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https://www.readbyqxmd.com/read/28214330/automated-microfluidic-sorting-of-mammalian-cells-labeled-with-magnetic-microparticles-for-those-that-efficiently-express-and-secrete-a-protein-of-interest
#1
Xuan Droz, Niamh Harraghy, Etienne Lançon, Valérie Le Fourn, David Calabrese, Thierry Colombet, Pascal Liechti, Amar Rida, Pierre-Alain Girod, Nicolas Mermod
We developed a method for the fast sorting and selection of mammalian cells expressing and secreting a protein at high levels. This procedure relies on cell capture using an automated microfluidic device handling antibody-coupled magnetic microparticles and on a timed release of the cells from the microparticles after capture. Using clinically compatible materials and procedures, we show that this approach is able to discriminate between cells that truly secrete high amounts of a protein from those that just display it at high levels on their surface without properly releasing it...
February 18, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28214032/picking-on-fibroblast-growth-factor-receptors-as-bladder-cancer-therapeutic-targets
#2
EDITORIAL
Miriam Marqués, Francisco X Real
No abstract text is available yet for this article.
February 14, 2017: European Urology
https://www.readbyqxmd.com/read/28213793/automation-of-peak-tracking-analysis-of-stepwise-perturbed-nmr-spectra
#3
Tommaso Banelli, Marco Vuano, Federico Fogolari, Andrea Fusiello, Gennaro Esposito, Alessandra Corazza
We describe a new algorithmic approach able to automatically pick and track the NMR resonances of a large number of 2D NMR spectra acquired during a stepwise variation of a physical parameter. The method has been named Trace in Track (TINT), referring to the idea that a gaussian decomposition traces peaks within the tracks recognised through 3D mathematical morphology. It is capable of determining the evolution of the chemical shifts, intensity and linewidths of each tracked peak.The performances obtained in term of track reconstruction and correct assignment on realistic synthetic spectra were high above 90% when a noise level similar to that of experimental data were considered...
February 17, 2017: Journal of Biomolecular NMR
https://www.readbyqxmd.com/read/28213572/impact-of-expanding-the-prehospital-stroke-bypass-time-window-in-a-large-geographic-region
#4
Ian G Stiell, Catherine M Clement, Kristy Campbell, Mukul Sharma, Doug Socha, Marco L A Sivilotti, Albert Jin, Jeffrey J Perry, Jim Lumsden, Cally Martin, Mark Froats, Richard Dionne, John Trickett
BACKGROUND AND PURPOSE: The Ontario Acute Stroke Medical Redirect Paramedic Protocol (ASMRPP) was revised to allow paramedics to bypass to designated stroke centers if total transport time would be <2 hours and total time from symptom onset <3.5 hours. We sought to evaluate the impact and safety of implementing the Revised ASMRPP. METHODS: We conducted a 12-month implementation study involving prehospital patients presenting with possible stroke symptoms. A total of 1317 basic and advanced life support paramedics, of 9 land services in 10 rural counties and 5 cities, used the Revised ASMRPP to take appropriate patients directly to 6 designated stroke centers...
February 17, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28213211/application-of-2d-hplc-coupled-with-principal-component-analysis-to-study-an-industrial-opiate-processing-stream
#5
Paul G Stevenson, Niki K Burns, Stuart D Purcell, Paul S Francis, Neil W Barnett, Fiona Fry, Xavier A Conlan
Principal component analysis (PCA) loading plots were used to elucidate key differences between two-dimensional high performance liquid chromatography (2D-HPLC) fingerprint data from samples collected from stages along the Papaver somniferum industrial process chemistry workflow. Data reduction was completed using a 2D-HPLC peak picking approach as a precursor to chemometric analysis. Using comparisons of the final stages of product extraction as an example, PCA analysis of characteristic 2D-HPLC fingerprints accounted for 84...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28210186/bilateral-retinitis-pigmentosa-with-unilateral-choroidal-nevus-a-hitherto-unreported-association
#6
Rupak Roy, Kumar Saurabh, Debmalya Das, Preeti Sharma, Avirupa Ghose, Dhileesh P Chandrasekharan
Retinitis Pigmentosa (RP) has been reported to be associated with retinal hemangioma, retinal angiomatous proliferation, polypoidal choroidal vasculopathy and vasoproliferative tumours. However there is no previous report of choroidal nevus in an eye with RP. We describe such a case in which the eye with RP had a choroidal nevus at the macula. The coexistence of these two entities in the same eye emphasizes the need of careful examination of patients with RP. The presence of choroidal nevus warrants additional investigations such as B scan ultrasonography and a close follow-up to pick up changes in the nevus size and morphology...
