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Paul Carter

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https://www.readbyqxmd.com/read/28991882/belief-in-treatment-as-prevention-and-its-relationship-to-hiv-status-and-behavioral-risk
#1
Kiffer G Card, Heather L Armstrong, Nathan J Lachowsky, Zishan Cui, Paul Sereda, M Allison Carter, Julio S G Montaner, Robert S Hogg, Eric A Roth, David M Moore
BACKGROUND: We evaluated attitudes towards Treatment as Prevention (TasP) among gay, bisexual, and other men who have sex with men (GBM) in Vancouver, Canada. METHODS: Sexually-active GBM, aged >16, were recruited between 2012-2015 using respondentdriven sampling. At each six-month follow-up, participants completed a computer-administered questionnaire and nursing visit. Repeated measures latent class analysis (RMLCA), grouped by self-reported serostatus, identified patterns of TasP-endorsement by considering TasP-related awareness, attitudes, and behavior...
October 4, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28984141/dabrafenib-and-trametinib-in-brafv600e-mutated-glioma
#2
Nicholas F Brown, Thomas Carter, Neil Kitchen, Paul Mulholland
BRAFV600E mutations have been identified in a number of glioma subtypes, most frequently in pleomorphic xanthoastrocytoma, ganglioglioma, pilocytic astrocytoma, and epithelioid glioblastoma. Although the development of BRAF inhibitors has dramatically improved the clinical outcome for patients with BRAFV600E mutant tumors, resistance develops in a majority of patients due to reactivation of the MAPK pathway. Addition of MEK inhibition to BRAF inhibition improves survival. Here we report successful treatment of two patients with BRAFV600E mutant pleomorphic xanthoastrocytoma using the BRAF inhibitor dabrafenib in combination with the MEK inhibitor trametinib...
October 6, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28957412/cohort-profile-the-canadian-hiv-women-s-sexual-and-reproductive-health-cohort-study-chiwos
#3
Mona Loutfy, Alexandra de Pokomandy, V Logan Kennedy, Allison Carter, Nadia O'Brien, Karène Proulx-Boucher, Erin Ding, Johanna Lewis, Valerie Nicholson, Kerrigan Beaver, Saara Greene, Wangari Tharao, Anita Benoit, Danièle Dubuc, Jamie Thomas-Pavanel, Paul Sereda, Shahab Jabbari, Jayson H Shurgold, Guillaume Colley, Robert S Hogg, Angela Kaida
Globally, women are at increased vulnerability to HIV due to biological, social, structural, and political reasons. Women living with HIV also experience unique issues related to their medical and social healthcare, which makes a clinical care model specific to their needs worthy of exploration. Furthermore, there is a dearth of research specific to women living with HIV. Research for this population has often been narrowly focused on pregnancy-related issues without considering their complex structural inequalities, social roles, and healthcare and biological needs...
2017: PloS One
https://www.readbyqxmd.com/read/28915554/resistance-to-ctla-4-checkpoint-inhibition-reversed-through-selective-elimination-of-granulocytic-myeloid-cells
#4
Paul E Clavijo, Ellen C Moore, Jianhong Chen, Ruth J Davis, Jay Friedman, Young Kim, Carter Van Waes, Zhong Chen, Clint T Allen
PURPOSE: Local immunosuppression remains a critical problem that limits clinically meaningful response to checkpoint inhibition in patients with head and neck cancer. Here, we assessed the impact of MDSC elimination on responses to CTLA-4 checkpoint inhibition. EXPERIMENTAL DESIGN: Murine syngeneic carcinoma immune infiltrates were characterized by flow cytometry. Granulocytic MDSCs (gMDSCs) were depleted and T-lymphocyte antigen-specific responses were measured...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28860521/the-value-of-coastal-wetlands-for-flood-damage-reduction-in-the-northeastern-usa
#5
Siddharth Narayan, Michael W Beck, Paul Wilson, Christopher J Thomas, Alexandra Guerrero, Christine C Shepard, Borja G Reguero, Guillermo Franco, Jane Carter Ingram, Dania Trespalacios
