is a web resource (http://smart.embl.de) for the identification and annotation of protein domains and the analysis of protein domain architectures. SMART version 8 contains manually curated models for more than 1300 protein domains, with approximately 100 new models added since our last update article (1). The underlying protein databases were synchronized with UniProt (2), Ensembl (3) and STRING (4), doubling the total number of annotated domains and other protein features to more than 200 million...
October 10, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29040670/virus-taxonomy-the-database-of-the-international-committee-on-taxonomy-of-viruses-ictv
#11
Elliot J Lefkowitz, Donald M Dempsey, Robert Curtis Hendrickson, Richard J Orton, Stuart G Siddell, Donald B Smith
The International Committee on Taxonomy of Viruses (ICTV) is charged with the task of developing, refining, and maintaining a universal virus taxonomy. This task encompasses the classification of virus species and higher-level taxa according to the genetic and biological properties of their members; naming virus taxa; maintaining a database detailing the currently approved taxonomy; and providing the database, supporting proposals, and other virus-related information from an open-access, public web site. The ICTV web site (http://ictv...
October 13, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29040639/the-medical-science-dmz-a-network-design-pattern-for-data-intensive-medical-science
#12
Sean Peisert, Eli Dart, William Barnett, Edward Balas, James Cuff, Robert L Grossman, Ari Berman, Anurag Shankar, Brian Tierney
Objective: We describe a detailed solution for maintaining high-capacity, data-intensive network flows (eg, 10, 40, 100 Gbps+) in a scientific, medical context while still adhering to security and privacy laws and regulations. Materials and Methods: High-end networking, packet-filter firewalls, network intrusion-detection systems. Results: We describe a "Medical Science DMZ" concept as an option for secure, high-volume transport of large, sensitive datasets between research institutions over national research networks, and give 3 detailed descriptions of implemented Medical Science DMZs...
October 6, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29040613/dna-data-bank-of-japan-30th-anniversary
#13
Yuichi Kodama, Jun Mashima, Takehide Kosuge, Eli Kaminuma, Osamu Ogasawara, Kousaku Okubo, Yasukazu Nakamura, Toshihisa Takagi
The DNA Data Bank of Japan (DDBJ) Center (http://www.ddbj.nig.ac.jp) has been providing public data services for 30 years since 1987. We are collecting nucleotide sequence data and associated biological information from researchers as a member of the International Nucleotide Sequence Database Collaboration (INSDC), in collaboration with the US National Center for Biotechnology Information and the European Bioinformatics Institute. The DDBJ Center also services the Japanese Genotype-phenotype Archive (JGA) with the National Bioscience Database Center to collect genotype and phenotype data of human individuals...
October 10, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29040589/corifollitropin-alfa-followed-by-highly-purified-hmg-versus-recombinant-fsh-in-young-poor-ovarian-responders-a-multicentre-randomized-controlled-clinical-trial
#14
Panagiotis Drakopoulos, Thi Ngoc Lan Vuong, Ngoc Anh Vu Ho, Alberto Vaiarelli, Manh Tuong Ho, Christophe Blockeel, Michel Camus, Anh Tuan Lam, Arne van de Vijver, Peter Humaidan, Herman Tournaye, Nikolaos P Polyzos
STUDY QUESTION: Does administration of corifollitropin alfa followed by highly purified (hp) HMG result in higher ongoing pregnancy rates compared with daily recombinant FSH (rFSH) in young poor responders? SUMMARY ANSWER: Corifollitropin alfa followed by hp-HMG does not increase ongoing pregnancy rates compared with rFSH in young poor responders, although more supernumerary cryopreserved embryos were obtained with corifollitropin alfa and hp-HMG. WHAT IS KNOWN ALREADY: Poor ovarian response remains one of the main therapeutic challenges in women undergoing ovarian stimulation, given that very low live birth rates of 6% have been reported in this particular group of infertile patients...
September 23, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29040565/refugees-migrants-and-displaced-populations-the-united-nations-new-york-declaration-and-the-who-international-health-regulations
#15
Richard Seifman
The World Health Assembly approved the International Health Regulations (IHR) committing countries to strengthen their capacity to address public health emergencies of international concern. A mechanism to assess a country's capacity, the Joint External Evaluation (JEE), is a means to assist countries to assess their health system preparedness. The assessment teams include public health and veterinary experts, but include those with specialized knowledge about refugee, immigrant, and internally displaced persons situations...