July 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28209532/stability-of-problematic-eating-behaviors-and-weight-loss-trajectories-after-bariatric-surgery-a-longitudinal-observational-study
#7
Eva M Conceição, James E Mitchell, Ana Pinto-Bastos, Filipa Arrojado, Isabel Brandão, Paulo P P Machado
BACKGROUND: The literature is rather mixed regarding the stability and the role of pre- and postoperative problematic eating behaviors (PEBs) on weight outcomes after bariatric surgery. OBJECTIVES: To investigate the stability of loss of control (LOC) eating and picking and/or nibbling from pre- to postoperative assessments, and to investigate whether pre- and postoperative PEBs are predictors of different weight loss trajectories. SETTING: Central Hospital, University, Portugal...
December 20, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28209214/effects-of-concentrate-type-and-chromium-propionate-on-insulin-sensitivity-productive-and-reproductive-parameters-of-lactating-dairy-cows-consuming-excessive-energy
#8
T Leiva, R F Cooke, A P Brandão, U Pardelli, R O Rodrigues, F N Corrá, J L M Vasconcelos
This experiment compared insulin sensitivity parameters, milk production and reproductive outcomes in lactating dairy cows consuming excessive energy, and receiving in a 2×2 factorial arrangement design: (1) concentrate based on ground corn (CRN; n=13) or citrus pulp (PLP; n=13), and (2) supplemented (n=14) or not (n=12) with 2.5 g/day of chromium (Cr)-propionate. During the experiment (day 0 to 182), 26 multiparous, non-pregnant, lactating Gir×Holstein cows (initial days in milk=80±2) were offered corn silage for ad libitum consumption, and individually received concentrate formulated to allow diets to provide 160% of their daily requirements of net energy for lactation...
March 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28208854/polymerase-chain-reaction-an-important-tool-for-early-diagnosis-of-leptospirosis-cases
#9
Summaiya Mullan, Tanvi Harivadanbhai Panwala
INTRODUCTION: Various diagnostic methods like Microscopic Agglutination Test (MAT), IgM ELISA, Isolation of Leptospira from the clinical specimen, Rapid leptocheck tests etc., are available for diagnosis of leptospirosis. Polymerase Chain Reaction (PCR) is used for diagnosis of various diseases of infectious origin including leptospirosis but there is paucity of data about comparison of PCR with other available method of diagnosis of leptospirosis. AIM: The aim of the study was to detect the leptospiral DNA by PCR method and to compare the results of PCR with other available diagnostic methods used for diagnosis of suspected leptospirosis cases in acute phase of illness...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207855/novel-approaches-for-the-taxonomic-and-metabolic-characterization-of-lactobacilli-integration-of-16s-rrna-gene-sequencing-with-maldi-tof-ms-and-1h-nmr
#10
Claudio Foschi, Luca Laghi, Carola Parolin, Barbara Giordani, Monica Compri, Roberto Cevenini, Antonella Marangoni, Beatrice Vitali
Lactobacilli represent a wide range of bacterial species with several implications for the human host. They play a crucial role in maintaining the ecological equilibrium of different biological niches and are essential for fermented food production and probiotic formulation. Despite the consensus about the 'health-promoting' significance of Lactobacillus genus, its genotypic and phenotypic characterization still poses several difficulties. The aim of this study was to assess the integration of different approaches, genotypic (16S rRNA gene sequencing), proteomic (MALDI-TOF MS) and metabolomic (1H-NMR), for the taxonomic and metabolic characterization of Lactobacillus species...
2017: PloS One
https://www.readbyqxmd.com/read/28207444/acute-normovolemic-hemodilution-picking-more-apples-and-oranges
#11
Roman M Sniecinski, Edward J Mascha
No abstract text is available yet for this article.
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28205173/measurement-of-mitochondrial-cholesterol-import-using-a-mitochondria-targeted-cyp11a1-fusion-construct
#12
Barry E Kennedy, Mark Charman, Barbara Karten
All animal membranes require cholesterol as an essential regulator of biophysical properties and function, but the levels of cholesterol vary widely among different subcellular compartments. Mitochondria, and in particular the inner mitochondrial membrane, have the lowest levels of cholesterol in the cell. Nevertheless, mitochondria need cholesterol for membrane maintenance and biogenesis, as well as oxysterol, steroid, and hepatic bile acid production. Alterations in mitochondrial cholesterol have been associated with a range of pathological conditions, including cancer, hepatosteatosis, cardiac ischemia, Alzheimer's, and Niemann-Pick Type C Disease...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28205168/crispr-cas9-mediated-generation-of-niemann-pick-c1-knockout-cell-line
#13
Ximing Du, Ivan Lukmantara, Hongyuan Yang
Generating a cholesterol storage phenotype of Niemann-Pick Type C (NPC) disease is important for investigating the mechanisms of intracellular cholesterol trafficking, as well as screening drugs for potential treatment of NPC disease. The use of the CRISPR/Cas9 technology to knockout specific genes within the genome of mammals has become routine in the past few years. Here, we describe a protocol for producing a cellular NPC cholesterol storage phenotype in HeLa cells using the CRISPR-Cas9 system to disrupt the NPC1 gene...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28204861/factors-influencing-planning-of-a-familiar-grasp-to-an-object-what-it-is-to-pick-a-cup
#14
Elisabeth Rounis, Zuo Zhang, Gloria Pizzamiglio, Mihaela Duta, Glyn Humphreys
We assessed the factors influencing the planning of actions required to manipulate one of two everyday objects with matching dimensions but openings at opposite ends: a cup and a vase. We found that, for cups, measures of movement preparation to reach and grasp the object were influenced by whether the grasp was made to the functional part of the object (wide opening) and whether the action would end in a supinated as opposed to a pronated grasp. These factors interacted such that effects of hand posture were found only when a less familiar grasp was made to the non-functional part of the cup (the base)...