As exposure to coastal hazards increases there is growing interest in nature-based solutions for risk reduction. This study uses high-resolution flood and loss models to quantify the impacts of coastal wetlands in the northeastern USA on (i) regional flood damages by Hurricane Sandy and (ii) local annual flood losses in Barnegat Bay in Ocean County, New Jersey. Using an extensive database of property exposure, the regional study shows that wetlands avoided $625 Million in direct flood damages during Hurricane Sandy...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28855173/sirukumab-for-rheumatoid-arthritis-the-phase-iii-sirround-d-study
#6
Tsutomu Takeuchi, Carter Thorne, George Karpouzas, Shihong Sheng, Weichun Xu, Ravi Rao, Kaiyin Fei, Benjamin Hsu, Paul P Tak
OBJECTIVES: Interleukin-6 (IL-6) is implicated in rheumatoid arthritis (RA) pathophysiology. Unlike IL-6 receptor inhibitors, sirukumab is a human monoclonal antibody that selectively binds to the IL-6 cytokine. The phase III, multicentre, randomised, double-blind, placebo-controlled, parallel-group SIRROUND-D study (ClinicalTrials.gov identifier NCT01604343) evaluated the efficacy and safety of sirukumab in patients with active RA refractory to disease-modifying antirheumatic drugs. METHODS: Patients were randomised 1:1:1 to treatment with sirukumab 100 mg every 2 weeks, 50 mg every 4 weeks or placebo every 2 weeks subcutaneously...
August 30, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28854978/the-neoepitope-landscape-in-pediatric-cancers
#7
Ti-Cheng Chang, Robert A Carter, Yongjin Li, Yuxin Li, Hong Wang, Michael N Edmonson, Xiang Chen, Paula Arnold, Terrence L Geiger, Gang Wu, Junmin Peng, Michael Dyer, James R Downing, Douglas R Green, Paul G Thomas, Jinghui Zhang
BACKGROUND: Neoepitopes derived from tumor-specific somatic mutations are promising targets for immunotherapy in childhood cancers. However, the potential for such therapies in targeting these epitopes remains uncertain due to a lack of knowledge of the neoepitope landscape in childhood cancer. Studies to date have focused primarily on missense mutations without exploring gene fusions, which are a major class of oncogenic drivers in pediatric cancer. METHODS: We developed an analytical workflow for identification of putative neoepitopes based on somatic missense mutations and gene fusions using whole-genome sequencing data...
August 31, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28846090/an-improved-atac-seq-protocol-reduces-background-and-enables-interrogation-of-frozen-tissues
#8
M Ryan Corces, Alexandro E Trevino, Emily G Hamilton, Peyton G Greenside, Nicholas A Sinnott-Armstrong, Sam Vesuna, Ansuman T Satpathy, Adam J Rubin, Kathleen S Montine, Beijing Wu, Arwa Kathiria, Seung Woo Cho, Maxwell R Mumbach, Ava C Carter, Maya Kasowski, Lisa A Orloff, Viviana I Risca, Anshul Kundaje, Paul A Khavari, Thomas J Montine, William J Greenleaf, Howard Y Chang
We present Omni-ATAC, an improved ATAC-seq protocol for chromatin accessibility profiling that works across multiple applications with substantial improvement of signal-to-background ratio and information content. The Omni-ATAC protocol generates chromatin accessibility profiles from archival frozen tissue samples and 50-μm sections, revealing the activities of disease-associated DNA elements in distinct human brain structures. The Omni-ATAC protocol enables the interrogation of personal regulomes in tissue context and translational studies...
October 2017: Nature Methods
https://www.readbyqxmd.com/read/28835490/asymptomatic-primary-infection-with-epstein-barr-virus-observations-on-young-adult-cases
#9
Rachel J Abbott, Annette Pachnio, Isabela Pedroza-Pacheco, Alison M Leese, Jusnara Begum, Heather M Long, Debbie Croom-Carter, Andrea Stacey, Paul A H Moss, Andrew D Hislop, Persephone Borrow, Alan B Rickinson, Andrew I Bell
Epstein-Barr virus (EBV) is typically acquired asymptomatically in childhood. In contrast, infection later in life often leads to infectious mononucleosis (IM), a febrile illness characterized by anti-EBV IgM antibody positivity, high loads of circulating latently infected B cells, and a marked lymphocytosis caused by hyperexpansion of EBV-specific CD8(+) T cells plus a milder expansion of CD56(dim) NKG2A(+) KIR(-) natural killer (NK) cells. How the two situations compare is unclear due to the paucity of studies on clinically silent infection...
