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https://www.readbyqxmd.com/read/28102234/heart-failure-recombinant-neuregulin-for-hf-treatment
#1
Dario Ummarino
No abstract text is available yet for this article.
January 19, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28102233/arrhythmias-optogenetic-control-of-cardiac-rhythm
#2
Dario Ummarino
No abstract text is available yet for this article.
January 19, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28102231/cell-therapy-autologous-cardiac-stem-cells-for-congenital-hf
#3
Dario Ummarino
No abstract text is available yet for this article.
January 19, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28100652/correlation-between-discharge-timings-of-pairs-of-motor-units-reveals-the-presence-but-not-the-proportion-of-common-synaptic-input-to-motor-neurons
#4
Javier Rodriguez-Falces, Francesco Negro, Dario Farina
We investigated whether correlation measures derived from pairs of motor unit (MU) spike trains are reliable indicators of the degree of common synaptic input to motor neurons. Several 50-s isometric contractions of the biceps brachii muscle were performed at different target forces ranging from 10 to 30% of the maximal voluntary contraction (MVC) relying on force feedback. 48 pairs of MUs were examined at various force levels. Motor unit synchrony was assessed by cross-correlation analysis using three indices: the output correlation as the peak of the cross-histogram (ρ), the number of synchronous spikes per second (CIS), and per trigger (E)...
January 18, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28100277/stress-echo-2020-the-international-stress-echo-study-in-ischemic-and-non-ischemic-heart-disease
#5
Eugenio Picano, Quirino Ciampi, Rodolfo Citro, Antonello D'Andrea, Maria Chiara Scali, Lauro Cortigiani, Iacopo Olivotto, Fabio Mori, Maurizio Galderisi, Marco Fabio Costantino, Lorenza Pratali, Giovanni Di Salvo, Eduardo Bossone, Francesco Ferrara, Luna Gargani, Fausto Rigo, Nicola Gaibazzi, Giuseppe Limongelli, Giuseppe Pacileo, Maria Grazia Andreassi, Bruno Pinamonti, Laura Massa, Marco A R Torres, Marcelo H Miglioranza, Clarissa Borguezan Daros, José Luis de Castro E Silva Pretto, Branko Beleslin, Ana Djordjevic-Dikic, Albert Varga, Attila Palinkas, Gergely Agoston, Dario Gregori, Paolo Trambaiolo, Sergio Severino, Ayana Arystan, Marco Paterni, Clara Carpeggiani, Paolo Colonna
BACKGROUND: Stress echocardiography (SE) has an established role in evidence-based guidelines, but recently its breadth and variety of applications have extended well beyond coronary artery disease (CAD). We lack a prospective research study of SE applications, in and beyond CAD, also considering a variety of signs in addition to regional wall motion abnormalities. METHODS: In a prospective, multicenter, international, observational study design, > 100 certified high-volume SE labs (initially from Italy, Brazil, Hungary, and Serbia) will be networked with an organized system of clinical, laboratory and imaging data collection at the time of physical or pharmacological SE, with structured follow-up information...
January 18, 2017: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28100049/cell-free-translation-is-more-variable-than-transcription
#6
Fabio Chizzolini, Michele Forlin, Noël Yeh Martín, Giuliano Berloffa, Dario Cecchi, Sheref S Mansy
Although RNA synthesis can be reliably controlled with different T7 transcriptional promoters during cell-free gene expression with the PURE system, protein synthesis remains largely unaffected. To better control protein levels, a series of ribosome binding sites (RBS) was investigated. While RBS strength did strongly affect protein synthesis, the RBS sequence could explain less than half of the variability of the data. Protein expression was found to depend on other factors besides the strength of the RBS, including GC content...
January 19, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28099978/association-of-perinatal-risk-factors-with-autism-spectrum-disorder
#7
Darios Getahun, Michael J Fassett, Morgan R Peltier, Deborah A Wing, Anny H Xiang, Vicki Chiu, Steven J Jacobsen
Objective To examine the association between exposures to perinatal factors and autism spectrum disorders (ASD). Study Design A retrospective cohort study of ASD among children born in Kaiser Permanente Southern California hospitals between 1991 and 2009 (n = 594,638). Medical records were used to determine exposure to perinatal (antepartum and intrapartum) complications. ASD was diagnosed using DSM-IV criteria. Multivariable Cox regression was used to estimate hazard ratios (HRs). Result Children with ASD were more likely to be exposed to perinatal complications (HR = 1...
January 18, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28097474/igf-1r-regulates-the-extracellular-level-of-active-mmp-2-pathological-neovascularization-and-functionality-in-retinas-of-oir-mouse-model
#8
Valeria E Lorenc, Paula V Subirada Caldarone, María C Paz, Darío G Ferrer, José D Luna, Gustavo A Chiabrando, María C Sánchez
In ischemic proliferative diseases such as retinopathies, persistent hypoxia leads to the release of numerous neovascular factors that participate in the formation of abnormal vessels and eventually cause blindness. The upregulation and activation of metalloproteinases (MMP-2 and MMP-9) represent a final common pathway in this process. Although many regulators of the neovascular process have been identified, the complete role of the insulin-like growth factor 1 (IGF-1) and its receptor (IGF-1R) appears to be significantly more complex...
