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https://www.readbyqxmd.com/read/28545495/the-impact-of-human-adipose-tissue-derived-stem-cells-on-breast-cancer-cells-implications-for-cell-assisted-lipotransfers-in-breast-reconstruction
#1
Eva Koellensperger, Lilly-Claire Bonnert, Inka Zoernig, Frederik Marmé, Stefanie Sandmann, Günter Germann, Felix Gramley, Uwe Leimer
BACKGROUND: In this study we evaluated the interactions of human adipose tissue-derived stem cells (ADSCs) and different human breast cancer cell lines (BRCAs) with regard to the safety of cell-assisted lipotransfers for breast reconstruction and a thereby unintended co-localization of ADSCs and BRCAs. METHODS: ADSCs were co-cultured with five different human BRCAs (MCF-7, MDA-MB-231, SK-BR-3, ZR-75-30, and EVSA-T) and primary BRCAs from one patient in a transwell system, and cell-cell-interactions were analyzed by assessing doubling time, migration and invasion, angiogenesis, quantitative real-time polymerase chain reaction (PCR) of more than 300 tumor-associated genes, and multiplex protein assays of 20 chemokines and growth factors and eight matrix metalloproteinases (MMPs)...
May 25, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28543072/obstructive-sleep-apnea-in-the-irradiated-head-and-neck-cancer-patient
#2
Phillip Huyett, Seungwon Kim, Jonas T Johnson, Ryan J Soose
OBJECTIVES/HYPOTHESIS: To assess the prevalence of obstructive sleep apnea (OSA) in head and neck cancer (HNSCC) patients treated with radiation therapy. STUDY DESIGN: Prospective case series without comparison group. METHODS: Patients who underwent radiation therapy for oropharyngeal or laryngeal squamous cell carcinoma completed a 3-night home sleep test (HST), Epworth Sleepiness Scale, Functional Outcomes of Sleep Questionnaire, and University of Washington Quality of Life questionnaire...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28542096/modified-dual-energy-algorithm-for-calcified-plaque-removal-evaluation-in-carotid-computed-tomography-angiography-and-comparison-with-digital-subtraction-angiography
#3
Manoj Mannil, Jaychandran Ramachandran, Ilaria Vittoria de Martini, Susanne Wegener, Bernhard Schmidt, Thomas Flohr, Bernhard Krauss, Antonios Valavanis, Hatem Alkadhi, Sebastian Winklhofer
OBJECTIVES: Computed tomography angiography (CTA) is a valuable tool for the assessment of carotid artery stenosis. However, blooming artifacts from calcified plaques might result in an overestimation of the stenosis grade. The aim of this study was to investigate a new dual-energy computed tomography (DECT) technique with a modified 3-material decomposition algorithm for calcium removal in extracranial carotid artery stenosis. MATERIALS AND METHODS: In this retrospective, institutional review board-approved study, 30 calcified carotid plaques in 22 patients (15 men; mean age, 73 ± 10 years) with clinical suspicion of stroke were included...
May 24, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28542053/monopoly-airplane-lands-in-esophagus-leading-to-difficult-extraction-a-case-report-on-anesthesia-and-surgical-considerations
#4
Clyde T Matava, Gaston Echaniz, William Parkes, Blake C Papsin, Evan J Propst, Sharon L Cushing
A 2-year-old child presented with an airplane game piece from the board game Monopoly lodged in her esophagus. The airplane's wings, engines, and winglets acted like fish hooks that entered the esophageal mucosa easily but were difficult to extract. Chest radiographs were used to estimate the airplane wingspan dimensions, and a Foley catheter was used to dilate the esophagus to allow foreign body extraction via rigid esophagoscopy with optical forceps. Deliberate deep placement of the endotracheal tube facilitated surgical manipulation...
May 23, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28540635/wire-bias-in-coronary-measurement-using-optical-coherence-tomography
#5
Edward James Danson, Peter Hansen, Ravinay Bhindi
OCT is widely used for accurate coronary stent sizing; however, the impact of coronary tortuosity or guide wire weight on the accuracy of OCT in assessing coronary dimensions is not known. This study sought to determine whether guide wire properties impact on coronary diameter and length estimation by optical coherence tomography (OCT) in tortuous segments of coronary artery. OCT coronary diameters were determined in selected patients with tortuous arteries before and after removal of a supportive guide wire to obtain unobscured images...
