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https://www.readbyqxmd.com/read/28528289/platelet-hyperactivation-apoptosis-and-hypercoagulability-in-patients-with-acute-pulmonary-embolism
#1
Samin Rezania, Michael A Puskarich, Daniela N Petrusca, Evandro M Neto-Neves, Matthew T Rondina, Jeffrey A Kline
Changes in systemic redox balance can alter platelet activation and aggregation. Acute pulmonary embolism (PE) is a systematic inflammatory disease associated with mechanical shear stress, increased thrombin, catecholamines, serotonin and hemolysis, which cumulatively can hyperactivate platelets and accelerate their turnover. We tested the hypothesis that platelets from patients with moderately severe PE will show hyperstimulation and a pre-apoptotic phenotype associated with microparticles (MPs) in plasma...
May 13, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28512668/prevalence-of-cancer-in-adult-patients-with-atopic-dermatitis-a-nationwide-study
#2
Samine Ruff, Alexander Egeberg, Yuki M F Andersen, Gunnar Gislason, Lone Skov, Jacob P Thyssen
No abstract text is available yet for this article.
May 17, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28492663/a-versatile-microfluidic-device-for-high-throughput-production-of-microparticles-and-cell-microencapsulation
#3
Samin Akbari, Tohid Pirbodaghi, Roger D Kamm, Paula T Hammond
Biocompatible microparticles are valuable tools in biomedical research for applications such as drug delivery, cell transplantation therapy, and analytical assays. However, their translation into clinical research and the pharmaceutical industry has been slow due to the lack of techniques that can produce microparticles with controlled physicochemical properties at high throughput. We introduce a robust microfluidic platform for the production of relatively homogeneous microdroplets at a generation frequency of up to 3...
May 11, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28475980/comprehensive-comparison-of-two-protein-family-of-p-atpases-13a1-and-13a3-in-insects
#4
Samin Seddigh
The P-type ATPases (P-ATPases) are present in all living cells where they mediate ion transport across membranes on the expense of ATP hydrolysis. Different ions which are transported by these pumps are protons like calcium, sodium, potassium, and heavy metals such as manganese, iron, copper, and zinc. Maintenance of the proper gradients for essential ions across cellular membranes makes P-ATPases crucial for cell survival. In this study, characterization of two families of P-ATPases including P-ATPase 13A1 and P-ATPase 13A3 protein was compared in two different insect species from different orders...
April 15, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28473818/gibberellins-producing-endophytic-fungus-porostereum-spadiceum-agh786-rescues-growth-of-salt-affected-soybean
#5
Muhammad Hamayun, Anwar Hussain, Sumera A Khan, Ho-Youn Kim, Abdul L Khan, Muhammad Waqas, Muhammad Irshad, Amjad Iqbal, Gauhar Rehman, Samin Jan, In-Jung Lee
In the pursuit of sustainable agriculture through environment and human health friendly practices, we evaluated the potential of a novel gibberellins (GAs) producing basidiomycetous endophytic fungus Porostereum spadiceum AGH786, for alleviating salt stress and promoting health benefits of soybean. Soybean seedlings exposed to different levels of NaCl stress (70 and 140 mM) under greenhouse conditions, were inoculated with the AGH786 strain. Levels of phytohormones including GAs, JA and ABA, and isoflavones were compared in control and the inoculated seedlings to understand the mechanism through which the stress is alleviated...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28453968/association-of-altered-collagen-content-and-lysyl-oxidase-expression-in-degenerative-mitral-valve-disease
#6
K-Raman Purushothaman, Meerarani Purushothaman, Irene C Turnbull, David H Adams, Anelechi Anyanwu, Prakash Krishnan, Annapoorna Kini, Samin K Sharma, William N O'Connor, Pedro R Moreno
BACKGROUND: Collagen cross-linking is mediated by lysyl oxidase (LOX) enzyme in the extracellular matrix (ECM) of mitral valve leaflets. Alterations in collagen content and LOX protein expression in the ECM of degenerative mitral valve may enhance leaflet expansion and disease severity. METHODS: Twenty posterior degenerative mitral valve leaflets from patients with severe mitral regurgitation were obtained at surgery. Five normal posterior mitral valve leaflets procured during autopsy served as controls...
April 12, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28424744/oxidative-stress-in-retinal-diseases
#7
EDITORIAL
Yuhei Nishimura, Hideaki Hara, Mineo Kondo, Samin Hong, Takeshi Matsugi
No abstract text is available yet for this article.
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28412389/everolimus-eluting-bioresorbable-scaffolds-versus-metallic-everolimus-eluting-stents-meta-analysis-of-randomized-controlled-trials
#8
Sabato Sorrentino, Gennaro Giustino, Roxana Mehran, Anapoorna S Kini, Samin K Sharma, Michela Faggioni, Serdar Farhan, Birgit Vogel, Ciro Indolfi, George D Dangas
BACKGROUND: Recent evidence suggests that bioresorbable vascular scaffolds (BVS) are associated with an excess of thrombotic complications compared with metallic everolimus-eluting stents (EES). OBJECTIVE: We sought to investigate the comparative effectiveness of the FDA approved Absorb BVS versus metallic EES in patients undergoing percutaneous coronary intervention at longest available follow-up. METHODS: We searched MEDLINE, Scopus and web sources for randomized trials comparing the BVS and EES...
