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https://www.readbyqxmd.com/read/28103644/flow-cytometric-osmotic-fragility-test-increased-assay-sensitivity-for-clinical-application-in-pediatric-hematology
#1
Olga Ciepiela, Anna Adamowicz-Salach, Agata Zgodzińska, Magdalena Łazowska, Iwona Kotuła
BACKGROUND: Osmotic Fragility Test (OFT) is widely considered as a sensitive indicator of red blood cells' sensitivity to the hypotonic solution. It is often used as a screening test for the diagnosis of hereditary spherocytosis (HS). Nowadays, the osmotic fragility test based on flow cytometric analysis (FCM OF) is widely used in laboratory practice. The purpose of this study was to optimize the assay sensitivity and to validate its clinical application in the diagnostic screening of childhood anemias...
January 19, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28103614/enrichment-of-putative-pax8-target-genes-at-serous-epithelial-ovarian-cancer-susceptibility-loci
#2
Siddhartha P Kar, Emily Adler, Jonathan Tyrer, Dennis Hazelett, Hoda Anton-Culver, Elisa V Bandera, Matthias W Beckmann, Andrew Berchuck, Natalia Bogdanova, Louise Brinton, Ralf Butzow, Ian Campbell, Karen Carty, Jenny Chang-Claude, Linda S Cook, Daniel W Cramer, Julie M Cunningham, Agnieszka Dansonka-Mieszkowska, Jennifer Anne Doherty, Thilo Dörk, Matthias Dürst, Diana Eccles, Peter A Fasching, James Flanagan, Aleksandra Gentry-Maharaj, Rosalind Glasspool, Ellen L Goode, Marc T Goodman, Jacek Gronwald, Florian Heitz, Michelle A T Hildebrandt, Estrid Høgdall, Claus K Høgdall, David G Huntsman, Allan Jensen, Beth Y Karlan, Linda E Kelemen, Lambertus A Kiemeney, Susanne K Kjaer, Jolanta Kupryjanczyk, Diether Lambrechts, Douglas A Levine, Qiyuan Li, Jolanta Lissowska, Karen H Lu, Jan Lubiński, Leon F A G Massuger, Valerie McGuire, Iain McNeish, Usha Menon, Francesmary Modugno, Alvaro N Monteiro, Kirsten B Moysich, Roberta B Ness, Heli Nevanlinna, James Paul, Celeste L Pearce, Tanja Pejovic, Jennifer B Permuth, Catherine Phelan, Malcolm C Pike, Elizabeth M Poole, Susan J Ramus, Harvey A Risch, Mary Anne Rossing, Helga B Salvesen, Joellen M Schildkraut, Thomas A Sellers, Mark Sherman, Nadeem Siddiqui, Weiva Sieh, Honglin Song, Melissa Southey, Kathryn L Terry, Shelley S Tworoger, Christine Walsh, Nicolas Wentzensen, Alice S Whittemore, Anna H Wu, Hannah Yang, Wei Zheng, Argyrios Ziogas, Matthew L Freedman, Simon A Gayther, Paul D P Pharoah, Kate Lawrenson
BACKGROUND: Genome-wide association studies (GWAS) have identified 18 loci associated with serous ovarian cancer (SOC) susceptibility but the biological mechanisms driving these findings remain poorly characterised. Germline cancer risk loci may be enriched for target genes of transcription factors (TFs) critical to somatic tumorigenesis. METHODS: All 615 TF-target sets from the Molecular Signatures Database were evaluated using gene set enrichment analysis (GSEA) and three GWAS for SOC risk: discovery (2196 cases/4396 controls), replication (7035 cases/21 693 controls; independent from discovery), and combined (9627 cases/30 845 controls; including additional individuals)...
