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https://www.readbyqxmd.com/read/28444064/assessment-of-carotid-intima-media-thickness-as-an-early-marker-of-vascular-damage-in-hypertensive-children
#1
Liz Andréa Villela Baroncini, Lucimary de Castro Sylvestre, Camila Varotto Baroncini, Roberto Pecoits
Background: The increased carotid intima-media thickness (CIMT) correlates with the presence of atherosclerosis in adults and describes vascular abnormalities in both hypertensive children and adolescents. Objective: To assess CIMT as an early marker of atherosclerosis and vascular damage in hypertensive children and adolescents compared with non-hypertensive controls and to evaluate the influence of gender, age, and body mass index (BMI) on CIMT on each group. Methods: Observational cohort study...
April 20, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28427669/rapid-ag-sn-ag-transient-liquid-phase-bonding-for-high-temperature-power-devices-packaging-by-the-assistance-of-ultrasound
#2
Huakai Shao, Aiping Wu, Yudian Bao, Yue Zhao, Lei Liu, Guisheng Zou
Rapid transient liquid phase (TLP) bonding process on Ag/Sn/Ag system is achieved in air by the assistance of ultrasonic, which has great potential to be applied to high-temperature power devices packaging. In this study, the influence of ultrasonic effect on the morphology and growth kinetics of Ag3Sn grains, and the joint microstructure, mechanical property and thermal reliability were systematically investigated. Experimental results indicated that the rapid consumption of the "dynamic" transient liquid phase was attributed to the accelerated dissolution of Ag substrate and the extrusion of liquid Sn, which were entirely induced by the complex sonochemical effects on the liquid/solid intermetallic compounds (IMCs) interface...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28426120/a-phase-ii-study-of-a-human-anti-pdgfr%C3%AE-monoclonal-antibody-olaratumab-imc-3g3-in-previously-treated-patients-with-metastatic-gastrointestinal-stromal-tumors
#3
A J Wagner, H Kindler, H Gelderblom, P Schöffski, S Bauer, P Hohenberger, H-G Kopp, J A Lopez-Martin, M Peeters, P Reichardt, A Qin, J Nippgen, R L Ilaria, P Rutkowski
Background: This study evaluated tumor response to olaratumab (an anti-PDGFRα monoclonal antibody) in previously treated patients with metastatic gastrointestinal stromal tumor (GIST) with or without PDGFRα mutations (cohorts 1 and 2, respectively). Patients and methods: Patients received olaratumab 20 mg/kg intravenously every 14 days until disease progression, death, or intolerable toxicity occurred. Outcome measures were 12-week tumor response, progression-free survival (PFS), overall survival (OS), and safety...
March 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28425854/rationale-design-synthesis-cytotoxicity-evaluation-and-molecular-docking-studies-of-1-3-4-oxadiazole-analogues
#4
Mohamed Jawed Ahsan, Arun Choupra, Rakesh Kumar Sharma, Surender Singh Jadav, Mohd Zaheen Hassan, Mohammed Afroz Bakht, Pannala Padmaja, Abdulmalik Bin Saleh Al-Tamimi, Mohammed H Geesi
We report herein, the synthesis of two new series of oxadiazole analogues, and their cytotoxicity evaluation. The oxadiazole analogues (5a-h and 12a-h) were structurally related to the heterocyclic (1,3,4- oxadiazole) linked aryl core of IMC-038525 (tubulin polymerization inhibitor), NSC 776715, and NSC 776716, with further modification by incorporating methylene linker. The title compounds (5a-h and 12a-h) were synthesized in good yields, and were characterized by IR, NMR, and mass spectral data. The cytotoxicity evaluation was carried out according to the National Cancer Institute (NCI US) Protocol against NCI-60 human cell lines derived from nine different panels...
