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Paul Carter

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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
#1
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
#2
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
#3
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...
May 30, 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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28689947/a-novel-iliac-morphology-score-predicts-procedural-mortality-and-major-vascular-complications-in-transfemoral-aortic-valve-replacement
#7
Juliet Blakeslee-Carter, David Dexter, Paul Mahoney, Sadie Ahanchi, Samuel Steerman, Sebastian Larion, Brandon Cain, Jean Panneton
OBJECTIVES: Vascular complications remain a significant technical challenge for transfemoral TAVR (Transcatheter Aortic Valve Replacement). The goal of this study was to develop a pre-operative tool for prediction of major vascular complications of TAVR. METHODS: A retrospective review was performed of all patients who underwent transfemoral TAVR at a tertiary medical center from 2011-2015. Iliofemoral arterial measurements were obtained with CTA 3D reconstructions images and an Iliac Morphology Score (IMS) was created from these measurements...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28687669/atrioventricular-nodal-reentrant-tachycardia-in-patients-with-congenital-heart-disease-outcome-after-catheter-ablation
#8
John Papagiannis, Daniel Joseph Beissel, Ulrich Krause, Michel Cabrera, Marta Telishevska, Stephen Seslar, Christopher Johnsrude, Charles Anderson, Svjetlana Tisma-Dupanovic, Diana Connelly, Dimosthenis Avramidis, Christopher Carter, Laszlo Kornyei, Ian Law, Nicholas Von Bergen, Jan Janusek, Jennifer Silva, Eric Rosenthal, Mark Willcox, Peter Kubus, Gabriele Hessling, Thomas Paul
BACKGROUND: The relationship of atrioventricular nodal reentrant tachycardia to congenital heart disease (CHD) and the outcome of catheter ablation in this population have not been studied adequately. METHODS AND RESULTS: A multicenter retrospective study was performed on patients with CHD who had atrioventricular nodal reentrant tachycardia and were treated with catheter ablation. There were 109 patients (61 women), aged 22.1±13.4 years. The majority, 86 of 109 (79%), had CHD resulting in right heart pressure or volume overload...
July 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28683215/monitoring-lung-cancer-screening-utilization-and-outcomes-in-four-cancer-research-network-sites
#9
Michael K Gould, Lori C Sakoda, Debra P Ritzwoller, Michael J Simoff, Christine M Neslund-Dudas, Lawrence H Kushi, Lisa Carter-Harris, Heather Spencer Feigelson, George Minowada, V Paul Doria-Rose
RATIONALE: Lung cancer screening registries can monitor screening outcomes and improve quality of care. OBJECTIVES: To describe nascent lung cancer screening programs and share efficient data collection approaches for mandatory registry reporting in four integrated health care systems of the NCI-funded Cancer Research Network. METHODS: We documented the distinctive characteristics of lung cancer screening programs, provided examples of strategies to facilitate data collection, and described early challenges and possible solutions...
July 6, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28648661/de-novo-epigenetic-programs-inhibit-pd-1-blockade-mediated-t-cell-rejuvenation
#10
Hazem E Ghoneim, Yiping Fan, Ardiana Moustaki, Hossam A Abdelsamed, Pradyot Dash, Pranay Dogra, Robert Carter, Walid Awad, Geoff Neale, Paul G Thomas, Ben Youngblood
Immune-checkpoint-blockade (ICB)-mediated rejuvenation of exhausted T cells has emerged as a promising approach for treating various cancers and chronic infections. However, T cells that become fully exhausted during prolonged antigen exposure remain refractory to ICB-mediated rejuvenation. We report that blocking de novo DNA methylation in activated CD8 T cells allows them to retain their effector functions despite chronic stimulation during a persistent viral infection. Whole-genome bisulfite sequencing of antigen-specific murine CD8 T cells at the effector and exhaustion stages of an immune response identified progressively acquired heritable de novo methylation programs that restrict T cell expansion and clonal diversity during PD-1 blockade treatment...
June 29, 2017: Cell
https://www.readbyqxmd.com/read/28625807/evidence-for-altered-levels-of-immunoglobulin-d-in-the-nasal-airway-mucosa-of-patients-with-chronic-rhinosinusitis
#11
Jin-Young Min, Jayakar V Nayak, Kathryn E Hulse, Whitney W Stevens, Paul A Raju, Julia H Huang, Lydia A Suh, Griet A Van Roey, James E Norton, Roderick G Carter, Caroline P E Price, Ava R Weibman, Ali R Rashan, Eliver E Ghosn, Zara M Patel, Tetsuya Homma, David B Conley, Kevin C Welch, Stephanie Shintani-Smith, Anju T Peters, Leslie C Grammer, Kathleen E Harris, Atsushi Kato, Peter H Hwang, Robert C Kern, Leonore A Herzenberg, Robert P Schleimer, Bruce K Tan
BACKGROUND: Immunoglobulin D (IgD) is an enigmatic antibody isotype best known when co-expressed with IgM on naïve B cells. However, elevated soluble IgD (sIgD) and increased IgD(+)IgM(-) B cell populations have been described in the human upper respiratory mucosa. OBJECTIVE: We assessed whether levels of sIgD and IgD(+) B cells are altered in nasal tissue from patients with chronic rhinosinusitis (CRS). We further characterized IgD(+) B cell populations and explored clinical and local inflammatory factors associated with tissue sIgD levels...