May 24, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28537567/intraoperative-neuromonitoring-of-hypogastric-plexus-branches-during-surgery-for-rectal-cancer-preliminary-report
#6
Piotr Wałęga, Michał Romaniszyn, Maciej Wałęga, Jarosław Szymon Świrta, Wojciech Nowak
AIM: The aim of this study was to present our preliminary experience with intraoperative neuromonitoring during rectal resection. MATERIALS AND METHODS: We qualified 4 patients (2 women, 2 men; age 42 - 53 years) with rectal cancer for surgery with intraoperative neuromonitoring. In all patients, functional tests of the anorectal area were performed before surgery. Action potentials from the sphincter complex in response to nerve fiber stimulation were recorded with electrodes implanted before surgery...
April 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28537478/preparation-and-development-of-solid-phase-radioimmunoassay-system-for-determination-of-cortisol
#7
Kh M Sallam
The goal of the present work was oriented to prepare stable polystyrene coated tubes for direct radioimmunoassay (RIA) of human cortisol. Coating process was performed using rabbit polyclonal antisera specific for cortisol. The stability study showed that these tubes could be stored for up to one year at 4 ºC without any appreciable reduction in their binding. Labeling of cortisol was carried out using chloramin-T method and the (125)I-cortisol tracer was purified using HPLC column. Preparation of polyclonal antibodies (anti-cortisol) was carried out in host rabbit animals against cortisol-21-hemisuccinate:Bovine serum albumin conjugate...
May 24, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/28537338/predictive-factors-associated-with-oral-intake-ability-in-gastrostomy-patients-under-long-term-care
#8
E Nakayama, H Tohara, K Sakai, M Hayata, S Ohnishi, J Sekino, H Tsuzuki, T Hirai, A Hayashi, K Ueda
OBJECTIVE: To determine the physical indicators associated with oral intake status and swallowing function in gastrostomy patients under long-term care. DESIGN: Cross-sectional study. SETTING: Thirty-one hospitals that perform gastrostomy insertion, replacement and management. PARTICIPANTS: A total of 117 respondents from 31 hospitals in Japan underwent gastrostomy tube replacement and management between September 2012 and January 2014...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28536783/ph-influences-the-biocompatibility-of-methylene-blue-solutions
#9
David Jonathan Rodrigues Gusman, Luciano Tavares Angelo Cintra, Vivian Cristina Noronha Novaes, Henrique Rinaldi Matheus, Nathália Januario de Araujo, Juliano Milanezi de Almeida
OBJECTIVE: The aim of this study was to investigate the biocompatibility of methylene blue at different pH levels through the method of implantation in subcutaneous tissue. MATERIALS AND METHODS: Eighty-four sterilized polyethylene tubes were allocated in the subcutaneous tissue of 28 rats, each one receiving four tubes, set into four groups: group tube (G-T)-empty tube, fibrin group (G-F)-tube filled with fibrin sponge, group methylene blue pH 7 (G-MB/pH 7)-tube filled with fibrin sponge soaked by methylene blue (100 μg/ml) at pH 7...
