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https://www.readbyqxmd.com/read/28453775/deconvoluting-kinase-inhibitor-induced-cardiotoxicity
#1
Sarah D Lamore, Ernst Ahlberg, Scott Boyer, Michelle L Lamb, Maria P Hortigon-Vinagre, Victor Rodriguez, Godfrey L Smith, Johanna Sagemark, Lars Carlsson, Stephanie M Bates, Allison L Choy, Jonna Stålring, Clay W Scott, Matthew F Peters
Many drugs designed to inhibit kinases have their clinical utility limited by cardiotoxicity-related label warnings or prescribing restrictions. While this liability is widely recognized, designing safer kinase inhibitors (KI) requires knowledge of the causative kinase(s). Efforts to unravel the kinases have encountered pharmacology with nearly prohibitive complexity. At therapeutically relevant concentrations, KIs show promiscuity distributed across the kinome. Here, to overcome this complexity, 65 KIs with known kinome-scale polypharmacology profiles were assessed for effects on cardiomyocyte beating...
April 26, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28453649/pmut-a-web-based-tool-for-the-annotation-of-pathological-variants-on-proteins-2017-update
#2
Víctor López-Ferrando, Andrea Gazzo, Xavier de la Cruz, Modesto Orozco, Josep Ll Gelpí
We present here a full update of the PMut predictor, active since 2005 and with a large acceptance in the field of predicting Mendelian pathological mutations. PMut internal engine has been renewed, and converted into a fully featured standalone training and prediction engine that not only powers PMut web portal, but that can generate custom predictors with alternative training sets or validation schemas. PMut Web portal allows the user to perform pathology predictions, to access a complete repository of pre-calculated predictions, and to generate and validate new predictors...
April 27, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28453605/outlier-practice-patterns-in-mohs-micrographic-surgery-defining-the-problem-and-a-proposed-solution
#3
Aravind Krishnan, Tim Xu, Susan Hutfless, Angela Park, Thomas Stasko, Allison T Vidimos, Barry Leshin, Brett M Coldiron, Richard G Bennett, Victor J Marks, Rebecca Brandt, Martin A Makary, John G Albertini
Importance: Outlier physician practices in health care can represent a significant burden to patients and the health system. Objective: To study outlier physician practices in Mohs micrographic surgery (MMS) and the associated factors. Design, Setting, and Participants: This retrospective analysis of publicly available Medicare Part B claims data from January 2012 to December 2014 includes all physicians who received Medicare payments for MMS from any practice performing MMS on the head and neck, genitalia, hands, and feet region of Medicare Part B patients...
April 28, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28453582/-frailty-in-patients-admitted-to-hospital-with-acute-decompensated-heart-failure
#4
Felipe Díaz-Toro, Carolina Nazzal Nazal, Hugo Verdejo, VÍctor Rossel, Pablo Castro, Ricardo Larrea, Roberto Concepción, Luis Sepúlveda
BACKGROUND: Frailty is a geriatric syndrome characterized by a progressive impairment in the subjects’ ability to respond to environmental stress. Frailty is more commonly found in heart failure (HF) patients than in general population and it is an independent predictor of rehospitalization, emergency room visits and death. AIM: To estimate the prevalence of frailty in patients with decompensated HF admitted to four hospitals in Santiago, Chile. MATERIAL AND METHODS: Cross-sectional study...
February 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28448844/consequences-of-bioenergy-wood-extraction-for-landscape-level-availability-of-habitat-for-dead-wood-dependent-organisms
#5
Matthew Hiron, Mats Jonsell, Ariana Kubart, Göran Thor, Martin Schroeder, Anders Dahlberg, Victor Johansson, Thomas Ranius
Stumps and slash resulting from forest clearcutting is used as a source of low-net-carbon energy, but there are concerns about the consequences of biofuel extraction on biodiversity. Logging residues constitute potentially important habitats, since a large part of forest biodiversity is dependent on dead wood. Here we used snapshot field data from a managed forest landscape (25 000 ha) to predict landscape scale population changes of dead wood dependent organisms after extraction of stumps and slash after clearcutting...
