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Jeffrey Gordon

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https://www.readbyqxmd.com/read/28094682/development-implementation-and-assessment-of-a-concussion-education-programme-for-high-school-student-athletes
#1
Jeffrey G Caron, Scott Rathwell, J Scott Delaney, Karen M Johnston, Alain Ptito, Gordon A Bloom
Although experts have noted that adolescent athletes should be educated about concussions to improve their safety, there is no agreement on the most effective strategy to disseminate concussion education. The purpose of this study was to develop, implement and assess a concussion education programme. More precisely, four interactive oral presentations were delivered to high school student-athletes (N = 35, Mage = 15.94, SD = 0.34) in a large urban centre. Participants completed a questionnaire at three time-points during the season to measure changes in their knowledge (CK) and attitudes (CA) of concussions, and focus group interviews were conducted following the concussion education programme...
January 17, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28088603/hospital-readmissions-after-surgery-how-important-are-hospital-and-specialty-factors
#2
Robert H Hollis, Laura A Graham, Joshua S Richman, Melanie S Morris, Hillary J Mull, Tyler S Wahl, Edith Burns, Laurel A Copeland, Gordon L Telford, Amy K Rosen, Kamal F Itani, Jeffrey Whittle, Todd H Wagner, Mary T Hawn
BACKGROUND: Hospital readmission rates after surgery may represent an overall hospital effect or a combination of specialty and patient effects. We hypothesized that hospital readmission rates for procedures within specialties were more strongly correlated than rates across specialties within the same hospital. STUDY DESIGN: For general, orthopedic, and vascular specialties at Veterans Affairs hospitals during 2008-2014, 30-day risk-adjusted readmission rates were estimated for six high-volume procedures and each specialty...
January 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28071660/corrigendum-2016-acg-abstracts-clinical-vignettes-case-reports-esophagus
#3
Stuart R Gordon, Jeffrey Adler, Jason Ferreira, Zilla Hussain, Mikhail Lisovsky, Arief Suriawinata
No abstract text is available yet for this article.
January 10, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28053157/blockade-of-protease-activated-receptor-4-par4-provides-robust-antithrombotic-activity-with-low-bleeding
#4
Pancras C Wong, Dietmar Seiffert, J Eileen Bird, Carol A Watson, Jeffrey S Bostwick, Mary Giancarli, Nick Allegretto, Ji Hua, David Harden, Jocelyne Guay, Mario Callejo, Michael M Miller, R Michael Lawrence, Jacques Banville, Julia Guy, Brad D Maxwell, E Scott Priestley, Anne Marinier, Ruth R Wexler, Michel Bouvier, David A Gordon, William A Schumacher, Jing Yang
Antiplatelet agents are proven efficacious treatments for cardiovascular and cerebrovascular diseases. However, the existing drugs are compromised by unwanted and sometimes life-threatening bleeding that limits drug usage or dosage. There is a substantial unmet medical need for an antiplatelet drug with strong efficacy and low bleeding risk. Thrombin is a potent platelet agonist that directly induces platelet activation via the G protein (heterotrimeric guanine nucleotide-binding protein)-coupled protease-activated receptors PAR1 and PAR4...
January 4, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28041931/prior-dietary-practices-and-connections-to-a-human-gut-microbial-metacommunity-alter-responses-to-diet-interventions
#5
Nicholas W Griffin, Philip P Ahern, Jiye Cheng, Andrew C Heath, Olga Ilkayeva, Christopher B Newgard, Luigi Fontana, Jeffrey I Gordon
Ensuring that gut microbiota respond consistently to prescribed dietary interventions, irrespective of prior dietary practices (DPs), is critical for effective nutritional therapy. To address this, we identified DP-associated gut bacterial taxa in individuals either practicing chronic calorie restriction with adequate nutrition (CRON) or without dietary restrictions (AMER). When transplanted into gnotobiotic mice, AMER and CRON microbiota responded predictably to CRON and AMER diets but with variable response strengths...
January 11, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28034988/the-central-nervous-system-microenvironment-influences-the-leukemia-transcriptome-and-enhances-leukemia-chemo-resistance
#6
Jeffrey S Gaynes, Leslie M Jonart, Edward A Zamora, Jordan A Naumann, Nathan P Gossai, Peter M Gordon
No abstract text is available yet for this article.
