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Mary Leonard

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https://www.readbyqxmd.com/read/28629112/european-demonstration-program-on-the-effect-based-and-chemical-identification-and-monitoring-of-organic-pollutants-in-european-surface-waters
#1
Zuzana Tousova, Peter Oswald, Jaroslav Slobodnik, Ludek Blaha, Melis Muz, Meng Hu, Werner Brack, Martin Krauss, Carolina Di Paolo, Zsolt Tarcai, Thomas-Benjamin Seiler, Henner Hollert, Sanja Koprivica, Marijan Ahel, Jennifer E Schollée, Juliane Hollender, Marc J-F Suter, Anita O Hidasi, Kristin Schirmer, Manoj Sonavane, Selim Ait-Aissa, Nicolas Creusot, Francois Brion, Jean Froment, Ana Catarina Almeida, Kevin Thomas, Knut Erik Tollefsen, Sara Tufi, Xiyu Ouyang, Pim Leonards, Marja Lamoree, Victoria Osorio Torrens, Annemieke Kolkman, Merijn Schriks, Petra Spirhanzlova, Andrew Tindall, Tobias Schulze
Growing concern about the adverse environmental and human health effects of a wide range of micropollutants requires the development of novel tools and approaches to enable holistic monitoring of their occurrence, fate and effects in the aquatic environment. A European-wide demonstration program (EDP) for effect-based monitoring of micropollutants in surface waters was carried out within the Marie Curie Initial Training Network EDA-EMERGE. The main objectives of the EDP were to apply a simplified protocol for effect-directed analysis, to link biological effects to target compounds and to estimate their risk to aquatic biota...
June 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28628244/phosphorylated-neurofilament-heavy-chain-a-biomarker-of-survival-for-c9orf72-associated-amyotrophic-lateral-sclerosis
#2
Tania F Gendron, Lillian M Daughrity, Michael G Heckman, Nancy N Diehl, Joanne Wuu, Timothy M Miller, Pau Pastor, John Q Trojanowski, Murray Grossman, James D Berry, William T Hu, Antonia Ratti, Michael Benatar, Vincenzo Silani, Jonathan D Glass, Mary Kay Floeter, Andreas Jeromin, Kevin B Boylan, Leonard Petrucelli
As potential treatments for C9ORF72-associated amyotrophic lateral sclerosis (c9ALS) approach clinical trials, the identification of prognostic biomarkers for c9ALS becomes a priority. We show that levels of phosphorylated neurofilament heavy chain (pNFH) in cerebrospinal fluid (CSF) predict disease status and survival in c9ALS patients, and are largely stable over time. Moreover, c9ALS patients exhibit higher pNFH levels, more rapid disease progression, and shorter survival after disease onset than ALS patients without C9ORF72 expansions...
June 19, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28617583/tof-sims-depth-profiling-of-ps-b-pmma-block-copolymers-using-arn-c60-and-cs-sputtering-ions
#3
T Terlier, G Zappalà, C Marie, D Leonard, J-P Barnes, A Licciardello
Time-of-flight secondary ion mass spectrometry (ToF-SIMS) is a high performance tool for molecular depth profiling of polymer films, in particular when they are structured in microphases. However, a major issue is the degradation of polymer materials under ion irradiation in reactions such as cross-linking, chain breaking, or reorganization processes of polymers which have been demonstrated for materials such as polystyrene (PS) and poly(methyl methacrylate) (PMMA). This work aims at comparing ToF-SIMS molecular depth profiling of structured polymers (polystyrene (PS)-b-polymethyl methacrylate (PMMA) block copolymers (BCP)) using either ultralow energy cesium or the more recently introduced C60(++) (under NO dosing and with sample cooling) and argon cluster ion beams (using Ar1500(+) ions at 5 keV)...
