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https://www.readbyqxmd.com/read/29917052/nrf2-deficiency-impairs-atherosclerotic-lesion-development-but-promotes-features-of-plaque-instability-in-hypercholesterolemic-mice
#1
Anna-Kaisa Ruotsalainen, Jari P Lappalainen, Emmi Heiskanen, Mari Merentie, Virve Sihvola, Juha Näpänkangas, Line Lottonen-Raikaslehto, Emilia Kansanen, Simone Adinolfi, Kai Kaarniranta, Seppo Ylä-Herttuala, Matti Jauhiainen, Eija Pirinen, Anna-Liisa Levonen
Aims: Oxidative stress and inflammation play an important role in the progression of atherosclerosis. Transcription factor NF-E2-related factor 2 (Nrf2) has antioxidant and anti-inflammatory effects in the vessel wall, but paradoxically, global loss of Nrf2 in apoE deficient mice alleviates atherosclerosis. In this study, we investigated the effect of global Nrf2 deficiency on early and advanced atherogenesis in alternative models of atherosclerosis, LDL receptor deficient mice (LDLR-/-) and LDLR-/- mice expressing apoB-100 only (LDLR-/-ApoB100/100) having a humanized lipoprotein profile...
June 18, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29917014/transcriptome-wide-survey-of-pseudorabies-virus-using-next-and-third-generation-sequencing-platforms
#2
Dóra Tombácz, Donald Sharon, Attila Szűcs, Norbert Moldován, Michael Snyder, Zsolt Boldogkői
Pseudorabies virus (PRV) is an alphaherpesvirus of swine. PRV has a large double-stranded DNA genome and, as the latest investigations have revealed, a very complex transcriptome. Here, we present a large RNA-Seq dataset, derived from both short- and long-read sequencing. The dataset contains 1.3 million 100 bp paired-end reads that were obtained from the Illumina random-primed libraries, as well as 10 million 50 bp single-end reads generated by the Illumina polyA-seq. The Pacific Biosciences RSII non-amplified method yielded 57,021 reads of inserts (ROIs) aligned to the viral genome, the amplified method resulted in 158,396 PRV-specific ROIs, while we obtained 12,555 ROIs using the Sequel platform...
June 19, 2018: Scientific Data
https://www.readbyqxmd.com/read/29916767/development-of-an-ear-cap-in-chronic-suppurative-otitis-media-using-additive-manufacturing-and-triz
#3
Mahesh B Mawale, Abhaykumar Kuthe, Anupama M Mawale, Sandeep W Dahake
The prevalence rate of chronic suppurative otitis media is high and its treatment continues to be a challenge for the otorhinolaryngologists. Due to middle ear infection, there may be pain, hearing loss and spontaneous rupture of the eardrum which results in perforation. Infections can cause a hole in the eardrum as a side effect of otitis media. The patients suffering from ear perforation or having a hole in eardrum require preventing entry of water in the ear. This article describes the development of ear cap using additive manufacturing and TRIZ (a collaborative tool) to prevent the entry of water in the ear during chronic otitis media...
June 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29916558/increased-right-atrial-volume-measured-with-cardiac-magnetic-resonance-is-associated-with-worse-clinical-outcome-in-patients-with-pre-capillary-pulmonary-hypertension
#4
Anna Bredfelt, Göran Rådegran, Roger Hesselstrand, Håkan Arheden, Ellen Ostenfeld
AIMS: Pre-capillary pulmonary hypertension (PHpre-cap ) has a poor prognosis, especially when caused by pulmonary arterial hypertension (PAH) associated with systemic sclerosis (SSc-PAH). Whether cardiac magnetic resonance (CMR)-based quantification of atrial volumes in PHpre-cap is beneficial in risk assessment is unknown. The aims were to investigate if (i) atrial volumes using CMR are associated with death or lung transplantation in PHpre-cap , (ii) atrial volumes differ among four unmatched major PHpre-cap subgroups, and (iii) atrial volumes differ between SSc-PAH and idiopathic/familial PAH (IPAH/FPAH) when matched for pulmonary vascular resistance (PVR)...
June 19, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29916150/an-investigation-of-the-effects-of-capping-on-internal-phosphorus-release-from-sediments-under-rooted-macrophytes-phragmites-australis-revegetation
#5
Juhua Yu, Jicheng Zhong, Qiuwen Chen, Wei Huang, Liuming Hu, Yinlong Zhang, Chengxin Fan
In eutrophic lake restorations, in situ capping is an often considered method to control sediment internal phosphorus (P) pollution for mitigating eutrophication status. Subsequent aquatic macrophyte revegetation can directly derive P from the sediment for growth. However, the effects of capping with clean soils on internal P release from sediments under rooted aquatic macrophyte revegetation are still unclear. In the present study, the influences of sediment P remobilization by P. australis revegetation on P inactivation by capping were investigated based on an entire growth simulation study...
