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https://www.readbyqxmd.com/read/28644098/intracranial-solitary-fibrous-tumors-hemangiopericytomas-first-report-of-malignant-progression
#1
Caroline Apra, Karima Mokhtari, Philippe Cornu, Matthieu Peyre, Michel Kalamarides
OBJECTIVE Meningeal solitary fibrous tumors/hemangiopericytomas (MSFTs/HPCs) are rare intracranial tumors resembling meningiomas. Their classification was redefined in 2016 by the World Health Organization (WHO) as benign Grade I fibrohyaline type, intermediate Grade II hypercellular type, and malignant highly mitotic Grade III. This grouping is based on common histological features and identification of a common NAB2-STAT6 fusion. METHODS The authors retrospectively identified 49 cases of MSFT/HPC. Clinical data were obtained from the medical records, and all cases were analyzed according to this new 2016 WHO grading classification in order to identify malignant transformations...
June 23, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28641611/-dmso-promotes-hematopoietic-differentiation-of-human-embryonic-stem-cells-in-vitro
#2
Hong-Tao Wang, Meng-Ge Wang, Xin Liu, Pei Su, Lei-Sheng Zhang, Cui-Cui Liu, Yu Wang, Dan Wu, Qian Tu, Jia-Xi Zhou
OBJECTIVE: To explore the role of dimethyl sulfoxide (DMSO) in the hematopoietic differentiation of human embryonic stem cells (hESCs). METHODS: The role of DMSO in hematopoietic differentiation of hESC was investigated by using a established stepwise hematopoietic differentiation system from hESC, immunofluorescouse assay and flow cytometry. Furthermore, the window phase of DMSO action was explored by adding it to the different stage of hematopoietic differentiation...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28634584/effect-of-chitosan-edible-coating-on-the-biochemical-and-physical-characteristics-of-carp-fillet-cyprinus-carpio-stored-at-18%C3%A2-c
#3
Ana Gabriela Morachis-Valdez, Leobardo Manuel Gómez-Oliván, Imelda García-Argueta, María Dolores Hernández-Navarro, Daniel Díaz-Bandera, Octavio Dublán-García
The effect of an edible coating (EC) with 1.5% chitosan as an additive, on common carp (Cyprinus carpio) fillet, was determined evaluating the biochemical, physicochemical, textural, microbiological, and nutritional characteristics periodically during its storage in the freezer (-18°C), observing a decrease in the rate of biochemical reactions related to degradation (p < 0.05), hydroperoxides content (HPC) (0.8324 nM hydroperoxides/mg of protein versus 0.5540 nM/mg with regard to the EC sample), as well as protein carbonyl content (PCC) (0...
2017: International journal of food science
https://www.readbyqxmd.com/read/28633956/a-time-adjustable-pulsatile-release-system-for-ketoprofen-in-vitro-and-in-vivo-investigation-in-a-pharmacokinetic-study-and-an-ivivc-evaluation
#4
Haiying Wang, Lizhen Cheng, Haoyang Wen, Caiyan Li, Yuenan Li, Xiaoyu Zhang, Yongfei Wang, Yanyan Wang, Tuanjie Wang, Weisan Pan, Xinggang Yang
A time-adjustable pulsatile release system (TAPS) containing ketoprofen (KF) as an active pharmaceutical agent was developed having been designed for bedtime dosing and releasing drug in the early morning to control the symptoms of rheumatoid arthritis (RA). The formulation involved a tablet core (KF) and a control-release layer, and the coating membrane was composed of EC and Eudragit L100. A single-factor study, a central composite design and a response surface method were selected to optimize the formula and the optimum prescription was as follows: tablet core (KF 50mg, MCC 70mg, lactose 40mg, L-HPC 38mg), and film (EC 7...
June 17, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28632933/patient-characteristics-associated-with-a-successful-response-to-nurse-led-care-programs-targeting-the-oldest-old-a-comparison-of-two-rcts
#5
Nienke Bleijenberg, Lorenz Imhof, Romy Mahrer-Imhof, Margaret I Wallhagen, Niek J de Wit, Marieke J Schuurmans
BACKGROUND: To improve the effectiveness of community-based care programs, especially those targeting the oldest-old population (80+), data are needed that elucidate those factors associated with a successful response to the intervention. Two comparable nurse-led care programs have been evaluated in two large randomized controlled trials (RCTs), one in Switzerland and one in the Netherlands. AIMS: To identify common patient characteristics that are related to a successful response to proactive nurse-led care, we explored if and to what extent, identical factors were present in both study populations...
