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https://www.readbyqxmd.com/read/29341932/synthetic-extracellular-matrix-mimic-hydrogel-improves-efficacy-of-mesenchymal-stromal-cell-therapy-for-ischemic-cardiomyopathy
#1
Maria Chiara Ciuffreda, Giuseppe Malpasso, Cindy Chokoza, Deon Bezuidenhout, Kyle P Goetsch, Manuela Mura, Federica Pisano, Neil H Davies, Massimiliano Gnecchi
BACKGROUND: Mesenchymal stromal cells (MSC) repair infarcted hearts mainly through paracrine mechanisms. Low cell engraftment limits the release of soluble paracrine factors (SF) over time and, consequently, MSC efficacy. We tested whether a synthetic extracellular matrix mimic, a hydrogel containing heparin (H-HG), could ameliorate MSC engraftment and binding/release of SF, thus improving MSC therapy efficacy. METHODS AND RESULTS: In vitro, rat bone-marrow MSC (rBM-MSC) were seeded and grown into H-HG...
January 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29311759/comparison-of-a-microsphere-based-platform-with-a-multiplex-flow-cytometric-assay-for-determination-of-circulating-cytokines-in-the-mouse
#2
Alain Stricker-Krongrad, Catherine Shoemake, Miao Zhong, Jason Liu, Guy Bouchard
Background: Measuring expression profiles of inflammatory biomarkers is important in monitoring the polarization of immune responses; therefore, results should be independent of quantitation methods if they are to be accepted as validated clinical pathology biomarkers. To evaluate effects of differing quantitation methods, the seven major circulating Th1/Th2/Th17 cytokines interleukin 2 (IL-2), interferon γ (IFN-γ), tumor necrosis factor α (TNF-α), IL-4, IL-6, IL-10 and IL-17A were quantified in plasma of lipopolysaccharide (LPS)-treated mice with two different multiplex platforms...
2018: BMC Clinical Pathology
https://www.readbyqxmd.com/read/29289703/enhancing-interpretability-of-automatically-extracted-machine-learning-features-application-to-a-rbm-random-forest-system-on-brain-lesion-segmentation
#3
Sérgio Pereira, Raphael Meier, Richard McKinley, Roland Wiest, Victor Alves, Carlos A Silva, Mauricio Reyes
Machine learning systems are achieving better performances at the cost of becoming increasingly complex. However, because of that, they become less interpretable, which may cause some distrust by the end-user of the system. This is especially important as these systems are pervasively being introduced to critical domains, such as the medical field. Representation Learning techniques are general methods for automatic feature computation. Nevertheless, these techniques are regarded as uninterpretable "black boxes"...
December 20, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/29274279/rbm10-harmful-or-helpful-many-factors-to-consider
#4
Julie J Loiselle, Leslie C Sutherland
RBM10 is an RNA binding motif (RBM) protein expressed in most, if not all, human and animal cells. Interest in RBM10 is rapidly increasing and its clinical importance is highlighted by its identification as the causative agent of TARP syndrome, a developmental condition that significantly impacts affected children. RBM10's cellular functions are beginning to be explored, with initial studies demonstrating a tumour suppressor role. Very recently, however, contradictory results have emerged, suggesting a tumour promoter role for RBM10...
December 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29258676/a-tumor-necrosis-factor-%C3%AE-and-hypoxia-induced-secretome-therapy-for-myocardial-repair
#5
Kaviyanka Selvasandran, Georges Makhoul, Prashant K Jaiswal, Rishi Jurakhan, Li Li, Khalid Ridwan, Renzo Cecere
BACKGROUND: Poor viability and retention of transplanted bone marrow mesenchymal stem cells (BM-MSC) remains an obstacle in promoting healing after myocardial infarction (MI). This study aimed to understand the migratory, angiogenic, and cardioprotective effects induced by tumor necrosis factor (TNF)-α and hypoxia through rat BM-MSC (rBM-MSC) paracrine secretions, collectively referred to as secretome, after MI. METHODS: Secretome from rBM-MSC cultures treated with various combinations of H9c2 cardiomyoblast-conditioned medium, TNF-α, and hypoxia was initially collected...
