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https://www.readbyqxmd.com/read/28092925/risk-based-management-of-dental-procedures-in-patients-with-inherited-bleeding-disorders-development-of-a-dental-bleeding-risk-assessment-and-treatment-tool-debratt
#1
L Rasaratnam, P Chowdary, D Pollard, B Subel, C Harrington, U R Darbar
INTRODUCTION: Successful outcomes in dental management for patients with inherited bleeding disorders require close collaboration between haematology teams and dentists. AIM: To review outcomes of an interdisciplinary pathway for dental procedures by assessing adequacy and appropriateness of haemostatic management. METHODS: Two hundred dental procedures in 30 patients with inherited bleeding disorders were included. A Dental Bleeding Risk Assessment and Treatment Tool (DeBRATT) was developed to identify four categories of bleeding risk (no risk, low, moderate and high risk of bleeding) in relation to the severity of the bleeding disorder and the invasiveness of dental procedure...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28092863/adipose-derived-stem-cells-ameliorate-renal-interstitial-fibrosis-through-inhibition-of-emt-and-inflammatory-response-via-tgf-%C3%AE-1-signaling-pathway
#2
Yan Song, Changliang Peng, Shasha Lv, Jing Cheng, Shanshan Liu, Qing Wen, Guangju Guan, Gang Liu
Adipose-derived stem cells (ADSCs) have been successfully used to treat acute kidney injury or acute renal failure. However, the effect of ADSCs on treating renal interstitial fibrosis remains unknown. Here, we assessed the therapeutic efficacy of ADSCs on renal interstitial fibrosis induced by unilateral ureter obstruction (UUO) and explored the potential mechanisms. After 7days of UUO, rats were injected with ADSCs (5×10(6)) or vehicle via tail vein. We found that ADSCs administration significantly ameliorated renal interstitial fibrosis, the occurrence of epithelial-mesenchymal transition (EMT) and inflammatory response...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092856/separation-of-antibody-drug-conjugate-species-by-rplc-a-generic-method-development-approach
#3
Szabolcs Fekete, Imre Molnár, Davy Guillarme
This study reports the use of modelling software for the successful method development of IgG1 cysteine conjugated antibody drug conjugate (ADC) in RPLC. The goal of such a method is to be able to calculate the average drug to antibody ratio (DAR) of and ADC product. A generic method development strategy was proposed including the optimization of mobile phase temperature, gradient profile and mobile phase ternary composition. For the first time, a 3D retention modelling was presented for large therapeutic protein...
January 11, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28092855/lc-ms-ms-determination-of-d-mannose-in-human-serum-as-a-potential-cancer-biomarker
#4
Lyndsey White, Jing Ma, Su Liang, Beatriz Sanchez-Espiridion, Dong Liang
Several metabolites in human serum have been identified as potential cancer biomarkers for early detection. This study focuses on the LC-MS/MS method development and validation of d-mannose in human serum. Surrogate blank serum, coupled with stable isotope d-mannose-(13)C6, as internal standard, was used for generating standard curves ranging from 1 to 50μg/mL. Separation was achieved by an Agilent 1200 series HPLC equipped with a SUPELCOGELTM Pb, 6% Crosslinked column with HPLC water as a mobile phase at flow rate of 0...
December 28, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28092819/silver-nanoparticles-supported-over-mesoporous-alumina-as-an-efficient-nanocatalyst-for-n-alkylation-of-hetero-aromatic-amines-and-aromatic-amines-using-alcohols-as-alkylating-agent
#5
Priyanka Paul, Piyali Bhanja, Noor Salam, Usha Mandi, Asim Bhaumik, Seikh Mafiz Alam, Sk Manirul Islam
We have successfully embedded rhombohedral crystallites of silver nanoparticles (Ag-NPs) over mesoporous alumina (Ag@Al2O3) material for the first time. The Ag@Al2O3 has been characterized by powder X-ray diffraction (PXRD), ultra high resolution transmission electron microscopy (UHR-TEM), scanning electron microscopy (SEM), N2 adsorption/desorption isotherm, Fourier transform infrared spectroscopy (FT-IR), ultraviolet-visible absorption spectra (UV-Vis), and thermogravimetric analysis (TGA). The PXRD confirms the presence of the rhombohedral phase of Ag nanoparticles...
