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https://www.readbyqxmd.com/read/28636699/dynamic-measurements-of-flowing-cells-labeled-by-gold-nanoparticles-using-full-field-photothermal-interferometric-imaging
#1
Nir A Turko, Darina Roitshtain, Omry Blum, Björn Kemper, Natan T Shaked
No abstract text is available yet for this article.
June 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28632490/the-florence-statement-on-triclosan-and-triclocarban
#2
Rolf U Halden, Avery E Lindeman, Allison E Aiello, David Andrews, William A Arnold, Patricia Fair, Rebecca E Fuoco, Laura A Geer, Paula I Johnson, Rainer Lohmann, Kristopher McNeill, Victoria P Sacks, Ted Schettler, Roland Weber, R Thomas Zoeller, Arlene Blum
The Florence Statement on Triclosan and Triclocarban documents a consensus of more than 200 scientists and medical professionals on the hazards of and lack of demonstrated benefit from common uses of triclosan and triclocarban. These chemicals may be used in thousands of personal care and consumer products as well as in building materials. Based on extensive peer-reviewed research, this statement concludes that triclosan and triclocarban are environmentally persistent endocrine disruptors that bioaccumulate in and are toxic to aquatic and other organisms...
June 20, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28628606/splicing-stimulates-sirna-formation-at-drosophila-dna-double-strand-breaks
#3
Karin Merk, Marco Breinig, Romy Böttcher, Stefan Krebs, Helmut Blum, Michael Boutros, Klaus Förstemann
DNA double-strand breaks trigger the production of locus-derived siRNAs in fruit flies, human cells and plants. At least in flies, their biogenesis depends on active transcription running towards the break. Since siRNAs derive from a double-stranded RNA precursor, a major question is how broken DNA ends can generate matching sense and antisense transcripts. We performed a genome-wide RNAi-screen in cultured Drosophila cells, which revealed that in addition to DNA repair factors, many spliceosome components are required for efficient siRNA generation...
June 19, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28628563/recurrence-risk-stratification-after-preoperative-chemoradiation-of-esophageal-adenocarcinoma
#4
Mian Xi, Christopher L Hallemeier, Kenneth W Merrell, Zhongxing Liao, Mariela A Blum Murphy, Linus Ho, Wayne L Hofstetter, Reza Mehran, Jeffrey H Lee, Manoop S Bhutani, Brian Weston, Dipen M Maru, Ritsuko Komaki, Jaffer A Ajani, Steven H Lin
OBJECTIVE: To discern recurrence risk stratification and investigate its influence on postoperative surveillance in patients with esophageal adenocarcinoma (EAC) after neoadjuvant chemoradiotherapy (CRT). BACKGROUND: Reports documenting recurrence risk stratification in EAC after neoadjuvant CRT are scarce. METHODS: Between 1998 and 2014, 601 patients with EAC who underwent neoadjuvant CRT followed by esophagectomy were included for analysis...
June 16, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28628098/short-chain-alkanes-fuel-mussel-and-sponge-cycloclasticus-symbionts-from-deep-sea-gas-and-oil-seeps
#5
Maxim Rubin-Blum, Chakkiath Paul Antony, Christian Borowski, Lizbeth Sayavedra, Thomas Pape, Heiko Sahling, Gerhard Bohrmann, Manuel Kleiner, Molly C Redmond, David L Valentine, Nicole Dubilier
Cycloclasticus bacteria are ubiquitous in oil-rich regions of the ocean and are known for their ability to degrade polycyclic aromatic hydrocarbons (PAHs). In this study, we describe Cycloclasticus that have established a symbiosis with Bathymodiolus heckerae mussels and poecilosclerid sponges from asphalt-rich, deep-sea oil seeps at Campeche Knolls in the southern Gulf of Mexico. Genomic and transcriptomic analyses revealed that, in contrast to all previously known Cycloclasticus, the symbiotic Cycloclasticus appears to lack the genes needed for PAH degradation...
