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https://www.readbyqxmd.com/read/27913066/prophylactic-treatment-with-a-potent-corticosteroid-cream-ameliorates-radiodermatitis-independent-of-radiation-schedule-a-randomized-double-blinded-study
#1
Eva Ulff, Marianne Maroti, Jörgen Serup, Mats Nilsson, Ursula Falkmer
BACKGROUND AND PURPOSE: The study will test the hypothesis that preventive topical steroid treatment instituted from start of radiotherapy can ameliorate acute radiation dermatitis. Subgroups of increased risk of dermatitis are included. MATERIAL AND METHODS: A double blinded randomized trial in patients with breast cancer receiving adjuvant radiotherapy (RT) after surgery. In total, 202 patients were randomized to betamethasone-17-valerate cream or Essex® cream, a moisturizer...
November 29, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27911438/evolutionary-convergence-in-experimental-pseudomonas-populations
#2
Peter A Lind, Andrew D Farr, Paul B Rainey
Model microbial systems provide opportunity to understand the genetic bases of ecological traits, their evolution, regulation and fitness contributions. Experimental populations of Pseudomonas fluorescens rapidly diverge in spatially structured microcosms producing a range of surface-colonising forms. Despite divergent molecular routes, wrinkly spreader (WS) niche specialist types overproduce a cellulosic polymer allowing mat formation at the air-liquid interface and access to oxygen. Given the range of ways by which cells can form mats, such phenotypic parallelism is unexpected...
December 2, 2016: ISME Journal
https://www.readbyqxmd.com/read/27910738/cartilage-repair-in-the-degenerative-ageing-knee
#3
Mats Brittberg, Andreas H Gomoll, José A Canseco, Jack Far, Martin Lind, James Hui
Background and purpose - Cartilage damage can develop due to trauma, resulting in focal chondral or osteochondral defects, or as more diffuse loss of cartilage in a generalized organ disease such as osteoarthritis. A loss of cartilage function and quality is also seen with increasing age. There is a spectrum of diseases ranging from focal cartilage defects with healthy surrounding cartilage to focal lesions in degenerative cartilage, to multiple and diffuse lesions in osteoarthritic cartilage. At the recent Aarhus Regenerative Orthopaedics Symposium (AROS) 2015, regenerative challenges in an ageing population were discussed by clinicians and basic scientists...
December 2, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27909915/a-systematic-review-of-leptospirosis-on-dogs-pigs-and-horses-in-latin-america
#4
REVIEW
Priscila S Pinto, Hugo Libonati, Walter Lilenbaum
Leptospirosis is a worldwide zoonosis which can affect many species. Control programs need accurate diagnosis to be successful, and currently, diagnosis relies on serology. It presents three main issues: the sampling, the antigen panel, and the cutoff point. Herein, we propose a systematic review on leptospirosis among dogs, pigs, and horses in Latin America in order to improve the understanding of the seroepidemiology of leptospirosis in these species in the region as well as the temporal development of the research on this topic and, consequently, improve the chances of success on control programs...
December 1, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27909660/osteochondral-proximal-tibial-and-lateral-meniscal-allograft-transplant
#5
Guillem Gonzalez-Lomas, Andrew P Dold, Daniel J Kaplan, David J Fralinger, Laith Jazrawi
Knee pain in young, active patients with meniscus-deficient knees and articular cartilage damage can present a challenge to treatment. Meniscal allograft transplantation (MAT) has shown good clinical results as treatment for meniscus deficiency; however, worse outcomes have been observed in patients with significant chondral damage. The development of chondral restorative techniques such as osteochondral allograft transplantation (OCA) has expanded the population of patients who may benefit from MAT. We present a case of proximal tibial osteochondral and lateral meniscal allograft transplant...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27908315/-life-threatening-ketoacidosis-in-a-25-year-old-woman-treated-with-sodium-glucose-cotransporter-2-inhibitor
#6
Mats Jacob Hermansson Lindberg, Frans Brandt Kristensen, Alev Yildiz
We report a case of atypical ketoacidosis in a patient treated with a sodium-glucose cotransporter- (SGLT) 2 inhibitor. The 25-year-old woman, who one year earlier had been prescribed dapagliflozin for presumed Type 2 diabetes, came to the emergency department in a state of severe ketoacidosis, pH 6.85, and a plasma glucose level of 14.3 mmol/l. She received standard treatment and recovered. We discuss the increasing evidence for atypical ketoacidosis being a serious side effect of the SGLT2 inhibitors.
