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https://www.readbyqxmd.com/read/27908087/erratum-analysis-and-modeling-of-255-ship-source-levels-from-an-acoustic-observatory-along-st-lawrence-seaway-j-acoust-soc-am-140-3-2002-2018-2016
#1
Yvan Simard, Nathalie Roy, Cédric Gervaise, Samuel Giard
No abstract text is available yet for this article.
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27907955/decompressive-craniectomy-in-neurocritical-care
#2
Erik G Hayman, David B Kurland, Zachary Grunwald, Sebastian Urday, Kevin N Sheth, J Marc Simard
Neurosurgeons increasingly use decompressive craniectomy (DC) in neurocritical care. In this review, the authors summarize the topic of DC for the neurointensivist. Following a brief overview of the procedure, the major indications for the procedure are described. This includes a review of the literature regarding well-established indications, such as infarction and traumatic brain injury, as well as lesser known indications, including intracerebral hemorrhage, ruptured cerebrovascular malformations, sinus thrombosis, and infection...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27906871/performance-of-icd-based-injury-severity-measures-used-to-predict-in-hospital-mortality-and-intensive-care-admission-among-traumatic-brain-injured-patients
#3
Mathieu Gagné, Lynne Moore, Marie-Josée Sirois, Marc Simard, Claudia Beaudoin, Brice Lionel Batomen Kuimi
BACKGROUND: The International Classification of Diseases (ICD) is the main classification system used for population-based traumatic brain injury (TBI) surveillance activities but does not contain direct information on injury severity. ICD-based injury severity measures can be empirically derived or mapped to the Abbreviated Injury Scale, but no single approach has been formally recommended for TBI. OBJECTIVE: To compare the accuracy of different ICD-based injury severity measures for predicting in-hospital mortality and intensive care unit (ICU) admission in TBI patients...
November 30, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27879282/sex-related-discordance-between-aortic-valve-calcification-and-hemodynamic-severity-of-aortic-stenosis-is-valvular-fibrosis-the-explanation
#4
Louis Simard, Nancy Côté, François Dagenais, Patrick Mathieu, Christian Couture, Sylvain Trahan, Yohan Bossé, Siamak Mohammadi, Sylvain Pagé, Philippe Joubert, Marie-Annick Clavel
RATIONALE: Calcific aortic stenosis (AS) is characterized by calcium deposition in valve leaflets. However, women present lower aortic valve calcification (AVC) loads than men for the same AS hemodynamic severity. OBJECTIVE: We thus aimed to assess sex-differences in aortic valve fibro-calcific remodelling. METHODS AND RESULTS: One hundred and twenty-five patients underwent Doppler-echocardiography and multidetector-computed-tomography within 3 months prior to aortic valve replacement...
November 22, 2016: Circulation Research
https://www.readbyqxmd.com/read/27870059/transfer-of-13-c-between-paired-douglas-fir-seedlings-reveals-plant-kinship-effects-and-uptake-of-exudates-by-ectomycorrhizas
#5
Brian J Pickles, Roland Wilhelm, Amanda K Asay, Aria S Hahn, Suzanne W Simard, William W Mohn
Processes governing the fixation, partitioning, and mineralization of carbon in soils are under increasing scrutiny as we develop a more comprehensive understanding of global carbon cycling. Here we examined fixation by Douglas-fir seedlings and transfer to associated ectomycorrhizal fungi, soil microbes, and full-sibling or nonsibling neighbouring seedlings. Stable isotope probing with 99% (13) C-CO2 was applied to trace (13) C-labelled photosynthate throughout plants, fungi, and soil microbes in an experiment designed to assess the effect of relatedness on (13) C transfer between plant pairs...
