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https://www.readbyqxmd.com/read/29227818/neutrophil-lymphocyte-ratio-kinetics-in-patients-with-advanced-solid-tumours-on-phase-i-trials-of-pd-1-pd-l1-inhibitors
#1
Malaka Ameratunga, Maxime Chénard-Poirier, Irene Moreno Candilejo, Manuel Pedregal, Andrew Lui, David Dolling, Caterina Aversa, Alvaro Ingles Garces, Joo Ern Ang, Udai Banerji, Stan Kaye, Hui Gan, Bernard Doger, Victor Moreno, Johann de Bono, Juanita Lopez
BACKGROUND: Although the neutrophil-lymphocyte ratio (NLR) is prognostic in many oncological settings, its significance in the immunotherapy era is unknown. Mechanistically, PD-1/PD-L1 inhibitors may alter NLR. We sought to characterise NLR kinetics in patients with advanced solid tumours treated with PD-1/PD-L1 inhibitors. METHODS: Electronic records of patients treated with PD-1/PD-L1 inhibitors on phase I trials across three sites were reviewed. A high NLR (hNLR) was predefined as >5...
December 8, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29225719/methane-optical-density-measurements-with-an-integrated-path-differential-absorption-lidar-from-an-airborne-platform
#2
Haris Riris, Kenji Numata, Stewart Wu, Brayler Gonzalez, Michael Rodriguez, Stan Scott, Stephan Kawa, Jianping Mao
We report on an airborne demonstration of atmospheric methane (CH4) measurements with an Integrated Path Differential Absorption (IPDA) lidar using an optical parametric amplifier (OPA) and optical parametric oscillator (OPO) laser transmitter and sensitive avalanche photodiode detector. The lidar measures the atmospheric CH4 absorption at multiple, discrete wavelengths near 1650.96 nm. The instrument was deployed in the fall of 2015, aboard NASA's DC-8 airborne laboratory along with an in-situ spectrometer and measured CH4 over a wide range of surfaces and atmospheric conditions from altitudes of 2 km to 13 km...
July 2017: Journal of Applied Remote Sensing
https://www.readbyqxmd.com/read/29218313/factors-associated-with-number-of-duodenal-samples-obtained-in-suspected-celiac-disease
#3
Leonid Shamban, Serge Sorser, Stan Naydin, Benjamin Lebwohl, Mousa Shukr, Charlotte Wiemann, Daniel Yevsyukov, Michael H Piper, Bradley Warren, Peter H R Green
Background and study aims:  Many people with celiac disease are undiagnosed and there is evidence that insufficient duodenal samples may contribute to underdiagnosis. The aims of this study were to investigate whether more samples leads to a greater likelihood of a diagnosis of celiac disease and to elucidate factors that influence the number of samples collected. Patients and methods:  We identified patients from two community hospitals who were undergoing duodenal biopsy for indications (as identified by International Classification of Diseases code) compatible with possible celiac disease...
December 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29215160/new-figo-and-swedish-intrapartum-cardiotocography-classification-systems-incorporated-in-the-fetal-ecg-st-analysis-stan-interpretation-algorithm-agreements-and-discrepancies-in-cardiotocography-classification-and-evaluation-of-significant-st-events
#4
Per Olofsson, Håkan Norén, Ann Carlsson
The updated intrapartum cardiotocography (CTG) classification system by FIGO in 2015 (FIGO2015) and the FIGO2015-approached classification by the Swedish Society of Obstetricians and Gynecologist in 2017 (SSOG2017) are not harmonized with the fetal ECG ST analysis (STAN) algorithm from 2007 (STAN2007). The study aimed to reveal homogeneity and agreement between the systems in classifying CTG and ST events, and relate to maternal and perinatal outcomes MATERIAL AND METHODS: Among CTG traces with ST events, 100 traces originally classified as normal, 100 as suspicious and 100 as pathological were randomly selected from a STAN database and classified by two experts in consensus...