April 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28421808/insatisfacci%C3%A3-n-con-la-imagen-corporal-en-ni%C3%A3-os-y-adolescentes-revisi%C3%A3-n-sistem%C3%A3-tica
#5
Paloma Jiménez Flores, Arturo Jiménez Cruz, Montserrat Bacardi Gascón
Introducción: la diferencia de la percepción entre la silueta percibida y la deseada se ha definido como insatisfacción con la imagen corporal (IMCO).Objetivo: evaluar los métodos utilizados para medir la IMCO y la frecuencia de la IMCO en niños y adolescentes.Metodología: se buscaron artículos registrados en las bases de datos de PubMed, EBSCOhost y Scielo, de estudios transversales en inglés y español, que valoraran la IMCO en niños y adolescentes publicados de abril de 2010 al mes de abril de 2015...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28421800/prevalencia-y-factores-asociados-al-consumo-de-bebidas-azucaradas-en-escolares-de-9-a-17-a%C3%A3-os-de-bogot%C3%A3-colombia-estudio-fuprecol
#6
Robinson Ramírez-Vélez, Juan Camilo Fuerte-Celis, Javier Martínez-Torres, Jorge Enrique Correa-Bautista
Objetivo: determinar la prevalencia y los factores asociados al consumo de bebidas azucaradas en una población escolar de Bogotá, Colombia, pertenecientes al Estudio FUPRECOL.Métodos: estudio descriptivo y transversal, realizado en 8.136 niños y adolescentes en edad escolar entre 9 y 17 años de Bogotá, Colombia. El peso, la estatura, el índice de masa corporal (IMC), la circunferencia de cintura y el porcentaje de grasa se recogieron como marcadores antropométricos y de composición corporal. El consumo de bebidas azucaradas (bebidas carbonatadas, jugos ultra-procesados y/o té), y los factores asociados (sexo, edad, obesidad abdominal, clasificación del IMC, grado de estudios de la madre/padre, y nivel nutricional por cuestionario "Krece plus" indicador de adherencia a la dieta mediterránea), se recogieron por encuesta estructurada...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28416485/targeting-autocrine-ccl5-ccr5-axis-reprograms-immunosuppressive-myeloid-cells-and-reinvigorates-antitumor-immunity
#7
Yi Ban, Junhua Mai, Xin Li, Marisa Mitchell-Flack, Tuo Zhang, Lixing Zhang, Lotfi Chouchane, Mauro Ferrari, Haifa Shen, Xiaojing Ma
The tumor-promoting potential of CCL5 has been proposed but remains poorly understood. We demonstrate here that an autocrine CCL5-CCR5 axis is a major regulator of immunosuppressive myeloid cells (IMC) of both monocytic and granulocytic lineages. The absence of the autocrine CCL5 abrogated the generation of granulocytic myeloid-derived suppressor cells and tumor-associated macrophages. In parallel, enhanced maturation of intratumoral neutrophils and macrophages occurred in spite of tumor-derived CCL5. The refractory nature of ccl5-null myeloid precursors to tumor-derived CCL5 was attributable to their persistent lack of membrane-bound CCR5...
April 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28405317/changes-in-gene-expression-of-neo-squamous-mucosa-after-endoscopic-treatment-for-dysplastic-barrett-s-esophagus-and-intramucosal-adenocarcinoma
#8
Angelique Levert-Mignon, Michael J Bourke, Sarah J Lord, Andrew C Taylor, Antony R Wettstein, Melanie Edwards, Natalia K Botelho, Rebecca Sonson, Chatura Jayasekera, Oliver M Fisher, Melissa L Thomas, Finlay Macrae, Damian J Hussey, David I Watson, Reginald V Lord
BACKGROUND: Endoscopic therapy, including by radiofrequency ablation (RFA) or endoscopic mucosal resection (EMR), is first line treatment for Barrett's esophagus (BE) with high-grade dysplasia (HGD) or intramucosal cancer (IMC) and may be appropriate for some patients with low-grade dysplasia (LGD). OBJECTIVE: The purpose of this study was to investigate the molecular effects of endotherapy. METHODS: mRNA expression of 16 genes significantly associated with different BE stages was measured in paired pre-treatment BE tissues and post-treatment neo-squamous biopsies from 36 patients treated by RFA (19 patients, 3 IMC, 4 HGD, 12 LGD) or EMR (17 patients, 4 IMC, 13 HGD)...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28380135/mcp-1-levels-are-associated-with-cardiac-remodeling-but-not-with-resistant-hypertension
#9
Alessandra Mileni Versuti Ritter, Ana Paula Cabral de Faria, Andrea Sabbatini, Nathalia Batista Corrêa, Veridiana Brunelli, Rodrigo Modolo, Heitor Moreno
Background: Hypertension is a chronic, low-grade inflammation process associated with the release of cytokines and development of target organ damage. Deregulated monocyte chemoattractant protein-1 (MCP-1) levels have been associated with high blood pressure and cardiovascular complications; however, the mechanisms involved are complex and not fully understood. Objective: This study aimed to compare the levels of MCP-1 in patients with resistant (RH) versus mild-to-moderate (HTN) hypertension and their association with the presence or absence of left ventricular hypertrophy (LVH) in all hypertensive subjects...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28364375/longitudinal-motion-assessment-of-the-carotid-artery-using-speckle-tracking-and-scale-invariant-feature-transform
#10
Salvatore Scaramuzzino, Claudio Carallo, Giampaolo Pileggi, Agostino Gnasso, Maria Francesca Spadea
The purpose of this work is to present and validate a novel approach for ultra-sound-based speckle tracking to measure the carotid artery longitudinal displacement, and to assess the apparent sliding between of Intima-Media Complex (IMC) and Adventitia (Ad) layers. This method utilizes feature detectors and descriptors to localize and track keypoints for local motion quantification. The procedure was tested and validated on an in silico dataset and on 18 heathy volunteers and 16 patients. Accuracy measured on in silico data gave a mean ± standard deviation of 23 ± 15 and 19 ± 18 μm for IMC and Ad respectively, and thus smaller than the pixel size (0...
