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https://www.readbyqxmd.com/read/27933477/impact-of-low-energy-ct-imaging-on-selection-of-positive-oral-contrast-media-concentration
#1
Manuel Patino, Diana J Murcia, Andrea Prochowski Iamurri, Avinash R Kambadakone, Peter F Hahn, Dushyant V Sahani
OBJECTIVES: To determine to what extent low-energy CT imaging affects attenuation of gastrointestinal tract (GIT) opacified with positive oral contrast media (OCM). Second, to establish optimal OCM concentrations for low-energy diagnostic CT exams. METHODS: One hundred patients (38 men and 62 women; age 62 ± 11 years; BMI 26 ± 5) with positive OCM-enhanced 120-kVp single-energy CT (SECT), and follow-up 100-kVp acquisitions (group A; n = 50), or 40-70-keV reconstructions from rapid kV switching-single-source dual-energy CT (ssDECT) (group B; n = 50) were included...
December 8, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27933324/effect-of-aqueous-storage-on-original-and-repair-bond-strength-and-residual-monomer-release-of-fiberreinforced-composites
#2
Diana Wolff, Michael Coupek, Ralf Erber, Tanja Krueger, Johannes Krisam, Hans Joerg Staehle, Cornelia Frese
PURPOSE: To evaluate the effects of aqueous storage on shear bond strength (SBS) and monomer release of fiberreinforced composites (FRCs). MATERIALS AND METHODS: Four unidirectional FRCs were tested, including one semi-interpenetrating polymer network (IPN) (ES, everStick) and three cross-linked polymer (CLP) FRCs (GT, GrandTec; TF, TenderFiber; DP, Dentapreg). The SBS of samples of original resin to fresh FRC with an intact oxygen inhibition layer (n = 30/group) and repair resin to FRC after surface treatment (n = 30/group) was evaluated after 6 and 12 months of storage in artificial saliva...
December 8, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27933206/improving-inflammatory-arthritis-management-through-tighter-monitoring-of-patients-and-the-use-of-innovative-electronic-tools
#3
REVIEW
Piet van Riel, Rieke Alten, Bernard Combe, Diana Abdulganieva, Paola Bousquet, Molly Courtenay, Cinzia Curiale, Antonio Gómez-Centeno, Glenn Haugeberg, Burkhard Leeb, Kari Puolakka, Angelo Ravelli, Bernhard Rintelen, Piercarlo Sarzi-Puttini
Treating to target by monitoring disease activity and adjusting therapy to attain remission or low disease activity has been shown to lead to improved outcomes in chronic rheumatic diseases such as rheumatoid arthritis and spondyloarthritis. Patient-reported outcomes, used in conjunction with clinical measures, add an important perspective of disease activity as perceived by the patient. Several validated PROs are available for inflammatory arthritis, and advances in electronic patient monitoring tools are helping patients with chronic diseases to self-monitor and assess their symptoms and health...
2016: RMD Open
https://www.readbyqxmd.com/read/27932918/salix-transect-of-europe-variation-in-ploidy-and-genome-size-in-willow-associated-common-nettle-urtica-dioica-l-sens-lat-from-greece-to-arctic-norway
#4
Quentin Cronk, Oriane Hidalgo, Jaume Pellicer, Diana Percy, Ilia J Leitch
BACKGROUND: The common stinging nettle, Urtica dioica L. sensu lato, is an invertebrate "superhost", its clonal patches maintaining large populations of insects and molluscs. It is extremely widespread in Europe and highly variable, and two ploidy levels (diploid and tetraploid) are known. However, geographical patterns in cytotype variation require further study. NEW INFORMATION: We assembled a collection of nettles in conjunction with a transect of Europe from the Aegean to Arctic Norway (primarily conducted to examine the diversity of Salix and Salix-associated insects)...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27932498/harnessing-molecular-motors-for-nanoscale-pulldown-in-live-cells
#5
Jonathan E Bird, Melanie Barzik, Meghan C Drummond, Daniel C Sutton, Spencer M Goodman, Eva L Morozko, Stacey M Cole, Alexandra K Boukhvalova, Jennifer Skidmore, Diana Syam, Elizabeth A Wilson, Tracy Fitzgerald, Atteeq U Rehman, Donna M Martin, Erich T Boger, Inna A Belyantseva, Thomas B Friedman
Protein-protein interactions (PPIs) regulate assembly of macromolecular complexes, yet these remain challenging to study within the native cytoplasm where they normally exert their biological effect. Here, we miniaturize the concept of affinity pulldown, a gold-standard in vitro PPI interrogation technique, to perform nanoscale pulldowns (NanoSPD) within living cells. NanoSPD hijacks the normal process of intracellular trafficking by myosin motors to forcibly pull fluorescently-tagged protein complexes along filopodial actin filaments...