June 15, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28624227/efficient-smn-rescue-following-subcutaneous-tricyclo-dna-antisense-oligonucleotide-treatment
#12
Valérie Robin, Graziella Griffith, John-Paul L Carter, Christian J Leumann, Luis Garcia, Aurélie Goyenvalle
Spinal muscular atrophy (SMA) is a recessive disease caused by mutations in the SMN1 gene, which encodes the protein survival motor neuron (SMN), whose absence dramatically affects the survival of motor neurons. In humans, the severity of the disease is lessened by the presence of a gene copy, SMN2. SMN2 differs from SMN1 by a C-to-T transition in exon 7, which modifies pre-mRNA splicing and prevents successful SMN synthesis. Splice-switching approaches using antisense oligonucleotides (AONs) have already been shown to correct this SMN2 gene transition, providing a therapeutic avenue for SMA...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28621572/changes-to-international-non-proprietary-names-for-antibody-therapeutics-2017-and-beyond-of-mice-men-and-more%C3%A2
#13
Paul W H I Parren, Paul J Carter, Andreas Plückthun
Active pharmaceutical substances require an International Nonproprietary Name (INN)assigned by the World Health Organization (WHO) to obtain market authorization as a medicinal product. INNsare selected to represent a unique, generic namefor a drug enablingunambiguous identification by stakeholders worldwide. INNs may be requested after initiating clinical development of an investigational drug. Pharmaceutical classes are indicated by a common stem or suffix. Currently, INNsfor monoclonal antibody-based drugs are recognized by the suffix, -mab,preceded by a source infixsuch as-xi- (chimeric),-zu- (humanized) or -u- (human) designating the species from which the antibody was derived...
June 16, 2017: MAbs
https://www.readbyqxmd.com/read/28607224/evaluation-of-focused-multipolar-stimulation-for-cochlear-implants-a-preclinical-safety-study
#14
Robert K Shepherd, Andrew K Wise, Ya Lang Enke, Paul M Carter, James B Fallon
OBJECTIVE: Cochlear implants (CIs) have a limited number of independent stimulation channels due to the highly conductive nature of the fluid-filled cochlea. Attempts to develop highly focused stimulation to improve speech perception in CI users includes the use of simultaneous stimulation via multiple current sources. Focused multipolar (FMP) stimulation is an example of this approach and has been shown to reduce interaction between stimulating channels. However, compared with conventional biphasic current pulses generated from a single current source, FMP is a complex stimulus that includes extended periods of stimulation before charge recovery is achieved, raising questions on whether chronic stimulation with this strategy is safe...
June 13, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28541707/identification-of-a-potent-selective-and-efficacious-phosphatidylinositol-3-kinase-%C3%AE-pi3k%C3%AE-inhibitor-for-the-treatment-of-immunological-disorders
#15
Qingjie Liu, Qing Shi, David Marcoux, Douglas G Batt, Lyndon Cornelius, Lan-Ying Qin, Zheming Ruan, James Neels, Myra Beaudoin-Bertrand, Anurag S Srivastava, Ling Li, Robert J Cherney, Hua Gong, Scott H Watterson, Carolyn Weigelt, Kathleen M Gillooly, Kim W McIntyre, Jenny H Xie, Mary T Obermeier, Aberra Fura, Bogdan Sleczka, Kevin Stefanski, R M Fancher, Shweta Padmanabhan, Thatipamula Rp, Ipsit Kundu, Kallem Rajareddy, Rodney Smith, James K Hennan, Dezhi Xing, Jingsong Fan, Paul C Levesque, Qian Ruan, Sidney Pitt, Rosemary Zhang, Donna Pedicord, Jie Pan, Melissa Yarde, Hao Lu, Jonathan Lippy, Christine Goldstine, Stacey Skala, Richard A Rampulla, Arvind Mathur, Anuradha Gupta, Pirama Nayagam Arunachalam, John S Sack, Jodi K Muckelbauer, Mary Ellen Cvijic, Luisa M Salter-Cid, Rajeev S Bhide, Michael A Poss, John Hynes, Percy H Carter, John E Macor, Stefan Ruepp, Gary L Schieven, Joseph A Tino
PI3Kδ plays an important role controlling immune cell function and has therefore been identified as a potential target for the treatment of immunological disorders. This article highlights our work toward the identification of a potent, selective, and efficacious PI3Kδ inhibitor. Through careful SAR, the successful replacement of a polar pyrazole group by a simple chloro or trifluoromethyl group led to improved Caco-2 permeability, reduced Caco-2 efflux, reduced hERG PC activity, and increased selectivity profile while maintaining potency in the CD69 hWB assay...
