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https://www.readbyqxmd.com/read/28807201/overexpression-of-thioredoxin1-enhances-functional-recovery-in-a-mouse-model-of-hind-limb-ischemia
#1
Inam A Shaikh, Muhammad Tipu Rishi, Mark Youssef, Vaithinathan Selvaraju, Mahesh Thirunavukkarasu, Gopi Ukani, Rajesh Lakshmanan, J Alexander Palesty, Nilanjana Maulik
BACKGROUND: There is keen interest in finding nonsurgical treatments for peripheral vascular disease (PVD). Previously, we demonstrated that selective activation of Thioredoxin1 (Trx1), a 12-kDa cytosolic protein, initiates redox-dependent signaling and promotes neovascularization after ischemic heart disease. Therefore, Trx1 might possess immense potential to not only treat murine hind limb ischemia (HLI) through effective angiogenesis but also provide PVD patients with nonsurgical therapy to enhance neovascularization and improve blood perfusion...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28773207/characterization-of-the-micro-abrasive-wear-in-coatings-of-tac-hfc-au-for-biomedical-implants
#2
Pablo Guzmán, Luis Yate, Mercy Sandoval, Jose Caballero, Willian Aperador
The object of this work was the deposition of a Ta-Hf-C thin film with a gold interlayer on stainless steel, via the physical vapor deposition (PVD) technique, in order to evaluate the properties of different systems subjected to micro-abrasive wear phenomena generated by alumina particles in Ringer's solution. The surface characterization was performed using a scanning electron microscope (SEM) and atomic force microscope (AFM). The crystallographic phases exhibited for each coating were obtained by X-ray diffraction (XRD)...
July 25, 2017: Materials
https://www.readbyqxmd.com/read/28763877/-efficacy-of-pvd-regimen-combined-with-imrt-for-early-stage-extranodal-nasal-nk-t-cell-lymphoma
#3
Y Zhang, Y H Huang, Y F Hu, Q L Liu, T Wu
Objective: To evaluate the efficacy of PVD chemo-regimen (Pegaspargase, vincristine and dexamethasone) combined with intensity-modulated radiotherapy (IMRT) for patients with early-stage extranodal nasal NK/T-cell lymphoma (ENKL). Methods: Clinical data of 52 patients with early-stage ENKL were collected during May 2010 and June 2015 in Department of Lymphoma, Cancer Hospital of Guizhou Medical University, and these patients firstly received a concurrent chemoradiotherapy of two-cycle of PVD and IMRT (gross tumor volume primary: 12...
July 11, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28752274/renal-artery-stenosis-new-findings-from-the-coral-trial
#4
REVIEW
Rajesh Gupta, Salem Assiri, Christopher J Cooper
PURPOSE OF REVIEW: The goal of this review is to summarize recent advances in the field and highlight important new insights from the Cardiovascular Outcomes in Renal Atherosclerotic Lesions (CORAL) trial regarding the optimal management of patients with renal artery stenosis (RAS). RECENT FINDINGS: The CORAL trial demonstrated that subjects with RAS had similar outcomes whether randomized to optimal medical therapy alone or optimal medical therapy plus renal artery stenting...
September 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28732590/cost-utility-of-evaluation-for-posterior-vitreous-detachment-and-prophylaxis-of-retinal-detachment
#5
Nicolas A Yannuzzi, Jonathan S Chang, Gary C Brown, William E Smiddy
PURPOSE: To evaluate the costs and cost-utility of examination for posterior vitreous detachment (PVD) and treatment of associated pathology, and of managing various other peripheral retinal disorders to prevent retinal detachment (RD). DESIGN: A decision analysis model of cost-utility. PARTICIPANTS: There were no participants. METHODS: Published retrospective data on the natural course of PVD, retinal tears, and lattice degeneration were used to quantitate the visual benefits of examination and treatment...