June 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29915832/a-rainbow-ratiometric-fluorescent-sensor-array-on-bacterial-nanocellulose-for-visual-discrimination-of-biothiols
#6
Samira Abbasi-Moayed, Hamed Golmohammadi, Arafeh Bigdeli, M Reza Hormozi-Nezhad
Considering the crucial role of biothiols in many biological processes, which turns them into highly valuable biomarkers for the early diagnosis of various diseases, the development of an affordable, sensitive and portable probe for the identification and discrimination of these compounds is of great importance. Herein, we developed a ratiometric fluorescent (RF) sensor array with a wide color emissive variation, on a bacterial cellulose (BC) nanopaper substrate for the visual discrimination of biothiols. To this aim, RF sensing elements including N-acetyl l-cysteine capped green CdTe quantum dots-rhodamine B (GQDs-RhB) and red CdTe QDs-carbon dots (RQDs-CDs) at two different NaOH concentrations (0 and 5 mM) were utilized as sensor elements for the discrimination of biothiols...
June 19, 2018: Analyst
https://www.readbyqxmd.com/read/29915664/approaches-to-manage-affordability-of-high-budget-impact-medicines-in-key-eu-countries
#7
REVIEW
Mathias Flume, Marc Bardou, Stefano Capri, Oriol Sola-Morales, David Cunningham, Lars-Ake Levin, Maarten J Postma, Nicolas Touchot
Background:  The launch of hepatitis C (HCV) drugs such as sofosbuvir or ledipasvir has fostered the question of affordability of novel high budget impact therapies even in countries with high domestic product. European countries have developed a variety of mechanisms to improve affordability of such therapies, including 'affordability thresholds', price volume agreements or caps on individual product sales, and special budgets for innovative drugs. While some of these mechanisms may help limit budget impact, there are still significant progresses to be made in the definition and implementation of approaches to ensure affordability, especially in health systems where the growth potential in drug spending and/or in the patient contribution to health insurance are limited...
2018: Journal of Market Access & Health Policy
https://www.readbyqxmd.com/read/29914077/lhx2-mediates-the-fgf-to-shh-regulatory-loop-during-limb-development
#8
Billy A Watson, Jennifer M Feenstra, Jonathan M Van Arsdale, Karndeep S Rai-Bhatti, Diana J H Kim, Ashley S Coggins, Gennaya L Mattison, Stephen Yoo, Eric D Steinman, Charmaine U Pira, Brendan R Gongol, Kerby C Oberg
During limb development, fibroblast growth factors (Fgfs) govern proximal⁻distal outgrowth and patterning. FGFs also synchronize developmental patterning between the proximal⁻distal and anterior⁻posterior axes by maintaining Sonic hedgehog (Shh) expression in cells of the zone of polarizing activity (ZPA) in the distal posterior mesoderm. Shh, in turn, maintains Fgfs in the apical ectodermal ridge (AER) that caps the distal tip of the limb bud. Crosstalk between Fgf and Shh signaling is critical for patterned limb development, but the mechanisms underlying this feedback loop are not well-characterized...
June 15, 2018: Journal of Developmental Biology
https://www.readbyqxmd.com/read/29913347/structural-basis-for-eukaryotic-mrna-modification
#9
REVIEW
Andrew J Fisher, Peter A Beal
All messenger RNAs in eukaryotes are modified co-transcriptionally and post-transcriptionally. They are all capped at the 5'-end and polyadenylated at the 3'-end. However, many mRNAs are also found to be chemically modified internally for regulation of mRNA processing, translation, stability, and to recode the message. This review will briefly summarize the structural basis for formation of the two most common modifications found at internal sites in mRNAs; methylation and deamination. The structures of the enzymes that catalyze these modifications show structural similarity to other family members within each modifying enzyme class...
June 15, 2018: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/29912555/discovery-and-evolution-of-polyoxopalladates
#10
Peng Yang, Ulrich Kortz
Noble metal catalysts, in particular palladium-containing materials, are of prime commercial interest, because of their role as oxidation catalysts in automobile emission-control systems and reforming catalysts for the production of high-octane gasoline. However, despite almost two centuries of research, the precise structure of such materials is still ill-defined on the sub-nanometer scale, which severely limits the understanding of the underlying catalytic mechanisms. As a burgeoning class of structurally well-defined noble metal oxide nanoclusters, polyoxopalladates (POPs) have been highly rated as ideal models to fully decipher the molecular mechanism of noble metal-based catalysis...