June 15, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28611529/non-invasive-stimulation-techniques-to-relieve-abdominal-pelvic-pain-is-more-always-better
#4
COMMENT
Marie-Philippe Harvey, Alain Watier, Émilie Dufort Rouleau, Guillaume Léonard
Chronic abdominal and pelvic pain is a common condition that has significant impact on quality of life, and causes billions of dollars in direct and indirect costs. Emerging data suggest that transcranial direct current stimulation (tDCS), alone or in combination with transcutaneous electrical nerve stimulation (TENS), could be a promising therapeutic avenue to reduce chronic pain. The encouraging results coming from these studies prompted us to try combining TENS and tDCS in 4 of our patients who suffered from chronic abdominal/pelvic pain and to compare the effect with 5 other patients who received TENS alone...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28609654/intertumoral-heterogeneity-within-medulloblastoma-subgroups
#5
Florence M G Cavalli, Marc Remke, Ladislav Rampasek, John Peacock, David J H Shih, Betty Luu, Livia Garzia, Jonathon Torchia, Carolina Nor, A Sorana Morrissy, Sameer Agnihotri, Yuan Yao Thompson, Claudia M Kuzan-Fischer, Hamza Farooq, Keren Isaev, Craig Daniels, Byung-Kyu Cho, Seung-Ki Kim, Kyu-Chang Wang, Ji Yeoun Lee, Wieslawa A Grajkowska, Marta Perek-Polnik, Alexandre Vasiljevic, Cecile Faure-Conter, Anne Jouvet, Caterina Giannini, Amulya A Nageswara Rao, Kay Ka Wai Li, Ho-Keung Ng, Charles G Eberhart, Ian F Pollack, Ronald L Hamilton, G Yancey Gillespie, James M Olson, Sarah Leary, William A Weiss, Boleslaw Lach, Lola B Chambless, Reid C Thompson, Michael K Cooper, Rajeev Vibhakar, Peter Hauser, Marie-Lise C van Veelen, Johan M Kros, Pim J French, Young Shin Ra, Toshihiro Kumabe, Enrique López-Aguilar, Karel Zitterbart, Jaroslav Sterba, Gaetano Finocchiaro, Maura Massimino, Erwin G Van Meir, Satoru Osuka, Tomoko Shofuda, Almos Klekner, Massimo Zollo, Jeffrey R Leonard, Joshua B Rubin, Nada Jabado, Steffen Albrecht, Jaume Mora, Timothy E Van Meter, Shin Jung, Andrew S Moore, Andrew R Hallahan, Jennifer A Chan, Daniela P C Tirapelli, Carlos G Carlotti, Maryam Fouladi, José Pimentel, Claudia C Faria, Ali G Saad, Luca Massimi, Linda M Liau, Helen Wheeler, Hideo Nakamura, Samer K Elbabaa, Mario Perezpeña-Diazconti, Fernando Chico Ponce de León, Shenandoah Robinson, Michal Zapotocky, Alvaro Lassaletta, Annie Huang, Cynthia E Hawkins, Uri Tabori, Eric Bouffet, Ute Bartels, Peter B Dirks, James T Rutka, Gary D Bader, Jüri Reimand, Anna Goldenberg, Vijay Ramaswamy, Michael D Taylor
While molecular subgrouping has revolutionized medulloblastoma classification, the extent of heterogeneity within subgroups is unknown. Similarity network fusion (SNF) applied to genome-wide DNA methylation and gene expression data across 763 primary samples identifies very homogeneous clusters of patients, supporting the presence of medulloblastoma subtypes. After integration of somatic copy-number alterations, and clinical features specific to each cluster, we identify 12 different subtypes of medulloblastoma...
June 12, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28604512/changes-in-hepcidin-and-hemoglobin-after-anti-tnf-alpha-therapy-in-children-and-adolescents-with-crohn-s-disease
#6
Meredith A Atkinson, Mary B Leonard, Rita Herskovitz, Robert N Baldassano, Michelle R Denburg
BACKGROUND: Anemia is the most common systemic complication of inflammatory bowel disease, is more common in affected children than adults, and is mediated in large part by chronic inflammation. Inflammation increases levels of the iron-regulatory protein hepcidin, which have been elevated in adults with Crohn's disease. METHODS: We measured serum hepcidin-25 and hemoglobin (Hgb) in 40 children and adolescents with Crohn's disease at baseline and 10 weeks after initiation of anti-TNF-α therapy...