July 18, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28731900/micro-and-macro-circulatory-changes-during-sepsis-and-septic-shock-in-a-rat-model
#6
Tianfeng Hua, Xiaobo Wu, Wei Wang, Hao Li, Jennifer Bradley, Mary Ann Peberdy, Joseph P Ornato, Wanchun Tang
Microcirculation is the motor of sepsis. In the present study, we investigated whether microcirculatory alterations occur prior to changes of systemic hemodynamics in a rat model of cecum ligation and puncture (CLP)-induced sepsis. We further investigated renal microcirculatory changes during sepsis and compared those with buccal microcirculation. Twelve male Sprague-Dawley rats were randomized into a sham control group (n = 6) and a CLP group (n = 6). Perfused microvessel density (PVD) and microvascular flow index (MFI) were evaluated using sidestream dark field (SDF) video microscopy at baseline, 60, 120, 180, 240, 300, and 360 minutes following CLP...
July 20, 2017: Shock
https://www.readbyqxmd.com/read/28725290/the-discovery-of-the-flammer-syndrome-a-historical-and-personal-perspective
#7
REVIEW
Josef Flammer, Katarzyna Konieczka
This review describes the clinical and basic research that led to the description of Flammer syndrome. It is narrated from a personal perspective. This research was initiated by the observation of an increased long-term fluctuation of visual fields in a subgroup of glaucoma patients. As these patients had strikingly cold hands, peripheral blood flow was tested with a capillary microscopy, and vasospastic syndrome (VS) was diagnosed. Further studies on these patients revealed frequently weakened autoregulation of ocular blood flow and increased flow resistivity in retroocular vessels...
June 2017: EPMA Journal
https://www.readbyqxmd.com/read/28708815/incidence-of-posterior-vitreous-detachment-after-femtosecond-lasik-compared-with-microkeratome-lasik
#8
Moataz Hamed Osman, Noha Mahmoud Khalil, Mohamed-Sameh El-Agha
PURPOSE: To compare the incidence of posterior vitreous detachment (PVD) after femtosecond and microkeratome laser in situ keratomileusis (LASIK). SETTING: Rowad Correction Centre, Cairo, Egypt (a private center affiliated to Cairo University). DESIGN: Prospective, nonrandomized comparative unmasked study. METHODS: The study was conducted at a single laser center. Eligible patients chose between femtosecond and microkeratome LASIK after appropriate counseling...
September 2017: Cornea
https://www.readbyqxmd.com/read/28707602/ginkgo-biloba-extract-in-vascular-protection-molecular-mechanisms-and-clinical-applications
#9
Jinfan Tian, Yue Liu, Keji Chen
Background Leaves of Ginkgo biloba, a "living fossil," have been used as traditional herbal medicine for hundreds of years in China. Currently, its application in vascular protection is gaining much attention. Methods In this manuscript, preclinical studies were reviewed to discuss various mechanisms underlying the vascular protection by Ginkgo biloba extract (GBE). Additionally, we reviewed clinical studies to present the application of GBE in the ischaemic disease. Results GBE, a commonly used as a dietary supplement, has been shown to act as an antioxidant and free-radical scavenger, a membrane stabilizer, an inhibitor of the platelet-activating factor, a vasodilator, and a regulator of metabolism...
July 12, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28697925/variable-expressivity-of-a-founder-mutation-in-the-eif2ak4-gene-in-hereditary-pulmonary-veno-occlusive-disease-and-its-impact-on-survival
#10
Paula Navas Tejedor, Julián Palomino Doza, Jair Antonio Tenorio Castaño, Ana Belén Enguita Valls, José Julián Rodríguez Reguero, Amaya Martínez Meñaca, Ignacio Hernández González, Héctor Bueno Zamora, Pablo Daniel Lapunzina Badía, Pilar Escribano Subías
INTRODUCTION AND OBJECTIVES: Hereditary pulmonary veno-occlusive disease (PVOD) has been associated with biallelic mutations in EIF2AK4 with the recent discovery of a founder mutation in Iberian Romani patients with familial PVOD. The aims of this study were phenotypical characterization and survival analysis of Iberian Romani patients with familial PVOD carrying the founder p.Pro1115Leu mutation in EIF2AK4, according to their tolerance to pulmonary vasodilators (PVD). Familial genetic screening was conducted, as well as assessment of sociocultural determinants with a potential influence on disease course...