December 16, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29249922/rice-bran-mineral-extract-increases-the-expression-of-anagen-related-molecules-in-human-dermal-papilla-through-wnt-catenin-pathway
#6
Yu-Mi Kim, Soon-Joung Kwon, Hyun-Joon Jang, Young-Kwon Seo
The objective of this study is to evaluate of rice bran mineral extract (RBM) increases the expression of anagen-related molecules in human dermal papilla (DOCs). Four treatment groups were established to evaluate the efficacy of RBM, including a negative control, positive control (ascorbic acid), RBM and ortho-silicic acid (Si(OH)4) (OSA) group. Three days after the DPCs were administered the various treatments, western blot analysis showed that type I collagen expression was increased 2.5-fold in the OSA group and 4-fold in the RBM group, and ALP expression was increased 1...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/29240098/reduced-basis-boundary-element-method-for-fast-electromagnetic-field-computation
#7
Yating Shi, Xiuguo Chen, Yinyin Tan, Hao Jiang, Shiyuan Liu
In this work, we combine conventional boundary element method (BEM) with the reduced-basis method (RBM) and propose a reduced-basis boundary element method (RB-BEM) to realize efficient modeling for parameterized electromagnetic scattering problems of dielectric scatterers. The RB-BEM allows for splitting the modeling process into a parameter-independent offline part and parameter-dependent online part, and replacing the high-dimensional original model obtained by conventional BEM with a low-dimensional reduced-basis model to improve computational efficiency of the online part...
December 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29234748/early-loading-of-maxillary-titanium-implants-with-a-nanostructured-calcium-incorporated-surface-xpeed-5-year-results-from-a-multicentre-randomised-controlled-trial
#8
Giorgio Gastaldi, Maria Gabriella Grusovin, Pietro Felice, Carlo Barausse, Daniela Rita Ippolito, Marco Esposito
PURPOSE: To evaluate clinical safety and effectiveness of a novel calcium-incorporated titanium implant (Xpeed, MegaGen Implant Co. Limited, Gyeongbuk, South Korea). MATERIALS AND METHODS: In total, 60 patients were randomised to receive one to six titanium implants in the maxilla with either calcium-incorporated (Xpeed) or control resorbable blasted media (RBM) surfaces, according to a parallel group design at two centres. Implants were submerged and exposed at three different endpoints in equal groups of 20 patients at 12, 10 and 8 weeks, respectively...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/29189771/chemical-synthesis-of-membrane-proteins-by-the-removable-backbone-modification-method
#9
Shan Tang, Chao Zuo, Dong-Liang Huang, Xiao-Ying Cai, Long-Hua Zhang, Chang-Lin Tian, Ji-Shen Zheng, Lei Liu
Chemical synthesis can produce membrane proteins bearing specifically designed modifications (e.g., phosphorylation, isotope labeling) that are difficult to obtain through recombinant protein expression approaches. The resulting homogeneously modified synthetic membrane proteins are valuable tools for many advanced biochemical and biophysical studies. This protocol describes the chemical synthesis of membrane proteins by condensation of transmembrane peptide segments through native chemical ligation. To avoid common problems encountered due to the poor solubility of transmembrane peptides in almost any solvent, we describe an effective procedure for the chemical synthesis of membrane proteins through the removable-backbone modification (RBM) strategy...
December 2017: Nature Protocols
https://www.readbyqxmd.com/read/29181828/influence-of-inhaled-corticosteroids-on-bronchial-inflammation-and-pulmonary-function-in-chronic-obstructive-pulmonary-disease-with-moderate-obstruction
#10
Iza Toczyska, Ewa Zwolińska, Andrzej Chcialowski
Inflammation in the bronchial respiratory tract and lung parenchyma underlies the pathogenesis of chronic obstructive pulmonary disease (COPD). It consists of effector cell infiltration, changes in reticular basement membrane (RBM) thickness, and the content of inflammatory mediators. The aim of this study was to assess the influence of inhaled corticosteroids (ICS) on the number of inflammatory cells and RBM thickness in bronchial biopsies, and pulmonary function in patients with moderate COPD. Twenty four patients with newly diagnosed COPD were included into the study...