June 18, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29912270/development-of-a-coding-and-crosswalk-tool-for-occupations-and-industries
#11
Thomas Rémen, Lesley Richardson, Corinne Pilorget, Gilles Palmer, Jack Siemiatycki, Jérôme Lavoué
Introduction: Job coding into a standard occupation or industry classification is commonly performed in occupational epidemiology and occupational health. Sometimes, it is necessary to code jobs into multiple classifications or to convert job codes from one classification to another. We developed a generic tool, called CAPS-Canada (http://www.caps-canada.ca/), that combines a computer-assisted coding tool covering seven International, Canadian and US occupation and industry classifications and an assistant facilitating crosswalks from one classification to another...
June 15, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29912246/panchromatic-ternary-organic-solar-cells-with-9-44-efficiency-incorporating-porphyrin-based-donors
#12
Maida Vartanian, Pilar de la Cruz, Subhayan Biswas, Ganesh D Sharma, Fernando Langa
In an effort to improve the short-circuit current and fill factor, organic solar cells have been developed with ternary blending in a single bulk heterojunction active layer. We report here several all small molecule organic solar cells based on ternary bulk heterojunction active layers. These layers consist of two small molecule porphyrin donors (MV71 and MV72), which have the same backbone but different end-capping acceptor units, and PC71BM as the acceptor. The organic solar cells showed overall power conversion efficiencies of 3...
June 18, 2018: Nanoscale
https://www.readbyqxmd.com/read/29912195/how-to-find-effects-of-stimulus-processing-on-event-related-brain-potentials-of-close-others-when-hyperscanning-partners
#13
Amanda Tardif, Ashley Chau-Morris, Zi Yue Wang, Ehime Takahara, Tim Hadjis, Jean Debruille, J Bruno Debruille
The partners of each pair must be able to pass the McGill Friendship Questionnaire without communicating. Each partner is then seated in front of a screen in one of two adjacent rooms. These rooms are separated by a glass window through which participants communicate to maintain feelings of togetherness while being fitted with the EEG cap. After checking for adequate EEG signals, the glass is covered by a curtain to prevent visual communication. Then, partners must be silent but are instructed to try to feel in the presence of their partner during the entire experiment...
May 31, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29911868/fluorimetric-studies-of-a-trans-membrane-protein-and-its-interactions-with-differently-functionalized-silver-nanoparticles
#14
Marta Gambucci, Luigi Tarpani, Giulia Zampini, Giuseppina Massaro, Morena Nocchetti, Paola Sassi, Loredana Latterini
Trans-membrane proteins play important roles in the inter-cellular signaling to regulate the interactions among adjacent cells and influence cell fate. The study of the interactions between membrane proteins and nanomaterials is paramount for the design of nanomaterial-based therapies. In the present work, the fluorescence properties of the trans-membrane receptor Notch2 have been investigated. In particular, steady state and time resolved fluorescence methods have been used to characterize the emission of tryptophan residues of Notch2 and then this emission is used to monitor the impact of silver colloids on protein behavior...
June 18, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29911753/consecutive-measures-of-crp-correlate-with-length-of-hospital-stay-in-patients-with-community-acquired-pneumonia
#15
Raymond Farah, Rola Khamisy-Farah, Nicola Makhoul
BACKGROUND: Accurate diagnosis of community acquired pneumonia (CAP) is crucial to its proper management and to combating antibiotic resistance. Levels of C-reactive protein (CRP) have been shown to distinguish pneumonia from other pathological conditions and can be used to control the severity of infection during admission. OBJECTIVES: To investigate an association between consecutive measurements of CRP and the severity of CAP in hospitalized patients. METHODS: A total of 500 patients with CAP were admitted to the hospital...