July 8, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28688714/restenosis-predictors-after-carotid-angioplasty-and-stenting-and-its-influence-on-procedure-durability-single-center-experience
#11
Ossama Y Mansour, Abdelrahman Ibrahim, Mostafa Talaat
BACKGROUND: This article reports our experience regarding in-stent restenosis in the carotid arteries with special focus was given to angiographic morphology and clinical predictors of in-stent restenosis. METHODS: Between July 2008 and August 2011, 245 carotid angioplasty and stenting procedures were performed in 243 patients (172 men and 71 women). Stenting for de novo stenoses was performed in 214 (87.3%) carotid arteries, and 31 (12.7%) vessels were treated because of postsurgical restenosis...
July 5, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28685112/growth-structure-and-stability-of-sputter-deposited-mos2-thin-films
#12
Reinhard Kaindl, Bernhard C Bayer, Roland Resel, Thomas Müller, Viera Skakalova, Gerlinde Habler, Rainer Abart, Alexey S Cherevan, Dominik Eder, Maxime Blatter, Fabian Fischer, Jannik C Meyer, Dmitry K Polyushkin, Wolfgang Waldhauser
Molybdenum disulphide (MoS2) thin films have received increasing interest as device-active layers in low-dimensional electronics and also as novel catalysts in electrochemical processes such as the hydrogen evolution reaction (HER) in electrochemical water splitting. For both types of applications, industrially scalable fabrication methods with good control over the MoS2 film properties are crucial. Here, we investigate scalable physical vapour deposition (PVD) of MoS2 films by magnetron sputtering. MoS2 films with thicknesses from ≈10 to ≈1000 nm were deposited on SiO2/Si and reticulated vitreous carbon (RVC) substrates...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28684537/pomalidomide-bortezomib-and-dexamethasone-pvd-for-patients-with-relapsed-lenalidomide-refractory-multiple-myeloma
#13
Jonas Paludo, Joseph R Mikhael, Betsy R LaPlant, Alese E Halvorson, Shaji Kumar, Morie A Gertz, Suzanne R Hayman, Francis K Buadi, Angela Dispenzieri, John A Lust, Prashant Kapoor, Nelson Leung, Stephen J Russell, David Dingli, Ronald S Go, Yi Lin, Wilson I Gonsalves, Rafael Fonseca, P Leif Bergsagel, Vivek Roy, Taimur Sher, Asher A Chanan-Khan, Sikander Ailawadhi, A Keith Stewart, Craig B Reeder, Paul G Richardson, S Vincent Rajkumar, Martha Q Lacy
This phase I/II trial evaluated the maximum tolerated doses (MTD), safety and efficacy of pomalidomide, bortezomib and dexamethasone (PVD) combination in patients with relapsed, lenalidomide refractory, MM. In the phase I, dose level 1 consisted of pomalidomide 4mg PO days 1-21, bortezomib 1.0 mg/m(2) IV or SQ days 1,8,15,22 and dexamethasone 40mg PO days 1,8,15,22 given every 28 days. Bortezomib was increased to 1.3 mg/m(2) for dose level 2 and adopted in the phase 2 expansion cohort. We describe the results of 50 patients...
July 6, 2017: Blood
https://www.readbyqxmd.com/read/28680562/addressing-the-challenges-of-phenotyping-pediatric-pulmonary-vascular-disease
#14
REVIEW
Kara N Goss, Allen D Everett, Peter M Mourani, Christopher D Baker, Steven H Abman
Pediatric pulmonary vascular disease (PVD) and pulmonary hypertension (PH) represent phenotypically and pathophysiologically diverse disease categories, contributing substantial morbidity and mortality to a complex array of pediatric conditions. Here, we review the multifactorial nature of pediatric PVD, with an emphasis on improved recognition, phenotyping, and endotyping strategies for pediatric PH. Novel tailored approaches to diagnosis and treatment in pediatric PVD, as well as the implications for long-term outcomes, are highlighted...
March 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28677894/metallic-conductive-nanowires-elaborated-by-pvd-metal-deposition-on-suspended-dna-bundles
#15
Christophe Brun, Pierre-Henri Elchinger, Guillaume Nonglaton, Cheikh Tidiane-Diagne, Raluca Tiron, Aurélie Thuaire, Didier Gasparutto, Xavier Baillin
Metallic conductive nanowires (NWs) with DNA bundle core are achieved, thanks to an original process relying on double-stranded DNA alignment and physical vapor deposition (PVD) metallization steps involving a silicon substrate. First, bundles of DNA are suspended with a repeatable process between 2 µm high parallel electrodes with separating gaps ranging from 800 nm to 2 µm. The process consists in the drop deposition of a DNA lambda-phage solution on the electrodes followed by a naturally evaporation step...
