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https://www.readbyqxmd.com/read/28429647/malignant-rhabdoid-tumor-of-soft-tissue
#1
Julie Guilmette, Caroline Laverdière, Denis Soulières, Natasha Patey, Geneviève Soucy, Dominique Trudel, Dorothée Bouron-Dal Soglio
Introduction Malignant rhabdoid tumor (MRT) is defined as a high-grade sarcoma derived from an uncertain cell of origin. Its diagnosis is associated with poor prognosis and patient's life expectancy is greatly reduced. Material and method Here, we describe a unique case of 9-month-old boy who presented with a large MRT arising from the soft tissue of the neck. Following intensive multimodal treatment, the patient benefited from a 25 years' remission until the discovery of multiple liver metastases. Conclusion MRT of soft tissue needs to be distinguished from other soft tissue neoplasms, as MRT is highly aggressive and is usually associated with a poor outcome...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28387795/antagonistic-interactions-of-soil-pseudomonads-are-structured-in-time
#2
Susanne A Kraemer, Jean-Paul R Soucy, Rees Kassen
Social interactions have been invoked as potential major selective forces structuring natural microbial communities and thus may help explain the astonishing bacterial diversity of natural ecosystems. Here, we investigate the prevalence and structure of exotoxin-mediated antagonistic interactions among free-living soil Pseudomonas strains collected over the course of two years at distances of up to one kilometer. Unlike some previous studies on antagonistic interactions among natural isolates, we found the prevalence of exotoxin-mediated inhibitions to be relatively low...
April 6, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28376175/evaluation-of-polygenic-risk-scores-for-breast-and-ovarian-cancer-risk-prediction-in-brca1-and-brca2-mutation-carriers
#3
Karoline B Kuchenbaecker, Lesley McGuffog, Daniel Barrowdale, Andrew Lee, Penny Soucy, Joe Dennis, Susan M Domchek, Mark Robson, Amanda B Spurdle, Susan J Ramus, Nasim Mavaddat, Mary Beth Terry, Susan L Neuhausen, Rita Katharina Schmutzler, Jacques Simard, Paul D P Pharoah, Kenneth Offit, Fergus J Couch, Georgia Chenevix-Trench, Douglas F Easton, Antonis C Antoniou
Background: Genome-wide association studies (GWAS) have identified 94 common single-nucleotide polymorphisms (SNPs) associated with breast cancer (BC) risk and 18 associated with ovarian cancer (OC) risk. Several of these are also associated with risk of BC or OC for women who carry a pathogenic mutation in the high-risk BC and OC genes BRCA1 or BRCA2. The combined effects of these variants on BC or OC risk for BRCA1 and BRCA2 mutation carriers have not yet been assessed while their clinical management could benefit from improved personalized risk estimates...
July 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28359327/monoamine-oxidase-b-inhibitor-selegiline-reduces-18-f-thk5351-uptake-in-the-human-brain
#4
Kok Pin Ng, Tharick A Pascoal, Sulantha Mathotaarachchi, Joseph Therriault, Min Su Kang, Monica Shin, Marie-Christine Guiot, Qi Guo, Ryuichi Harada, Robert A Comley, Gassan Massarweh, Jean-Paul Soucy, Nobuyuki Okamura, Serge Gauthier, Pedro Rosa-Neto
BACKGROUND: (18)F-THK5351 is a quinoline-derived tau imaging agent with high affinity to paired helical filaments (PHF). However, high levels of (18)F-THK5351 retention in brain regions thought to contain negligible concentrations of PHF raise questions about the interpretation of the positron emission tomography (PET) signals, particularly given previously described interactions between quinolone derivatives and monoamine oxidase B (MAO-B). Here, we tested the effects of MAO-B inhibition on (18)F-THK5351 brain uptake using PET and autoradiography...