June 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29911717/single-ligand-exchange-on-an-au-cu-bimetal-nanocluster-and-mechanism
#16
Yongbo Song, Ying Lv, Meng Zhou, Tian-Yi Luo, Shuo Zhao, Nathaniel L Rosi, Haizhu Yu, Manzhou Zhu, Rongchao Jin
An Au-Cu bimetallic nanocluster co-capped by selenolate and phosphine is obtained and its X-ray structure shows an icosahedral Au13 kernel surrounded by three CuSe2PPh2Py motifs and one CuSe3 motif, formulated as [Au13Cu4(PPh2Py)3(SePh)9]. Interestingly, a single-ligand exchange process is observed in the growth reaction, in which an [Au13Cu4(PPh2Py)4(SePh)8]+ intermediate is first formed, but a prolonged reaction leads to one PPh2Py ligand being selectively replaced by a PhSe-ligand. DFT simulations reveal that both steric hindrance and bond dissociation energy have great effects on the single-ligand exchange reaction as well as the thermodynamics, which help to understand the mechanism of the ligand exchange...
June 18, 2018: Nanoscale
https://www.readbyqxmd.com/read/29911683/low-cost-synthesis-of-highly-luminescent-colloidal-lead-halide-perovskite-nanocrystals-by-wet-ball-milling
#17
Loredana Protesescu, Sergii Yakunin, Olga Nazarenko, Dmitry N Dirin, Maksym V Kovalenko
Lead halide perovskites of APbX3 type [A = Cs, formamidinium (FA), methylammonium; X = Br, I] in the form of ligand-capped colloidal nanocrystals (NCs) are widely studied as versatile photonic sources. FAPbBr3 and CsPbBr3 NCs have become promising as spectrally narrow green primary emitters in backlighting of liquid-crystal displays (peak at 520-530 nm, full width at half-maximum of 22-30 nm). Herein, we report that wet ball milling of bulk APbBr3 (A = Cs, FA) mixed with solvents and capping ligands yields green luminescent colloidal NCs with a high overall reaction yield and optoelectronic quality on par with that of NCs of the same composition obtained by hot-injection method...
March 23, 2018: ACS applied nano materials
https://www.readbyqxmd.com/read/29911485/establishing-concurrent-validity-for-a-brief-ptsd-screen-among-women-in-a-domestic-violence-shelter
#18
Lene Symes, Judith McFarlane, John Maddoux, Lisa Beth Levine, Kimberly S Landrum, Cari Delgado McFarlane
There is a particular need for valid scales to screen for posttraumatic stress disorder (PTSD) among women who seek safe shelter from intimate partner violence. Screening to identify women who are at risk for PTSD can lead to early intervention that reduces the risk for PTSD-related outcomes such as poor decision making, inconsistent parenting, and behavior dysfunction among their children. The gold standard for diagnosing PTSD is the Clinician-Administered PTSD Scale for Diagnostic and Statistical Manual of Mental Disorders (5th ed...
June 1, 2018: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29910929/self-assembled-orthoester-cryptands-orthoester-scope-post-functionalization-kinetic-locking-and-tunable-degradation-kinetics
#19
Henrik Löw, Elena Mena-Osteritz, Max von Delius
Dynamic adaptability and biodegradability are key features of functional, 21st century host-guest systems. We have recently discovered a class of tripodal supramolecular hosts, in which two orthoesters act as constitutionally dynamic bridgeheads. Having previously demonstrated the adaptive nature of these hosts, we now report the synthesis and characterization - including eight solid state structures - of a diverse set of orthoester cages, which provides evidence for the broad scope of this new host class. With the same set of compounds, we demonstrated that the rates of orthoester exchange and hydrolysis can be tuned over a remarkably wide range, from rapid hydrolysis at pH 8 to nearly inert at pH 1, and that the Taft parameter of the orthoester substituent allows an adequate prediction of the reaction kinetics...
June 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29910780/clean-low-biomass-procedures-and-their-application-to-ancient-ice-core-microorganisms
#20
Zhi-Ping Zhong, Natalie E Solonenko, Maria C Gazitúa, Donald V Kenny, Ellen Mosley-Thompson, Virginia I Rich, James L Van Etten, Lonnie G Thompson, Matthew B Sullivan
Microorganisms in glacier ice provide tens to hundreds of thousands of years archive for a changing climate and microbial responses to it. Analyzing ancient ice is impeded by technical issues, including limited ice, low biomass, and contamination. While many approaches have been evaluated and advanced to remove contaminants on ice core surfaces, few studies leverage modern sequencing to establish in silico decontamination protocols for glacier ice. Here we sought to apply such "clean" sampling techniques with in silico decontamination approaches used elsewhere to investigate microorganisms archived in ice at ∼41 (D41, ∼20,000 years) and ∼49 m (D49, ∼30,000 years) depth in an ice core (GS3) from the summit of the Guliya ice cap in the northwestern Tibetan Plateau...
2018: Frontiers in Microbiology
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