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https://www.readbyqxmd.com/read/29342442/hiv-related-refractory-hodgkin-lymphoma-a-case-report-of-complete-response-to-nivolumab
#1
Elaine Chang, Gustavo Rivero, Niraj R Patel, Elizabeth Y Chiao, Syeling Lai, Kelash Bajaj, John E Mbue, Sarvari V Yellapragada
No abstract text is available yet for this article.
January 3, 2018: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29342432/pharmacists-scope-of-practice-in-travel-health-a-review-of-state-laws-and-regulations
#2
Keri Hurley-Kim, Rebecca Snead, Karl M Hess
OBJECTIVES: The primary objective of this study was to assess pharmacists' authority to provide travel health services in each state and Washington, DC. Secondary objectives were to determine the need for collaborative practice agreements (CPAs), protocols, or prescriptions for this type of pharmacy practice and to identify jurisdictions where pharmacists are able to practice as travel health providers independent of CPAs or individual physician protocols. METHODS: An online survey was developed to assess pharmacists' authority to administer travel immunizations, furnish travel-related medications, and order travel-related laboratory tests...
January 13, 2018: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29342422/magnetic-mesoporous-molecularly-imprinted-polymers-based-on-surface-precipitation-polymerization-for-selective-enrichment-of-triclosan-and-triclocarban
#3
Xuemei Wang, Pengfei Huang, Xiaomin Ma, Xinzhen Du, Xiaoquan Lu
Novel magnetic mesoporous molecularly imprinted polymers (MMIPs) were prepared based on surface precipitation polymerization using Triclosan (TCS) as template and methacrylic acid as functional monomer. The synthesized MMIPs-TCS were applied to the adsorbent of magnetic solid-phase extraction (MSPE) coupled with HPLC for the enrichment and determination of TCS. The MMIPs-TCS were characterized by fourier-transform infrared spectrometry (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N2 adsorption-desorption transmission, and vibrating sample magnetometry...
January 10, 2018: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29342418/functional-characterization-of-9-cyp2a13-allelic-variants-by-assessment-of-nicotine-c-oxidation-and-coumarin-7-hydroxylation
#4
Masaki Kumondai, Hiroki Hosono, Masamitsu Maekawa, Hiroaki Yamaguchi, Nariyasu Mano, Akifumi Oda, Noriyasu Hirasawa, Masahiro Hiratsuka
Cytochrome P450 2A13 (CYP2A13) is responsible for the metabolism of chemical compounds such as nicotine, coumarin, and tobacco-specific nitrosamine. Several of these compounds have been recognized as procarcinogens activated by CYP2A13. We recently showed that CYP2A13*2 contributes to inter-individual variations observed in bladder cancer susceptibility because CYP2A13*2 might cause a decrease in enzymatic activity. Other CYP2A13 allelic variants may also affect cancer susceptibility. In this study, we performed an in vitro analysis of the wild-type enzyme (CYP2A13...
November 22, 2017: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29342359/semiconducting-photothermal-nanoagonist-for-remote-controlled-specific-cancer-therapy
#5
Xu Zhen, Chen Xie, Yuyan Jiang, Xiangzhao Ai, Bengang Xing, Kanyi Pu
Nanomedicines have shown success in cancer therapy, but the pharmacological actions of most nanomedicine are often nonspecific to cancer cells because of utilization of the therapeutic agents that induce cell apoptosis from inner organelles. We herein report the development of semiconducting photothermal nanoagonists that can remotely and specifically initiate the apoptosis of cancer cells from cell membrane. The organic nanoagonists comprise semiconducting polymer nanoparticles (SPNs) and capsaicin (Cap) as the photothermally-responsive nanocarrier and the agonist for activation of transient receptor potential cation channel subfamily V member 1 (TRPV1), respectively...