March 31, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28346442/identification-of-12-new-susceptibility-loci-for-different-histotypes-of-epithelial-ovarian-cancer
#5
Catherine M Phelan, Karoline B Kuchenbaecker, Jonathan P Tyrer, Siddhartha P Kar, Kate Lawrenson, Stacey J Winham, Joe Dennis, Ailith Pirie, Marjorie J Riggan, Ganna Chornokur, Madalene A Earp, Paulo C Lyra, Janet M Lee, Simon Coetzee, Jonathan Beesley, Lesley McGuffog, Penny Soucy, Ed Dicks, Andrew Lee, Daniel Barrowdale, Julie Lecarpentier, Goska Leslie, Cora M Aalfs, Katja K H Aben, Marcia Adams, Julian Adlard, Irene L Andrulis, Hoda Anton-Culver, Natalia Antonenkova, Gerasimos Aravantinos, Norbert Arnold, Banu K Arun, Brita Arver, Jacopo Azzollini, Judith Balmaña, Susana N Banerjee, Laure Barjhoux, Rosa B Barkardottir, Yukie Bean, Matthias W Beckmann, Alicia Beeghly-Fadiel, Javier Benitez, Marina Bermisheva, Marcus Q Bernardini, Michael J Birrer, Line Bjorge, Amanda Black, Kenneth Blankstein, Marinus J Blok, Clara Bodelon, Natalia Bogdanova, Anders Bojesen, Bernardo Bonanni, Åke Borg, Angela R Bradbury, James D Brenton, Carole Brewer, Louise Brinton, Per Broberg, Angela Brooks-Wilson, Fiona Bruinsma, Joan Brunet, Bruno Buecher, Ralf Butzow, Saundra S Buys, Trinidad Caldes, Maria A Caligo, Ian Campbell, Rikki Cannioto, Michael E Carney, Terence Cescon, Salina B Chan, Jenny Chang-Claude, Stephen Chanock, Xiao Qing Chen, Yoke-Eng Chiew, Jocelyne Chiquette, Wendy K Chung, Kathleen B M Claes, Thomas Conner, Linda S Cook, Jackie Cook, Daniel W Cramer, Julie M Cunningham, Aimee A D'Aloisio, Mary B Daly, Francesca Damiola, Sakaeva Dina Damirovna, Agnieszka Dansonka-Mieszkowska, Fanny Dao, Rosemarie Davidson, Anna DeFazio, Capucine Delnatte, Kimberly F Doheny, Orland Diez, Yuan Chun Ding, Jennifer Anne Doherty, Susan M Domchek, Cecilia M Dorfling, Thilo Dörk, Laure Dossus, Mercedes Duran, Matthias Dürst, Bernd Dworniczak, Diana Eccles, Todd Edwards, Ros Eeles, Ursula Eilber, Bent Ejlertsen, Arif B Ekici, Steve Ellis, Mingajeva Elvira, Kevin H Eng, Christoph Engel, D Gareth Evans, Peter A Fasching, Sarah Ferguson, Sandra Fert Ferrer, James M Flanagan, Zachary C Fogarty, Renée T Fortner, Florentia Fostira, William D Foulkes, George Fountzilas, Brooke L Fridley, Tara M Friebel, Eitan Friedman, Debra Frost, Patricia A Ganz, Judy Garber, María J García, Vanesa Garcia-Barberan, Andrea Gehrig, Aleksandra Gentry-Maharaj, Anne-Marie Gerdes, Graham G Giles, Rosalind Glasspool, Gord Glendon, Andrew K Godwin, David E Goldgar, Teodora Goranova, Martin Gore, Mark H Greene, Jacek Gronwald, Stephen Gruber, Eric Hahnen, Christopher A Haiman, Niclas Håkansson, Ute Hamann, Thomas V O Hansen, Patricia A Harrington, Holly R Harris, Jan Hauke, Alexander Hein, Alex Henderson, Michelle A T Hildebrandt, Peter Hillemanns, Shirley Hodgson, Claus K Høgdall, Estrid Høgdall, Frans B L Hogervorst, Helene Holland, Maartje J Hooning, Karen Hosking, Ruea-Yea