January 3, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28092818/heterostructured-znfe2o4-tio2-nanotube-arrays-with-remarkable-visible-light-photoelectrocatalytic-performance-and-stability
#6
Shan Xie, Ke Ouyang, Yueming Lao, Peihao He, Qun Wang
A series of heterostructured ZnFe2O4/TiO2-nanotube arrays (NTAs) with remarkable visible-light photoelectrocatalytic (PEC) activity were successfully prepared via a two-step process of anodization and impregnation, followed by annealing. The structure and morphology of the as-prepared ZnFe2O4/TiO2-NTAs samples, PEC degradation abilities and photoelectrochemical performances, as well as long-term stabilities toward degradation of methyl orange (MO) solution under visible-light irradiation were deeply investigated...
January 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28092810/expectation-and-futurity-the-remarkable-success-of-genetic-determinism
#7
Maurizio Esposito
Genetic determinism is nowadays largely questioned and widely criticized. However, if we look at the history of biology in the last one hundred years, we realize that genetic determinism has always been controversial. Why, then, did it acquire such relevance in the past despite facing longstanding criticism? Through the analysis of some of the ambitious expectations of future scientific applications, this article explores the possibility that part of the historical success of genetic determinism lies in the powerful rhetorical strategies that have connected the germinal matter with alluring bio-technological visions...
January 13, 2017: Studies in History and Philosophy of Biological and Biomedical Sciences
https://www.readbyqxmd.com/read/28092807/application-of-the-dreadd-technique-in-biomedical-brain-research
#8
REVIEW
Grzegorz Dobrzanski, Małgorzata Kossut
The DREADD (Designer Receptors Exclusively Activated by Designer Drugs) technique is a new chemogenetic approach allowing for selective and remote control of neural activity with a high degree of spatial resolution. Since its discovery in 2007 the DREADD technique was successfully employed into basic research, and together with the optogenetic method provided so far the best tool to influence the activity of the brain circuits and cell populations. The first aim of this review was to concisely describe the technique with regard to such issues like the history of its development, biochemistry as well as modes of the designer receptors delivery and expression...
October 29, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28092806/life-cycle-ultrastructure-and-phylogeny-of-parvilucifera-corolla-sp-nov-alveolata-perkinsozoa-a-parasitoid-of-dinoflagellates
#9
Albert Reñé, Elisabet Alacid, Rosa Isabel Figueroa, Francisco Rodríguez, Esther Garcés
Recent studies of marine protists have revealed parasites to be key components of marine communities. Here we describe a new species of the parasitoid genus Parvilucifera that was observed infecting the dinoflagellate Durinskia baltica in salt marshes of the Catalan coast (NW Mediterranean). In parallel, the same species was detected after the incubation of seawater from the Canary Islands (Lanzarote, NE Atlantic). The successful isolation of strains from both localities allowed description of the life cycle, ultrastructure, and phylogeny of the species...
December 13, 2016: European Journal of Protistology
https://www.readbyqxmd.com/read/28092800/effect-of-venepuncture-process-design-on-efficiency-and-failure-rates-a-simulation-model-study-for-secondary-care
#10
Sean Reed, Rasa Remenyte-Prescott, Ben Rees
BACKGROUND: Healthcare aims to deliver good patient outcomes. For many clinical procedures there are multiple alternative task sequences that can be performed. These deviations can influence procedure reliability, efficiency of usage of hospital resources and risk to staff and patient safety. Venepuncture is one of the most common invasive procedures in healthcare. Literature of clinical practice shows evidence of wide variability in the procedure order and the duration of each step, which can depend on attributes, such as patient health, sampling method and staff skills...
December 29, 2016: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28092799/fibrin-improves-skin-wound-perfusion-in-a-diabetic-rat-model
#11
Tamara Hoppenbrouwers, Bastiaan Tuk, Esther M G Fijneman, Moniek P M de Maat, Johan W van Neck
: The fibrin matrix of the thrombus that is formed directly after wounding, is an important determinant of the success of the early phase of wound healing. This phase is often impaired in patients with diabetes. A promising approach to improve skin wound healing is the application of a pro-angiogenic fibrin matrix onto the wound. We studied this in 59 female WAG/RijCrl diabetic rats, in which we created two dorsal full-thickness wounds of which one was treated with a human physiological fibrin matrix (2mg/ml) and one with PBS as control...