June 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28631499/the-microbial-contamination-and-the-presence-of-%C3%AE-lactamase-producing-gram-negative-bacteria-in-the-water-and-on-the-surfaces-of-public-recreation-water-facilities
#6
Karmen Godič Torkar, Mirjana Dražetić
The microbiological quality of bathing water and the surfaces of the surrounding pool platforms of two pools was estimated. ESBL- and MBL-producing Gram-negative bacteria isolated from water and surface samples were also studied. The water samples were satisfactory in 31 (86.1 %) out of 36 cases. Pseudomonas aeruginosa as well as Escherichia coli were identified in only 2 (5.5 %) cases. There were no correlations between the HPC and number of enterobacteria in the pool water and those found in the surface samples...
June 20, 2017: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/28611691/morphine-reward-promotes-cue-sensitive-learning-implication-of-dorsal-striatal-creb-activity
#7
Mathieu Baudonnat, Jean-Louis Guillou, Marianne Husson, Veronique D Bohbot, Lars Schwabe, Vincent David
Different parallel neural circuits interact and may even compete to process and store information: whereas stimulus-response (S-R) learning critically depends on the dorsal striatum (DS), spatial memory relies on the hippocampus (HPC). Strikingly, despite its potential importance for our understanding of addictive behaviors, the impact of drug rewards on memory systems dynamics has not been extensively studied. Here, we assessed long-term effects of drug- vs food reinforcement on the subsequent use of S-R vs spatial learning strategies and their neural substrates...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28611075/identification-and-functional-characterization-of-hypoxia-induced-endoplasmic-reticulum-stress-regulating-lncrna-hyperlnc-in-pericytes
#8
Florian C Bischoff, Astrid Werner, David John, Jes-Niels Boeckel, Maria-Theodora Melissari, Phillip Grote, Simone F Glaser, Shemsi Demolli, Shizuka Uchida, Katharina M Michalik, Benjamin Meder, Hugo A Katus, Jan Haas, Wei Chen, Soni S Pullamsetti, Werner Seeger, Andreas M Zeiher, Stefanie Dimmeler, Christoph M Zehendner
Rationale: Pericytes are essential for vessel maturation and endothelial barrier function. Long non-coding RNAs (lncRNAs) regulate many cellular functions, but their role in pericyte biology remains unexplored. Objective: Here we investigate the effect of Hypoxia-Induced Endoplasmic Reticulum Stress Regulating lncRNA (HypERlnc, also known as ENSG00000262454) on pericyte function in vitro and its regulation in human heart failure and idiopathic pulmonary arterial hypertension. Methods and Results: RNA sequencing in human primary pericytes (hPCs) identified hypoxia regulated lncRNAs, including HypERlnc...
June 13, 2017: Circulation Research
https://www.readbyqxmd.com/read/28610458/large-scale-parallel-genome-assembler-over-cloud-computing-environment
#9
Arghya Kusum Das, Praveen Kumar Koppa, Sayan Goswami, Richard Platania, Seung-Jong Park
The size of high throughput DNA sequencing data has already reached the terabyte scale. To manage this huge volume of data, many downstream sequencing applications started using locality-based computing over different cloud infrastructures to take advantage of elastic (pay as you go) resources at a lower cost. However, the locality-based programming model (e.g. MapReduce) is relatively new. Consequently, developing scalable data-intensive bioinformatics applications using this model and understanding the hardware environment that these applications require for good performance, both require further research...
May 23, 2017: Journal of Bioinformatics and Computational Biology
https://www.readbyqxmd.com/read/28609295/clubber-removing-the-bioinformatics-bottleneck-in-big-data-analyses
#10
Maximilian Miller, Chengsheng Zhu, Yana Bromberg
With the advent of modern day high-throughput technologies, the bottleneck in biological discovery has shifted from the cost of doing experiments to that of analyzing results. clubber is our automated cluster-load balancing system developed for optimizing these "big data" analyses. Its plug-and-play framework encourages re-use of existing solutions for bioinformatics problems. clubber's goals are to reduce computation times and to facilitate use of cluster computing. The first goal is achieved by automating the balance of parallel submissions across available high performance computing (HPC) resources...