November 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28814455/national-randomized-controlled-trial-of-virtual-house-calls-for-parkinson-disease
#10
RANDOMIZED CONTROLLED TRIAL
Christopher A Beck, Denise B Beran, Kevin M Biglan, Cynthia M Boyd, E Ray Dorsey, Peter N Schmidt, Richard Simone, Allison W Willis, Nicholas B Galifianakis, Maya Katz, Caroline M Tanner, Kristen Dodenhoff, Jason Aldred, Julie Carter, Andrew Fraser, Joohi Jimenez-Shahed, Christine Hunter, Meredith Spindler, Suzanne Reichwein, Zoltan Mari, Becky Dunlop, John C Morgan, Dedi McLane, Patrick Hickey, Lisa Gauger, Irene Hegeman Richard, Nicte I Mejia, Grace Bwala, Martha Nance, Ludy C Shih, Carlos Singer, Silvia Vargas-Parra, Cindy Zadikoff, Natalia Okon, Andrew Feigin, Jean Ayan, Christina Vaughan, Rajesh Pahwa, Rohit Dhall, Anhar Hassan, Steven DeMello, Sara S Riggare, Paul Wicks, Meredith A Achey, Molly J Elson, Steven Goldenthal, H Tait Keenan, Ryan Korn, Heidi Schwarz, Saloni Sharma, E Anna Stevenson, William Zhu
OBJECTIVE: To determine whether providing remote neurologic care into the homes of people with Parkinson disease (PD) is feasible, beneficial, and valuable. METHODS: In a 1-year randomized controlled trial, we compared usual care to usual care supplemented by 4 virtual visits via video conferencing from a remote specialist into patients' homes. Primary outcome measures were feasibility, as measured by the proportion who completed at least one virtual visit and the proportion of virtual visits completed on time; and efficacy, as measured by the change in the Parkinson's Disease Questionnaire-39, a quality of life scale...
September 12, 2017: Neurology
https://www.readbyqxmd.com/read/28810980/risk-factors-for-rhabdomyolysis-in-the-u-s-army
#11
Owen T Hill, Dennis E Scofield, Jenna Usedom, Lakmini Bulathsinhala, Craig McKinnon, Paul Kwon, Timothy Haley, Robert Carter
The standardized mortality rate of rhabdomyolysis (RM) in Active Duty U.S. Army Soldiers is considerably higher than in the civilian population. RM occurs when large amounts of intracellular contents from damaged skeletal muscle escape into circulation, leading to serious sequelae (e.g., acute renal failure, hyperkalemia, compartment syndrome). Extended physical exertion, especially in hot environments, and trauma can precipitate RM. The aim of this study was to identify RM risk factors among U.S. Active Duty Army (ADA) Soldiers...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28792208/fiber-coupled-substrate-integrated-hollow-waveguides-an-innovative-approach-to-mid-infrared-remote-gas-sensors
#12
Erhan Tütüncü, Vjekoslav Kokoric, Andreas Wilk, Felicia Seichter, Michael Schmid, William E Hunt, Anastacia M Manuel, Paul Mirkarimi, Jennifer B Alameda, J Chance Carter, Boris Mizaikoff
In this study, an innovative approach based on fiberoptically coupled substrate-integrated hollow waveguide (iHWG) gas cells for the analysis of low sample volumes suitable for remote broad- and narrow-band mid-infrared (MIR; 2.5-20 μm) sensing applications is reported. The feasibility of remotely addressing iHWG gas cells, configured in a double-pass geometry via a reflector, by direct coupling to a 7-around-1 mid-infrared fiber bundle is demonstrated, facilitating low-level hydrocarbon gas analysis. For comparison studies, two iHWGs with substrate dimensions of 50 × 50 × 12 mm (L × W × H) and geometric channel lengths of 138 and 58...