November 21, 2016: New Phytologist
https://www.readbyqxmd.com/read/27848919/clinical-and-biological-specificity-of-beta-thalassemia-intermedia-a-case-report
#6
Jean-Maxime Girard, Guillaume Drevin, Jean-François Brasme, Serge Pissard, Pascal Reynier, Gilles Simard, Marie-Christine Denis
We report the case of a nine-year-old girl, of Moroccan origin, hospitalised for fever and stomach ache. The clinical and biological investigations showed merely a moderate enlargement of the spleen associated with discrete regenerative hemolytic anemia. The etiologic analysis of the hemolysis was completed by the electrophoresis of hemoglobin (Hb) that revealed total absence of HbA, with the presence of 98.7% of HbF and 1.3% of HbA2. These results led to a diagnosis of β0 thalassemia associated with an intermediate phenotype, i...
December 1, 2016: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/27845421/rs2735383-located-at-a-microrna-binding-site-in-the-3-utr-of-nbs1-is-not-associated-with-breast-cancer-risk
#7
Jingjing Liu, Ivona Lončar, J Margriet Collée, Manjeet K Bolla, Joe Dennis, Kyriaki Michailidou, Qin Wang, Irene L Andrulis, Monica Barile, Matthias W Beckmann, Sabine Behrens, Javier Benitez, Carl Blomqvist, Bram Boeckx, Natalia V Bogdanova, Stig E Bojesen, Hiltrud Brauch, Paul Brennan, Hermann Brenner, Annegien Broeks, Barbara Burwinkel, Jenny Chang-Claude, Shou-Tung Chen, Georgia Chenevix-Trench, Ching Y Cheng, Ji-Yeob Choi, Fergus J Couch, Angela Cox, Simon S Cross, Katarina Cuk, Kamila Czene, Thilo Dörk, Isabel Dos-Santos-Silva, Peter A Fasching, Jonine Figueroa, Henrik Flyger, Montserrat García-Closas, Graham G Giles, Gord Glendon, Mark S Goldberg, Anna González-Neira, Pascal Guénel, Christopher A Haiman, Ute Hamann, Steven N Hart, Mikael Hartman, Sigrid Hatse, John L Hopper, Hidemi Ito, Anna Jakubowska, Maria Kabisch, Daehee Kang, Veli-Matti Kosma, Vessela N Kristensen, Loic Le Marchand, Eunjung Lee, Jingmei Li, Artitaya Lophatananon, Jan Lubinski, Arto Mannermaa, Keitaro Matsuo, Roger L Milne, Susan L Neuhausen, Heli Nevanlinna, Nick Orr, Jose I A Perez, Julian Peto, Thomas C Putti, Katri Pylkäs, Paolo Radice, Suleeporn Sangrajrang, Elinor J Sawyer, Marjanka K Schmidt, Andreas Schneeweiss, Chen-Yang Shen, Martha J Shrubsole, Xiao-Ou Shu, Jacques Simard, Melissa C Southey, Anthony Swerdlow, Soo H Teo, Daniel C Tessier, Somchai Thanasitthichai, Ian Tomlinson, Diana Torres, Thérèse Truong, Chiu-Chen Tseng, Celine Vachon, Robert Winqvist, Anna H Wu, Drakoulis Yannoukakos, Wei Zheng, Per Hall, Alison M Dunning, Douglas F Easton, Maartje J Hooning, Ans M W van den Ouweland, John W M Martens, Antoinette Hollestelle
NBS1, also known as NBN, plays an important role in maintaining genomic stability. Interestingly, rs2735383 G > C, located in a microRNA binding site in the 3'-untranslated region (UTR) of NBS1, was shown to be associated with increased susceptibility to lung and colorectal cancer. However, the relation between rs2735383 and susceptibility to breast cancer is not yet clear. Therefore, we genotyped rs2735383 in 1,170 familial non-BRCA1/2 breast cancer cases and 1,077 controls using PCR-based restriction fragment length polymorphism (RFLP-PCR) analysis, but found no association between rs2735383CC and breast cancer risk (OR = 1...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27844466/perihematomal-edema-expansion-rates-and-patient-outcomes-in-deep-and-lobar-intracerebral-hemorrhage
#8
Zachary Grunwald, Lauren A Beslow, Sebastian Urday, Anastasia Vashkevich, Alison Ayres, Steven M Greenberg, Joshua N Goldstein, Audrey Leasure, Fu-Dong Shi, Kristopher T Kahle, Thomas W K Battey, J Marc Simard, Jonathan Rosand, W Taylor Kimberly, Kevin N Sheth
BACKGROUND: Perihematomal edema (PHE) expansion rate may predict functional outcome following spontaneous intracerebral hemorrhage (ICH). We hypothesized that the effect of PHE expansion rate on outcome is greater for deep versus lobar ICH. METHODS: Subjects (n = 115) were retrospectively identified from a prospective ICH cohort enrolled from 2000 to 2013. Inclusion criteria were age ≥ 18 years, spontaneous supratentorial ICH, and known onset time. Exclusion criteria were primary intraventricular hemorrhage (IVH), trauma, subsequent surgery, or warfarin-related ICH...