October 5, 2017: International Health
https://www.readbyqxmd.com/read/29040490/proceedings-from-an-international-conference-on-ablation-therapy-for-barrett-s-mucosa-brittany-france-31-august-2-september-1997
#16
C G Bremner, T R Demeester
The increasing incidence of adenocarcinoma of the lower esophagus and cardia arising in Barrett's metaplastic epithelium continues to be of great concern because medical and surgical efforts to reverse the process have been disappointing. A potential answer to the problem is removal of the metaplastic epithelium. Modern technology has introduced physical and chemical modalities which facilitate ablation of the neo-epithelium endoscopically. These techniques have been used in several centers, and preliminary results are encouraging...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29040459/uc2-search-using-unique-connectivity-of-uncharged-compounds-for-metabolite-annotation-by-database-searching-in-mass-spectrometry-based-metabolomics
#17
Nozomu Sakurai, Takafumi Narise, Joon-Soo Sim, Chang-Muk Lee, Chiaki Ikeda, Nayumi Akimoto, Shigehiko Kanaya
Summary: For metabolite annotation in metabolomics, variations in the registered states of compounds (charged and multiple components such as salts) and their redundancy among compound databases could be the cause of misannotations and hamper immediate recognition of the uniqueness of metabolites while searching by mass values measured using mass spectrometry. We developed a search system named UC2 (Unique Connectivity of Uncharged Compounds) where compounds are tentatively neutralized into uncharged states and stored on the basis of their unique connectivity of atoms after removing their stereochemical information using the first block in the hash of the IUPAC International Chemical Identifier, by which false-positive hits are remarkably reduced, both charged and uncharged compounds are properly searched in a single query and records having a unique connectivity are compiled in a single search result...
October 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29040433/low-end-tidal-co2-as-a-real-time-severity-marker-of-intra-anaesthetic-acute-hypersensitivity-reactions
#18
A Gouel-Chéron, L de Chaisemartin, F Jönsson, P Nicaise-Roland, V Granger, A Sabahov, M-T Guinnepain, S Chollet-Martin, P Bruhns, C Neukirch, D Longrois
Background: Prompt diagnosis of intra-anaesthetic acute hypersensitivity reactions (AHR) is challenging because of the possible absence and/or difficulty in detecting the usual clinical signs and because of the higher prevalence of alternative diagnoses. Delayed epinephrine administration during AHR, because of incorrect/delayed diagnosis, can be associated with poor prognosis. Low end-tidal CO2 (etCO2) is known to be linked to low cardiac output. Yet, its clinical utility during suspected intra-anaesthetic AHR is not well documented...
October 10, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29040401/a-young-blood-environment-decreases-aging-of-senile-mice-kidneys
#19
Qi Huang, Yichun Ning, Dong Liu, Ying Zhang, Diangeng Li, Yinping Zhang, Zhong Yin, Bo Fu, Guangyan Cai, Xuefeng Sun, Xiangmei Chen
Whether changes in internal body environment affect kidney aging remains unclear. Specifically, it is unknown whether transplanted kidneys from older donors recover from tissue damage after placement in younger recipients. In this study, a parabiosis animal model was established to investigate the effects of a young internal body environment on aged kidneys. The animals were divided into six groups: young (Ycon) and old (Ocon) control groups, isochronic youth-youth group (Y-IP), elderly-elderly group (O-IP) and heterochronic youth (Y-HP) elderly (O-HP) group...
October 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29040397/demystifying-the-july-effect-in-plastic-surgery-a-multi-institutional-study
#20
Jordan T Blough, Sumanas W Jordan, Gildasio S De Oliveira, Michael M Vu, John Y S Kim
Background: The "July Effect" refers to a theoretical increase in complications that may occur with the influx of inexperienced interns and residents at the beginning of each academic year in July. Objectives: We endeavored to determine if a July Effect occurs in plastic surgery. Methods: Plastic surgery procedures were isolated from the National Surgical Quality Improvement Program registry. Cases involving residents were grouped as either having occurred within the first academic quarter (AQ1) or remaining year (AQ2-4)...
September 15, 2017: Aesthetic Surgery Journal
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