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https://www.readbyqxmd.com/read/28426205/euro-6-unregulated-pollutant-characterization-and-statistical-analysis-of-aftertreatment-device-and-driving-condition-impact-on-recent-passenger-car-emissions
#1
Simon Martinet, Yao Liu, Cédric Louis, Patrick Tassel, Pascal Perret, Agnès Chaumond, Michel Andre
This study aims to measure and analyze unregulated compound emissions for two Euro 6 diesel and gasoline vehicles. The vehicles were tested on a chassis dynamometer under various driving cycles: Artemis driving cycles (urban, road and motorway), the New European Driving Cycle (NEDC) and the World Harmonized Light-Duty Test Cycle (WLTC) for Europe, and world approval cycles. The emissions of unregulated compounds - such as total particle number (PN) (over 5.6 nm), black carbon (BC), NO2, BTEX (benzene, toluene, ethylbenzene and xylene), carbonyl compounds and polycyclic aromatic hydrocarbons (PAHs) - were measured with several on-line devices and different samples were collected using cartridges and quartz filters...
April 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28416701/defective-synaptic-connectivity-and-axonal-neuropathology-in-a-human-ipsc-based-model-of-familial-parkinson-s-disease
#2
Georgia Kouroupi, Era Taoufik, Ioannis S Vlachos, Konstantinos Tsioras, Nasia Antoniou, Florentia Papastefanaki, Dafni Chroni-Tzartou, Wolfgang Wrasidlo, Delphine Bohl, Dimitris Stellas, Panagiotis K Politis, Kostas Vekrellis, Dimitra Papadimitriou, Leonidas Stefanis, Piotr Bregestovski, Artemis G Hatzigeorgiou, Eliezer Masliah, Rebecca Matsas
α-Synuclein (αSyn) is the major gene linked to sporadic Parkinson's disease (PD), whereas the G209A (p.A53T) αSyn mutation causes a familial form of PD characterized by early onset and a generally severe phenotype, including nonmotor manifestations. Here we generated de novo induced pluripotent stem cells (iPSCs) from patients harboring the p.A53T mutation and developed a robust model that captures PD pathogenic processes under basal conditions. iPSC-derived mutant neurons displayed novel disease-relevant phenotypes, including protein aggregation, compromised neuritic outgrowth, and contorted or fragmented axons with swollen varicosities containing αSyn and Tau...
April 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28409283/body-composition-and-lung-function-in-children-with-cystic-fibrosis-and-meconium-ileus
#3
Artemis Doulgeraki, Argyri Petrocheilou, Glykeria Petrocheilou, George Chrousos, Stavros-Eleftherios Doudounakis, Athanasios G Kaditis
The aim of this study was to explore whether history of meconium ileus (MI) at birth in children and adolescents with cystic fibrosis (CF) adversely affects body composition and lung function in later life. Data of children and adolescents with CF who underwent spirometry and DXA as part of their routine care were analyzed. Associations between MI (explanatory variable) and areal bone mineral density (total body less head-TBLH aBMD), lean tissue mass (LTM), and fat mass (FM) (outcomes) were assessed using general linear models...
April 13, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28407234/mediterranean-diet-decreases-adolescent-waist-circumference
#4
Flora Bacopoulou, Georgios Landis, Anastasios Rentoumis, Artemis Tsitsika, Vasiliki Efthymiou
BACKGROUND: To explore the effects of a multicomponent-multilevel school-based educational intervention on the nutritional habits and abdominal obesity indices of a representative adolescent sample. MATERIALS AND METHODS: A representative sample of 1,610 adolescents aged 12-17 years in 23 public high schools of three municipalities in the Attica region in Greece, participated in a program funded by the European Union (August 2013-August 2014). Participants underwent dietary assessment with the use of the Mediterranean Diet Quality Index in children and adolescents (KIDMED), blood pressure assessment and screening for general and abdominal obesity by measuring body mass index, waist circumference (WC) and waist-to-height ratio (WHtR), at baseline and following a six-month school-based intervention...
