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Vincent A

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https://www.readbyqxmd.com/read/28350822/asthma-corticosteroid-use-and-schizophrenia-a-nationwide-population-based-study-in-taiwan
#1
Wei-Chen Wang, Mong-Liang Lu, Vincent Chin-Hung Chen, Mei-Hing Ng, Kuo-You Huang, Ming-Hong Hsieh, Meng-Jer Hsieh, Roger S McIntyre, Yena Lee, Charles Tzu-Chi Lee
OBJECTIVE: Asthma and corticosteroid use have been implicated as possible risk factors for schizophrenia. The retrospective cohort study herein aimed to investigate the association between asthma, corticosteroid use, and schizophrenia. METHOD: Longitudinal data (2000 to 2007) from adults with asthma (n = 50,046) and without asthma (n = 50,046) were compared on measures of schizophrenia incidence using Taiwan's National Health Insurance Research Database (NHIRD)...
2017: PloS One
https://www.readbyqxmd.com/read/28350801/app-psen1-and-psen2-mutations-in-early-onset-alzheimer-disease-a-genetic-screening-study-of-familial-and-sporadic-cases
#2
Hélène-Marie Lanoiselée, Gaël Nicolas, David Wallon, Anne Rovelet-Lecrux, Morgane Lacour, Stéphane Rousseau, Anne-Claire Richard, Florence Pasquier, Adeline Rollin-Sillaire, Olivier Martinaud, Muriel Quillard-Muraine, Vincent de la Sayette, Claire Boutoleau-Bretonniere, Frédérique Etcharry-Bouyx, Valérie Chauviré, Marie Sarazin, Isabelle le Ber, Stéphane Epelbaum, Thérèse Jonveaux, Olivier Rouaud, Mathieu Ceccaldi, Olivier Félician, Olivier Godefroy, Maite Formaglio, Bernard Croisile, Sophie Auriacombe, Ludivine Chamard, Jean-Louis Vincent, Mathilde Sauvée, Cecilia Marelli-Tosi, Audrey Gabelle, Canan Ozsancak, Jérémie Pariente, Claire Paquet, Didier Hannequin, Dominique Campion
BACKGROUND: Amyloid protein precursor (APP), presenilin-1 (PSEN1), and presenilin-2 (PSEN2) mutations cause autosomal dominant forms of early-onset Alzheimer disease (AD-EOAD). Although these genes were identified in the 1990s, variant classification remains a challenge, highlighting the need to colligate mutations from large series. METHODS AND FINDINGS: We report here a novel update (2012-2016) of the genetic screening of the large AD-EOAD series ascertained across 28 French hospitals from 1993 onwards, bringing the total number of families with identified mutations to n = 170...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28350795/fine-mapping-of-the-human-leukocyte-antigen-locus-as-a-risk-factor-for-alzheimer-disease-a-case-control-study
#3
Natasha Z R Steele, Jessie S Carr, Luke W Bonham, Ethan G Geier, Vincent Damotte, Zachary A Miller, Rahul S Desikan, Kevin L Boehme, Shubhabrata Mukherjee, Paul K Crane, John S K Kauwe, Joel H Kramer, Bruce L Miller, Giovanni Coppola, Jill A Hollenbach, Yadong Huang, Jennifer S Yokoyama
BACKGROUND: Alzheimer disease (AD) is a progressive disorder that affects cognitive function. There is increasing support for the role of neuroinflammation and aberrant immune regulation in the pathophysiology of AD. The immunoregulatory human leukocyte antigen (HLA) complex has been linked to susceptibility for a number of neurodegenerative diseases, including AD; however, studies to date have failed to consistently identify a risk HLA haplotype for AD. Contributing to this difficulty are the complex genetic organization of the HLA region, differences in sequencing and allelic imputation methods, and diversity across ethnic populations...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28346780/high-spin-polymers-ferromagnetic-coupling-of-s-1-hexaazacyclophane-units-up-to-a-pure-s-2-polycyclophane
#4
Lukasz Skorka, Piotr Kurzep, Timothée Chauviré, Lionel Dubois, Jean-Marie Mouesca, Vincent Maurel, Irena Kulszewicz-Bajer
Triarylamines oxidized to radical cations can be used as stable spins sources for the design of high-spin compounds. Here, we present the synthesis of the polyarylamine containing hexaazacyclophanes linked via meta-terphenyl bridges. Spins, created after the oxidation of the polymer, can be coupled magnetically in cyclophane moieties via meta-phenyl and along the polymer chain via meta-terphenyl units. The formation of quintet spin state was evidenced by pulsed-EPR nutation spectroscopy. Two exchange coupling constants via both couplers were determined experimentally and corresponded to J/k = 89 K in cyclophane moiety and j/k = 17 K via meta-terphenyl...