June 9, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28595831/-charcot-marie-tooth-disease-associated-with-hip-dysplasia-in-an-adolescent
#7
T Langlais, J-C Leonard, C Ursu, C Morin
Charcot-Marie-Tooth disease (CMT) is classified into hereditary motor and sensory neuropathy and can induce severe neuro-orthopaedics deformities, disabling at an early age. Hip dysplasia is present in 6% of CMT patients affecting preferentially CMT1 patients and can appear from the age of 8 years. The pathophysiological is paradoxical because we are confronted with proximal osteoarthritis deformations but genetics research brings use new trail. The main functional complaint is a hip joint pain during walking...
June 5, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28573188/a-hyper-crosslinked-carbohydrate-polymer-scaffold-facilitates-lineage-commitment-and-maintains-a-reserve-pool-of-proliferating-cardiovascular-progenitors
#8
Jonathan M Baio, Ryan C Walden, Tania I Fuentes, Charles C Lee, Nahidh W Hasaniya, Leonard L Bailey, Mary K Kearns-Jonker
BACKGROUND: Cardiovascular progenitor cells (CPCs) have been cultured on various scaffolds to resolve the challenge of cell retention after transplantation and to improve functional outcome after cell-based cardiac therapy. Previous studies have reported successful culture of fully differentiated cardiomyocytes on scaffolds of various types, and ongoing efforts are focused on optimizing the mix of cardiomyocytes and endothelial cells as well as on the identification of a source of progenitors capable of reversing cardiovascular damage...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28557665/contribution-of-physiologists-to-the-identification-of-the-humoral-component-of-immunity-in-the-19-th-century
#9
Yves-Marie Lahaie, Hervé Watier
The history of antimicrobial humoral immunity usually focuses on the works of the German school at the end of the 19(th) century, born in the tradition of chemistry and disinfection. Starting from an old quarrel of priority about serotherapy between Emil von Behring (1854-1917) and the French physiologists Charles Richet (1850-1935) and Jules Héricourt (1850-1938), we first confirm that the latter stated the principle of serotherapy in 1888 and put it into practice before the seminal Behring's article in 1890, observing several adverse effects of this new immunotherapy...
May 30, 2017: MAbs
https://www.readbyqxmd.com/read/28542319/shared-and-differentiated-motor-skill-impairments-in-children-with-dyslexia-and-or-attention-deficit-disorder-from-simple-to-complex-sequential-coordination
#10
Marie-Ève Marchand-Krynski, Olivier Morin-Moncet, Anne-Marie Bélanger, Miriam H Beauchamp, Gabriel Leonard
Dyslexia and Attention deficit disorder (AD) are prevalent neurodevelopmental conditions in children and adolescents. They have high comorbidity rates and have both been associated with motor difficulties. Little is known, however, about what is shared or differentiated in dyslexia and AD in terms of motor abilities. Even when motor skill problems are identified, few studies have used the same measurement tools, resulting in inconstant findings. The present study assessed increasingly complex gross motor skills in children and adolescents with dyslexia, AD, and with both Dyslexia and AD...
2017: PloS One
https://www.readbyqxmd.com/read/28508101/in-depth-clinico-pathological-examination-of-rna-foci-in-a-large-cohort-of-c9orf72-expansion-carriers
#11
Mariely DeJesus-Hernandez, NiCole A Finch, Xue Wang, Tania F Gendron, Kevin F Bieniek, Michael G Heckman, Aliaksei Vasilevich, Melissa E Murray, Linda Rousseau, Rachael Weesner, Anthony Lucido, Meeia Parsons, Jeannie Chew, Keith A Josephs, Joseph E Parisi, David S Knopman, Ronald C Petersen, Bradley F Boeve, Neill R Graff-Radford, Jan de Boer, Yan W Asmann, Leonard Petrucelli, Kevin B Boylan, Dennis W Dickson, Marka van Blitterswijk, Rosa Rademakers
A growing body of evidence suggests that a loss of chromosome 9 open reading frame 72 (C9ORF72) expression, formation of dipeptide-repeat proteins, and generation of RNA foci contribute to disease pathogenesis in amyotrophic lateral sclerosis and frontotemporal dementia. Although the levels of C9ORF72 transcripts and dipeptide-repeat proteins have already been examined thoroughly, much remains unknown about the role of RNA foci in C9ORF72-linked diseases. As such, we performed a comprehensive RNA foci study in an extensive pathological cohort of C9ORF72 expansion carriers (n = 63)...