January 19, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28103600/indicators-of-adiposity-predictors-of-metabolic-syndrome-in-the-elderly
#3
Carolina Cunha de Oliveira, Anna Karla C Roriz, Lilian B Ramos, Mansueto Gomes Neto
BACKGROUND: Adiposity indicators can be used as predictors of cardiovascular risk in the elderly. However, there are only a very few studies that deal with the accuracy of adiposity indicators as predictors of metabolic syndrome (MS) in the elderly. We evaluated the performance of adiposity indicators of MS prediction in the elderly. METHODS: A cross-sectional study with 203 elderly people of both genders. VARIABLES: MS defined by harmonized criteria, waist circumference (WC), waist-to-height ratio (WHtR), conicity index (CI), lipid accumulation product (LAP), and visceral adiposity index (VAI)...
January 20, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28103321/derivative-of-extremophilic-50s-ribosomal-protein-l35ae-as-an-alternative-protein-scaffold
#4
Anna V Lomonosova, Andrei B Ulitin, Alexei S Kazakov, Tajib A Mirzabekov, Eugene A Permyakov, Sergei E Permyakov
Small antibody mimetics, or alternative binding proteins (ABPs), extend and complement antibody functionality with numerous applications in research, diagnostics and therapeutics. Given the superiority of ABPs, the last two decades have witnessed development of dozens of alternative protein scaffolds (APSs) for the design of ABPs. Proteins from extremophiles with their high structural stability are especially favorable for APS design. Here, a 10X mutant of the 50S ribosomal protein L35Ae from hyperthermophilic archaea Pyrococcus horikoshii has been probed as an APS...
2017: PloS One
https://www.readbyqxmd.com/read/28103306/a-superoxide-dismutase-capable-of-functioning-with-iron-or-manganese-promotes-the-resistance-of-staphylococcus-aureus-to-calprotectin-and-nutritional-immunity
#5
Yuritzi M Garcia, Anna Barwinska-Sendra, Emma Tarrant, Eric P Skaar, Kevin J Waldron, Thomas E Kehl-Fie
Staphylococcus aureus is a devastating mammalian pathogen for which the development of new therapeutic approaches is urgently needed due to the prevalence of antibiotic resistance. During infection pathogens must overcome the dual threats of host-imposed manganese starvation, termed nutritional immunity, and the oxidative burst of immune cells. These defenses function synergistically, as host-imposed manganese starvation reduces activity of the manganese-dependent enzyme superoxide dismutase (SOD). S. aureus expresses two SODs, denoted SodA and SodM...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28103272/prevalence-and-determinants-of-oral-human-papillomavirus-infection-in-500-young-adults-from-italy
#6
Valentina Lupato, Dana Holzinger, Daniela Höfler, Anna Menegaldo, Paolo Giorgi Rossi, Annarosa Del Mistro, Maria Cristina Da Mosto, Michael Pawlita, Paolo Boscolo-Rizzo
Although the prevalence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is increasing in developed countries and becoming a relevant health issue, the natural history of oral HPV infection is still unclear. Estimating the infection's prevalence in specific populations and identifying risk factors can widen our understanding of its natural history and help to delineate appropriate prevention strategies. This study sought to (i) determine oral HPV prevalence and genotype distribution in a large series of young Italian adults, (ii) validate an oral rinse sampling/storage protocol, and (iii) pinpoint factors associated with oral HPV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28103214/association-between-the-real-cost-media-campaign-and-smoking-initiation-among-youths-united-states-2014-2016
#7
Matthew C Farrelly, Jennifer C Duke, James Nonnemaker, Anna J MacMonegle, Tesfa N Alexander, Xiaoquan Zhao, Janine C Delahanty, Pamela Rao, Jane A Allen