March 27, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28346737/easl-and-aasld-recommendations-for-the-diagnosis-of-hcc-to-the-test-of-daily-practice
#5
Christophe Aubé, Frederic Oberti, Julie Lonjon, Georges Pageaux, Olivier Seror, Giséle N'Kontchou, Agnes Rode, Sylvie Radenne, Christophe Cassinotto, Julien Vergniol, Ivan Bricault, Vincent Leroy, Maxime Ronot, Laurent Castera, Sophie Michalak, Maxime Esvan, Valérie Vilgrain
AIM: To evaluate the diagnostic performance of CT, MRI, and CEUS alone and in combination, for the diagnosis of HCC between 10 and 30 mm, in a large population of cirrhotic patients. PATIENTS AND METHODS: In a multicentre prospective trial, 442 patients have been enrolled. Within a month CEUS, CT and MRI were performed for all patients. A composite algorithm was defined to obtain the more accurate gold standard. RESULTS: 544 nodules in 381 patients have been retained for the performance analysis...
March 27, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28346357/comparison-of-the-in-vivo-biotransformation-of-two-emerging-estrogenic-contaminants-bp2-and-bps-in-zebrafish-embryos-and-adults
#6
Vincent Le Fol, François Brion, Anne Hillenweck, Elisabeth Perdu, Sandrine Bruel, Selim Aït-Aïssa, Jean-Pierre Cravedi, Daniel Zalko
Zebrafish embryo assays are increasingly used in the toxicological assessment of endocrine disruptors. Among other advantages, these models are 3R-compliant and are fit for screening purposes. Biotransformation processes are well-recognized as a critical factor influencing toxic response, but major gaps of knowledge exist regarding the characterization of functional metabolic capacities expressed in zebrafish. Comparative metabolic studies between embryos and adults are even scarcer. Using ³H-labeled chemicals, we examined the fate of two estrogenic emerging contaminants, benzophenone-2 (BP2) and bisphenol S (BPS), in 4-day embryos and adult zebrafish...
March 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28345952/the-timing-of-early-antibiotics-and-hospital-mortality-in-sepsis
#7
Vincent X Liu, Vikram Fielding-Singh, John D Greene, Jennifer M Baker, Theodore J Iwashyna, Jay Bhattacharya, Gabriel J Escobar
RATIONALE: Prior sepsis studies evaluating antibiotic timing have shown mixed results. OBJECTIVE: To evaluate the association between antibiotic timing and mortality among sepsis patients receiving antibiotics within 6 hours of emergency department registration. METHODS AND MEASUREMENTS: Retrospective study of 35,000 randomly selected sepsis inpatients treated at 21 emergency departments between 2010 and 2013 in Northern California. The primary exposure was antibiotics given within six hours of emergency department registration...
March 27, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28345888/influence-of-ring-strain-and-bond-polarization-on-the-ring-expansion-of-phosphorus-homocycles
#8
Saurabh S Chitnis, Rebecca A Musgrave, Hazel A Sparkes, Natalie E Pridmore, Vincent T Annibale, Ian Manners
Heterolytic cleavage of homoatomic bonds is a challenge, as it requires separation of opposite charges. Even highly strained homoatomic rings (e.g., cyclopropane and cyclobutane) are kinetically stable and do not react with nucleophiles or electrophiles. In contrast, cycloalkanes bearing electron-donating/withdrawing substituents on adjacent carbons have polarized C-C bonds and undergo numerous heterolytic ring-opening and expansion reactions. Here we show that upon electrophile activation phosphorus homocycles exhibit analogous reactivity, which is modulated by the amount of ring strain and extent of bond polarization...
March 27, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28345654/the-soybean-gmsnap18-gene-underlies-two-types-of-resistance-to-soybean-cyst-nematode
#9
Shiming Liu, Pramod K Kandoth, Naoufal Lakhssassi, Jingwen Kang, Vincent Colantonio, Robert Heinz, Greg Yeckel, Zhou Zhou, Sadia Bekal, Johannes Dapprich, Bjorn Rotter, Silvia Cianzio, Melissa G Mitchum, Khalid Meksem
Two types of resistant soybean (Glycine max (L.) Merr.) sources are widely used against soybean cyst nematode (SCN, Heterodera glycines Ichinohe). These include Peking-type soybean, whose resistance requires both the rhg1-a and Rhg4 alleles, and PI 88788-type soybean, whose resistance requires only the rhg1-b allele. Multiple copy number of PI 88788-type GmSNAP18, GmAAT, and GmWI12 in one genomic segment simultaneously contribute to rhg1-b resistance. Using an integrated set of genetic and genomic approaches, we demonstrate that the rhg1-a Peking-type GmSNAP18 is sufficient for resistance to SCN in combination with Rhg4...