November 14, 2016: Neurocritical Care
https://www.readbyqxmd.com/read/27837540/serum-stable-long-circulating-ph-sensitive-pegylated-liposomes
#9
Nicolas Bertrand, Pierre Simard, Jean-Christophe Leroux
pH-sensitive liposomes have been designed to deliver active compounds, specifically to acidic intracellular organelles, and to augment their cytoplasmic concentrations. These systems combine the protective effects of other liposomal formulations with specific environment-controlled drug release. They are stable at physiological pH, but abruptly discharge their contents when endocytosed into acidic compartments, allowing the drug to be released before it is exposed to the harsh environment of the lysosomes.Serum-stable formulations with minimal leakage at physiological pH and rapid drug release at pH 5...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27836010/inheritance-of-deleterious-mutations-at-both-brca1-and-brca2-in-an-international-sample-of-32-295-women
#10
Timothy R Rebbeck, Tara M Friebel, Nandita Mitra, Fei Wan, Stephanie Chen, Irene L Andrulis, Paraskevi Apostolou, Norbert Arnold, Banu K Arun, Daniel Barrowdale, Javier Benitez, Raanan Berger, Pascaline Berthet, Ake Borg, Saundra S Buys, Trinidad Caldes, Jonathan Carter, Jocelyne Chiquette, Kathleen B M Claes, Fergus J Couch, Cezary Cybulski, Mary B Daly, Miguel de la Hoya, Orland Diez, Susan M Domchek, Katherine L Nathanson, Katarzyna Durda, Steve Ellis, D Gareth Evans, Lenka Foretova, Eitan Friedman, Debra Frost, Patricia A Ganz, Judy Garber, Gord Glendon, Andrew K Godwin, Mark H Greene, Jacek Gronwald, Eric Hahnen, Emily Hallberg, Ute Hamann, Thomas V O Hansen, Evgeny N Imyanitov, Claudine Isaacs, Anna Jakubowska, Ramunas Janavicius, Katarzyna Jaworska-Bieniek, Esther M John, Beth Y Karlan, Bella Kaufman, KConFab Investigators, Ava Kwong, Yael Laitman, Christine Lasset, Conxi Lazaro, Jenny Lester, Niklas Loman, Jan Lubinski, Siranoush Manoukian, Gillian Mitchell, Marco Montagna, Susan L Neuhausen, Heli Nevanlinna, Dieter Niederacher, Robert L Nussbaum, Kenneth Offit, Edith Olah, Olufunmilayo I Olopade, Sue Kyung Park, Marion Piedmonte, Paolo Radice, Christine Rappaport-Fuerhauser, Matti A Rookus, Caroline Seynaeve, Jacques Simard, Christian F Singer, Penny Soucy, Melissa Southey, Dominique Stoppa-Lyonnet, Grzegorz Sukiennicki, Csilla I Szabo, Mariella Tancredi, Manuel R Teixeira, Soo-Hwang Teo, Mary Beth Terry, Mads Thomassen, Laima Tihomirova, Marc Tischkowitz, Amanda Ewart Toland, Aleksandra Toloczko-Grabarek, Nadine Tung, Elizabeth J van Rensburg, Danylo Villano, Shan Wang-Gohrke, Barbara Wappenschmidt, Jeffrey N Weitzel, Jamal Zidan, Kristin K Zorn, Lesley McGuffog, Douglas Easton, Georgia Chenevix-Trench, Antonis C Antoniou, Susan J Ramus
BACKGROUND: Most BRCA1 or BRCA2 mutation carriers have inherited a single (heterozygous) mutation. Transheterozygotes (TH) who have inherited deleterious mutations in both BRCA1 and BRCA2 are rare, and the consequences of transheterozygosity are poorly understood. METHODS: From 32,295 female BRCA1/2 mutation carriers, we identified 93 TH (0.3 %). "Cases" were defined as TH, and "controls" were single mutations at BRCA1 (SH1) or BRCA2 (SH2). Matched SH1 "controls" carried a BRCA1 mutation found in the TH "case"...