Huang, Peter J Hulick, Jillian Hung, David J Hunter, David G Huntsman, Tomasz Huzarski, Evgeny N Imyanitov, Claudine Isaacs, Edwin S Iversen, Louise Izatt, Angel Izquierdo, Anna Jakubowska, Paul James, Ramunas Janavicius, Mats Jernetz, Allan Jensen, Uffe Birk Jensen, Esther M John, Sharon Johnatty, Michael E Jones, Päivi Kannisto, Beth Y Karlan, Anthony Karnezis, Karin Kast, Catherine J Kennedy, Elza Khusnutdinova, Lambertus A Kiemeney, Johanna I Kiiski, Sung-Won Kim, Susanne K Kjaer, Martin Köbel, Reidun K Kopperud, Torben A Kruse, Jolanta Kupryjanczyk, Ava Kwong, Yael Laitman, Diether Lambrechts, Nerea Larrañaga, Melissa C Larson, Conxi Lazaro, Nhu D Le, Loic Le Marchand, Jong Won Lee, Shashikant B Lele, Arto Leminen, Dominique Leroux, Jenny Lester, Fabienne Lesueur, Douglas A Levine, Dong Liang, Clemens Liebrich, Jenna Lilyquist, Loren Lipworth, Jolanta Lissowska, Karen H Lu, Jan Lubinński, Craig Luccarini, Lene Lundvall, Phuong L Mai, Gustavo Mendoza-Fandiño, Siranoush Manoukian, Leon F A G Massuger, Taymaa May, Sylvie Mazoyer, Jessica N McAlpine, Valerie McGuire, John R McLaughlin, Iain McNeish, Hanne Meijers-Heijboer, Alfons Meindl, Usha Menon, Arjen R Mensenkamp, Melissa A Merritt, Roger L Milne, Gillian Mitchell, Francesmary Modugno, Joanna Moes-Sosnowska, Melissa Moffitt, Marco Montagna, Kirsten B Moysich, Anna Marie Mulligan, Jacob Musinsky, Katherine L Nathanson, Lotte Nedergaard, Roberta B Ness, Susan L Neuhausen, Heli Nevanlinna, Dieter Niederacher, Robert L Nussbaum, Kunle Odunsi, Edith Olah, Olufunmilayo I Olopade, Håkan Olsson, Curtis Olswold, David M O'Malley, Kai-Ren Ong, N Charlotte Onland-Moret, Nicholas Orr, Sandra Orsulic, Ana Osorio, Domenico Palli, Laura Papi, Tjoung-Won Park-Simon, James Paul, Celeste L Pearce, Inge Søkilde Pedersen, Petra H M Peeters, Bernard Peissel, Ana Peixoto, Tanja Pejovic, Liisa M Pelttari, Jennifer B Permuth, Paolo Peterlongo, Lidia Pezzani, Georg Pfeiler, Kelly-Anne Phillips, Marion Piedmonte, Malcolm C Pike, Anna M Piskorz, Samantha R Poblete, Timea Pocza, Elizabeth M Poole, Bruce Poppe, Mary E Porteous, Fabienne Prieur, Darya Prokofyeva, Elizabeth Pugh, Miquel Angel Pujana, Pascal Pujol, Paolo Radice, Johanna Rantala, Christine Rappaport-Fuerhauser, Gad Rennert, Kerstin Rhiem, Patricia Rice, Andrea Richardson, Mark Robson, Gustavo C Rodriguez, Cristina Rodríguez-Antona, Jane Romm, Matti A Rookus, Mary Anne Rossing, Joseph H Rothstein, Anja Rudolph, Ingo B Runnebaum, Helga B Salvesen, Dale P Sandler, Minouk J Schoemaker, Leigha Senter, V Wendy Setiawan, Gianluca Severi, Priyanka Sharma, Tameka Shelford, Nadeem Siddiqui, Lucy E Side, Weiva Sieh, Christian F Singer, Hagay Sobol, Honglin Song, Melissa C Southey, Amanda B Spurdle, Zsofia Stadler, Doris Steinemann, Dominique Stoppa-Lyonnet, Lara E Sucheston-Campbell, Grzegorz Sukiennicki, Rebecca Sutphen, Christian Sutter, Anthony J Swerdlow, Csilla I Szabo, Lukasz Szafron, Yen Y Tan, Jack