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https://www.readbyqxmd.com/read/28222073/a-phase-i-study-of-intravenous-and-oral-rucaparib-in-combination-with-chemotherapy-in-patients-with-advanced-solid-tumours
#1
Richard H Wilson, Tr Jeffry Evans, Mark R Middleton, L Rhoda Molife, James Spicer, Veronique Dieras, Patricia Roxburgh, Heidi Giordano, Sarah Jaw-Tsai, Sandra Goble, Ruth Plummer
BACKGROUND: This study evaluated safety, pharmacokinetics, and clinical activity of intravenous and oral rucaparib, a poly(ADP-ribose) polymerase inhibitor, combined with chemotherapy in patients with advanced solid tumours. METHODS: Initially, patients received escalating doses of intravenous rucaparib combined with carboplatin, carboplatin/paclitaxel, cisplatin/pemetrexed, or epirubicin/cyclophosphamide. Subsequently, the study was amended to focus on oral rucaparib (once daily, days 1-14) combined with carboplatin (day 1) in 21-day cycles...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28221951/time-temperature-profiling-of-united-kingdom-consumers-domestic-refrigerators
#2
Ellen W Evans, Elizabeth C Redmond
Increased consumer demand for convenience and ready-to-eat food, along with changes to consumer food purchase and storage practices, have resulted in an increased reliance on refrigeration to maximize food safety. Previous research suggests that many domestic refrigerators operate at temperatures exceeding recommendations; however, the results of several studies were determined by means of one temperature data point, which, given temperature fluctuation, may not be a true indicator of actual continual operating temperatures...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221949/growth-of-escherichia-coli-o157-h7-non-o157-shiga-toxin-producing-escherichia-coli-and-salmonella-in-water-and-hydroponic-fertilizer-solutions
#3
Angela Shaw, Kara Helterbran, Michael R Evans, Christopher Currey
The desire for local, fresh produce year round is driving the growth of hydroponic growing systems in the United States. Many food crops, such as leafy greens and culinary herbs, grown within hydroponics systems have their root systems submerged in recirculating nutrient-dense fertilizer solutions from planting through harvest. If a foodborne pathogen were introduced into this water system, the risk of contamination to the entire crop would be high. Hence, this study was designed to determine whether Escherichia coli O157:H7, non-O157 Shiga toxin-producing E...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221903/prevalence-and-level-of-listeria-monocytogenes-in-ice-cream-linked-to-a-listeriosis-outbreak-in-the-united-states
#4
Y I Chen, Laurel S Burall, Dumitru Macarisin, Régis Pouillot, Errol Strain, Antonio J DE Jesus, Anna Laasri, Hua Wang, Laila Ali, Aparna Tatavarthy, Guodong Zhang, Lijun Hu, James Day, Jihun Kang, Surasri Sahu, Devayani Srinivasan, Karl Klontz, Mickey Parish, Peter S Evans, Eric W Brown, Thomas S Hammack, Donald L Zink, Atin R Datta
A most-probable-number (MPN) method was used to enumerate Listeria monocytogenes in 2,320 commercial ice cream scoops manufactured on a production line that was implicated in a 2015 listeriosis outbreak in the United States. The analyzed samples were collected from seven lots produced in November 2014, December 2014, January 2015, and March 2015. L. monocytogenes was detected in 99% (2,307 of 2,320) of the tested samples (lower limit of detection, 0.03 MPN/g), 92% of which were contaminated at <20 MPN/g...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221897/variations-among-physicians-in-hospice-referrals-of-patients-with-advanced-cancer
#5
Xiao Wang, Louise S Knight, Anne Evans, Jiangxia Wang, Thomas J Smith
PURPOSE: The benefits of hospice for patients with end-stage disease are well established. Although hospice use is increasing, a growing number of patients are enrolled for ≤ 7 days, a marker of poor quality of care and patient and family dissatisfaction. In this study, we examined variations in referrals among individuals and groups of physicians to assess a potential source of suboptimal hospice use. METHODS: We conducted a retrospective chart review of 452 patients with advanced cancer referred to hospice from a comprehensive cancer center...