May 23, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28536586/ancestral-qtl-alleles-from-wild-emmer-wheat-enhance-root-development-under-drought-in-modern-wheat
#10
Lianne Merchuk-Ovnat, Tzion Fahima, Jhonathan E Ephrath, Tamar Krugman, Yehoshua Saranga
A near-isogenic line (NIL-7A-B-2), introgressed with a quantitative trait locus (QTL) on chromosome 7AS from wild emmer wheat (Triticum turgidum ssp. dicoccoides) into the background of bread wheat (T. aestivum L.) cv. BarNir, was recently developed and studied in our lab. NIL-7A-B-2 exhibited better productivity and photosynthetic capacity than its recurrent parent across a range of environments. Here we tested the hypothesis that root-system modifications play a major role in NIL-7A-B-2's agronomical superiority...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28529414/comparison-of-efficacy-of-autologous-platelet-rich-fibrin-versus-saline-dressing-in-chronic-venous-leg-ulcers-a-randomised-controlled-trial
#11
Anirudh Somani, Reena Rai
BACKGROUND: Venous leg ulcer is a chronic condition, and various treatment modalities are available. Platelet-rich fibrin (PRF) is one of the newer modalities and it contains fibroblast growth factor (GF), vascular endothelial GF, angiopoitin and platelet-derived GF which enhances the wound healing. Hence, we conducted a randomised controlled trial to compare the efficacy of PRF versus saline dressing in chronic venous leg ulcers. AIM: This study aims to compare the efficacy of autologous PRF with saline dressing in patients with chronic venous leg ulcer and to compare the mean reduction in ulcer area at the end of 4 weeks...
January 2017: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/28527479/-biliary-anastomosis-in-liver-transplantation-with-or-without-t-tube
#12
Janine Carmelino, Susana Rodrigues, Hugo Pinto Marques, Vasco Ribeiro, Daniel Virella, Marta Alves, Américo Martins, Eduardo Barroso
INTRODUCTION: Biliary complications occur in 10-30% of liver transplants. The aim of this study was to compare the incidence of these complications in liver transplants when the T-tube was or was not used during the biliary anastomosis. MATERIAL AND METHODS: Analysis of 2 groups of patients undergoing liver transplantation between 2008 and 2012. Patients were divided considering if the T-tube was used (G1) or if it was not (G2). We sought explanatory models of the occurrence of biliary complications by logistic regression, including the variables identified in the univariate analysis...
February 27, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28518171/fish-flow-a-protocol-for-the-concurrent-detection-of-mrna-and-protein-in-single-cells-using-fluorescence-in-situ-hybridization-and-flow-cytometry
#13
Riccardo Arrigucci, Yuri Bushkin, Felix Radford, Karim Lakehal, Pooja Vir, Richard Pine, December Martin, Jeffrey Sugarman, Yanlin Zhao, George S Yap, Alfred A Lardizabal, Sanjay Tyagi, Maria Laura Gennaro
We describe a flow-cytometry-based protocol for intracellular mRNA measurements in nonadherent mammalian cells using fluorescence in situ hybridization (FISH) probes. The method, which we call FISH-Flow, allows for high-throughput multiparametric measurements of gene expression, a task that was not feasible with earlier, microscopy-based approaches. The FISH-Flow protocol involves cell fixation, permeabilization and hybridization with a set of fluorescently labeled oligonucleotide probes. In this protocol, surface and intracellular protein markers can also be stained with fluorescently labeled antibodies for simultaneous protein and mRNA measurement...
June 2017: Nature Protocols
https://www.readbyqxmd.com/read/28511313/-determination-of-thiocyanate-within-human-urine-by-ion-chromatography-method
#14
S Wang, X F Pan, W Zhao, H F Yan
Objective: To establish ion chromatography method to determine thiocyanate within urine of workers who were exposed to cyanide. Methods: After the workers work, used 50 ml centrifuge tube to collect the urine of workers about 20 ml.The urine were tested by centrifugation, dilution and filtration by C(18) column, thiocyanate was separated by AS(16) and mobile phase elution by KOH, detected by electrical circuitryconductivity detector, quantitative by the standard curve method. Results: The linear correlation coefficient of thiocyanate within the range of 0...
March 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28508562/can-serological-methods-help-distinguish-between-prophylactic-and-alloimmune-anti-d
#15
C Irving, M Crennan, T Vanniasinkam
OBJECTIVES: Enzyme indirect antiglobulin test (EIAT) and polyethylene glycol IAT (PIAT) were evaluated for their potential use as tests to distinguish between prophylactic and alloimmune anti-D in plasma by comparing with a tube variation of the standard low ionic strength solution-IAT (LISS-IAT). BACKGROUND: Laboratories performing the screening of RhD-negative pregnant women are required to provide clinicians with guidance as to the source of detected RhD antibodies...