March 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28345011/cross-cultural-differences-of-the-non-motor-symptoms-studied-by-the-traditional-chinese-version-of-the-international-parkinson-and-movement-disorder-society-unified-parkinson-s-disease-rating-scale
#10
Rwei-Ling Yu, Ruey-Meei Wu, Anne Y Y Chan, Vincent Mok, Yih-Ru Wu, Barbara C Tilley, Sheng Luo, Lu Wang, Nancy R LaPelle, Glenn T Stebbins, Christopher G Goetz
BACKGROUND: Given the importance of ethnic differences in the evaluation of various aspects of symptoms in patients with Parkinson's disease (PD), we present the formal procedure for completing the traditional Chinese translation of the International and Parkinson and Movement Disorder Society/UPDRS (MDS-UPDRS) and highlight the discrepancy in nonmotor symptoms (NMS) between patients in Eastern and Western countries. METHODS: A total of 350 native Chinese-speaking PD patients were recruited from multiple hospitals in Eastern countries; they completed the MDS-UPDRS...
January 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28344979/psychological-profile-of-individuals-presenting-with-chronic-cough
#11
Katrin Hulme, Vincent Deary, Sian Dogan, Sean M Parker
Chronic refractory cough (CRC) is a common problem in respiratory clinics. Adverse effects on quality of life are documented in the literature, but relatively little is known about the underlying psychological factors in this patient population. We aimed to investigate the association of psychological factors with chronic cough, comparing CRC to explained cough and non-cough groups. 67 patients attending a specialist cough clinic (CRC, n=25; explained cough, n=42) and 22 non-cough individuals participated. All participants completed the Hospital Anxiety & Depression Scale, Big Five Inventory (Personality), Chalder Fatigue Scale and Patient Health Questionnaire-15...
January 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28344774/the-dockstore-enabling-modular-community-focused-sharing-of-docker-based-genomics-tools-and-workflows
#12
Brian D O'Connor, Denis Yuen, Vincent Chung, Andrew G Duncan, Xiang Kun Liu, Janice Patricia, Benedict Paten, Lincoln Stein, Vincent Ferretti
As genomic datasets continue to grow, the feasibility of downloading data to a local organization and running analysis on a traditional compute environment is becoming increasingly problematic. Current large-scale projects, such as the ICGC PanCancer Analysis of Whole Genomes (PCAWG), the Data Platform for the U.S. Precision Medicine Initiative, and the NIH Big Data to Knowledge Center for Translational Genomics, are using cloud-based infrastructure to both host and perform analysis across large data sets. In PCAWG, over 5,800 whole human genomes were aligned and variant called across 14 cloud and HPC environments; the processed data was then made available on the cloud for further analysis and sharing...
2017: F1000Research
https://www.readbyqxmd.com/read/28344721/examining-the-impact-of-early-longitudinal-patient-exposure-on-medical-students-career-choices
#13
Jason Kwok, Vincent Wu, Anthony Sanfilippo, Kathryn Bowes, Sheila Pinchin
BACKGROUND: Medical schools include career direction experiences to help students make informed career decisions. Most experiences are short, precluding students from attaining adequate exposure to long-term encounters within medicine. We investigated the impact of the First Patient Program (FPP), which fosters longitudinal patient exposure by pairing junior medical students with chronically ill patients through their healthcare journey, in instilling career direction. METHODS: Medical students who completed at least 6-months in the FPP participated in a cross-sectional survey...
February 2017: Canadian Medical Education Journal
https://www.readbyqxmd.com/read/28344697/learning-by-concordance-lbc-introducing-undergraduate-students-to-the-complexity-and-uncertainty-of-clinical-practice
#14
Nicolas Fernandez, Amélie Foucault, Serge Dubé, Diane Robert, Chantal Lafond, Anne-Marie Vincent, Jeannine Kassis, Driss Kazitani, Bernard Charlin
BACKGROUND: A current challenge in medical education is the steep exposure to the complexity and uncertainty of clinical practice in early clerkship. The gap between pre-clinical courses and the reality of clinical decision-making can be overwhelming for undergraduate students. The Learning-by-Concordance (LbC) approach aims to bridge this gap by embedding complexity and uncertainty by relying on real-life situations and exposure to expert reasoning processes to support learning. LbC provides three forms of support: 1) expert responses that students compare with their own, 2) expert explanations and 3) recognized scholars' key-messages...