January 17, 2018: Nano Letters
https://www.readbyqxmd.com/read/29342358/synthesis-and-biological-characterization-of-aryl-uracil-inhibitors-of-hepatitis-c-virus-ns5b-polymerase-discovery-of-abt-072-a-trans-stilbene-analog-with-good-oral-bioavailability
#6
John Randolph, A Chris Krueger, Pamela Donner, John K Pratt, Dachun Liu, Christopher E Motter, Todd W Rockway, Mike D Tufano, Rolf Wagner, Hock B Lim, Jill M Beyer, Rubina Mondal, Neeta S Panchal, Lynn Colletti, Yaya Liu, Gennadiy Koev, Warren M Kati, Lisa E Hernandez, David W A Beno, Kenton L Longenecker, Kent D Stewart, Emily O Dumas, Akhteruzzaman Molla, Clarence Maring
ABT-072 is a non-nucleoside HCV NS5B polymerase inhibitor that was discovered as part of a program to identify new direct-acting antivirals (DAAs) for the treatment of HCV infection. This compound was identified during a medicinal chemistry effort to improve on an original lead, inhibitor 1, which we described in a previous publication. Replacement of the amide linkage in 1 with a trans-olefin resulted in improved compound permeability and solubility, and provided much better pharmacokinetic properties in preclinical species...
January 17, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29342314/fatigue-is-a-relevant-outcome-in-patients-with-myasthenia-gravis
#7
Christopher Tran, Vera Bril, Hans D Katzberg, Carolina Barnett
INTRODUCTION: Patients with myasthenia gravis often experience fatigue, but its effect on quality of life (QoL) is underestimated, and fatigue is rarely measured in clinical trials. METHODS: 257 myasthenic patients completed the Neuro-QoL-Fatigue and measures of disease severity and QoL. We studied the relationship between fatigue, clinical, and demographic variables. Finally, we studied the responsiveness of the Neuro-QoL-Fatigue in 95 patients receiving treatments for myasthenia, and estimated the minimal important difference (MID)...
January 17, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29342309/prognostic-power-of-a-tumor-differentiation-gene-signature-for-bladder-urothelial-carcinomas
#8
Qianxing Mo, Fotis Nikolos, Fengju Chen, Zoe Tramel, Yu-Cheng Lee, Kazukuni Hayashi, Jing Xiao, Jianjun Shen, Keith Syson Chan
Background: Muscle-invasive bladder cancers (MIBCs) cause approximately 150 000 deaths per year worldwide. Survival for MIBC patients is heterogeneous, with no clinically validated molecular markers that predict clinical outcome. Non-MIBCs (NMIBCs) generally have favorable outcome; however, a portion progress to MIBC. Hence, development of a prognostic tool that can guide decision-making is crucial for improving clinical management of bladder urothelial carcinomas. Methods: Tumor grade is defined by pathologic evaluation of tumor cell differentiation, and it often associates with clinical outcome...
January 12, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29342297/an-exact-goodness-of-fit-test-based-on-the-occupancy-problems-to-study-zero-inflation-and-zero-deflation-in-biological-dosimetry-data
#9
Amanda Fernández-Fontelo, Pedro Puig, Elizabeth A Ainsbury, Manuel Higueras
The goal in biological dosimetry is to estimate the dose of radiation that a suspected irradiated individual has received. For that, the analysis of aberrations (most commonly dicentric chromosome aberrations) in scored cells is performed and dose response calibration curves are built. In whole body irradiation (WBI) with X- and gamma-rays, the number of aberrations in samples is properly described by the Poisson distribution, although in partial body irradiation (PBI) the excess of zeros provided by the non-irradiated cells leads, for instance, to the Zero-Inflated Poisson distribution...
January 12, 2018: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29342294/factors-affecting-public-health-nurses-satisfaction-with-the-preparedness-and-response-of-disaster-relief-operations-at-nuclear-emergencies
#10
Takumi Yamaguchi, Makiko Orita, Hideko Urata, Tetsuko Shinkawa, Yasuyuki Taira, Noboru Takamura
No abstract text is available yet for this article.
January 12, 2018: Journal of Radiation Research
https://www.readbyqxmd.com/read/29342288/association-between-abcg2-rs2231142-and-poor-response-to-allopurinol-replication-and-meta-analysis
#11
Mary C Wallace, Rebecca L Roberts, Payal Nanavati, Jeffrey N Miner, Nicola Dalbeth, Ruth Topless, Tony R Merriman, Lisa K Stamp
Objective: ABCG2 rs2231142 (Q141K) has been reported to be associated with poor response to allopurinol, while there are conflicting data on the association between the genetically independent ABCG2 rs10011796 variant and allopurinol response. The aim of this study was to replicate the association of ABCG2 rs2231142 and rs10011796 with allopurinol response and perform a meta-analysis. Methods: Participants in the Long-term Allopurinol Safety Study Evaluating Outcomes in Gout Patients (LASSO) (n = 299) were studied...