December 29, 2016: Haematologica
https://www.readbyqxmd.com/read/28013106/cpx-351-exhibits-potent-and-direct-ex-vivo-cytotoxicity-against-aml-blasts-with-enhanced-efficacy-for-cells-harboring-the-flt3-itd-mutation
#7
Max J Gordon, Paul Tardi, Marc M Loriaux, Stephen E Spurgeon, Elie Traer, Tibor Kovacsovics, Lawrence D Mayer, Jeffrey W Tyner
PURPOSE: Identify AML patients most likely to respond to CPX-351, a nano-scale liposome formulation containing cytarabine and daunorubicin co-encapsulated at a 5:1 molar ratio. METHODS: We examined the ex vivo cytotoxic activity of CPX-351 against leukemic cells isolated from 53 AML patients and an additional 127 samples including acute lymphoblastic leukemia, myelodysplastic syndrome/myeloproliferative neoplasms, or chronic lymphocytic leukemia/lymphoma. We assessed activity with respect to common molecular lesions and used flow cytometry to assess CPX-351 cellular uptake...
December 12, 2016: Leukemia Research
https://www.readbyqxmd.com/read/28002849/penile-replantation-a-retrospective-analysis-of-outcomes-and-complications
#8
Shane D Morrison, Afaaf Shakir, Krishna S Vyas, Austin C Remington, Benjamin Mogni, Stelios C Wilson, David W Grant, Daniel Y Cho, Amir A Rahnemai-Azar, Gordon K Lee, Jeffrey B Friedrich, Samir Mardini
Purpose Penile replantation is an uncommonly performed procedure, which can alleviate physical and psychosocial sequelae of penile amputation. This study critically appraises the current literature on penile replantation. Methods A comprehensive literature search of the Medline, PubMed, and Google Scholar databases was conducted with multiple search terms related to penile replantation. Data on outcomes, complications, and patient satisfaction were collected. Results A total of 74 articles met inclusion criteria...
December 21, 2016: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/27911843/impact-of-the-gut-microbiota-on-enhancer-accessibility-in-gut-intraepithelial-lymphocytes
#9
Nicholas P Semenkovich, Joseph D Planer, Philip P Ahern, Nicholas W Griffin, Charles Y Lin, Jeffrey I Gordon
The gut microbiota impacts many aspects of host biology including immune function. One hypothesis is that microbial communities induce epigenetic changes with accompanying alterations in chromatin accessibility, providing a mechanism that allows a community to have sustained host effects even in the face of its structural or functional variation. We used Assay for Transposase-Accessible Chromatin with high-throughput sequencing (ATAC-seq) to define chromatin accessibility in predicted enhancer regions of intestinal αβ(+) and γδ(+) intraepithelial lymphocytes purified from germ-free mice, their conventionally raised (CONV-R) counterparts, and mice reared germ free and then colonized with CONV-R gut microbiota at the end of the suckling-weaning transition...
December 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27898800/greenhouse-gas-emissions-from-stored-dairy-slurry-from-multiple-farms
#10
Etienne L Le Riche, Andrew C VanderZaag, Jeffrey D Wood, Claudia Wagner-Riddle, Kari Dunfield, N Martin Ngwabie, John McCabe, Robert J Gordon
A significant need exists to improve our understanding of the extent of greenhouse gas emissions from the storage of livestock manure to both improve the reliability of inventory assessments and the impact of beneficial management practice adoption. Factors affecting the extent and variability of greenhouse gas emissions from stored dairy manure were investigated. Emissions from six slurries stored in clean concrete tanks under identical "warm-season" conditions were monitored consecutively over 173 d (18°C average air temperature)...
November 2016: Journal of Environmental Quality
https://www.readbyqxmd.com/read/27891647/a-roadmap-for-improving-the-representation-of-photosynthesis-in-earth-system-models
#11
Alistair Rogers, Belinda E Medlyn, Jeffrey S Dukes, Gordon Bonan, Susanne von Caemmerer, Michael C Dietze, Jens Kattge, Andrew D B Leakey, Lina M Mercado, Ülo Niinemets, I Colin Prentice, Shawn P Serbin, Stephen Sitch, Danielle A Way, Sönke Zaehle
Accurate representation of photosynthesis in terrestrial biosphere models (TBMs) is essential for robust projections of global change. However, current representations vary markedly between TBMs, contributing uncertainty to projections of global carbon fluxes. Here we compared the representation of photosynthesis in seven TBMs by examining leaf and canopy level responses of photosynthetic CO2 assimilation (A) to key environmental variables: light, temperature, CO2 concentration, vapor pressure deficit and soil water content...
January 2017: New Phytologist
https://www.readbyqxmd.com/read/27881825/effects-of-a-gut-pathobiont-in-a-gnotobiotic-mouse-model-of-childhood-undernutrition
#12
Vitas E Wagner, Neelendu Dey, Janaki Guruge, Ansel Hsiao, Philip P Ahern, Nicholas P Semenkovich, Laura V Blanton, Jiye Cheng, Nicholas Griffin, Thaddeus S Stappenbeck, Olga Ilkayeva, Christopher B Newgard, William Petri, Rashidul Haque, Tahmeed Ahmed, Jeffrey I Gordon
To model how interactions among enteropathogens and gut microbial community members contribute to undernutrition, we colonized gnotobiotic mice fed representative Bangladeshi diets with sequenced bacterial strains cultured from the fecal microbiota of two 24-month-old Bangladeshi children: one healthy and the other underweight. The undernourished donor's bacterial collection contained an enterotoxigenic Bacteroides fragilis strain (ETBF), whereas the healthy donor's bacterial collection contained two nontoxigenic strains of B...