December 7, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29214415/a-multi-center-pragmatic-randomized-feasibility-trial-comparing-standard-of-care-schedules-of-filgrastim-administration-for-primary-febrile-neutropenia-prophylaxis-in-early-stage-breast-cancer
#5
Mohammed F K Ibrahim, John Hilton, Sasha Mazzarello, Dean Fergusson, Brian Hutton, Andrew Robinson, Nadia Califaretti, Tina Hsu, Stan Gertler, Mihaela Mates, Carol Stober, Lisa Vandermeer, Ranjeeta Mallick, Mark Clemons
INTRODUCTION: The most effective duration of filgrastim as primary febrile neutropenia (FN) prophylaxis in early breast cancer (EBC) patients is unknown. Despite significant differences in cost and toxicity, no prospective trial has been performed to optimize practice. We assessed the feasibility of using a novel pragmatic trial model to compare the most commonly used schedules of filgrastim. METHODS: Early breast cancer patients receiving chemotherapy were randomized to 5, 7, or 10 days of filgrastim as primary FN prophylaxis...
December 6, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29204668/modification-of-the-surgical-strategy-for-the-dissection-of-the-recurrent-laryngeal-nerve-using-continuous-intraoperative-nerve-monitoring
#6
Stan Sidhu
No abstract text is available yet for this article.
December 4, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29183160/daily-spirometry-in-an-acute-exacerbation-of-adult-cystic-fibrosis-patients
#7
Michael J Stephen, Alex Long, Chad Bonsall, Jeffrey B Hoag, Smita Shah, Dorothy Bisberg, Douglas Holsclaw, Laurie Varlotta, Stan Fiel, Doantrang Du, Robert Zanni, Denis Hadjiliadis
To help answer the question of length of intravenous antibiotics during an acute exacerbation of cystic fibrosis (CF), we had subjects to follow daily home spirometry while on intravenous antibiotics. CF patients, 18 and older, with an acute exacerbation requiring intravenous antibiotics had a daily FEV1. The average time to a 10% increase over their initial sick FEV1 was calculated, as well as the time to a new baseline. A total of 25 subjects completed the study. Ten of the 25 subjects did not have a sustainable 10% increase in FEV1...
January 1, 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/29168615/the-impact-of-rewilding-species-introductions-and-climate-change-on-the-structure-and-function-of-the-yukon-boreal-forest-ecosystem
#8
Rudy Boonstra, Stan Boutin, Thomas S Jung, Charles J Krebs, Shawn Taylor
Community and ecosystem changes are happening in the pristine boreal forest ecosystem of the Yukon for two reasons. First, climate change is affecting the abiotic environment (temperature, rainfall, growing season) and driving changes in plant productivity and predator-prey interactions. Secondly, simultaneously change is occurring because of mammal species reintroductions and rewilding. The key ecological question is the impact these faunal changes will have on trophic dynamics. Primary productivity in the boreal forest is increasing because of climatic warming, but plant species composition is unlikely to change significantly during the next 50-100 years...
November 23, 2017: Integrative Zoology
https://www.readbyqxmd.com/read/29149061/mechanical-corrosion-and-biological-properties-of-room-temperature-sputtered-aluminum-nitride-films-with-dissimilar-nanostructure
#9
Cristina Besleaga, Viorel Dumitru, Liliana Marinela Trinca, Adrian-Claudiu Popa, Constantin-Catalin Negrila, Łukasz Kołodziejczyk, Catalin-Romeo Luculescu, Gabriela-Cristina Ionescu, Razvan-George Ripeanu, Alina Vladescu, George E Stan
Aluminum Nitride (AlN) has been long time being regarded as highly interesting material for developing sensing applications (including biosensors and implantable sensors). AlN, due to its appealing electronic properties, is envisaged lately to serve as a multi-functional biosensing platform. Although generally exploited for its intrinsic piezoelectricity, its surface morphology and mechanical performance (elastic modulus, hardness, wear, scratch and tensile resistance to delamination, adherence to the substrate), corrosion resistance and cytocompatibility are also essential features for high performance sustainable biosensor devices...