November 11, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27830627/cognitive-measures-in-the-canadian-longitudinal-study-on-aging
#11
Holly Tuokko, Lauren E Griffith, Martine Simard, Vanessa Taler
OBJECTIVE: We describe the implementation of cognitive measures within the Canadian Longitudinal Study on Aging (CLSA), a nationwide, epidemiological study of aging, and relate CLSA Tracking cohort data (n over 20,000) to previous studies using these measures. METHOD: CLSA participants (aged 45-85, n over 50,000) provided demographic, social, physical/clinical, psychological, economic, and health service utilization information relevant to health and aging through telephone interviews (Tracking cohort, n over 20,000) or in-person (i...
November 10, 2016: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/27806730/comparative-physiological-plasticity-to-desiccation-in-distinct-populations-of-the-malarial-mosquito-anopheles-coluzzii
#12
K Hidalgo, D Siaussat, V Braman, K R Dabiré, F Simard, K Mouline, D Renault
BACKGROUND: In West Africa, populations of the malaria vector mosquito, Anopheles coluzzii, are seasonally exposed to strong desiccating conditions during the dry season. Their dynamics strictly follows the pace of the availability of suitable larval development sites (water collections). Accordingly, mosquitoes can reproduce all year long where permanent breeding is possible, or stop reproduction and virtually disappear at the onset of the dry season when surface water dries up, like observed in temporary habitats of dry savannah areas...
November 2, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27798982/cerebrospinal-fluid-hypersecretion-in-pediatric-hydrocephalus
#13
Jason K Karimy, Daniel Duran, Jamie K Hu, Charuta Gavankar, Jonathan R Gaillard, Yasar Bayri, Hunter Rice, Michael L DiLuna, Volodymyr Gerzanich, J Marc Simard, Kristopher T Kahle
Hydrocephalus, despite its heterogeneous causes, is ultimately a disease of disordered CSF homeostasis that results in pathological expansion of the cerebral ventricles. Our current understanding of the pathophysiology of hydrocephalus is inadequate but evolving. Over this past century, the majority of hydrocephalus cases has been explained by functional or anatomical obstructions to bulk CSF flow. More recently, hydrodynamic models of hydrocephalus have emphasized the role of abnormal intracranial pulsations in disease pathogenesis...