May 15, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28495562/nucleoside-reverse-transcriptase-inhibitor-cross-resistance-and-outcomes-from-second-line-antiretroviral-therapy-in-the-public-health-approach-an-observational-analysis-within-the-randomised-open-label-earnest-trial
#12
Nicholas I Paton, Cissy Kityo, Jennifer Thompson, Immaculate Nankya, Leonard Bagenda, Anne Hoppe, James Hakim, Andrew Kambugu, Joep J van Oosterhout, Mary Kiconco, Silvia Bertagnolio, Philippa J Easterbrook, Peter Mugyenyi, A Sarah Walker
BACKGROUND: Cross-resistance after first-line antiretroviral therapy (ART) failure is expected to impair activity of nucleoside reverse-transcriptase inhibitors (NRTIs) in second-line therapy for patients with HIV, but evidence for the effect of cross-resistance on virological outcomes is limited. We aimed to assess the association between the activity, predicted by resistance testing, of the NRTIs used in second-line therapy and treatment outcomes for patients infected with HIV. METHODS: We did an observational analysis of additional data from a published open-label, randomised trial of second-line ART (EARNEST) in sub-Saharan Africa...
May 8, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28483930/comparison-of-four-fitbit-and-jawbone-activity-monitors-with-a-research-grade-actigraph-accelerometer-for-estimating-physical-activity-and-energy-expenditure
#13
Mary T Imboden, Michael B Nelson, Leonard A Kaminsky, Alexander Hk Montoye
BACKGROUND/AIM: Consumer-based physical activity (PA) monitors have become popular tools to track PA behaviours. Currently, little is known about the validity of the measurements provided by consumer monitors. We aimed to compare measures of steps, energy expenditure (EE) and active minutes of four consumer monitors with one research-grade accelerometer within a semistructured protocol. METHODS: Thirty men and women (18-80 years old) wore Fitbit One (worn at the waist), Fitbit Zip (waist), Fitbit Flex (wrist), Jawbone UP24 (wrist) and one waist-worn research-grade accelerometer (ActiGraph) while participating in an 80 min protocol...
May 8, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28467829/whole-genome-landscapes-of-major-melanoma-subtypes
#14
Nicholas K Hayward, James S Wilmott, Nicola Waddell, Peter A Johansson, Matthew A Field, Katia Nones, Ann-Marie Patch, Hojabr Kakavand, Ludmil B Alexandrov, Hazel Burke, Valerie Jakrot, Stephen Kazakoff, Oliver Holmes, Conrad Leonard, Radhakrishnan Sabarinathan, Loris Mularoni, Scott Wood, Qinying Xu, Nick Waddell, Varsha Tembe, Gulietta M Pupo, Ricardo De Paoli-Iseppi, Ricardo E Vilain, Ping Shang, Loretta M S Lau, Rebecca A Dagg, Sarah-Jane Schramm, Antonia Pritchard, Ken Dutton-Regester, Felicity Newell, Anna Fitzgerald, Catherine A Shang, Sean M Grimmond, Hilda A Pickett, Jean Y Yang, Jonathan R Stretch, Andreas Behren, Richard F Kefford, Peter Hersey, Georgina V Long, Jonathan Cebon, Mark Shackleton, Andrew J Spillane, Robyn P M Saw, Núria López-Bigas, John V Pearson, John F Thompson, Richard A Scolyer, Graham J Mann
Melanoma of the skin is a common cancer only in Europeans, whereas it arises in internal body surfaces (mucosal sites) and on the hands and feet (acral sites) in people throughout the world. Here we report analysis of whole-genome sequences from cutaneous, acral and mucosal subtypes of melanoma. The heavily mutated landscape of coding and non-coding mutations in cutaneous melanoma resolved novel signatures of mutagenesis attributable to ultraviolet radiation. However, acral and mucosal melanomas were dominated by structural changes and mutation signatures of unknown aetiology, not previously identified in melanoma...