November 17, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29142748/intraoperative-prediction-of-the-two-axillary-lymph-node-macrometastases-threshold-in-patients-with-breast-cancer-using-a-one-step-nucleic-acid-cytokeratin-19-amplification-assay
#10
Victoria Fung, Stan Kohlhardt, Patricia Vergani, Gregory J Zardin, Norman R Williams
The aim of the present study was to assess the sensitivity, specificity and practicality of using a one-step nucleic acid amplification (OSNA) assay during breast cancer staging surgery to predict and discriminate between at least 2 involved nodes and more than 2 involved nodes and facilitate the decision to provide axillary conservation in the presence of a low total axillary node tumour burden. A total of 700 consecutive patients, not treated with neo-adjuvant chemotherapy, received intraoperative sentinel lymph node (SLN) analysis using OSNA for cT1-T3 cN0 invasive breast cancer...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142021/inf2-mediated-actin-polymerization-at-the-er-stimulates-mitochondrial-calcium-uptake-inner-membrane-constriction-and-division
#11
Rajarshi Chakrabarti, Wei-Ke Ji, Radu V Stan, Jaime de Juan Sanz, Timothy A Ryan, Henry N Higgs
Mitochondrial division requires division of both the inner and outer mitochondrial membranes (IMM and OMM, respectively). Interaction with endoplasmic reticulum (ER) promotes OMM division by recruitment of the dynamin Drp1, but effects on IMM division are not well characterized. We previously showed that actin polymerization through ER-bound inverted formin 2 (INF2) stimulates Drp1 recruitment in mammalian cells. Here, we show that INF2-mediated actin polymerization stimulates a second mitochondrial response independent of Drp1: a rise in mitochondrial matrix calcium through the mitochondrial calcium uniporter...
November 15, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/29137828/differentiating-between-clinical-and-behavioral-phenotypes-in-first-episode-psychosis-during-maintenance-of-visuospatial-working-memory
#12
Maria Jalbrzikowski, Vishnu P Murty, Patricia L Stan, Jusmita Saifullan, Daniel Simmonds, William Foran, Beatriz Luna
INTRODUCTION: We probed the neural basis of working memory in individuals with first episode of psychosis (FEP) and assessed how these neural abnormalities are associated with behavioral performance and/or core to psychosis pathophysiology. METHODS: FEP (N=35) and matched controls (N=25) performed a visuospatial working memory task during fMRI acquisition. We isolated neural activity during the maintenance period and examined neural activity within regions typically engaged during a working memory task...
November 11, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/29136915/a-quantum-dot-based-lateral-flow-immunoassay-for-the-sensitive-detection-of-human-heart-fatty-acid-binding-protein-hfabp-in-human-serum
#13
Mihaela Savin, Carmen-Marinela Mihailescu, Iulia Matei, Dana Stan, Carmen Aura Moldovan, Marian Ion, Ion Baciu
We describe the preparation and validation of a novel lateral flow immunoassay test for the detection of human heart fatty acid binding protein (hFABP). Water-soluble CdTe quantum dots (QDs) were selected as the fluorescent label and were linked covalently to anti-hFABP antibodies. Upon conjugation, the secondary structure of the anti-hFABP was preserved and the fluorescence quantum yield of the CdTe QDs increased. The labelled antibodies were transferred to the immunoassay test strip and the antigen-antibody reaction was successfully performed...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29134543/bayesian-inference-for-psychology-part-iii-parameter-estimation-in-nonstandard-models
#14
Dora Matzke, Udo Boehm, Joachim Vandekerckhove
We demonstrate the use of three popular Bayesian software packages that enable researchers to estimate parameters in a broad class of models that are commonly used in psychological research. We focus on WinBUGS, JAGS, and Stan, and show how they can be interfaced from R and MATLAB. We illustrate the use of the packages through two fully worked examples; the examples involve a simple univariate linear regression and fitting a multinomial processing tree model to data from a classic false-memory experiment. We conclude with a comparison of the strengths and weaknesses of the packages...