November 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27796716/association-of-breast-cancer-risk-in-brca1-and-brca2-mutation-carriers-with-genetic-variants-showing-differential-allelic-expression-identification-of-a-modifier-of-breast-cancer-risk-at-locus-11q22-3
#14
Yosr Hamdi, Penny Soucy, Karoline B Kuchenbaeker, Tomi Pastinen, Arnaud Droit, Audrey Lemaçon, Julian Adlard, Kristiina Aittomäki, Irene L Andrulis, Adalgeir Arason, Norbert Arnold, Banu K Arun, Jacopo Azzollini, Anita Bane, Laure Barjhoux, Daniel Barrowdale, Javier Benitez, Pascaline Berthet, Marinus J Blok, Kristie Bobolis, Valérie Bonadona, Bernardo Bonanni, Angela R Bradbury, Carole Brewer, Bruno Buecher, Saundra S Buys, Maria A Caligo, Jocelyne Chiquette, Wendy K Chung, Kathleen B M Claes, Mary B Daly, Francesca Damiola, Rosemarie Davidson, Miguel De la Hoya, Kim De Leeneer, Orland Diez, Yuan Chun Ding, Riccardo Dolcetti, Susan M Domchek, Cecilia M Dorfling, Diana Eccles, Ros Eeles, Zakaria Einbeigi, Bent Ejlertsen, Christoph Engel, D Gareth Evans, Lidia Feliubadalo, Lenka Foretova, Florentia Fostira, William D Foulkes, George Fountzilas, Eitan Friedman, Debra Frost, Pamela Ganschow, Patricia A Ganz, Judy Garber, Simon A Gayther, Anne-Marie Gerdes, Gord Glendon, Andrew K Godwin, David E Goldgar, Mark H Greene, Jacek Gronwald, Eric Hahnen, Ute Hamann, Thomas V O Hansen, Steven Hart, John L Hays, Frans B L Hogervorst, Peter J Hulick, Evgeny N Imyanitov, Claudine Isaacs, Louise Izatt, Anna Jakubowska, Paul James, Ramunas Janavicius, Uffe Birk Jensen, Esther M John, Vijai Joseph, Walter Just, Katarzyna Kaczmarek, Beth Y Karlan, Carolien M Kets, Judy Kirk, Mieke Kriege, Yael Laitman, Maïté Laurent, Conxi Lazaro, Goska Leslie, Jenny Lester, Fabienne Lesueur, Annelie Liljegren, Niklas Loman, Jennifer T Loud, Siranoush Manoukian, Milena Mariani, Sylvie Mazoyer, Lesley McGuffog, Hanne E J Meijers-Heijboer, Alfons Meindl, Austin Miller, Marco Montagna, Anna Marie Mulligan, Katherine L Nathanson, Susan L Neuhausen, Heli Nevanlinna, Robert L Nussbaum, Edith Olah, Olufunmilayo I Olopade, Kai-Ren Ong, Jan C Oosterwijk, Ana Osorio, Laura Papi, Sue Kyung Park, Inge Sokilde Pedersen, Bernard Peissel, Pedro Perez Segura, Paolo Peterlongo, Catherine M Phelan, Paolo Radice, Johanna Rantala, Christine Rappaport-Fuerhauser, Gad Rennert, Andrea Richardson, Mark Robson, Gustavo C Rodriguez, Matti A Rookus, Rita Katharina Schmutzler, Nicolas Sevenet, Payal D Shah, Christian F Singer, Thomas P Slavin, Katie Snape, Johanna Sokolowska, Ida Marie Heeholm Sønderstrup, Melissa Southey, Amanda B Spurdle, Zsofia Stadler, Dominique Stoppa-Lyonnet, Grzegorz Sukiennicki, Christian Sutter, Yen Tan, Muy-Kheng Tea, Manuel R Teixeira, Alex Teulé, Soo-Hwang Teo, Mary Beth Terry, Mads Thomassen, Laima Tihomirova, Marc Tischkowitz, Silvia Tognazzo, Amanda Ewart Toland, Nadine Tung, Ans M W van den Ouweland, Rob B van der Luijt, Klaartje van Engelen, Elizabeth J van Rensburg, Raymonda Varon-Mateeva, Barbara Wappenschmidt, Juul T Wijnen, Timothy Rebbeck, Georgia Chenevix-Trench, Kenneth Offit, Fergus J Couch, Silje Nord, Douglas F Easton, Antonis C Antoniou, Jacques Simard
PURPOSE: Cis-acting regulatory SNPs resulting in differential allelic expression (DAE) may, in part, explain the underlying phenotypic variation associated with many complex diseases. To investigate whether common variants associated with DAE were involved in breast cancer susceptibility among BRCA1 and BRCA2 mutation carriers, a list of 175 genes was developed based of their involvement in cancer-related pathways. METHODS: Using data from a genome-wide map of SNPs associated with allelic expression, we assessed the association of ~320 SNPs located in the vicinity of these genes with breast and ovarian cancer risks in 15,252 BRCA1 and 8211 BRCA2 mutation carriers ascertained from 54 studies participating in the Consortium of Investigators of Modifiers of BRCA1/2...