June 13, 2017: Journal of Integrative Bioinformatics
https://www.readbyqxmd.com/read/28606850/the-impact-of-%C3%AE-lipoic-acid-on-cell-viability-and-expression-of-nephrin-and-znf580-in-normal-human-podocytes
#11
Ulrike Leppert, Allan Gillespie, Miriam Orphal, Karen Böhme, Claudia Plum, Kaj Nagorsen, Janine Berkholz, Reinhold Kreutz, Andreas Eisenreich
Human podocytes (hPC) are essential for maintaining normal kidney function and dysfunction or loss of hPC play a pivotal role in the manifestation and progression of chronic kidney diseases including diabetic nephropathy. Previously, α-Lipoic acid (α-LA), a licensed drug for treatment of diabetic neuropathy, was shown to exhibit protective effects on diabetic nephropathy in vivo. However, the effect of α-LA on hPC under non-diabetic conditions is unknown. Therefore, we analyzed the impact of α-LA on cell viability and expression of nephrin and zinc finger protein 580 (ZNF580) in normal hPC in vitro...
June 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28606618/hypoxic-postconditioning-attenuates-apoptosis-via-activation-of-adenosine-a2a-receptors-on-dermal-microvascular-endothelial-cells-of-human-flaps
#12
Jiankun Cao, Wenzhi Li, Chao Cui, Binbin Li, Yi Xin, Lun Cai, Zhizhong Gong, Huang Lin
BACKGROUND: In recent years, many studies have demonstrated that endogenous adenosine induced by ischemia postconditioning reduces apoptosis in various models, but no study has clearly elucidated the effects of hypoxic postconditioning (HPC) in human dermal microvascular endothelial cells (HDMECs) of flaps, and the subtype of adenosine receptors involved remains unknown. In our study, we sought to identify the role of adenosine A2a receptor in the antiapoptotic effects of HPC. MATERIALS AND METHODS: The HDMECs were isolated from human upper eyelid tissue...
May 10, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28603564/a-study-on-the-microbiological-status-of-mineral-drinking-water
#13
Faria Y Aditi, Shafkat S Rahman, Md M Hossain
INTRODUCTION: Water-borne diseases constitute a major health burden in Bangladesh. The objective of this study was to assess the overall quality of mineral water samples that obtained from different shops of Dhaka city. MATERIAL AND METHODS: To achieve the above-mentioned objective, methods of heterotrophic plate count (HPC) and total coliform count (TCC) were applied. Moreover, isolated colony from mineral water samples were characterized by using biochemical and antimicrobial susceptibility tests...
2017: Open Microbiology Journal
https://www.readbyqxmd.com/read/28602891/manufacture-of-autologous-cd34-selected-grafts-in-the-niaid-sponsored-halt-ms-and-scot-multicenter-clinical-trials-for-autoimmune-diseases
#14
Carolyn A Keever-Taylor, Shelly Heimfeld, Kaitlyn C Steinmiller, Richard A Nash, Keith M Sullivan, Christine W Czarniecki, Tomeka C Granderson, Julia S Goldstein, Linda M Griffith
To ensure comparable grafts for autologous HCT in NIAID-sponsored IND protocols for multiple sclerosis (HALT-MS) and systemic sclerosis (SCOT), a DMF approach to control manufacture was implemented, including a common Master Production Batch Record, and site-specific SOPs with "Critical Elements". We assessed comparability of flow cytometry and controlled rate cryopreservation among sites, and stability of cryopreserved grafts, using hematopoietic progenitor cells (HPC) from healthy donors. Auto-CD34+HPC graft specifications included ≥70% viable CD34+ cells before cryopreservation...