May 15, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28507457/evaluating-the-performance-of-tg-43-protocol-in-esophageal-hdr-brachytherapy-viewpoint-to-trachea-inhomogeneity
#16
Seyed Mohsen Hosseini Daghigh, Hamid Reza Baghani, Seyed Mahmoud Reza Aghamiri, Seyed Rabi Mahdavi
AIM: The aim of this study is to evaluate the effect of air within trachea on dose calculations of esophageal HDR brachytherapy treatment planning. BACKGROUND: Dose calculations in esophageal HDR brachytherapy treatment planning systems are greatly based on TG-43 protocol which in all materials are considered to be water equivalent. MATERIALS AND METHODS: A cylindrical PMMA phantom with a tube in the center (neck equivalent phantom) accompanied by Flexitron HDR brachytherapy system was used in this study...
July 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28506475/a-novel-perfused-porcine-simulator-for-teaching-aortic-anastomosis-increases-resident-interest-in-vascular-surgery
#17
Peter B Bartline, Jennie O'Shea, James M McGreevy, Michelle T Mueller
OBJECTIVE: This report describes a novel simulator, euthanized pigs on cardiopulmonary bypass, and validates this simulator with a controlled trial in general surgery residents learning aortic anastomosis. We evaluated this novel simulator with the following hypothesis: our porcine perfused simulator is as good as or better than the standard rubber tubing, low-fidelity models used for vascular anastomotic training. METHODS: Euthanized pigs were placed on cardiopulmonary bypass, creating a perfused, ex vivo model on which to perform surgical procedures...
May 12, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28505050/unsedated-in-office-transgastrostomy-esophagoscopy-tge-to-monitor-therapy-in-pediatric-esophageal-disease
#18
Caroline H T Hall, Nathalie Nguyen, Glenn T Furuta, Jeremy Prager, Emily Deboer, Robin Deterding, Calies Menard-Katcher, Kelley E Capocelli, Robert E Kramer, Joel A Friedlander
Monitoring therapy in esophageal inflammatory disorders such as eosinophilic esophagitis (EoE) and reflux esophagitis often requires frequent endoscopic evaluation. We recently reported the effective use of unsedated in office Transnasal Esophagoscopy (TNE) that significantly decreased costs and anaesthetic exposure associated with pediatric esophagoscopy in EoE. Here we report a series of pediatric patients with esophagitis with gastrostomy tubes who underwent unsedated transgastrostomy esophagoscopy (TGE) in an office setting...
May 12, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28503976/self-extubation-laryngeal-injuries-at-an-academic-tertiary-care-center-a-retrospective-pilot-study
#19
Jason E Cohn, Andrew Touati, Mark Lentner, Mark Weitzel, Casey Fisher, Robert T Sataloff
OBJECTIVES: The purpose of this study is to identify laryngeal symptoms and injuries in self-extubated patients. METHODS: A retrospective chart review was conducted to identify symptoms and clinical findings associated with self-extubation. A novel scoring system was developed and used to quantify these findings. Symptom score included all symptoms that patients reported after self-extubation. Clinical score consisted of laryngeal findings visualized on nasopharyngeal laryngoscopy...
May 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28502428/non-proximate-mass-spectrometry-using-a-heated-1-m-long-ptfe-tube-and-an-air-tight-apci-ion-source
#20
Dilshadbek T Usmanov, Kenzo Hiraoka, Hiroshi Wada, Masaya Matsumura, Sachiyo Sanada-Morimura, Hiroshi Nonami, Shinichi Yamabe
Direct and rapid trace-level gas analysis is highly needed in various fields such as safety and security, quality control, food analysis, and forensic medicine. In many cases, the real samples are bulky and are not accessible to the space-limited ion source of the mass spectrometer. In order to circumvent this problem, we developed an airtight atmospheric-pressure chemical ionization (APCI) ion source equipped with a flexible 1-m-long, 2-mm-i.d. PTFE sniffing tube. The ambient air bearing sample gas was sucked into the heated PTFE tube (130 °C) and was transported to the air-tight ion source without using any extra pumping system or a Venturi device...
June 22, 2017: Analytica Chimica Acta
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