November 23, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27833695/spermatic-cord-anesthesia-block-an-old-technique-re-imaged
#13
Jeffrey Gordon, Robert P Rifenburg
Spermatic cord anesthesia block (SCAB) is a useful technique for providing anesthesia to males with scrotal pain. This technique has been described and published in the urology and anesthesia literature for more than 40 years. Initially described as a blind injection, anesthesia of the spermatic cord provides pain control to the scrotal contents. The technique can easily be performed under ultrasound guidance by emergency physicians and should be considered a useful option when seeking to provide pain relief to male patients with scrotal pain...
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27792658/microbiota-dependent-metabolite-trimethylamine-n-oxide-and-coronary-artery-calcium-in-the-coronary-artery-risk-development-in-young-adults-study-cardia
#14
Katie A Meyer, Thomas Z Benton, Brian J Bennett, David R Jacobs, Donald M Lloyd-Jones, Myron D Gross, J Jeffrey Carr, Penny Gordon-Larsen, Steven H Zeisel
BACKGROUND: Clinical studies implicate trimethylamine N-oxide (TMAO; a gut microbiota-dependent nutrient metabolite) in cardiovascular disease risk. There is a lack of population-based data on the role of TMAO in advancing early atherosclerotic disease. We tested the prospective associations between TMAO and coronary artery calcium (CAC) and carotid intima-media thickness (cIMT). METHODS AND RESULTS: Data were from the Coronary Artery Risk Development in Young Adults Study (CARDIA), a biracial cohort of US adults recruited in 1985-1986 (n=5115)...
October 21, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27776519/novel-algorithmic-approach-predicts-tumor-mutation-load-and-correlates-with-immunotherapy-clinical-outcomes-using-a-defined-gene-mutation-set
#15
Jason Roszik, Lauren E Haydu, Kenneth R Hess, Junna Oba, Aron Y Joon, Alan E Siroy, Tatiana V Karpinets, Francesco C Stingo, Veera Baladandayuthapani, Michael T Tetzlaff, Jennifer A Wargo, Ken Chen, Marie-Andrée Forget, Cara L Haymaker, Jie Qing Chen, Funda Meric-Bernstam, Agda K Eterovic, Kenna R Shaw, Gordon B Mills, Jeffrey E Gershenwald, Laszlo G Radvanyi, Patrick Hwu, P Andrew Futreal, Don L Gibbons, Alexander J Lazar, Chantale Bernatchez, Michael A Davies, Scott E Woodman
BACKGROUND: While clinical outcomes following immunotherapy have shown an association with tumor mutation load using whole exome sequencing (WES), its clinical applicability is currently limited by cost and bioinformatics requirements. METHODS: We developed a method to accurately derive the predicted total mutation load (PTML) within individual tumors from a small set of genes that can be used in clinical next generation sequencing (NGS) panels. PTML was derived from the actual total mutation load (ATML) of 575 distinct melanoma and lung cancer samples and validated using independent melanoma (n = 312) and lung cancer (n = 217) cohorts...
October 25, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27749110/reactions-and-receptivity-to-framing-hiv-prevention-message-concepts-about-pre-exposure-prophylaxis-for-black-and-latino-men-who-have-sex-with-men-in-three-urban-us-cities
#16
Matthew J Mimiaga, Elizabeth F Closson, Shanice Battle, Jeffrey H Herbst, Damian Denson, Nicole Pitts, Jeremy Holman, Stewart Landers, Gordon Mansergh
Men who have sex with men (MSM) of color are disproportionately affected by HIV in the United States. Pre-exposure prophylaxis (PrEP) using antiretroviral medications is a newer biomedical prevention modality with established efficacy for reducing the risk of acquiring HIV. We conducted formative qualitative research to explore audience reactions and receptivity to message concepts on PrEP as part of the development of prevention messages to promote PrEP awareness among black and Latino MSM in the United States...
October 2016: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/27732721/clinical-practice-guidelines-from-the-aabb-red-blood-cell-transfusion-thresholds-and-storage
#17
Jeffrey L Carson, Gordon Guyatt, Nancy M Heddle, Brenda J Grossman, Claudia S Cohn, Mark K Fung, Terry Gernsheimer, John B Holcomb, Lewis J Kaplan, Louis M Katz, Nikki Peterson, Glenn Ramsey, Sunil V Rao, John D Roback, Aryeh Shander, Aaron A R Tobian
Importance: More than 100 million units of blood are collected worldwide each year, yet the indication for red blood cell (RBC) transfusion and the optimal length of RBC storage prior to transfusion are uncertain. Objective: To provide recommendations for the target hemoglobin level for RBC transfusion among hospitalized adult patients who are hemodynamically stable and the length of time RBCs should be stored prior to transfusion. Evidence Review: Reference librarians conducted a literature search for randomized clinical trials (RCTs) evaluating hemoglobin thresholds for RBC transfusion (1950-May 2016) and RBC storage duration (1948-May 2016) without language restrictions...