November 21, 2016: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27906224/analysis-of-sinusoidally-modulated-chirped-laser-pulses-by-temporally-encoded-spectral-shifting
#7
N H Matlis, A Maksimchuk, V Yanovsky, W P Leemans, M C Downer
We present an analytical formalism elucidating how information is stored in chirped optical probes by describing the effects of sinusoidal temporal modulations on the electric field. We show that the modulations produce spectral sidebands which can be interpreted as temporal sidebands due to the time-wavelength mapping, an effect we call temporally encoded spectral shifting (TESS). A derivation is presented for the case of chirped-pulse spectral interferometry showing how to recover both the amplitude and the periodicity of the modulation from a Fourier transform of the interferogram...
December 1, 2016: Optics Letters
https://www.readbyqxmd.com/read/27906047/propranolol-and-survival-from-breast-cancer-a-pooled-analysis-of-european-breast-cancer-cohorts
#8
Chris R Cardwell, Anton Pottegård, Evelien Vaes, Hans Garmo, Liam J Murray, Chris Brown, Pauline A J Vissers, Michael O'Rorke, Kala Visvanathan, Deirdre Cronin-Fenton, Harlinde De Schutter, Mats Lambe, Des G Powe, Myrthe P P van Herk-Sukel, Anna Gavin, Søren Friis, Linda Sharp, Kathleen Bennett
BACKGROUND: Preclinical studies have demonstrated that propranolol inhibits several pathways involved in breast cancer progression and metastasis. We investigated whether breast cancer patients who used propranolol, or other non-selective beta-blockers, had reduced breast cancer-specific or all-cause mortality in eight European cohorts. METHODS: Incident breast cancer patients were identified from eight cancer registries and compiled through the European Cancer Pharmacoepidemiology Network...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27905873/comparative-genomics-of-beauveria-bassiana-uncovering-signatures-of-virulence-against-mosquitoes
#9
Claudio A Valero-Jiménez, Luigi Faino, Daphne Spring In't Veld, Sandra Smit, Bas J Zwaan, Jan A L van Kan
BACKGROUND: Entomopathogenic fungi such as Beauveria bassiana are promising biological agents for control of malaria mosquitoes. Indeed, infection with B. bassiana reduces the lifespan of mosquitoes in the laboratory and in the field. Natural isolates of B. bassiana show up to 10-fold differences in virulence between the most and the least virulent isolate. In this study, we sequenced the genomes of five isolates representing the extremes of low/high virulence and three RNA libraries, and applied a genome comparison approach to uncover genetic mechanisms underpinning virulence...
December 1, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27905667/the-relationship-between-intelligence-quotient-and-aspects-of-everyday-functioning-and-participation-for-people-who-have-mild-and-borderline-intellectual-disabilities
#10
Patrik Arvidsson, Mats Granlund
BACKGROUND: This study explored the relationship between intelligence quotient (IQ) and aspects of everyday functioning/participation in individuals (age 16-40) who have a mild/borderline intellectual disability (IQ 55-85). METHOD: Correlations were examined between IQ and (i) self-rated (n = 72) ability, participation as performance (how often an activity is performed), important participation restriction (not/seldom performing an activity perceived as important) and general well-being and (ii) proxy-rated (n = 41) ability and participation as performance...
