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https://www.readbyqxmd.com/read/28340378/current-fda-approved-treatments-for-non-small-cell-lung-cancer-and-potential-biomarkers-for-its-detection
#1
REVIEW
Karla A Ruiz-Ceja, Yolanda I Chirino
BACKGROUND: Lung cancer is the leading worldwide cancer with almost 1.5 million deaths every year. Some drugs for lung cancer treatment have been available on the market for decades, but novel drugs have emerged promising better outcomes, especially for Non-Small Cell Lung Cancer (NSCLC), which represents 75% of lung cancer cases. However, how much do drugs have evolved for NSCLC treatment? Are they sharing the same mechanism of action? AIM: In this review we analyzed how the approved drugs by Federal Drug Agency for NSCLC have advanced in the last four decades identifying shared mechanism of action of medicines against NSCLC treatment and some of the potential biomarkers for early detection...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28338950/non-replicative-rna-recombination-of-an-animal-plus-strand-rna-virus-in-the-absence-of-efficient-translation-of-viral-proteins
#2
Maximiliane Kleine Büning, Denise Meyer, Sophia Austermann-Busch, Gleyder Roman-Sosa, Tillmann Rümenapf, Paul Becher
RNA recombination is a major driving force for the evolution of RNA viruses and is significantly implicated in the adaptation of viruses to new hosts, changes of virulence, as well as in the emergence of new viruses including drug-resistant and escape mutants. However, the molecular details of recombination in animal RNA viruses are only poorly understood. In order to determine whether viral RNA recombination depends on translation of viral proteins, a non-replicative recombination system was established which is based on cotransfection of cells with synthetic bovine viral diarrhea virus (family Flaviviridae) RNA genome fragments either lacking the internal ribosome entry site required for cap-independent translation or lacking almost the complete polyprotein coding region...
March 11, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28338690/a-viscous-solvent-enables-information-transfer-from-gene-length-nucleic-acids-in-a-model-prebiotic-replication-cycle
#3
Christine He, Isaac Gállego, Brandon Laughlin, Martha A Grover, Nicholas V Hud
Many hypotheses concerning the nature of early life assume that genetic information was once transferred through the template-directed synthesis of RNA, before the emergence of coded enzymes. However, attempts to demonstrate enzyme-free, template-directed synthesis of nucleic acids have been limited by 'strand inhibition', whereby transferring information from a template strand in the presence of its complementary strand is inhibited by the stability of the template duplex. Here, we use solvent viscosity to circumvent strand inhibition, demonstrating information transfer from a gene-length template (>300 nt) within a longer (545 bp or 3 kb) duplex...
April 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28338682/simple-peptides-derived-from-the-ribosomal-core-potentiate-rna-polymerase-ribozyme-function
#4
Shunsuke Tagami, James Attwater, Philipp Holliger
The emergence of functional interactions between nucleic acids and polypeptides was a key transition in the origin of life and remains at the heart of all biology. However, how and why simple non-coded peptides could have become critical for RNA function is unclear. Here, we show that putative ancient peptide segments from the cores of both ribosomal subunits enhance RNA polymerase ribozyme (RPR) function, as do derived homopolymeric peptides comprising lysine or the non-proteinogenic lysine analogues ornithine or, to a lesser extent, diaminobutyric acid, irrespective of chirality or chiral purity...
April 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28338425/assessing-the-reliability-of-performing-citywide-chronic-disease-surveillance-using-emergency-department-data-from-sentinel-hospitals
#5
David C Lee, Jordan L Swartz, Christian A Koziatek, Andrew J Vinson, Jessica K Athens, Stella S Yi
Given the inequalities in the distribution of disease burden, geographically detailed methods of disease surveillance are needed to identify local hot spots of chronic disease. However, few data sources include the patient-level addresses needed to perform these studies. Given that individual hospitals would have access to this geographically granular data, this study assessed the reliability of estimating chronic disease prevalence using emergency department surveillance at specific hospitals. Neighborhood-level diabetes, hypertension, and asthma prevalence were estimated using emergency claims data from each individual hospital in New York City from 2009-2012...