January 12, 2018: Rheumatology
https://www.readbyqxmd.com/read/29342281/phenotypic-analysis-of-hiv-1-e157q-integrase-polymorphism-and-impact-on-virological-outcome-in-patients-initiating-an-integrase-inhibitor-based-regimen
#12
Charlotte Charpentier, Isabelle Malet, Elisabeth Andre-Garnier, Alexandre Storto, Laurence Bocket, Corinne Amiel, Laurence Morand-Joubert, Camille Tumiotto, Thuy Nguyen, Anne Maillard, Audrey Rodallec, Marie Leoz, Brigitte Montes, Véronique Schneider, Jean-Christophe Plantier, Julia Dina, Coralie Pallier, Audrey Mirand, Catherine Roussel, Anne Signori-Schmuck, Stéphanie Raymond, Vincent Calvez, Constance Delaugerre, Anne-Geneviève Marcelin, Diane Descamps
Objectives: To assess the phenotypic susceptibility of the E157Q polymorphism in HIV-1 integrase (IN) and the virological outcome of patients infected with E157Q-mutated virus initiating an IN inhibitor (INI)-based regimen. Methods: This was a multicentre study assessing IN sequences from INI-naive patients among 17 French HIV clinical centres. E157Q site-directed mutants in pNL4.3 and pCRF02_AG contexts were assessed in a recombinant phenotypic assay. Results: Prevalence of the E157Q polymorphism was 2...
January 12, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29342276/a-predictive-quantitative-model-of-spiking-activity-and-stimulus-secretion-coupling-in-oxytocin-neurons
#13
Jorge Maícas-Royo, Gareth Leng, Duncan J MacGregor
Oxytocin neurons of the rat hypothalamus project to the posterior pituitary where they secrete their products into the bloodstream. The pattern and quantity of that release depends on the afferent inputs to the neurons, on their intrinsic membrane properties, and on non-linear interactions between spiking activity and exocytosis: a given number of spikes will trigger more secretion when they arrive close together. Here we present a quantitative computational model of oxytocin neurons that can replicate the results of a wide variety of published experiments...
January 12, 2018: Endocrinology
https://www.readbyqxmd.com/read/29342260/interaction-between-staphylococcus-aureus-and-pseudomonas-aeruginosa-is-beneficial-for-colonisation-and-pathogenicity-in-a-mixed-biofilm
#14
Patrícia M Alves, Eide Al-Badi, Cathryn Withycombe, Paul M Jones, Kevin J Purdy, Sarah E Maddocks
Debate regarding the co-existence of Staphylococcus aureus and Pseudomonas aeruginosa in wounds remains contentious, with the dominant hypothesis describing a situation akin to niche partitioning, whereby both microorganisms are present but occupy distinct regions of the wound without interacting. In contrast, we hypothesised that these microorganisms do interact during early co-colonisation in a manner beneficial to both bacteria. We assessed competitive interaction between S. aureus and P. aeruginosa in biofilm cultured for 24-72 h and bacterial aggregates analogous to those observed in early ( < 24h) biofilm formation, and interaction with human keratinocytes...
January 12, 2018: Pathogens and Disease
https://www.readbyqxmd.com/read/29342251/kinetics-of-serological-responses-in-critically-ill-patients-hospitalized-with-influenza-a-h1n1-pdm09-virus-infection-in-canada-2009-2011
#15
Melissa A Rolfes, F Liaini Gross, Brendan Flannery, Adrienne F A Meyers, Ma Luo, Nathalie Bastien, Robert A Fowler, Jacqueline M Katz, Min Z Levine, Anand Kumar, Timothy M Uyeki
Background: The kinetics of the antibody response during severe influenza are not well documented. Methods: Critically ill patients with influenza A(H1N1)pdm09 virus infection, confirmed by RT-PCR or seroconversion (≥4-fold rise in titers), during 2009-2011 in Canada were prospectively studied. Antibody titers in serially collected sera were determined using hemagglutinin inhibition (HAI) and microneutralization assays. Average antibody curves were estimated using linear mixed effects models and compared by patient outcome, age, and corticosteroid treatment...