June 19, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28627024/the-applicability-of-a-weight-loss-grading-system-in-cancer-cachexia-a-longitudinal-analysis
#6
Ola Magne Vagnildhaug, David Blum, Andrew Wilcock, Peter Fayers, Florian Strasser, Vickie E Baracos, Marianne J Hjermstad, Stein Kaasa, Barry Laird, Tora S Solheim
BACKGROUND: A body mass index (BMI) adjusted weight loss grading system (WLGS) is related to survival in patients with cancer. The aim of this study was to examine the applicability of the WLGS by confirming its prognostic validity, evaluating its relationship to cachexia domains, and exploring its ability to predict cachexia progression. METHODS: An international, prospective observational study of patients with incurable cancer was conducted. For each patient, weight loss grade was scored 0-4...
June 18, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28624574/evidence-for-a-pharmacokinetic-interaction-between-eslicarbazepine-and-rosuvastatin-potential-effects-on-xenobiotic-transporters
#7
Barry E Gidal, Scott Mintzer, Matthias Schwab, Ralph Schutz, Jahnavi Kharidia, David Blum, Todd Grinnell, Soujanya Sunkaraneni
INTRODUCTION: Patients with partial-onset seizures and comorbid cardiovascular disease may concomitantly receive eslicarbazepine acetate (ESL), an antiepileptic drug, and rosuvastatin, an HMG-CoA reductase inhibitor. This study evaluated the effect of multiple-dose ESL on the pharmacokinetic (PK) parameters of a single dose of rosuvastatin in healthy subjects. METHODS: This was a Phase I, single-center, fixed-sequence, open-label study. Healthy subjects received two treatments, in sequence...
May 18, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28622959/a-phase-i-ii-trial-of-panobinostat-in-combination-with-lenalidomide-in-patients-with-relapsed-or-refractory-hodgkin-lymphoma
#8
Joseph J Maly, Beth A Christian, Xiaohua Zhu, Lai Wei, Jennifer L Sexton, Samantha M Jaglowski, Steven M Devine, Todd A Fehniger, Nina D Wagner-Johnston, Mitch A Phelps, Nancy L Bartlett, Kristie A Blum
BACKGROUND: Lenalidomide and panobinostat have shown single-agent efficacy of 14% to 50% and 27% to 58%, respectively, in Hodgkin lymphoma (HL). This phase I/II study was conducted to determine the maximum tolerated dose (MTD), safety, and efficacy of lenalidomide combined with panobinostat in relapsed/refractory HL. PATIENTS AND METHODS: In the phase I trial, previously treated patients with classical or lymphocyte-predominant HL received escalating doses of lenalidomide on days 1 to 21 and panobinostat 3 times a week (TIW) every 28 days...
June 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28622227/getting-to-patients-heads-through-their-hearts
#9
James M Blum
No abstract text is available yet for this article.
July 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28620378/nature-and-consequences-of-biological-reductionism-for-the-immunological-study-of-infectious-diseases
#10
REVIEW
Ariel L Rivas, Gabriel Leitner, Mark D Jankowski, Almira L Hoogesteijn, Michelle J Iandiorio, Stylianos Chatzipanagiotou, Anastasios Ioannidis, Shlomo E Blum, Renata Piccinini, Athos Antoniades, Jane C Fazio, Yiorgos Apidianakis, Jeanne M Fair, Marc H V Van Regenmortel
Evolution has conserved "economic" systems that perform many functions, faster or better, with less. For example, three to five leukocyte types protect from thousands of pathogens. To achieve so much with so little, biological systems combine their limited elements, creating complex structures. Yet, the prevalent research paradigm is reductionist. Focusing on infectious diseases, reductionist and non-reductionist views are here described. The literature indicates that reductionism is associated with information loss and errors, while non-reductionist operations can extract more information from the same data...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28619887/comment-on-xist-recruits-the-x-chromosome-to-the-nuclear-lamina-to-enable-chromosome-wide-silencing
#11
Chen-Yu Wang, John E Froberg, Roy Blum, Yesu Jeon, Jeannie T Lee
Chen et al (Reports, 28 October 2016, p. 468) proposed that an interaction between Xist RNA and Lamin B receptor (LBR) is necessary and sufficient for Xist spreading during X-chromosome inactivation. We reanalyzed their data and found that reported genotypes of mutants are not supported by the sequencing data. These inconsistencies preclude assessment of the role of LBR in Xist spreading.