November 28, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29156680/vemurafenib-resistance-via-de-novo-rbm-genes-mutations-and-chromosome-5-aberrations-is-overcome-by-combined-therapy-with-palbociclib-in-thyroid-carcinoma-with-braf-v600e
#11
Zeus A Antonello, Nancy Hsu, Manoj Bhasin, Giovanni Roti, Mukta Joshi, Paul Van Hummelen, Emily Ye, Agnes S Lo, S Ananth Karumanchi, Christine R Bryke, Carmelo Nucera
Purpose: Papillary thyroid carcinoma (PTC) is the most frequent endocrine tumor. BRAF(V600E) represents the PTC hallmark and is targeted with selective inhibitors (e.g. vemurafenib). Although there have been promising results in clinical trials using these inhibitors, most patients develop resistance and progress. Tumor clonal diversity is proposed as one mechanism underlying drug resistance. Here we have investigated mechanisms of primary and secondary resistance to vemurafenib in BRAF(WT/V600E)-positive PTC patient-derived cells with P16(-/-) (CDKN2A(-/-))...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29124649/angiotensin-receptor-blockade-a-novel-approach-for-symptomatic-radiation-necrosis-after-stereotactic-radiosurgery
#12
Mudit Chowdhary, Derick Okwan-Duodu, Jeffrey M Switchenko, Robert H Press, Jaymin Jhaveri, Zachary S Buchwald, Jim Zhong, Bhavana V Chapman, Ranjit S Bindra, Joseph N Contessa, Henry S Park, James B Yu, Roy H Decker, Jeffrey J Olson, Nelson M Oyesiku, Ross A Abrams, Hui-Kuo G Shu, Walter J Curran, Ian R Crocker, Kirtesh R Patel
Preclinical evidence suggests angiotensin blockade therapy (ABT) decreases late radiation toxicities. This study aims to investigate the association between ABT and symptomatic radiation necrosis (SRN) following stereotactic radiosurgery (SRS). Resected brain metastases (rBM) and arteriovenous malformation (AVM) patients treated with SRS from 2002 to 2015 were identified. Patients in the ABT cohort were on therapy during SRS and at 1-month follow up. Kaplan Meier method and cumulative incidence model were used to analyze overall survival (OS) and intracranial outcomes...
November 9, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29123104/a-prospective-randomized-trial-of-two-mucin-secretogogues-for-the-treatment-of-dry-eye-syndrome-in-office-workers
#13
Jun Shimazaki, Den Seika, Masamichi Saga, Kazumi Fukagawa, Miki Sakata, Miki Iwasaki, Takashi Okano
The purpose of the study was to compare the two mucin secretogogues, diquafosol (DQS) and rebamipide (RBM), for the treatment of dry eye syndrome (DES) in office workers. Dry eye patients using computers for >4 h/day were randomly assigned treatment with either DQS or RBM. Main outcomes measures included changes in tear film break-up time (TBUT) and subjective symptoms assessed by the Dry Eye-Related Quality of Life Score (DEQS). The subjects had scheduled examinations at 0 and 4 weeks, and the examinations at 2 and 8 weeks were optional...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29077052/long-lasting-insecticide-net-ownership-access-and-use-in-southwest-ethiopia-a-community-based-cross-sectional-study
#14
Dinberu Seyoum, Niko Speybroeck, Luc Duchateau, Patrick Brandt, Angel Rosas-Aguirre
Introduction:A large proportion of the Ethiopian population (approximately 68%) lives in malaria risk areas. Millions of long-lasting insecticide treated nets (LLINs) have been distributed as part of the malaria prevention and control strategy in the country. This study assessed the ownership, access and use of LLNs in the malaria endemic southwest Ethiopia. Methods: A community-based cross-sectional study was conducted in southwest Ethiopia during October-November 2015, including 836 households from sixteen villages around Gilgel-Gibe dam area...
October 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29060616/a-separated-feature-learning-based-dbn-structure-for-classification-of-ssmvep-signals
#15
Yaguang Jia, Jun Xie, Guanghua Xu, Min Li, Sicong Zhang, Ailing Luo, Xingliang Han
Signal processing is one of the key points in brain computer interface (BCI) application. The common methods in BCI signal classification include canonical correlation analysis (CCA), support vector machine (SVM) and so on. However, because BCI signals are very complex and valid signals often come with confounded background noise, many current classification methods would lose meaningful information embedded in human EEGs. Otherwise, due to the huge inter-subject variability with respect to characteristics and patterns of BCI signals, there often exists large difference of classification accuracy among different subjects...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29051111/perspectives-on-using-a-multiplex-human-kidney-safety-biomarker-panel-to-detect-cisplatin-induced-tubular-toxicity-in-male-and-female-cynomolgus-monkeys
#16
Yafei Chen, J Dale Thurman, Lewis B Kinter, Russell Bialecki, J Eric McDuffie
Multiplex biomarker panel assays would enable early de-risking of discovery compound related kidney safety liabilities. The objective of this study was to evaluate the usefulness of the Myriad RBM Human KidneyMAP (Multi-Analyte Profile)® v.1.0 panel to detect experimental nephrotoxicity in Cynomolgus monkeys following a single intravenous administration of cisplatin (2.5mg/kg). Urine samples were collected at baseline on day -2; at approximately 4hr post-dose on day 1; and on days 4, 9, 15 and/or 20. Blood samples were collected at predose on day -2; at 4hr post-dose on day 1; and on days 2, 5, 10 and/or 21...