April 13, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28403798/treating-older-hiv-1-infected-subjects-with-cobicistat-boosted-darunavir-in-a-48-week-phase-3-trial
#5
Kimberley Brown, Brooke Patterson-Browning, Chris Liu, Meera Patel, Lisa Stewart, Richard E Nettles
BACKGROUND: An aging HIV-1-infected population warrants examination of the acceptability of individual antiretroviral regimens. In a previous study of ritonavir-boosted darunavir (ARTEMIS), similar safety/efficacy profiles were observed in younger (≤45 years) and older (>45 years) HIV-1-infected subjects. OBJECTIVE: To evaluate safety and efficacy outcomes in HIV-1-infected younger versus older subjects treated with cobicistat-boosted darunavir. METHOD: In a 48-week, phase 3b, open-label trial, HIV-1-infected adults were administered darunavir 800 mg and cobicistat 150 mg once-daily with 2 nucleos(t)ide reverse transcriptase inhibitors (N[t]RTIs)...
April 7, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28386247/gamola2-a-comprehensive-software-package-for-the-annotation-and-curation-of-draft-and-complete-microbial-genomes
#6
Eric Altermann, Jingli Lu, Alan McCulloch
Expert curated annotation remains one of the critical steps in achieving a reliable biological relevant annotation. Here we announce the release of GAMOLA2, a user friendly and comprehensive software package to process, annotate and curate draft and complete bacterial, archaeal, and viral genomes. GAMOLA2 represents a wrapping tool to combine gene model determination, functional Blast, COG, Pfam, and TIGRfam analyses with structural predictions including detection of tRNAs, rRNA genes, non-coding RNAs, signal protein cleavage sites, transmembrane helices, CRISPR repeats and vector sequence contaminations...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28352484/primary-pulmonary-malignant-melanoma-report-of-an-important-entity-and-literature-review
#7
Christos Kyriakopoulos, George Zarkavelis, Artemis Andrianopoulou, Alexandra Papoudou-Bai, Dimitrios Stefanou, Stergios Boussios, George Pentheroudakis
Malignant melanoma involving the respiratory tract is nearly always metastatic in origin, and primary tumors are extremely rare. Published data on primary pulmonary malignant melanomas are limited. Up to now 40 relevant cases have been reported in the English literature. Herein, we report a case of a 56-year-old female patient who presented with intracranial metastases due to primary pulmonary melanoma. She underwent bronchoscopy and died 5 months after the initial diagnosis despite the administered biochemotherapy and subsequent immunotherapy...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28295628/pathophysiological-aspects-of-red-blood-cells-in-end-stage-renal-disease-patients-resistant-to-recombinant-human-erythropoietin-therapy
#8
Hara T Georgatzakou, Vassilis L Tzounakas, Anastasios G Kriebardis, Athanassios D Velentzas, Effie G Papageorgiou, Artemis I Voulgaridou, Apostolos C Kokkalis, Marianna H Antonelou, Issidora S Papassideri
OBJECTIVE: Modified, bio-reactive red blood cells (RBCs) and RBC-derived microvesicles likely contribute to the hematological and cardiovascular complications in end-stage renal disease (ESRD). This study assesses the physiological profile of red blood cells (RBCs) in end-stage renal disease (ESRD) patients receiving standard or high doses of recombinant human erythropoietin (rhEPO). METHOD: Blood samples from twenty-eight patients under sustained hemodialysis, responsive or not to standard rhEPO administration were examined for RBC morphology, fragility, hemolysis, redox status, removal signaling, membrane protein composition and microvesiculation before and after dialysis...
March 10, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28291226/neuronal-elavl-proteins-utilize-auf-1-as-a-co-partner-to-induce-neuron-specific-alternative-splicing-of-app
#9
Apostolia Fragkouli, Pelagia Koukouraki, Ioannis S Vlachos, Maria D Paraskevopoulou, Artemis G Hatzigeorgiou, Epaminondas Doxakis
Aβ peptide that accumulates in Alzheimer's disease brain, derives from proteolytic processing of the amyloid precursor protein (APP) that exists in three main isoforms derived by alternative splicing. The isoform APP695, lacking exons 7 and 8, is predominately expressed in neurons and abnormal neuronal splicing of APP has been observed in the brain of patients with Alzheimer's disease. Herein, we demonstrate that expression of the neuronal members of the ELAVL protein family (nELAVLs) correlate with APP695 levels in vitro and in vivo...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286324/effects-of-dihydroorotate-dehydrogenase-dhodh-inhibitors-on-the-growth-of-theileria-equi-and-babesia-caballi-in%C3%A2-vitro
#10
Ketsarin Kamyingkird, Shinuo Cao, Bumduuren Tuvshintulga, Akram Salama, Ahmed Abdelmoniem Mousa, Artemis Efstratiou, Yoshifumi Nishikawa, Naoaki Yokoyama, Ikuo Igarashi, Xuenan Xuan
Theileria equi and Babesia caballi are the causative agents of equine piroplasmosis (EP), which affects equine production in various parts of the world. However, a safe and effective drug is not currently available for treatment of EP. Dihydroorotate dehydrogenase (DHODH) is the fourth enzyme in the de novo pyrimidine synthesis pathway and has been known as a novel drug target for several apicomplexan protozoan parasites. In this study, we evaluated four DHODH inhibitors; atovaquone (ATV), leflunomide (LFN), brequinar (Breq), and 7-hydroxy-5-[1,2,4] triazolo [1,5,a] pyrimidine (TAZ) on the growth of T...