October 28, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27792995/association-of-breast-cancer-risk-with-genetic-variants-showing-differential-allelic-expression-identification-of-a-novel-breast-cancer-susceptibility-locus-at-4q21
#15
Yosr Hamdi, Penny Soucy, Véronique Adoue, Kyriaki Michailidou, Sander Canisius, Audrey Lemaçon, Arnaud Droit, Irene L Andrulis, Hoda Anton-Culver, Volker Arndt, Caroline Baynes, Carl Blomqvist, Natalia V Bogdanova, Stig E Bojesen, Manjeet K Bolla, Bernardo Bonanni, Anne-Lise Borresen-Dale, Judith S Brand, Hiltrud Brauch, Hermann Brenner, Annegien Broeks, Barbara Burwinkel, Jenny Chang-Claude, Nbcs Collaborators, Fergus J Couch, Angela Cox, Simon S Cross, Kamila Czene, Hatef Darabi, Joe Dennis, Peter Devilee, Thilo Dörk, Isabel Dos-Santos-Silva, Mikael Eriksson, Peter A Fasching, Jonine Figueroa, Henrik Flyger, Montserrat García-Closas, Graham G Giles, Mark S Goldberg, Anna González-Neira, Grethe Grenaker-Alnæs, Pascal Guénel, Lothar Haeberle, Christopher A Haiman, Ute Hamann, Emily Hallberg, Maartje J Hooning, John L Hopper, Anna Jakubowska, Michael Jones, Maria Kabisch, Vesa Kataja, Diether Lambrechts, Loic Le Marchand, Annika Lindblom, Jan Lubinski, Arto Mannermaa, Mel Maranian, Sara Margolin, Frederik Marme, Roger L Milne, Susan L Neuhausen, Heli Nevanlinna, Patrick Neven, Curtis Olswold, Julian Peto, Dijana Plaseska-Karanfilska, Katri Pylkäs, Paolo Radice, Anja Rudolph, Elinor J Sawyer, Marjanka K Schmidt, Xiao-Ou Shu, Melissa C Southey, Anthony Swerdlow, Rob A E M Tollenaar, Ian Tomlinson, Diana Torres, Thérèse Truong, Celine Vachon, Ans M W Van Den Ouweland, Qin Wang, Robert Winqvist, kConFab/Aocs Investigators, Wei Zheng, Javier Benitez, Georgia Chenevix-Trench, Alison M Dunning, Paul D P Pharoah, Vessela Kristensen, Per Hall, Douglas F Easton, Tomi Pastinen, Silje Nord, Jacques Simard
There are significant inter-individual differences in the levels of gene expression. Through modulation of gene expression, cis-acting variants represent an important source of phenotypic variation. Consequently, cis-regulatory SNPs associated with differential allelic expression are functional candidates for further investigation as disease-causing variants. To investigate whether common variants associated with differential allelic expression were involved in breast cancer susceptibility, a list of genes was established on the basis of their involvement in cancer related pathways and/or mechanisms...
October 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/27788956/a-study-of-pseudoprogression-after-spine-stereotactic-body-radiation-therapy
#16
Houda Bahig, Dany Simard, Laurent Létourneau, Philip Wong, David Roberge, Edith Filion, David Donath, Arjun Sahgal, Laura Masucci
PURPOSE: To determine the incidence of pseudoprogression (PP) after spine stereotactic body radiation therapy based on a detailed and quantitative assessment of magnetic resonance imaging (MRI) morphologic tumor alterations, and to identify predictive factors distinguishing PP from local recurrence (LR). METHODS AND MATERIALS: A retrospective analysis of 35 patients with 49 spinal segments treated with spine stereotactic body radiation therapy, from 2009 to 2014, was conducted...