April 24, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28448294/macular-ganglion-cell-and-retinal-nerve-fiber-layer-thickness-in-children-with-refractive-errors-an-optical-coherence-tomography-study
#6
Jody P Goh, Victor Koh, Yiong Huak Chan, Cheryl Ngo
PURPOSE: To study the distribution of macular ganglion cell-inner plexiform layer (GC-IPL) thickness and peripapillary retinal nerve fiber layer (RNFL) thickness in children with refractive errors. MATERIALS AND METHODS: Two hundred forty-three healthy eyes from 139 children with refractive error ranging from -10.00 to +5.00 D were recruited from the National University Hospital Eye Surgery outpatient clinic. After a comprehensive ocular examination, refraction, and axial length (AL) measurement (IOLMaster), macular GC-IPL and RNFL thickness values were obtained with a spectral domain Cirrus high definition optical coherence tomography system (Carl Zeiss Meditec Inc...
April 26, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28448162/joblessness-and-lost-earnings-after-ards-in-a-1-year-national-multicenter-study
#7
Biren B Kamdar, Minxuan Huang, Victor D Dinglas, Elizabeth Colantuoni, Till M von Wachter, Ramona O Hopkins, Dale M Needham
RATIONALE: Following acute respiratory distress syndrome (ARDS), joblessness is common, but poorly understood. OBJECTIVES: To evaluate the timing of return to work following ARDS, and associated risk factors, lost earnings, and changes in healthcare coverage Methods: Over 12-month longitudinal follow-up, ARDS survivors from 43 U.S. ARDSNet hospitals provided employment and healthcare coverage data via structured telephone interviews. Factors associated with the timing of return to work were assessed using Fine and Gray regression analysis...
April 27, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28447926/treatment-of-primary-central-nervous-system-posttransplant-lymphoproliferative-disorder-in-an-adult-kidney-transplant-recipient-a-case-report
#8
Mashya Abbassi, Roger Riley, Mark Malkin, Yang Tang, Bipin Rajendran, Victor Yazbeck
Posttransplant lymphoproliferative disorder is a serious complication of solid-organ transplant. Extranodal involvement is common; however, isolated involvement of the central nervous system is extremely rare and represents a particularly difficult therapeutic challenge with no current consensus on optimal treatment. Here, we describe a 70-year-old woman who developed Epstein-Barr virus-related primary central nervous system lymphoma 19 months after kidney transplant. Immunosuppression was reduced, and the patient was started on high-dose methotrexate, which was complicated by acute kidney injury and discontinued...
April 27, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28447861/screening-and-early-detection-of-oral-cancer-current-controversies
#9
Leonardo Victor Galvão-Moreira, Maria Carmen Fontoura Nogueira Da Cruz
Some evidence suggests that the early detection of oral cancer (OC) during surveillance might improve survival rates. In addition to this, interventions aimed at enhancing public awareness and knowledge of signs, symptoms and risk factors of OC are thought to decrease the burden of disease. Nevertheless, there is much controversy with regard to the cost-effectiveness of population-based strategies for OC screening. Here, we present and briefly discuss timely findings that have put under scrutiny the applicability of approaches targeted at the early identification of patients with OC...
April 27, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28447810/surviving-blind-decomposition-a-distributional-analysis-of-the-time-course-of-complex-word-recognition
#10
Daniel Schmidtke, Kazunaga Matsuki, Victor Kuperman
The current study addresses a discrepancy in the psycholinguistic literature about the chronology of information processing during the visual recognition of morphologically complex words. Form-then-meaning accounts of complex word recognition claim that morphemes are processed as units of form prior to any influence of their meanings, whereas form-and-meaning models posit that recognition of complex word forms involves the simultaneous access of morphological and semantic information. The study reported here addresses this theoretical discrepancy by applying a nonparametric distributional technique of survival analysis (Reingold & Sheridan, 2014) to 2 behavioral measures of complex word processing...