May 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28281063/agroforestry-a-sustainable-environmental-practice-for-carbon-sequestration-under-the-climate-change-scenarios-a-review
#11
Farhat Abbas, Hafiz Mohkum Hammad, Shah Fahad, Artemi Cerdà, Muhammad Rizwan, Wajid Farhad, Sana Ehsan, Hafiz Faiq Bakhat
Agroforestry is a sustainable land use system with a promising potential to sequester atmospheric carbon into soil. This system of land use distinguishes itself from the other systems, such as sole crop cultivation and afforestation on croplands only through its potential to sequester higher amounts of carbon (in the above- and belowground tree biomass) than the aforementioned two systems. According to Kyoto protocol, agroforestry is recognized as an afforestation activity that, in addition to sequestering carbon dioxide (CO2) to soil, conserves biodiversity, protects cropland, works as a windbreak, and provides food and feed to human and livestock, pollen for honey bees, wood for fuel, and timber for shelters construction...
March 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28266059/fractional-anisotropy-derived-from-the-diffusion-tensor-distribution-function-boosts-power-to-detect-alzheimer-s-disease-deficits
#12
Talia M Nir, Neda Jahanshad, Julio E Villalon-Reina, Dmitry Isaev, Artemis Zavaliangos-Petropulu, Liang Zhan, Alex D Leow, Clifford R Jack, Michael W Weiner, Paul M Thompson
PURPOSE: In diffusion MRI (dMRI), fractional anisotropy derived from the single-tensor model (FA(DTI) ) is the most widely used metric to characterize white matter (WM) microarchitecture, despite known limitations in regions with crossing fibers. Due to time constraints when scanning patients in clinical settings, high angular resolution diffusion imaging acquisition protocols, often used to overcome these limitations, are still rare in clinical population studies. However, the tensor distribution function (TDF) may be used to model multiple underlying fibers by representing the diffusion profile as a probabilistic mixture of tensors...
March 7, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28224154/unexpectedly-high-concentrations-of-monoterpenes-in-a-study-of-uk-homes
#13
Chunting Michelle Wang, Benjamin Barratt, Nicola Carslaw, Artemis Doutsi, Rachel E Dunmore, Martyn W Ward, Alastair C Lewis
The abundance of volatile organic compounds (VOCs) found in homes depends on many factors such as emissions, ventilation and the oxidative environment and these are evolving over time, reflecting changes in chemical use, behaviour and building design/materials. The concentrations of VOCs in 25 UK homes of varying ages, design and occupancy were quantified using continuous indoor air sampling over five days. Air was collected through low flow (1 mL min(-1)) constant flow restrictors into evacuated 6 L internally silica-treated canisters until the canisters reached atmospheric pressure...
April 19, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28214721/waterborne-transmission-of-protozoan-parasites-review-of-worldwide-outbreaks-an-update-2011-2016
#14
REVIEW
Artemis Efstratiou, Jerry E Ongerth, Panagiotis Karanis
This review provides a comprehensive update of worldwide waterborne parasitic protozoan outbreaks that occurred with reports published since previous reviews largely between January 2011 and December 2016. At least 381 outbreaks attributed to waterborne transmission of parasitic protozoa were documented during this time period. The nearly half (49%) of reports occurred in New Zealand, 41% of the outbreaks in North America and 9% in Europe. The most common etiological agent was Cryptosporidium spp., reported in 63% (239) of the outbreaks, while Giardia spp...
January 25, 2017: Water Research
https://www.readbyqxmd.com/read/28179544/long-term-tracking-of-budding-yeast-cells-in-brightfield-microscopy-cellstar-and-the-evaluation-platform
#15
Cristian Versari, Szymon Stoma, Kirill Batmanov, Artémis Llamosi, Filip Mroz, Adam Kaczmarek, Matt Deyell, Cédric Lhoussaine, Pascal Hersen, Gregory Batt
With the continuous expansion of single cell biology, the observation of the behaviour of individual cells over extended durations and with high accuracy has become a problem of central importance. Surprisingly, even for yeast cells that have relatively regular shapes, no solution has been proposed that reaches the high quality required for long-term experiments for segmentation and tracking (S&T) based on brightfield images. Here, we present CellStar, a tool chain designed to achieve good performance in long-term experiments...