In the United States, approximately 900,000 youths smoke their first cigarette each year (1). Health communication interventions are evidence-based strategies for preventing the initiation of tobacco use, promoting and facilitating cessation, and changing beliefs and attitudes about tobacco use (2,3). This report describes the association between the Food and Drug Administration's (FDA's) first national tobacco public education campaign, The Real Cost, and rates of smoking initiation among youths in the United States from 2014 to 2016...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28103212/coverage-with-tetanus-diphtheria-and-acellular-pertussis-vaccine-and-influenza-vaccine-among-pregnant-women-minnesota-march-2013-december-2014
#8
Alexandra Barber, Miriam Halstead Muscoplat, Anna Fedorowicz
Pertussis and influenza infections can result in severe disease in infants. The diphtheria, tetanus, acellular pertussis (DTaP) vaccine is recommended for infants beginning at age 2 months, and influenza vaccine is recommended for infants aged ≥6 months. Vaccination of pregnant women induces the production of antibodies that are transferred across the placenta to the fetus and provide passive protection until infants are old enough to receive DTaP and influenza vaccines (1-3). To protect young infants before they are age-eligible for vaccination, the Advisory Committee on Immunization Practices (ACIP) has recommended since 2004 that all women who are or will be pregnant during influenza season receive inactivated influenza vaccine (1), and since 2013 that all pregnant women receive the tetanus, diphtheria, acellular pertussis (Tdap) vaccine (3)...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28103080/organization-of-bbmri-pl-the-polish-biobanking-network
#9
Małgorzata Witoń, Dominik Strapagiel, Joanna Gleńska-Olender, Anna Chróścicka, Katarzyna Ferdyn, Jarosław Skokowski, Leszek Kalinowski, Jakub Pawlikowski, Błażej Marciniak, Markus Pasterk, Agnieszka Matera-Witkiewicz, Łukasz Kozera
In Poland storage of human biological samples takes place at most universities and scientific institutions conducting research projects in the field of biomedicine. The First International Biobanking Conference organized by the Ministry of Science and Higher Education in 2014 shed a light on the situation of Polish biobanking infrastructures. The country has around 40 large biorepositories, which store unique biological material such as whole brains, muscle fibers from patients with rare diseases, as well as thousands of samples from patients with lifestyle diseases...
January 19, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28103060/a-new-algorithm-using-the-non-dominated-tree-to-improve-non-dominated-sorting
#10
Patrik Gustavsson, Anna Syberfeldt
Non-dominated sorting is a technique often used in evolutionary algorithms to determine the quality of solutions in a population. The most common algorithm is the Fast Non-dominated Sort (FNS). This algorithm, however, has the drawback that its performance deteriorates when the population size grows. The same drawback applies also to other non-dominating sorting algorithms such as the Efficient Non-dominated Sort with Binary Strategy (ENS-BS). An algorithm suggested to overcome this drawback is the Divide-and-Conquer Non-dominated Sort (DCNS) which works well on a limited number of objectives but deteriorates when the number of objectives grows...
January 19, 2017: Evolutionary Computation
https://www.readbyqxmd.com/read/28103022/discovery-of-a-novel-series-of-orally-bioavailable-and-cns-penetrant-glucagon-like-peptide-1-receptor-glp-1r-non-competitive-antagonists-based-on-a-1-3-disubstituted-7-aryl-5-5-bis-trifluoromethyl-5-8-dihydropyrimido-4-5-d-pyrimidine-2-4-1h-3h-dione-core
#11
Kellie D Nance, Emily L Days, C David Weaver, Anastasia Coldren, Tiffany D Farmer, Hyekyung P Cho, Colleen M Niswender, Anna L Blobaum, Kevin D Niswender, Craig W Lindsley
A duplexed, functional multi-addition high throughput screen and subsequent optimization effort identified the first orally bioavailable and CNS penetrant glucagon-like peptide-1 receptor (GLP-1R) non-competitive antagonist. Antagonist 5d not only blocked Exendin-4-stimulated insulin release in islets, but also lowered insulin levels while increasing blood glucose in vivo.