March 31, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28363236/x-ray-study-of-structural-formation-and-thermomechanical-properties-of-silver-containing-polymer-nanocomposites
#11
Valeriy Demchenko, Sergii Riabov, Volodymyr Shtompel'
The structural organization and thermomechanical properties of nanocomposites prepared from interpolyelectrolyte-metal complex (IMC) involving anionic polyelectrolyte, pectin and AgNO3, and cationic polyelectrolyte, poly(4-vinylpyridine), have been investigated using the methods of wide- and small-angle X-ray scattering and thermomechanical analysis. It is established that chemical reduction of Ag(+) ions in the IMC by sodium borohydride results in formation of the nanocomposite based on the "pectin-poly(4-vinylpyridine)" interpolyelectrolyte complex (IPEC) and Ag(0) nanoparticles as well...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28363028/spectroscopic-investigation-of-the-formation-and-disruption-of-hydrogen-bonds-in-pharmaceutical-semicrystalline-dispersions
#12
Tu Van Duong, Gunter Reekmans, Akkaladevi Venkatesham, Arthur Van Aerschot, Peter Adriaensens, Jan Van Humbeeck, Guy Van den Mooter
We recently found that indomethacin (IMC) can effectively act as a powerful crystallization inhibitor for polyethylene glycol 6000 (PEG) despite the fact that the absence of interactions between the drug and the carrier in the solid state was reported in the literature. However, in the present study, we investigate the possibility of drug-carrier interactions in the liquid state to explain the polymer crystallization inhibition effect of IMC. We also aim to discover other potential PEG crystallization inhibitors...
April 11, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28350257/intrahepatic-mass-forming-cholangiocarcinoma-and-solitary-hypovascular-liver-metastases-is-the-differential-diagnosis-using-diffusion-weighted-mri-possible
#13
Jelena Djokić Kovač, Danijel Galun, Aleksandra Đurić-Stefanović, Gordana Lilić, Dragan Vasin, Ljubica Lazić, Dragan Mašulović, Đorđije Šaranović
Background Intrahepatic mass-forming cholangiocellular carcinoma (IMC) is the second most common primary liver tumor. The differentiation between IMC and solitary hypovascular liver metastases (SHLM) represents a diagnostic challenge due to many overlapping magnetic resonance imaging (MRI) features. Purpose To determine the value of diffusion-weighted imaging (DWI) in addition to conventional MRI for the distinction between intrahepatic mass-forming cholangiocarcinoma and solitary hypovascular liver metastases...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28344174/core-shell-poly-ethylene-oxide-eudragit-fibers-for-site-specific-release
#14
Dong Jia, Yanshan Gao, Gareth R Williams
Electrospinning was used to prepare core/shell fibers containing the active pharmaceutical ingredients indomethacin (IMC) or mebeverine hydrochloride (MB-HCl). The shell of the fibers was fabricated from the pH sensitive Eudragit S100 polymer, while the drug-loaded core was based on the mucoadhesive poly(ethylene oxide) (PEO). Three different drug loadings (from 9 to 23% (w/w) of the core mass) were prepared, and for MB-HCl two different molecular weights of PEO were explored. The resultant fibers generally comprise smooth cylinders, although in some cases defects such as surface particles or flattened or merged fibers were visible...