January 10, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28092797/undergraduate-nursing-student-mentors-experiences-of-peer-mentoring-in-korea-a-qualitative-analysis
#12
Mi-Ra Won, Yun-Jung Choi
BACKGROUND: Although mentoring involves the achievement of a mutual relationship between mentors and mentees, most studies have focused on the effects of mentoring on the mentees rather than that on the mentors, which necessitates the need to identify mentors' experiences to provide original resources for mentoring. OBJECTIVES: The purpose of this study was to explore the mentoring experience of nursing students who participated as mentors in a mentoring learning program, to offer evidence-based resources for nursing educators to develop mentoring programs and to use mentorship as an educational method...
January 8, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28092786/imaging-thiol-redox-status-in-murine-tumors-in-vivo-with-rapid-scan-electron-paramagnetic-resonance
#13
Boris Epel, Subramanian V Sundramoorthy, Martyna Krzykawska-Serda, Matthew C Maggio, Mark Tseytlin, Gareth R Eaton, Sandra S Eaton, Gerald M Rosen, Joseph P Y Kao, Howard J Halpern
Thiol redox status is an important physiologic parameter that affects the success or failure of cancer treatment. Rapid scan electron paramagnetic resonance (RS EPR) is a novel technique that has shown higher signal-to-noise ratio than conventional continuous-wave EPR in in vitro studies. Here we used RS EPR to acquire rapid three-dimensional images of the thiol redox status of tumors in living mice. This work presents, for the first time, in vivo RS EPR images of the kinetics of the reaction of (2)H,(15)N-substituted disulfide-linked dinitroxide (PxSSPx) spin probe with intracellular glutathione...
December 31, 2016: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/28092776/periosteum-tissue-engineering-in-an-orthotopic-in%C3%A2-vivo-platform
#14
J G Baldwin, F Wagner, L C Martine, B M Holzapfel, C Theodoropoulos, O Bas, F M Savi, C Werner, E M De-Juan-Pardo, D W Hutmacher
The periosteum plays a critical role in bone homeostasis and regeneration. It contains a vascular component that provides vital blood supply to the cortical bone and an osteogenic niche that acts as a source of bone-forming cells. Periosteal grafts have shown promise in the regeneration of critical size defects, however their limited availability restricts their widespread clinical application. Only a small number of tissue-engineered periosteum constructs (TEPCs) have been reported in the literature. A current challenge in the development of appropriate TEPCs is a lack of pre-clinical models in which they can reliably be evaluated...
November 20, 2016: Biomaterials
https://www.readbyqxmd.com/read/28092733/enzymatic-synthesis-of-an-ezetimibe-intermediate-using-carbonyl-reductase-coupled-with-glucose-dehydrogenase-in-an-aqueous-organic-solvent-system
#15
Zhi-Qiang Liu, Si-Chuan Dong, Huan-Huan Yin, Ya-Ping Xue, Xiao-Ling Tang, Xiao-Jian Zhang, Jun-Yao He, Yu-Guo Zheng
(4S)-3-[(5S)-5-(4-Fluorophenyl)-5-hydroxypentanoyl]-4-phenyl-1,3-oxazolidin-2-one ((S)-ET-5) is an important chiral intermediate in the synthesis of chiral side chain of ezetimibe. Recombinant Escherichia coli expressing carbonyl reductase (CBR) was successfully constructed in this study. The total E. coli biomass and the specific activity of recombinant CBR in 5L fermenter culture were 10.9gDCWL(-1) and 14900.3Ug(-1)DCW, respectively. The dual-enzyme coupled biocatalytic process in an aqueous-organic biphasic solvent system was first constructed using p-xylene as the optimal organic phase under optimized reaction conditions, and 150gL(-1) (4S)-3-[5-(4-fluorophenyl)-1,5-dioxophentyl]-4-phenyl-1,3-oxazolidin-2-one (ET-4) was successfully converted to (S)-ET-5 with a conversion of 99...