November 15, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27780967/modeling-human-mll-af9-translocated-acute-myeloid-leukemia-from-single-donors-reveals-ret-as-a-potential-therapeutic-target
#17
F Barabé, L Gil, M Celton, A Bergeron, V Lamontagne, É Roques, K Lagacé, A Forest, R Johnson, L Pécheux, J Simard, J Pelloux, A Bellemare-Pelletier, E Gagnon, J Hebert, S Cellot, B T Wilhelm
Acute myeloid leukemias (AML) result from a series of genetic events occurring in a stem or progenitor hematopoietic cell which gives rise to their clonal expansion and an impaired capacity to differentiate. To circumvent the genetic heterogeneity of AML patient cohorts, we have developed a model system, driven by the MLL-AF9 (MA9) oncogene, to generate multiple human leukemias using progenitor cells from a single healthy donor. Through stepwise RNA-sequencing data generated using this model and AML patients, we have identified consistent changes associated with MA9-driven leukemogenesis and demonstrate that no recurrent secondary mutations are required...
October 26, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27777240/inherited-chromosomally-integrated-human-herpesvirus-6-and-breast-cancer
#18
Annie Gravel, Isabelle Dubuc, Angela Brooks-Wilson, Kristan J Aronson, Jacques Simard, Hector Velasquez-Garcia, John J Spinelli, Louis Flamand
Background Inherited chromosomally-integrated human herpesvirus 6 (iciHHV-6) is a condition observed in approximately 1% of the population. Whether such a genetic alteration predisposes to cancer development in currently unknown. Two studies were conducted to determine whether iciHHV-6 is associated with cancer development. Methods First, a screen of 19,597 people from the province of Quebec was conducted. A replication test, using data from a population-based case-control study of 1090 women with incident breast cancer and 1053 controls from British Columbia and Ontario was conducted...
October 24, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27774520/inducible-nitric-oxide-synthase-nos-2-in-subarachnoid-hemorrhage-regulatory-mechanisms-and-therapeutic-implications
#19
Sana Iqbal, Erik G Hayman, Caron Hong, Jesse A Stokum, David B Kurland, Volodymyr Gerzanich, J Marc Simard
Aneurysmal subarachnoid hemorrhage (SAH) typically carries a poor prognosis. Growing evidence indicates that overabundant production of nitric oxide (NO) may be responsible for a large part of the secondary injury that follows SAH. Although SAH modulates the activity of all three isoforms of nitric oxide synthase (NOS), the inducible isoform, NOS-2, accounts for a majority of NO-mediated secondary injuries after SAH. Here, we review the indispensable physiological roles of NO that must be preserved, even while attempting to downmodulate the pathophysiologic effects of NO that are induced by SAH...
2016: Brain Circulation
https://www.readbyqxmd.com/read/27761582/a-randomised-study-for-optimising-crossover-from-ticagrelor-to-clopidogrel-in-patients-with-acute-coronary-syndrome-the-capital-opti-cross-study
#20
Ali Pourdjabbar, Benjamin Hibbert, Aun-Yeong Chong, Michel R Le May, Marino Labinaz, Trevor Simard, F Daniel Ramirez, Peter Lugomirski, Ronnen Maze, Michael Froeschl, Christopher Glover, Alexander Dick, Jean-Francois Marquis, Jordan Bernick, George Wells, Derek Y F So
Ticagrelor has been endorsed by guidelines as the P2Y12 inhibitor of choice in patients with acute coronary syndrome. Clinically, some patients on ticagrelor will require a switch to clopidogrel; however, the optimal strategy and pharmacodynamics effects of switching remain unknown. Patients with an indication to switch were randomly assigned to either a bolus arm (Clopidogrel 600 mg bolus followed by 75 mg daily, n=30) or a no-bolus arm (Clopidogrel 75 mg daily, n=30). Blood samples were collected at baseline, 12, 24, 48, 54, 60 and 72 hours (h) for assessment of platelet reactivity...
October 20, 2016: Thrombosis and Haemostasis
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