December 8, 2016: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/27932443/pd-l1-blockade-enhances-response-of-pancreatic-ductal-adenocarcinoma-to-radiotherapy
#6
Abul Azad, Su Yin Lim, Zenobia D'Costa, Keaton Jones, Angela Diana, Owen J Sansom, Philipp Kruger, Stanley Liu, W Gillies McKenna, Omer Dushek, Ruth J Muschel, Emmanouil Fokas
Pancreatic ductal adenocarcinoma (PDAC) is considered a non-immunogenic tumor, and immune checkpoint inhibitor monotherapy lacks efficacy in this disease. Radiotherapy (RT) can stimulate the immune system. Here, we show that treatment of KPC and Pan02 murine PDAC cells with RT and gemcitabine upregulated PD-L1 expression in a JAK/Stat1-dependent manner. In vitro, PD-L1 inhibition did not alter radio- and chemosensitivity. In vivo, addition of anti-PD-L1 to high (12, 5 × 3, 20 Gy) but not low (6, 5 × 2 Gy) RT doses significantly improved tumor response in KPC and Pan02 allografts...
December 8, 2016: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/27932192/dobutamine-stress-echocardiography-speckle-tracking-imaging-in-the-assessment-of-hemodynamic-significance-of-coronary-artery-stenosis-in-patients-with-moderate-and-high-probability-of-coronary-artery-disease
#7
Eglė Rumbinaitė, Diana Žaliaduonytė-Pekšienė, Mindaugas Vieželis, Indrė Čeponienė, Tomas Lapinskas, Rūta Žvirblytė, Jonė Venclovienė, Kristina Morkūnaitė, Augustinas Bielinis, Rimvydas Šlapikas, Jolanta Justina Vaškelytė
BACKGROUND AND OBJECTIVE: Myocardial deformation indices are considered as sensitive markers of ischemia and may be useful in the quantification of hemodynamic significance of coronary artery disease (CAD). We sought to determine the diagnostic value of speckle-tracking echocardiography derived myocardial deformation parameters at rest and during stress to determine hemodynamically significance coronary artery stenosis in patients with moderate and high probability of CAD. MATERIALS AND METHODS: In 81 patients (mean age, 64±8...
November 25, 2016: Medicina
https://www.readbyqxmd.com/read/27931862/new-recommendations-for-pneumococcal-vaccination-in-patients-with-autoimmune-and-inflammatory-diseases
#8
Diana Hernández-Flórez, Roberto González-Benítez, Lara Valor
No abstract text is available yet for this article.
December 5, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27931785/structure-biocompatibility-and-transfection-activity-relationships-of-cationic-polyaspartamides-with-dialkylamino-alkyl-and-alkyl-or-hydroxyalkyl-side-groups
#9
Diana Salakhieva, Vesta Shevchenko, Csaba Németh, Benjámin Gyarmati, András Szilágyi, Timur Abdullin
A series of 14 cationic derivatives of poly(aspartic acid) i.e. cationic polyaspartamides with different (dialkylamino)alkyl and alkyl or hydroxyalkyl side groups was synthesized by nucleophilic addition on polysuccinimide. The resulting polyaspartamides have moderate amphiphilic properties. Relationships between the structure and ratio of side groups and in vitro properties of polyaspartamides, including their cytotoxic and membrane-damaging activity towards human cell lines, primary skin fibroblasts and erythrocytes, were established and discussed...
December 5, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27931238/elaboration-of-a-nomogram-to-predict-nonsentinel-node-status-in-breast-cancer-patients-with-positive-sentinel-node-intraoperatively-assessed-with-one-step-nucleic-amplification-retrospective-and-validation-phase
#10
Franco Di Filippo, Simona Di Filippo, Anna Maria Ferrari, Raffaele Antonetti, Alessandro Battaglia, Francesca Becherini, Laia Bernet, Renzo Boldorini, Catherine Bouteille, Simonetta Buglioni, Paolo Burelli, Rafael Cano, Vincenzo Canzonieri, Pierluigi Chiodera, Alfredo Cirilli, Luigi Coppola, Stefano Drago, Luca Di Tommaso, Privato Fenaroli, Roberto Franchini, Andrea Gianatti, Diana Giannarelli, Carmela Giardina, Florence Godey, Massimo M Grassi, Giuseppe B Grassi, Siobhan Laws, Samuele Massarut, Giuseppe Naccarato, Maria Iole Natalicchio, Sergio Orefice, Fabrizio Palmieri, Tiziana Perin, Manuela Roncella, Massimo G Roncalli, Antonio Rulli, Angelo Sidoni, Corrado Tinterri, Maria C Truglia, Isabella Sperduti
BACKGROUND: Tumor-positive sentinel lymph node (SLN) biopsy results in a risk of non sentinel node metastases in micro- and macro-metastases ranging from 20 to 50%, respectively. Therefore, most patients underwent unnecessary axillary lymph node dissections. We have previously developed a mathematical model for predicting patient-specific risk of non sentinel node (NSN) metastases based on 2460 patients. The study reports the results of the validation phase where a total of 1945 patients were enrolled, aimed at identifying a tool that gives the possibility to the surgeon to choose intraoperatively whether to perform or not axillary lymph node dissection (ALND)...