November 15, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27725679/imaging-biomarker-roadmap-for-cancer-studies
#18
James P B O'Connor, Eric O Aboagye, Judith E Adams, Hugo J W L Aerts, Sally F Barrington, Ambros J Beer, Ronald Boellaard, Sarah E Bohndiek, Michael Brady, Gina Brown, David L Buckley, Thomas L Chenevert, Laurence P Clarke, Sandra Collette, Gary J Cook, Nandita M deSouza, John C Dickson, Caroline Dive, Jeffrey L Evelhoch, Corinne Faivre-Finn, Ferdia A Gallagher, Fiona J Gilbert, Robert J Gillies, Vicky Goh, John R Griffiths, Ashley M Groves, Steve Halligan, Adrian L Harris, David J Hawkes, Otto S Hoekstra, Erich P Huang, Brian F Hutton, Edward F Jackson, Gordon C Jayson, Andrew Jones, Dow-Mu Koh, Denis Lacombe, Philippe Lambin, Nathalie Lassau, Martin O Leach, Ting-Yim Lee, Edward L Leen, Jason S Lewis, Yan Liu, Mark F Lythgoe, Prakash Manoharan, Ross J Maxwell, Kenneth A Miles, Bruno Morgan, Steve Morris, Tony Ng, Anwar R Padhani, Geoff J M Parker, Mike Partridge, Arvind P Pathak, Andrew C Peet, Shonit Punwani, Andrew R Reynolds, Simon P Robinson, Lalitha K Shankar, Ricky A Sharma, Dmitry Soloviev, Sigrid Stroobants, Daniel C Sullivan, Stuart A Taylor, Paul S Tofts, Gillian M Tozer, Marcel van Herk, Simon Walker-Samuel, James Wason, Kaye J Williams, Paul Workman, Thomas E Yankeelov, Kevin M Brindle, Lisa M McShane, Alan Jackson, John C Waterton
Imaging biomarkers (IBs) are integral to the routine management of patients with cancer. IBs used daily in oncology include clinical TNM stage, objective response and left ventricular ejection fraction. Other CT, MRI, PET and ultrasonography biomarkers are used extensively in cancer research and drug development. New IBs need to be established either as useful tools for testing research hypotheses in clinical trials and research studies, or as clinical decision-making tools for use in healthcare, by crossing 'translational gaps' through validation and qualification...
October 11, 2016: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/27721238/dendritic-cells-maintain-dermal-adipose-derived-stromal-cells-in-skin-fibrosis
#19
Jennifer J Chia, Tong Zhu, Susan Chyou, Dragos C Dasoveanu, Camila Carballo, Sha Tian, Cynthia M Magro, Scott Rodeo, Robert F Spiera, Nancy H Ruddle, Timothy E McGraw, Jeffrey L Browning, Robert Lafyatis, Jessica K Gordon, Theresa T Lu
Scleroderma is a group of skin-fibrosing diseases for which there are no effective treatments. A feature of the skin fibrosis typical of scleroderma is atrophy of the dermal white adipose tissue (DWAT). Adipose tissue contains adipose-derived mesenchymal stromal cells (ADSCs) that have regenerative and reparative functions; however, whether DWAT atrophy in fibrosis is accompanied by ADSC loss is poorly understood, as are the mechanisms that might maintain ADSC survival in fibrotic skin. Here, we have shown that DWAT ADSC numbers were reduced, likely because of cell death, in 2 murine models of scleroderma skin fibrosis...
November 1, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27696430/using-diurnal-temperature-signals-to-infer-vertical-groundwater-surface-water-exchange
#20
Dylan J Irvine, Martin A Briggs, Laura K Lautz, Ryan P Gordon, Jeffrey M McKenzie, Ian Cartwright
Heat is a powerful tracer to quantify fluid exchange between surface water and groundwater. Temperature time series can be used to estimate pore water fluid flux, and techniques can be employed to extend these estimates to produce detailed plan-view flux maps. Key advantages of heat tracing include cost-effective sensors and ease of data collection and interpretation, without the need for expensive and time-consuming laboratory analyses or induced tracers. While the collection of temperature data in saturated sediments is relatively straightforward, several factors influence the reliability of flux estimates that are based on time series analysis (diurnal signals) of recorded temperatures...
October 3, 2016: Ground Water
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