January 12, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29342248/clinical-considerations-of-the-role-of-palbociclib-in-the-management-of-advanced-breast-cancer-patients-with-and-without-visceral-metastases
#16
N C Turner, R S Finn, M Martin, S-A Im, A DeMichele, J Ettl, V Diéras, S Moulder, O Lipatov, M Colleoni, M Cristofanilli, D R Lu, A Mori, C Giorgetti, S Iyer, C Huang Bartlett, K A Gelmon
Background: This report assesses the efficacy and safety of palbociclib plus endocrine therapy (ET) in women with hormone receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer (ABC) with or without visceral metastases. Patients and methods: Pre- and postmenopausal women with disease progression following prior ET (PALOMA-3; N=521) and postmenopausal women untreated for ABC (PALOMA-2; N=666) were randomized 2:1 to ET (fulvestrant or letrozole, respectively) plus palbociclib or placebo...
January 11, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29342238/rhythmic-spontaneous-activity-mediates-the-age-related-decline-in-somatosensory-function
#17
Rachel K Spooner, Alex I Wiesman, Amy L Proskovec, Elizabeth Heinrichs-Graham, Tony W Wilson
Sensory gating is a neurophysiological process whereby the response to a second stimulus in a pair of identical stimuli is attenuated, and it is thought to reflect the capacity of the CNS to preserve neural resources for behaviorally relevant stimuli. Such gating is observed across multiple sensory modalities and is modulated by age, but the mechanisms involved are not understood. In this study, we examined somatosensory gating in 68 healthy adults using magnetoencephalography (MEG) and advanced oscillatory and time-domain analysis methods...
January 12, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29342237/the-roles-of-subdivisions-of-human-insula-in-emotion-perception-and-auditory-processing
#18
Yang Zhang, Wenjing Zhou, Siyu Wang, Qin Zhou, Haixiang Wang, Bingqing Zhang, Juan Huang, Bo Hong, Xiaoqin Wang
Previous studies have shown insular activations involving sensory, motor, and affective processing. However, the functional roles of subdivisions within the human insula are still not well understood. In the present study, we used intracranial electroencephalography and electrical cortical stimulation to investigate the causal roles of subdivisions of the insula in auditory emotion perception in epilepsy patients implanted with depth electrodes in this brain region. The posterior and the anterior subdivisions of the human insula, identified based on structural and functional analyses, showed distinct response properties to auditory emotional stimuli...
January 12, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29342235/estimation-of-lead-exposure-prevalence-in-korean-population-through-combining-multiple-experts-judgment-based-on-objective-data-sources
#19
Dong-Hee Koh, Ju-Hyun Park, Sang-Gil Lee, Hwan-Cheol Kim, Sangjun Choi, Hyejung Jung, Jae-Oh Park, Dong-Uk Park
Objective: Estimating carcinogen exposure prevalence is important for preventing occupational cancers. To develop the Korean version of CARcinogen EXposure (CAREX), a carcinogen surveillance system used in many countries, we estimated lead exposure prevalence in the Korean working population. Methods: We used three Korean nationwide data sources to obtain objective database-derived prevalences of lead exposure across industries: airborne lead measurement data from the work environment measurement database (WEMD), blood lead measurement data from the special health examination database (SHED), and lead exposure prevalence computed using data from the work environment condition survey (WECS), which is a nationwide occupational exposure survey...
January 12, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29342221/genotype-by-environment-interactions-affecting-heterosis-in-maize
#20
Zhi Li, Lisa Coffey, Jacob Garfin, Nathan D Miller, Michael R White, Edgar P Spalding, Natalia de Leon, Shawn M Kaeppler, Patrick S Schnable, Nathan M Springer, Candice N Hirsch
The environment can influence heterosis, the phenomena in which the offspring of two inbred parents exhibits phenotypic performance beyond the inbred parents for specific traits. In this study we measured 25 traits in a set of 47 maize hybrids and their inbred parents grown in 16 different environments with varying levels of average productivity. By quantifying 25 vegetative and reproductive traits across the life cycle we were able to analyze interactions between the environment and multiple distinct instances of heterosis...
2018: PloS One
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