September 22, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28774886/minimally-invasive-and-endoscopic-versus-open-necrosectomy-for-necrotising-pancreatitis-a-pooled-analysis-of-individual-data-for-1980-patients
#13
Sandra van Brunschot, Robbert A Hollemans, Olaf J Bakker, Marc G Besselink, Todd H Baron, Hans G Beger, Marja A Boermeester, Thomas L Bollen, Marco J Bruno, Ross Carter, Jeremy J French, Djalma Coelho, Björn Dahl, Marcel G Dijkgraaf, Nilesh Doctor, Peter J Fagenholz, Gyula Farkas, Carlos Fernandez Del Castillo, Paul Fockens, Martin L Freeman, Timothy B Gardner, Harry van Goor, Hein G Gooszen, Gerjon Hannink, Rajiv Lochan, Colin J McKay, John P Neoptolemos, Atilla Oláh, Rowan W Parks, Miroslav P Peev, Michael Raraty, Bettina Rau, Thomas Rösch, Maroeska Rovers, Hans Seifert, Ajith K Siriwardena, Karen D Horvath, Hjalmar C van Santvoort
OBJECTIVE: Minimally invasive surgical necrosectomy and endoscopic necrosectomy, compared with open necrosectomy, might improve outcomes in necrotising pancreatitis, especially in critically ill patients. Evidence from large comparative studies is lacking. DESIGN: We combined original and newly collected data from 15 published and unpublished patient cohorts (51 hospitals; 8 countries) on pancreatic necrosectomy for necrotising pancreatitis. Death rates were compared in patients undergoing open necrosectomy versus minimally invasive surgical or endoscopic necrosectomy...
August 3, 2017: Gut
https://www.readbyqxmd.com/read/28766476/general-steps-to-standardize-the-laboratory-measurement-of-serum-total-25-hydroxyvitamin-d
#14
Christopher T Sempos, Joseph M Betz, Johanna E Camara, Graham D Carter, Etienne Cavalier, Michael W Clarke, Kirsten G Dowling, Ramon A Durazo-Arvizu, Andrew N Hoofnagle, Andy Liu, Karen W Phinney, Kurtis Sarafin, Stephen A Wise, Paul M Coates
The Vitamin D Standardization Program (VDSP) has collaborated with numerous groups and agencies to assemble a set of tools, i.e., a reference measurement system, that can be used to establish the traceability of 25-hydroxyvitamin D [25(OH)D] assays to relevant reference measurement procedures and reference materials. This is done with the goal of verifying end-user laboratory performance using precise statistical criteria to determine whether a specific assay is standardized. The purpose of this paper was to outline a set of steps that routine clinical and research laboratories can use to standardize their 25(OH)D assays using these tools...
September 1, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28727196/insulin-regimens-for-newly-diagnosed-children-with-type-1-diabetes-mellitus-in-australia-and-new-zealand-a-survey-of-current-practice
#15
Dharrshinee Selvakumar, Hesham S Al-Sallami, Martin de Bock, Geoffrey R Ambler, Paul Benitez-Aguirre, Esko Wiltshire, Elaine Tham, Peter Simm, Louise S Conwell, Phillipa J Carter, Benjamin B Albert, Jinny Willis, Benjamin J Wheeler
AIM: There is no consensus on the optimal insulin treatment for children newly diagnosed with type 1 diabetes mellitus (T1DM). The aims of this study were (i) to describe the insulin regimens used at diagnosis by patient age and geographical region and (ii) to explore differences between and within Australia (AU) and New Zealand (NZ) with regards to other aspects of patient management and education. METHODS: An online survey of medical professionals caring for children with T1DM in AU and NZ was undertaken...
July 20, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28723667/resistance-to-ctla-4-checkpoint-inhibition-reversed-through-selective-elimination-of-granulocytic-myeloid-cells
#16
Paul E Clavijo, Ellen C Moore, Jianhong Chen, Ruth J Davis, Jay Friedman, Young Kim, Carter Van Waes, Zhong Chen, Clint T Allen
PURPOSE: Local immunosuppression remains a critical problem that limits clinically meaningful response to checkpoint inhibition in patients with head and neck cancer. Here, we assessed the impact of MDSC elimination on responses to CTLA-4 checkpoint inhibition. EXPERIMENTAL DESIGN: Murine syngeneic carcinoma immune infiltrates were characterized by flow cytometry. Granulocytic MDSCs (gMDSCs) were depleted and T-lymphocyte antigen-specific responses were measured...