December 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29044523/osseointegration-of-zirconia-and-titanium-implants-in-a-rabbit-tibiae-model-evaluated-by-microtomography-histomorphometry-and-fluorochrome-labeling-analyses
#17
R Martins, T M Cestari, R V N Arantes, P S Santos, R Taga, M J Carbonari, R C Oliveira
OBJECTIVES: This study compares the osseointegration of machined-zirconia implants containing yttria (M-Y-TZP) with machined (M-Ti) and resorbable blast media (RBM-Ti) titanium implants. MATERIAL AND METHODS: M-Y-TZP, M-Ti and RBM-Ti implants were randomly placed in rabbit tibiae. Fluorochrome bone labels (tetracycline, alizarin and calcein) were administered at different time periods. After 8 weeks, osseointegration was evaluated in terms of bone-to-implant contact (BIC), new bone area (nBA), remaining cortical bone area (rBA) and temporal quantification of fluorochromes, using micro-CT and histomorphometric analyses...
October 17, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28990921/implementing-impact-evaluations-of-malaria-control-interventions-process-lessons-learned-and-recommendations
#18
Christine L Hershey, Achuyt Bhattarai, Lia S Florey, Peter D McElroy, Carrie F Nielsen, Yazoume Yé, Erin Eckert, Ana Cláudia Franca-Koh, Estifanos Shargie, Ryuichi Komatsu, Paul Smithson, Julie Thwing, Jules Mihigo, Samantha Herrera, Cameron Taylor, Jui Shah, Eric Mouzin, Steven S Yoon, S René Salgado
As funding for malaria control increased considerably over the past 10 years resulting in the expanded coverage of malaria control interventions, so did the need to measure the impact of these investments on malaria morbidity and mortality. Members of the Roll Back Malaria (RBM) Partnership undertook impact evaluations of malaria control programs at a time when there was little guidance in terms of the process for conducting an impact evaluation of a national-level malaria control program. The President's Malaria Initiative (PMI), as a member of the RBM Partnership, has provided financial and technical support for impact evaluations in 13 countries to date...
September 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28990912/using-rainfall-and-temperature-data-in-the-evaluation-of-national-malaria-control-programs-in-africa
#19
Madeleine C Thomson, Israel Ukawuba, Christine L Hershey, Adam Bennett, Pietro Ceccato, Bradfield Lyon, Tufa Dinku
Since 2010, the Roll Back Malaria (RBM) Partnership, including National Malaria Control Programs, donor agencies (e.g., President's Malaria Initiative and Global Fund), and other stakeholders have been evaluating the impact of scaling up malaria control interventions on all-cause under-five mortality in several countries in sub-Saharan Africa. The evaluation framework assesses whether the deployed interventions have had an impact on malaria morbidity and mortality and requires consideration of potential nonintervention influencers of transmission, such as drought/floods or higher temperatures...
September 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28981878/a-novel-method-to-estimate-lymphocyte-dose-and-application-to-pediatric-and-young-adult-ct-patients-in-the-united-kingdom
#20
Choonsik Lee, Lindsay M Morton, Amy Berrington de Gonzalez
Despite decades of epidemiological research, it remains uncertain whether ionizing radiation can cause lymphomas. Most epidemiological studies of lymphoma risk following non-uniform exposure used dose to red bone marrow (RBM), constituting a small fraction of the lymphocytes, as a surrogate of dose to the lymphocytes. We developed a method to estimate dose to the lymphocytes using the reference distribution of lymphocytes throughout the body and Monte Carlo simulations of computational human phantoms. We applied our method to estimating lymphocyte doses for a pediatric CT patient cohort in the United Kingdom...
July 28, 2017: Radiation Protection Dosimetry
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