A Taylor, Muy-Kheng Tea, Manuel R Teixeira, Soo-Hwang Teo, Kathryn L Terry, Pamela J Thompson, Liv Cecilie Vestrheim Thomsen, Darcy L Thull, Laima Tihomirova, Anna V Tinker, Marc Tischkowitz, Silvia Tognazzo, Amanda Ewart Toland, Alicia Tone, Britton Trabert, Ruth C Travis, Antonia Trichopoulou, Nadine Tung, Shelley S Tworoger, Anne M van Altena, David Van Den Berg, Annemarie H van der Hout, Rob B van der Luijt, Mattias Van Heetvelde, Els Van Nieuwenhuysen, Elizabeth J van Rensburg, Adriaan Vanderstichele, Raymonda Varon-Mateeva, Ana Vega, Digna Velez Edwards, Ignace Vergote, Robert A Vierkant, Joseph Vijai, Athanassios Vratimos, Lisa Walker, Christine Walsh, Dorothea Wand, Shan Wang-Gohrke, Barbara Wappenschmidt, Penelope M Webb, Clarice R Weinberg, Jeffrey N Weitzel, Nicolas Wentzensen, Alice S Whittemore, Juul T Wijnen, Lynne R Wilkens, Alicja Wolk, Michelle Woo, Xifeng Wu, Anna H Wu, Hannah Yang, Drakoulis Yannoukakos, Argyrios Ziogas, Kristin K Zorn, Steven A Narod, Douglas F Easton, Christopher I Amos, Joellen M Schildkraut, Susan J Ramus, Laura Ottini, Marc T Goodman, Sue K Park, Linda E Kelemen, Harvey A Risch, Mads Thomassen, Kenneth Offit, Jacques Simard, Rita Katharina Schmutzler, Dennis Hazelett, Alvaro N Monteiro, Fergus J Couch, Andrew Berchuck, Georgia Chenevix-Trench, Ellen L Goode, Thomas A Sellers, Simon A Gayther, Antonis C Antoniou, Paul D P Pharoah
To identify common alleles associated with different histotypes of epithelial ovarian cancer (EOC), we pooled data from multiple genome-wide genotyping projects totaling 25,509 EOC cases and 40,941 controls. We identified nine new susceptibility loci for different EOC histotypes: six for serous EOC histotypes (3q28, 4q32.3, 8q21.11, 10q24.33, 18q11.2 and 22q12.1), two for mucinous EOC (3q22.3 and 9q31.1) and one for endometrioid EOC (5q12.3). We then performed meta-analysis on the results for high-grade serous ovarian cancer with the results from analysis of 31,448 BRCA1 and BRCA2 mutation carriers, including 3,887 mutation carriers with EOC...
March 27, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28294312/the-mediating-role-of-cultural-coping-behaviours-on-the-relationships-between-academic-stress-and-positive-psychosocial-well-being-outcomes
#6
Ben C H Kuo, Kendall M Soucie, Siqi Huang, Refa Laith
While culture's effect on the coping process has long been acknowledged in the stress-coping literature conceptually, empirical evidence and attempts to discern the specific relationship between culture and coping remain very scarce. Against this backdrop, the present study applied the Cultural Transactional Theory (Chun, Moos, & Cronkite, 2006) to examine the mediating role of cultural coping behaviours (Collective, Engagement and Avoidance Coping) on the relationship between academic stress (AS) and two positive psychosocial well-being outcome measures: Collective Self-esteem (CSE) and Subjective Well-being (SWB)...