February 21, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28221360/why-copper-is-preferred-over-iron-for-oxygen-activation-and-reduction-in-haem-copper-oxidases
#6
Ambika Bhagi-Damodaran, Matthew A Michael, Qianhong Zhu, Julian Reed, Braddock A Sandoval, Evan N Mirts, Saumen Chakraborty, Pierre Moënne-Loccoz, Yong Zhang, Yi Lu
Haem-copper oxidase (HCO) catalyses the natural reduction of oxygen to water using a haem-copper centre. Despite decades of research on HCOs, the role of non-haem metal and the reason for nature's choice of copper over other metals such as iron remains unclear. Here, we use a biosynthetic model of HCO in myoglobin that selectively binds different non-haem metals to demonstrate 30-fold and 11-fold enhancements in the oxidase activity of Cu- and Fe-bound HCO mimics, respectively, as compared with Zn-bound mimics...
March 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28221240/the-residual-vaccine-preventable-burden-of-rotavirus-disease
#7
Bethany K Sederdahl, Jumi Yi, Robert Jerris, Scott E Gillespie, Lars F Westblade, Colleen S Kraft, Andi L Shane, Ben Lopman, Evan J Anderson
From July 2007-June 2015, 61% of rotavirus-positive, vaccine-eligible children were unvaccinated for rotavirus. Of these, 67% of children had received DTaP within the recommended age for rotavirus vaccine initiation. Improving linkage between rotavirus and DTaP administration may impact the residual burden of U.S. rotavirus disease.
February 15, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28221060/outcomes-for-adolescents-who-comply-with-long-term-psychosocial-treatment-for-adhd
#8
Brandon K Schultz, Steven W Evans, Joshua M Langberg, Alexander M Schoemann
OBJECTIVE: We conducted a large (N = 216) multisite clinical trial of the Challenging Horizons Program (CHP)-a yearlong afterschool program that provides academic and interpersonal skills training for adolescents with attention-deficit/hyperactivity disorder. Intent-to-treat analyses suggest that, as predicted, the CHP resulted in significant reductions in problem behaviors and academic impairment when compared to community care. However, attendance in the CHP ranged from zero to 60 sessions, raising questions about optimal dosing...
March 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28220894/inhibition-of-n1-src-kinase-by-a-specific-sh3-peptide-ligand-reveals-a-role-for-n1-src-in-neurite-elongation-by-l1-cam
#9
Sarah Keenan, Sarah J Wetherill, Christopher I Ugbode, Sangeeta Chawla, William J Brackenbury, Gareth J O Evans
In the mammalian brain the ubiquitous tyrosine kinase, C-Src, undergoes splicing to insert short sequences in the SH3 domain to yield N1- and N2-Src. We and others have previously shown that the N-Srcs have altered substrate specificity and kinase activity compared to C-Src. However, the exact functions of the N-Srcs are unknown and it is likely that N-Src signalling events have been misattributed to C-Src because they cannot be distinguished by conventional Src inhibitors that target the kinase domain. By screening a peptide phage display library, we discovered a novel ligand (PDN1) that targets the unique SH3 domain of N1-Src and inhibits N1-Src in cells...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220212/rho-kinase-inhibition-ameliorates-cyclophosphamide-induced-cystitis-in-rats
#10
Andrzej Wróbel, Urszula Doboszewska, Ewa Rechberger, Karol Rojek, Anna Serefko, Ewa Poleszak, Krystyna Skalicka-Woźniak, Jarosław Dudka, Piotr Wlaź
Hemorrhagic cystitis often develops in patients treated with cyclophosphamide (CYP). Studies have indicated that Rho kinase (ROCK) inhibitors may suppress detrusor overactivity symptoms and possess anti-inflammatory properties. The aim of the present study was to investigate whether inhibition of ROCK reduces cystometric and histopathological changes associated with CYP-induced cystitis. The rats received GSK 269962, a ROCK inhibitor, at a dose of 30 mg/kg daily, or vehicle for 7 days. Then, acute chemical cystitis leading to bladder overactivity was induced by CYP injection (200 mg/kg i...