April 27, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28447703/conserved-effects-and-altered-trafficking-of-cetuximab-antibodies-conjugated-to-gold-nanoparticles-with-precise-control-of-their-number-and-orientation
#11
Lorena García-Fernández, Javier Garcia-Pardo, Olivia Tort, Ian Prior, Mathias Brust, Eudald Casals, Julia Lorenzo, Victor F Puntes
Gold nanoparticles (17 nm) have been functionalized with the antiangiogenic monoclonal antibody drug Cetuximab at a well-defined orientation and coverage density of antibodies. Functionalization has been carried out through site-directed chemistry via the selective oxidation of the carbohydrate moiety of antibodies linked to a thiolated hydrazide. A431 tumor cells have been exposed to these conjugates for in vitro evaluation of their effects. In addition to epithelial growth factor receptor blocking, trafficking and signaling alterations were also observed...
April 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28447488/observation-of-the-162-dy-164-dy-isotope-shift-for-the-0-%C3%A2-16%C3%A2-717-79%C3%A2-cm-1-optical-transition
#12
Luiz Felipe Nardin Barreta, Alessandro Rogério Victor, Patrícia Bueno, Jhonatha Ricardo Dos Santos, Carlos Alberto Barbosa da Silveira, José Wilson Neri, Jonas Jakutis Neto, Maria Esther Sbampato, Marcelo Geraldo Destro
In this work, we report a newly observed isotope shift between (162)Dy and (164)Dy isotopes for the 0 → 16 717.79 cm(-1) (598.003 nm) optical transition. We compared the newly observed results against two other lines (597.452 nm and 598.859 nm), which we measured in this work, and were already reported in the literature. The newly observed 162-164 Dy isotope shift, shows at least a 20% larger isotope shift than the isotope shifts for the other two lines investigated. The larger 162-164 isotope shift observed for the 598...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28447372/rapid-thermal-adaptation-in-photosymbionts-of-reef-building-corals
#13
Leela J Chakravarti, Victor H Beltran, Madeleine J H van Oppen
Climate warming is occurring at a rate not experienced by life on Earth for 10 s of millions of years, and it is unknown whether the coral-dinoflagellate (Symbiodinium spp.) symbiosis can evolve fast enough to ensure coral reef persistence. Coral thermal tolerance is partly dependent on the Symbiodinium hosted. Therefore, directed laboratory evolution in Symbiodinium has been proposed as a strategy to enhance coral holobiont thermal tolerance. Using a reciprocal transplant design, we show that the upper temperature tolerance and temperature tolerance range of Symbiodinium C1 increased after ~80 asexual generations (2...
April 27, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28446767/two-photon-autofluorescence-lifetime-imaging-of-human-skin-papillary-dermis-in-vivo-assessment-of-blood-capillaries-and-structural-proteins-localization
#14
Evgeny A Shirshin, Yury I Gurfinkel, Alexander V Priezzhev, Victor V Fadeev, Juergen Lademann, Maxim E Darvin
The papillary dermis of human skin is responsible for its biomechanical properties and for supply of epidermis with chemicals. Dermis is mainly composed of structural protein molecules, including collagen and elastin, and contains blood capillaries. Connective tissue diseases, as well as cardiovascular complications have manifestations on the molecular level in the papillary dermis (e.g. alteration of collagen I and III content) and in the capillary structure. In this paper we assessed the molecular structure of internal and external regions of skin capillaries using two-photon fluorescence lifetime imaging (FLIM) of endogenous compounds...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446731/the-antigenic-identity-of-human-class-i-mhc-phosphopeptides-is-critically-dependent-upon-phosphorylation-status
#15
Fiyaz Mohammed, Daniel H Stones, Angela L Zarling, Carrie R Willcox, Jeffrey Shabanowitz, Kara L Cummings, Donald F Hunt, Mark Cobbold, Victor H Engelhard, Benjamin E Willcox
Dysregulated post-translational modification provides a source of altered self-antigens that can stimulate immune responses in autoimmunity, inflammation, and cancer. In recent years, phosphorylated peptides have emerged as a group of tumour-associated antigens presented by MHC molecules and recognised by T cells, and represent promising candidates for cancer immunotherapy. However, the impact of phosphorylation on the antigenic identity of phosphopeptide epitopes is unclear. Here we examined this by determining structures of MHC-bound phosphopeptides bearing canonical position 4-phosphorylations in the presence and absence of their phosphate moiety, and examining phosphopeptide recognition by the T cell receptor (TCR)...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28446697/hydrodynamic-regime-determines-the-feeding-success-of-larval-fish-through-the-modulation-of-strike-kinematics
#16
Victor China, Liraz Levy, Alex Liberzon, Tal Elmaliach, Roi Holzman
Larval fishes experience extreme mortality rates, with 99% of a cohort perishing within days after starting to actively feed. While recent evidence suggests that hydrodynamic factors contribute to constraining larval feeding during early ontogeny, feeding is a complex process that involves numerous interacting behavioural and biomechanical components. How these components change throughout ontogeny and how they contribute to feeding remain unclear. Using 339 observations of larval feeding attempts, we quantified the effects of morphological and behavioural traits on feeding success of Sparus aurata larvae during early ontogeny...