December 1, 2016: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/27902941/enhanced-thermal-stability-of-a-polymer-solar-cell-blend-induced-by-electron-beam-irradiation-in-the-transmission-electron-microscope
#11
Olof Bäcke, Camilla Lindqvist, Amaia Diaz de Zerio Mendaza, Stefan Gustafsson, Ergang Wang, Mats R Andersson, Christian Müller, Per Magnus Kristiansen, Eva Olsson
We show by in situ microscopy that the effects of electron beam irradiation during transmission electron microscopy can be used to lock microstructural features and enhance the structural thermal stability of a nanostructured polymer:fullerene blend. Polymer:fullerene bulk-heterojunction thin films show great promise for use as active layers in organic solar cells but their low thermal stability is a hindrance. Lack of thermal stability complicates manufacturing and influences the lifetime of devices. To investigate how electron irradiation affects the thermal stability of polymer:fullerene films, a model bulk-heterojunction film based on a thiophene-quinoxaline copolymer and a fullerene derivative was heat-treated in-situ in a transmission electron microscope...
November 21, 2016: Ultramicroscopy
https://www.readbyqxmd.com/read/27900930/availability-of-pulmonary-rehabilitation-in-primary-care-for-patients-with-copd-a-cross-sectional-study-in-sweden
#12
Mats Arne, Margareta Emtner, Karin Lisspers, Karin Wadell, Björn Ställberg
BACKGROUND: Pulmonary rehabilitation (PR) is an important, evidence-based component for the management of individuals with chronic obstructive pulmonary disease (COPD). In daily practice, the majority of COPD patients are treated in primary care. However, information about the availability of PR in primary care in Sweden is lacking. The aim was to investigate the availability of rehabilitation resources in primary care settings for patients with COPD in Sweden. METHODS: A cross-sectional descriptive design was applied, using web-based questionnaires sent to all primary care centres in four regions, comprising more than half of the 9...
2016: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27898386/mixture-model-clustering-of-pathological-gait-patterns
#13
Elham Dolatabadi, Avril Mansfield, Kara Patterson, Babak Taati, Alex Mihailidis
This study applies mixture-model clustering to spatiotemporal gait parameters in order to characterize the pathological gait pattern and to generate a composite measure indicative of overall gait performance. Gait data from sixty-eight adults with stroke (age: 61.513.6 years) and twenty healthy adults (age: 28.87.1 years) were used in this study. Participants performed 3 passes across a GAITRite mat at different time points following stroke (poststroke adults only). Mixture-model clustering grouped participants' gait patterns based on their spatiotemporal gait features including symmetry, speed, and variability...
November 24, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/27895781/9-aaa-inhibits-growth-and-induces-apoptosis-in-human-melanoma-a375-and-rat-prostate-adenocarcinoma-at-2-and-mat-lylu-cell-lines-but-does-not-affect-the-growth-and-viability-of-normal-fibroblasts
#14
Włodzimierz Korohoda, Anna Hapek, Monika Pietrzak, Damian Ryszawy, Zbigniew Madeja
The present study found that, similarly to 5-fluorouracil, low concentrations (1-10 µM) of 9-aminoacridine (9-AAA) inhibited the growth of the two rat prostate cancer AT-2 and Mat-LyLu cell lines and the human melanoma A375 cell line. However, at the same concentrations, 9-AAA had no effect on the growth and apoptosis of normal human skin fibroblasts (HSFs). The differences between the cellular responses of the AT-2 and Mat-LyLu cell lines, which differ in malignancy, were found to be relatively small compared with the differences between normal HSFs and the cancer cell lines...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895732/effect-of-matrine-combined-with-cisplatin-on-the-expression-of-xiap-in-human-rhabdomyosarcoma-rd-cells
#15
Li Li, Tianyang Xue, Wei Xu, Bin Zhou
The combined effects of matrine (Mat) and cisplatin on the survival and apoptosis of rhabdomyosarcoma (RMS) RD cells, as well as the possible mechanism of the synergistic effect of Mat and cisplatin were investigated in the present study. RMS RD cells were divided and treated as follows: control group, 5 mg/l cisplatin group, Mat groups (0.5, 1.0 and 1.5 g/l), and Mat (0.5, 1.0 and 1.5 g/l) combined with 5 mg/l cisplatin groups. An MTT assay and flow cytometry were applied to detect the survival and apoptotic rates, respectively, while RT-PCR was applied to detect the expression levels of X-linked inhibitor of apoptosis protein (XIAP) mRNA in the RD cells of each group...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895626/a-proposal-for-formation-of-archaean-stromatolites-before-the-advent-of-oxygenic-photosynthesis