January 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28102936/unbiased-and-quantitative-proteomics-reveals-highly-increased-angiogenesis-induction-by-the-secretome-of-mesenchymal-stromal-cells-isolated-from-fetal-rather-than-adult-skin
#12
Massimiliano Gaetani, Cinzia Maria Chinnici, Anna Paola Carreca, Claudia Di Pasquale, Giandomenico Amico, Pier Giulio Conaldi
Scarless wound healing and functional regeneration are typical processes of the fetus, gradually lost during post-natal life, and maximally attributed to fetal skin tissue and induced by fetal skin fibroblasts. The latter have been successfully applied to post-natal wounds, with clear advantages compared with autologous dermis grafts or adult fibroblast applications. Our goal was to functionally identify and uncover key factors and mechanisms through the analysis of secretomes, the principal players in all cell therapies based on mesenchymal stromal cells (MSCs)...
January 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28102934/crosstalk-between-angiotensin-and-the-non-amyloidogenic-pathway-of-alzheimer-s-amyloid-precursor-protein
#13
Anna Maria Kanarek, Annika Wagner, Jim Küppers, Michael Gütschow, Rolf Postina, Elzbieta Kojro
The association between hypertension and an increased risk for Alzheimer's disease (AD) and dementia is well established. Many data suggest that modulation of the renin-angiotensin system may be meaningful for the prevention and therapy of neurodegenerative disorders, in particular AD. Proteolytic cleavage of the amyloid precursor protein (APP) by α-secretase precludes formation of neurotoxic Aβ peptides and is expected to counteract the development of AD. An established approach for the up-regulation of α-secretase cleavage is activation of G protein-coupled receptors (GPCRs)...
January 19, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28102911/glutathione-peroxidase-like-enzymes-cover-five-distinct-cell-compartments-and-membrane-surfaces-in-arabidopsis-thaliana
#14
Safira Attacha, David Solbach, Krisztina Bela, Anna Moseler, Stephan Wagner, Markus Schwarzländer, Isabel Aller, Stefanie J Müller, Andreas J Meyer
Glutathione peroxidase-like enzymes (GPXLs) constitute a family of eight peroxidases in Arabidopsis thaliana. In contrast to the eponymous selenocysteine glutathione peroxidases (GPXs) in mammalian cells which use glutathione as electron donor, GPXLs rely on cysteine instead of selenocysteine for activity and depend on the thioredoxin system for reduction. Although plant GPXLs have been implicated in important agronomic traits such as drought tolerance, photooxidative tolerance and immune responses there remain major ambiguities regarding their subcellular localization...
January 19, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28102838/autophagy-dysregulation-in-danon-disease
#15
Anna Chiara Nascimbeni, Marina Fanin, Corrado Angelini, Marco Sandri
The autophagy-lysosome system is critical for muscle homeostasis and defects in lysosomal function result in a number of inherited muscle diseases, generally referred to as autophagic vacuolar myopathies (AVMs). Among them, Danon Disease (DD) and glycogen storage disease type II (GSDII) are due to primary lysosomal protein defects. DD is characterized by mutations in the lysosome-associated membrane protein 2 (LAMP2) gene. The DD mouse model suggests that inefficient lysosome biogenesis/maturation and impairment of autophagosome-lysosome fusion contribute to the pathogenesis of muscle wasting...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102598/novel-findings-of-left-ventricular-non-compaction-cardiomyopathy-microform-cleft-lip-and-poor-vision-in-patient-with-smc1a-associated-cornelia-de-lange-syndrome
#16
Tara L Wenger, Penny Chow, Stephanie C Randle, Anna Rosen, Craig Birgfeld, Joanna Wrede, Patrick Javid, Darcy King, Vivian Manh, Anne V Hing, Erin Albers
Relatively few patients with Cornelia de Lange syndrome (CdLS) due to SMC1A mutation have been reported, limiting understanding of the full extent of the phenotype. Compared to children with classic NIPBL-associated CdLS, patients with SMC1A-associated CdLS have a milder physical phenotype with prominent intellectual disability, high rate of cleft palate and absence of limb reductions. We present a patient with SMC1A-associated CdLS who had typical features including developmental delay, seizure disorder, feeding difficulties, hirsutism, and cleft palate...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28102549/enhancing-capillary-blood-collection-the-influence-of-nicotinic-acid-and-nonivamide
#17
Christian Moro, Jessica Bass, Anna Mae Scott, Elisa F D Canetti
BACKGROUND: Nicotinic acid and nonivamide are often applied topically during capillary blood collection to induce vasodilation. These molecules may have an influence on immune effector cell activity in nearby tissues. This study investigates whether the induction of flushing by nicotinic acid and nonivamide causes an inflammatory response that influences the composition of immune cells present in a capillary blood sample. METHODS: Females aged between 18 and 30 years old provided capillary blood samples...