March 24, 2017: Population Health Management
https://www.readbyqxmd.com/read/28338200/glioma-cells-promote-angiogenesis-through-the-release-of-exosomes-containing-long-non-coding-rna-pou3f3
#6
H-L Lang, G-W Hu, Y Chen, Y Liu, W Tu, Y-M Lu, L Wu, G-H Xu
OBJECTIVE: Angiogenesis is a key event in the progression of gliomas, and emerging evidence suggests that exosomes are signaling extracellular organelles that modulate the tumor microenvironment and promote angiogenesis and tumor progression. This study aimed to explore the mechanism by which glioma-derived exosomes affect angiogenesis. MATERIALS AND METHODS: qRT-PCR was used to determine the expression level of linc-POU3F3 in glioma tissue as well as glioma cell lines...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28336950/dual-regulation-of-water-retention-and-cell-growth-by-a-stress-associated-protein-sap-gene-in-prunus
#7
Alba Lloret, Ana Conejero, Carmen Leida, César Petri, Francisco Gil-Muñoz, Lorenzo Burgos, María Luisa Badenes, Gabino Ríos
We have identified a gene (PpSAP1) of Prunus persica coding for a stress-associated protein (SAP) containing Zn-finger domains A20 and AN1. SAPs have been described as regulators of the abiotic stress response in plant species, emerging as potential candidates for improvement of stress tolerance in plants. PpSAP1 was highly expressed in leaves and dormant buds, being down-regulated before bud dormancy release. PpSAP1 expression was moderately induced by water stresses and heat in buds. In addition, it was found that PpSAP1 strongly interacts with polyubiquitin proteins in the yeast two-hybrid system...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336425/characterizing-object-and-position-dependent-response-profiles-to-uni-and-bilateral-stimulus-configurations-in-human-higher-visual-cortex-a-7t-fmri-study
#8
Joel Reithler, Judith C Peters, Rainer Goebel
Visual scenes are initially processed via segregated neural pathways dedicated to either of the two visual hemifields. Although higher-order visual areas are generally believed to utilize invariant object representations (abstracted away from features such as stimulus position), recent findings suggest they retain more spatial information than previously thought. Here, we assessed the nature of such higher-order object representations in human cortex using high-resolution fMRI at 7T, supported by corroborative 3T data...
March 21, 2017: NeuroImage
https://www.readbyqxmd.com/read/28335027/a-transposon-derived-small-rna-regulates-gene-expression-in-salmonella-typhimurium
#9
Michael J Ellis, Ryan S Trussler, Onella Charles, David B Haniford
Bacterial sRNAs play an important role in regulating many cellular processes including metabolism, outer membrane homeostasis and virulence. Although sRNAs were initially found in intergenic regions, there is emerging evidence that protein coding regions of the genome are a rich reservoir of sRNAs. Here we report that the 5΄UTR of IS200 transposase mRNA (tnpA) is processed to produce regulatory RNAs that affect expression of over 70 genes in Salmonella Typhimurium. We provide evidence that the tnpA derived sRNA base-pairs with invF mRNA to repress expression...
February 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334728/does-emergency-presentation-of-cancer-represent-poor-performance-in-primary-care-insights-from-a-novel-analysis-of-linked-primary-and-secondary-care-data
#10
Peter Murchie, Sarah M Smith, Michael S Yule, Rosalind Adam, Melanie E Turner, Amanda J Lee, Shona Fielding
BACKGROUND: People diagnosed with cancer following emergency presentation have poorer short-term survival. To what extent this signifies a missed opportunity for earlier diagnosis in primary care remains unclear as little detailed data exist on the patient/general practitioner interaction beforehand. METHODS: Analysis of primary care and regional data for 1802 cancer patients from Northeast Scotland. Adjusted odds ratios (OR) and 95% confidence intervals (CIs) for patient and GP practice predictors of emergency presentation...
March 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28334640/mirnas-in-synapse-development-and-synaptic-plasticity
#11
REVIEW
Zhonghua Hu, Zheng Li
Synapses are functional units of the nervous system, through which information is transferred between neurons. The development and activity-dependent modification of synapses require temporally and spatially controlled modulation of gene expression. microRNAs (miRNAs) have emerged as essential regulators of gene expression. They are small non-coding RNAs that regulate mRNA stability and translation by interacting with the 3' untranslated region (3' UTR) of mRNAs. miRNAs are located to neuronal processes to regulate protein synthesis locally and their expression is regulated by synaptic activity...
March 20, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28332331/computed-tomography-for-head-injuries-in-children-change-in-australian-usage-rates-over-time
#12
Ed Oakley, Rachel May, Tobias Hoeppner, Kam Sinn, Jeremy Furyk, Simon Craig, Pamela Rosengarten, Amit Kochar, David Krieser, Sarah Dalton, Stuart Dalziel, Jocelyn Neutze, Tim Cain, Kim Jachno, Franz E Babl
OBJECTIVE: Paediatric head injury is a common presentation to the ED. North American studies demonstrate increasing use of computed tomography (CT) brain scan (CTB) to investigate head injury. No such data exists for Australian EDs. The aim of this study was to describe CTB use in head injury over time in eight Australian EDs. METHODS: Retrospective ED electronic database and medical imaging database audit was undertaken for the years 2001-2010 by International Classification of Diseases (ICD) 9 or 10 code for head injury in children <16 years...
April 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28332105/emergency-department-burden-of-diverticulitis-in-the-usa-2006-2013
#13
Andrea Bollom, Jasmine Austrie, William Hirsch, Judy Nee, Daniel Friedlander, Kelli Ellingson, Vivian Cheng, Anthony Lembo
GOALS: The aim of this study was to analyze recent trends in emergency department (ED) visits for diverticulitis between 2006 and 2013. BACKGROUND: Acute diverticulitis is a serious medical condition that frequently leads to ED visits, hospitalizations, and surgeries resulting in a significant health care burden. METHODS: Data were obtained from the National Emergency Department Sample (NEDS) records in which diverticulitis (ICD-9-CM codes 562...