March 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28342132/endoscopic-mucosal-resection-versus-esophagectomy-for-intramucosal-adenocarcinoma-in-the-setting-of-barrett-s-esophagus
#15
Chao Li, Denise Tami Yamashita, Jeffrey David Hawel, Drew Bethune, Harry Henteleff, James Ellsmere
BACKGROUND: Esophagectomy has been the standard of care for patients with intramucosal adenocarcinoma (IMC) in the setting of Barrett's esophagus. It is, however, associated with significant post-operative morbidity and mortality. Endoscopic mucosal resection (EMR) offers a minimally invasive approach with lesser morbidity. This study investigates the transition from esophagectomy to EMR for IMC with respect to eradication rates, post-operative morbidity, and long-term survival. METHODS: Patients diagnosed with IMC from 2005 to 2013 were identified retrospectively...
March 24, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28338468/endoscopic-mucosal-resection-for-high-grade-dysplasia-and-intramucosal-carcinoma-a-canadian-experience
#16
Denise Tami Yamashita, Chao Li, Drew Bethune, Harry Henteleff, James Ellsmere
BACKGROUND: Endoscopic mucosal resection (EMR) is increasingly being used as a first-line treatment for Barrett esophagus (BE) with high-grade dysplasia (HGD) and intramucosal adenocarcinoma (IMC). We reviewed our experience with endoscopic treatment of BE with HGD and IMC at our institution with respect to eradication rates, complications and long-term recurrence. METHODS: We performed a single-centre retrospective review of all patients referred between October 2010 and August 2014 for EMR with dysplastic BE or IMC...
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28327655/thin-film-metallic-glass-an-effective-diffusion-barrier-for-se-doped-agsbte2-thermoelectric-modules
#17
Chia-Chi Yu, Hsin-Jay Wu, Ping-Yuan Deng, Matthias T Agne, G Jeffrey Snyder, Jinn P Chu
The thermal stability of joints in thermoelectric (TE) modules, which are degraded during interdiffusion between the TE material and the contacting metal, needs to be addressed in order to utilize TE technology for competitive, sustainable energy applications. Herein, we deposit a 200 nm-thick Zr-based thin-film metallic glass (TFMG), which acts as an effective diffusion barrier layer with low electrical contact resistivity, on a high-zT Se-doped AgSbTe2 substrate. The reaction couples structured with TFMG/TE are annealed at 673 K for 8-360 hours and analyzed by electron microscopy...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28326102/impacted-maxillary-canine-prevalence-and-its-association-with-other-dental-anomalies-in-a-mexican-population
#18
José Rubén Herrera-Atoche, María Del Rosario Agüayo-de-Pau, Mauricio Escoffié-Ramírez, Fernando Javier Aguilar-Ayala, Bertha Arelly Carrillo-Ávila, Marina Eduviges Rejón-Peraza
Objective. We quantified the prevalence of impacted maxillary canines (IMC) and their association with other dental anomalies (DAs). Materials and Methods. A retrospective study was done with 860 patients 12 to 39 years of age. The prevalence of IMC was calculated and compared by sex. The sample was divided into a control group and an impaction group, and the prevalence was calculated in both for a series of anomalies: agenesis, supernumerary teeth, shape anomalies of the upper laterals (microdontia, peg and barrel shape, and talon cusp), fusion, gemination, other impacted teeth, transposition, and amelogenesis imperfecta...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28325526/enhanced-imc-based-pid-controller-design-for-non-minimum-phase-nmp-integrating-processes-with-time-delays
#19
K Ghousiya Begum, A Seshagiri Rao, T K Radhakrishnan
Internal model control (IMC) with optimal H2 minimization framework is proposed in this paper for design of proportional-integral-derivative (PID) controllers. The controller design is addressed for integrating and double integrating time delay processes with right half plane (RHP) zeros. Blaschke product is used to derive the optimal controller. There is a single adjustable closed loop tuning parameter for controller design. Systematic guidelines are provided for selection of this tuning parameter based on maximum sensitivity...
March 18, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28317275/synthesis-of-%C3%AE-tubulin-occurs-within-chromatoid-body-of-round-spermatids
#20
Yuki Fujii, Hideaki Fujita, Sadaki Yokota
mRNAs for proteins required in elongated spermatids are considered to be transcribed at an early stage and stored in cytoplasm, presumably in chromatoid body (CB), one type of nuage component (a unique structure that appears and disappears during spermatogenesis), because transcription of genes does not occur at late stages. In elongated spermatids, a large amount of tubulin molecules is required to form microtubules of manchette and flagellum. To investigate the possible role of CB in translation of tubulin mRNA, we performed immunofluorescence and immunoelectron microscopic localization studies of α- and β-tubulin in rat spermatogenic cells...
March 20, 2017: Cytoskeleton
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