October 2016: Canadian Medical Education Journal
https://www.readbyqxmd.com/read/28344635/the-combination-of-gas-phase-fluorophore-technology-and-automation-to-enable-high-throughput-analysis-of-plant-respiration
#15
Andrew P Scafaro, A Clarissa A Negrini, Brendan O'Leary, F Azzahra Ahmad Rashid, Lucy Hayes, Yuzhen Fan, You Zhang, Vincent Chochois, Murray R Badger, A Harvey Millar, Owen K Atkin
BACKGROUND: Mitochondrial respiration in the dark (Rdark) is a critical plant physiological process, and hence a reliable, efficient and high-throughput method of measuring variation in rates of Rdark is essential for agronomic and ecological studies. However, currently methods used to measure Rdark in plant tissues are typically low throughput. We assessed a high-throughput automated fluorophore system of detecting multiple O2 consumption rates. The fluorophore technique was compared with O2-electrodes, infrared gas analysers (IRGA), and membrane inlet mass spectrometry, to determine accuracy and speed of detecting respiratory fluxes...
2017: Plant Methods
https://www.readbyqxmd.com/read/28344559/cyclooxygenase-2-inhibition-limits-angiotensin-ii-induced-dna-oxidation-and-protein-nitration-in-humans
#16
Vincent Pialoux, Marc J Poulin, Brenda R Hemmelgarn, Daniel A Muruve, Erica N Chirico, Camille Faes, Darlene Y Sola, Sofia B Ahmed
Compared to other cyclooxygenase-2 inhibitors, celecoxib is associated with a lower cardiovascular risk, though the mechanism remains unclear. Angiotensin II is an important mediator of oxidative stress in the pathophysiology of vascular disease. Cyclooxygenase-2 may modify the effects of angiotensin II though this has never been studied in humans. The purpose of the study was to test the effects of selective cyclooxygenase-2 inhibition on plasma measures of oxidative stress, the vasoconstrictor endothelin-1, and nitric oxide metabolites, both at baseline and in respose to Angiotensin II challenge in healthy humans...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28343823/process-improvement-project-using-tranexamic-acid-is-cost-effective-in-reducing-blood-loss-and-transfusions-after-total-hip-and-total-knee-arthroplasty
#17
Harry A Demos, Zilan X Lin, William R Barfield, Sylvia H Wilson, Dawn C Robertson, Vincent D Pellegrini
BACKGROUND: Tranexamic acid (TXA) has been associated with decreased blood loss and transfusion after total hip arthroplasty (THA) and total knee arthroplasty (TKA). The purpose of this study was to examine both transfusion utilization and the economic impact of a Process Improvement Project implementing TXA for THA and TKA. METHODS: After standardization of TXA administration in THA and TKA patients, retrospective data were compared from 12 consecutive months before (group A, n = 336 procedures) and after (group B, n = 436 procedures) project initiation...
March 2, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28343762/clozapine-and-incidence-of-myocarditis-and-sudden-death-long-term-australian-experience
#18
Arshad A Khan, Asma Ashraf, David Baker, Mohammed S Al-Omary, Lindsay Savage, Avedis Ekmejian, Rajinder Singh Harjit Singh, Stephen Brienesse, Tazeen Majeed, Tracy Gordon, Vincent Drinkwater, Nicholas J Collins
BACKGROUND: Clozapine is the cornerstone of therapy for refractory schizophrenia; however, the potential for cardiotoxicity is an important limitation in its use. In the current analysis we sought to evaluate the long term cardiac outcomes of clozapine therapy. METHODS: All-cause mortality, incidence of sudden death and time to myocarditis were assessed in a cohort of patients maintained on clozapine between January 2009 and December 2015. All patients had regular electrocardiograms, complete blood count, clozapine levels and echocardiography as part of a formal protocol...
March 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28343411/3d-liver-surgery-simulation-computer-assisted-surgical-planning-with-3d-simulation-software-and-3d-printing
#19
Yukio Oshiro, Nobuhiro Ohkohchi
To perform accurate hepatectomy without injury, it is necessary to understand the anatomical relationship among the branches of Glisson's sheath, hepatic veins, and tumor. In Japan, three-dimensional (3D) preoperative simulation for liver surgery is becoming increasingly common, and liver 3D modeling and 3D hepatectomy simulation by 3D analysis software for liver surgery have been covered by universal healthcare insurance since 2012. Herein, we review the history of virtual hepatectomy using computer-aided surgery (CAS) and our research to date, and we discuss the future prospects of CAS...
March 27, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28343170/mirnas-single-nucleotide-polymorphisms-snps-and-age-related-macular-degeneration-amd
#20
John Paul SanGiovanni, Peter M SanGiovanni, Przemysław Sapieha, Vincent De Guire
Advanced age-related macular degeneration (AAMD) is a complex sight-threating disease of public health significance. Micro RNAs (miRNAs) have been proposed as biomarkers for AAMD. The presence of certain single nucleotide polymorphisms (SNPs) may influence the explanatory value of these biomarkers. Here we present findings from an integrated approach used to determine whether AAMD-associated SNPs have the capacity to influence miRNA-mRNA pairing and, if so, to what extent such pairing may be manifested in a discrete AAMD transcriptome...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
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