March 10, 2017: International Journal of Psychology: Journal International de Psychologie
https://www.readbyqxmd.com/read/28242411/treatment-acceptability-and-preferences-for-managing-severe-health-anxiety-perceptions-of-internet-delivered-cognitive-behaviour-therapy-among-primary-care-patients
#7
Joelle N Soucy, Heather D Hadjistavropoulos
BACKGROUND & OBJECTIVES: While cognitive behaviour therapy (CBT) is an established treatment for health anxiety, there are barriers to service access. Internet-delivered cognitive behaviour therapy (ICBT) has demonstrated effectiveness and has the potential to improve access to treatment. Nevertheless, it is unknown how patients perceive ICBT relative to other interventions for health anxiety and what factors predict ICBT acceptability. This study investigated these questions. METHODS: Primary care patients (N = 116) who reported elevated levels of health anxiety were presented three treatment vignettes that each described a different protocol for health anxiety (i...
February 20, 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/28216023/immunogenicity-of-structurally-perturbed-hen-egg-lysozyme-adsorbed-to-silicone-oil-microdroplets-in-wild-type-and-transgenic-mouse-models
#8
Carly Fleagle Chisholm, Kaitlin R Soucie, Jane S Song, Pamela Strauch, Raul M Torres, John F Carpenter, Jack A Ragheb, Theodore W Randolph
Silicone oil microdroplets may act as adjuvants, promoting unwanted immune responses against both foreign and self-proteins. Proteins often unfold upon adsorption to silicone oil microdroplets, but it is unclear how such unfolding might affect the immune response. In this study, we found that hen egg lysozyme (HEL) readily adsorbed to silicone oil microdroplets and perturbed the conformation of HEL. We compared the immune response to injections of HEL formulated in the presence and absence of silicone oil microdroplets in both wild-type mice and transgenic littermates that express a soluble form of HEL (sHEL), thus rendering them immunologically tolerant to this nominal self-antigen...
February 16, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28187293/assessing-the-contributions-of-childhood-maltreatment-subtypes-and-depression-case-control-status-on-telomere-length-reveals-a-specific-role-of-physical-neglect
#9
John Vincent, Iiris Hovatta, Souci Frissa, Laura Goodwin, Matthew Hotopf, Stephani L Hatch, Gerome Breen, Timothy R Powell
BACKGROUND: Studies have provided evidence that both childhood maltreatment and depressive disorders are associated with shortened telomere lengths. However, as childhood maltreatment is a risk factor for depression, it remains unclear whether this may be driving shortened telomere lengths observed amongst depressed patients. Furthermore, it's unclear if the effects of maltreatment on telomere length shortening are more pervasive amongst depressed patients relative to controls, and consequently whether biological ageing may contribute to depression's pathophysiology...
February 3, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28183693/prophylaxis-usage-bleeding-rates-and-joint-outcomes-of-hemophilia-1999-2010-a-surveillance-project
#10
Marilyn J Manco-Johnson, J Michael Soucie, Joan C Gill
This analysis of the United States Hemophilia Treatment Center Network and the Centers for Disease Control and Prevention surveillance registry assessed trends in prophylaxis use and its impact on key indicators of arthropathy across the life span among participants with severe hemophilia A. Data on demographics, clinical characteristics and outcomes were collected prospectively between 1999 and 2010 at annual clinical visits to 134 hemophilia treatment centers. Trends in treatment and outcomes were evaluated using cross-sectional and longitudinal analyses...
February 9, 2017: Blood
https://www.readbyqxmd.com/read/28175304/sex-dependent-effects-of-chromogranin-b-p413l-allelic-variant-as-disease-modifier-in-amyotrophic-lateral-sclerosis
#11
Yasuyuki Ohta, Genevieve Soucy, Daniel Phaneuf, Jean-Nicolas Audet, François Gros-Louis, Guy A Rouleau, Hélène Blasco, Philippe Corcia, Peter M Andersen, Frida Nordin, Toru Yamashita, Koji Abe, Jean-Pierre Julien
No abstract text is available yet for this article.