April 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28374119/sentinel-lymph-node-mapping-using-spect-ct-and-gamma-probe-in-endometrial-cancer-an-analysis-of-parameters-affecting-detection-rate
#9
Samine Sahbai, Florin-Andrei Taran, Annette Staebler, Diethelm Wallwiener, Christian la Fougère, Sara Brucker, Helmut Dittmann
PURPOSE: SPECT/CT after pericervical injection of technetium-99 m-nanocolloid was shown to be suitable for sentinel lymph node (SLN) mapping in endometrial cancer (EC). The aim of this study was to analyze factors affecting successful SLN detection by means of SPECT/CT such as imaging findings, patient characteristics and tumor biology in a large cohort of patients. METHODS: One hundred and forty-five consecutive patients suffering from EC who received pre-surgical SLN mapping at our institution between 2011 and 2016 were included in this analysis...
April 3, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28297870/dynamics-of-field-driven-population-inversion-in-a-confined-colloidal-mixture
#10
S Chung, S Samin, C Holm, J G Malherbe, S Amokrane
We study, using Langevin dynamics simulations, the change in composition of a binary colloidal mixture confined in a finite-length channel, induced by an external field. The field-induced transition from a near-bulk composition to an inverted population is studied as a function of time, for different field strengths and system parameters. For state points corresponding to reversible field cycles, the cyclic filling and emptying of the channel by the minority species are compared. Extrapolation of the physical relaxation times to the colloidal regime is performed through a series of simulations at increasing value of the damping parameter...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28279289/changes-in-percutaneous-coronary-interventions-deemed-inappropriate-by%C3%A2-appropriate-use-criteria
#11
Edward L Hannan, Zaza Samadashvili, Kimberly Cozzens, Foster Gesten, Alda Osinaga, Douglas G Fish, Constance L Donahue, Ronald J Bass, Gary Walford, Alice K Jacobs, Ferdinand J Venditti, Nicholas J Stamato, Peter B Berger, Samin Sharma, Spencer B King
BACKGROUND: Recent studies have demonstrated relatively high rates of percutaneous coronary interventions (PCIs) classified as "inappropriate." The New York State Department of Health shared rates with hospitals and announced the intention of withholding reimbursement pending demonstration of clinical rationale for Medicaid patients with inappropriate PCIs. OBJECTIVES: The objective was to examine changes over time in the number and rate of inappropriate PCIs. METHODS: Appropriate use criteria were applied to PCIs performed in New York in patients without acute coronary syndromes or previous coronary artery bypass graft surgery in periods before (2010 through 2011) and after (2012 through 2014) efforts were made to decrease inappropriateness rates...
March 14, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28259667/a-giant-coronary-artery-aneurysm-treated-with-a-new-generation-drug-eluting-stent
#12
Krysthel Engstrom, Asaad A Khan, Gina LaRocca, Annapoorna S Kini, Samin K Sharma
No abstract text is available yet for this article.
February 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28237136/risk-factors-for-visual-field-progression-of-normal-tension-glaucoma-in-patients-with-myopia
#13
Hyoung Won Bae, Sang Jin Seo, Sang Yeop Lee, Yun Ha Lee, Samin Hong, Gong Je Seong, Chan Yun Kim
OBJECTIVE: To identify risk factors for visual field progression of normal-tension glaucoma (NTG) in patients with myopia. DESIGN: Longitudinal, observational study. PARTICIPANTS: Fifty-one eyes of 51 NTG patients with myopia (less than -0.75D based on spherical equivalence) who had undergone visual field (VF) testing at least once per year for ≥6 years between November 2005 and December 2013. METHODS: Progression was defined using event-based guided progression analysis...
February 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28236457/impact-of-diabetes-mellitus-on-ischemic-events-in-men-and-women-after-percutaneous-coronary-intervention
#14
Serdar Farhan, Usman Baber, Birgit Vogel, Melissa Aquino, Jaya Chandrasekhar, Michela Faggioni, Gennaro Giustino, Alexandra Kautzky-Willer, Joesph Sweeny, Srushti Shah, Pooja Vijay, Nitin Barman, Pedro Moreno, Jason Kovacic, George Dangas, Annapoorna Kini, Roxana Mehran, Samin Sharma
Studies have shown worse outcome for women compared with men after percutaneous coronary intervention (PCI), especially in the presence of diabetes mellitus (DM). We aimed to investigate the risk of ischemic events after PCI in women versus men stratified by the presence or absence of DM. A total of 17,154 consecutive patients from a single-center PCI registry enrolled from January 2009 to December 2014 were categorized accordingly: female/non-DM, female/DM, male/non-DM, and male/DM. End points included death and myocardial infarction (MI) at 1 year...