June 5, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28539665/copy-number-variants-and-candidate-gene-mutations-in-isolated-split-hand-foot-malformation
#16
Tonia C Carter, Robert J Sicko, Denise M Kay, Marilyn L Browne, Paul A Romitti, Zoё L Edmunds, Aiyi Liu, Ruzong Fan, Charlotte M Druschel, Michele Caggana, Lawrence C Brody, James L Mills
Split hand/foot malformation (SHFM) is a congenital limb deficiency with missing or shortened central digits. Some SHFM genes have been identified but the cause of many SHFM cases is unknown. We used single-nucleotide polymorphism (SNP) microarray analysis to detect copy-number variants (CNVs) in 25 SHFM cases without other birth defects from New York State (NYS), prioritized CNVs absent from population CNV databases, and validated these CNVs using quantitative real-time polymerase chain reaction (qPCR). We tested for the validated CNVs in seven cases from Iowa using qPCR, and also sequenced 36 SHFM candidate genes in all the subjects...
May 25, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28509346/role-of-quantitative-p16-ink4a-mrna-assay-and-digital-reading-of-p16-ink4a-immunostained-sections-in-diagnosis-of-cervical-intraepithelial-neoplasia
#17
Nataša Vasiljević, Paul D Carter, Caroline Reuter, Rhian Warman, Adam R Brentnall, James R Carton, Jack Cuzick, Attila T Lorincz
Visual interpretation of cervical biopsies is subjective and variable, generally showing fair to moderate inter-reader agreement in distinguishing high from low grade cervical intraepithelial neoplasia (CIN). We investigated the performance of two objective p16 quantitative tests in comparison with visual assessment: (i) p16-mRNA assay and (ii) digital analysis of sections stained for p16 protein. The primary analysis considered 232 high-risk human papilloma virus positive (HPV+) samples from diagnostic cervical specimens...
May 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28490924/improving-molecular-testing-and-personalized-medicine-in-non-small-cell-lung-cancer-in-ontario
#18
C Lim, H S Sekhon, J C Cutz, D M Hwang, S Kamel-Reid, R F Carter, G da Cunha Santos, T Waddell, M Binnie, M Patel, N Paul, T Chung, A Brade, R El-Maraghi, C Sit, M S Tsao, N B Leighl
BACKGROUND: Although molecular testing has become standard in managing advanced nonsquamous non-small-cell lung cancer (nsclc), most patients undergo minimally invasive procedures, and the diagnostic tumour specimens available for testing are usually limited. A knowledge translation initiative to educate diagnostic specialists about sampling techniques and laboratory processes was undertaken to improve the uptake and application of molecular testing in advanced lung cancer. METHODS: A multidisciplinary panel of physician experts including pathologists, respirologists, interventional thoracic radiologists, thoracic surgeons, medical oncologists, and radiation oncologists developed a specialty-specific education program, adapting international clinical guidelines to the local Ontario context...
April 2017: Current Oncology
https://www.readbyqxmd.com/read/28485552/effect-of-strontium-citrate-on-bone-consolidation-during-mandibular-distraction-osteogenesis
#19
Benjamin A Taylor, Michael Bezuhly, Matthew Brace, Michael Carter, Paul Hong
OBJECTIVES/HYPOTHESIS: Mandibular distraction osteogenesis (MDO) involves a lengthy consolidation phase where complications can occur. Strontium is an element that has been shown to improve bone healing. The objective of this study was to determine whether strontium citrate can be used to enhance bone healing during MDO in a rabbit model. STUDY DESIGN: Prospective animal model study. METHODS: Custom-made MDO devices were placed on 20 New Zealand White rabbits...
May 9, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28459459/mapping-the-genomic-landscape-of-crispr-cas9-cleavage
#20
Peter Cameron, Chris K Fuller, Paul D Donohoue, Brittnee N Jones, Matthew S Thompson, Matthew M Carter, Scott Gradia, Bastien Vidal, Elizabeth Garner, Euan M Slorach, Elaine Lau, Lynda M Banh, Alexandra M Lied, Leslie S Edwards, Alexander H Settle, Daniel Capurso, Victor Llaca, Stéphane Deschamps, Mark Cigan, Joshua K Young, Andrew P May
RNA-guided CRISPR-Cas9 endonucleases are widely used for genome engineering, but our understanding of Cas9 specificity remains incomplete. Here, we developed a biochemical method (SITE-Seq), using Cas9 programmed with single-guide RNAs (sgRNAs), to identify the sequence of cut sites within genomic DNA. Cells edited with the same Cas9-sgRNA complexes are then assayed for mutations at each cut site using amplicon sequencing. We used SITE-Seq to examine Cas9 specificity with sgRNAs targeting the human genome. The number of sites identified depended on sgRNA sequence and nuclease concentration...
June 2017: Nature Methods
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