May 11, 2017: Nature
https://www.readbyqxmd.com/read/28454591/lost-in-translation-returning-germline-genetic-results-in-genome-scale-cancer-research
#15
Amber L Johns, Skye H McKay, Jeremy L Humphris, Mark Pinese, Lorraine A Chantrill, R Scott Mead, Katherine Tucker, Lesley Andrews, Annabel Goodwin, Conrad Leonard, Hilda A High, Katia Nones, Ann-Marie Patch, Neil D Merrett, Nick Pavlakis, Karin S Kassahn, Jaswinder S Samra, David K Miller, David K Chang, Marina Pajic, John V Pearson, Sean M Grimmond, Nicola Waddell, Nikolajs Zeps, Anthony J Gill, Andrew V Biankin
BACKGROUND: The return of research results (RoR) remains a complex and well-debated issue. Despite the debate, actual data related to the experience of giving individual results back, and the impact these results may have on clinical care and health outcomes, is sorely lacking. Through the work of the Australian Pancreatic Cancer Genome Initiative (APGI) we: (1) delineate the pathway back to the patient where actionable research data were identified; and (2) report the clinical utilisation of individual results returned...
April 28, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28452229/book-reviewreviews
#16
Ágnes Zsila
Leonard Reinecke and Mary Beth Oliver (Eds.) The Routledge Handbook of Media Use and Well-Being Routledge, New York, NY, 2017, 465 pp. ISBN: 978-1-138-88658-2.
April 28, 2017: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/28426779/reference-standards-for-lean-mass-measures-using-ge-dual-energy-x-ray-absorptiometry-in-caucasian-adults
#17
Mary T Imboden, Ann M Swartz, Holmes W Finch, Matthew P Harber, Leonard A Kaminsky
OBJECTIVE: To develop reference values by age and sex for LM measures using GE-Healthcare DXA systems. METHODS: A de-identified sample was obtained from Ball State University's Clinical Exercise Physiology Laboratory and University of Wisconsin-Milwaukee's Physical Activity & Health Research Laboratory. DXA scans of 2,076 women and 1,251 men were completed using a GE Lunar Prodigy or iDXA. Percentiles (%ile) were calculated for all variables of interest (LM, LMI, %LM, and ALMI) and a factorial ANOVA was used to assess differences for each variable between 10-year age groups and sex, as well as the interaction between age and sex...
2017: PloS One
https://www.readbyqxmd.com/read/28411774/nail-removal-in-pachyonychia-congenita-patient-reported-survey-outcomes
#18
Cynthia Marie Carver DeKlotz, Mary E Schwartz, Leonard M Milstone
No abstract text is available yet for this article.
May 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28399928/australian-children-living-with-rare-diseases-experiences-of-diagnosis-and-perceived-consequences-of-diagnostic-delays
#19
Yvonne Zurynski, Marie Deverell, Troy Dalkeith, Sandra Johnson, John Christodoulou, Helen Leonard, Elizabeth J Elliott
BACKGROUND: Children and families living with rare disease often experience significant health, psychosocial, economic burdens and diagnostic delays. Experiences appear to be constant, regardless of the specific rare disease diagnosis. Systematically collected Australian data to support policy response on rare diseases are scarce. We address this gap by providing survey results about 462 children aged <19 years living with approximately 200 different rare diseases. RESULTS: Of 462 children, 96% were born in Australia, 55% were male, median age was 8...
April 11, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28388669/reference-standards-for-body-fat-measures-using-ge-dual-energy-x-ray-absorptiometry-in-caucasian-adults
#20
Mary T Imboden, Whitney A Welch, Ann M Swartz, Alexander H K Montoye, Holmes W Finch, Matthew P Harber, Leonard A Kaminsky
BACKGROUND: Dual energy x-ray absorptiometry (DXA) is an established technique for the measurement of body composition. Reference values for these variables, particularly those related to fat mass, are necessary for interpretation and accurate classification of those at risk for obesity-related health complications and in need of lifestyle modifications (diet, physical activity, etc.). Currently, there are no reference values available for GE-Healthcare DXA systems and it is known that whole-body and regional fat mass measures differ by DXA manufacturer...
2017: PloS One
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