April 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28195318/biallelic-loss-of-function-variants-in-dock3-cause-muscle-hypotonia-ataxia-and-intellectual-disability
#15
K L Helbig, C Mroske, D Moorthy, S A Sajan, M Velinov
DOCK3 encodes the dedicator of cytokinesis 3 protein, a member of the DOCK180 family of proteins that are characterized by guanine-nucleotide exchange factor activity. DOCK3 is expressed exclusively in the central nervous system and plays an important role in axonal outgrowth and cytoskeleton reorganization. Dock3 knockout mice exhibit motor deficiencies with abnormal ataxic gait and impaired learning. We report 2 siblings with biallelic loss-of-function variants in DOCK3. Diagnostic whole-exome sequencing (WES) and chromosomal microarray were performed on a proband with severe developmental disability, hypotonia, and ataxic gait...
February 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28191876/clinical-and-angiographic-predictors-of-hemodynamically-significant-angiographic-lesions-development-and-validation-of-a-risk-score-to-predict-positive-fractional-flow-reserve
#16
Nishtha Sareen, Usman Baber, Safwan Kezbor, Sonny Sayseng, Melissa Aquino, Roxana Mehran, Joseph Sweeny, Nitin Barman, Annapoorna Kini, Samin K Sharma
AIMS: Coronary revascularization based upon physiological evaluation of lesions improves clinical outcomes. Angiographic or visual stenosis assessment alone is insufficient in predicting hemodynamic stenosis severity by Fractional Flow reserve (FFR) and therefore cannot be used to guide revascularization, particularly in the lesion subset (<70%). Accordingly, we sought to identify independent determinants of angiographic intermediate lesions with hemodynamic significance. METHODS AND RESULTS: We assessed consecutive intermediate lesions for patients from January 2014-April 2015 at our institution...
February 14, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28183533/chronic-embolic-pulmonary-hypertension-caused-by-pulmonary-embolism-and-vascular-endothelial-growth-factor-inhibition
#17
Evandro M Neto-Neves, Mary B Brown, Maria V Zaretskaia, Samin Rezania, Adam G Goodwill, Brian P McCarthy, Scott A Persohn, Paul R Territo, Jeffrey A Kline
Our understanding of the pathophysiological basis of chronic thromboembolic pulmonary hypertension (CTEPH) will be accelerated by an animal model that replicates the phenotype of human CTEPH. Sprague-Dawley rats were administered a combination of a single dose each of plastic microspheres and vascular endothelial growth factor receptor antagonist in polystyrene microspheres (PE) + tyrosine kinase inhibitor SU5416 (SU) group. Shams received volume-matched saline; PE and SU groups received only microspheres or SU5416, respectively...
April 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28116966/functional-structural-and-phylogenetic-analysis-of-mitochondrial-cytochrome-b-cytb-in-insects
#18
Samin Seddigh, Maryam Darabi
Cytochrome b (Cytb, EC 1.10. 2.2) is the only cytochrome coded by mitochondrial DNA and involved in electron transport in the mitochondrial respiratory chain. In this study, characterization of cytb protein was identified on fifty-four insect protein sequences, from different orders. According to the conserved motifs obtained with MEME and MAST tools, eight motifs were common to all insects. The structural and functional analyses of 16 selected insects from different orders were performed with ProtParam, Compute PI, SOPMA, SignalP 4...
January 24, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28106456/interplay-between-adsorption-and-hydrodynamics-in-nanochannels-towards-tunable-membranes
#19
Sela Samin, René van Roij
We study how the adsorption of a near-critical binary mixture in a nanopore is modified by flow inside the pore. We identify three types of steady states upon variation of the pore Péclet number (Pe_{p}), which can be reversibly accessed by the application of an external pressure. Interestingly, for small Pe_{p} the pore acts as a weakly selective membrane which separates the mixture. For intermediate Pe_{p}, the flow effectively shifts the adsorption in the pore, thereby opening possibilities for enhanced and tunable solute transport through the pore...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28069589/analysis-of-the-fgfr2-c342y-mouse-model-shows-condensation-defects-due-to-misregulation-of-sox9-expression-in-prechondrocytic-mesenchyme
#20
Emma Peskett, Samin Kumar, William Baird, Janhvi Jaiswal, Ming Li, Priyanca Patel, Jonathan A Britto, Erwin Pauws
Syndromic craniosynostosis caused by mutations in FGFR2 is characterised by developmental pathology in both endochondral and membranous skeletogenesis. Detailed phenotypic characterisation of features in the membranous calvarium, the endochondral cranial base and other structures in the axial and appendicular skeleton has not been performed at embryonic stages. We investigated bone development in the Crouzon mouse model (Fgfr2(C342Y)) at pre- and post-ossification stages to improve understanding of the underlying pathogenesis...
February 15, 2017: Biology Open
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