June 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722634/cystic-echinococcosis-in-turkana-kenya-the-role-of-cross-sectional-screening-surveys-in-assessing-the-prevalence-of-human-infection
#17
COMPARATIVE STUDY
Nadia Solomon, Eberhard Zeyhle, Jane Carter, John Wachira, Asrat Mengiste, Thomas Romig, Paul J Fields, Calum N L Macpherson
Cystic echinococcosis (CE) is a neglected zoonotic disease caused by Echinococcus granulosus. Infection leads to formation of cysts within the viscera of the human host. In the 1980s, the transhumant population of northwest Turkana, Kenya, was found to have the highest prevalence of CE in the world. In 1983, AMREF Health Africa and the Kenya Medical and Research Institute launched a CE Control Program in northwest Turkana, screening and treating the local people. This epidemiological study of CE in Turkana analyses approximately 30 years of surveillance and surgical data...
August 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719151/staged-treatment-in-early-psychosis-a-sequential-multiple-assignment-randomised-trial-of-interventions-for-ultra-high-risk-of-psychosis-patients
#18
REVIEW
Barnaby Nelson, G Paul Amminger, Hok Pan Yuen, Nicky Wallis, Melissa J Kerr, Lisa Dixon, Cameron Carter, Rachel Loewy, Tara A Niendam, Martha Shumway, Sarah Morris, Julie Blasioli, Patrick D McGorry
AIM: Previous research indicates that preventive intervention is likely to benefit patients "at risk" of psychosis, in terms of functional improvement, symptom reduction and delay or prevention of onset of threshold psychotic disorder. The primary aim of the current study is to test outcomes of ultra high risk (UHR) patients, primarily functional outcome, in response to a sequential intervention strategy consisting of support and problem solving (SPS), cognitive-behavioural case management and antidepressant medication...
July 18, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28706569/supercritical-antisolvent-precipitation-of-amorphous-copper-zinc-georgeite-and-acetate-precursors-for-the-preparation-of-ambient-pressure-water-gas-shift-copper-zinc-oxide-catalysts
#19
Paul J Smith, Simon A Kondrat, James H Carter, Philip A Chater, Jonathan K Bartley, Stuart H Taylor, Michael S Spencer, Graham J Hutchings
A series of copper-zinc acetate and zincian georgeite precursors have been produced by supercritical CO2 antisolvent (SAS) precipitation as precursors to Cu/ZnO catalysts for the water gas shift (WGS) reaction. The amorphous materials were prepared by varying the water/ethanol volumetric ratio in the initial metal acetate solutions. Water addition promoted georgeite formation at the expense of mixed metal acetates, which are formed in the absence of the water co-solvent. Optimum SAS precipitation occurs without water to give high surface areas, whereas high water content gives inferior surface areas and copper-zinc segregation...
May 10, 2017: ChemCatChem
https://www.readbyqxmd.com/read/28704525/rapid-identification-of-genes-controlling-virulence-and-immunity-in-malaria-parasites
#20
Hussein M Abkallo, Axel Martinelli, Megumi Inoue, Abhinay Ramaprasad, Phonepadith Xangsayarath, Jesse Gitaka, Jianxia Tang, Kazuhide Yahata, Augustin Zoungrana, Hayato Mitaka, Arita Acharjee, Partha P Datta, Paul Hunt, Richard Carter, Osamu Kaneko, Ville Mustonen, Christopher J R Illingworth, Arnab Pain, Richard Culleton
Identifying the genetic determinants of phenotypes that impact disease severity is of fundamental importance for the design of new interventions against malaria. Here we present a rapid genome-wide approach capable of identifying multiple genetic drivers of medically relevant phenotypes within malaria parasites via a single experiment at single gene or allele resolution. In a proof of principle study, we found that a previously undescribed single nucleotide polymorphism in the binding domain of the erythrocyte binding like protein (EBL) conferred a dramatic change in red blood cell invasion in mutant rodent malaria parasites Plasmodium yoelii...
July 2017: PLoS Pathogens
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