January 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28092709/the-centrality-of-philosophical-anthropology-to-a-future-environmental-ethics
#16
Arran Gare
While environmental ethics has successfully established itself in philosophy, as presently conceived it is still largely irrelevant to grappling the global ecological crisis because, as Alasdair MacIntyre has argued, ethical philosophy itself is in grave disorder. MacIntyre's historically oriented recovery of virtue ethics is defended, but it is argued that even MacIntyre was too constrained by received assumptions to overcome this disorder. As he himself realized, his ideas need to be integrated and defended through philosophical anthropology...
September 2016: Cuadernos de Bioética: Revista Oficial de la Asociación Española de Bioética y Ética Médica
https://www.readbyqxmd.com/read/28092703/enantioselective-three-component-amination-of-enecarbamates-enables-the-synthesis-of-structurally-complex-small-molecules
#17
Audrey Dumoulin, Guillaume Bernadat, Géraldine Masson
The control of asymmetric synthesis tools represents a major challenge, especially when it comes to the synthesis of bioactive molecules. In this context, the asymmetric synthesis of 1,2-diamines through amination of enecarbamates has appeared to us as a highly efficient and tunable approach. Indeed, reactivity of the latter species could be exploited to realize a double functionalization via an electrophilic amination followed by nucleophilic trapping. Herein, we describe a chiral phosphoric acid-catalyzed electrophilic amination of enecarbamates with dibenzylazodicarboxylate and oxygenated or thiol-containing nucleophiles affording stable precursors of α-hydrazinoimines in high yields and with almost complete enantioselectivities (up to >99%)...
January 16, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28092692/smile-seq-identifies-binding-motifs-of-single-and-dimeric-transcription-factors
#18
Alina Isakova, Romain Groux, Michael Imbeault, Pernille Rainer, Daniel Alpern, Riccardo Dainese, Giovanna Ambrosini, Didier Trono, Philipp Bucher, Bart Deplancke
Resolving the DNA-binding specificities of transcription factors (TFs) is of critical value for understanding gene regulation. Here, we present a novel, semiautomated protein-DNA interaction characterization technology, selective microfluidics-based ligand enrichment followed by sequencing (SMiLE-seq). SMiLE-seq is neither limited by DNA bait length nor biased toward strong affinity binders; it probes the DNA-binding properties of TFs over a wide affinity range in a fast and cost-effective fashion. We validated SMiLE-seq by analyzing 58 full-length human, mouse, and Drosophila TFs from distinct structural classes...
January 16, 2017: Nature Methods
https://www.readbyqxmd.com/read/28092682/limited-heterogeneity-of-known-driver-gene-mutations-among-the-metastases-of-individual-patients-with-pancreatic-cancer
#19
Alvin P Makohon-Moore, Ming Zhang, Johannes G Reiter, Ivana Bozic, Benjamin Allen, Deepanjan Kundu, Krishnendu Chatterjee, Fay Wong, Yuchen Jiao, Zachary A Kohutek, Jungeui Hong, Marc Attiyeh, Breanna Javier, Laura D Wood, Ralph H Hruban, Martin A Nowak, Nickolas Papadopoulos, Kenneth W Kinzler, Bert Vogelstein, Christine A Iacobuzio-Donahue
The extent of heterogeneity among driver gene mutations present in naturally occurring metastases-that is, treatment-naive metastatic disease-is largely unknown. To address this issue, we carried out 60× whole-genome sequencing of 26 metastases from four patients with pancreatic cancer. We found that identical mutations in known driver genes were present in every metastatic lesion for each patient studied. Passenger gene mutations, which do not have known or predicted functional consequences, accounted for all intratumoral heterogeneity...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28092680/utilizing-somatic-mutation-data-from-numerous-studies-for-cancer-research-proof-of-concept-and-applications
#20
D Amar, S Izraeli, R Shamir
Large cancer projects measure somatic mutations in thousands of samples, gradually assembling a catalog of recurring mutations in cancer. Many methods analyze these data jointly with auxiliary information with the aim of identifying subtype-specific results. Here, we show that somatic gene mutations alone can reliably and specifically predict cancer subtypes. Interpretation of the classifiers provides useful insights for several biomedical applications. We analyze the COSMIC database, which collects somatic mutations from The Cancer Genome Atlas (TCGA) as well as from many smaller scale studies...
January 16, 2017: Oncogene
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