January 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28102380/novel-high-temperature-ferroelectric-domain-morphology-in-pbtio3-ultrathin-films
#18
Jacob B J Chapman, Anna V Kimmel, Dorothy M Duffy
Exotic domain morphologies in ferroic materials are an exciting avenue for the development of novel nanoelectronics. In this work we have used large scale molecular dynamics to construct a strain-temperature phase diagram of the domain morphology of PbTiO3 ultrathin films. Sampling a wide interval of strain values over a temperature range up to the Curie temperature Tc, we found that epitaxial strain induces the formation of a variety of closure- and in-plane domain morphologies. The local strain and ferroelectric-antiferrodistortive coupling at the film surface vary for the strain mediated transition sequence and this could offer a route for experimental observation of the morphologies...
January 19, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28102343/individualised-multiplexed-circulating-tumour-dna-assays-for-monitoring-of-tumour-presence-in-patients-after-colorectal-cancer-surgery
#19
Sarah B Ng, Clarinda Chua, Matthew Ng, Anna Gan, Polly Sy Poon, Melissa Teo, Cherylin Fu, Wei Qiang Leow, Kiat Hon Lim, Alexander Chung, Si-Lin Koo, Su Pin Choo, Danliang Ho, Steve Rozen, Patrick Tan, Mark Wong, William F Burkholder, Iain Beehuat Tan
Circulating tumour DNA (ctDNA) has the potential to be a specific biomarker for the monitoring of tumours in patients with colorectal cancer (CRC). Here, our aim was to develop a personalised surveillance strategy to monitor the clinical course of CRC after surgery. We developed patient-specific ctDNA assays based on multiplexed detection of somatic mutations identified from patient primary tumours, and applied them to detect ctDNA in 44 CRC patients, analysing a total of 260 plasma samples. We found that ctDNA detection correlated with clinical events - it is detectable in pre-operative but not post-operative plasma, and also in patients with recurrent CRC...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102336/differential-effects-of-phytotherapic-preparations-in-the-hsod1-drosophila-melanogaster-model-of-als
#20
Francescaelena De Rose, Roberto Marotta, Giuseppe Talani, Tiziano Catelani, Paolo Solari, Simone Poddighe, Giuseppe Borghero, Francesco Marrosu, Enrico Sanna, Sanjay Kasture, Elio Acquas, Anna Liscia
The present study was aimed at characterizing the effects of Withania somnifera (Wse) and Mucuna pruriens (Mpe) on a Drosophila melanogaster model for Amyotrophic Lateral Sclerosis (ALS). In particular, the effects of Wse and Mpe were assessed following feeding the flies selectively overexpressing the wild human copper, zinc-superoxide dismutase (hSOD1-gain-of-function) in Drosophila motoneurons. Although ALS-hSOD1 mutants showed no impairment in life span, with respect to GAL4 controls, the results revealed impairment of climbing behaviour, muscle electrophysiological parameters (latency and amplitude of ePSPs) as well as thoracic ganglia mitochondrial functions...
January 19, 2017: Scientific Reports
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