June 16, 2017: Science
https://www.readbyqxmd.com/read/28616730/contrast-enhanced-3t-mr-perfusion-of-musculoskeletal-tumours-t1-value-heterogeneity-assessment-and-evaluation-of-the-influence-of-t1-estimation-methods-on-quantitative-parameters
#12
Pedro Augusto Gondim Teixeira, Christophe Leplat, Bailiang Chen, Jacques De Verbizier, Marine Beaumont, Sammy Badr, Anne Cotten, Alain Blum
OBJECTIVE: To evaluate intra-tumour and striated muscle T1 value heterogeneity and the influence of different methods of T1 estimation on the variability of quantitative perfusion parameters. MATERIAL AND METHODS: Eighty-two patients with a histologically confirmed musculoskeletal tumour were prospectively included in this study and, with ethics committee approval, underwent contrast-enhanced MR perfusion and T1 mapping. T1 value variations in viable tumour areas and in normal-appearing striated muscle were assessed...
June 14, 2017: European Radiology
https://www.readbyqxmd.com/read/28613877/x-ray-emission-spectroscopy-of-the-proteinogenic-amino-acids-at-all-relevant-absorption-edges
#13
Frank Meyer, Monika Blum, Andreas Benkert, Dirk Hauschild, Yekkoni Lakshmanan Jeyachandran, Regan G Wilks, Wanli Yang, Marcus Bär, Clemens Heske, Friedrich Reinert, Michael Zharnikov, Lothar Weinhardt
Non-resonant N K, O K, C K, and S L2,3 X-ray emission spectra (XES) of the 20 most common proteinogenic amino acids in their solid zwitterionic form are reported. They represent a comprehensive database, which can serve as a reliable basis for XES studies of peptides and proteins. At the most important N and O K-edges, clear similarities and differences between the spectra of certain amino acids are observed and associated with the specific chemical structure of these molecules and their functional groups. Analysis of these spectra allows generating spectral fingerprints of the protonated amino group, the deprotonated carboxylic group, and, using a building block approach, of the specific nitrogen- and oxygen-containing functional groups in the side chains of the amino acids...
June 14, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28612484/ph-sensing-properties-of-flexible-bias-free-graphene-microelectrodes-in-complex-fluids-from-phosphate-buffer-solution-to-human-serum
#14
Jinglei Ping, Jacquelyn E Blum, Ramya Vishnubhotla, Amey Vrudhula, Carl H Naylor, Zhaoli Gao, Jeffery G Saven, Alan T Charlie Johnson
Advances in techniques for monitoring pH in complex fluids can have a significant impact on analytical and biomedical applications. This study develops flexible graphene microelectrodes (GEs) for rapid (<5 s), very-low-power (femtowatt) detection of the pH of complex biofluids by measuring real-time Faradaic charge transfer between the GE and a solution at zero electrical bias. For an idealized sample of phosphate buffer solution (PBS), the Faradaic current is varied monotonically and systematically with the pH, with a resolution of ≈0...