January 17, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28095674/the-century-of-biology-and-the-evolving-role-of-medicinal-chemists-in-neuroscience
#9
Dario Doller
Society expects that the wave of contemporary new discoveries in biological sciences will soon lead to novel treatments for human diseases, including many devastating brain disorders. Historically, medicinal chemists have contributed to drug discovery teams in ways that synergize with those from their partner sciences, and help transform new knowledge into the ultimate tangible asset: a new drug. The optimal balance of resources and the right strategy to minimize the risk of late clinical failure may differ for different therapeutic indications...
January 18, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28093593/self-assembled-4-1-2-diphenylbut-1-en-1-yl-aniline-based-nanoparticles-podophyllotoxin-and-aloin-as-building-blocks
#10
Gaia Fumagalli, Michael S Christodoulou, Benedetta Riva, Inigo Revuelta, Cristina Marucci, Veronica Collico, Davide Prosperi, Sergio Riva, Dario Perdicchia, Ivan Bassanini, Aida García-Argáez, Lisa Dalla Via, Daniele Passarella
The ability of 4-(1,2-diphenylbut-1-en-1-yl)aniline as a self-assembly inducer is reported. The conjugation of this moiety with aloin or podophyllotoxin resulted in spherical nanoparticles that were characterized by Dynamic Light Scattering (DLS), Transmission Electron Microscopy (TEM) and NanoSight technology. A preliminary biological evaluation on two cancer cell lines is reported.
January 17, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28092919/compensatory-water-effects-link-yearly-global-land-co2-sink-changes-to-temperature
#11
Martin Jung, Markus Reichstein, Christopher R Schwalm, Chris Huntingford, Stephen Sitch, Anders Ahlström, Almut Arneth, Gustau Camps-Valls, Philippe Ciais, Pierre Friedlingstein, Fabian Gans, Kazuhito Ichii, Atul K Jain, Etsushi Kato, Dario Papale, Ben Poulter, Botond Raduly, Christian Rödenbeck, Gianluca Tramontana, Nicolas Viovy, Ying-Ping Wang, Ulrich Weber, Sönke Zaehle, Ning Zeng
Large interannual variations in the measured growth rate of atmospheric carbon dioxide (CO2) originate primarily from fluctuations in carbon uptake by land ecosystems. It remains uncertain, however, to what extent temperature and water availability control the carbon balance of land ecosystems across spatial and temporal scales. Here we use empirical models based on eddy covariance data and process-based models to investigate the effect of changes in temperature and water availability on gross primary productivity (GPP), terrestrial ecosystem respiration (TER) and net ecosystem exchange (NEE) at local and global scales...
January 16, 2017: Nature
https://www.readbyqxmd.com/read/28092172/analysis-of-indium-tin-oxide-film-using-argon-fluroide-arf-laser-excited-atomic-fluorescence-of-ablated-plumes
#12
Sut Kam Ho, Dario Machado Garcia
A two-pulse laser-excited atomic fluorescence (LEAF) technique at 193 nm wavelength was applied to the analysis of indium tin oxide (ITO) layer on polyethylene terephthalate (PET) film. Fluorescence emissions from analytes were induced from plumes generated by first laser pulse. Using this approach, non-selective LEAF can be accomplished for simultaneous multi-element analysis and it overcomes the handicap of strict requirement for laser excitation wavelength. In this study, experimental conditions including laser fluences, times for gating and time delay between pulses were optimized to reveal high sensitivity with minimal sample destruction and penetration...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28089599/impact-of-oral-chlorhexidine-on-bloodstream-infection-in-critically-ill-patients-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#13
REVIEW
Luciano Silvestri, William I Weir, Dario Gregori, Nia Taylor, Durk F Zandstra, Joris J M van Saene, Hendrick K F van Saene
OBJECTIVES: Oropharyngeal overgrowth of microorganisms in the critically ill is a risk factor for lower respiratory tract infection and subsequent invasion of the bloodstream. Oral chlorhexidine has been used to prevent pneumonia, but its effect on bloodstream infection never has been assessed in meta-analyses. The authors explored the effect of oral chlorhexidine on the incidence of bloodstream infection, the causative microorganism, and on all-cause mortality in critically ill patients...
November 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28089477/bioimpedance-and-fluid-status-in-children-and-adolescents-treated-with-dialysis
#14
Gregorio P Milani, Jaap W Groothoff, Federica A Vianello, Emilio F Fossali, Fabio Paglialonga, Alberto Edefonti, Carlo Agostoni, Dario Consonni, Dewi van Harskamp, Johannes B van Goudoever, Henk Schierbeek, Michiel J S Oosterveld
BACKGROUND: Assessment of hydration status in patients with chronic kidney failure treated by dialysis is crucial for clinical management decisions. Dilution techniques are considered the gold standard for measurement of body fluid volumes, but they are unfit for day-to-day care. Multifrequency bioimpedance has been shown to be of help in clinical practice in adults and its use in children and adolescents has been advocated. We investigated whether application of multifrequency bioimpedance is appropriate for total-body water (TBW) and extracellular water (ECW) measurement in children and adolescents on dialysis therapy...