April 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28446502/correspondence-of-folate-dietary-intake-and-biomarker-data
#17
Regan L Bailey, Victor L Fulgoni, Christine L Taylor, Christine M Pfeiffer, Sowmyanarayanan V Thuppal, George P McCabe, Elizabeth A Yetley
Background: Public health concerns with regard to both low and high folate status exist in the United States. Recent publications have questioned the utility of self-reported dietary intake data in research and monitoring.Objectives: The purpose of this analysis was to examine the relation between self-reported folate intakes and folate status biomarkers and to evaluate their usefulness for several types of applications.Design: We examined usual dietary intakes of folate by using the National Cancer Institute method to adjust two 24-h dietary recalls (including dietary supplements) for within-person variation and then compared these intakes with serum and red blood cell (RBC) folate among 4878 men and nonpregnant, nonlactating women aged ≥19 y in NHANES 2011-2012, a nationally representative, cross-sectional survey, with respect to consistency across prevalence estimates and rank order comparisons...
April 26, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28445997/using-metal-multilayer-dielectric-structure-to-increase-sensitivity-of-surface-plasmon-resonance-sensor
#18
Svitlana G Ilchenko, Ruslan A Lymarenko, Victor B Taranenko
We propose using a specially designed metal-multilayer-dielectric structure deposited on glass substrate to enhance the evanescent field and improve the sensitivity of the surface plasmon resonance sensor. The proposed structure supports both hybrid plasmonic transverse magnetic modes and conventional waveguide transverse electric modes. We show numerically the significant enhancement of the evanescent field and improvement of the sensitivity for the waveguide transverse electric mode.
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28445884/synergistic-action-of-presynaptic-muscarinic-acetylcholine-receptors-and-adenosine-receptors-in-developmental-axonal-competition-at-the-neuromuscular-junction
#19
Laura Nadal, Neus Garcia, Erica Hurtado, Anna Simó, Marta Tomàs, Maria Angel Lanuza, Victor Cilleros, Josep Maria Tomàs
The development of the nervous system involves the initial overproduction of synapses, which promotes connectivity. Hebbian competition between axons with different activities leads to the loss of roughly half of the overproduced elements and this refines connectivity. We used quantitative immunohistochemistry to investigate, in the postnatal day 7 (P7) to P9 neuromuscular junctions, the involvement of muscarinic receptors (muscarinic acetylcholine autoreceptors and the M1, M2, and M4 subtypes) and adenosine receptors (A1 and A2A subtypes) in the control of axonal elimination after the mouse levator auris longus muscle had been exposed to selective antagonists in vivo...
April 27, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28445758/bilayer-interactions-among-unsaturated-phospholipids-sterols-and-ceramide
#20
J Peter Slotte, Tomokazu Yasuda, Oskar Engberg, Md Abdullah Al Sazzad, Victor Hautala, Thomas K M Nyholm, Michio Murata
Using differential scanning calorimetry and lifetime analysis of trans-parinaric acid fluorescence, we have examined how cholesterol and cholesteryl phosphocholine (CholPC) affect gel-phase properties of palmitoyl ceramide (PCer) in 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) and 1,2-dioleyol-sn-glycero-3-phosphocholine (DOPC) bilayers. By (2)H NMR, we also measured fluid-phase interactions among these lipids using deuterated analogs of POPC, PCer, and cholesterol. The PCer-rich gel phase in POPC bilayers (9:1 molar ratio of POPC to PCer) was partially and similarly dissolved (and thermostability decreased) by both cholesterol and CholPC (sterol was present equimolar to PCer, or in fourfold excess)...
April 25, 2017: Biophysical Journal
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