November 1, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/28172431/vexor-an-integrative-environment-for-prioritization-of-functional-variants-in-fine-mapping-analysis
#12
Audrey Lemaçon, Charles Joly Beauparlant, Penny Soucy, Jamie Allen, Douglas Easton, Peter Kraft, Jacques Simard, Arnaud Droit
No abstract text is available yet for this article.
January 5, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28168379/continuous-flow-left-ventricular-assist-device-support-improves-myocardial-supply-demand-in-chronic-heart-failure
#13
Kevin G Soucy, Carlo R Bartoli, Dustin Phillips, Guruprasad A Giridharan, Michael A Sobieski, William B Wead, Robert D Dowling, Zhongjun J Wu, Sumanth D Prabhu, Mark S Slaughter, Steven C Koenig
Continuous-flow left ventricular assist devices (CF LVADs) are rotary blood pumps that improve mean blood flow, but with potential limitations of non-physiological ventricular volume unloading and diminished vascular pulsatility. In this study, we tested the hypothesis that left ventricular unloading with increasing CF LVAD flow increases myocardial flow normalized to left ventricular work. Healthy (n = 8) and chronic ischemic heart failure (IHF, n = 7) calves were implanted with CF LVADs. Acute hemodynamics and regional myocardial blood flow were measured during baseline (LVAD off, clamped), partial (2-4 L/min) and full (>4 L/min) LVAD support...
February 6, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28145075/biomarkers-designs-and-interpretations-of-resting-state-fmri-in-translational-pharmacological-research-a-review-of-state-of-the-art-challenges-and-opportunities-for-studying-brain-chemistry
#14
REVIEW
Najmeh Khalili-Mahani, Serge A R B Rombouts, Matthias J P van Osch, Eugene P Duff, Felix Carbonell, Lisa D Nickerson, Lino Becerra, Albert Dahan, Alan C Evans, Jean-Paul Soucy, Richard Wise, Alex P Zijdenbos, Joop M van Gerven
A decade of research and development in resting-state functional MRI (RSfMRI) has opened new translational and clinical research frontiers. This review aims to bridge between technical and clinical researchers who seek reliable neuroimaging biomarkers for studying drug interactions with the brain. About 85 pharma-RSfMRI studies using BOLD signal (75% of all) or arterial spin labeling (ASL) were surveyed to investigate the acute effects of psychoactive drugs. Experimental designs and objectives include drug fingerprinting dose-response evaluation, biomarker validation and calibration, and translational studies...
April 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28139931/design-of-a-janus-kinase-3-jak3-specific-inhibitor-1-2s-5r-5-7h-pyrrolo-2-3-d-pyrimidin-4-yl-amino-2-methylpiperidin-1-yl-prop-2-en-1-one-pf-06651600-allowing-for-the-interrogation-of-jak3-signaling-in-humans
#15
Atli Thorarensen, Martin E Dowty, Mary Ellen Banker, Brian Juba, Jason Jussif, Tsung Lin, Fabien Vincent, Robert M Czerwinski, Agustin Casimiro-Garcia, Ray Unwalla, John I Trujillo, Sidney Liang, Paul Balbo, Ye Che, Adam M Gilbert, Matthew F Brown, Matthew Hayward, Justin Montgomery, Louis Leung, Xin Yang, Sarah Soucy, Martin Hegen, Jotham Coe, Jonathan Langille, Felix Vajdos, Jill Chrencik, Jean-Baptiste Telliez
Significant work has been dedicated to the discovery of JAK kinase inhibitors resulting in several compounds entering clinical development and two FDA approved NMEs. However, despite significant effort during the past 2 decades, identification of highly selective JAK3 inhibitors has eluded the scientific community. A significant effort within our research organization has resulted in the identification of the first orally active JAK3 specific inhibitor, which achieves JAK isoform specificity through covalent interaction with a unique JAK3 residue Cys-909...