June 14, 2017: Small
https://www.readbyqxmd.com/read/28611281/utility-of-endoscopic-ultrasound-guided-fine-needle-aspiration-of-regional-lymph-nodes-that-are-proximal-to-and-far-from-the-primary-distal-esophageal-carcinoma
#15
Yusuke Shimodaira, Rebecca S Slack, Kazuto Harada, Manoop S Bhutani, Elena Elimova, Gregg A Staerkel, Nour Sneige, Jeremy Erasmus, Hironori Shiozaki, Nikolaos Charalampakis, Venkatram Planjery, Dilsa Mizrak Kaya, Fatemeh G Amlashi, Mariela A Blum, Heath D Skinner, Bruce D Minsky, Dipen M Maru, Wayne L Hofstetter, Stephen G Swisher, Jeannette E Mares, Jane E Rogers, Quan D Lin, William A Ross, Brian Weston, Jeffrey H Lee, Jaffer A Ajani
Implications of assessing the proximal and far para-tracheal or sub-carinal nodes (para-tracheal [PTN] or sub-carinal [SCN]) associated with lower primary esophageal carcinomas (ECs) are unclear. To evaluate the value of endoscopic ultrasound guided fine-needle aspiration (EUS-FNA) for PTN and SCN, we analyzed results by positron emission tomography (PET) avidity, 4 EUS node malignancy features, and EUS-FNA results in all patients with Siewert's I or II EC. Of 133 patients (PTN, n=102; SCN, n=31) with EUS-FNA, 47 (35%) patients had malignant node, leading to treatment modifications...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611086/developing-a-stroke-center
#16
REVIEW
Eliza C Miller, Christina Blum, Sara K Rostanski
No abstract text is available yet for this article.
June 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28594557/long-lived-13-c2-nuclear-spin-states-hyperpolarized-by-parahydrogen-in-reversible-exchange-at-micro-tesla-fields
#17
Zijian Zhou, Jin Yu, Johannes F P Colell, Raul Laasner, Angus W J Logan, Danila A Barskiy, Roman V Shchepin, Eduard Y Chekmenev, Volker Blum, Warren S Warren, Thomas Theis
Parahydrogen is an inexpensive and readily available source of hyperpolarization used to enhance magnetic resonance signals by up to 4 orders of magnitude above thermal signals obtained at ~10 T. A significant challenge for applications is fast signal decay after hyperpolarization. Here, we use parahydrogen based polarization transfer catalysis at micro-Tesla fields (first introduced as SABRE-SHEATH) to hyperpolarize (13)C2 spin pairs and find decay time constants of 12 s for magnetization at 0.3 mT, which are extended to 2 minutes at that same field, when long lived singlet states are hyperpolarized instead...
June 8, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28590874/us-hospital-awards-and-community-health-improvement
#18
Michael K Poku, Alexander B Blum, Joshua M Sharfstein
No abstract text is available yet for this article.
July 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28585453/cognitive-outcomes-following-anti-n-methyl-d-aspartate-receptor-encephalitis-a-systematic-review
#19
Gemma L McKeon, Gail A Robinson, Alexander E Ryan, Stefan Blum, David Gillis, Carsten Finke, James G Scott
INTRODUCTION: Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is an immune-mediated neurological disorder that (among other severe neuropsychiatric symptoms) affects cognition. This study aimed to summarize current knowledge regarding the rates, nature, and predictors of neuropsychological dysfunction in patients recovering from anti-NMDAR encephalitis. METHOD: A systematic review of studies describing neuropsychological outcomes following anti-NMDAR encephalitis was conducted...
June 6, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28585420/quantitative-biogeography-of-picoprasinophytes-establishes-ecotype-distributions-and-significant-contributions-to-marine-phytoplankton
#20
Alexander J Limardo, Sebastian Sudek, Chang Jae Choi, Camille Poirier, Yoshimi M Rii, Marguerite Blum, Robyn Roth, Ursula Goodenough, Matthew J Church, Alexandra Z Worden
Bathycoccus and Ostreococcus are broadly distributed marine picoprasinophyte algae. We enumerated small phytoplankton using flow cytometry and qPCR assays for phylogenetically distinct Bathycoccus clades BI and BII and Ostreococcus clades OI and OII. Among 259 photic-zone samples from transects and time-series, Ostreococcus maxima occurred in the North Pacific coastal upwelling for OI (36,713 ± 1,485 copies ml(-1) ) and the Kuroshio Front for OII (50,189 ± 561 copies ml(-1) ) and the two overlapped only in frontal regions...
June 5, 2017: Environmental Microbiology
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