June 5, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28598344/occurrence-of-legionella-in-showers-at-recreational-facilities
#15
Patrizia De Filippis, Cinzia Mozzetti, Massimo Amicosante, Gian Loreto D'Alò, Alessandra Messina, Donatella Varrenti, Roberto Giammattei, Floriana Di Giorgio, Stefania Corradi, Alberto D'Auria, Roberta Fraietta, Rosanna Gabrieli
Critical environments, including water systems in recreational settings, represent an important source of Legionella pneumophila infection in humans. In order to assess the potential risk for legionellosis, we analyzed Legionella contamination of water distribution systems in 36 recreational facilities equipped with swimming pools. One hundred and sixty water samples were analyzed from shower heads or taps located in locker rooms or in bathrooms. By culture method and polymerase chain reaction, 41/160 samples were positive for Legionella from 12/36 recreational centers...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28588251/fused-deposition-modeling-fdm-3d-printed-tablets-for-intragastric-floating-delivery-of-domperidone
#16
Xuyu Chai, Hongyu Chai, Xiaoyu Wang, Jingjing Yang, Jin Li, Yan Zhao, Weimin Cai, Tao Tao, Xiaoqiang Xiang
The aim of this study was to explore the feasibility of fused deposition modeling (FDM) 3D printing to prepare intragastric floating sustained release (FSR) tablets. Domperidone (DOM), an insoluble weak base, was chosen as a model drug to investigate the potential of FSR in increasing its oral bioavailability and reducing its administration frequency. DOM was successfully loaded into hydroxypropyl cellulose (HPC) filaments using hot melt extrusion (HME). The filaments were then printed into hollow structured tablets through changing the shell numbers and the infill percentages...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28583589/a-comparative-assessment-of-nanocomposites-vs-amorphous-solid-dispersions-prepared-via-nanoextrusion-for-drug-dissolution-enhancement
#17
Meng Li, Nicolas Ioannidis, Costas Gogos, Ecevit Bilgili
Nanoextrusion was used to produce extrudates of griseofulvin, a poorly water-soluble drug, with the objective of examining the impact of drug particle size and polymeric matrix type-size of the extrudates on drug dissolution enhancement. Hydroxypropyl cellulose (HPC) and Soluplus® were used to stabilize wet-milled drug suspensions and form matrices of the extrudates. The wet-milled suspensions along with additional polymer (HPC/Soluplus®) were fed to a co-rotating twin-screw extruder, which dried the suspensions and formed various extrudates...
June 2, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28579459/utilization-of-chemically-modified-pearl-millet-starches-in-preparation-of-custards-with-improved-cold-storage-stability
#18
Marium Shaikh, Tahira Mohsin Ali, Abid Hasnain
Custards were prepared using five ingredients: milk powder, modified pearl millet starch, sugar, vanilla essence and water. The effect of adding hydroxypropylated starch (HPS), succinylated starch (SUS), oxidised starch (OXS) and acetylated starch (ACS) on cold storage stability, pasting, textural and sensory properties was studied and compared to custards containing native pearl millet starch (NS). Interestingly, all chemically modified starches reduced syneresis and no water weeping was observed in custard sample incorporating hydroxypropylated starch (HPC) even after 7days of cold storage...
June 2, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28573355/a-6-year-update-of-the-health-policy-and-advocacy-priorities-of-the-society-of-behavioral-medicine
#19
Joanna Buscemi, Gary G Bennett, Sherri Sheinfeld Gorin, Sherry L Pagoto, James F Sallis, Dawn K Wilson, Marian L Fitzgibbon
Government policy affects virtually every topic of interest to health behavior researchers, from research funding to reimbursement for clinical services to application of evidence to impact health outcomes. This paper provides a 6-year update on the expansion of Society of Behavioral Medicine's (SBM) public policy and advocacy agenda and proposed future directions. SBM's Health Policy Council is responsible for ensuring coordination of the policy-related activities of the Health Policy Committee (HPC), the Civic and Public Engagement Committee (CPEC), and the Scientific and Professional Liaison Council (SPLC)...
June 1, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28569391/permanent-his-bundle-pacing-electrophysiological-and-echocardiographic-observations-from-long-term-follow-up
#20
Pugazhendhi Vijayaraman, Gopi Dandamudi, Daniel Lustgarten, Kenneth A Ellenbogen
BACKGROUND: Permanent His bundle pacing (HBP) is a physiological alternative to right ventricular pacing (RVP). It is not known whether HBP can cause His-Purkinje conduction (HPC) disease. The aim of our study is to assess His bundle capture and its effect on LV function in long-term follow-up and to determine HPC at the time of pulse generator change (GC) in patients with chronic HBP. METHODS: HB electrograms were recorded from the pacing lead at implant and GC...
June 1, 2017: Pacing and Clinical Electrophysiology: PACE
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