February 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28177069/induction-of-cold-hardiness-in-an-invasive-herbivore-the-case-of-hemlock-woolly-adelgid-hemiptera-adelgidae
#16
Joseph S Elkinton, Jeffrey A Lombardo, Artemis D Roehrig, Thomas J McAvoy, Albert Mayfield, Mark Whitmore
No abstract text is available yet for this article.
February 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28174561/a-framework-for-the-evaluation-of-biosecurity-commercial-regulatory-and-scientific-impacts-of-plant-viruses-and-viroids-identified-by-ngs-technologies
#17
Sebastien Massart, Thierry Candresse, José Gil, Christophe Lacomme, Lukas Predajna, Maja Ravnikar, Jean-Sébastien Reynard, Artemis Rumbou, Pasquale Saldarelli, Dijana Škorić, Eeva J Vainio, Jari P T Valkonen, Hervé Vanderschuren, Christina Varveri, Thierry Wetzel
Recent advances in high-throughput sequencing technologies and bioinformatics have generated huge new opportunities for discovering and diagnosing plant viruses and viroids. Plant virology has undoubtedly benefited from these new methodologies, but at the same time, faces now substantial bottlenecks, namely the biological characterization of the newly discovered viruses and the analysis of their impact at the biosecurity, commercial, regulatory, and scientific levels. This paper proposes a scaled and progressive scientific framework for efficient biological characterization and risk assessment when a previously known or a new plant virus is detected by next generation sequencing (NGS) technologies...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28157149/improved-methods-for-fire-risk-assessment-in-low-income-and-informal-settlements
#18
REVIEW
John Twigg, Nicola Christie, James Haworth, Emmanuel Osuteye, Artemis Skarlatidou
Fires cause over 300,000 deaths annually worldwide and leave millions more with permanent injuries: some 95% of these deaths are in low- and middle-income countries. Burn injury risk is strongly associated with low-income and informal (or slum) settlements, which are growing rapidly in an urbanising world. Fire policy and mitigation strategies in poorer countries are constrained by inadequate data on incidence, impacts, and causes, which is mainly due to a lack of capacity and resources for data collection, analysis, and modelling...
February 1, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28153470/from-hiv-infection-to-therapeutic-response-a-population-based-longitudinal-hiv-cascade-of-care-study-in-kwazulu-natal-south-africa
#19
Noah Haber, Frank Tanser, Jacob Bor, Kevindra Naidu, Tinofa Mutevedzi, Kobus Herbst, Kholoud Porter, Deenan Pillay, Till Bärnighausen
BACKGROUND: Standard approaches to estimation of losses in the HIV cascade of care are typically cross-sectional and do not include the population stages before linkage to clinical care. We used indiviual-level longitudinal cascade data, transition by transition, including population stages, both to identify the health-system losses in the cascade and to show the differences in inference between standard methods and the longitudinal approach. METHODS: We used non-parametric survival analysis to estimate a longitudinal HIV care cascade for a large population of people with HIV residing in rural KwaZulu-Natal, South Africa...
January 30, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28132842/dna-double-strand-break-resection-occurs-during-non-homologous-end-joining-in-g1-but-is-distinct-from-resection-during-homologous-recombination
#20
Ronja Biehs, Monika Steinlage, Olivia Barton, Szilvia Juhász, Julia Künzel, Julian Spies, Atsushi Shibata, Penny A Jeggo, Markus Löbrich
Canonical non-homologous end joining (c-NHEJ) repairs DNA double-strand breaks (DSBs) in G1 cells with biphasic kinetics. We show that DSBs repaired with slow kinetics, including those localizing to heterochromatic regions or harboring additional lesions at the DSB site, undergo resection prior to repair by c-NHEJ and not alt-NHEJ. Resection-dependent c-NHEJ represents an inducible process during which Plk3 phosphorylates CtIP, mediating its interaction with Brca1 and promoting the initiation of resection. Mre11 exonuclease, EXD2, and Exo1 execute resection, and Artemis endonuclease functions to complete the process...
February 16, 2017: Molecular Cell
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