December 8, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27930746/perinatal-natural-history-of-the-ts1cje-mouse-model-of-down-syndrome-growth-restriction-early-mortality-heart-defects-and-delayed-development
#11
Millie A Ferrés, Diana W Bianchi, Ashley E Siegel, Roderick T Bronson, Gordon S Huggins, Faycal Guedj
BACKGROUND: The Ts1Cje model of Down syndrome is of particular interest for perinatal studies because affected males are fertile. This permits affected pups to be carried in wild-type females, which is similar to human pregnancies. Here we describe the early natural history and growth profiles of Ts1Cje embryos and neonates and determine if heart defects are present in this strain. METHODS: Pups were studied either on embryonic (E) day 15.5, or from postnatal (P) day 3 through weaning on P21...
2016: PloS One
https://www.readbyqxmd.com/read/27930694/influence-of-fasting-status-and-sample-preparation-on-metabolic-biomarker-measurements-in-postmenopausal-women
#12
Neil Murphy, Roni T Falk, Diana B Messinger, Michael Pollak, Xiaonan Xue, Juan Lin, Robin Sgueglia, Howard D Strickler, Mia M Gaudet, Marc J Gunter
BACKGROUND: Epidemiologic data linking metabolic markers-such as insulin, insulin-like growth factors (IGFs)-and adipose tissue-derived factors with cancer are inconsistent. Between-study differences in blood collection protocols, in particular participant's fasting status, may influence measurements. METHODS: We investigated the impact of fasting status and blood sample processing time on components of the insulin/IGF axis and in adipokines in a controlled feeding study of 45 healthy postmenopausal-women aged 50-75 years...
2016: PloS One
https://www.readbyqxmd.com/read/27929753/generation-and-characterization-of-abbv642-a-dual-variable-domain-immunoglobulin-molecule-dvd-ig-that-potently-neutralizes-vegf-and-pdgf-bb-and-is-designed-for-the-treatment-of-exudative-age-related-macular-degeneration
#13
Kun Ding, Lucia Eaton, Diana Bowley, Matthew Rieser, Qing Chang, Maria C Harris, Anca Clabbers, Feng Dong, Jikui Shen, Sean F Hackett, Debra S Touw, Jacqueline Bixby, Suju Zhong, Lorenzo Benatuil, Sahana Bose, Christine Grinnell, Gregory M Preston, Ramesh Iyer, Ramkrishna Sadhukhan, Susan Marchie, Gary Overmeyer, Tariq Ghayur, Deborah A van Riet, Shibo Tang, Peter A Campochario, Jijie Gu
Exudative age-related macular degeneration (AMD) is the most common cause of moderate and severe vision loss in developed countries. Intraocular injections of vascular endothelial growth factor (VEGF or VEGF-A)-neutralizing proteins provide substantial benefit, but frequent, long-term injections are needed. In addition, many patients experience initial visual gains that are ultimately lost due to subretinal fibrosis. Preclinical studies and early phase clinical trials suggest that combined suppression of VEGF and platelet-derived growth factor-BB (PDGF-BB) provides better outcomes than suppression of VEGF alone, due to more frequent regression of neovascularization (NV) and suppression of subretinal fibrosis...
December 8, 2016: MAbs
https://www.readbyqxmd.com/read/27929751/recommended-vaccinations-for-asplenic-and-hyposplenic-adult-patients
#14
Paolo Bonanni, Maddalena Grazzini, Giuditta Niccolai, Diana Paolini, Ornella Varone, Alessandro Bartoloni, Bartalesi Filippo, Maria Grazia Santini, Simonetta Baretti, Carlo Bonito, Paola Zini, Mechi Maria Teresa, Niccolini Fabrizio, Magistri Lea, Pulci Maria Beatrice, Sara Boccalini, Angela Bechini
Asplenic or hyposplenic (AH) individuals are particularly vulnerable to invasive infections caused by encapsulated bacteria. Such infections have often a sudden onset and a fulminant course. Infectious diseases (IDs) incidence in AH subjects can be reduced by preventive measures such as vaccination. The aim of our work is to provide updated recommendations on prevention of infectious diseases in AH adult patients, and to supply a useful and practical tool to healthcare workers for the management of these subjects, in hospital setting and in outpatients consultation...