July 5, 2017: Small
https://www.readbyqxmd.com/read/28671764/the-evaluation-of-the-non-invasive-msct-based-indices-for-the-diagnosis-and-prognosis-prediction-of-liver-cirrhosis
#16
Ling-Mei Feng, Shu-Juan Lei, Xin Zeng, Pei-Qin Wang, Ru-Tan Chen, Jian Wang, Xia Sheng, Pei-Mei Shi, Zong-Li Yuan, Wei-Fen Xie
PURPOSE: It is necessary to develop feasible and reliable non-invasive methods to determine liver function and predict complications in patients with liver cirrhosis. The aim of this study was to determine the value of CT-based easily available parameters in evaluating the severity of cirrhosis and predicting complications in Chinese cirrhotic patients. METHODS: CT-based morphological indices were determined in 167 cirrhotic patients and 244 healthy volunteers. The correlation of morphological indices with the Child-Pugh score/grade and complication of cirrhosis was analysed by Spearman correlation analysis...
July 3, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28657897/a-retrospective-review-of-adverse-events-related-to-diabetic-foot-ulcers
#17
Latricia Allen, Gail Powell-Cope, Alfred Mbah, Tatjana Bulat, Eni Njoh
The risk of adverse events (AEs) such as infection and amputation related to diabetic foot ulcers (DFUs) has been studied, but less is known about rate of other AEs such as falls. As part of a quality improvement project, AEs in veterans with diabetes mellitus (DM) with and without a DFU were examined. Demographic data including ICD-9 codes, AEs, and comorbidities for all patients with a diagnosis of DM and/or DFU treated between 2009 and 2014 at the James A. Haley Veterans' Hospital, Tampa, FL, were reviewed retrospectively utilizing the Corporate Data Warehouse (CDW) database...
June 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28657093/investigation-of-the-shock-induced-chemical-reaction-sicr-in-ni-al-nanoparticle-mixtures
#18
Yongnan Xiong, Shifang Xiao, Huiqiu Deng, Wenjun Zhu, Wangyu Hu
Molecular dynamics (MD) simulations are used to investigate the shock-compression response of Ni + Al spherical nanoparticles arranged in a NaCl-like structure. The deformation and reaction characteristics are studied from the particle level to the atomic scale at various piston velocities. Shock-induced chemical reactions (SICRs) occur during non-equilibrium processes, accompanied by a sharp rise in temperature and rapid mixing of atoms. The preferentially deformed Al particles form a high-speed mass flow relative to the Ni at the shock front, which impinges on the Ni particles, and mixing of Ni and Al atoms occurs immediately at the interface...
July 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28631403/-pseudomonas-protegens-pf-5-favors-self-produced-siderophore-over-free-loading-in-interspecies-competition-for-iron
#19
D Joseph Sexton, Rochelle C Glover, Joyce E Loper, Martin Schuster
Many microorganisms compete for extracellular iron using strain-specific chelators known as siderophores. The ferric-siderophore complex limits local access to iron because import requires a suitable cognate receptor. Interestingly, many species carry receptors that enable "cross-feeding" on heterologous siderophores made by neighboring organisms, although little is known about how this ubiquitous behavior is regulated. Here, we investigated the soil bacterium Pseudomonas protegens Pf-5, a strain remarkable for its ability to use dozens of heterologous siderophores...
June 19, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28631237/structural-characterization-of-pyoverdines-produced-by-pseudomonas-putida-kt2440-and-pseudomonas-taiwanensis-vlb120
#20
Matthias Baune, Yulin Qi, Karen Scholz, Dietrich A Volmer, Heiko Hayen
The previously unknown sequences of several pyoverdines (PVD) produced by a biotechnologically-relevant bacterium, namely, Pseudomonas taiwanensis VLB120, were characterized by high performance liquid chromatography (HPLC)-high resolution mass spectrometry (HRMS). The same structural characterization scheme was checked before by analysis of Pseudomonas sp. putida KT2440 samples with known PVDs. A new sample preparation strategy based on solid-phase extraction was developed, requiring significantly reduced sample material as compared to existing methods...
June 19, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
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