February 21, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28220056/a-lipidomic-and-metabolomic-serum-signature-from-nonhuman-primates-exposed-to-ionizing-radiation
#11
Evan L Pannkuk, Evagelia C Laiakis, Tytus D Mak, Giuseppe Astarita, Simon Authier, Karen Wong, Albert J Fornace
INTRODUCTION: Due to dangers associated with potential accidents from nuclear energy and terrorist threats, there is a need for high-throughput biodosimetry to rapidly assess individual doses of radiation exposure. Lipidomics and metabolomics are becoming common tools for determining global signatures after disease or other physical insult and provide a "snapshot" of potential cellular damage. OBJECTIVES: The current study assesses changes in the nonhuman primate (NHP) serum lipidome and metabolome 7 days following exposure to ionizing radiation (IR)...
May 2016: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28219982/enhanced-sensitivity-to-hyperpolarizing-inhibition-in-mesoaccumbal-relative-to-nigrostriatal-dopamine-neuron-subpopulations
#12
Rahilla A Tarfa, Rebekah C Evans, Zayd M Khaliq
Midbrain dopamine neurons recorded in vivo pause their firing in response to reward omission and aversive stimuli. While the initiation of pauses typically involves synaptic or modulatory input, intrinsic membrane properties may also enhance or limit hyperpolarization raising the question of how intrinsic conductances shape pauses in dopamine neurons. Using retrograde labeling and electrophysiological techniques combined with computational modeling, we examined the intrinsic conductances that shape pauses evoked by current injections and synaptic stimulation in subpopulations of dopamine neurons grouped according to their axonal projections to the nucleus accumbens or dorsal striatum in mice...
February 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28219960/comparison-of-substance-use-subjective-well-being-and-interpersonal-relationships-among-young-people-in-foster-care-and-private-households-a-cross-sectional-analysis-of-the-school-health-research-network-survey-in-wales
#13
Sara Jayne Long, Rhiannon E Evans, Adam Fletcher, Gillian Hewitt, Simon Murphy, Honor Young, Graham F Moore
OBJECTIVE: To investigate the association of living in foster care (FC) with substance use and subjective well-being in a sample of secondary school students (11-16 years) in Wales in 2015/16, and to examine whether these associations are attenuated by the perceived quality of interpersonal relationships. DESIGN: Cross-sectional, population-based health behaviour and lifestyle questionnaire. SETTING AND PARTICIPANTS: Wales, UK; young people who took part in the 2015/16 School Health Research Network (SHRN) questionnaire (n=32 479)...
February 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28219905/david-howel-bayton
#14
Evan Aled Bayton
No abstract text is available yet for this article.
February 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28219456/an-electronic-competency-based-evaluation-tool-for-assessing-humanitarian-competencies-in-a-simulated-exercise
#15
Andrea B Evans, Jennifer M Hulme, Peter Nugus, Hilarie H Cranmer, Melanie Coutu, Kirsten Johnson
METHODS: The evaluation tool was first derived from the formerly Consortium of British Humanitarian Agencies' (CBHA; United Kingdom), now "Start Network's," Core Humanitarian Competency Framework and formatted in an electronic data capture tool that allowed for offline evaluation. During a 3-day humanitarian simulation event, participants in teams of eight to 10 were evaluated individually at multiple injects by trained evaluators. Participants were assessed on five competencies and a global rating scale...
February 21, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28219400/alleviation-of-secondary-brain-injury-posttraumatic-inflammation-and-brain-edema-formation-by-inhibition-of-factor-xiia
#16
Sarah Hopp, Marc W Nolte, Christian Stetter, Christoph Kleinschnitz, Anna-Leena Sirén, Christiane Albert-Weissenberger
BACKGROUND: Traumatic brain injury (TBI) is a devastating neurological condition and a frequent cause of permanent disability. Posttraumatic inflammation and brain edema formation, two pathological key events contributing to secondary brain injury, are mediated by the contact-kinin system. Activation of this pathway in the plasma is triggered by activated factor XII. Hence, we set out to study in detail the influence of activated factor XII on the abovementioned pathophysiological features of TBI...