March 9, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28112915/bubble-facilitated-voc-transport-from-lnapl-smear-zones-and-its-potential-effect-on-vapor-intrusion
#16
Nicole C Soucy, Kevin G Mumford
Most conceptual and mathematical models of soil vapor intrusion assume that the transport of volatile organic compounds (VOCs) from a source toward a building is limited by diffusion through the soil gas. Under conditions where advection occurs, transport rates are higher and can lead to higher indoor air concentrations. Advection-dominated conditions can be created by gas bubble flow in the saturated zone. A series of laboratory column experiments were conducted to measure mass flux due to bubble-facilitated VOC transport from light nonaqueous phase liquid (LNAPL) smear zones...
February 10, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28038410/development-of-11-c-kits-for-a-fast-efficient-and-reliable-production-of-carbon-11-labeled-radiopharmaceuticals-for-positron-emission-tomography
#17
Dean Jolly, Robert Hopewell, Miriam Kovacevic, Qian Ying Li, Jean-Paul Soucy, Alexey Kostikov
Translation of carbon-11 labeled PET tracers to clinical settings is currently impeded by the technical difficulties associated with [(11)C]CO2 conversion into the highly reactive methylating agents [(11)C]CH3I and [(11)C]CH3OTf using automated modules relying on stationary valves. Here we describe development of the first in its kind "[(11)C]kit" for production of carbon-11 radiotracer using disposable manifolds. This method proved to be very reliable and allows for consecutive production of PET tracers with minimal intervals between the syntheses...
March 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28024995/synergistic-interaction-between-amyloid-and-tau-predicts-the-progression%C3%A2-to-dementia
#18
Tharick A Pascoal, Sulantha Mathotaarachchi, Monica Shin, Andrea L Benedet, Sara Mohades, Seqian Wang, Tom Beaudry, Min Su Kang, Jean-Paul Soucy, Aurelie Labbe, Serge Gauthier, Pedro Rosa-Neto
INTRODUCTION: Recent literature proposes that amyloid-β and phosphorylated tau (p-tau) synergism accelerates biomarker abnormalities in controls. Yet, it remains to be answered whether this synergism is the driving force behind Alzheimer disease (AD) dementia. METHODS: We stratified 314 mild cognitive impairment individuals using [(18)F]florbetapir positron emission tomography amyloid-β imaging and cerebrospinal fluid p-tau. Regression and voxel-based logistic regression models with interaction terms evaluated 2-year changes in cognition and clinical status as a function of baseline biomarkers...
December 23, 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/27928881/measuring-the-quality-of-haemophilia-care-across-different-settings-a-set-of-performance-indicators-derived-from-demographics-data
#19
MULTICENTER STUDY
A Iorio, J S Stonebraker, M Brooker, J M Soucie
BACKGROUND: Haemophilia is a rare disease for which quality of care varies around the world. We propose data-driven indicators as surrogate measures for the provision of haemophilia care across countries and over time. MATERIALS AND METHODS: The guiding criteria for selection of possible indicators were ease of calculation and direct applicability to a wide range of countries with basic data collection capacities. General population epidemiological data and haemophilia A population data from the World Federation of Hemophilia (WFH) Annual Global Survey (AGS) for the years 2013 and 2010 in a sample of 10 countries were used for this pilot exercise...
January 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27923182/sociodemographic-lifestyle-and-psychosocial-determinants-of-hair-cortisol-in-a-south-london-community-sample
#20
Susanne Fischer, Roman Duncko, Stephani L Hatch, Andrew Papadopoulos, Laura Goodwin, Souci Frissa, Matthew Hotopf, Anthony J Cleare
OBJECTIVE: Hypothalamic-pituitary-adrenal (HPA) measures are crucial for research into stress and stress-related disorders. Most HPA measures fluctuate depending on diurnal rhythms and state confounders. Hair cortisol concentrations (HCC) are less susceptible to such fluctuations, but less is known about trait-like confounders. Using a community sample, we tested the relationship between HCC and a range of variables including demographic variables, hair treatment, and medication, as well as psychosocial variables, namely childhood trauma, critical life events, and depressive symptoms...
February 2017: Psychoneuroendocrinology
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