#16
John F Allen
Stromatolites are solid, laminar structures of biological origin. Living examples are sparsely distributed and formed by cyanobacteria, which are oxygenic phototrophs. However, stromatolites were abundant between 3.4 and 2.4 Gyr, prior to the advent of cyanobacteria and oxygenic photosynthesis. Here I propose that many Archaean stromatolites were seeded at points of efflux of hydrogen sulfide from hydrothermal fields into shallow water, while their laminar composition arose from alternating modes of strictly anoxygenic photosynthetic metabolism...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27893475/leg-stiffness-in-female-soccer-players-inter-session-reliability-and-the-fatiguing-effects-of-soccer-specific-exercise
#17
Mark De Ste Croix, Jonathan Hughes, Rhodri S Lloyd, Jon L Oliver, Paul Read
Low levels of leg stiffness and reduced leg stiffness when fatigue is present compromise physical performance and increase injury risk. The purpose of this study was to (a) determine the reliability of leg stiffness measures obtained from contact mat data and (b) explore age-related differences in leg stiffness following exposure to a soccer-specific fatigue protocol in young female soccer players. 37 uninjured female youth soccer players divided into 3 sub-groups based on chronological age (U13, U15 and U17 year olds) volunteered to participate in the study...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27893440/a-3d-reconstruction-algorithm-for-magneto-acoustic-tomography-with-magnetic-induction-based-on-ultrasound-transducer-characteristics
#18
Ren Ma, Xiaoqing Zhou, Shunqi Zhang, Tao Yin, Zhipeng Liu
In this study we present a three-dimensional (3D) reconstruction algorithm for magneto-acoustic tomography with magnetic induction (MAT-MI) based on the characteristics of the ultrasound transducer. The algorithm is investigated to solve the blur problem of the MAT-MI acoustic source image, which is caused by the ultrasound transducer and the scanning geometry. First, we established a transducer model matrix using measured data from the real transducer. With reference to the S-L model used in the computed tomography algorithm, a 3D phantom model of electrical conductivity is set up...
December 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27891230/development-of-a-population-pharmacokinetic-model-of-prucalopride-in-children-with-functional-constipation
#19
Erno van Schaick, Marc A Benninga, Amy Levine, Mats Magnusson, Steven Troy
A recent phase 3 trial of prucalopride in children with functional constipation (SPD555-303 ClinicalTrials.gov Identifier: NCT01330381) reported negative efficacy results. Here, we developed a population pharmacokinetic (PK) model of prucalopride in children to assess prucalopride exposure in SPD555-303. An initial population PK model in children was developed based on sampled single-dose data from a phase 1 study (PRU-USA-12). This model was subsequently updated with sampled data from SPD555-303 and used to simulate plasma concentration-time profiles for children aged 6 months to 18 years who were treated once daily with prucalopride 0...
August 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/27891174/combination-of-cisplatin-and-bromelain-exerts-synergistic-cytotoxic-effects-against-breast-cancer-cell-line-mda-mb-231-in-vitro
#20
Ahmad Zaim Mat Pauzi, Swee Keong Yeap, Nadiah Abu, Kian Lam Lim, Abdul Rahman Omar, Suraini Abdul Aziz, Adam Leow Thean Chow, Tamilselvan Subramani, Soon Guan Tan, Noorjahan Banu Alitheen
BACKGROUND: Bromelain, which is a cysteine endopeptidase commonly found in pineapple stems, has been investigated as a potential anti-cancer agent for the treatment of breast cancer. However, information pertaining to the effects of combining bromelain with existing chemotherapeutic drugs remains scarce. This study aimed to investigate the possible synergistic cytotoxic effects of using bromelain in combination with cisplatin on MDA-MB-231 human breast cancer cells. METHOD: MDA-MB-231 cells were treated with different concentrations (0...
2016: Chinese Medicine
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