March 22, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28330420/arthroplasty-treatment-of-proximal-humerus-fractures-14-year-trends-in-the-united-states
#14
William W Schairer, Benedict U Nwachukwu, Stephen Lyman, Lawrence V Gulotta
OBJECTIVES: Proximal humerus fractures are a common injury in the elderly population that can usually be managed non-operatively. However, arthroplasty has become increasingly utilized for complex fractures and poor bone quality. We evaluated national trends in treatment, specifically looking at the adoption of reverse total shoulder arthroplasty. METHODS: The incidence of proximal humerus fractures was calculated from the Nationwide Emergency Department Database (NEDD) from 2006-2012...
March 22, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28329311/comparative-effectiveness-of-high-dose-versus-standard-dose-influenza-vaccines-among-us-medicare-beneficiaries-in-preventing-postinfluenza-deaths-during-2012-2013-and-2013-2014
#15
David K Shay, Yoganand Chillarige, Jeffrey Kelman, Richard A Forshee, Ivo M Foppa, Michael Wernecke, Yun Lu, Jill M Ferdinands, Arjun Iyengar, Alicia M Fry, Chris Worrall, Hector S Izurieta
Background.: Recipients of high-dose vs standard-dose influenza vaccines have fewer influenza illnesses. We evaluated the comparative effectiveness of high-dose vaccine in preventing postinfluenza deaths during 2012-2013 and 2013-2014, when influenza viruses and vaccines were similar. Methods.: We identified Medicare beneficiaries aged ≥65 years who received high-dose or standard-dose vaccines in community-located pharmacies offering both vaccines. The primary outcome was death in the 30 days following an inpatient or emergency department encounter listing an influenza International of Classification of Diseases, Ninth Revision, Clinical Modification code...
March 2, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28328537/long-non-coding-rna-loc100129148-functions-as-an-oncogene-in-human-nasopharyngeal-carcinoma-by-targeting-mir-539-5p
#16
Kai-Yu Sun, Tao Peng, Zhe Chen, Peng Song, Xu-Hong Zhou
Emerging studies have shown that long noncoding RNAs (lncRNAs) play critical roles in carcinogenesis and progression, including human nasopharyngeal carcinoma (NPC). The correlation between lncRNAs expression and NPC development has not been well identified in the recent literature. Recently, high-through put analysis reveals that LOC100129148 is highly expressed in NPC. However, whether the aberrant expression of LOC100129148 in NPC is corrected with tumorigenesis or prognosis has not been investigated. Herein, we identified that LOC100129148 was up-regulated in NPC tissues and cell lines, and higher expression of LOC100129148 resulted in a markedly poorer survival time...
March 21, 2017: Aging
https://www.readbyqxmd.com/read/28328253/a-comprehensive-index-for-predicting-risk-of-anemia-from-patients-diagnoses
#17
Matthew G Tuck, Farrokh Alemi, John F Shortle, Sanj Avramovic, Charles Hesdorffer
This article demonstrates how time-dependent, interacting, and repeating risk factors can be used to create more accurate predictive medicine. In particular, we show how emergence of anemia can be predicted from medical history within electronic health records. We used the Veterans Affairs Informatics and Computing Infrastructure database to examine a retrospective cohort of 9,738,838 veterans over an 11-year period. Using International Clinical Diagnoses Version 9 codes organized into 25 major diagnostic categories, we measured progression of disease by examining changes in risk over time, interactions in risk of combination of diseases, and elevated risk associated with repeated hospitalization for the same diagnostic category...
March 2017: Big Data
https://www.readbyqxmd.com/read/28326179/clinic-continuity-of-care-clinical-outcomes-and-direct-costs-for-copd-in-sweden-a-population-based-cohort-study
#18
Sofia Sveréus, Kjell Larsson, Clas Rehnberg
Introduction: In this study we investigate whether clinic level continuity of care (COC) for individuals with chronic obstructive pulmonary disease (COPD) is associated with better health care outcomes and lower costs in a Swedish setting. Methods: Individuals with COPD (N = 20,187) were identified through ICD-10 codes in all Stockholm County health care registries in 2007-2011 (59% female, 40% in the age group 65-74 years). We followed the individuals prospectively for 365 days after their first outpatient visit in 2012...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28323921/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#19
Yu Zhang, Xinghui Sun, Basak Icli, Mark W Feinberg
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs, non-coding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury...
February 17, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28323334/the-emerging-role-of-homologous-recombination-repair-and-parp-inhibitors-in-genitourinary-malignancies
#20
REVIEW
Kalen J Rimar, Phuoc T Tran, Richard S Matulewicz, Maha Hussain, Joshua J Meeks
As cells age and are exposed to genotoxic stress, preservation of the genomic code requires multiple DNA repair pathways to remove single-strand or double-strand breaks. Loss of function somatic genomic aberrations or germline deficiency in genes involved in DNA repair can result in acute cell death or, after a latency period, cellular transformation. Therapeutic exploitation of DNA repair by inhibition of poly (adenosine diphosphate [ADP]) ribose polymerases (PARP), a family of enzymes involved in the repair of single-strand and in some cases double-strand breaks, has become a novel cancer treatment...
March 21, 2017: Cancer
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