January 12, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28088302/the-cyp79a1-catalyzed-conversion-of-tyrosine-to-e-p-hydroxyphenylacetaldoxime-unravelled-using-an-improved-method-for-homology-modeling
#15
Dario Vazquez-Albacete, Marco Montefiori, Stefan Kol, Mohammed Saddik Motawia, Birger Lindberg Møller, Lars Olsen, Morten H H Nørholm
The vast diversity and membrane-bound nature of plant P450s makes it challenging to study the structural characteristics of this class of enzymes especially with respect to accurate intermolecular enzyme-substrate interactions. To address this problem we here apply a modified hybrid structure strategy for homology modeling of plant P450s. This allows for structural elucidation based on conserved motifs in the protein sequence and secondary structure predictions. We modeled the well-studied Sorghum bicolor cytochrome P450 CYP79A1 catalyzing the first step in the biosynthesis of the cyanogenic glucoside dhurrin...
January 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28079935/regional-heritability-mapping-and-genome-wide-association-identify-loci-for-complex-growth-wood-and-disease-resistance-traits-in-eucalyptus
#16
Rafael Tassinari Resende, Marcos Deon Vilela Resende, Fabyano Fonseca Silva, Camila Ferreira Azevedo, Elizabete Keiko Takahashi, Orzenil Bonfim Silva-Junior, Dario Grattapaglia
Although genome-wide association studies (GWAS) have provided valuable insights into the decoding of the relationships between sequence variation and complex phenotypes, they have explained little heritability. Regional heritability mapping (RHM) provides heritability estimates for genomic segments containing both common and rare allelic effects that individually contribute too little variance to be detected by GWAS. We carried out GWAS and RHM for seven growth, wood and disease resistance traits in a breeding population of 768 Eucalyptus hybrid trees using EuCHIP60K...
February 2017: New Phytologist
https://www.readbyqxmd.com/read/28079340/serum-tryptase-levels-in-melanoma-patients-case-control-study-and-review-of-the-literature
#17
Giovanni Paolino, Elisa Moliterni, Dario Didona, Michele Cardone, Teresa Lopez, Valentina Garelli, Antonio G Richetta, Ugo Bottoni, Carmen Cantisani, Alfredo Rossi, Stefano Calvieri
BACKGROUND: Serum tryptase results from the constant release of the enzyme from mast cells and serum tryptase levels are commonly considered to be related to the total number of mast cells. They are increased in several malignancies, as pancreatic carcinoma, angiosarcoma, hepatic carcinoma and proliferative and/or non- proliferative hematological disorders. Contrariwise, it has been reported that the number of tryptase+ and chymase+ mast cells was lower in deeply invasive melanoma compared to in-situ melanoma and dysplastic nevi...
January 12, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28078357/intralesional-treatment-of-metastatic-melanoma-a-review-of-therapeutic-options
#18
REVIEW
Benjamin Weide, Dario Neri, Giuliano Elia
Intralesional therapy of melanoma patients with locally advanced metastatic disease is attracting increasing interest, not least due to its ability to lead to both direct tumor cell killing and the stimulation of both a local and a systemic immune response. An obvious pre-requisite for this type of approach is the presence of accessible metastases that are amenable to direct injection with the therapeutic agent of interest. Patients who present with these characteristics belong to stages IIIB/C or IV of the disease...
January 11, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28078350/efficacy-and-safety-of-extended-thromboprophylaxis-for-medically-ill-patients-a-meta-analysis-of-randomised-controlled-trials
#19
Francesco Dentali, Nicola Mumoli, Domenico Prisco, Andrea Fontanella, Matteo Nicola Dario Di Minno
Compelling evidence suggests that the risk of pulmonary embolism (PE) and deep-vein thrombosis (DVT) persists after hospital discharge in acutely-ill medical patients. However, no studies consistently supported the routine use of extended-duration thromboprophylaxis (ET) in this setting. We performed a meta-analysis to assess efficacy and safety of ET in acutely-ill medical patients. Efficacy outcome was defined by the prevention of symptomatic DVT, PE, venous thromboembolism (VTE) and VTE-related mortality...
January 12, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28078067/%C3%AE-linolenic-acid-reduces-tnf-induced-apoptosis-in-c2c12-myoblasts-by-regulating-expression-of-apoptotic-proteins
#20
Felicia Carotenuto, Dario Coletti, Paolo Di Nardo, Laura Teodori
Impaired regeneration and consequent muscle wasting is a major feature of muscle degenerative diseases. Nutritional interventions such as adjuvant strategy for preventing these conditions are recently gaining increasing attention. Ingestion of n3-polyunsaturated fatty acids has been suggested as having a positive impact on muscle diseases. We recently demonstrated that a diet enriched with plant derived n3-fatty acid, α-linolenic acid (ALA), exerts potent beneficial effects in preserving skeletal muscle regeneration in models of muscle dystrophy...
September 15, 2016: European Journal of Translational Myology
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