November 13, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/29127322/reduced-hepatitis-b-and-d-viral-entry-using-clinically-applied-drugs-as-novel-inhibitors-of-the-bile-acid-transporter-ntcp
#15
Joanne M Donkers, Benno Zehnder, Gerard J P van Westen, Mark J Kwakkenbos, Adriaan P IJzerman, Ronald P J Oude Elferink, Ulrich Beuers, Stephan Urban, Stan F J van de Graaf
The sodium taurocholate co-transporting polypeptide (NTCP, SLC10A1) is the main hepatic transporter of conjugated bile acids, and the entry receptor for hepatitis B virus (HBV) and hepatitis delta virus (HDV). Myrcludex B, a synthetic peptide mimicking the NTCP-binding domain of HBV, effectively blocks HBV and HDV infection. In addition, Myrcludex B inhibits NTCP-mediated bile acid uptake, suggesting that also other NTCP inhibitors could potentially be a novel treatment of HBV/HDV infection. This study aims to identify clinically-applied compounds intervening with NTCP-mediated bile acid transport and HBV/HDV infection...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126404/correction-to-flipping-for-success-evaluating-the-effectiveness-of-a-novel-teaching-approach-in-a-graduate-level-setting
#16
John Moraros, Adiba Ashrafi, Stan Yu, Ryan Banow, Barbara Schindelka
Following publication of the original article [1], author 2 pointed out that his name has since changed from Adiba Islam to Adiba Ashrafi.
November 10, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/29125579/the-structure-of-liquid-and-amorphous-hafnia
#17
Leighanne C Gallington, Yasaman Ghadar, Lawrie B Skinner, J K Richard Weber, Sergey V Ushakov, Alexandra Navrotsky, Alvaro Vazquez-Mayagoitia, Joerg C Neuefeind, Marius Stan, John J Low, Chris J Benmore
Understanding the atomic structure of amorphous solids is important in predicting and tuning their macroscopic behavior. Here, we use a combination of high-energy X-ray diffraction, neutron diffraction, and molecular dynamics simulations to benchmark the atomic interactions in the high temperature stable liquid and low-density amorphous solid states of hafnia. The diffraction results reveal an average Hf-O coordination number of ~7 exists in both the liquid and amorphous nanoparticle forms studied. The measured pair distribution functions are compared to those generated from several simulation models in the literature...
November 10, 2017: Materials
https://www.readbyqxmd.com/read/29125193/exposure-to-a-specific-time-varying-electromagnetic-field-inhibits-cell-proliferation-via-camp-and-erk-signaling-in-cancer-cells
#18
Carly A Buckner, Alison L Buckner, Stan A Koren, Michael A Persinger, Robert M Lafrenie
Exposure to specific electromagnetic field (EMF) patterns can affect a variety of biological systems. We have shown that exposure to Thomas-EMF, a low-intensity, frequency-modulated (25-6 Hz) EMF pattern, inhibited growth and altered cell signaling in malignant cells. Exposure to Thomas-EMF for 1 h/day inhibited the growth of malignant cells including B16-BL6 mouse melanoma cells, MDA-MB-231, MDA-MB-468, BT-20, and MCF-7 human breast cancer and HeLa cervical cancer cells but did not affect non-malignant cells...
November 10, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/29120423/astronomy-the-star-that-would-not-die
#19
Stan Woosley
No abstract text is available yet for this article.
November 8, 2017: Nature
https://www.readbyqxmd.com/read/29117945/adipocytes-sequester-and-metabolize-the-chemotherapeutic-daunorubicin
#20
Xia Sheng, Jean-Hugues Parmentier, Jonathan Tucci, Hua Pei, Omar Cortez-Toledo, Christina M Dieli-Conwright, Matthew J Oberley, Michael Neely, Etan Orgel, Stan G Louie, Steven D Mittelman
Obesity is associated with poorer outcome for many cancers. Previously, we observed that adipocytes protect acute lymphoblastic leukemia (ALL) cells from the anthracycline, daunorubicin. In this study, it is determined whether adipocytes clear daunorubicin from the tumor microenvironment (TME). Intracellular daunorubicin concentrations were evaluated using fluorescence. Daunorubicin and its largely inactive metabolite, daunorubicinol, were analytically measured in media, cells, and tissues using liquid chromatography/mass spectrometry (LC/MS)...
November 8, 2017: Molecular Cancer Research: MCR
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