February 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28219347/aquaculture-genomics-genetics-and-breeding-in-the-united-states-current-status-challenges-and-priorities-for-future-research
#17
EDITORIAL
Hisham Abdelrahman, Mohamed ElHady, Acacia Alcivar-Warren, Standish Allen, Rafet Al-Tobasei, Lisui Bao, Ben Beck, Harvey Blackburn, Brian Bosworth, John Buchanan, Jesse Chappell, William Daniels, Sheng Dong, Rex Dunham, Evan Durland, Ahmed Elaswad, Marta Gomez-Chiarri, Kamal Gosh, Ximing Guo, Perry Hackett, Terry Hanson, Dennis Hedgecock, Tiffany Howard, Leigh Holland, Molly Jackson, Yulin Jin, Karim Kahlil, Thomas Kocher, Tim Leeds, Ning Li, Lauren Lindsey, Shikai Liu, Zhanjiang Liu, Kyle Martin, Romi Novriadi, Ramjie Odin, Yniv Palti, Eric Peatman, Dina Proestou, Guyu Qin, Benjamin Reading, Caird Rexroad, Steven Roberts, Mohamed Salem, Andrew Severin, Huitong Shi, Craig Shoemaker, Sheila Stiles, Suxu Tan, Kathy F J Tang, Wilawan Thongda, Terrence Tiersch, Joseph Tomasso, Wendy Tri Prabowo, Roger Vallejo, Hein van der Steen, Khoi Vo, Geoff Waldbieser, Hanping Wang, Xiaozhu Wang, Jianhai Xiang, Yujia Yang, Roger Yant, Zihao Yuan, Qifan Zeng, Tao Zhou
Advancing the production efficiency and profitability of aquaculture is dependent upon the ability to utilize a diverse array of genetic resources. The ultimate goals of aquaculture genomics, genetics and breeding research are to enhance aquaculture production efficiency, sustainability, product quality, and profitability in support of the commercial sector and for the benefit of consumers. In order to achieve these goals, it is important to understand the genomic structure and organization of aquaculture species, and their genomic and phenomic variations, as well as the genetic basis of traits and their interrelationships...
February 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28218978/biochemical-characterization-of-metabolism-based-atrazine-resistance-in-amaranthus-tuberculatus-and-identification-of-an-expressed-gst-associated-with-resistance
#18
Anton F Evans, Sarah R O'Brien, Rong Ma, Aaron G Hager, Chance W Riggins, Kris N Lambert, Dean E Riechers
Rapid detoxification of atrazine in naturally tolerant crops such as maize (Zea mays) and grain sorghum (Sorghum bicolor) results from glutathione S-transferase (GST) activity. In previous research, two atrazine-resistant waterhemp (Amaranthus tuberculatus) populations from Illinois, U.S.A. (designated ACR and MCR) displayed rapid formation of atrazine-glutathione (GSH) conjugates, implicating elevated rates of metabolism as the resistance mechanism. Our main objective was to utilize protein purification combined with qualitative proteomics to investigate the hypothesis that enhanced atrazine detoxification, catalyzed by distinct GSTs, confers resistance in ACR and MCR...
February 20, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28218913/ligand-promoted-protein-folding-by-biased-kinetic-partitioning
#19
Karan S Hingorani, Matthew C Metcalf, Derrick T Deming, Scott C Garman, Evan T Powers, Lila M Gierasch
Protein folding in cells occurs in the presence of high concentrations of endogenous binding partners, and exogenous binding partners have been exploited as pharmacological chaperones. A combined mathematical modeling and experimental approach shows that a ligand improves the folding of a destabilized protein by biasing the kinetic partitioning between folding and alternative fates (aggregation or degradation). Computationally predicted inhibition of test protein aggregation and degradation as a function of ligand concentration are validated by experiments in two disparate cellular systems...
February 20, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28218824/decreased-home-cage-movement-and-oromotor-impairments-in-adult-fmr1-ko-mice
#20
Stephen J Bonasera, Tammy R Chaudoin, Evan H Goulding, Mateusz Mittek, Anna Dunaevsky
Fragile X syndrome (FXS) is a common inherited disorder that significantly impacts family and patient day-to-day living across the entire lifespan. The childhood and adolescent behavioral consequences of FXS are well-appreciated. However, there are significantly fewer studies (except those examining psychiatric comorbidities) assessing behavioral phenotypes seen in adults with FXS. Mice engineered with a genetic lesion of Fmr1 recapitulate important molecular and neuroanatomical characteristics of FXS, and provide a means to evaluate adult behavioral phenotypes associated with FXS...
February 20, 2017: Genes, Brain, and Behavior
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