February 16, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28203333/anesthetic-management-in-a-child-with-niemann-pick-disease
#15
Ebrahim Espahbodi, Amir Abbas Yaghooti, Abbas Ostadalipour, Shaqayeq Marashi
Niemann-Pick is a lipid storage disease that results from a lysosomal enzyme deficiency (sphingomyelinase). It has different presentations, and it may affect various organs such as the central nervous system, kidney, liver, and spleen. Due to the complexity of the disease, careful perianesthetic management is necessary in order to reduce the risks and sequels. As there is little evidence available in the literature regarding the anesthetic implications of such patients, in this case report we describe the anesthetic management of a two-year-old female with Niemann-Pick disease...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28203025/-trigemino-cardiac-reflex-in-skull-base-surgery
#16
H Z Duan, Y Zhang, L Li, J Y Zhang, Z Q Yi, S D Bao
OBJECTIVE: To explore the mechanism, clinical features, and prognosis of Trigemino-cardiac reflex (TCR) during skull base operations. METHODS: A retrospective analysis was performed on 291 patients with skull base disease from Jan. 2009 to Oct. 2015 in Peking University First Hospital. By reviewing the patients' operative data and anaesthetic electrical record, and we picked out all the patients who suffered from TCR during the operation and analyzed their surgical procedures, clinical features, influence factors, and prognosis...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28199789/plasma-cholesterol-lowering-activity-of-tartary-buckwheat-protein
#17
Chengnan Zhang, Rui Zhang, Yuk Man Li, Ning Liang, Yimin Zhao, Hanyue Zhu, Zouyan He, Jianhui Liu, Wangjun Hao, Rui Jiao, Ka Ying Ma, Zhen-Yu Chen
Previous research has shown Tartary buckwheat flour is capable of reducing plasma cholesterol. The present study was to examine the effect of rutin and Tartary buckwheat protein on plasma total cholesterol (TC) in hypercholesterolemia hamsters. In the first animal experiment, 40 male hamsters were divided into four groups fed either the control diet or one of the three experimental diets containing 8.2 mmol rutin, 8.2 mmol quercetin, and 2.5 g kg-1 cholestyramine, respectively. Result showed that only cholestyramine but not rutin and its aglycone quercetin decreased plasma TC, suggesting rutin was not the active ingredient responsible for plasma TC-lowering activity of Tartary buckwheat flour...
February 15, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28199495/risk-factors-for-hepatitis-c-virus-reinfection-after-sustained-virologic-response-in-patients-co-infected-with-hiv
#18
Jim Young, Carmine Rossi, John Gill, Sharon Walmsley, Curtis Cooper, Joseph Cox, Valerie Martel-Laferriere, Brian Conway, Neora Pick, Marie-Louise Vachon, Marina B Klein
No abstract text is available yet for this article.
February 12, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28199197/childhood-cancers-and-systems-medicine
#19
William L Stone, Kathryn J Klopfenstein, M J Hajianpour, Marcela I Popescu, Cathleen M Cook, Koymangalath Krishnan
Despite major advances in treatment, pediatric cancers in the 5-16 age group remain the most common cause of disease death, and one out of eight children with cancer will not survive. Among children that do survive, some 60% suffer from late effects such as cancer recurrence and increased risk of obesity. This paper will provide a broad overview of pediatric oncology in the context of systems medicine. Systems medicine utilizes an integrative approach that relies on patient information gained from omics technology...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28198329/show-me-where-it-hurts
#20
Elaine Cole
A tool created by a school nurse to enable children with communication difficulties to express pain and discomfort has been developed into an app that is being used in special schools and hospitals across Wales. Though developed for children, the Show Me Where app has also been picked up by pain management teams as an aid to the care of non-verbal adults, with the Welsh Ambulance Service trialling the tool through its ambulance crews and first responders.
February 15, 2017: Nursing Standard
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