December 8, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27929465/using-multi-fluorinated-bile-acids-and-in-vivo-magnetic-resonance-imaging-to-measure-bile-acid-transport
#15
Jessica Felton, Kunrong Cheng, Anan Said, Aaron C Shang, Su Xu, Diana Vivian, Melissa Metry, James E Polli, Jean-Pierre Raufman
Along with their traditional role as detergents that facilitate fat absorption, emerging literature indicates that bile acids are potent signaling molecules that affect multiple organs; they modulate gut motility and hormone production, and alter vascular tone, glucose metabolism, lipid metabolism, and energy utilization. Changes in fecal bile acids may alter the gut microbiome and promote colon pathology including cholerrheic diarrhea and colon cancer. Key regulators of fecal bile acid composition are the small intestinal Apical Sodium-dependent Bile Acid Transporter (ASBT) and fibroblast growth factor-19 (FGF19)...
November 27, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27929464/labeling-of-breast-cancer-patient-derived-xenografts-with-traceable-reporters-for-tumor-growth-and-metastasis-studies
#16
Colton Hanna, Letty Kwok, Jessica Finlay-Schultz, Carol A Sartorius, Diana M Cittelly
The use of preclinical models to study tumor biology and response to treatment is central to cancer research. Long-established human cell lines, and many transgenic mouse models, often fail to recapitulate the key aspects of human malignancies. Thus, alternative models that better represent the heterogeneity of patients' tumors and their metastases are being developed. Patient-derived xenograft (PDX) models in which surgically resected tumor samples are engrafted into immunocompromised mice have become an attractive alternative as they can be transplanted through multiple generations,and more efficiently reflect tumor heterogeneity than xenografts derived from human cancer cell lines...
November 30, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27928862/first-trimester-pregnancy-loss-clinical-implications-of-genetic-testing
#17
REVIEW
Diana Massalska, Janusz Grzegorz Zimowski, Julia Bijok, Magdalena Pawelec, Małgorzata Czubak-Barlik, Grzegorz Jakiel, Tomasz Roszkowski
Around 10-15% of pregnancies result in a spontaneous first trimester miscarriage, which is most frequently caused by chromosomal abnormalities, mainly aneuploidies. Genetic analysis of pregnancy loss includes conventional G-banding karyotyping and various molecular methods. Apart from variable methodological limitations, the effectiveness of genetic analysis depends on the type and quality of the tested sample. To improve the reliability of genetic testing, we present methods of appropriate collection and pre-laboratory preparation of chorionic villi from first trimester miscarriage...
December 8, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27927904/parental-control-begins-at-the-beginning
#18
Diana Chu
No abstract text is available yet for this article.
December 2016: Genetics
https://www.readbyqxmd.com/read/27927249/the-af-1-deficient-estrogen-receptor-er%C3%AE-46-isoform-is-frequently-expressed-in-human-breast-tumors
#19
Elodie Chantalat, Frédéric Boudou, Henrik Laurell, Gaëlle Palierne, René Houtman, Diana Melchers, Philippe Rochaix, Thomas Filleron, Alexandre Stella, Odile Burlet-Schiltz, Anne Brouchet, Gilles Flouriot, Raphaël Métivier, Jean-François Arnal, Coralie Fontaine, Françoise Lenfant
BACKGROUND: To date, all studies conducted on breast cancer diagnosis have focused on the expression of the full-length 66-kDa estrogen receptor alpha (ERα66). However, much less attention has been paid to a shorter 46-kDa isoform (ERα46), devoid of the N-terminal region containing the transactivation function AF-1. Here, we investigated the expression levels of ERα46 in breast tumors in relation to tumor grade and size, and examined the mechanism of its generation and its specificities of coregulatory binding and its functional activities...
December 7, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27927187/the-importance-of-proteinuria-and-prior-cardiovascular-disease-in-all-major-clinical-outcomes-of-atherosclerotic-renovascular-disease-a-single-center-observational-study
#20
Diana Vassallo, James Ritchie, Darren Green, Constantina Chrysochou, Joseph Blunt, Philip A Kalra
BACKGROUND: Identification of patients at risk of developing adverse events would enable aggressive medical therapy and possibly targeted revascularization. The aim of this study is to characterize the determinants of long-term outcomes in atherosclerotic renovascular disease (ARVD). METHODS: Patients with a radiological diagnosis of ARVD were recruited into this single-center prospective cohort study between 1986 and 2014. Data collected included baseline co-morbid conditions, annualized prescribed medications and laboratory data (serum creatinine [υmol/L], proteinuria [g/24 h])...
December 7, 2016: BMC Nephrology
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